!function(e, t) {
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}(this, function(le) {
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        exitPointerLock: function() {
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        exitFullscreen: function() {
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        },
        details: function() {
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                name: e[1],
                version: parseInt(e[2]),
                platform: navigator.platform
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        },
        is: function(e) {
            return this.details() && this.details().name === e
        },
        inIframe: function() {
            return window.parent !== window
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        aspectRatio: function(e) {
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        },
        userAgent: function() {
            return window.navigator.userAgent
        },
        isMobile: function() {
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        isSmallScreen: function() {
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        },
        detectIE: function() {
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        detectSafari: function() {
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        detectAndroid: function() {
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        },
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        },
        androidVersion: function() {
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        },
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        urlIsHasHash: function(e) {
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        },
        islongPhone: function() {
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        },
        detectWeixin: function() {
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        },
        detectWeixinMiniProgram: function() {
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        },
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        detectApp: function() {
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        },
        isTabHidden: function() {
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                if (e[t] + "Hidden"in document)
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                },
                transition: {
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                    showSkybox: !1,
                    pointUsePanoTex: !1
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                canLeavePano: !0
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                    showSkybox: !0,
                    pointUsePanoTex: !1
                },
                transition: {
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                canLeavePano: !1
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                    pointUsePanoTex: !1
                },
                transition: {
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                    showSkybox: !0,
                    pointUsePanoTex: !0
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                canLeavePano: !0
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                    showSkybox: !1,
                    pointUsePanoTex: !0
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                transition: {
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                    showSkybox: !0,
                    pointUsePanoTex: !0
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                canLeavePano: !1
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        urls: {
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            prefix4: "https://uat-laser.4dkankan.com/"
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            flytimeDistanceMultiplier: 150,
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            flyIn: 1e3,
            flyOut: 1e3
        },
        moveSpeedAdujust: .5,
        view: {
            fov: 70,
            near: .1,
            far: 1e4
        },
        map: {
            mapHeight: -1e3,
            cameraHeight: 1e3
        },
        pointDensity: {
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                maxLevelPercent: 1,
                pointBudget: 8e6
            },
            panorama: {
                maxLevelPercent: .6,
                pointBudget: A.isMobile() ? 1e5 : 4e5
            },
            fourViewports: {
                maxLevelPercent: .4,
                pointBudget: 1e6
            },
            fourViewportsMain: {
                maxLevelPercent: .8,
                pointBudget: 1e6
            },
            panoEdit: {
                maxLevelPercent: 1,
                pointBudget: 1e6
            },
            low: {
                maxLevelPercent: .4,
                percentByUser: !0,
                pointBudget: 1e6
            },
            middle: {
                maxLevelPercent: .7,
                percentByUser: !0,
                pointBudget: A.isMobile() ? 4e6 : 2e6
            },
            high: {
                maxLevelPercent: 1,
                percentByUser: !0,
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            }
        },
        clip: {
            color: "#FFC266"
        },
        panoFieldRadius: 10,
        measure: {
            color: "#00C8AF",
            default: {
                color: "#64C8BB",
                opacity: .7
            },
            highlight: {
                color: "#00C8AF",
                opacity: 1
            },
            guide: {
                color: "#FFFFFF",
                opacity: 1
            },
            backColor: "#333333",
            lineWidth: 4,
            textColor: "#FFFFFF"
        },
        material: {
            pointSize: .1,
            realPointSize: .1,
            minSize: .1,
            maxSize: 1e4,
            pointSizeType: "ATTENUATED",
            absolutePanoramaSize: 1.3,
            pointColor: "#ffffff"
        },
        renderLayers: {
            bg: 20,
            bg2: 21,
            skybox: 1,
            pointcloud: 11,
            sceneObjects: 0,
            model: 2,
            measure: 4,
            magnifier: 5,
            magnifierContent: 16,
            volume: 6,
            transformationTool: 7,
            map: 8,
            mapObjects: 9,
            bothMapAndScene: 3,
            siteModeOnlyMapVisi: 12,
            siteModelMapUnvisi: 13,
            siteModeSideVisi: 14
        },
        siteModel: {
            names: {
                building: "建筑",
                floor: "楼层",
                room: "房间"
            },
            floorHeightDefault: 5
        },
        panosEdit: {},
        tiling: {
            panoPreRenderRepeatDelay: 2500,
            panoPreRenderDelay: 500,
            preRenderTourPanos: A.valueFromHash("tileprerender", 0),
            tilingFlagNames: ["usetiles", "tiles"],
            maxNavPanoQuality: A.valueFromHash("maxtileq", null),
            maxZoomPanoQuality: A.valueFromHash("maxztileq", null),
            overlayStyle: A.valueFromHash("tileoverlay", 0),
            uploadIntervalDelay: A.valueFromHash("tileupdelay", 10),
            initialIntervalDelay: A.valueFromHash("itiledelay", 0),
            maxNonBaseUploadsPerFrame: A.valueFromHash("maxnbtpf", 2),
            maxBaseUploadsPerFrame: A.valueFromHash("maxbtpf", 6),
            customCompression: A.valueFromHash("tilecustcomp", 0),
            mobileHighQualityOverride: !1,
            allowUltraHighResolution: !0
        },
        navigation: {
            panoScores: !1,
            mouseDirection: !0,
            filterStrictness: .75,
            angleFactor: -30,
            directionFactor: 10,
            distanceFactor: -1,
            optionalityFactor: 3
        },
        axis: {
            x: {
                color: "#d0021b"
            },
            y: {
                color: "#86c542"
            },
            z: {
                color: "#3399c8"
            }
        },
        highQualityMaxZoom: 2,
        ultraHighQualityMaxZoom: 3,
        clickMaxDragDis: 5,
        clickMaxPressTime: 500,
        doubleClickTime: 200,
        background: "#232323",
        mapBG: "#F5F5F5",
        colors: {
            red: [213, 0, 0],
            pink: [197, 17, 98],
            purple: [170, 0, 255],
            "deep purple": [98, 0, 234],
            blue: [41, 98, 255],
            "light blue": [0, 145, 234],
            cyan: [0, 184, 212],
            teal: [0, 191, 165],
            green: [0, 200, 83],
            "light green": [100, 221, 23],
            lime: [174, 234, 0],
            yellow: [255, 214, 0],
            amber: [255, 171, 0],
            orange: [255, 109, 0],
            "deep orange": [255, 61, 0]
        }
    };
    T.OrthoCameraLimit = {
        standard: {
            zoom: {
                min: .001,
                max: 500
            },
            posBound: {
                min: {
                    x: -1e5,
                    y: -1e5,
                    z: T.map.cameraHeight
                },
                max: {
                    x: 1e5,
                    y: 1e5,
                    z: 1 / 0
                }
            }
        },
        expand: {
            zoom: {
                min: 4e-4,
                max: 100
            },
            posBound: {
                min: {
                    x: -5e6,
                    y: -1e6,
                    z: T.map.cameraHeight
                },
                max: {
                    x: 5e6,
                    y: 1e6,
                    z: 1 / 0
                }
            }
        }
    };
    var S = {
        editType: "",
        number: "",
        originDatasetId: "",
        isOfficial: !(window.testLevelSteps = function(e) {
            var t;
            e || (e = [(t = Potree.config.pointDensity).low.maxLevelPercent, t.middle.maxLevelPercent, t.high.maxLevelPercent]);
            for (var n = 1; ++n <= 12; ) {
                var i = e.map(function(e) {
                    return e * n
                })
                  , r = e.map(function(e) {
                    return Math.round(e * n)
                });
                console.log("当nodeMaxLevel为".concat(n, "时，每一级的level分别为").concat(r, ", (小数：").concat(i, ")"))
            }
            console.log("请检查每一层的三个level是否有重复")
        }
        ),
        webSite: "testdata",
        isLocal: !1,
        libsUrl: "../libs/",
        displayMode: "",
        isTest: A.urlHasValue("test"),
        prefix: window.location.href.split("//")[1].split("/")[0],
        pointDensity: "",
        UserPointDensity: "",
        UserDensityPercent: null,
        ifShowMarker: !0,
        floorplanType: {},
        floorplanEnable: !1,
        floorplanEnables: {},
        floorplanRequests: {},
        mapEnable: !0,
        cameraFar: T.view.far,
        showPanoMesh: !1,
        dblToFocusPoint: !1,
        unableNavigate: !1,
        sizeFitToLevel: !1,
        zoom: {
            enabled: !0,
            min: 1,
            max: T.highQualityMaxZoom,
            activationThreshold: 1.1
        },
        navConstantly: !0,
        navTileClass: A.isMobile() ? "1k" : "2k",
        tileClass: "4k",
        drawEntityData: !1,
        zoomFromPointert: {
            whenPanos: !0,
            whenPointCloud: !0,
            map: !0
        },
        rotAroundPoint: !0,
        tourTestCameraMove: !1,
        cameraAniSmoothRatio: 20,
        urls: $.extend({}, T.urls),
        useDepthTex: !0,
        datasetsPanos: {},
        boundAddObjs: !1,
        intersectOnObjs: !1,
        intersectWhenHover: !0
    };
    S.isLocalhost = S.prefix.includes("localhost");
    var C = {
        LEFT: 0,
        MIDDLE: 1,
        RIGHT: 2,
        ROTATE: 0,
        DOLLY: 1,
        PAN: 2
    }
      , V = 0
      , j = 1
      , W = 2
      , P = 1
      , D = 3
      , q = 0
      , J = 1
      , Y = 2
      , Z = 0
      , K = 1
      , ee = 2
      , te = 3
      , ne = 4
      , ie = 5
      , re = 100
      , ae = 101
      , oe = 102
      , se = 103
      , ce = 104
      , de = 200
      , he = 201
      , pe = 202
      , fe = 203
      , me = 204
      , ve = 205
      , ge = 206
      , ye = 207
      , we = 208
      , be = 209
      , xe = 210
      , Ee = 0
      , _e = 1
      , Me = 2
      , Ae = 3
      , Te = 4
      , Se = 5
      , Ce = 6
      , Pe = 7
      , k = 0
      , De = 0
      , L = 301
      , R = 302
      , F = 303
      , I = 304
      , z = 306
      , U = 307
      , ke = 1e3
      , Be = 1001
      , Le = 1002
      , Re = 1003
      , Fe = 1004
      , Ie = 1005
      , Oe = 1006
      , ze = 1007
      , Ne = 1008
      , G = 1008
      , Ue = 1009
      , Ge = 1010
      , He = 1011
      , Ve = 1012
      , je = 1013
      , We = 1014
      , Xe = 1015
      , qe = 1016
      , Je = 1017
      , Ye = 1018
      , Ze = 1019
      , Qe = 1020
      , Ke = 1021
      , $e = 1022
      , et = 1023
      , tt = 1024
      , nt = 1025
      , it = et
      , rt = 1026
      , at = 1027
      , ot = 1028
      , st = 1029
      , lt = 1030
      , ut = 1031
      , ct = 1032
      , dt = 1033
      , ht = 33776
      , pt = 33777
      , ft = 33778
      , mt = 33779
      , vt = 35840
      , gt = 35841
      , yt = 35842
      , wt = 35843
      , bt = 36196
      , xt = 37492
      , Et = 37496
      , _t = 37808
      , Mt = 37809
      , At = 37810
      , Tt = 37811
      , St = 37812
      , Ct = 37813
      , Pt = 37814
      , Dt = 37815
      , kt = 37816
      , Bt = 37817
      , Lt = 37818
      , Rt = 37819
      , Ft = 37820
      , It = 37821
      , Ot = 36492
      , zt = 37840
      , Nt = 37841
      , Ut = 37842
      , Gt = 37843
      , Ht = 37844
      , Vt = 37845
      , jt = 37846
      , Wt = 37847
      , Xt = 37848
      , qt = 37849
      , Jt = 37850
      , Yt = 37851
      , Zt = 37852
      , Qt = 37853
      , Kt = 2300
      , $t = 2301
      , en = 2400
      , tn = 2401
      , nn = 2402
      , rn = 3e3
      , an = 3001
      , on = 3201
      , sn = 0
      , ln = 1
      , un = 35044
      , cn = 35048
      , dn = "300 es";
    function hn() {}
    Object.assign(hn.prototype, {
        addEventListener: function(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0;
            void 0 === this._listeners && (this._listeners = {});
            var i = this._listeners;
            void 0 === i[e] && (i[e] = []),
            i[e].some(function(e) {
                return e.listener == t
            }) || (i[e].push({
                listener: t,
                importance: n
            }),
            i[e] = i[e].sort(function(e, t) {
                return t.importance - e.importance
            }))
        },
        hasEventListener: function(e, t) {
            if (void 0 === this._listeners)
                return !1;
            var n = this._listeners;
            return void 0 !== n[e] && n[e].some(function(e) {
                return e.listener == t
            })
        },
        removeEventListener: function(e, t) {
            var n;
            void 0 !== this._listeners && (void 0 === (n = this._listeners[e]) || (e = n.find(function(e) {
                return e.listener == t
            })) && n.splice(n.indexOf(e), 1))
        },
        removeEventListeners: function(e) {
            this._listeners && void 0 !== this._listeners[e] && delete this._listeners[e]
        },
        removeAllListeners: function() {
            this._listeners = {}
        },
        dispatchEvent: function(e) {
            if ("string" == typeof e && (e = {
                type: e
            }),
            void 0 !== this._listeners) {
                var t = this._listeners[e.type];
                if (void 0 !== t) {
                    e.target = this;
                    var n, i = ue(t.slice(0));
                    try {
                        for (i.s(); !(n = i.n()).done; ) {
                            var r = n.value.listener.call(this, e);
                            if (r && r.stopContinue)
                                break
                        }
                    } catch (e) {
                        i.e(e)
                    } finally {
                        i.f()
                    }
                }
            }
        }
    });
    for (var pn = [], fn = 0; fn < 256; fn++)
        pn[fn] = (fn < 16 ? "0" : "") + fn.toString(16);
    var mn, vn = 1234567, gn = {
        DEG2RAD: Math.PI / 180,
        RAD2DEG: 180 / Math.PI,
        generateUUID: function() {
            var e = 4294967295 * Math.random() | 0
              , t = 4294967295 * Math.random() | 0
              , n = 4294967295 * Math.random() | 0
              , i = 4294967295 * Math.random() | 0;
            return (pn[255 & e] + pn[e >> 8 & 255] + pn[e >> 16 & 255] + pn[e >> 24 & 255] + "-" + pn[255 & t] + pn[t >> 8 & 255] + "-" + pn[t >> 16 & 15 | 64] + pn[t >> 24 & 255] + "-" + pn[63 & n | 128] + pn[n >> 8 & 255] + "-" + pn[n >> 16 & 255] + pn[n >> 24 & 255] + pn[255 & i] + pn[i >> 8 & 255] + pn[i >> 16 & 255] + pn[i >> 24 & 255]).toUpperCase()
        },
        clamp: function(e, t, n) {
            return Math.max(t, Math.min(n, e))
        },
        euclideanModulo: function(e, t) {
            return (e % t + t) % t
        },
        mapLinear: function(e, t, n, i, r) {
            return i + (e - t) * (r - i) / (n - t)
        },
        lerp: function(e, t, n) {
            return (1 - n) * e + n * t
        },
        smoothstep: function(e, t, n) {
            return e <= t ? 0 : n <= e ? 1 : (e = (e - t) / (n - t)) * e * (3 - 2 * e)
        },
        smootherstep: function(e, t, n) {
            return e <= t ? 0 : n <= e ? 1 : (e = (e - t) / (n - t)) * e * e * (e * (6 * e - 15) + 10)
        },
        randInt: function(e, t) {
            return e + Math.floor(Math.random() * (t - e + 1))
        },
        randFloat: function(e, t) {
            return e + Math.random() * (t - e)
        },
        randFloatSpread: function(e) {
            return e * (.5 - Math.random())
        },
        seededRandom: function(e) {
            return ((vn = 16807 * (vn = void 0 !== e ? e % 2147483647 : vn) % 2147483647) - 1) / 2147483646
        },
        degToRad: function(e) {
            return e * gn.DEG2RAD
        },
        radToDeg: function(e) {
            return e * gn.RAD2DEG
        },
        isPowerOfTwo: function(e) {
            return 0 == (e & e - 1) && 0 !== e
        },
        ceilPowerOfTwo: function(e) {
            return Math.pow(2, Math.ceil(Math.log(e) / Math.LN2))
        },
        floorPowerOfTwo: function(e) {
            return Math.pow(2, Math.floor(Math.log(e) / Math.LN2))
        },
        setQuaternionFromProperEuler: function(e, t, n, i, r) {
            var a = Math.cos
              , o = Math.sin
              , s = a(n / 2)
              , l = o(n / 2)
              , u = a((t + i) / 2)
              , c = o((t + i) / 2)
              , d = a((t - i) / 2)
              , h = o((t - i) / 2)
              , p = a((i - t) / 2)
              , f = o((i - t) / 2);
            switch (r) {
            case "XYX":
                e.set(s * c, l * d, l * h, s * u);
                break;
            case "YZY":
                e.set(l * h, s * c, l * d, s * u);
                break;
            case "ZXZ":
                e.set(l * d, l * h, s * c, s * u);
                break;
            case "XZX":
                e.set(s * c, l * f, l * p, s * u);
                break;
            case "YXY":
                e.set(l * p, s * c, l * f, s * u);
                break;
            case "ZYZ":
                e.set(l * f, l * p, s * c, s * u);
                break;
            default:
                console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: " + r)
            }
        }
    }, yn = function() {
        function n() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
            O(this, n),
            Object.defineProperty(this, "isVector2", {
                value: !0
            }),
            this.x = e,
            this.y = t
        }
        return h(n, [{
            key: "width",
            get: function() {
                return this.x
            },
            set: function(e) {
                this.x = e
            }
        }, {
            key: "height",
            get: function() {
                return this.y
            },
            set: function(e) {
                this.y = e
            }
        }, {
            key: "set",
            value: function(e, t) {
                return this.x = e,
                this.y = t,
                this
            }
        }, {
            key: "setScalar",
            value: function(e) {
                return this.x = e,
                this.y = e,
                this
            }
        }, {
            key: "setX",
            value: function(e) {
                return this.x = e,
                this
            }
        }, {
            key: "setY",
            value: function(e) {
                return this.y = e,
                this
            }
        }, {
            key: "setComponent",
            value: function(e, t) {
                switch (e) {
                case 0:
                    this.x = t;
                    break;
                case 1:
                    this.y = t;
                    break;
                default:
                    throw new Error("index is out of range: " + e)
                }
                return this
            }
        }, {
            key: "getComponent",
            value: function(e) {
                switch (e) {
                case 0:
                    return this.x;
                case 1:
                    return this.y;
                default:
                    throw new Error("index is out of range: " + e)
                }
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this.x,this.y)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.x = e.x,
                this.y = e.y,
                this
            }
        }, {
            key: "add",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
                this.addVectors(e, t)) : (this.x += e.x,
                this.y += e.y,
                this)
            }
        }, {
            key: "addScalar",
            value: function(e) {
                return this.x += e,
                this.y += e,
                this
            }
        }, {
            key: "addVectors",
            value: function(e, t) {
                return this.x = e.x + t.x,
                this.y = e.y + t.y,
                this
            }
        }, {
            key: "addScaledVector",
            value: function(e, t) {
                return this.x += e.x * t,
                this.y += e.y * t,
                this
            }
        }, {
            key: "sub",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),
                this.subVectors(e, t)) : (this.x -= e.x,
                this.y -= e.y,
                this)
            }
        }, {
            key: "subScalar",
            value: function(e) {
                return this.x -= e,
                this.y -= e,
                this
            }
        }, {
            key: "subVectors",
            value: function(e, t) {
                return this.x = e.x - t.x,
                this.y = e.y - t.y,
                this
            }
        }, {
            key: "multiply",
            value: function(e) {
                return this.x *= e.x,
                this.y *= e.y,
                this
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                return this.x *= e,
                this.y *= e,
                this
            }
        }, {
            key: "divide",
            value: function(e) {
                return this.x /= e.x,
                this.y /= e.y,
                this
            }
        }, {
            key: "divideScalar",
            value: function(e) {
                return this.multiplyScalar(1 / e)
            }
        }, {
            key: "applyMatrix3",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , e = e.elements;
                return this.x = e[0] * t + e[3] * n + e[6],
                this.y = e[1] * t + e[4] * n + e[7],
                this
            }
        }, {
            key: "min",
            value: function(e) {
                return this.x = Math.min(this.x, e.x),
                this.y = Math.min(this.y, e.y),
                this
            }
        }, {
            key: "max",
            value: function(e) {
                return this.x = Math.max(this.x, e.x),
                this.y = Math.max(this.y, e.y),
                this
            }
        }, {
            key: "clamp",
            value: function(e, t) {
                return this.x = Math.max(e.x, Math.min(t.x, this.x)),
                this.y = Math.max(e.y, Math.min(t.y, this.y)),
                this
            }
        }, {
            key: "clampScalar",
            value: function(e, t) {
                return this.x = Math.max(e, Math.min(t, this.x)),
                this.y = Math.max(e, Math.min(t, this.y)),
                this
            }
        }, {
            key: "clampLength",
            value: function(e, t) {
                var n = this.length();
                return this.divideScalar(n || 1).multiplyScalar(Math.max(e, Math.min(t, n)))
            }
        }, {
            key: "floor",
            value: function() {
                return this.x = Math.floor(this.x),
                this.y = Math.floor(this.y),
                this
            }
        }, {
            key: "ceil",
            value: function() {
                return this.x = Math.ceil(this.x),
                this.y = Math.ceil(this.y),
                this
            }
        }, {
            key: "round",
            value: function() {
                return this.x = Math.round(this.x),
                this.y = Math.round(this.y),
                this
            }
        }, {
            key: "roundToZero",
            value: function() {
                return this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x),
                this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y),
                this
            }
        }, {
            key: "negate",
            value: function() {
                return this.x = -this.x,
                this.y = -this.y,
                this
            }
        }, {
            key: "dot",
            value: function(e) {
                return this.x * e.x + this.y * e.y
            }
        }, {
            key: "cross",
            value: function(e) {
                return this.x * e.y - this.y * e.x
            }
        }, {
            key: "lengthSq",
            value: function() {
                return this.x * this.x + this.y * this.y
            }
        }, {
            key: "length",
            value: function() {
                return Math.sqrt(this.x * this.x + this.y * this.y)
            }
        }, {
            key: "manhattanLength",
            value: function() {
                return Math.abs(this.x) + Math.abs(this.y)
            }
        }, {
            key: "normalize",
            value: function() {
                return this.divideScalar(this.length() || 1)
            }
        }, {
            key: "angle",
            value: function() {
                return Math.atan2(-this.y, -this.x) + Math.PI
            }
        }, {
            key: "distanceTo",
            value: function(e) {
                return Math.sqrt(this.distanceToSquared(e))
            }
        }, {
            key: "distanceToSquared",
            value: function(e) {
                var t = this.x - e.x
                  , e = this.y - e.y;
                return t * t + e * e
            }
        }, {
            key: "manhattanDistanceTo",
            value: function(e) {
                return Math.abs(this.x - e.x) + Math.abs(this.y - e.y)
            }
        }, {
            key: "setLength",
            value: function(e) {
                return this.normalize().multiplyScalar(e)
            }
        }, {
            key: "lerp",
            value: function(e, t) {
                return this.x += (e.x - this.x) * t,
                this.y += (e.y - this.y) * t,
                this
            }
        }, {
            key: "lerpVectors",
            value: function(e, t, n) {
                return this.x = e.x + (t.x - e.x) * n,
                this.y = e.y + (t.y - e.y) * n,
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.x === this.x && e.y === this.y
            }
        }, {
            key: "fromArray",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return this.x = e[t],
                this.y = e[t + 1],
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this.x,
                e[t + 1] = this.y,
                e
            }
        }, {
            key: "fromBufferAttribute",
            value: function(e, t, n) {
                return void 0 !== n && console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),
                this.x = e.getX(t),
                this.y = e.getY(t),
                this
            }
        }, {
            key: "rotateAround",
            value: function(e, t) {
                var n = Math.cos(t)
                  , i = Math.sin(t)
                  , r = this.x - e.x
                  , t = this.y - e.y;
                return this.x = r * n - t * i + e.x,
                this.y = r * i + t * n + e.y,
                this
            }
        }, {
            key: "random",
            value: function() {
                return this.x = Math.random(),
                this.y = Math.random(),
                this
            }
        }]),
        n
    }(), wn = function() {
        function e() {
            O(this, e),
            Object.defineProperty(this, "isMatrix3", {
                value: !0
            }),
            this.elements = [1, 0, 0, 0, 1, 0, 0, 0, 1],
            0 < arguments.length && console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")
        }
        return h(e, [{
            key: "set",
            value: function(e, t, n, i, r, a, o, s, l) {
                var u = this.elements;
                return u[0] = e,
                u[1] = i,
                u[2] = o,
                u[3] = t,
                u[4] = r,
                u[5] = s,
                u[6] = n,
                u[7] = a,
                u[8] = l,
                this
            }
        }, {
            key: "identity",
            value: function() {
                return this.set(1, 0, 0, 0, 1, 0, 0, 0, 1),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).fromArray(this.elements)
            }
        }, {
            key: "copy",
            value: function(e) {
                var t = this.elements
                  , e = e.elements;
                return t[0] = e[0],
                t[1] = e[1],
                t[2] = e[2],
                t[3] = e[3],
                t[4] = e[4],
                t[5] = e[5],
                t[6] = e[6],
                t[7] = e[7],
                t[8] = e[8],
                this
            }
        }, {
            key: "extractBasis",
            value: function(e, t, n) {
                return e.setFromMatrix3Column(this, 0),
                t.setFromMatrix3Column(this, 1),
                n.setFromMatrix3Column(this, 2),
                this
            }
        }, {
            key: "setFromMatrix4",
            value: function(e) {
                e = e.elements;
                return this.set(e[0], e[4], e[8], e[1], e[5], e[9], e[2], e[6], e[10]),
                this
            }
        }, {
            key: "multiply",
            value: function(e) {
                return this.multiplyMatrices(this, e)
            }
        }, {
            key: "premultiply",
            value: function(e) {
                return this.multiplyMatrices(e, this)
            }
        }, {
            key: "multiplyMatrices",
            value: function(e, t) {
                var n = e.elements
                  , i = t.elements
                  , r = this.elements
                  , a = n[0]
                  , o = n[3]
                  , s = n[6]
                  , l = n[1]
                  , u = n[4]
                  , c = n[7]
                  , d = n[2]
                  , h = n[5]
                  , p = n[8]
                  , f = i[0]
                  , m = i[3]
                  , v = i[6]
                  , g = i[1]
                  , y = i[4]
                  , e = i[7]
                  , t = i[2]
                  , n = i[5]
                  , i = i[8];
                return r[0] = a * f + o * g + s * t,
                r[3] = a * m + o * y + s * n,
                r[6] = a * v + o * e + s * i,
                r[1] = l * f + u * g + c * t,
                r[4] = l * m + u * y + c * n,
                r[7] = l * v + u * e + c * i,
                r[2] = d * f + h * g + p * t,
                r[5] = d * m + h * y + p * n,
                r[8] = d * v + h * e + p * i,
                this
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                var t = this.elements;
                return t[0] *= e,
                t[3] *= e,
                t[6] *= e,
                t[1] *= e,
                t[4] *= e,
                t[7] *= e,
                t[2] *= e,
                t[5] *= e,
                t[8] *= e,
                this
            }
        }, {
            key: "determinant",
            value: function() {
                var e = this.elements
                  , t = e[0]
                  , n = e[1]
                  , i = e[2]
                  , r = e[3]
                  , a = e[4]
                  , o = e[5]
                  , s = e[6]
                  , l = e[7]
                  , e = e[8];
                return t * a * e - t * o * l - n * r * e + n * o * s + i * r * l - i * a * s
            }
        }, {
            key: "invert",
            value: function() {
                var e = this.elements
                  , t = e[0]
                  , n = e[1]
                  , i = e[2]
                  , r = e[3]
                  , a = e[4]
                  , o = e[5]
                  , s = e[6]
                  , l = e[7]
                  , u = e[8]
                  , c = u * a - o * l
                  , d = o * s - u * r
                  , h = l * r - a * s
                  , p = t * c + n * d + i * h;
                if (0 == p)
                    return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0);
                p = 1 / p;
                return e[0] = c * p,
                e[1] = (i * l - u * n) * p,
                e[2] = (o * n - i * a) * p,
                e[3] = d * p,
                e[4] = (u * t - i * s) * p,
                e[5] = (i * r - o * t) * p,
                e[6] = h * p,
                e[7] = (n * s - l * t) * p,
                e[8] = (a * t - n * r) * p,
                this
            }
        }, {
            key: "transpose",
            value: function() {
                var e = this.elements
                  , t = e[1];
                return e[1] = e[3],
                e[3] = t,
                t = e[2],
                e[2] = e[6],
                e[6] = t,
                t = e[5],
                e[5] = e[7],
                e[7] = t,
                this
            }
        }, {
            key: "getNormalMatrix",
            value: function(e) {
                return this.setFromMatrix4(e).copy(this).invert().transpose()
            }
        }, {
            key: "transposeIntoArray",
            value: function(e) {
                var t = this.elements;
                return e[0] = t[0],
                e[1] = t[3],
                e[2] = t[6],
                e[3] = t[1],
                e[4] = t[4],
                e[5] = t[7],
                e[6] = t[2],
                e[7] = t[5],
                e[8] = t[8],
                this
            }
        }, {
            key: "setUvTransform",
            value: function(e, t, n, i, r, a, o) {
                var s = Math.cos(r)
                  , r = Math.sin(r);
                return this.set(n * s, n * r, -n * (s * a + r * o) + a + e, -i * r, i * s, -i * (-r * a + s * o) + o + t, 0, 0, 1),
                this
            }
        }, {
            key: "scale",
            value: function(e, t) {
                var n = this.elements;
                return n[0] *= e,
                n[3] *= e,
                n[6] *= e,
                n[1] *= t,
                n[4] *= t,
                n[7] *= t,
                this
            }
        }, {
            key: "rotate",
            value: function(e) {
                var t = Math.cos(e)
                  , n = Math.sin(e)
                  , i = this.elements
                  , r = i[0]
                  , a = i[3]
                  , o = i[6]
                  , s = i[1]
                  , l = i[4]
                  , e = i[7];
                return i[0] = t * r + n * s,
                i[3] = t * a + n * l,
                i[6] = t * o + n * e,
                i[1] = -n * r + t * s,
                i[4] = -n * a + t * l,
                i[7] = -n * o + t * e,
                this
            }
        }, {
            key: "translate",
            value: function(e, t) {
                var n = this.elements;
                return n[0] += e * n[2],
                n[3] += e * n[5],
                n[6] += e * n[8],
                n[1] += t * n[2],
                n[4] += t * n[5],
                n[7] += t * n[8],
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                for (var t = this.elements, n = e.elements, i = 0; i < 9; i++)
                    if (t[i] !== n[i])
                        return !1;
                return !0
            }
        }, {
            key: "fromArray",
            value: function(e) {
                for (var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, n = 0; n < 9; n++)
                    this.elements[n] = e[n + t];
                return this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
                  , n = this.elements;
                return e[t] = n[0],
                e[t + 1] = n[1],
                e[t + 2] = n[2],
                e[t + 3] = n[3],
                e[t + 4] = n[4],
                e[t + 5] = n[5],
                e[t + 6] = n[6],
                e[t + 7] = n[7],
                e[t + 8] = n[8],
                e
            }
        }]),
        e
    }(), bn = {
        getDataURL: function(e) {
            if (/^data:/i.test(e.src))
                return e.src;
            if ("undefined" == typeof HTMLCanvasElement)
                return e.src;
            var t, e = e instanceof HTMLCanvasElement ? e : ((mn = void 0 === mn ? document.createElementNS("http://www.w3.org/1999/xhtml", "canvas") : mn).width = e.width,
            mn.height = e.height,
            t = mn.getContext("2d"),
            e instanceof ImageData ? t.putImageData(e, 0, 0) : t.drawImage(e, 0, 0, e.width, e.height),
            mn);
            return 2048 < e.width || 2048 < e.height ? e.toDataURL("image/jpeg", .6) : e.toDataURL("image/png")
        }
    }, xn = 0;
    function En() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : En.DEFAULT_IMAGE
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : En.DEFAULT_MAPPING
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : Be
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : Be
          , r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : Oe
          , a = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : Ne
          , o = 6 < arguments.length && void 0 !== arguments[6] ? arguments[6] : et
          , s = 7 < arguments.length && void 0 !== arguments[7] ? arguments[7] : Ue
          , l = 8 < arguments.length && void 0 !== arguments[8] ? arguments[8] : 1
          , u = 9 < arguments.length && void 0 !== arguments[9] ? arguments[9] : rn;
        Object.defineProperty(this, "id", {
            value: xn++
        }),
        this.uuid = gn.generateUUID(),
        this.name = "",
        this.image = e,
        this.mipmaps = [],
        this.mapping = t,
        this.wrapS = n,
        this.wrapT = i,
        this.magFilter = r,
        this.minFilter = a,
        this.anisotropy = l,
        this.format = o,
        this.internalFormat = null,
        this.type = s,
        this.offset = new yn(0,0),
        this.repeat = new yn(1,1),
        this.center = new yn(0,0),
        this.rotation = 0,
        this.matrixAutoUpdate = !0,
        this.matrix = new wn,
        this.generateMipmaps = !0,
        this.premultiplyAlpha = !1,
        this.flipY = !0,
        this.unpackAlignment = 4,
        this.encoding = u,
        this.version = 0,
        this.onUpdate = null
    }
    function _n(e) {
        return "undefined" != typeof HTMLImageElement && e instanceof HTMLImageElement || "undefined" != typeof HTMLCanvasElement && e instanceof HTMLCanvasElement || "undefined" != typeof ImageBitmap && e instanceof ImageBitmap ? bn.getDataURL(e) : e.data ? {
            data: Array.prototype.slice.call(e.data),
            width: e.width,
            height: e.height,
            type: e.data.constructor.name
        } : (console.warn("THREE.Texture: Unable to serialize Texture."),
        {})
    }
    En.DEFAULT_IMAGE = void 0,
    En.DEFAULT_MAPPING = 300,
    En.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: En,
        isTexture: !0,
        updateMatrix: function() {
            this.matrix.setUvTransform(this.offset.x, this.offset.y, this.repeat.x, this.repeat.y, this.rotation, this.center.x, this.center.y)
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        copy: function(e) {
            return this.name = e.name,
            this.image = e.image,
            this.mipmaps = e.mipmaps.slice(0),
            this.mapping = e.mapping,
            this.wrapS = e.wrapS,
            this.wrapT = e.wrapT,
            this.magFilter = e.magFilter,
            this.minFilter = e.minFilter,
            this.anisotropy = e.anisotropy,
            this.format = e.format,
            this.internalFormat = e.internalFormat,
            this.type = e.type,
            this.offset.copy(e.offset),
            this.repeat.copy(e.repeat),
            this.center.copy(e.center),
            this.rotation = e.rotation,
            this.matrixAutoUpdate = e.matrixAutoUpdate,
            this.matrix.copy(e.matrix),
            this.generateMipmaps = e.generateMipmaps,
            this.premultiplyAlpha = e.premultiplyAlpha,
            this.flipY = e.flipY,
            this.unpackAlignment = e.unpackAlignment,
            this.encoding = e.encoding,
            this
        },
        toJSON: function(e) {
            var t = void 0 === e || "string" == typeof e;
            if (!t && void 0 !== e.textures[this.uuid])
                return e.textures[this.uuid];
            var n = {
                metadata: {
                    version: 4.5,
                    type: "Texture",
                    generator: "Texture.toJSON"
                },
                uuid: this.uuid,
                name: this.name,
                mapping: this.mapping,
                repeat: [this.repeat.x, this.repeat.y],
                offset: [this.offset.x, this.offset.y],
                center: [this.center.x, this.center.y],
                rotation: this.rotation,
                wrap: [this.wrapS, this.wrapT],
                format: this.format,
                type: this.type,
                encoding: this.encoding,
                minFilter: this.minFilter,
                magFilter: this.magFilter,
                anisotropy: this.anisotropy,
                flipY: this.flipY,
                premultiplyAlpha: this.premultiplyAlpha,
                unpackAlignment: this.unpackAlignment
            };
            if (void 0 !== this.image) {
                var i = this.image;
                if (void 0 === i.uuid && (i.uuid = gn.generateUUID()),
                !t && void 0 === e.images[i.uuid]) {
                    if (Array.isArray(i))
                        for (var r = [], a = 0, o = i.length; a < o; a++)
                            i[a].isDataTexture ? r.push(_n(i[a].image)) : r.push(_n(i[a]));
                    else
                        r = _n(i);
                    e.images[i.uuid] = {
                        uuid: i.uuid,
                        url: r
                    }
                }
                n.image = i.uuid
            }
            return t || (e.textures[this.uuid] = n),
            n
        },
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        },
        transformUv: function(e) {
            if (300 !== this.mapping)
                return e;
            if (e.applyMatrix3(this.matrix),
            e.x < 0 || 1 < e.x)
                switch (this.wrapS) {
                case ke:
                    e.x = e.x - Math.floor(e.x);
                    break;
                case Be:
                    e.x = e.x < 0 ? 0 : 1;
                    break;
                case Le:
                    1 === Math.abs(Math.floor(e.x) % 2) ? e.x = Math.ceil(e.x) - e.x : e.x = e.x - Math.floor(e.x)
                }
            if (e.y < 0 || 1 < e.y)
                switch (this.wrapT) {
                case ke:
                    e.y = e.y - Math.floor(e.y);
                    break;
                case Be:
                    e.y = e.y < 0 ? 0 : 1;
                    break;
                case Le:
                    1 === Math.abs(Math.floor(e.y) % 2) ? e.y = Math.ceil(e.y) - e.y : e.y = e.y - Math.floor(e.y)
                }
            return this.flipY && (e.y = 1 - e.y),
            e
        }
    }),
    Object.defineProperty(En.prototype, "needsUpdate", {
        set: function(e) {
            !0 === e && this.version++
        }
    });
    var Mn = function() {
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1;
            O(this, r),
            Object.defineProperty(this, "isVector4", {
                value: !0
            }),
            this.x = e,
            this.y = t,
            this.z = n,
            this.w = i
        }
        return h(r, [{
            key: "width",
            get: function() {
                return this.z
            },
            set: function(e) {
                this.z = e
            }
        }, {
            key: "height",
            get: function() {
                return this.w
            },
            set: function(e) {
                this.w = e
            }
        }, {
            key: "set",
            value: function(e, t, n, i) {
                return this.x = e,
                this.y = t,
                this.z = n,
                this.w = i,
                this
            }
        }, {
            key: "setScalar",
            value: function(e) {
                return this.x = e,
                this.y = e,
                this.z = e,
                this.w = e,
                this
            }
        }, {
            key: "setX",
            value: function(e) {
                return this.x = e,
                this
            }
        }, {
            key: "setY",
            value: function(e) {
                return this.y = e,
                this
            }
        }, {
            key: "setZ",
            value: function(e) {
                return this.z = e,
                this
            }
        }, {
            key: "setW",
            value: function(e) {
                return this.w = e,
                this
            }
        }, {
            key: "setComponent",
            value: function(e, t) {
                switch (e) {
                case 0:
                    this.x = t;
                    break;
                case 1:
                    this.y = t;
                    break;
                case 2:
                    this.z = t;
                    break;
                case 3:
                    this.w = t;
                    break;
                default:
                    throw new Error("index is out of range: " + e)
                }
                return this
            }
        }, {
            key: "getComponent",
            value: function(e) {
                switch (e) {
                case 0:
                    return this.x;
                case 1:
                    return this.y;
                case 2:
                    return this.z;
                case 3:
                    return this.w;
                default:
                    throw new Error("index is out of range: " + e)
                }
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this.x,this.y,this.z,this.w)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.x = e.x,
                this.y = e.y,
                this.z = e.z,
                this.w = void 0 !== e.w ? e.w : 1,
                this
            }
        }, {
            key: "add",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
                this.addVectors(e, t)) : (this.x += e.x,
                this.y += e.y,
                this.z += e.z,
                this.w += e.w,
                this)
            }
        }, {
            key: "addScalar",
            value: function(e) {
                return this.x += e,
                this.y += e,
                this.z += e,
                this.w += e,
                this
            }
        }, {
            key: "addVectors",
            value: function(e, t) {
                return this.x = e.x + t.x,
                this.y = e.y + t.y,
                this.z = e.z + t.z,
                this.w = e.w + t.w,
                this
            }
        }, {
            key: "addScaledVector",
            value: function(e, t) {
                return this.x += e.x * t,
                this.y += e.y * t,
                this.z += e.z * t,
                this.w += e.w * t,
                this
            }
        }, {
            key: "sub",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),
                this.subVectors(e, t)) : (this.x -= e.x,
                this.y -= e.y,
                this.z -= e.z,
                this.w -= e.w,
                this)
            }
        }, {
            key: "subScalar",
            value: function(e) {
                return this.x -= e,
                this.y -= e,
                this.z -= e,
                this.w -= e,
                this
            }
        }, {
            key: "subVectors",
            value: function(e, t) {
                return this.x = e.x - t.x,
                this.y = e.y - t.y,
                this.z = e.z - t.z,
                this.w = e.w - t.w,
                this
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                return this.x *= e,
                this.y *= e,
                this.z *= e,
                this.w *= e,
                this
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , i = this.z
                  , r = this.w
                  , e = e.elements;
                return this.x = e[0] * t + e[4] * n + e[8] * i + e[12] * r,
                this.y = e[1] * t + e[5] * n + e[9] * i + e[13] * r,
                this.z = e[2] * t + e[6] * n + e[10] * i + e[14] * r,
                this.w = e[3] * t + e[7] * n + e[11] * i + e[15] * r,
                this
            }
        }, {
            key: "divideScalar",
            value: function(e) {
                return this.multiplyScalar(1 / e)
            }
        }, {
            key: "setAxisAngleFromQuaternion",
            value: function(e) {
                this.w = 2 * Math.acos(e.w);
                var t = Math.sqrt(1 - e.w * e.w);
                return t < 1e-4 ? (this.x = 1,
                this.y = 0,
                this.z = 0) : (this.x = e.x / t,
                this.y = e.y / t,
                this.z = e.z / t),
                this
            }
        }, {
            key: "setAxisAngleFromRotationMatrix",
            value: function(e) {
                var t, n, i, r = e.elements, a = r[0], o = r[4], s = r[8], l = r[1], u = r[5], c = r[9], d = r[2], h = r[6], p = r[10];
                if (Math.abs(o - l) < .01 && Math.abs(s - d) < .01 && Math.abs(c - h) < .01) {
                    if (Math.abs(o + l) < .1 && Math.abs(s + d) < .1 && Math.abs(c + h) < .1 && Math.abs(a + u + p - 3) < .1)
                        return this.set(1, 0, 0, 0),
                        this;
                    var f = Math.PI
                      , m = (a + 1) / 2
                      , v = (u + 1) / 2
                      , g = (p + 1) / 2
                      , y = (o + l) / 4
                      , e = (s + d) / 4
                      , r = (c + h) / 4;
                    return v < m && g < m ? i = m < .01 ? (t = 0,
                    n = .707106781) : (n = y / (t = Math.sqrt(m)),
                    e / t) : g < v ? i = v < .01 ? (n = 0,
                    t = .707106781) : (t = y / (n = Math.sqrt(v)),
                    r / n) : g < .01 ? (n = t = .707106781,
                    i = 0) : (t = e / (i = Math.sqrt(g)),
                    n = r / i),
                    this.set(t, n, i, f),
                    this
                }
                f = Math.sqrt((h - c) * (h - c) + (s - d) * (s - d) + (l - o) * (l - o));
                return Math.abs(f) < .001 && (f = 1),
                this.x = (h - c) / f,
                this.y = (s - d) / f,
                this.z = (l - o) / f,
                this.w = Math.acos((a + u + p - 1) / 2),
                this
            }
        }, {
            key: "min",
            value: function(e) {
                return this.x = Math.min(this.x, e.x),
                this.y = Math.min(this.y, e.y),
                this.z = Math.min(this.z, e.z),
                this.w = Math.min(this.w, e.w),
                this
            }
        }, {
            key: "max",
            value: function(e) {
                return this.x = Math.max(this.x, e.x),
                this.y = Math.max(this.y, e.y),
                this.z = Math.max(this.z, e.z),
                this.w = Math.max(this.w, e.w),
                this
            }
        }, {
            key: "clamp",
            value: function(e, t) {
                return this.x = Math.max(e.x, Math.min(t.x, this.x)),
                this.y = Math.max(e.y, Math.min(t.y, this.y)),
                this.z = Math.max(e.z, Math.min(t.z, this.z)),
                this.w = Math.max(e.w, Math.min(t.w, this.w)),
                this
            }
        }, {
            key: "clampScalar",
            value: function(e, t) {
                return this.x = Math.max(e, Math.min(t, this.x)),
                this.y = Math.max(e, Math.min(t, this.y)),
                this.z = Math.max(e, Math.min(t, this.z)),
                this.w = Math.max(e, Math.min(t, this.w)),
                this
            }
        }, {
            key: "clampLength",
            value: function(e, t) {
                var n = this.length();
                return this.divideScalar(n || 1).multiplyScalar(Math.max(e, Math.min(t, n)))
            }
        }, {
            key: "floor",
            value: function() {
                return this.x = Math.floor(this.x),
                this.y = Math.floor(this.y),
                this.z = Math.floor(this.z),
                this.w = Math.floor(this.w),
                this
            }
        }, {
            key: "ceil",
            value: function() {
                return this.x = Math.ceil(this.x),
                this.y = Math.ceil(this.y),
                this.z = Math.ceil(this.z),
                this.w = Math.ceil(this.w),
                this
            }
        }, {
            key: "round",
            value: function() {
                return this.x = Math.round(this.x),
                this.y = Math.round(this.y),
                this.z = Math.round(this.z),
                this.w = Math.round(this.w),
                this
            }
        }, {
            key: "roundToZero",
            value: function() {
                return this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x),
                this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y),
                this.z = this.z < 0 ? Math.ceil(this.z) : Math.floor(this.z),
                this.w = this.w < 0 ? Math.ceil(this.w) : Math.floor(this.w),
                this
            }
        }, {
            key: "negate",
            value: function() {
                return this.x = -this.x,
                this.y = -this.y,
                this.z = -this.z,
                this.w = -this.w,
                this
            }
        }, {
            key: "dot",
            value: function(e) {
                return this.x * e.x + this.y * e.y + this.z * e.z + this.w * e.w
            }
        }, {
            key: "lengthSq",
            value: function() {
                return this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w
            }
        }, {
            key: "length",
            value: function() {
                return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w)
            }
        }, {
            key: "manhattanLength",
            value: function() {
                return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z) + Math.abs(this.w)
            }
        }, {
            key: "normalize",
            value: function() {
                return this.divideScalar(this.length() || 1)
            }
        }, {
            key: "setLength",
            value: function(e) {
                return this.normalize().multiplyScalar(e)
            }
        }, {
            key: "lerp",
            value: function(e, t) {
                return this.x += (e.x - this.x) * t,
                this.y += (e.y - this.y) * t,
                this.z += (e.z - this.z) * t,
                this.w += (e.w - this.w) * t,
                this
            }
        }, {
            key: "lerpVectors",
            value: function(e, t, n) {
                return this.x = e.x + (t.x - e.x) * n,
                this.y = e.y + (t.y - e.y) * n,
                this.z = e.z + (t.z - e.z) * n,
                this.w = e.w + (t.w - e.w) * n,
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.x === this.x && e.y === this.y && e.z === this.z && e.w === this.w
            }
        }, {
            key: "fromArray",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return this.x = e[t],
                this.y = e[t + 1],
                this.z = e[t + 2],
                this.w = e[t + 3],
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this.x,
                e[t + 1] = this.y,
                e[t + 2] = this.z,
                e[t + 3] = this.w,
                e
            }
        }, {
            key: "fromBufferAttribute",
            value: function(e, t, n) {
                return void 0 !== n && console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),
                this.x = e.getX(t),
                this.y = e.getY(t),
                this.z = e.getZ(t),
                this.w = e.getW(t),
                this
            }
        }, {
            key: "random",
            value: function() {
                return this.x = Math.random(),
                this.y = Math.random(),
                this.z = Math.random(),
                this.w = Math.random(),
                this
            }
        }]),
        r
    }();
    function An(e, t, n) {
        this.width = e,
        this.height = t,
        this.scissor = new Mn(0,0,e,t),
        this.scissorTest = !1,
        this.viewport = new Mn(0,0,e,t),
        this.texture = new En(void 0,(n = n || {}).mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),
        this.texture.image = {},
        this.texture.image.width = e,
        this.texture.image.height = t,
        this.texture.generateMipmaps = void 0 !== n.generateMipmaps && n.generateMipmaps,
        this.texture.minFilter = void 0 !== n.minFilter ? n.minFilter : Oe,
        this.depthBuffer = void 0 === n.depthBuffer || n.depthBuffer,
        this.stencilBuffer = void 0 !== n.stencilBuffer && n.stencilBuffer,
        this.depthTexture = void 0 !== n.depthTexture ? n.depthTexture : null
    }
    function Tn(e, t, n) {
        An.call(this, e, t, n),
        this.samples = 4
    }
    An.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: An,
        isWebGLRenderTarget: !0,
        setSize: function(e, t) {
            this.width === e && this.height === t || (this.width = e,
            this.height = t,
            this.texture.image.width = e,
            this.texture.image.height = t,
            this.dispose()),
            this.viewport.set(0, 0, e, t),
            this.scissor.set(0, 0, e, t)
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        copy: function(e) {
            return this.width = e.width,
            this.height = e.height,
            this.viewport.copy(e.viewport),
            this.texture = e.texture.clone(),
            this.depthBuffer = e.depthBuffer,
            this.stencilBuffer = e.stencilBuffer,
            this.depthTexture = e.depthTexture,
            this
        },
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        }
    }),
    Tn.prototype = Object.assign(Object.create(An.prototype), {
        constructor: Tn,
        isWebGLMultisampleRenderTarget: !0,
        copy: function(e) {
            return An.prototype.copy.call(this, e),
            this.samples = e.samples,
            this
        }
    });
    var Sn = function() {
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1;
            O(this, r),
            Object.defineProperty(this, "isQuaternion", {
                value: !0
            }),
            this._x = e,
            this._y = t,
            this._z = n,
            this._w = i
        }
        return h(r, [{
            key: "x",
            get: function() {
                return this._x
            },
            set: function(e) {
                this._x = e,
                this._onChangeCallback()
            }
        }, {
            key: "y",
            get: function() {
                return this._y
            },
            set: function(e) {
                this._y = e,
                this._onChangeCallback()
            }
        }, {
            key: "z",
            get: function() {
                return this._z
            },
            set: function(e) {
                this._z = e,
                this._onChangeCallback()
            }
        }, {
            key: "w",
            get: function() {
                return this._w
            },
            set: function(e) {
                this._w = e,
                this._onChangeCallback()
            }
        }, {
            key: "set",
            value: function(e, t, n, i) {
                return this._x = e,
                this._y = t,
                this._z = n,
                this._w = i,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this._x,this._y,this._z,this._w)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this._x = e.x,
                this._y = e.y,
                this._z = e.z,
                this._w = e.w,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromEuler",
            value: function(e, t) {
                if (!e || !e.isEuler)
                    throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");
                var n = e._x
                  , i = e._y
                  , r = e._z
                  , a = e._order
                  , o = Math.cos
                  , e = Math.sin
                  , s = o(n / 2)
                  , l = o(i / 2)
                  , u = o(r / 2)
                  , c = e(n / 2)
                  , d = e(i / 2)
                  , h = e(r / 2);
                switch (a) {
                case "XYZ":
                    this._x = c * l * u + s * d * h,
                    this._y = s * d * u - c * l * h,
                    this._z = s * l * h + c * d * u,
                    this._w = s * l * u - c * d * h;
                    break;
                case "YXZ":
                    this._x = c * l * u + s * d * h,
                    this._y = s * d * u - c * l * h,
                    this._z = s * l * h - c * d * u,
                    this._w = s * l * u + c * d * h;
                    break;
                case "ZXY":
                    this._x = c * l * u - s * d * h,
                    this._y = s * d * u + c * l * h,
                    this._z = s * l * h + c * d * u,
                    this._w = s * l * u - c * d * h;
                    break;
                case "ZYX":
                    this._x = c * l * u - s * d * h,
                    this._y = s * d * u + c * l * h,
                    this._z = s * l * h - c * d * u,
                    this._w = s * l * u + c * d * h;
                    break;
                case "YZX":
                    this._x = c * l * u + s * d * h,
                    this._y = s * d * u + c * l * h,
                    this._z = s * l * h - c * d * u,
                    this._w = s * l * u - c * d * h;
                    break;
                case "XZY":
                    this._x = c * l * u - s * d * h,
                    this._y = s * d * u - c * l * h,
                    this._z = s * l * h + c * d * u,
                    this._w = s * l * u + c * d * h;
                    break;
                default:
                    console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: " + a)
                }
                return !1 !== t && this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromAxisAngle",
            value: function(e, t) {
                var n = t / 2
                  , t = Math.sin(n);
                return this._x = e.x * t,
                this._y = e.y * t,
                this._z = e.z * t,
                this._w = Math.cos(n),
                this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromRotationMatrix",
            value: function(e) {
                var t, n = e.elements, i = n[0], r = n[4], a = n[8], o = n[1], s = n[5], l = n[9], u = n[2], c = n[6], e = n[10], n = i + s + e;
                return 0 < n ? (n = .5 / Math.sqrt(n + 1),
                this._w = .25 / n,
                this._x = (c - l) * n,
                this._y = (a - u) * n,
                this._z = (o - r) * n) : s < i && e < i ? (t = 2 * Math.sqrt(1 + i - s - e),
                this._w = (c - l) / t,
                this._x = .25 * t,
                this._y = (r + o) / t,
                this._z = (a + u) / t) : e < s ? (t = 2 * Math.sqrt(1 + s - i - e),
                this._w = (a - u) / t,
                this._x = (r + o) / t,
                this._y = .25 * t,
                this._z = (l + c) / t) : (s = 2 * Math.sqrt(1 + e - i - s),
                this._w = (o - r) / s,
                this._x = (a + u) / s,
                this._y = (l + c) / s,
                this._z = .25 * s),
                this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromUnitVectors",
            value: function(e, t) {
                var n = e.dot(t) + 1;
                return n < 1e-6 ? (n = 0,
                Math.abs(e.x) > Math.abs(e.z) ? (this._x = -e.y,
                this._y = e.x,
                this._z = 0) : (this._x = 0,
                this._y = -e.z,
                this._z = e.y)) : (this._x = e.y * t.z - e.z * t.y,
                this._y = e.z * t.x - e.x * t.z,
                this._z = e.x * t.y - e.y * t.x),
                this._w = n,
                this.normalize()
            }
        }, {
            key: "angleTo",
            value: function(e) {
                return 2 * Math.acos(Math.abs(gn.clamp(this.dot(e), -1, 1)))
            }
        }, {
            key: "rotateTowards",
            value: function(e, t) {
                var n = this.angleTo(e);
                if (0 === n)
                    return this;
                n = Math.min(1, t / n);
                return this.slerp(e, n),
                this
            }
        }, {
            key: "identity",
            value: function() {
                return this.set(0, 0, 0, 1)
            }
        }, {
            key: "invert",
            value: function() {
                return this.conjugate()
            }
        }, {
            key: "conjugate",
            value: function() {
                return this._x *= -1,
                this._y *= -1,
                this._z *= -1,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "dot",
            value: function(e) {
                return this._x * e._x + this._y * e._y + this._z * e._z + this._w * e._w
            }
        }, {
            key: "lengthSq",
            value: function() {
                return this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w
            }
        }, {
            key: "length",
            value: function() {
                return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w)
            }
        }, {
            key: "normalize",
            value: function() {
                var e = this.length();
                return 0 === e ? (this._x = 0,
                this._y = 0,
                this._z = 0,
                this._w = 1) : (this._x = this._x * (e = 1 / e),
                this._y = this._y * e,
                this._z = this._z * e,
                this._w = this._w * e),
                this._onChangeCallback(),
                this
            }
        }, {
            key: "multiply",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),
                this.multiplyQuaternions(e, t)) : this.multiplyQuaternions(this, e)
            }
        }, {
            key: "premultiply",
            value: function(e) {
                return this.multiplyQuaternions(e, this)
            }
        }, {
            key: "multiplyQuaternions",
            value: function(e, t) {
                var n = e._x
                  , i = e._y
                  , r = e._z
                  , a = e._w
                  , o = t._x
                  , s = t._y
                  , e = t._z
                  , t = t._w;
                return this._x = n * t + a * o + i * e - r * s,
                this._y = i * t + a * s + r * o - n * e,
                this._z = r * t + a * e + n * s - i * o,
                this._w = a * t - n * o - i * s - r * e,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "slerp",
            value: function(e, t) {
                if (0 === t)
                    return this;
                if (1 === t)
                    return this.copy(e);
                var n = this._x
                  , i = this._y
                  , r = this._z
                  , a = this._w
                  , o = a * e._w + n * e._x + i * e._y + r * e._z;
                if (o < 0 ? (this._w = -e._w,
                this._x = -e._x,
                this._y = -e._y,
                this._z = -e._z,
                o = -o) : this.copy(e),
                1 <= o)
                    return this._w = a,
                    this._x = n,
                    this._y = i,
                    this._z = r,
                    this;
                e = 1 - o * o;
                if (e <= Number.EPSILON) {
                    var s = 1 - t;
                    return this._w = s * a + t * this._w,
                    this._x = s * n + t * this._x,
                    this._y = s * i + t * this._y,
                    this._z = s * r + t * this._z,
                    this.normalize(),
                    this._onChangeCallback(),
                    this
                }
                s = Math.sqrt(e),
                e = Math.atan2(s, o),
                o = Math.sin((1 - t) * e) / s,
                s = Math.sin(t * e) / s;
                return this._w = a * o + this._w * s,
                this._x = n * o + this._x * s,
                this._y = i * o + this._y * s,
                this._z = r * o + this._z * s,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e._x === this._x && e._y === this._y && e._z === this._z && e._w === this._w
            }
        }, {
            key: "fromArray",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return this._x = e[t],
                this._y = e[t + 1],
                this._z = e[t + 2],
                this._w = e[t + 3],
                this._onChangeCallback(),
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this._x,
                e[t + 1] = this._y,
                e[t + 2] = this._z,
                e[t + 3] = this._w,
                e
            }
        }, {
            key: "fromBufferAttribute",
            value: function(e, t) {
                return this._x = e.getX(t),
                this._y = e.getY(t),
                this._z = e.getZ(t),
                this._w = e.getW(t),
                this
            }
        }, {
            key: "_onChange",
            value: function(e) {
                return this._onChangeCallback = e,
                this
            }
        }, {
            key: "_onChangeCallback",
            value: function() {}
        }], [{
            key: "slerp",
            value: function(e, t, n, i) {
                return n.copy(e).slerp(t, i)
            }
        }, {
            key: "slerpFlat",
            value: function(e, t, n, i, r, a, o) {
                var s = n[i + 0]
                  , l = n[i + 1]
                  , u = n[i + 2]
                  , c = n[i + 3]
                  , d = r[a + 0]
                  , h = r[a + 1]
                  , p = r[a + 2]
                  , f = r[a + 3];
                c === f && s === d && l === h && u === p || (n = 1 - o,
                r = 0 <= (i = s * d + l * h + u * p + c * f) ? 1 : -1,
                (a = 1 - i * i) > Number.EPSILON && (a = Math.sqrt(a),
                i = Math.atan2(a, i * r),
                n = Math.sin(n * i) / a,
                o = Math.sin(o * i) / a),
                s = s * n + d * (r = o * r),
                l = l * n + h * r,
                u = u * n + p * r,
                c = c * n + f * r,
                n === 1 - o && (s *= o = 1 / Math.sqrt(s * s + l * l + u * u + c * c),
                l *= o,
                u *= o,
                c *= o)),
                e[t] = s,
                e[t + 1] = l,
                e[t + 2] = u,
                e[t + 3] = c
            }
        }, {
            key: "multiplyQuaternionsFlat",
            value: function(e, t, n, i, r, a) {
                var o = n[i]
                  , s = n[i + 1]
                  , l = n[i + 2]
                  , u = n[i + 3]
                  , c = r[a]
                  , n = r[a + 1]
                  , i = r[a + 2]
                  , a = r[a + 3];
                return e[t] = o * a + u * c + s * i - l * n,
                e[t + 1] = s * a + u * n + l * c - o * i,
                e[t + 2] = l * a + u * i + o * n - s * c,
                e[t + 3] = u * a - o * c - s * n - l * i,
                e
            }
        }]),
        r
    }()
      , Cn = function() {
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0;
            O(this, i),
            Object.defineProperty(this, "isVector3", {
                value: !0
            }),
            this.x = e,
            this.y = t,
            this.z = n
        }
        return h(i, [{
            key: "set",
            value: function(e, t, n) {
                return void 0 === n && (n = this.z),
                this.x = e,
                this.y = t,
                this.z = n,
                this
            }
        }, {
            key: "setScalar",
            value: function(e) {
                return this.x = e,
                this.y = e,
                this.z = e,
                this
            }
        }, {
            key: "setX",
            value: function(e) {
                return this.x = e,
                this
            }
        }, {
            key: "setY",
            value: function(e) {
                return this.y = e,
                this
            }
        }, {
            key: "setZ",
            value: function(e) {
                return this.z = e,
                this
            }
        }, {
            key: "setComponent",
            value: function(e, t) {
                switch (e) {
                case 0:
                    this.x = t;
                    break;
                case 1:
                    this.y = t;
                    break;
                case 2:
                    this.z = t;
                    break;
                default:
                    throw new Error("index is out of range: " + e)
                }
                return this
            }
        }, {
            key: "getComponent",
            value: function(e) {
                switch (e) {
                case 0:
                    return this.x;
                case 1:
                    return this.y;
                case 2:
                    return this.z;
                default:
                    throw new Error("index is out of range: " + e)
                }
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this.x,this.y,this.z)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.x = e.x,
                this.y = e.y,
                this.z = e.z,
                this
            }
        }, {
            key: "add",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
                this.addVectors(e, t)) : (this.x += e.x,
                this.y += e.y,
                this.z += e.z,
                this)
            }
        }, {
            key: "addScalar",
            value: function(e) {
                return this.x += e,
                this.y += e,
                this.z += e,
                this
            }
        }, {
            key: "addVectors",
            value: function(e, t) {
                return this.x = e.x + t.x,
                this.y = e.y + t.y,
                this.z = e.z + t.z,
                this
            }
        }, {
            key: "addScaledVector",
            value: function(e, t) {
                return this.x += e.x * t,
                this.y += e.y * t,
                this.z += e.z * t,
                this
            }
        }, {
            key: "sub",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),
                this.subVectors(e, t)) : (this.x -= e.x,
                this.y -= e.y,
                this.z -= e.z,
                this)
            }
        }, {
            key: "subScalar",
            value: function(e) {
                return this.x -= e,
                this.y -= e,
                this.z -= e,
                this
            }
        }, {
            key: "subVectors",
            value: function(e, t) {
                return this.x = e.x - t.x,
                this.y = e.y - t.y,
                this.z = e.z - t.z,
                this
            }
        }, {
            key: "multiply",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),
                this.multiplyVectors(e, t)) : (this.x *= e.x,
                this.y *= e.y,
                this.z *= e.z,
                this)
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                return this.x *= e,
                this.y *= e,
                this.z *= e,
                this
            }
        }, {
            key: "multiplyVectors",
            value: function(e, t) {
                return this.x = e.x * t.x,
                this.y = e.y * t.y,
                this.z = e.z * t.z,
                this
            }
        }, {
            key: "applyEuler",
            value: function(e) {
                return e && e.isEuler || console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),
                this.applyQuaternion(Dn.setFromEuler(e))
            }
        }, {
            key: "applyAxisAngle",
            value: function(e, t) {
                return this.applyQuaternion(Dn.setFromAxisAngle(e, t))
            }
        }, {
            key: "applyMatrix3",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , i = this.z
                  , e = e.elements;
                return this.x = e[0] * t + e[3] * n + e[6] * i,
                this.y = e[1] * t + e[4] * n + e[7] * i,
                this.z = e[2] * t + e[5] * n + e[8] * i,
                this
            }
        }, {
            key: "applyNormalMatrix",
            value: function(e) {
                return this.applyMatrix3(e).normalize()
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , i = this.z
                  , r = e.elements
                  , e = 1 / (r[3] * t + r[7] * n + r[11] * i + r[15]);
                return this.x = (r[0] * t + r[4] * n + r[8] * i + r[12]) * e,
                this.y = (r[1] * t + r[5] * n + r[9] * i + r[13]) * e,
                this.z = (r[2] * t + r[6] * n + r[10] * i + r[14]) * e,
                this
            }
        }, {
            key: "applyQuaternion",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , i = this.z
                  , r = e.x
                  , a = e.y
                  , o = e.z
                  , s = e.w
                  , l = s * t + a * i - o * n
                  , u = s * n + o * t - r * i
                  , e = s * i + r * n - a * t
                  , i = -r * t - a * n - o * i;
                return this.x = l * s + i * -r + u * -o - e * -a,
                this.y = u * s + i * -a + e * -r - l * -o,
                this.z = e * s + i * -o + l * -a - u * -r,
                this
            }
        }, {
            key: "project",
            value: function(e) {
                return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)
            }
        }, {
            key: "unproject",
            value: function(e) {
                return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)
            }
        }, {
            key: "transformDirection",
            value: function(e) {
                var t = this.x
                  , n = this.y
                  , i = this.z
                  , e = e.elements;
                return this.x = e[0] * t + e[4] * n + e[8] * i,
                this.y = e[1] * t + e[5] * n + e[9] * i,
                this.z = e[2] * t + e[6] * n + e[10] * i,
                this.normalize()
            }
        }, {
            key: "divide",
            value: function(e) {
                return this.x /= e.x,
                this.y /= e.y,
                this.z /= e.z,
                this
            }
        }, {
            key: "divideScalar",
            value: function(e) {
                return this.multiplyScalar(1 / e)
            }
        }, {
            key: "min",
            value: function(e) {
                return this.x = Math.min(this.x, e.x),
                this.y = Math.min(this.y, e.y),
                this.z = Math.min(this.z, e.z),
                this
            }
        }, {
            key: "max",
            value: function(e) {
                return this.x = Math.max(this.x, e.x),
                this.y = Math.max(this.y, e.y),
                this.z = Math.max(this.z, e.z),
                this
            }
        }, {
            key: "clamp",
            value: function(e, t) {
                return this.x = Math.max(e.x, Math.min(t.x, this.x)),
                this.y = Math.max(e.y, Math.min(t.y, this.y)),
                this.z = Math.max(e.z, Math.min(t.z, this.z)),
                this
            }
        }, {
            key: "clampScalar",
            value: function(e, t) {
                return this.x = Math.max(e, Math.min(t, this.x)),
                this.y = Math.max(e, Math.min(t, this.y)),
                this.z = Math.max(e, Math.min(t, this.z)),
                this
            }
        }, {
            key: "clampLength",
            value: function(e, t) {
                var n = this.length();
                return this.divideScalar(n || 1).multiplyScalar(Math.max(e, Math.min(t, n)))
            }
        }, {
            key: "floor",
            value: function() {
                return this.x = Math.floor(this.x),
                this.y = Math.floor(this.y),
                this.z = Math.floor(this.z),
                this
            }
        }, {
            key: "ceil",
            value: function() {
                return this.x = Math.ceil(this.x),
                this.y = Math.ceil(this.y),
                this.z = Math.ceil(this.z),
                this
            }
        }, {
            key: "round",
            value: function() {
                return this.x = Math.round(this.x),
                this.y = Math.round(this.y),
                this.z = Math.round(this.z),
                this
            }
        }, {
            key: "roundToZero",
            value: function() {
                return this.x = this.x < 0 ? Math.ceil(this.x) : Math.floor(this.x),
                this.y = this.y < 0 ? Math.ceil(this.y) : Math.floor(this.y),
                this.z = this.z < 0 ? Math.ceil(this.z) : Math.floor(this.z),
                this
            }
        }, {
            key: "negate",
            value: function() {
                return this.x = -this.x,
                this.y = -this.y,
                this.z = -this.z,
                this
            }
        }, {
            key: "dot",
            value: function(e) {
                return this.x * e.x + this.y * e.y + this.z * e.z
            }
        }, {
            key: "lengthSq",
            value: function() {
                return this.x * this.x + this.y * this.y + this.z * this.z
            }
        }, {
            key: "length",
            value: function() {
                return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z)
            }
        }, {
            key: "manhattanLength",
            value: function() {
                return Math.abs(this.x) + Math.abs(this.y) + Math.abs(this.z)
            }
        }, {
            key: "normalize",
            value: function() {
                return this.divideScalar(this.length() || 1)
            }
        }, {
            key: "setLength",
            value: function(e) {
                return this.normalize().multiplyScalar(e)
            }
        }, {
            key: "lerp",
            value: function(e, t) {
                return this.x += (e.x - this.x) * t,
                this.y += (e.y - this.y) * t,
                this.z += (e.z - this.z) * t,
                this
            }
        }, {
            key: "lerpVectors",
            value: function(e, t, n) {
                return this.x = e.x + (t.x - e.x) * n,
                this.y = e.y + (t.y - e.y) * n,
                this.z = e.z + (t.z - e.z) * n,
                this
            }
        }, {
            key: "cross",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),
                this.crossVectors(e, t)) : this.crossVectors(this, e)
            }
        }, {
            key: "crossVectors",
            value: function(e, t) {
                var n = e.x
                  , i = e.y
                  , r = e.z
                  , a = t.x
                  , e = t.y
                  , t = t.z;
                return this.x = i * t - r * e,
                this.y = r * a - n * t,
                this.z = n * e - i * a,
                this
            }
        }, {
            key: "projectOnVector",
            value: function(e) {
                var t = e.lengthSq();
                if (0 === t)
                    return this.set(0, 0, 0);
                t = e.dot(this) / t;
                return this.copy(e).multiplyScalar(t)
            }
        }, {
            key: "projectOnPlane",
            value: function(e) {
                return Pn.copy(this).projectOnVector(e),
                this.sub(Pn)
            }
        }, {
            key: "reflect",
            value: function(e) {
                return this.sub(Pn.copy(e).multiplyScalar(2 * this.dot(e)))
            }
        }, {
            key: "angleTo",
            value: function(e) {
                var t = Math.sqrt(this.lengthSq() * e.lengthSq());
                if (0 === t)
                    return Math.PI / 2;
                t = this.dot(e) / t;
                return Math.acos(gn.clamp(t, -1, 1))
            }
        }, {
            key: "distanceTo",
            value: function(e) {
                return Math.sqrt(this.distanceToSquared(e))
            }
        }, {
            key: "distanceToSquared",
            value: function(e) {
                var t = this.x - e.x
                  , n = this.y - e.y
                  , e = this.z - e.z;
                return t * t + n * n + e * e
            }
        }, {
            key: "manhattanDistanceTo",
            value: function(e) {
                return Math.abs(this.x - e.x) + Math.abs(this.y - e.y) + Math.abs(this.z - e.z)
            }
        }, {
            key: "setFromSpherical",
            value: function(e) {
                return this.setFromSphericalCoords(e.radius, e.phi, e.theta)
            }
        }, {
            key: "setFromSphericalCoords",
            value: function(e, t, n) {
                var i = Math.sin(t) * e;
                return this.x = i * Math.sin(n),
                this.y = Math.cos(t) * e,
                this.z = i * Math.cos(n),
                this
            }
        }, {
            key: "setFromCylindrical",
            value: function(e) {
                return this.setFromCylindricalCoords(e.radius, e.theta, e.y)
            }
        }, {
            key: "setFromCylindricalCoords",
            value: function(e, t, n) {
                return this.x = e * Math.sin(t),
                this.y = n,
                this.z = e * Math.cos(t),
                this
            }
        }, {
            key: "setFromMatrixPosition",
            value: function(e) {
                e = e.elements;
                return this.x = e[12],
                this.y = e[13],
                this.z = e[14],
                this
            }
        }, {
            key: "setFromMatrixScale",
            value: function(e) {
                var t = this.setFromMatrixColumn(e, 0).length()
                  , n = this.setFromMatrixColumn(e, 1).length()
                  , e = this.setFromMatrixColumn(e, 2).length();
                return this.x = t,
                this.y = n,
                this.z = e,
                this
            }
        }, {
            key: "setFromMatrixColumn",
            value: function(e, t) {
                return this.fromArray(e.elements, 4 * t)
            }
        }, {
            key: "setFromMatrix3Column",
            value: function(e, t) {
                return this.fromArray(e.elements, 3 * t)
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.x === this.x && e.y === this.y && e.z === this.z
            }
        }, {
            key: "fromArray",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return this.x = e[t],
                this.y = e[t + 1],
                this.z = e[t + 2],
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this.x,
                e[t + 1] = this.y,
                e[t + 2] = this.z,
                e
            }
        }, {
            key: "fromBufferAttribute",
            value: function(e, t, n) {
                return void 0 !== n && console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),
                this.x = e.getX(t),
                this.y = e.getY(t),
                this.z = e.getZ(t),
                this
            }
        }, {
            key: "random",
            value: function() {
                return this.x = Math.random(),
                this.y = Math.random(),
                this.z = Math.random(),
                this
            }
        }]),
        i
    }()
      , Pn = new Cn
      , Dn = new Sn
      , kn = function() {
        function n(e, t) {
            O(this, n),
            Object.defineProperty(this, "isBox3", {
                value: !0
            }),
            this.min = void 0 !== e ? e : new Cn(1 / 0,1 / 0,1 / 0),
            this.max = void 0 !== t ? t : new Cn(-1 / 0,-1 / 0,-1 / 0)
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.min.copy(e),
                this.max.copy(t),
                this
            }
        }, {
            key: "setFromArray",
            value: function(e) {
                for (var t = 1 / 0, n = 1 / 0, i = 1 / 0, r = -1 / 0, a = -1 / 0, o = -1 / 0, s = 0, l = e.length; s < l; s += 3) {
                    var u = e[s]
                      , c = e[s + 1]
                      , d = e[s + 2];
                    u < t && (t = u),
                    c < n && (n = c),
                    d < i && (i = d),
                    r < u && (r = u),
                    a < c && (a = c),
                    o < d && (o = d)
                }
                return this.min.set(t, n, i),
                this.max.set(r, a, o),
                this
            }
        }, {
            key: "setFromBufferAttribute",
            value: function(e) {
                for (var t = 1 / 0, n = 1 / 0, i = 1 / 0, r = -1 / 0, a = -1 / 0, o = -1 / 0, s = 0, l = e.count; s < l; s++) {
                    var u = e.getX(s)
                      , c = e.getY(s)
                      , d = e.getZ(s);
                    u < t && (t = u),
                    c < n && (n = c),
                    d < i && (i = d),
                    r < u && (r = u),
                    a < c && (a = c),
                    o < d && (o = d)
                }
                return this.min.set(t, n, i),
                this.max.set(r, a, o),
                this
            }
        }, {
            key: "setFromPoints",
            value: function(e) {
                this.makeEmpty();
                for (var t = 0, n = e.length; t < n; t++)
                    this.expandByPoint(e[t]);
                return this
            }
        }, {
            key: "setFromCenterAndSize",
            value: function(e, t) {
                t = Rn.copy(t).multiplyScalar(.5);
                return this.min.copy(e).sub(t),
                this.max.copy(e).add(t),
                this
            }
        }, {
            key: "setFromObject",
            value: function(e) {
                return this.makeEmpty(),
                this.expandByObject(e)
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.min.copy(e.min),
                this.max.copy(e.max),
                this
            }
        }, {
            key: "makeEmpty",
            value: function() {
                return this.min.x = this.min.y = this.min.z = 1 / 0,
                this.max.x = this.max.y = this.max.z = -1 / 0,
                this
            }
        }, {
            key: "isEmpty",
            value: function() {
                return this.max.x < this.min.x || this.max.y < this.min.y || this.max.z < this.min.z
            }
        }, {
            key: "getCenter",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Box3: .getCenter() target is now required"),
                e = new Cn),
                this.isEmpty() ? e.set(0, 0, 0) : e.addVectors(this.min, this.max).multiplyScalar(.5)
            }
        }, {
            key: "getSize",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Box3: .getSize() target is now required"),
                e = new Cn),
                this.isEmpty() ? e.set(0, 0, 0) : e.subVectors(this.max, this.min)
            }
        }, {
            key: "expandByPoint",
            value: function(e) {
                return this.min.min(e),
                this.max.max(e),
                this
            }
        }, {
            key: "expandByVector",
            value: function(e) {
                return this.min.sub(e),
                this.max.add(e),
                this
            }
        }, {
            key: "expandByScalar",
            value: function(e) {
                return this.min.addScalar(-e),
                this.max.addScalar(e),
                this
            }
        }, {
            key: "expandByObject",
            value: function(e) {
                e.updateWorldMatrix(!1, !1);
                var t = e.geometry;
                void 0 !== t && (null === t.boundingBox && t.computeBoundingBox(),
                Fn.copy(t.boundingBox),
                Fn.applyMatrix4(e.matrixWorld),
                this.union(Fn));
                for (var n = e.children, i = 0, r = n.length; i < r; i++)
                    this.expandByObject(n[i]);
                return this
            }
        }, {
            key: "containsPoint",
            value: function(e) {
                return !(e.x < this.min.x || e.x > this.max.x || e.y < this.min.y || e.y > this.max.y || e.z < this.min.z || e.z > this.max.z)
            }
        }, {
            key: "containsBox",
            value: function(e) {
                return this.min.x <= e.min.x && e.max.x <= this.max.x && this.min.y <= e.min.y && e.max.y <= this.max.y && this.min.z <= e.min.z && e.max.z <= this.max.z
            }
        }, {
            key: "getParameter",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Box3: .getParameter() target is now required"),
                t = new Cn),
                t.set((e.x - this.min.x) / (this.max.x - this.min.x), (e.y - this.min.y) / (this.max.y - this.min.y), (e.z - this.min.z) / (this.max.z - this.min.z))
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return !(e.max.x < this.min.x || e.min.x > this.max.x || e.max.y < this.min.y || e.min.y > this.max.y || e.max.z < this.min.z || e.min.z > this.max.z)
            }
        }, {
            key: "intersectsSphere",
            value: function(e) {
                return this.clampPoint(e.center, Rn),
                Rn.distanceToSquared(e.center) <= e.radius * e.radius
            }
        }, {
            key: "intersectsPlane",
            value: function(e) {
                var t, n = 0 < e.normal.x ? (t = e.normal.x * this.min.x,
                e.normal.x * this.max.x) : (t = e.normal.x * this.max.x,
                e.normal.x * this.min.x);
                return 0 < e.normal.y ? (t += e.normal.y * this.min.y,
                n += e.normal.y * this.max.y) : (t += e.normal.y * this.max.y,
                n += e.normal.y * this.min.y),
                0 < e.normal.z ? (t += e.normal.z * this.min.z,
                n += e.normal.z * this.max.z) : (t += e.normal.z * this.max.z,
                n += e.normal.z * this.min.z),
                t <= -e.constant && n >= -e.constant
            }
        }, {
            key: "intersectsTriangle",
            value: function(e) {
                return !this.isEmpty() && (this.getCenter(Hn),
                Vn.subVectors(this.max, Hn),
                In.subVectors(e.a, Hn),
                On.subVectors(e.b, Hn),
                zn.subVectors(e.c, Hn),
                Nn.subVectors(On, In),
                Un.subVectors(zn, On),
                Gn.subVectors(In, zn),
                !!Bn([0, -Nn.z, Nn.y, 0, -Un.z, Un.y, 0, -Gn.z, Gn.y, Nn.z, 0, -Nn.x, Un.z, 0, -Un.x, Gn.z, 0, -Gn.x, -Nn.y, Nn.x, 0, -Un.y, Un.x, 0, -Gn.y, Gn.x, 0], In, On, zn, Vn) && (!!Bn([1, 0, 0, 0, 1, 0, 0, 0, 1], In, On, zn, Vn) && (jn.crossVectors(Nn, Un),
                Bn([jn.x, jn.y, jn.z], In, On, zn, Vn))))
            }
        }, {
            key: "clampPoint",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Box3: .clampPoint() target is now required"),
                t = new Cn),
                t.copy(e).clamp(this.min, this.max)
            }
        }, {
            key: "distanceToPoint",
            value: function(e) {
                return Rn.copy(e).clamp(this.min, this.max).sub(e).length()
            }
        }, {
            key: "getBoundingSphere",
            value: function(e) {
                return void 0 === e && console.error("THREE.Box3: .getBoundingSphere() target is now required"),
                this.getCenter(e.center),
                e.radius = .5 * this.getSize(Rn).length(),
                e
            }
        }, {
            key: "intersect",
            value: function(e) {
                return this.min.max(e.min),
                this.max.min(e.max),
                this.isEmpty() && this.makeEmpty(),
                this
            }
        }, {
            key: "union",
            value: function(e) {
                return this.min.min(e.min),
                this.max.max(e.max),
                this
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                return this.isEmpty() || (Ln[0].set(this.min.x, this.min.y, this.min.z).applyMatrix4(e),
                Ln[1].set(this.min.x, this.min.y, this.max.z).applyMatrix4(e),
                Ln[2].set(this.min.x, this.max.y, this.min.z).applyMatrix4(e),
                Ln[3].set(this.min.x, this.max.y, this.max.z).applyMatrix4(e),
                Ln[4].set(this.max.x, this.min.y, this.min.z).applyMatrix4(e),
                Ln[5].set(this.max.x, this.min.y, this.max.z).applyMatrix4(e),
                Ln[6].set(this.max.x, this.max.y, this.min.z).applyMatrix4(e),
                Ln[7].set(this.max.x, this.max.y, this.max.z).applyMatrix4(e),
                this.setFromPoints(Ln)),
                this
            }
        }, {
            key: "translate",
            value: function(e) {
                return this.min.add(e),
                this.max.add(e),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.min.equals(this.min) && e.max.equals(this.max)
            }
        }]),
        n
    }();
    function Bn(e, t, n, i, r) {
        for (var a = 0, o = e.length - 3; a <= o; a += 3) {
            Wn.fromArray(e, a);
            var s = r.x * Math.abs(Wn.x) + r.y * Math.abs(Wn.y) + r.z * Math.abs(Wn.z)
              , l = t.dot(Wn)
              , u = n.dot(Wn)
              , c = i.dot(Wn);
            if (Math.max(-Math.max(l, u, c), Math.min(l, u, c)) > s)
                return !1
        }
        return !0
    }
    var Ln = [new Cn, new Cn, new Cn, new Cn, new Cn, new Cn, new Cn, new Cn]
      , Rn = new Cn
      , Fn = new kn
      , In = new Cn
      , On = new Cn
      , zn = new Cn
      , Nn = new Cn
      , Un = new Cn
      , Gn = new Cn
      , Hn = new Cn
      , Vn = new Cn
      , jn = new Cn
      , Wn = new Cn
      , Xn = new kn
      , qn = function() {
        function n(e, t) {
            O(this, n),
            this.center = void 0 !== e ? e : new Cn,
            this.radius = void 0 !== t ? t : -1
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.center.copy(e),
                this.radius = t,
                this
            }
        }, {
            key: "setFromPoints",
            value: function(e, t) {
                var n = this.center;
                void 0 !== t ? n.copy(t) : Xn.setFromPoints(e).getCenter(n);
                for (var i = 0, r = 0, a = e.length; r < a; r++)
                    i = Math.max(i, n.distanceToSquared(e[r]));
                return this.radius = Math.sqrt(i),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.center.copy(e.center),
                this.radius = e.radius,
                this
            }
        }, {
            key: "isEmpty",
            value: function() {
                return this.radius < 0
            }
        }, {
            key: "makeEmpty",
            value: function() {
                return this.center.set(0, 0, 0),
                this.radius = -1,
                this
            }
        }, {
            key: "containsPoint",
            value: function(e) {
                return e.distanceToSquared(this.center) <= this.radius * this.radius
            }
        }, {
            key: "distanceToPoint",
            value: function(e) {
                return e.distanceTo(this.center) - this.radius
            }
        }, {
            key: "intersectsSphere",
            value: function(e) {
                var t = this.radius + e.radius;
                return e.center.distanceToSquared(this.center) <= t * t
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return e.intersectsSphere(this)
            }
        }, {
            key: "intersectsPlane",
            value: function(e) {
                return Math.abs(e.distanceToPoint(this.center)) <= this.radius
            }
        }, {
            key: "clampPoint",
            value: function(e, t) {
                var n = this.center.distanceToSquared(e);
                return void 0 === t && (console.warn("THREE.Sphere: .clampPoint() target is now required"),
                t = new Cn),
                t.copy(e),
                n > this.radius * this.radius && (t.sub(this.center).normalize(),
                t.multiplyScalar(this.radius).add(this.center)),
                t
            }
        }, {
            key: "getBoundingBox",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Sphere: .getBoundingBox() target is now required"),
                e = new kn),
                this.isEmpty() ? e.makeEmpty() : (e.set(this.center, this.center),
                e.expandByScalar(this.radius)),
                e
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                return this.center.applyMatrix4(e),
                this.radius = this.radius * e.getMaxScaleOnAxis(),
                this
            }
        }, {
            key: "translate",
            value: function(e) {
                return this.center.add(e),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.center.equals(this.center) && e.radius === this.radius
            }
        }]),
        n
    }()
      , Jn = new Cn
      , Yn = new Cn
      , Zn = new Cn
      , Qn = new Cn
      , Kn = new Cn
      , $n = new Cn
      , ei = new Cn
      , ti = function() {
        function n(e, t) {
            O(this, n),
            this.origin = void 0 !== e ? e : new Cn,
            this.direction = void 0 !== t ? t : new Cn(0,0,-1)
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.origin.copy(e),
                this.direction.copy(t),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.origin.copy(e.origin),
                this.direction.copy(e.direction),
                this
            }
        }, {
            key: "at",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Ray: .at() target is now required"),
                t = new Cn),
                t.copy(this.direction).multiplyScalar(e).add(this.origin)
            }
        }, {
            key: "lookAt",
            value: function(e) {
                return this.direction.copy(e).sub(this.origin).normalize(),
                this
            }
        }, {
            key: "recast",
            value: function(e) {
                return this.origin.copy(this.at(e, Jn)),
                this
            }
        }, {
            key: "closestPointToPoint",
            value: function(e, t) {
                void 0 === t && (console.warn("THREE.Ray: .closestPointToPoint() target is now required"),
                t = new Cn),
                t.subVectors(e, this.origin);
                e = t.dot(this.direction);
                return e < 0 ? t.copy(this.origin) : t.copy(this.direction).multiplyScalar(e).add(this.origin)
            }
        }, {
            key: "distanceToPoint",
            value: function(e) {
                return Math.sqrt(this.distanceSqToPoint(e))
            }
        }, {
            key: "distanceSqToPoint",
            value: function(e) {
                var t = Jn.subVectors(e, this.origin).dot(this.direction);
                return t < 0 ? this.origin.distanceToSquared(e) : (Jn.copy(this.direction).multiplyScalar(t).add(this.origin),
                Jn.distanceToSquared(e))
            }
        }, {
            key: "distanceSqToSegment",
            value: function(e, t, n, i) {
                Yn.copy(e).add(t).multiplyScalar(.5),
                Zn.copy(t).sub(e).normalize(),
                Qn.copy(this.origin).sub(Yn);
                var r, a, o = .5 * e.distanceTo(t), s = -this.direction.dot(Zn), l = Qn.dot(this.direction), u = -Qn.dot(Zn), c = Qn.lengthSq(), e = Math.abs(1 - s * s);
                return c = 0 < e ? (a = s * l - u,
                t = o * e,
                0 <= (r = s * u - l) ? -t <= a ? a <= t ? (r *= e = 1 / e) * (r + s * (a *= e) + 2 * l) + a * (s * r + a + 2 * u) + c : (a = o,
                -(r = Math.max(0, -(s * a + l))) * r + a * (a + 2 * u) + c) : (a = -o,
                -(r = Math.max(0, -(s * a + l))) * r + a * (a + 2 * u) + c) : a <= -t ? -(r = Math.max(0, -(-s * o + l))) * r + (a = 0 < r ? -o : Math.min(Math.max(-o, -u), o)) * (a + 2 * u) + c : a <= t ? (r = 0,
                (a = Math.min(Math.max(-o, -u), o)) * (a + 2 * u) + c) : -(r = Math.max(0, -(s * o + l))) * r + (a = 0 < r ? o : Math.min(Math.max(-o, -u), o)) * (a + 2 * u) + c) : (a = 0 < s ? -o : o,
                -(r = Math.max(0, -(s * a + l))) * r + a * (a + 2 * u) + c),
                n && n.copy(this.direction).multiplyScalar(r).add(this.origin),
                i && i.copy(Zn).multiplyScalar(a).add(Yn),
                c
            }
        }, {
            key: "intersectSphere",
            value: function(e, t) {
                Jn.subVectors(e.center, this.origin);
                var n = Jn.dot(this.direction)
                  , i = Jn.dot(Jn) - n * n
                  , e = e.radius * e.radius;
                if (e < i)
                    return null;
                e = Math.sqrt(e - i),
                i = n - e,
                e = n + e;
                return i < 0 && e < 0 ? null : i < 0 ? this.at(e, t) : this.at(i, t)
            }
        }, {
            key: "intersectsSphere",
            value: function(e) {
                return this.distanceSqToPoint(e.center) <= e.radius * e.radius
            }
        }, {
            key: "distanceToPlane",
            value: function(e) {
                var t = e.normal.dot(this.direction);
                if (0 === t)
                    return 0 === e.distanceToPoint(this.origin) ? 0 : null;
                t = -(this.origin.dot(e.normal) + e.constant) / t;
                return 0 <= t ? t : null
            }
        }, {
            key: "intersectPlane",
            value: function(e, t) {
                e = this.distanceToPlane(e);
                return null === e ? null : this.at(e, t)
            }
        }, {
            key: "intersectsPlane",
            value: function(e) {
                var t = e.distanceToPoint(this.origin);
                return 0 === t || e.normal.dot(this.direction) * t < 0
            }
        }, {
            key: "intersectBox",
            value: function(e, t) {
                var n, i, r, a = 1 / this.direction.x, o = 1 / this.direction.y, s = 1 / this.direction.z, l = this.origin, a = 0 <= a ? (n = (e.min.x - l.x) * a,
                (e.max.x - l.x) * a) : (n = (e.max.x - l.x) * a,
                (e.min.x - l.x) * a), o = 0 <= o ? (i = (e.min.y - l.y) * o,
                (e.max.y - l.y) * o) : (i = (e.max.y - l.y) * o,
                (e.min.y - l.y) * o);
                return o < n || a < i ? null : ((n < i || n != n) && (n = i),
                (o < a || a != a) && (a = o),
                (s = 0 <= s ? (r = (e.min.z - l.z) * s,
                (e.max.z - l.z) * s) : (r = (e.max.z - l.z) * s,
                (e.min.z - l.z) * s)) < n || a < r ? null : ((n < r || n != n) && (n = r),
                (a = s < a || a != a ? s : a) < 0 ? null : this.at(0 <= n ? n : a, t)))
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return null !== this.intersectBox(e, Jn)
            }
        }, {
            key: "intersectTriangle",
            value: function(e, t, n, i, r) {
                Kn.subVectors(t, e),
                $n.subVectors(n, e),
                ei.crossVectors(Kn, $n);
                n = this.direction.dot(ei);
                if (0 < n) {
                    if (i)
                        return null;
                    a = 1
                } else {
                    if (!(n < 0))
                        return null;
                    a = -1,
                    n = -n
                }
                Qn.subVectors(this.origin, e);
                i = a * this.direction.dot($n.crossVectors(Qn, $n));
                if (i < 0)
                    return null;
                e = a * this.direction.dot(Kn.cross(Qn));
                if (e < 0)
                    return null;
                if (n < i + e)
                    return null;
                var a = -a * Qn.dot(ei);
                return a < 0 ? null : this.at(a / n, r)
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                return this.origin.applyMatrix4(e),
                this.direction.transformDirection(e),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.origin.equals(this.origin) && e.direction.equals(this.direction)
            }
        }]),
        n
    }()
      , ni = function() {
        function e() {
            O(this, e),
            Object.defineProperty(this, "isMatrix4", {
                value: !0
            }),
            this.elements = [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1],
            0 < arguments.length && console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")
        }
        return h(e, [{
            key: "set",
            value: function(e, t, n, i, r, a, o, s, l, u, c, d, h, p, f, m) {
                var v = this.elements;
                return v[0] = e,
                v[4] = t,
                v[8] = n,
                v[12] = i,
                v[1] = r,
                v[5] = a,
                v[9] = o,
                v[13] = s,
                v[2] = l,
                v[6] = u,
                v[10] = c,
                v[14] = d,
                v[3] = h,
                v[7] = p,
                v[11] = f,
                v[15] = m,
                this
            }
        }, {
            key: "identity",
            value: function() {
                return this.set(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new e).fromArray(this.elements)
            }
        }, {
            key: "copy",
            value: function(e) {
                var t = this.elements
                  , e = e.elements;
                return t[0] = e[0],
                t[1] = e[1],
                t[2] = e[2],
                t[3] = e[3],
                t[4] = e[4],
                t[5] = e[5],
                t[6] = e[6],
                t[7] = e[7],
                t[8] = e[8],
                t[9] = e[9],
                t[10] = e[10],
                t[11] = e[11],
                t[12] = e[12],
                t[13] = e[13],
                t[14] = e[14],
                t[15] = e[15],
                this
            }
        }, {
            key: "copyPosition",
            value: function(e) {
                var t = this.elements
                  , e = e.elements;
                return t[12] = e[12],
                t[13] = e[13],
                t[14] = e[14],
                this
            }
        }, {
            key: "extractBasis",
            value: function(e, t, n) {
                return e.setFromMatrixColumn(this, 0),
                t.setFromMatrixColumn(this, 1),
                n.setFromMatrixColumn(this, 2),
                this
            }
        }, {
            key: "makeBasis",
            value: function(e, t, n) {
                return this.set(e.x, t.x, n.x, 0, e.y, t.y, n.y, 0, e.z, t.z, n.z, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "extractRotation",
            value: function(e) {
                var t = this.elements
                  , n = e.elements
                  , i = 1 / ii.setFromMatrixColumn(e, 0).length()
                  , r = 1 / ii.setFromMatrixColumn(e, 1).length()
                  , e = 1 / ii.setFromMatrixColumn(e, 2).length();
                return t[0] = n[0] * i,
                t[1] = n[1] * i,
                t[2] = n[2] * i,
                t[3] = 0,
                t[4] = n[4] * r,
                t[5] = n[5] * r,
                t[6] = n[6] * r,
                t[7] = 0,
                t[8] = n[8] * e,
                t[9] = n[9] * e,
                t[10] = n[10] * e,
                t[11] = 0,
                t[12] = 0,
                t[13] = 0,
                t[14] = 0,
                t[15] = 1,
                this
            }
        }, {
            key: "makeRotationFromEuler",
            value: function(e) {
                e && e.isEuler || console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");
                var t, n, i, r, a, o, s, l, u, c, d, h = this.elements, p = e.x, f = e.y, m = e.z, v = Math.cos(p), g = Math.sin(p), y = Math.cos(f), w = Math.sin(f), p = Math.cos(m), f = Math.sin(m);
                return "XYZ" === e.order ? (t = v * p,
                i = v * f,
                n = g * p,
                m = g * f,
                h[0] = y * p,
                h[4] = -y * f,
                h[8] = w,
                h[1] = i + n * w,
                h[5] = t - m * w,
                h[9] = -g * y,
                h[2] = m - t * w,
                h[6] = n + i * w,
                h[10] = v * y) : "YXZ" === e.order ? (t = y * f,
                n = w * p,
                h[0] = (r = y * p) + (i = w * f) * g,
                h[4] = n * g - t,
                h[8] = v * w,
                h[1] = v * f,
                h[5] = v * p,
                h[9] = -g,
                h[2] = t * g - n,
                h[6] = i + r * g,
                h[10] = v * y) : "ZXY" === e.order ? (r = y * f,
                a = w * p,
                h[0] = (s = y * p) - (o = w * f) * g,
                h[4] = -v * f,
                h[8] = a + r * g,
                h[1] = r + a * g,
                h[5] = v * p,
                h[9] = o - s * g,
                h[2] = -v * w,
                h[6] = g,
                h[10] = v * y) : "ZYX" === e.order ? (a = v * p,
                o = v * f,
                l = g * p,
                s = g * f,
                h[0] = y * p,
                h[4] = l * w - o,
                h[8] = a * w + s,
                h[1] = y * f,
                h[5] = s * w + a,
                h[9] = o * w - l,
                h[2] = -w,
                h[6] = g * y,
                h[10] = v * y) : "YZX" === e.order ? (c = v * y,
                l = v * w,
                u = g * y,
                d = g * w,
                h[0] = y * p,
                h[4] = d - c * f,
                h[8] = u * f + l,
                h[1] = f,
                h[5] = v * p,
                h[9] = -g * p,
                h[2] = -w * p,
                h[6] = l * f + u,
                h[10] = c - d * f) : "XZY" === e.order && (u = v * y,
                c = v * w,
                d = g * y,
                e = g * w,
                h[0] = y * p,
                h[4] = -f,
                h[8] = w * p,
                h[1] = u * f + e,
                h[5] = v * p,
                h[9] = c * f - d,
                h[2] = d * f - c,
                h[6] = g * p,
                h[10] = e * f + u),
                h[3] = 0,
                h[7] = 0,
                h[11] = 0,
                h[12] = 0,
                h[13] = 0,
                h[14] = 0,
                h[15] = 1,
                this
            }
        }, {
            key: "makeRotationFromQuaternion",
            value: function(e) {
                return this.compose(ai, e, oi)
            }
        }, {
            key: "lookAt",
            value: function(e, t, n) {
                var i = this.elements;
                return ui.subVectors(e, t),
                0 === ui.lengthSq() && (ui.z = 1),
                ui.normalize(),
                si.crossVectors(n, ui),
                0 === si.lengthSq() && (1 === Math.abs(n.z) ? ui.x += 1e-4 : ui.z += 1e-4,
                ui.normalize(),
                si.crossVectors(n, ui)),
                si.normalize(),
                li.crossVectors(ui, si),
                i[0] = si.x,
                i[4] = li.x,
                i[8] = ui.x,
                i[1] = si.y,
                i[5] = li.y,
                i[9] = ui.y,
                i[2] = si.z,
                i[6] = li.z,
                i[10] = ui.z,
                this
            }
        }, {
            key: "multiply",
            value: function(e, t) {
                return void 0 !== t ? (console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),
                this.multiplyMatrices(e, t)) : this.multiplyMatrices(this, e)
            }
        }, {
            key: "premultiply",
            value: function(e) {
                return this.multiplyMatrices(e, this)
            }
        }, {
            key: "multiplyMatrices",
            value: function(e, t) {
                var n = e.elements
                  , i = t.elements
                  , r = this.elements
                  , a = n[0]
                  , o = n[4]
                  , s = n[8]
                  , l = n[12]
                  , u = n[1]
                  , c = n[5]
                  , d = n[9]
                  , h = n[13]
                  , p = n[2]
                  , f = n[6]
                  , m = n[10]
                  , v = n[14]
                  , g = n[3]
                  , y = n[7]
                  , w = n[11]
                  , b = n[15]
                  , x = i[0]
                  , E = i[4]
                  , _ = i[8]
                  , M = i[12]
                  , A = i[1]
                  , T = i[5]
                  , S = i[9]
                  , C = i[13]
                  , P = i[2]
                  , D = i[6]
                  , k = i[10]
                  , B = i[14]
                  , e = i[3]
                  , t = i[7]
                  , n = i[11]
                  , i = i[15];
                return r[0] = a * x + o * A + s * P + l * e,
                r[4] = a * E + o * T + s * D + l * t,
                r[8] = a * _ + o * S + s * k + l * n,
                r[12] = a * M + o * C + s * B + l * i,
                r[1] = u * x + c * A + d * P + h * e,
                r[5] = u * E + c * T + d * D + h * t,
                r[9] = u * _ + c * S + d * k + h * n,
                r[13] = u * M + c * C + d * B + h * i,
                r[2] = p * x + f * A + m * P + v * e,
                r[6] = p * E + f * T + m * D + v * t,
                r[10] = p * _ + f * S + m * k + v * n,
                r[14] = p * M + f * C + m * B + v * i,
                r[3] = g * x + y * A + w * P + b * e,
                r[7] = g * E + y * T + w * D + b * t,
                r[11] = g * _ + y * S + w * k + b * n,
                r[15] = g * M + y * C + w * B + b * i,
                this
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                var t = this.elements;
                return t[0] *= e,
                t[4] *= e,
                t[8] *= e,
                t[12] *= e,
                t[1] *= e,
                t[5] *= e,
                t[9] *= e,
                t[13] *= e,
                t[2] *= e,
                t[6] *= e,
                t[10] *= e,
                t[14] *= e,
                t[3] *= e,
                t[7] *= e,
                t[11] *= e,
                t[15] *= e,
                this
            }
        }, {
            key: "determinant",
            value: function() {
                var e = this.elements
                  , t = e[0]
                  , n = e[4]
                  , i = e[8]
                  , r = e[12]
                  , a = e[1]
                  , o = e[5]
                  , s = e[9]
                  , l = e[13]
                  , u = e[2]
                  , c = e[6]
                  , d = e[10]
                  , h = e[14];
                return e[3] * (+r * s * c - i * l * c - r * o * d + n * l * d + i * o * h - n * s * h) + e[7] * (+t * s * h - t * l * d + r * a * d - i * a * h + i * l * u - r * s * u) + e[11] * (+t * l * c - t * o * h - r * a * c + n * a * h + r * o * u - n * l * u) + e[15] * (-i * o * u - t * s * c + t * o * d + i * a * c - n * a * d + n * s * u)
            }
        }, {
            key: "transpose",
            value: function() {
                var e = this.elements
                  , t = e[1];
                return e[1] = e[4],
                e[4] = t,
                t = e[2],
                e[2] = e[8],
                e[8] = t,
                t = e[6],
                e[6] = e[9],
                e[9] = t,
                t = e[3],
                e[3] = e[12],
                e[12] = t,
                t = e[7],
                e[7] = e[13],
                e[13] = t,
                t = e[11],
                e[11] = e[14],
                e[14] = t,
                this
            }
        }, {
            key: "setPosition",
            value: function(e, t, n) {
                var i = this.elements;
                return e.isVector3 ? (i[12] = e.x,
                i[13] = e.y,
                i[14] = e.z) : (i[12] = e,
                i[13] = t,
                i[14] = n),
                this
            }
        }, {
            key: "invert",
            value: function() {
                var e = this.elements
                  , t = e[0]
                  , n = e[1]
                  , i = e[2]
                  , r = e[3]
                  , a = e[4]
                  , o = e[5]
                  , s = e[6]
                  , l = e[7]
                  , u = e[8]
                  , c = e[9]
                  , d = e[10]
                  , h = e[11]
                  , p = e[12]
                  , f = e[13]
                  , m = e[14]
                  , v = e[15]
                  , g = c * m * l - f * d * l + f * s * h - o * m * h - c * s * v + o * d * v
                  , y = p * d * l - u * m * l - p * s * h + a * m * h + u * s * v - a * d * v
                  , w = u * f * l - p * c * l + p * o * h - a * f * h - u * o * v + a * c * v
                  , b = p * c * s - u * f * s - p * o * d + a * f * d + u * o * m - a * c * m
                  , x = t * g + n * y + i * w + r * b;
                if (0 == x)
                    return this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
                x = 1 / x;
                return e[0] = g * x,
                e[1] = (f * d * r - c * m * r - f * i * h + n * m * h + c * i * v - n * d * v) * x,
                e[2] = (o * m * r - f * s * r + f * i * l - n * m * l - o * i * v + n * s * v) * x,
                e[3] = (c * s * r - o * d * r - c * i * l + n * d * l + o * i * h - n * s * h) * x,
                e[4] = y * x,
                e[5] = (u * m * r - p * d * r + p * i * h - t * m * h - u * i * v + t * d * v) * x,
                e[6] = (p * s * r - a * m * r - p * i * l + t * m * l + a * i * v - t * s * v) * x,
                e[7] = (a * d * r - u * s * r + u * i * l - t * d * l - a * i * h + t * s * h) * x,
                e[8] = w * x,
                e[9] = (p * c * r - u * f * r - p * n * h + t * f * h + u * n * v - t * c * v) * x,
                e[10] = (a * f * r - p * o * r + p * n * l - t * f * l - a * n * v + t * o * v) * x,
                e[11] = (u * o * r - a * c * r - u * n * l + t * c * l + a * n * h - t * o * h) * x,
                e[12] = b * x,
                e[13] = (u * f * i - p * c * i + p * n * d - t * f * d - u * n * m + t * c * m) * x,
                e[14] = (p * o * i - a * f * i - p * n * s + t * f * s + a * n * m - t * o * m) * x,
                e[15] = (a * c * i - u * o * i + u * n * s - t * c * s - a * n * d + t * o * d) * x,
                this
            }
        }, {
            key: "scale",
            value: function(e) {
                var t = this.elements
                  , n = e.x
                  , i = e.y
                  , e = e.z;
                return t[0] *= n,
                t[4] *= i,
                t[8] *= e,
                t[1] *= n,
                t[5] *= i,
                t[9] *= e,
                t[2] *= n,
                t[6] *= i,
                t[10] *= e,
                t[3] *= n,
                t[7] *= i,
                t[11] *= e,
                this
            }
        }, {
            key: "getMaxScaleOnAxis",
            value: function() {
                var e = this.elements
                  , t = e[0] * e[0] + e[1] * e[1] + e[2] * e[2]
                  , n = e[4] * e[4] + e[5] * e[5] + e[6] * e[6]
                  , e = e[8] * e[8] + e[9] * e[9] + e[10] * e[10];
                return Math.sqrt(Math.max(t, n, e))
            }
        }, {
            key: "makeTranslation",
            value: function(e, t, n) {
                return this.set(1, 0, 0, e, 0, 1, 0, t, 0, 0, 1, n, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeRotationX",
            value: function(e) {
                var t = Math.cos(e)
                  , e = Math.sin(e);
                return this.set(1, 0, 0, 0, 0, t, -e, 0, 0, e, t, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeRotationY",
            value: function(e) {
                var t = Math.cos(e)
                  , e = Math.sin(e);
                return this.set(t, 0, e, 0, 0, 1, 0, 0, -e, 0, t, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeRotationZ",
            value: function(e) {
                var t = Math.cos(e)
                  , e = Math.sin(e);
                return this.set(t, -e, 0, 0, e, t, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeRotationAxis",
            value: function(e, t) {
                var n = Math.cos(t)
                  , i = Math.sin(t)
                  , r = 1 - n
                  , a = e.x
                  , o = e.y
                  , s = e.z
                  , t = r * a
                  , e = r * o;
                return this.set(t * a + n, t * o - i * s, t * s + i * o, 0, t * o + i * s, e * o + n, e * s - i * a, 0, t * s - i * o, e * s + i * a, r * s * s + n, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeScale",
            value: function(e, t, n) {
                return this.set(e, 0, 0, 0, 0, t, 0, 0, 0, 0, n, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "makeShear",
            value: function(e, t, n) {
                return this.set(1, t, n, 0, e, 1, n, 0, e, t, 1, 0, 0, 0, 0, 1),
                this
            }
        }, {
            key: "compose",
            value: function(e, t, n) {
                var i = this.elements
                  , r = t._x
                  , a = t._y
                  , o = t._z
                  , s = t._w
                  , l = r + r
                  , u = a + a
                  , c = o + o
                  , d = r * l
                  , h = r * u
                  , p = r * c
                  , t = a * u
                  , r = a * c
                  , a = o * c
                  , o = s * l
                  , l = s * u
                  , u = s * c
                  , s = n.x
                  , c = n.y
                  , n = n.z;
                return i[0] = (1 - (t + a)) * s,
                i[1] = (h + u) * s,
                i[2] = (p - l) * s,
                i[3] = 0,
                i[4] = (h - u) * c,
                i[5] = (1 - (d + a)) * c,
                i[6] = (r + o) * c,
                i[7] = 0,
                i[8] = (p + l) * n,
                i[9] = (r - o) * n,
                i[10] = (1 - (d + t)) * n,
                i[11] = 0,
                i[12] = e.x,
                i[13] = e.y,
                i[14] = e.z,
                i[15] = 1,
                this
            }
        }, {
            key: "decompose",
            value: function(e, t, n) {
                var i = this.elements
                  , r = ii.set(i[0], i[1], i[2]).length()
                  , a = ii.set(i[4], i[5], i[6]).length()
                  , o = ii.set(i[8], i[9], i[10]).length();
                this.determinant() < 0 && (r = -r),
                e.x = i[12],
                e.y = i[13],
                e.z = i[14],
                ri.copy(this);
                var s = 1 / r
                  , e = 1 / a
                  , i = 1 / o;
                return ri.elements[0] *= s,
                ri.elements[1] *= s,
                ri.elements[2] *= s,
                ri.elements[4] *= e,
                ri.elements[5] *= e,
                ri.elements[6] *= e,
                ri.elements[8] *= i,
                ri.elements[9] *= i,
                ri.elements[10] *= i,
                t.setFromRotationMatrix(ri),
                n.x = r,
                n.y = a,
                n.z = o,
                this
            }
        }, {
            key: "makePerspective",
            value: function(e, t, n, i, r, a) {
                void 0 === a && console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");
                var o = this.elements
                  , s = 2 * r / (n - i)
                  , l = (t + e) / (t - e)
                  , n = (n + i) / (n - i)
                  , i = -(a + r) / (a - r)
                  , a = -2 * a * r / (a - r);
                return o[0] = 2 * r / (t - e),
                o[4] = 0,
                o[8] = l,
                o[12] = 0,
                o[1] = 0,
                o[5] = s,
                o[9] = n,
                o[13] = 0,
                o[2] = 0,
                o[6] = 0,
                o[10] = i,
                o[14] = a,
                o[3] = 0,
                o[7] = 0,
                o[11] = -1,
                o[15] = 0,
                this
            }
        }, {
            key: "makeOrthographic",
            value: function(e, t, n, i, r, a) {
                var o = this.elements
                  , s = 1 / (t - e)
                  , l = 1 / (n - i)
                  , u = 1 / (a - r)
                  , e = (t + e) * s
                  , i = (n + i) * l
                  , r = (a + r) * u;
                return o[0] = 2 * s,
                o[4] = 0,
                o[8] = 0,
                o[12] = -e,
                o[1] = 0,
                o[5] = 2 * l,
                o[9] = 0,
                o[13] = -i,
                o[2] = 0,
                o[6] = 0,
                o[10] = -2 * u,
                o[14] = -r,
                o[3] = 0,
                o[7] = 0,
                o[11] = 0,
                o[15] = 1,
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                for (var t = this.elements, n = e.elements, i = 0; i < 16; i++)
                    if (t[i] !== n[i])
                        return !1;
                return !0
            }
        }, {
            key: "fromArray",
            value: function(e) {
                for (var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, n = 0; n < 16; n++)
                    this.elements[n] = e[n + t];
                return this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
                  , n = this.elements;
                return e[t] = n[0],
                e[t + 1] = n[1],
                e[t + 2] = n[2],
                e[t + 3] = n[3],
                e[t + 4] = n[4],
                e[t + 5] = n[5],
                e[t + 6] = n[6],
                e[t + 7] = n[7],
                e[t + 8] = n[8],
                e[t + 9] = n[9],
                e[t + 10] = n[10],
                e[t + 11] = n[11],
                e[t + 12] = n[12],
                e[t + 13] = n[13],
                e[t + 14] = n[14],
                e[t + 15] = n[15],
                e
            }
        }]),
        e
    }()
      , ii = new Cn
      , ri = new ni
      , ai = new Cn(0,0,0)
      , oi = new Cn(1,1,1)
      , si = new Cn
      , li = new Cn
      , ui = new Cn
      , ci = function() {
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : r.DefaultOrder;
            O(this, r),
            Object.defineProperty(this, "isEuler", {
                value: !0
            }),
            this._x = e,
            this._y = t,
            this._z = n,
            this._order = i
        }
        return h(r, [{
            key: "x",
            get: function() {
                return this._x
            },
            set: function(e) {
                this._x = e,
                this._onChangeCallback()
            }
        }, {
            key: "y",
            get: function() {
                return this._y
            },
            set: function(e) {
                this._y = e,
                this._onChangeCallback()
            }
        }, {
            key: "z",
            get: function() {
                return this._z
            },
            set: function(e) {
                this._z = e,
                this._onChangeCallback()
            }
        }, {
            key: "order",
            get: function() {
                return this._order
            },
            set: function(e) {
                this._order = e,
                this._onChangeCallback()
            }
        }, {
            key: "set",
            value: function(e, t, n, i) {
                return this._x = e,
                this._y = t,
                this._z = n,
                this._order = i || this._order,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this._x,this._y,this._z,this._order)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this._x = e._x,
                this._y = e._y,
                this._z = e._z,
                this._order = e._order,
                this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromRotationMatrix",
            value: function(e, t, n) {
                var i = gn.clamp
                  , e = e.elements
                  , r = e[0]
                  , a = e[4]
                  , o = e[8]
                  , s = e[1]
                  , l = e[5]
                  , u = e[9]
                  , c = e[2]
                  , d = e[6]
                  , h = e[10];
                switch (t = t || this._order) {
                case "XYZ":
                    this._y = Math.asin(i(o, -1, 1)),
                    Math.abs(o) < .9999999 ? (this._x = Math.atan2(-u, h),
                    this._z = Math.atan2(-a, r)) : (this._x = Math.atan2(d, l),
                    this._z = 0);
                    break;
                case "YXZ":
                    this._x = Math.asin(-i(u, -1, 1)),
                    Math.abs(u) < .9999999 ? (this._y = Math.atan2(o, h),
                    this._z = Math.atan2(s, l)) : (this._y = Math.atan2(-c, r),
                    this._z = 0);
                    break;
                case "ZXY":
                    this._x = Math.asin(i(d, -1, 1)),
                    Math.abs(d) < .9999999 ? (this._y = Math.atan2(-c, h),
                    this._z = Math.atan2(-a, l)) : (this._y = 0,
                    this._z = Math.atan2(s, r));
                    break;
                case "ZYX":
                    this._y = Math.asin(-i(c, -1, 1)),
                    Math.abs(c) < .9999999 ? (this._x = Math.atan2(d, h),
                    this._z = Math.atan2(s, r)) : (this._x = 0,
                    this._z = Math.atan2(-a, l));
                    break;
                case "YZX":
                    this._z = Math.asin(i(s, -1, 1)),
                    Math.abs(s) < .9999999 ? (this._x = Math.atan2(-u, l),
                    this._y = Math.atan2(-c, r)) : (this._x = 0,
                    this._y = Math.atan2(o, h));
                    break;
                case "XZY":
                    this._z = Math.asin(-i(a, -1, 1)),
                    Math.abs(a) < .9999999 ? (this._x = Math.atan2(d, l),
                    this._y = Math.atan2(o, r)) : (this._x = Math.atan2(-u, h),
                    this._y = 0);
                    break;
                default:
                    console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: " + t)
                }
                return this._order = t,
                !1 !== n && this._onChangeCallback(),
                this
            }
        }, {
            key: "setFromQuaternion",
            value: function(e, t, n) {
                return di.makeRotationFromQuaternion(e),
                this.setFromRotationMatrix(di, t, n)
            }
        }, {
            key: "setFromVector3",
            value: function(e, t) {
                return this.set(e.x, e.y, e.z, t || this._order)
            }
        }, {
            key: "reorder",
            value: function(e) {
                return hi.setFromEuler(this),
                this.setFromQuaternion(hi, e)
            }
        }, {
            key: "equals",
            value: function(e) {
                return e._x === this._x && e._y === this._y && e._z === this._z && e._order === this._order
            }
        }, {
            key: "fromArray",
            value: function(e) {
                return this._x = e[0],
                this._y = e[1],
                this._z = e[2],
                void 0 !== e[3] && (this._order = e[3]),
                this._onChangeCallback(),
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this._x,
                e[t + 1] = this._y,
                e[t + 2] = this._z,
                e[t + 3] = this._order,
                e
            }
        }, {
            key: "toVector3",
            value: function(e) {
                return e ? e.set(this._x, this._y, this._z) : new Cn(this._x,this._y,this._z)
            }
        }, {
            key: "_onChange",
            value: function(e) {
                return this._onChangeCallback = e,
                this
            }
        }, {
            key: "_onChangeCallback",
            value: function() {}
        }]),
        r
    }();
    ci.DefaultOrder = "XYZ",
    ci.RotationOrders = ["XYZ", "YZX", "ZXY", "XZY", "YXZ", "ZYX"];
    var di = new ni
      , hi = new Sn
      , pi = function() {
        function e() {
            O(this, e),
            this.mask = 1
        }
        return h(e, [{
            key: "set",
            value: function(e) {
                this.mask = 1 << e | 0
            }
        }, {
            key: "enable",
            value: function(e) {
                this.mask |= 1 << e | 0
            }
        }, {
            key: "enableAll",
            value: function() {
                this.mask = -1
            }
        }, {
            key: "toggle",
            value: function(e) {
                this.mask ^= 1 << e | 0
            }
        }, {
            key: "disable",
            value: function(e) {
                this.mask &= ~(1 << e | 0)
            }
        }, {
            key: "disableAll",
            value: function() {
                this.mask = 0
            }
        }, {
            key: "test",
            value: function(e) {
                return 0 != (this.mask & e.mask)
            }
        }]),
        e
    }()
      , fi = 0
      , mi = new Cn
      , vi = new Sn
      , gi = new ni
      , yi = new Cn
      , wi = new Cn
      , bi = new Cn
      , xi = new Sn
      , Ei = new Cn(1,0,0)
      , _i = new Cn(0,1,0)
      , Mi = new Cn(0,0,1)
      , Ai = {
        type: "added"
    }
      , Ti = {
        type: "removed"
    };
    function Si() {
        Object.defineProperty(this, "id", {
            value: fi++
        }),
        this.uuid = gn.generateUUID(),
        this.name = "",
        this.type = "Object3D",
        this.parent = null,
        this.children = [],
        this.up = Si.DefaultUp.clone();
        var e = new Cn
          , t = new ci
          , n = new Sn
          , i = new Cn(1,1,1);
        t._onChange(function() {
            n.setFromEuler(t, !1)
        }),
        n._onChange(function() {
            t.setFromQuaternion(n, void 0, !1)
        }),
        Object.defineProperties(this, {
            position: {
                configurable: !0,
                enumerable: !0,
                value: e
            },
            rotation: {
                configurable: !0,
                enumerable: !0,
                value: t
            },
            quaternion: {
                configurable: !0,
                enumerable: !0,
                value: n
            },
            scale: {
                configurable: !0,
                enumerable: !0,
                value: i
            },
            modelViewMatrix: {
                value: new ni
            },
            normalMatrix: {
                value: new wn
            }
        }),
        this.matrix = new ni,
        this.matrixWorld = new ni,
        this.matrixAutoUpdate = Si.DefaultMatrixAutoUpdate,
        this.matrixWorldNeedsUpdate = !1,
        this.layers = new pi,
        this.visible = !0,
        this.castShadow = !1,
        this.receiveShadow = !1,
        this.frustumCulled = !0,
        this.renderOrder = 0,
        this.animations = [],
        this.userData = {}
    }
    Si.DefaultUp = new Cn(0,1,0),
    Si.DefaultMatrixAutoUpdate = !0,
    Si.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: Si,
        isObject3D: !0,
        onBeforeRender: function() {},
        onAfterRender: function() {},
        applyMatrix4: function(e) {
            this.matrixAutoUpdate && this.updateMatrix(),
            this.matrix.premultiply(e),
            this.matrix.decompose(this.position, this.quaternion, this.scale)
        },
        applyQuaternion: function(e) {
            return this.quaternion.premultiply(e),
            this
        },
        setRotationFromAxisAngle: function(e, t) {
            this.quaternion.setFromAxisAngle(e, t)
        },
        setRotationFromEuler: function(e) {
            this.quaternion.setFromEuler(e, !0)
        },
        setRotationFromMatrix: function(e) {
            this.quaternion.setFromRotationMatrix(e)
        },
        setRotationFromQuaternion: function(e) {
            this.quaternion.copy(e)
        },
        rotateOnAxis: function(e, t) {
            return vi.setFromAxisAngle(e, t),
            this.quaternion.multiply(vi),
            this
        },
        rotateOnWorldAxis: function(e, t) {
            return vi.setFromAxisAngle(e, t),
            this.quaternion.premultiply(vi),
            this
        },
        rotateX: function(e) {
            return this.rotateOnAxis(Ei, e)
        },
        rotateY: function(e) {
            return this.rotateOnAxis(_i, e)
        },
        rotateZ: function(e) {
            return this.rotateOnAxis(Mi, e)
        },
        translateOnAxis: function(e, t) {
            return mi.copy(e).applyQuaternion(this.quaternion),
            this.position.add(mi.multiplyScalar(t)),
            this
        },
        translateX: function(e) {
            return this.translateOnAxis(Ei, e)
        },
        translateY: function(e) {
            return this.translateOnAxis(_i, e)
        },
        translateZ: function(e) {
            return this.translateOnAxis(Mi, e)
        },
        localToWorld: function(e) {
            return e.applyMatrix4(this.matrixWorld)
        },
        worldToLocal: function(e) {
            return e.applyMatrix4(gi.copy(this.matrixWorld).invert())
        },
        lookAt: function(e, t, n) {
            e.isVector3 ? yi.copy(e) : yi.set(e, t, n);
            n = this.parent;
            this.updateWorldMatrix(!0, !1),
            wi.setFromMatrixPosition(this.matrixWorld),
            this.isCamera || this.isLight ? gi.lookAt(wi, yi, this.up) : gi.lookAt(yi, wi, this.up),
            this.quaternion.setFromRotationMatrix(gi),
            n && (gi.extractRotation(n.matrixWorld),
            vi.setFromRotationMatrix(gi),
            this.quaternion.premultiply(vi.invert()))
        },
        add: function(e) {
            if (1 < arguments.length) {
                for (var t = 0; t < arguments.length; t++)
                    this.add(arguments[t]);
                return this
            }
            return e === this ? console.error("THREE.Object3D.add: object can't be added as a child of itself.", e) : e && e.isObject3D ? (null !== e.parent && e.parent.remove(e),
            (e.parent = this).children.push(e),
            e.dispatchEvent(Ai)) : console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.", e),
            this
        },
        remove: function(e) {
            if (1 < arguments.length) {
                for (var t = 0; t < arguments.length; t++)
                    this.remove(arguments[t]);
                return this
            }
            var n = this.children.indexOf(e);
            return -1 !== n && (e.parent = null,
            this.children.splice(n, 1),
            e.dispatchEvent(Ti)),
            this
        },
        clear: function() {
            for (var e = 0; e < this.children.length; e++) {
                var t = this.children[e];
                t.parent = null,
                t.dispatchEvent(Ti)
            }
            return this.children.length = 0,
            this
        },
        attach: function(e) {
            return this.updateWorldMatrix(!0, !1),
            gi.copy(this.matrixWorld).invert(),
            null !== e.parent && (e.parent.updateWorldMatrix(!0, !1),
            gi.multiply(e.parent.matrixWorld)),
            e.applyMatrix4(gi),
            e.updateWorldMatrix(!1, !1),
            this.add(e),
            this
        },
        getObjectById: function(e) {
            return this.getObjectByProperty("id", e)
        },
        getObjectByName: function(e) {
            return this.getObjectByProperty("name", e)
        },
        getObjectByProperty: function(e, t) {
            if (this[e] === t)
                return this;
            for (var n = 0, i = this.children.length; n < i; n++) {
                var r = this.children[n].getObjectByProperty(e, t);
                if (void 0 !== r)
                    return r
            }
        },
        getWorldPosition: function(e) {
            return void 0 === e && (console.warn("THREE.Object3D: .getWorldPosition() target is now required"),
            e = new Cn),
            this.updateWorldMatrix(!0, !1),
            e.setFromMatrixPosition(this.matrixWorld)
        },
        getWorldQuaternion: function(e) {
            return void 0 === e && (console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),
            e = new Sn),
            this.updateWorldMatrix(!0, !1),
            this.matrixWorld.decompose(wi, e, bi),
            e
        },
        getWorldScale: function(e) {
            return void 0 === e && (console.warn("THREE.Object3D: .getWorldScale() target is now required"),
            e = new Cn),
            this.updateWorldMatrix(!0, !1),
            this.matrixWorld.decompose(wi, xi, e),
            e
        },
        getWorldDirection: function(e) {
            void 0 === e && (console.warn("THREE.Object3D: .getWorldDirection() target is now required"),
            e = new Cn),
            this.updateWorldMatrix(!0, !1);
            var t = this.matrixWorld.elements;
            return e.set(t[8], t[9], t[10]).normalize()
        },
        raycast: function() {},
        traverse: function(e) {
            var t = e(this);
            if (!t || !t.stopContinue)
                for (var n = this.children, i = 0, r = n.length; i < r; i++)
                    n[i].traverse(e)
        },
        traverseVisible: function(e) {
            if (!1 !== this.visible) {
                e(this);
                for (var t = this.children, n = 0, i = t.length; n < i; n++)
                    t[n].traverseVisible(e)
            }
        },
        traverseAncestors: function(e) {
            var t = this.parent;
            null !== t && (e(t),
            t.traverseAncestors(e))
        },
        updateMatrix: function() {
            this.matrix.compose(this.position, this.quaternion, this.scale),
            this.matrixWorldNeedsUpdate = !0
        },
        updateMatrixWorld: function(e) {
            this.matrixAutoUpdate && this.updateMatrix(),
            (this.matrixWorldNeedsUpdate || e) && (null === this.parent ? this.matrixWorld.copy(this.matrix) : this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix),
            e = !(this.matrixWorldNeedsUpdate = !1));
            for (var t = this.children, n = 0, i = t.length; n < i; n++)
                t[n].updateMatrixWorld(e)
        },
        updateWorldMatrix: function(e, t) {
            var n = this.parent;
            if (!0 === e && null !== n && n.updateWorldMatrix(!0, !1),
            this.matrixAutoUpdate && this.updateMatrix(),
            null === this.parent ? this.matrixWorld.copy(this.matrix) : this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix),
            !0 === t)
                for (var i = this.children, r = 0, a = i.length; r < a; r++)
                    i[r].updateWorldMatrix(!1, !0)
        },
        toJSON: function(n) {
            var e = void 0 === n || "string" == typeof n
              , t = {};
            e && (n = {
                geometries: {},
                materials: {},
                textures: {},
                images: {},
                shapes: {},
                skeletons: {},
                animations: {}
            },
            t.metadata = {
                version: 4.5,
                type: "Object",
                generator: "Object3D.toJSON"
            });
            var i, r, a, o, s, l = {};
            function u(e, t) {
                return void 0 === e[t.uuid] && (e[t.uuid] = t.toJSON(n)),
                t.uuid
            }
            if (l.uuid = this.uuid,
            l.type = this.type,
            "" !== this.name && (l.name = this.name),
            !0 === this.castShadow && (l.castShadow = !0),
            !0 === this.receiveShadow && (l.receiveShadow = !0),
            !1 === this.visible && (l.visible = !1),
            !1 === this.frustumCulled && (l.frustumCulled = !1),
            0 !== this.renderOrder && (l.renderOrder = this.renderOrder),
            "{}" !== JSON.stringify(this.userData) && (l.userData = this.userData),
            l.layers = this.layers.mask,
            l.matrix = this.matrix.toArray(),
            !1 === this.matrixAutoUpdate && (l.matrixAutoUpdate = !1),
            this.isInstancedMesh && (l.type = "InstancedMesh",
            l.count = this.count,
            l.instanceMatrix = this.instanceMatrix.toJSON()),
            this.isMesh || this.isLine || this.isPoints) {
                l.geometry = u(n.geometries, this.geometry);
                var c = this.geometry.parameters;
                if (void 0 !== c && void 0 !== c.shapes) {
                    var d = c.shapes;
                    if (Array.isArray(d))
                        for (var h = 0, p = d.length; h < p; h++) {
                            var f = d[h];
                            u(n.shapes, f)
                        }
                    else
                        u(n.shapes, d)
                }
            }
            if (this.isSkinnedMesh && (l.bindMode = this.bindMode,
            l.bindMatrix = this.bindMatrix.toArray(),
            void 0 !== this.skeleton && (u(n.skeletons, this.skeleton),
            l.skeleton = this.skeleton.uuid)),
            void 0 !== this.material)
                if (Array.isArray(this.material)) {
                    for (var m = [], v = 0, g = this.material.length; v < g; v++)
                        m.push(u(n.materials, this.material[v]));
                    l.material = m
                } else
                    l.material = u(n.materials, this.material);
            if (0 < this.children.length) {
                l.children = [];
                for (var y = 0; y < this.children.length; y++)
                    l.children.push(this.children[y].toJSON(n).object)
            }
            if (0 < this.animations.length) {
                l.animations = [];
                for (var w = 0; w < this.animations.length; w++) {
                    var b = this.animations[w];
                    l.animations.push(u(n.animations, b))
                }
            }
            return e && (i = x(n.geometries),
            r = x(n.materials),
            a = x(n.textures),
            o = x(n.images),
            s = x(n.shapes),
            c = x(n.skeletons),
            e = x(n.animations),
            0 < i.length && (t.geometries = i),
            0 < r.length && (t.materials = r),
            0 < a.length && (t.textures = a),
            0 < o.length && (t.images = o),
            0 < s.length && (t.shapes = s),
            0 < c.length && (t.skeletons = c),
            0 < e.length && (t.animations = e)),
            t.object = l,
            t;
            function x(e) {
                var t, n = [];
                for (t in e) {
                    var i = e[t];
                    delete i.metadata,
                    n.push(i)
                }
                return n
            }
        },
        clone: function(e) {
            return (new this.constructor).copy(this, e)
        },
        copy: function(e) {
            var t = !(1 < arguments.length && void 0 !== arguments[1]) || arguments[1];
            if (this.name = e.name,
            this.up.copy(e.up),
            this.position.copy(e.position),
            this.rotation.order = e.rotation.order,
            this.quaternion.copy(e.quaternion),
            this.scale.copy(e.scale),
            this.matrix.copy(e.matrix),
            this.matrixWorld.copy(e.matrixWorld),
            this.matrixAutoUpdate = e.matrixAutoUpdate,
            this.matrixWorldNeedsUpdate = e.matrixWorldNeedsUpdate,
            this.layers.mask = e.layers.mask,
            this.visible = e.visible,
            this.castShadow = e.castShadow,
            this.receiveShadow = e.receiveShadow,
            this.frustumCulled = e.frustumCulled,
            this.renderOrder = e.renderOrder,
            this.userData = JSON.parse(JSON.stringify(e.userData)),
            !0 === t)
                for (var n = 0; n < e.children.length; n++) {
                    var i = e.children[n];
                    this.add(i.clone())
                }
            return this
        }
    });
    var Ci = new Cn
      , Pi = new Cn
      , Di = new wn
      , ki = function() {
        function n(e, t) {
            O(this, n),
            Object.defineProperty(this, "isPlane", {
                value: !0
            }),
            this.normal = void 0 !== e ? e : new Cn(1,0,0),
            this.constant = void 0 !== t ? t : 0
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.normal.copy(e),
                this.constant = t,
                this
            }
        }, {
            key: "setComponents",
            value: function(e, t, n, i) {
                return this.normal.set(e, t, n),
                this.constant = i,
                this
            }
        }, {
            key: "setFromNormalAndCoplanarPoint",
            value: function(e, t) {
                return this.normal.copy(e),
                this.constant = -t.dot(this.normal),
                this
            }
        }, {
            key: "setFromCoplanarPoints",
            value: function(e, t, n) {
                t = Ci.subVectors(n, t).cross(Pi.subVectors(e, t)).normalize();
                return this.setFromNormalAndCoplanarPoint(t, e),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.normal.copy(e.normal),
                this.constant = e.constant,
                this
            }
        }, {
            key: "normalize",
            value: function() {
                var e = 1 / this.normal.length();
                return this.normal.multiplyScalar(e),
                this.constant *= e,
                this
            }
        }, {
            key: "negate",
            value: function() {
                return this.constant *= -1,
                this.normal.negate(),
                this
            }
        }, {
            key: "distanceToPoint",
            value: function(e) {
                return this.normal.dot(e) + this.constant
            }
        }, {
            key: "distanceToSphere",
            value: function(e) {
                return this.distanceToPoint(e.center) - e.radius
            }
        }, {
            key: "projectPoint",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Plane: .projectPoint() target is now required"),
                t = new Cn),
                t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)
            }
        }, {
            key: "intersectLine",
            value: function(e, t) {
                void 0 === t && (console.warn("THREE.Plane: .intersectLine() target is now required"),
                t = new Cn);
                var n = e.delta(Ci)
                  , i = this.normal.dot(n);
                if (0 === i)
                    return 0 === this.distanceToPoint(e.start) ? t.copy(e.start) : void 0;
                i = -(e.start.dot(this.normal) + this.constant) / i;
                return i < 0 || 1 < i ? void 0 : t.copy(n).multiplyScalar(i).add(e.start)
            }
        }, {
            key: "intersectsLine",
            value: function(e) {
                var t = this.distanceToPoint(e.start)
                  , e = this.distanceToPoint(e.end);
                return t < 0 && 0 < e || e < 0 && 0 < t
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return e.intersectsPlane(this)
            }
        }, {
            key: "intersectsSphere",
            value: function(e) {
                return e.intersectsPlane(this)
            }
        }, {
            key: "coplanarPoint",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Plane: .coplanarPoint() target is now required"),
                e = new Cn),
                e.copy(this.normal).multiplyScalar(-this.constant)
            }
        }, {
            key: "applyMatrix4",
            value: function(e, t) {
                t = t || Di.getNormalMatrix(e),
                e = this.coplanarPoint(Ci).applyMatrix4(e),
                t = this.normal.applyMatrix3(t).normalize();
                return this.constant = -e.dot(t),
                this
            }
        }, {
            key: "translate",
            value: function(e) {
                return this.constant -= e.dot(this.normal),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.normal.equals(this.normal) && e.constant === this.constant
            }
        }]),
        n
    }()
      , Bi = new Cn
      , Li = new Cn
      , Ri = new Cn
      , Fi = new Cn
      , Ii = new Cn
      , Oi = new Cn
      , zi = new Cn
      , Ni = new Cn
      , Ui = new Cn
      , Gi = new Cn
      , Hi = function() {
        function a(e, t, n) {
            O(this, a),
            this.a = void 0 !== e ? e : new Cn,
            this.b = void 0 !== t ? t : new Cn,
            this.c = void 0 !== n ? n : new Cn
        }
        return h(a, [{
            key: "set",
            value: function(e, t, n) {
                return this.a.copy(e),
                this.b.copy(t),
                this.c.copy(n),
                this
            }
        }, {
            key: "setFromPointsAndIndices",
            value: function(e, t, n, i) {
                return this.a.copy(e[t]),
                this.b.copy(e[n]),
                this.c.copy(e[i]),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.a.copy(e.a),
                this.b.copy(e.b),
                this.c.copy(e.c),
                this
            }
        }, {
            key: "getArea",
            value: function() {
                return Bi.subVectors(this.c, this.b),
                Li.subVectors(this.a, this.b),
                .5 * Bi.cross(Li).length()
            }
        }, {
            key: "getMidpoint",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Triangle: .getMidpoint() target is now required"),
                e = new Cn),
                e.addVectors(this.a, this.b).add(this.c).multiplyScalar(1 / 3)
            }
        }, {
            key: "getNormal",
            value: function(e) {
                return a.getNormal(this.a, this.b, this.c, e)
            }
        }, {
            key: "getPlane",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Triangle: .getPlane() target is now required"),
                e = new ki),
                e.setFromCoplanarPoints(this.a, this.b, this.c)
            }
        }, {
            key: "getBarycoord",
            value: function(e, t) {
                return a.getBarycoord(e, this.a, this.b, this.c, t)
            }
        }, {
            key: "getUV",
            value: function(e, t, n, i, r) {
                return a.getUV(e, this.a, this.b, this.c, t, n, i, r)
            }
        }, {
            key: "containsPoint",
            value: function(e) {
                return a.containsPoint(e, this.a, this.b, this.c)
            }
        }, {
            key: "isFrontFacing",
            value: function(e) {
                return a.isFrontFacing(this.a, this.b, this.c, e)
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return e.intersectsTriangle(this)
            }
        }, {
            key: "closestPointToPoint",
            value: function(e, t) {
                void 0 === t && (console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),
                t = new Cn);
                var n = this.a
                  , i = this.b
                  , r = this.c;
                Ii.subVectors(i, n),
                Oi.subVectors(r, n),
                Ni.subVectors(e, n);
                var a = Ii.dot(Ni)
                  , o = Oi.dot(Ni);
                if (a <= 0 && o <= 0)
                    return t.copy(n);
                Ui.subVectors(e, i);
                var s = Ii.dot(Ui)
                  , l = Oi.dot(Ui);
                if (0 <= s && l <= s)
                    return t.copy(i);
                var u = a * l - s * o;
                if (u <= 0 && 0 <= a && s <= 0)
                    return d = a / (a - s),
                    t.copy(n).addScaledVector(Ii, d);
                Gi.subVectors(e, r);
                var c = Ii.dot(Gi)
                  , e = Oi.dot(Gi);
                if (0 <= e && c <= e)
                    return t.copy(r);
                a = c * o - a * e;
                if (a <= 0 && 0 <= o && e <= 0)
                    return h = o / (o - e),
                    t.copy(n).addScaledVector(Oi, h);
                o = s * e - c * l;
                if (o <= 0 && 0 <= l - s && 0 <= c - e)
                    return zi.subVectors(r, i),
                    h = (l - s) / (l - s + (c - e)),
                    t.copy(i).addScaledVector(zi, h);
                var o = 1 / (o + a + u)
                  , d = a * o
                  , h = u * o;
                return t.copy(n).addScaledVector(Ii, d).addScaledVector(Oi, h)
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.a.equals(this.a) && e.b.equals(this.b) && e.c.equals(this.c)
            }
        }], [{
            key: "getNormal",
            value: function(e, t, n, i) {
                void 0 === i && (console.warn("THREE.Triangle: .getNormal() target is now required"),
                i = new Cn),
                i.subVectors(n, t),
                Bi.subVectors(e, t),
                i.cross(Bi);
                t = i.lengthSq();
                return 0 < t ? i.multiplyScalar(1 / Math.sqrt(t)) : i.set(0, 0, 0)
            }
        }, {
            key: "getBarycoord",
            value: function(e, t, n, i, r) {
                Bi.subVectors(i, t),
                Li.subVectors(n, t),
                Ri.subVectors(e, t);
                var a = Bi.dot(Bi)
                  , o = Bi.dot(Li)
                  , i = Bi.dot(Ri)
                  , n = Li.dot(Li)
                  , e = Li.dot(Ri)
                  , t = a * n - o * o;
                if (void 0 === r && (console.warn("THREE.Triangle: .getBarycoord() target is now required"),
                r = new Cn),
                0 == t)
                    return r.set(-2, -1, -1);
                t = 1 / t,
                n = (n * i - o * e) * t,
                t *= a * e - o * i;
                return r.set(1 - n - t, t, n)
            }
        }, {
            key: "containsPoint",
            value: function(e, t, n, i) {
                return this.getBarycoord(e, t, n, i, Fi),
                0 <= Fi.x && 0 <= Fi.y && Fi.x + Fi.y <= 1
            }
        }, {
            key: "getUV",
            value: function(e, t, n, i, r, a, o, s) {
                return this.getBarycoord(e, t, n, i, Fi),
                s.set(0, 0),
                s.addScaledVector(r, Fi.x),
                s.addScaledVector(a, Fi.y),
                s.addScaledVector(o, Fi.z),
                s
            }
        }, {
            key: "isFrontFacing",
            value: function(e, t, n, i) {
                return Bi.subVectors(n, t),
                Li.subVectors(e, t),
                Bi.cross(Li).dot(i) < 0
            }
        }]),
        a
    }()
      , Vi = {
        aliceblue: 15792383,
        antiquewhite: 16444375,
        aqua: 65535,
        aquamarine: 8388564,
        azure: 15794175,
        beige: 16119260,
        bisque: 16770244,
        black: 0,
        blanchedalmond: 16772045,
        blue: 255,
        blueviolet: 9055202,
        brown: 10824234,
        burlywood: 14596231,
        cadetblue: 6266528,
        chartreuse: 8388352,
        chocolate: 13789470,
        coral: 16744272,
        cornflowerblue: 6591981,
        cornsilk: 16775388,
        crimson: 14423100,
        cyan: 65535,
        darkblue: 139,
        darkcyan: 35723,
        darkgoldenrod: 12092939,
        darkgray: 11119017,
        darkgreen: 25600,
        darkgrey: 11119017,
        darkkhaki: 12433259,
        darkmagenta: 9109643,
        darkolivegreen: 5597999,
        darkorange: 16747520,
        darkorchid: 10040012,
        darkred: 9109504,
        darksalmon: 15308410,
        darkseagreen: 9419919,
        darkslateblue: 4734347,
        darkslategray: 3100495,
        darkslategrey: 3100495,
        darkturquoise: 52945,
        darkviolet: 9699539,
        deeppink: 16716947,
        deepskyblue: 49151,
        dimgray: 6908265,
        dimgrey: 6908265,
        dodgerblue: 2003199,
        firebrick: 11674146,
        floralwhite: 16775920,
        forestgreen: 2263842,
        fuchsia: 16711935,
        gainsboro: 14474460,
        ghostwhite: 16316671,
        gold: 16766720,
        goldenrod: 14329120,
        gray: 8421504,
        green: 32768,
        greenyellow: 11403055,
        grey: 8421504,
        honeydew: 15794160,
        hotpink: 16738740,
        indianred: 13458524,
        indigo: 4915330,
        ivory: 16777200,
        khaki: 15787660,
        lavender: 15132410,
        lavenderblush: 16773365,
        lawngreen: 8190976,
        lemonchiffon: 16775885,
        lightblue: 11393254,
        lightcoral: 15761536,
        lightcyan: 14745599,
        lightgoldenrodyellow: 16448210,
        lightgray: 13882323,
        lightgreen: 9498256,
        lightgrey: 13882323,
        lightpink: 16758465,
        lightsalmon: 16752762,
        lightseagreen: 2142890,
        lightskyblue: 8900346,
        lightslategray: 7833753,
        lightslategrey: 7833753,
        lightsteelblue: 11584734,
        lightyellow: 16777184,
        lime: 65280,
        limegreen: 3329330,
        linen: 16445670,
        magenta: 16711935,
        maroon: 8388608,
        mediumaquamarine: 6737322,
        mediumblue: 205,
        mediumorchid: 12211667,
        mediumpurple: 9662683,
        mediumseagreen: 3978097,
        mediumslateblue: 8087790,
        mediumspringgreen: 64154,
        mediumturquoise: 4772300,
        mediumvioletred: 13047173,
        midnightblue: 1644912,
        mintcream: 16121850,
        mistyrose: 16770273,
        moccasin: 16770229,
        navajowhite: 16768685,
        navy: 128,
        oldlace: 16643558,
        olive: 8421376,
        olivedrab: 7048739,
        orange: 16753920,
        orangered: 16729344,
        orchid: 14315734,
        palegoldenrod: 15657130,
        palegreen: 10025880,
        paleturquoise: 11529966,
        palevioletred: 14381203,
        papayawhip: 16773077,
        peachpuff: 16767673,
        peru: 13468991,
        pink: 16761035,
        plum: 14524637,
        powderblue: 11591910,
        purple: 8388736,
        rebeccapurple: 6697881,
        red: 16711680,
        rosybrown: 12357519,
        royalblue: 4286945,
        saddlebrown: 9127187,
        salmon: 16416882,
        sandybrown: 16032864,
        seagreen: 3050327,
        seashell: 16774638,
        sienna: 10506797,
        silver: 12632256,
        skyblue: 8900331,
        slateblue: 6970061,
        slategray: 7372944,
        slategrey: 7372944,
        snow: 16775930,
        springgreen: 65407,
        steelblue: 4620980,
        tan: 13808780,
        teal: 32896,
        thistle: 14204888,
        tomato: 16737095,
        turquoise: 4251856,
        violet: 15631086,
        wheat: 16113331,
        white: 16777215,
        whitesmoke: 16119285,
        yellow: 16776960,
        yellowgreen: 10145074
    }
      , ji = {
        h: 0,
        s: 0,
        l: 0
    }
      , Wi = {
        h: 0,
        s: 0,
        l: 0
    };
    function Xi(e, t, n) {
        return n < 0 && (n += 1),
        1 < n && --n,
        n < 1 / 6 ? e + 6 * (t - e) * n : n < .5 ? t : n < 2 / 3 ? e + 6 * (t - e) * (2 / 3 - n) : e
    }
    function qi(e) {
        return e < .04045 ? .0773993808 * e : Math.pow(.9478672986 * e + .0521327014, 2.4)
    }
    function Ji(e) {
        return e < .0031308 ? 12.92 * e : 1.055 * Math.pow(e, .41666) - .055
    }
    var Yi = function() {
        function i(e, t, n) {
            return O(this, i),
            Object.defineProperty(this, "isColor", {
                value: !0
            }),
            void 0 === t && void 0 === n ? this.set(e) : this.setRGB(e, t, n)
        }
        return h(i, [{
            key: "set",
            value: function(e) {
                return e && e.isColor ? this.copy(e) : "number" == typeof e ? this.setHex(e) : "string" == typeof e && this.setStyle(e),
                this
            }
        }, {
            key: "setScalar",
            value: function(e) {
                return this.r = e,
                this.g = e,
                this.b = e,
                this
            }
        }, {
            key: "setHex",
            value: function(e) {
                return e = Math.floor(e),
                this.r = (e >> 16 & 255) / 255,
                this.g = (e >> 8 & 255) / 255,
                this.b = (255 & e) / 255,
                this
            }
        }, {
            key: "setRGB",
            value: function(e, t, n) {
                return this.r = e,
                this.g = t,
                this.b = n,
                this
            }
        }, {
            key: "setHSL",
            value: function(e, t, n) {
                return e = gn.euclideanModulo(e, 1),
                t = gn.clamp(t, 0, 1),
                n = gn.clamp(n, 0, 1),
                0 === t ? this.r = this.g = this.b = n : (this.r = Xi(t = 2 * n - (n = n <= .5 ? n * (1 + t) : n + t - n * t), n, e + 1 / 3),
                this.g = Xi(t, n, e),
                this.b = Xi(t, n, e - 1 / 3)),
                this
            }
        }, {
            key: "setStyle",
            value: function(t) {
                function e(e) {
                    void 0 !== e && parseFloat(e) < 1 && console.warn("THREE.Color: Alpha component of " + t + " will be ignored.")
                }
                if (l = /^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(t)) {
                    var n, i = l[1], r = l[2];
                    switch (i) {
                    case "rgb":
                    case "rgba":
                        if (n = /^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))
                            return this.r = Math.min(255, parseInt(n[1], 10)) / 255,
                            this.g = Math.min(255, parseInt(n[2], 10)) / 255,
                            this.b = Math.min(255, parseInt(n[3], 10)) / 255,
                            e(n[4]),
                            this;
                        if (n = /^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))
                            return this.r = Math.min(100, parseInt(n[1], 10)) / 100,
                            this.g = Math.min(100, parseInt(n[2], 10)) / 100,
                            this.b = Math.min(100, parseInt(n[3], 10)) / 100,
                            e(n[4]),
                            this;
                        break;
                    case "hsl":
                    case "hsla":
                        if (n = /^(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r)) {
                            var a = parseFloat(n[1]) / 360
                              , o = parseInt(n[2], 10) / 100
                              , s = parseInt(n[3], 10) / 100;
                            return e(n[4]),
                            this.setHSL(a, o, s)
                        }
                    }
                } else if (l = /^\#([A-Fa-f\d]+)$/.exec(t)) {
                    var i = l[1]
                      , l = i.length;
                    if (3 === l)
                        return this.r = parseInt(i.charAt(0) + i.charAt(0), 16) / 255,
                        this.g = parseInt(i.charAt(1) + i.charAt(1), 16) / 255,
                        this.b = parseInt(i.charAt(2) + i.charAt(2), 16) / 255,
                        this;
                    if (6 === l)
                        return this.r = parseInt(i.charAt(0) + i.charAt(1), 16) / 255,
                        this.g = parseInt(i.charAt(2) + i.charAt(3), 16) / 255,
                        this.b = parseInt(i.charAt(4) + i.charAt(5), 16) / 255,
                        this
                }
                return t && 0 < t.length ? this.setColorName(t) : this
            }
        }, {
            key: "setColorName",
            value: function(e) {
                var t = Vi[e];
                return void 0 !== t ? this.setHex(t) : console.warn("THREE.Color: Unknown color " + e),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return new this.constructor(this.r,this.g,this.b)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.r = e.r,
                this.g = e.g,
                this.b = e.b,
                this
            }
        }, {
            key: "copyGammaToLinear",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 2;
                return this.r = Math.pow(e.r, t),
                this.g = Math.pow(e.g, t),
                this.b = Math.pow(e.b, t),
                this
            }
        }, {
            key: "copyLinearToGamma",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 2
                  , t = 0 < t ? 1 / t : 1;
                return this.r = Math.pow(e.r, t),
                this.g = Math.pow(e.g, t),
                this.b = Math.pow(e.b, t),
                this
            }
        }, {
            key: "convertGammaToLinear",
            value: function(e) {
                return this.copyGammaToLinear(this, e),
                this
            }
        }, {
            key: "convertLinearToGamma",
            value: function(e) {
                return this.copyLinearToGamma(this, e),
                this
            }
        }, {
            key: "copySRGBToLinear",
            value: function(e) {
                return this.r = qi(e.r),
                this.g = qi(e.g),
                this.b = qi(e.b),
                this
            }
        }, {
            key: "copyLinearToSRGB",
            value: function(e) {
                return this.r = Ji(e.r),
                this.g = Ji(e.g),
                this.b = Ji(e.b),
                this
            }
        }, {
            key: "convertSRGBToLinear",
            value: function() {
                return this.copySRGBToLinear(this),
                this
            }
        }, {
            key: "convertLinearToSRGB",
            value: function() {
                return this.copyLinearToSRGB(this),
                this
            }
        }, {
            key: "getHex",
            value: function() {
                return 255 * this.r << 16 ^ 255 * this.g << 8 ^ 255 * this.b << 0
            }
        }, {
            key: "getHexString",
            value: function() {
                return ("000000" + this.getHex().toString(16)).slice(-6)
            }
        }, {
            key: "getHSL",
            value: function(e) {
                void 0 === e && (console.warn("THREE.Color: .getHSL() target is now required"),
                e = {
                    h: 0,
                    s: 0,
                    l: 0
                });
                var t, n = this.r, i = this.g, r = this.b, a = Math.max(n, i, r), o = Math.min(n, i, r), s = (o + a) / 2;
                if (o === a)
                    u = t = 0;
                else {
                    var l = a - o
                      , u = s <= .5 ? l / (a + o) : l / (2 - a - o);
                    switch (a) {
                    case n:
                        t = (i - r) / l + (i < r ? 6 : 0);
                        break;
                    case i:
                        t = (r - n) / l + 2;
                        break;
                    case r:
                        t = (n - i) / l + 4
                    }
                    t /= 6
                }
                return e.h = t,
                e.s = u,
                e.l = s,
                e
            }
        }, {
            key: "getStyle",
            value: function() {
                return "rgb(" + (255 * this.r | 0) + "," + (255 * this.g | 0) + "," + (255 * this.b | 0) + ")"
            }
        }, {
            key: "offsetHSL",
            value: function(e, t, n) {
                return this.getHSL(ji),
                ji.h += e,
                ji.s += t,
                ji.l += n,
                this.setHSL(ji.h, ji.s, ji.l),
                this
            }
        }, {
            key: "add",
            value: function(e) {
                return this.r += e.r,
                this.g += e.g,
                this.b += e.b,
                this
            }
        }, {
            key: "addColors",
            value: function(e, t) {
                return this.r = e.r + t.r,
                this.g = e.g + t.g,
                this.b = e.b + t.b,
                this
            }
        }, {
            key: "addScalar",
            value: function(e) {
                return this.r += e,
                this.g += e,
                this.b += e,
                this
            }
        }, {
            key: "sub",
            value: function(e) {
                return this.r = Math.max(0, this.r - e.r),
                this.g = Math.max(0, this.g - e.g),
                this.b = Math.max(0, this.b - e.b),
                this
            }
        }, {
            key: "multiply",
            value: function(e) {
                return this.r *= e.r,
                this.g *= e.g,
                this.b *= e.b,
                this
            }
        }, {
            key: "multiplyScalar",
            value: function(e) {
                return this.r *= e,
                this.g *= e,
                this.b *= e,
                this
            }
        }, {
            key: "lerp",
            value: function(e, t) {
                return this.r += (e.r - this.r) * t,
                this.g += (e.g - this.g) * t,
                this.b += (e.b - this.b) * t,
                this
            }
        }, {
            key: "lerpHSL",
            value: function(e, t) {
                this.getHSL(ji),
                e.getHSL(Wi);
                var n = gn.lerp(ji.h, Wi.h, t)
                  , e = gn.lerp(ji.s, Wi.s, t)
                  , t = gn.lerp(ji.l, Wi.l, t);
                return this.setHSL(n, e, t),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.r === this.r && e.g === this.g && e.b === this.b
            }
        }, {
            key: "fromArray",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return this.r = e[t],
                this.g = e[t + 1],
                this.b = e[t + 2],
                this
            }
        }, {
            key: "toArray",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return e[t] = this.r,
                e[t + 1] = this.g,
                e[t + 2] = this.b,
                e
            }
        }, {
            key: "fromBufferAttribute",
            value: function(e, t) {
                return this.r = e.getX(t),
                this.g = e.getY(t),
                this.b = e.getZ(t),
                !0 === e.normalized && (this.r /= 255,
                this.g /= 255,
                this.b /= 255),
                this
            }
        }, {
            key: "toJSON",
            value: function() {
                return this.getHex()
            }
        }]),
        i
    }();
    Yi.NAMES = Vi,
    Yi.prototype.r = 1,
    Yi.prototype.g = 1,
    Yi.prototype.b = 1;
    var Zi = function() {
        function o(e, t, n, i, r) {
            var a = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 0;
            O(this, o),
            this.a = e,
            this.b = t,
            this.c = n,
            this.normal = i && i.isVector3 ? i : new Cn,
            this.vertexNormals = Array.isArray(i) ? i : [],
            this.color = r && r.isColor ? r : new Yi,
            this.vertexColors = Array.isArray(r) ? r : [],
            this.materialIndex = a
        }
        return h(o, [{
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                this.a = e.a,
                this.b = e.b,
                this.c = e.c,
                this.normal.copy(e.normal),
                this.color.copy(e.color),
                this.materialIndex = e.materialIndex;
                for (var t = 0, n = e.vertexNormals.length; t < n; t++)
                    this.vertexNormals[t] = e.vertexNormals[t].clone();
                for (var i = 0, r = e.vertexColors.length; i < r; i++)
                    this.vertexColors[i] = e.vertexColors[i].clone();
                return this
            }
        }]),
        o
    }()
      , Qi = 0;
    function Ki() {
        Object.defineProperty(this, "id", {
            value: Qi++
        }),
        this.uuid = gn.generateUUID(),
        this.name = "",
        this.type = "Material",
        this.fog = !0,
        this.blending = K,
        this.side = q,
        this.flatShading = !1,
        this.vertexColors = !1,
        this.opacity = 1,
        this.transparent = !1,
        this.blendSrc = me,
        this.blendDst = ve,
        this.blendEquation = re,
        this.blendSrcAlpha = null,
        this.blendDstAlpha = null,
        this.blendEquationAlpha = null,
        this.depthFunc = Ae,
        this.depthTest = !0,
        this.depthWrite = !0,
        this.stencilWriteMask = 255,
        this.stencilFunc = 519,
        this.stencilRef = 0,
        this.stencilFuncMask = 255,
        this.stencilFail = 7680,
        this.stencilZFail = 7680,
        this.stencilZPass = 7680,
        this.stencilWrite = !1,
        this.clippingPlanes = null,
        this.clipIntersection = !1,
        this.clipShadows = !1,
        this.shadowSide = null,
        this.colorWrite = !0,
        this.precision = null,
        this.polygonOffset = !1,
        this.polygonOffsetFactor = 0,
        this.polygonOffsetUnits = 0,
        this.dithering = !1,
        this.alphaTest = 0,
        this.premultipliedAlpha = !1,
        this.visible = !0,
        this.toneMapped = !0,
        this.userData = {},
        this.version = 0
    }
    function $i(e) {
        Ki.call(this),
        this.type = "MeshBasicMaterial",
        this.color = new Yi(16777215),
        this.map = null,
        this.lightMap = null,
        this.lightMapIntensity = 1,
        this.aoMap = null,
        this.aoMapIntensity = 1,
        this.specularMap = null,
        this.alphaMap = null,
        this.envMap = null,
        this.combine = k,
        this.reflectivity = 1,
        this.refractionRatio = .98,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.wireframeLinecap = "round",
        this.wireframeLinejoin = "round",
        this.skinning = !1,
        this.morphTargets = !1,
        this.setValues(e)
    }
    Ki.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: Ki,
        isMaterial: !0,
        onBeforeCompile: function() {},
        customProgramCacheKey: function() {
            return this.onBeforeCompile.toString()
        },
        setValues: function(e) {
            if (void 0 !== e)
                for (var t in e) {
                    var n, i = e[t];
                    void 0 !== i ? "shading" !== t ? void 0 !== (n = this[t]) ? n && n.isColor ? n.set(i) : n && n.isVector3 && i && i.isVector3 ? n.copy(i) : this[t] = i : console.warn("THREE." + this.type + ": '" + t + "' is not a property of this material.") : (console.warn("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead."),
                    this.flatShading = 1 === i) : console.warn("THREE.Material: '" + t + "' parameter is undefined.")
                }
        },
        toJSON: function(e) {
            var t = void 0 === e || "string" == typeof e;
            t && (e = {
                textures: {},
                images: {}
            });
            var n = {
                metadata: {
                    version: 4.5,
                    type: "Material",
                    generator: "Material.toJSON"
                }
            };
            function i(e) {
                var t, n = [];
                for (t in e) {
                    var i = e[t];
                    delete i.metadata,
                    n.push(i)
                }
                return n
            }
            return n.uuid = this.uuid,
            n.type = this.type,
            "" !== this.name && (n.name = this.name),
            this.color && this.color.isColor && (n.color = this.color.getHex()),
            void 0 !== this.roughness && (n.roughness = this.roughness),
            void 0 !== this.metalness && (n.metalness = this.metalness),
            this.sheen && this.sheen.isColor && (n.sheen = this.sheen.getHex()),
            this.emissive && this.emissive.isColor && (n.emissive = this.emissive.getHex()),
            this.emissiveIntensity && 1 !== this.emissiveIntensity && (n.emissiveIntensity = this.emissiveIntensity),
            this.specular && this.specular.isColor && (n.specular = this.specular.getHex()),
            void 0 !== this.shininess && (n.shininess = this.shininess),
            void 0 !== this.clearcoat && (n.clearcoat = this.clearcoat),
            void 0 !== this.clearcoatRoughness && (n.clearcoatRoughness = this.clearcoatRoughness),
            this.clearcoatMap && this.clearcoatMap.isTexture && (n.clearcoatMap = this.clearcoatMap.toJSON(e).uuid),
            this.clearcoatRoughnessMap && this.clearcoatRoughnessMap.isTexture && (n.clearcoatRoughnessMap = this.clearcoatRoughnessMap.toJSON(e).uuid),
            this.clearcoatNormalMap && this.clearcoatNormalMap.isTexture && (n.clearcoatNormalMap = this.clearcoatNormalMap.toJSON(e).uuid,
            n.clearcoatNormalScale = this.clearcoatNormalScale.toArray()),
            this.map && this.map.isTexture && (n.map = this.map.toJSON(e).uuid),
            this.matcap && this.matcap.isTexture && (n.matcap = this.matcap.toJSON(e).uuid),
            this.alphaMap && this.alphaMap.isTexture && (n.alphaMap = this.alphaMap.toJSON(e).uuid),
            this.lightMap && this.lightMap.isTexture && (n.lightMap = this.lightMap.toJSON(e).uuid),
            this.aoMap && this.aoMap.isTexture && (n.aoMap = this.aoMap.toJSON(e).uuid,
            n.aoMapIntensity = this.aoMapIntensity),
            this.bumpMap && this.bumpMap.isTexture && (n.bumpMap = this.bumpMap.toJSON(e).uuid,
            n.bumpScale = this.bumpScale),
            this.normalMap && this.normalMap.isTexture && (n.normalMap = this.normalMap.toJSON(e).uuid,
            n.normalMapType = this.normalMapType,
            n.normalScale = this.normalScale.toArray()),
            this.displacementMap && this.displacementMap.isTexture && (n.displacementMap = this.displacementMap.toJSON(e).uuid,
            n.displacementScale = this.displacementScale,
            n.displacementBias = this.displacementBias),
            this.roughnessMap && this.roughnessMap.isTexture && (n.roughnessMap = this.roughnessMap.toJSON(e).uuid),
            this.metalnessMap && this.metalnessMap.isTexture && (n.metalnessMap = this.metalnessMap.toJSON(e).uuid),
            this.emissiveMap && this.emissiveMap.isTexture && (n.emissiveMap = this.emissiveMap.toJSON(e).uuid),
            this.specularMap && this.specularMap.isTexture && (n.specularMap = this.specularMap.toJSON(e).uuid),
            this.envMap && this.envMap.isTexture && (n.envMap = this.envMap.toJSON(e).uuid,
            n.reflectivity = this.reflectivity,
            n.refractionRatio = this.refractionRatio,
            void 0 !== this.combine && (n.combine = this.combine),
            void 0 !== this.envMapIntensity && (n.envMapIntensity = this.envMapIntensity)),
            this.gradientMap && this.gradientMap.isTexture && (n.gradientMap = this.gradientMap.toJSON(e).uuid),
            void 0 !== this.size && (n.size = this.size),
            void 0 !== this.sizeAttenuation && (n.sizeAttenuation = this.sizeAttenuation),
            this.blending !== K && (n.blending = this.blending),
            !0 === this.flatShading && (n.flatShading = this.flatShading),
            this.side !== q && (n.side = this.side),
            this.vertexColors && (n.vertexColors = !0),
            this.opacity < 1 && (n.opacity = this.opacity),
            !0 === this.transparent && (n.transparent = this.transparent),
            n.depthFunc = this.depthFunc,
            n.depthTest = this.depthTest,
            n.depthWrite = this.depthWrite,
            n.stencilWrite = this.stencilWrite,
            n.stencilWriteMask = this.stencilWriteMask,
            n.stencilFunc = this.stencilFunc,
            n.stencilRef = this.stencilRef,
            n.stencilFuncMask = this.stencilFuncMask,
            n.stencilFail = this.stencilFail,
            n.stencilZFail = this.stencilZFail,
            n.stencilZPass = this.stencilZPass,
            this.rotation && 0 !== this.rotation && (n.rotation = this.rotation),
            !0 === this.polygonOffset && (n.polygonOffset = !0),
            0 !== this.polygonOffsetFactor && (n.polygonOffsetFactor = this.polygonOffsetFactor),
            0 !== this.polygonOffsetUnits && (n.polygonOffsetUnits = this.polygonOffsetUnits),
            this.lineWidth && 1 !== this.lineWidth && (n.lineWidth = this.lineWidth),
            void 0 !== this.dashSize && (n.dashSize = this.dashSize),
            void 0 !== this.gapSize && (n.gapSize = this.gapSize),
            void 0 !== this.scale && (n.scale = this.scale),
            !0 === this.dithering && (n.dithering = !0),
            0 < this.alphaTest && (n.alphaTest = this.alphaTest),
            !0 === this.premultipliedAlpha && (n.premultipliedAlpha = this.premultipliedAlpha),
            !0 === this.wireframe && (n.wireframe = this.wireframe),
            1 < this.wireframelineWidth && (n.wireframelineWidth = this.wireframelineWidth),
            "round" !== this.wireframeLinecap && (n.wireframeLinecap = this.wireframeLinecap),
            "round" !== this.wireframeLinejoin && (n.wireframeLinejoin = this.wireframeLinejoin),
            !0 === this.morphTargets && (n.morphTargets = !0),
            !0 === this.morphNormals && (n.morphNormals = !0),
            !0 === this.skinning && (n.skinning = !0),
            !1 === this.visible && (n.visible = !1),
            !1 === this.toneMapped && (n.toneMapped = !1),
            "{}" !== JSON.stringify(this.userData) && (n.userData = this.userData),
            t && (t = i(e.textures),
            e = i(e.images),
            0 < t.length && (n.textures = t),
            0 < e.length && (n.images = e)),
            n
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        copy: function(e) {
            this.name = e.name,
            this.fog = e.fog,
            this.blending = e.blending,
            this.side = e.side,
            this.flatShading = e.flatShading,
            this.vertexColors = e.vertexColors,
            this.opacity = e.opacity,
            this.transparent = e.transparent,
            this.blendSrc = e.blendSrc,
            this.blendDst = e.blendDst,
            this.blendEquation = e.blendEquation,
            this.blendSrcAlpha = e.blendSrcAlpha,
            this.blendDstAlpha = e.blendDstAlpha,
            this.blendEquationAlpha = e.blendEquationAlpha,
            this.depthFunc = e.depthFunc,
            this.depthTest = e.depthTest,
            this.depthWrite = e.depthWrite,
            this.stencilWriteMask = e.stencilWriteMask,
            this.stencilFunc = e.stencilFunc,
            this.stencilRef = e.stencilRef,
            this.stencilFuncMask = e.stencilFuncMask,
            this.stencilFail = e.stencilFail,
            this.stencilZFail = e.stencilZFail,
            this.stencilZPass = e.stencilZPass,
            this.stencilWrite = e.stencilWrite;
            var t = e.clippingPlanes
              , n = null;
            if (null !== t)
                for (var i = t.length, n = new Array(i), r = 0; r !== i; ++r)
                    n[r] = t[r].clone();
            return this.clippingPlanes = n,
            this.clipIntersection = e.clipIntersection,
            this.clipShadows = e.clipShadows,
            this.shadowSide = e.shadowSide,
            this.colorWrite = e.colorWrite,
            this.precision = e.precision,
            this.polygonOffset = e.polygonOffset,
            this.polygonOffsetFactor = e.polygonOffsetFactor,
            this.polygonOffsetUnits = e.polygonOffsetUnits,
            this.dithering = e.dithering,
            this.alphaTest = e.alphaTest,
            this.premultipliedAlpha = e.premultipliedAlpha,
            this.visible = e.visible,
            this.toneMapped = e.toneMapped,
            this.userData = JSON.parse(JSON.stringify(e.userData)),
            this
        },
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        }
    }),
    Object.defineProperty(Ki.prototype, "needsUpdate", {
        set: function(e) {
            !0 === e && this.version++
        }
    }),
    (($i.prototype = Object.create(Ki.prototype)).constructor = $i).prototype.isMeshBasicMaterial = !0,
    $i.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.map = e.map,
        this.lightMap = e.lightMap,
        this.lightMapIntensity = e.lightMapIntensity,
        this.aoMap = e.aoMap,
        this.aoMapIntensity = e.aoMapIntensity,
        this.specularMap = e.specularMap,
        this.alphaMap = e.alphaMap,
        this.envMap = e.envMap,
        this.combine = e.combine,
        this.reflectivity = e.reflectivity,
        this.refractionRatio = e.refractionRatio,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.wireframeLinecap = e.wireframeLinecap,
        this.wireframeLinejoin = e.wireframeLinejoin,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this
    }
    ;
    var er = new Cn
      , tr = new yn;
    function nr(e, t, n) {
        if (Array.isArray(e))
            throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");
        this.name = "",
        this.array = e,
        this.itemSize = t,
        this.count = void 0 !== e ? e.length / t : 0,
        this.normalized = !0 === n,
        this.usage = un,
        this.updateRange = {
            offset: 0,
            count: -1
        },
        this.version = 0
    }
    function ir(e, t, n) {
        nr.call(this, new Int8Array(e), t, n)
    }
    function rr(e, t, n) {
        nr.call(this, new Uint8Array(e), t, n)
    }
    function ar(e, t, n) {
        nr.call(this, new Uint8ClampedArray(e), t, n)
    }
    function or(e, t, n) {
        nr.call(this, new Int16Array(e), t, n)
    }
    function sr(e, t, n) {
        nr.call(this, new Uint16Array(e), t, n)
    }
    function lr(e, t, n) {
        nr.call(this, new Int32Array(e), t, n)
    }
    function ur(e, t, n) {
        nr.call(this, new Uint32Array(e), t, n)
    }
    function cr(e, t, n) {
        nr.call(this, new Uint16Array(e), t, n)
    }
    function dr(e, t, n) {
        nr.call(this, new Float32Array(e), t, n)
    }
    function hr(e, t, n) {
        nr.call(this, new Float64Array(e), t, n)
    }
    Object.defineProperty(nr.prototype, "needsUpdate", {
        set: function(e) {
            !0 === e && this.version++
        }
    }),
    Object.assign(nr.prototype, {
        isBufferAttribute: !0,
        onUploadCallback: function() {},
        setUsage: function(e) {
            return this.usage = e,
            this
        },
        copy: function(e) {
            return this.name = e.name,
            this.array = new e.array.constructor(e.array),
            this.itemSize = e.itemSize,
            this.count = e.count,
            this.normalized = e.normalized,
            this.usage = e.usage,
            this
        },
        copyAt: function(e, t, n) {
            e *= this.itemSize,
            n *= t.itemSize;
            for (var i = 0, r = this.itemSize; i < r; i++)
                this.array[e + i] = t.array[n + i];
            return this
        },
        copyArray: function(e) {
            return this.array.set(e),
            this
        },
        copyColorsArray: function(e) {
            for (var t = this.array, n = 0, i = 0, r = e.length; i < r; i++) {
                var a = e[i];
                void 0 === a && (console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined", i),
                a = new Yi),
                t[n++] = a.r,
                t[n++] = a.g,
                t[n++] = a.b
            }
            return this
        },
        copyVector2sArray: function(e) {
            for (var t = this.array, n = 0, i = 0, r = e.length; i < r; i++) {
                var a = e[i];
                void 0 === a && (console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined", i),
                a = new yn),
                t[n++] = a.x,
                t[n++] = a.y
            }
            return this
        },
        copyVector3sArray: function(e) {
            for (var t = this.array, n = 0, i = 0, r = e.length; i < r; i++) {
                var a = e[i];
                void 0 === a && (console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined", i),
                a = new Cn),
                t[n++] = a.x,
                t[n++] = a.y,
                t[n++] = a.z
            }
            return this
        },
        copyVector4sArray: function(e) {
            for (var t = this.array, n = 0, i = 0, r = e.length; i < r; i++) {
                var a = e[i];
                void 0 === a && (console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined", i),
                a = new Mn),
                t[n++] = a.x,
                t[n++] = a.y,
                t[n++] = a.z,
                t[n++] = a.w
            }
            return this
        },
        applyMatrix3: function(e) {
            if (2 === this.itemSize)
                for (var t = 0, n = this.count; t < n; t++)
                    tr.fromBufferAttribute(this, t),
                    tr.applyMatrix3(e),
                    this.setXY(t, tr.x, tr.y);
            else if (3 === this.itemSize)
                for (var i = 0, r = this.count; i < r; i++)
                    er.fromBufferAttribute(this, i),
                    er.applyMatrix3(e),
                    this.setXYZ(i, er.x, er.y, er.z);
            return this
        },
        applyMatrix4: function(e) {
            for (var t = 0, n = this.count; t < n; t++)
                er.x = this.getX(t),
                er.y = this.getY(t),
                er.z = this.getZ(t),
                er.applyMatrix4(e),
                this.setXYZ(t, er.x, er.y, er.z);
            return this
        },
        applyNormalMatrix: function(e) {
            for (var t = 0, n = this.count; t < n; t++)
                er.x = this.getX(t),
                er.y = this.getY(t),
                er.z = this.getZ(t),
                er.applyNormalMatrix(e),
                this.setXYZ(t, er.x, er.y, er.z);
            return this
        },
        transformDirection: function(e) {
            for (var t = 0, n = this.count; t < n; t++)
                er.x = this.getX(t),
                er.y = this.getY(t),
                er.z = this.getZ(t),
                er.transformDirection(e),
                this.setXYZ(t, er.x, er.y, er.z);
            return this
        },
        set: function(e) {
            return this.array.set(e, 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0),
            this
        },
        getX: function(e) {
            return this.array[e * this.itemSize]
        },
        setX: function(e, t) {
            return this.array[e * this.itemSize] = t,
            this
        },
        getY: function(e) {
            return this.array[e * this.itemSize + 1]
        },
        setY: function(e, t) {
            return this.array[e * this.itemSize + 1] = t,
            this
        },
        getZ: function(e) {
            return this.array[e * this.itemSize + 2]
        },
        setZ: function(e, t) {
            return this.array[e * this.itemSize + 2] = t,
            this
        },
        getW: function(e) {
            return this.array[e * this.itemSize + 3]
        },
        setW: function(e, t) {
            return this.array[e * this.itemSize + 3] = t,
            this
        },
        setXY: function(e, t, n) {
            return e *= this.itemSize,
            this.array[e + 0] = t,
            this.array[e + 1] = n,
            this
        },
        setXYZ: function(e, t, n, i) {
            return e *= this.itemSize,
            this.array[e + 0] = t,
            this.array[e + 1] = n,
            this.array[e + 2] = i,
            this
        },
        setXYZW: function(e, t, n, i, r) {
            return e *= this.itemSize,
            this.array[e + 0] = t,
            this.array[e + 1] = n,
            this.array[e + 2] = i,
            this.array[e + 3] = r,
            this
        },
        onUpload: function(e) {
            return this.onUploadCallback = e,
            this
        },
        clone: function() {
            return new this.constructor(this.array,this.itemSize).copy(this)
        },
        toJSON: function() {
            return {
                itemSize: this.itemSize,
                type: this.array.constructor.name,
                array: Array.prototype.slice.call(this.array),
                normalized: this.normalized
            }
        }
    }),
    (ir.prototype = Object.create(nr.prototype)).constructor = ir,
    (rr.prototype = Object.create(nr.prototype)).constructor = rr,
    (ar.prototype = Object.create(nr.prototype)).constructor = ar,
    (or.prototype = Object.create(nr.prototype)).constructor = or,
    sr.prototype = Object.create(nr.prototype),
    sr.prototype.constructor = sr,
    (lr.prototype = Object.create(nr.prototype)).constructor = lr,
    ur.prototype = Object.create(nr.prototype),
    ur.prototype.constructor = ur,
    ((cr.prototype = Object.create(nr.prototype)).constructor = cr).prototype.isFloat16BufferAttribute = !0,
    (dr.prototype = Object.create(nr.prototype)).constructor = dr,
    (hr.prototype = Object.create(nr.prototype)).constructor = hr;
    var pr = function() {
        function e() {
            O(this, e),
            this.vertices = [],
            this.normals = [],
            this.colors = [],
            this.uvs = [],
            this.uvs2 = [],
            this.groups = [],
            this.morphTargets = {},
            this.skinWeights = [],
            this.skinIndices = [],
            this.boundingBox = null,
            this.boundingSphere = null,
            this.verticesNeedUpdate = !1,
            this.normalsNeedUpdate = !1,
            this.colorsNeedUpdate = !1,
            this.uvsNeedUpdate = !1,
            this.groupsNeedUpdate = !1
        }
        return h(e, [{
            key: "computeGroups",
            value: function(e) {
                for (var t, n = [], i = void 0, r = e.faces, a = 0; a < r.length; a++) {
                    var o = r[a];
                    o.materialIndex !== i && (i = o.materialIndex,
                    void 0 !== t && (t.count = 3 * a - t.start,
                    n.push(t)),
                    t = {
                        start: 3 * a,
                        materialIndex: i
                    })
                }
                void 0 !== t && (t.count = 3 * a - t.start,
                n.push(t)),
                this.groups = n
            }
        }, {
            key: "fromGeometry",
            value: function(e) {
                var t = e.faces
                  , n = e.vertices
                  , i = e.faceVertexUvs
                  , r = i[0] && 0 < i[0].length
                  , a = i[1] && 0 < i[1].length
                  , o = e.morphTargets
                  , s = o.length;
                if (0 < s) {
                    for (var l = [], u = 0; u < s; u++)
                        l[u] = {
                            name: o[u].name,
                            data: []
                        };
                    this.morphTargets.position = l
                }
                var c = e.morphNormals
                  , d = c.length;
                if (0 < d) {
                    for (var h = [], p = 0; p < d; p++)
                        h[p] = {
                            name: c[p].name,
                            data: []
                        };
                    this.morphTargets.normal = h
                }
                var f = e.skinIndices
                  , m = e.skinWeights
                  , v = f.length === n.length
                  , g = m.length === n.length;
                0 < n.length && 0 === t.length && console.error("THREE.DirectGeometry: Faceless geometries are not supported.");
                for (var y = 0; y < t.length; y++) {
                    var w = t[y];
                    this.vertices.push(n[w.a], n[w.b], n[w.c]);
                    var b = w.vertexNormals;
                    3 === b.length ? this.normals.push(b[0], b[1], b[2]) : (E = w.normal,
                    this.normals.push(E, E, E));
                    var x, E = w.vertexColors;
                    3 === E.length ? this.colors.push(E[0], E[1], E[2]) : (E = w.color,
                    this.colors.push(E, E, E)),
                    !0 === r && (void 0 !== (x = i[0][y]) ? this.uvs.push(x[0], x[1], x[2]) : (console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ", y),
                    this.uvs.push(new yn, new yn, new yn))),
                    !0 === a && (void 0 !== (x = i[1][y]) ? this.uvs2.push(x[0], x[1], x[2]) : (console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ", y),
                    this.uvs2.push(new yn, new yn, new yn)));
                    for (var _ = 0; _ < s; _++) {
                        var M = o[_].vertices;
                        l[_].data.push(M[w.a], M[w.b], M[w.c])
                    }
                    for (var A = 0; A < d; A++) {
                        var T = c[A].vertexNormals[y];
                        h[A].data.push(T.a, T.b, T.c)
                    }
                    v && this.skinIndices.push(f[w.a], f[w.b], f[w.c]),
                    g && this.skinWeights.push(m[w.a], m[w.b], m[w.c])
                }
                return this.computeGroups(e),
                this.verticesNeedUpdate = e.verticesNeedUpdate,
                this.normalsNeedUpdate = e.normalsNeedUpdate,
                this.colorsNeedUpdate = e.colorsNeedUpdate,
                this.uvsNeedUpdate = e.uvsNeedUpdate,
                this.groupsNeedUpdate = e.groupsNeedUpdate,
                null !== e.boundingSphere && (this.boundingSphere = e.boundingSphere.clone()),
                null !== e.boundingBox && (this.boundingBox = e.boundingBox.clone()),
                this
            }
        }]),
        e
    }();
    function fr(e) {
        if (0 === e.length)
            return -1 / 0;
        for (var t = e[0], n = 1, i = e.length; n < i; ++n)
            e[n] > t && (t = e[n]);
        return t
    }
    var mr = {
        Int8Array: Int8Array,
        Uint8Array: Uint8Array,
        Uint8ClampedArray: "undefined" != typeof Uint8ClampedArray ? Uint8ClampedArray : Uint8Array,
        Int16Array: Int16Array,
        Uint16Array: Uint16Array,
        Int32Array: Int32Array,
        Uint32Array: Uint32Array,
        Float32Array: Float32Array,
        Float64Array: Float64Array
    };
    function vr(e, t) {
        return new mr[e](t)
    }
    var gr = 1
      , yr = new ni
      , wr = new Si
      , br = new Cn
      , xr = new kn
      , Er = new kn
      , _r = new Cn;
    function Mr() {
        Object.defineProperty(this, "id", {
            value: gr += 2
        }),
        this.uuid = gn.generateUUID(),
        this.name = "",
        this.type = "BufferGeometry",
        this.index = null,
        this.attributes = {},
        this.morphAttributes = {},
        this.morphTargetsRelative = !1,
        this.groups = [],
        this.boundingBox = null,
        this.boundingSphere = null,
        this.drawRange = {
            start: 0,
            count: 1 / 0
        },
        this.userData = {}
    }
    Mr.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: Mr,
        isBufferGeometry: !0,
        getIndex: function() {
            return this.index
        },
        setIndex: function(e) {
            return Array.isArray(e) ? this.index = new (65535 < fr(e) ? ur : sr)(e,1) : this.index = e,
            this
        },
        getAttribute: function(e) {
            return this.attributes[e]
        },
        setAttribute: function(e, t) {
            return this.attributes[e] = t,
            this
        },
        deleteAttribute: function(e) {
            return delete this.attributes[e],
            this
        },
        hasAttribute: function(e) {
            return void 0 !== this.attributes[e]
        },
        addGroup: function(e, t) {
            this.groups.push({
                start: e,
                count: t,
                materialIndex: 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
            })
        },
        clearGroups: function() {
            this.groups = []
        },
        setDrawRange: function(e, t) {
            this.drawRange.start = e,
            this.drawRange.count = t
        },
        applyMatrix4: function(e) {
            var t = this.attributes.position;
            void 0 !== t && (t.applyMatrix4(e),
            t.needsUpdate = !0);
            var n = this.attributes.normal;
            void 0 !== n && (t = (new wn).getNormalMatrix(e),
            n.applyNormalMatrix(t),
            n.needsUpdate = !0);
            n = this.attributes.tangent;
            return void 0 !== n && (n.transformDirection(e),
            n.needsUpdate = !0),
            null !== this.boundingBox && this.computeBoundingBox(),
            null !== this.boundingSphere && this.computeBoundingSphere(),
            this
        },
        rotateX: function(e) {
            return yr.makeRotationX(e),
            this.applyMatrix4(yr),
            this
        },
        rotateY: function(e) {
            return yr.makeRotationY(e),
            this.applyMatrix4(yr),
            this
        },
        rotateZ: function(e) {
            return yr.makeRotationZ(e),
            this.applyMatrix4(yr),
            this
        },
        translate: function(e, t, n) {
            return yr.makeTranslation(e, t, n),
            this.applyMatrix4(yr),
            this
        },
        scale: function(e, t, n) {
            return yr.makeScale(e, t, n),
            this.applyMatrix4(yr),
            this
        },
        lookAt: function(e) {
            return wr.lookAt(e),
            wr.updateMatrix(),
            this.applyMatrix4(wr.matrix),
            this
        },
        center: function() {
            return this.computeBoundingBox(),
            this.boundingBox.getCenter(br).negate(),
            this.translate(br.x, br.y, br.z),
            this
        },
        setFromObject: function(e) {
            var t, n, i = e.geometry;
            return e.isPoints || e.isLine ? (t = new dr(3 * i.vertices.length,3),
            n = new dr(3 * i.colors.length,3),
            this.setAttribute("position", t.copyVector3sArray(i.vertices)),
            this.setAttribute("color", n.copyColorsArray(i.colors)),
            i.lineDistances && i.lineDistances.length === i.vertices.length && (n = new dr(i.lineDistances.length,1),
            this.setAttribute("lineDistance", n.copyArray(i.lineDistances))),
            null !== i.boundingSphere && (this.boundingSphere = i.boundingSphere.clone()),
            null !== i.boundingBox && (this.boundingBox = i.boundingBox.clone())) : e.isMesh && i && i.isGeometry && this.fromGeometry(i),
            this
        },
        setFromPoints: function(e) {
            for (var t = [], n = 0, i = e.length; n < i; n++) {
                var r = e[n];
                t.push(r.x, r.y, r.z || 0)
            }
            return this.setAttribute("position", new dr(t,3)),
            this
        },
        updateFromObject: function(e) {
            var t, n, i = e.geometry;
            if (e.isMesh) {
                var r = i.__directGeometry;
                if (!0 === i.elementsNeedUpdate && (r = void 0,
                i.elementsNeedUpdate = !1),
                void 0 === r)
                    return this.fromGeometry(i);
                r.verticesNeedUpdate = i.verticesNeedUpdate,
                r.normalsNeedUpdate = i.normalsNeedUpdate,
                r.colorsNeedUpdate = i.colorsNeedUpdate,
                r.uvsNeedUpdate = i.uvsNeedUpdate,
                r.groupsNeedUpdate = i.groupsNeedUpdate,
                i.verticesNeedUpdate = !1,
                i.normalsNeedUpdate = !1,
                i.colorsNeedUpdate = !1,
                i.uvsNeedUpdate = !1,
                i.groupsNeedUpdate = !1,
                i = r
            }
            return !0 === i.verticesNeedUpdate && (void 0 !== (r = this.attributes.position) && (r.copyVector3sArray(i.vertices),
            r.needsUpdate = !0),
            i.verticesNeedUpdate = !1),
            !0 === i.normalsNeedUpdate && (void 0 !== (t = this.attributes.normal) && (t.copyVector3sArray(i.normals),
            t.needsUpdate = !0),
            i.normalsNeedUpdate = !1),
            !0 === i.colorsNeedUpdate && (void 0 !== (t = this.attributes.color) && (t.copyColorsArray(i.colors),
            t.needsUpdate = !0),
            i.colorsNeedUpdate = !1),
            i.uvsNeedUpdate && (void 0 !== (n = this.attributes.uv) && (n.copyVector2sArray(i.uvs),
            n.needsUpdate = !0),
            i.uvsNeedUpdate = !1),
            i.lineDistancesNeedUpdate && (void 0 !== (n = this.attributes.lineDistance) && (n.copyArray(i.lineDistances),
            n.needsUpdate = !0),
            i.lineDistancesNeedUpdate = !1),
            i.groupsNeedUpdate && (i.computeGroups(e.geometry),
            this.groups = i.groups,
            i.groupsNeedUpdate = !1),
            this
        },
        fromGeometry: function(e) {
            return e.__directGeometry = (new pr).fromGeometry(e),
            this.fromDirectGeometry(e.__directGeometry)
        },
        fromDirectGeometry: function(e) {
            var t, n, i, r, a = new Float32Array(3 * e.vertices.length);
            for (i in this.setAttribute("position", new nr(a,3).copyVector3sArray(e.vertices)),
            0 < e.normals.length && (t = new Float32Array(3 * e.normals.length),
            this.setAttribute("normal", new nr(t,3).copyVector3sArray(e.normals))),
            0 < e.colors.length && (t = new Float32Array(3 * e.colors.length),
            this.setAttribute("color", new nr(t,3).copyColorsArray(e.colors))),
            0 < e.uvs.length && (n = new Float32Array(2 * e.uvs.length),
            this.setAttribute("uv", new nr(n,2).copyVector2sArray(e.uvs))),
            0 < e.uvs2.length && (n = new Float32Array(2 * e.uvs2.length),
            this.setAttribute("uv2", new nr(n,2).copyVector2sArray(e.uvs2))),
            this.groups = e.groups,
            e.morphTargets) {
                for (var o = [], s = e.morphTargets[i], l = 0, u = s.length; l < u; l++) {
                    var c = s[l]
                      , d = new dr(3 * c.data.length,3);
                    d.name = c.name,
                    o.push(d.copyVector3sArray(c.data))
                }
                this.morphAttributes[i] = o
            }
            return 0 < e.skinIndices.length && (r = new dr(4 * e.skinIndices.length,4),
            this.setAttribute("skinIndex", r.copyVector4sArray(e.skinIndices))),
            0 < e.skinWeights.length && (r = new dr(4 * e.skinWeights.length,4),
            this.setAttribute("skinWeight", r.copyVector4sArray(e.skinWeights))),
            null !== e.boundingSphere && (this.boundingSphere = e.boundingSphere.clone()),
            null !== e.boundingBox && (this.boundingBox = e.boundingBox.clone()),
            this
        },
        computeBoundingBox: function() {
            null === this.boundingBox && (this.boundingBox = new kn);
            var e = this.attributes.position
              , t = this.morphAttributes.position;
            if (e && e.isGLBufferAttribute)
                return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".', this),
                void this.boundingBox.set(new Cn(-1 / 0,-1 / 0,-1 / 0), new Cn(1 / 0,1 / 0,1 / 0));
            if (void 0 !== e) {
                if (this.boundingBox.setFromBufferAttribute(e),
                t)
                    for (var n = 0, i = t.length; n < i; n++) {
                        var r = t[n];
                        xr.setFromBufferAttribute(r),
                        this.morphTargetsRelative ? (_r.addVectors(this.boundingBox.min, xr.min),
                        this.boundingBox.expandByPoint(_r),
                        _r.addVectors(this.boundingBox.max, xr.max),
                        this.boundingBox.expandByPoint(_r)) : (this.boundingBox.expandByPoint(xr.min),
                        this.boundingBox.expandByPoint(xr.max))
                    }
            } else
                this.boundingBox.makeEmpty();
            (isNaN(this.boundingBox.min.x) || isNaN(this.boundingBox.min.y) || isNaN(this.boundingBox.min.z)) && console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.', this)
        },
        computeBoundingSphere: function() {
            null === this.boundingSphere && (this.boundingSphere = new qn);
            var e = this.attributes.position
              , t = this.morphAttributes.position;
            if (e && e.isGLBufferAttribute)
                return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".', this),
                void this.boundingSphere.set(new Cn, 1 / 0);
            if (e) {
                var n = this.boundingSphere.center;
                if (xr.setFromBufferAttribute(e),
                t)
                    for (var i = 0, r = t.length; i < r; i++) {
                        var a = t[i];
                        Er.setFromBufferAttribute(a),
                        this.morphTargetsRelative ? (_r.addVectors(xr.min, Er.min),
                        xr.expandByPoint(_r),
                        _r.addVectors(xr.max, Er.max),
                        xr.expandByPoint(_r)) : (xr.expandByPoint(Er.min),
                        xr.expandByPoint(Er.max))
                    }
                xr.getCenter(n);
                for (var o = 0, s = 0, l = e.count; s < l; s++)
                    _r.fromBufferAttribute(e, s),
                    o = Math.max(o, n.distanceToSquared(_r));
                if (t)
                    for (var u = 0, c = t.length; u < c; u++)
                        for (var d = t[u], h = this.morphTargetsRelative, p = 0, f = d.count; p < f; p++)
                            _r.fromBufferAttribute(d, p),
                            h && (br.fromBufferAttribute(e, p),
                            _r.add(br)),
                            o = Math.max(o, n.distanceToSquared(_r));
                this.boundingSphere.radius = Math.sqrt(o),
                isNaN(this.boundingSphere.radius) && console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.', this)
            }
        },
        computeFaceNormals: function() {},
        computeVertexNormals: function() {
            var e = this.index
              , t = this.getAttribute("position");
            if (void 0 !== t) {
                var n = this.getAttribute("normal");
                if (void 0 === n)
                    n = new nr(new Float32Array(3 * t.count),3),
                    this.setAttribute("normal", n);
                else
                    for (var i = 0, r = n.count; i < r; i++)
                        n.setXYZ(i, 0, 0, 0);
                var a = new Cn
                  , o = new Cn
                  , s = new Cn
                  , l = new Cn
                  , u = new Cn
                  , c = new Cn
                  , d = new Cn
                  , h = new Cn;
                if (e)
                    for (var p = 0, f = e.count; p < f; p += 3) {
                        var m = e.getX(p + 0)
                          , v = e.getX(p + 1)
                          , g = e.getX(p + 2);
                        a.fromBufferAttribute(t, m),
                        o.fromBufferAttribute(t, v),
                        s.fromBufferAttribute(t, g),
                        d.subVectors(s, o),
                        h.subVectors(a, o),
                        d.cross(h),
                        l.fromBufferAttribute(n, m),
                        u.fromBufferAttribute(n, v),
                        c.fromBufferAttribute(n, g),
                        l.add(d),
                        u.add(d),
                        c.add(d),
                        n.setXYZ(m, l.x, l.y, l.z),
                        n.setXYZ(v, u.x, u.y, u.z),
                        n.setXYZ(g, c.x, c.y, c.z)
                    }
                else
                    for (var y = 0, w = t.count; y < w; y += 3)
                        a.fromBufferAttribute(t, y + 0),
                        o.fromBufferAttribute(t, y + 1),
                        s.fromBufferAttribute(t, y + 2),
                        d.subVectors(s, o),
                        h.subVectors(a, o),
                        d.cross(h),
                        n.setXYZ(y + 0, d.x, d.y, d.z),
                        n.setXYZ(y + 1, d.x, d.y, d.z),
                        n.setXYZ(y + 2, d.x, d.y, d.z);
                this.normalizeNormals(),
                n.needsUpdate = !0
            }
        },
        merge: function(e, t) {
            if (e && e.isBufferGeometry) {
                void 0 === t && (t = 0,
                console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));
                var n, i = this.attributes;
                for (n in i)
                    if (void 0 !== e.attributes[n])
                        for (var r = i[n].array, a = e.attributes[n], o = a.array, a = a.itemSize * t, s = Math.min(o.length, r.length - a), l = 0, u = a; l < s; l++,
                        u++)
                            r[u] = o[l];
                return this
            }
            console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.", e)
        },
        normalizeNormals: function() {
            for (var e = this.attributes.normal, t = 0, n = e.count; t < n; t++)
                _r.fromBufferAttribute(e, t),
                _r.normalize(),
                e.setXYZ(t, _r.x, _r.y, _r.z)
        },
        toNonIndexed: function() {
            function e(e, t) {
                for (var n = e.array, i = e.itemSize, e = e.normalized, r = new n.constructor(t.length * i), a = 0, o = 0, s = 0, l = t.length; s < l; s++)
                    for (var a = t[s] * i, u = 0; u < i; u++)
                        r[o++] = n[a++];
                return new nr(r,i,e)
            }
            if (null === this.index)
                return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),
                this;
            var t, n = new Mr, i = this.index.array, r = this.attributes;
            for (t in r) {
                var a = e(r[t], i);
                n.setAttribute(t, a)
            }
            var o, s = this.morphAttributes;
            for (o in s) {
                for (var l = [], u = s[o], c = 0, d = u.length; c < d; c++) {
                    var h = e(u[c], i);
                    l.push(h)
                }
                n.morphAttributes[o] = l
            }
            n.morphTargetsRelative = this.morphTargetsRelative;
            for (var p = this.groups, f = 0, m = p.length; f < m; f++) {
                var v = p[f];
                n.addGroup(v.start, v.count, v.materialIndex)
            }
            return n
        },
        toJSON: function() {
            var e = {
                metadata: {
                    version: 4.5,
                    type: "BufferGeometry",
                    generator: "BufferGeometry.toJSON"
                }
            };
            if (e.uuid = this.uuid,
            e.type = this.type,
            "" !== this.name && (e.name = this.name),
            0 < Object.keys(this.userData).length && (e.userData = this.userData),
            void 0 !== this.parameters) {
                var t, n = this.parameters;
                for (t in n)
                    void 0 !== n[t] && (e[t] = n[t]);
                return e
            }
            e.data = {
                attributes: {}
            };
            var i = this.index;
            null !== i && (e.data.index = {
                type: i.array.constructor.name,
                array: Array.prototype.slice.call(i.array)
            });
            var r, a = this.attributes;
            for (r in a) {
                var o = a[r]
                  , s = o.toJSON(e.data);
                "" !== o.name && (s.name = o.name),
                e.data.attributes[r] = s
            }
            var l, u = {}, c = !1;
            for (l in this.morphAttributes) {
                for (var d = this.morphAttributes[l], h = [], p = 0, f = d.length; p < f; p++) {
                    var m = d[p]
                      , v = m.toJSON(e.data);
                    "" !== m.name && (v.name = m.name),
                    h.push(v)
                }
                0 < h.length && (u[l] = h,
                c = !0)
            }
            c && (e.data.morphAttributes = u,
            e.data.morphTargetsRelative = this.morphTargetsRelative);
            i = this.groups;
            0 < i.length && (e.data.groups = JSON.parse(JSON.stringify(i)));
            i = this.boundingSphere;
            return null !== i && (e.data.boundingSphere = {
                center: i.center.toArray(),
                radius: i.radius
            }),
            e
        },
        clone: function() {
            return (new Mr).copy(this)
        },
        copy: function(e) {
            this.index = null,
            this.attributes = {},
            this.morphAttributes = {},
            this.groups = [],
            this.boundingBox = null,
            this.boundingSphere = null;
            var t = {};
            this.name = e.name;
            var n = e.index;
            null !== n && this.setIndex(n.clone(t));
            var i, r = e.attributes;
            for (i in r) {
                var a = r[i];
                this.setAttribute(i, a.clone(t))
            }
            var o, s = e.morphAttributes;
            for (o in s) {
                for (var l = [], u = s[o], c = 0, d = u.length; c < d; c++)
                    l.push(u[c].clone(t));
                this.morphAttributes[o] = l
            }
            this.morphTargetsRelative = e.morphTargetsRelative;
            for (var h = e.groups, p = 0, f = h.length; p < f; p++) {
                var m = h[p];
                this.addGroup(m.start, m.count, m.materialIndex)
            }
            n = e.boundingBox;
            null !== n && (this.boundingBox = n.clone());
            n = e.boundingSphere;
            return null !== n && (this.boundingSphere = n.clone()),
            this.drawRange.start = e.drawRange.start,
            this.drawRange.count = e.drawRange.count,
            this.userData = e.userData,
            this
        },
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        }
    });
    var Ar = new ni
      , Tr = new ti
      , Sr = new qn
      , Cr = new Cn
      , Pr = new Cn
      , Dr = new Cn
      , kr = new Cn
      , Br = new Cn
      , Lr = new Cn
      , Rr = new Cn
      , Fr = new Cn
      , Ir = new Cn
      , Or = new yn
      , zr = new yn
      , Nr = new yn
      , Ur = new Cn
      , Gr = new Cn;
    function Hr() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Mr
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new $i;
        Si.call(this),
        this.type = "Mesh",
        this.geometry = e,
        this.material = t,
        this.updateMorphTargets()
    }
    function Vr(e, t, n, i, r, a, o, s) {
        t = t.side === J ? i.intersectTriangle(o, a, r, !0, s) : i.intersectTriangle(r, a, o, t.side !== Y, s);
        if (null === t)
            return null;
        Gr.copy(s),
        Gr.applyMatrix4(e.matrixWorld);
        s = n.ray.origin.distanceTo(Gr);
        return s < n.near || s > n.far ? null : {
            distance: s,
            point: Gr.clone(),
            object: e
        }
    }
    function jr(e, t, n, i, r, a, o, s, l, u, c, d) {
        Cr.fromBufferAttribute(r, u),
        Pr.fromBufferAttribute(r, c),
        Dr.fromBufferAttribute(r, d);
        var h = e.morphTargetInfluences;
        if (t.morphTargets && a && h) {
            Rr.set(0, 0, 0),
            Fr.set(0, 0, 0),
            Ir.set(0, 0, 0);
            for (var p = 0, f = a.length; p < f; p++) {
                var m = h[p]
                  , v = a[p];
                0 !== m && (kr.fromBufferAttribute(v, u),
                Br.fromBufferAttribute(v, c),
                Lr.fromBufferAttribute(v, d),
                o ? (Rr.addScaledVector(kr, m),
                Fr.addScaledVector(Br, m),
                Ir.addScaledVector(Lr, m)) : (Rr.addScaledVector(kr.sub(Cr), m),
                Fr.addScaledVector(Br.sub(Pr), m),
                Ir.addScaledVector(Lr.sub(Dr), m)))
            }
            Cr.add(Rr),
            Pr.add(Fr),
            Dr.add(Ir)
        }
        e.isSkinnedMesh && (e.boneTransform(u, Cr),
        e.boneTransform(c, Pr),
        e.boneTransform(d, Dr));
        i = Vr(e, t, n, i, Cr, Pr, Dr, Ur);
        return i && (s && (Or.fromBufferAttribute(s, u),
        zr.fromBufferAttribute(s, c),
        Nr.fromBufferAttribute(s, d),
        i.uv = Hi.getUV(Ur, Cr, Pr, Dr, Or, zr, Nr, new yn)),
        l && (Or.fromBufferAttribute(l, u),
        zr.fromBufferAttribute(l, c),
        Nr.fromBufferAttribute(l, d),
        i.uv2 = Hi.getUV(Ur, Cr, Pr, Dr, Or, zr, Nr, new yn)),
        l = new Zi(u,c,d),
        Hi.getNormal(Cr, Pr, Dr, l.normal),
        i.face = l),
        i
    }
    Hr.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: Hr,
        isMesh: !0,
        copy: function(e) {
            return Si.prototype.copy.call(this, e),
            void 0 !== e.morphTargetInfluences && (this.morphTargetInfluences = e.morphTargetInfluences.slice()),
            void 0 !== e.morphTargetDictionary && (this.morphTargetDictionary = Object.assign({}, e.morphTargetDictionary)),
            this.material = e.material,
            this.geometry = e.geometry,
            this
        },
        updateMorphTargets: function() {
            var e = this.geometry;
            if (e.isBufferGeometry) {
                var t = e.morphAttributes
                  , n = Object.keys(t);
                if (0 < n.length) {
                    var i = t[n[0]];
                    if (void 0 !== i) {
                        this.morphTargetInfluences = [],
                        this.morphTargetDictionary = {};
                        for (var r = 0, a = i.length; r < a; r++) {
                            var o = i[r].name || String(r);
                            this.morphTargetInfluences.push(0),
                            this.morphTargetDictionary[o] = r
                        }
                    }
                }
            } else {
                e = e.morphTargets;
                void 0 !== e && 0 < e.length && console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")
            }
        },
        raycast: function(e, t) {
            var n = this.geometry
              , i = this.material
              , r = this.matrixWorld;
            if (void 0 !== i && (null === n.boundingSphere && n.computeBoundingSphere(),
            Sr.copy(n.boundingSphere),
            Sr.applyMatrix4(r),
            !1 !== e.ray.intersectsSphere(Sr) && (Ar.copy(r).invert(),
            Tr.copy(e.ray).applyMatrix4(Ar),
            null === n.boundingBox || !1 !== Tr.intersectsBox(n.boundingBox))))
                if (n.isBufferGeometry) {
                    var a = n.index
                      , o = n.attributes.position
                      , s = n.morphAttributes.position
                      , l = n.morphTargetsRelative
                      , u = n.attributes.uv
                      , c = n.attributes.uv2
                      , d = n.groups
                      , h = n.drawRange;
                    if (null !== a)
                        if (Array.isArray(i))
                            for (var p = 0, f = d.length; p < f; p++)
                                for (var m = d[p], v = i[m.materialIndex], g = Math.max(m.start, h.start), y = Math.min(m.start + m.count, h.start + h.count); g < y; g += 3) {
                                    var w, b = a.getX(g), x = a.getX(g + 1), E = a.getX(g + 2);
                                    (w = jr(this, v, e, Tr, o, s, l, u, c, b, x, E)) && (w.faceIndex = Math.floor(g / 3),
                                    w.face.materialIndex = m.materialIndex,
                                    t.push(w))
                                }
                        else
                            for (var _ = Math.max(0, h.start), M = Math.min(a.count, h.start + h.count); _ < M; _ += 3) {
                                var A = a.getX(_)
                                  , T = a.getX(_ + 1)
                                  , S = a.getX(_ + 2);
                                (w = jr(this, i, e, Tr, o, s, l, u, c, A, T, S)) && (w.faceIndex = Math.floor(_ / 3),
                                t.push(w))
                            }
                    else if (void 0 !== o)
                        if (Array.isArray(i))
                            for (var C = 0, P = d.length; C < P; C++)
                                for (var D = d[C], k = i[D.materialIndex], B = Math.max(D.start, h.start), L = Math.min(D.start + D.count, h.start + h.count); B < L; B += 3)
                                    (w = jr(this, k, e, Tr, o, s, l, u, c, B, B + 1, B + 2)) && (w.faceIndex = Math.floor(B / 3),
                                    w.face.materialIndex = D.materialIndex,
                                    t.push(w));
                        else
                            for (var R = Math.max(0, h.start), F = Math.min(o.count, h.start + h.count); R < F; R += 3)
                                (w = jr(this, i, e, Tr, o, s, l, u, c, R, R + 1, R + 2)) && (w.faceIndex = Math.floor(R / 3),
                                t.push(w))
                } else if (n.isGeometry) {
                    var I, O = Array.isArray(i), z = n.vertices, N = n.faces, n = n.faceVertexUvs[0];
                    0 < n.length && (I = n);
                    for (var U = 0, G = N.length; U < G; U++) {
                        var H, V, j, W = N[U], X = O ? i[W.materialIndex] : i;
                        void 0 !== X && (H = z[W.a],
                        V = z[W.b],
                        j = z[W.c],
                        (w = Vr(this, X, e, Tr, H, V, j, Ur)) && (I && I[U] && (X = I[U],
                        Or.copy(X[0]),
                        zr.copy(X[1]),
                        Nr.copy(X[2]),
                        w.uv = Hi.getUV(Ur, H, V, j, Or, zr, Nr, new yn)),
                        w.face = W,
                        w.faceIndex = U,
                        t.push(w)))
                    }
                }
        }
    });
    var Wr = function() {
        y(u, Mr);
        var l = w(u);
        function u() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 1, o = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 1;
            O(this, u),
            (e = l.call(this)).type = "BoxBufferGeometry",
            e.parameters = {
                width: t,
                height: n,
                depth: i,
                widthSegments: r,
                heightSegments: a,
                depthSegments: o
            };
            var D = g(e)
              , r = Math.floor(r)
              , a = Math.floor(a)
              , o = Math.floor(o)
              , k = []
              , B = []
              , L = []
              , R = []
              , F = 0
              , I = 0;
            function s(e, t, n, i, r, a, o, s, l, u, c) {
                for (var d = a / l, h = o / u, p = a / 2, f = o / 2, m = s / 2, v = l + 1, g = u + 1, y = 0, w = 0, b = new Cn, x = 0; x < g; x++)
                    for (var E = x * h - f, _ = 0; _ < v; _++)
                        b[e] = (_ * d - p) * i,
                        b[t] = E * r,
                        b[n] = m,
                        B.push(b.x, b.y, b.z),
                        b[e] = 0,
                        b[t] = 0,
                        b[n] = 0 < s ? 1 : -1,
                        L.push(b.x, b.y, b.z),
                        R.push(_ / l),
                        R.push(1 - x / u),
                        y += 1;
                for (var M = 0; M < u; M++)
                    for (var A = 0; A < l; A++) {
                        var T = F + A + v * M
                          , S = F + A + v * (M + 1)
                          , C = F + (A + 1) + v * (M + 1)
                          , P = F + (A + 1) + v * M;
                        k.push(T, S, P),
                        k.push(S, C, P),
                        w += 6
                    }
                D.addGroup(I, w, c),
                I += w,
                F += y
            }
            return s("z", "y", "x", -1, -1, i, n, t, o, a, 0),
            s("z", "y", "x", 1, -1, i, n, -t, o, a, 1),
            s("x", "z", "y", 1, 1, t, i, n, r, o, 2),
            s("x", "z", "y", 1, -1, t, i, -n, r, o, 3),
            s("x", "y", "z", 1, -1, t, n, i, r, a, 4),
            s("x", "y", "z", -1, -1, t, n, -i, r, a, 5),
            e.setIndex(k),
            e.setAttribute("position", new dr(B,3)),
            e.setAttribute("normal", new dr(L,3)),
            e.setAttribute("uv", new dr(R,2)),
            e
        }
        return h(u)
    }();
    function Xr(e) {
        var t, n = {};
        for (t in e)
            for (var i in n[t] = {},
            e[t]) {
                var r = e[t][i];
                r && (r.isColor || r.isMatrix3 || r.isMatrix4 || r.isVector2 || r.isVector3 || r.isVector4 || r.isTexture) ? n[t][i] = r.clone() : Array.isArray(r) ? n[t][i] = r.slice() : n[t][i] = r
            }
        return n
    }
    function qr(e) {
        for (var t = {}, n = 0; n < e.length; n++) {
            var i, r = Xr(e[n]);
            for (i in r)
                t[i] = r[i]
        }
        return t
    }
    var Jr = {
        clone: Xr,
        merge: qr
    }
      , Yr = "void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}"
      , Zr = "void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";
    function Qr(e) {
        Ki.call(this),
        this.type = "ShaderMaterial",
        this.defines = {},
        this.uniforms = {},
        this.vertexShader = Yr,
        this.fragmentShader = Zr,
        this.lineWidth = 1,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.fog = !1,
        this.lights = !1,
        this.clipping = !1,
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.extensions = {
            derivatives: !1,
            fragDepth: !1,
            drawBuffers: !1,
            shaderTextureLOD: !1
        },
        this.defaultAttributeValues = {
            color: [1, 1, 1],
            uv: [0, 0],
            uv2: [0, 0]
        },
        this.index0AttributeName = void 0,
        this.uniformsNeedUpdate = !1,
        this.glslVersion = null,
        void 0 !== e && (void 0 !== e.attributes && console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),
        this.setValues(e))
    }
    function Kr() {
        Si.call(this),
        this.type = "Camera",
        this.matrixWorldInverse = new ni,
        this.projectionMatrix = new ni,
        this.projectionMatrixInverse = new ni
    }
    function $r() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 50
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : .1
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 2e3;
        Kr.call(this),
        this.type = "PerspectiveCamera",
        this.fov = e,
        this.zoom = 1,
        this.near = n,
        this.far = i,
        this.focus = 10,
        this.aspect = t,
        this.view = null,
        this.filmGauge = 35,
        this.filmOffset = 0,
        this.updateProjectionMatrix()
    }
    ((Qr.prototype = Object.create(Ki.prototype)).constructor = Qr).prototype.isShaderMaterial = !0,
    Qr.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.fragmentShader = e.fragmentShader,
        this.vertexShader = e.vertexShader,
        this.uniforms = Xr(e.uniforms),
        this.defines = Object.assign({}, e.defines),
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.lights = e.lights,
        this.clipping = e.clipping,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this.extensions = Object.assign({}, e.extensions),
        this.glslVersion = e.glslVersion,
        this
    }
    ,
    Qr.prototype.toJSON = function(e) {
        var t, n = Ki.prototype.toJSON.call(this, e);
        for (t in n.glslVersion = this.glslVersion,
        n.uniforms = {},
        this.uniforms) {
            var i = this.uniforms[t].value;
            i && i.isTexture ? n.uniforms[t] = {
                type: "t",
                value: i.toJSON(e).uuid
            } : i && i.isColor ? n.uniforms[t] = {
                type: "c",
                value: i.getHex()
            } : i && i.isVector2 ? n.uniforms[t] = {
                type: "v2",
                value: i.toArray()
            } : i && i.isVector3 ? n.uniforms[t] = {
                type: "v3",
                value: i.toArray()
            } : i && i.isVector4 ? n.uniforms[t] = {
                type: "v4",
                value: i.toArray()
            } : i && i.isMatrix3 ? n.uniforms[t] = {
                type: "m3",
                value: i.toArray()
            } : i && i.isMatrix4 ? n.uniforms[t] = {
                type: "m4",
                value: i.toArray()
            } : n.uniforms[t] = {
                value: i
            }
        }
        0 < Object.keys(this.defines).length && (n.defines = this.defines),
        n.vertexShader = this.vertexShader,
        n.fragmentShader = this.fragmentShader;
        var r, a = {};
        for (r in this.extensions)
            !0 === this.extensions[r] && (a[r] = !0);
        return 0 < Object.keys(a).length && (n.extensions = a),
        n
    }
    ,
    Kr.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: Kr,
        isCamera: !0,
        copy: function(e, t) {
            return Si.prototype.copy.call(this, e, t),
            this.matrixWorldInverse.copy(e.matrixWorldInverse),
            this.projectionMatrix.copy(e.projectionMatrix),
            this.projectionMatrixInverse.copy(e.projectionMatrixInverse),
            this
        },
        getWorldDirection: function(e) {
            void 0 === e && (console.warn("THREE.Camera: .getWorldDirection() target is now required"),
            e = new Cn),
            this.updateWorldMatrix(!0, !1);
            var t = this.matrixWorld.elements;
            return e.set(-t[8], -t[9], -t[10]).normalize()
        },
        updateMatrixWorld: function(e) {
            Si.prototype.updateMatrixWorld.call(this, e),
            this.matrixWorldInverse.copy(this.matrixWorld).invert()
        },
        updateWorldMatrix: function(e, t) {
            Si.prototype.updateWorldMatrix.call(this, e, t),
            this.matrixWorldInverse.copy(this.matrixWorld).invert()
        },
        clone: function() {
            return (new this.constructor).copy(this)
        }
    }),
    $r.prototype = Object.assign(Object.create(Kr.prototype), {
        constructor: $r,
        isPerspectiveCamera: !0,
        copy: function(e, t) {
            return Kr.prototype.copy.call(this, e, t),
            this.fov = e.fov,
            this.zoom = e.zoom,
            this.near = e.near,
            this.far = e.far,
            this.focus = e.focus,
            this.aspect = e.aspect,
            this.view = null === e.view ? null : Object.assign({}, e.view),
            this.filmGauge = e.filmGauge,
            this.filmOffset = e.filmOffset,
            this
        },
        setFocalLength: function(e) {
            e = .5 * this.getFilmHeight() / e;
            this.fov = 2 * gn.RAD2DEG * Math.atan(e),
            this.updateProjectionMatrix()
        },
        getFocalLength: function() {
            var e = Math.tan(.5 * gn.DEG2RAD * this.fov);
            return .5 * this.getFilmHeight() / e
        },
        getEffectiveFOV: function() {
            return 2 * gn.RAD2DEG * Math.atan(Math.tan(.5 * gn.DEG2RAD * this.fov) / this.zoom)
        },
        getFilmWidth: function() {
            return this.filmGauge * Math.min(this.aspect, 1)
        },
        getFilmHeight: function() {
            return this.filmGauge / Math.max(this.aspect, 1)
        },
        setViewOffset: function(e, t, n, i, r, a) {
            this.aspect = e / t,
            null === this.view && (this.view = {
                enabled: !0,
                fullWidth: 1,
                fullHeight: 1,
                offsetX: 0,
                offsetY: 0,
                width: 1,
                height: 1
            }),
            this.view.enabled = !0,
            this.view.fullWidth = e,
            this.view.fullHeight = t,
            this.view.offsetX = n,
            this.view.offsetY = i,
            this.view.width = r,
            this.view.height = a,
            this.updateProjectionMatrix()
        },
        clearViewOffset: function() {
            null !== this.view && (this.view.enabled = !1),
            this.updateProjectionMatrix()
        },
        updateProjectionMatrix: function() {
            var e, t = this.near, n = t * Math.tan(.5 * gn.DEG2RAD * this.fov) / this.zoom, i = 2 * n, r = this.aspect * i, a = -.5 * r, o = this.view;
            null !== this.view && this.view.enabled && (e = o.fullWidth,
            s = o.fullHeight,
            a += o.offsetX * r / e,
            n -= o.offsetY * i / s,
            r *= o.width / e,
            i *= o.height / s);
            var s = this.filmOffset;
            0 !== s && (a += t * s / this.getFilmWidth()),
            this.projectionMatrix.makePerspective(a, a + r, n, n - i, t, this.far),
            this.projectionMatrixInverse.copy(this.projectionMatrix).invert()
        },
        toJSON: function(e) {
            e = Si.prototype.toJSON.call(this, e);
            return e.object.fov = this.fov,
            e.object.zoom = this.zoom,
            e.object.near = this.near,
            e.object.far = this.far,
            e.object.focus = this.focus,
            e.object.aspect = this.aspect,
            null !== this.view && (e.object.view = Object.assign({}, this.view)),
            e.object.filmGauge = this.filmGauge,
            e.object.filmOffset = this.filmOffset,
            e
        }
    });
    function ea(e, t, a) {
        var o, s, l, u, c, d;
        Si.call(this),
        this.type = "CubeCamera",
        !0 === a.isWebGLCubeRenderTarget ? (this.renderTarget = a,
        (o = new $r(90,1,e,t)).layers = this.layers,
        o.up.set(0, -1, 0),
        o.lookAt(new Cn(1,0,0)),
        this.add(o),
        (s = new $r(90,1,e,t)).layers = this.layers,
        s.up.set(0, -1, 0),
        s.lookAt(new Cn(-1,0,0)),
        this.add(s),
        (l = new $r(90,1,e,t)).layers = this.layers,
        l.up.set(0, 0, 1),
        l.lookAt(new Cn(0,1,0)),
        this.add(l),
        (u = new $r(90,1,e,t)).layers = this.layers,
        u.up.set(0, 0, -1),
        u.lookAt(new Cn(0,-1,0)),
        this.add(u),
        (c = new $r(90,1,e,t)).layers = this.layers,
        c.up.set(0, -1, 0),
        c.lookAt(new Cn(0,0,1)),
        this.add(c),
        (d = new $r(90,1,e,t)).layers = this.layers,
        d.up.set(0, -1, 0),
        d.lookAt(new Cn(0,0,-1)),
        this.add(d),
        this.update = function(e, t) {
            null === this.parent && this.updateMatrixWorld();
            var n = e.xr.enabled
              , i = e.getRenderTarget();
            e.xr.enabled = !1;
            var r = a.texture.generateMipmaps;
            a.texture.generateMipmaps = !1,
            e.setRenderTarget(a, 0),
            e.render(t, o),
            e.setRenderTarget(a, 1),
            e.render(t, s),
            e.setRenderTarget(a, 2),
            e.render(t, l),
            e.setRenderTarget(a, 3),
            e.render(t, u),
            e.setRenderTarget(a, 4),
            e.render(t, c),
            a.texture.generateMipmaps = r,
            e.setRenderTarget(a, 5),
            e.render(t, d),
            e.setRenderTarget(i),
            e.xr.enabled = n
        }
        ) : console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.")
    }
    function ta(e, t, n, i, r, a, o, s, l, u) {
        En.call(this, e = void 0 !== e ? e : [], t = void 0 !== t ? t : L, n, i, r, a, o = void 0 !== o ? o : $e, s, l, u),
        this.flipY = !1,
        this._needsFlipEnvMap = !0
    }
    function na(e, t, n) {
        Number.isInteger(t) && (console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),
        t = n),
        An.call(this, e, e, t),
        this.texture = new ta(void 0,(t = t || {}).mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.encoding),
        this.texture._needsFlipEnvMap = !1
    }
    function ia(e, t, n, i, r, a, o, s, l, u, c, d) {
        En.call(this, null, a, o, s, l, u, i, r, c, d),
        this.image = {
            data: e || null,
            width: t || 1,
            height: n || 1
        },
        this.magFilter = void 0 !== l ? l : Re,
        this.minFilter = void 0 !== u ? u : Re,
        this.generateMipmaps = !1,
        this.flipY = !1,
        this.unpackAlignment = 1,
        this.needsUpdate = !0
    }
    (ea.prototype = Object.create(Si.prototype)).constructor = ea,
    ((ta.prototype = Object.create(En.prototype)).constructor = ta).prototype.isCubeTexture = !0,
    Object.defineProperty(ta.prototype, "images", {
        get: function() {
            return this.image
        },
        set: function(e) {
            this.image = e
        }
    }),
    ((na.prototype = Object.create(An.prototype)).constructor = na).prototype.isWebGLCubeRenderTarget = !0,
    na.prototype.fromEquirectangularTexture = function(e, t) {
        this.texture.type = t.type,
        this.texture.format = et,
        this.texture.encoding = t.encoding,
        this.texture.generateMipmaps = t.generateMipmaps,
        this.texture.minFilter = t.minFilter,
        this.texture.magFilter = t.magFilter;
        var n = {
            tEquirect: {
                value: null
            }
        }
          , i = "\n\n\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t#include <begin_vertex>\n\t\t\t\t#include <project_vertex>\n\n\t\t\t}\n\t\t"
          , r = "\n\n\t\t\tuniform sampler2D tEquirect;\n\n\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t}\n\t\t"
          , a = new Wr(5,5,5)
          , r = new Qr({
            name: "CubemapFromEquirect",
            uniforms: Xr(n),
            vertexShader: i,
            fragmentShader: r,
            side: J,
            blending: Z
        });
        r.uniforms.tEquirect.value = t;
        a = new Hr(a,r),
        r = t.minFilter;
        return t.minFilter === Ne && (t.minFilter = Oe),
        new ea(1,10,this).update(e, a),
        t.minFilter = r,
        a.geometry.dispose(),
        a.material.dispose(),
        this
    }
    ,
    na.prototype.clear = function(e, t, n, i) {
        for (var r = e.getRenderTarget(), a = 0; a < 6; a++)
            e.setRenderTarget(this, a),
            e.clear(t, n, i);
        e.setRenderTarget(r)
    }
    ,
    ((ia.prototype = Object.create(En.prototype)).constructor = ia).prototype.isDataTexture = !0;
    var ra = new qn
      , aa = new Cn
      , oa = function() {
        function o(e, t, n, i, r, a) {
            O(this, o),
            this.planes = [void 0 !== e ? e : new ki, void 0 !== t ? t : new ki, void 0 !== n ? n : new ki, void 0 !== i ? i : new ki, void 0 !== r ? r : new ki, void 0 !== a ? a : new ki]
        }
        return h(o, [{
            key: "set",
            value: function(e, t, n, i, r, a) {
                var o = this.planes;
                return o[0].copy(e),
                o[1].copy(t),
                o[2].copy(n),
                o[3].copy(i),
                o[4].copy(r),
                o[5].copy(a),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                for (var t = this.planes, n = 0; n < 6; n++)
                    t[n].copy(e.planes[n]);
                return this
            }
        }, {
            key: "setFromProjectionMatrix",
            value: function(e) {
                var t = this.planes
                  , n = e.elements
                  , i = n[0]
                  , r = n[1]
                  , a = n[2]
                  , o = n[3]
                  , s = n[4]
                  , l = n[5]
                  , u = n[6]
                  , c = n[7]
                  , d = n[8]
                  , h = n[9]
                  , p = n[10]
                  , f = n[11]
                  , m = n[12]
                  , v = n[13]
                  , e = n[14]
                  , n = n[15];
                return t[0].setComponents(o - i, c - s, f - d, n - m).normalize(),
                t[1].setComponents(o + i, c + s, f + d, n + m).normalize(),
                t[2].setComponents(o + r, c + l, f + h, n + v).normalize(),
                t[3].setComponents(o - r, c - l, f - h, n - v).normalize(),
                t[4].setComponents(o - a, c - u, f - p, n - e).normalize(),
                t[5].setComponents(o + a, c + u, f + p, n + e).normalize(),
                this
            }
        }, {
            key: "intersectsObject",
            value: function(e) {
                var t = e.geometry;
                return null === t.boundingSphere && t.computeBoundingSphere(),
                ra.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),
                this.intersectsSphere(ra)
            }
        }, {
            key: "intersectsSprite",
            value: function(e) {
                return ra.center.set(0, 0, 0),
                ra.radius = .7071067811865476,
                ra.applyMatrix4(e.matrixWorld),
                this.intersectsSphere(ra)
            }
        }, {
            key: "intersectsSphere",
            value: function(e) {
                for (var t = this.planes, n = e.center, i = -e.radius, r = 0; r < 6; r++)
                    if (t[r].distanceToPoint(n) < i)
                        return !1;
                return !0
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                for (var t = this.planes, n = 0; n < 6; n++) {
                    var i = t[n];
                    if (aa.x = (0 < i.normal.x ? e.max : e.min).x,
                    aa.y = (0 < i.normal.y ? e.max : e.min).y,
                    aa.z = (0 < i.normal.z ? e.max : e.min).z,
                    i.distanceToPoint(aa) < 0)
                        return !1
                }
                return !0
            }
        }, {
            key: "containsPoint",
            value: function(e) {
                for (var t = this.planes, n = 0; n < 6; n++)
                    if (t[n].distanceToPoint(e) < 0)
                        return !1;
                return !0
            }
        }]),
        o
    }();
    function sa() {
        var n = null
          , e = !1
          , i = null
          , r = null;
        function a(e, t) {
            i(e, t),
            r = n.requestAnimationFrame(a)
        }
        return {
            start: function() {
                !0 !== e && null !== i && (r = n.requestAnimationFrame(a),
                e = !0)
            },
            stop: function() {
                n.cancelAnimationFrame(r),
                e = !1
            },
            setAnimationLoop: function(e) {
                i = e
            },
            setContext: function(e) {
                n = e
            }
        }
    }
    function la(l, e) {
        var u = e.isWebGL2
          , c = new WeakMap;
        return {
            get: function(e) {
                return e.isInterleavedBufferAttribute && (e = e.data),
                c.get(e)
            },
            remove: function(e) {
                e.isInterleavedBufferAttribute && (e = e.data);
                var t = c.get(e);
                t && (l.deleteBuffer(t.buffer),
                c.delete(e))
            },
            update: function(e, t) {
                var n, i, r, a, o, s;
                e.isGLBufferAttribute ? (!(s = c.get(e)) || s.version < e.version) && c.set(e, {
                    buffer: e.buffer,
                    type: e.type,
                    bytesPerElement: e.elementSize,
                    version: e.version
                }) : (e.isInterleavedBufferAttribute && (e = e.data),
                void 0 === (n = c.get(e)) ? c.set(e, (r = t,
                a = (i = e).array,
                o = i.usage,
                s = l.createBuffer(),
                l.bindBuffer(r, s),
                l.bufferData(r, a, o),
                i.onUploadCallback(),
                o = 5126,
                a instanceof Float32Array ? o = 5126 : a instanceof Float64Array ? console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array.") : a instanceof Uint16Array ? i.isFloat16BufferAttribute ? u ? o = 5131 : console.warn("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.") : o = 5123 : a instanceof Int16Array ? o = 5122 : a instanceof Uint32Array ? o = 5125 : a instanceof Int32Array ? o = 5124 : a instanceof Int8Array ? o = 5120 : a instanceof Uint8Array && (o = 5121),
                {
                    buffer: s,
                    type: o,
                    bytesPerElement: a.BYTES_PER_ELEMENT,
                    version: i.version
                })) : n.version < e.version && (o = n.buffer,
                a = t,
                t = (i = e).array,
                i = i.updateRange,
                l.bindBuffer(a, o),
                -1 === i.count ? l.bufferSubData(a, 0, t) : (u ? l.bufferSubData(a, i.offset * t.BYTES_PER_ELEMENT, t, i.offset, i.count) : l.bufferSubData(a, i.offset * t.BYTES_PER_ELEMENT, t.subarray(i.offset, i.offset + i.count)),
                i.count = -1),
                n.version = e.version))
            }
        }
    }
    var ua = function() {
        y(T, Mr);
        var A = w(T);
        function T() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1;
            O(this, T),
            (e = A.call(this)).type = "PlaneBufferGeometry",
            e.parameters = {
                width: t,
                height: n,
                widthSegments: i,
                heightSegments: r
            };
            for (var a = t / 2, o = n / 2, s = Math.floor(i), l = Math.floor(r), u = s + 1, c = l + 1, d = t / s, h = n / l, p = [], f = [], m = [], v = [], g = 0; g < c; g++)
                for (var y = g * h - o, w = 0; w < u; w++)
                    f.push(w * d - a, -y, 0),
                    m.push(0, 0, 1),
                    v.push(w / s),
                    v.push(1 - g / l);
            for (var b = 0; b < l; b++)
                for (var x = 0; x < s; x++) {
                    var E = x + u * (b + 1)
                      , _ = x + 1 + u * (b + 1)
                      , M = x + 1 + u * b;
                    p.push(x + u * b, E, M),
                    p.push(E, _, M)
                }
            return e.setIndex(p),
            e.setAttribute("position", new dr(f,3)),
            e.setAttribute("normal", new dr(m,3)),
            e.setAttribute("uv", new dr(v,2)),
            e
        }
        return h(T)
    }()
      , ca = {
        alphamap_fragment: "#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",
        alphamap_pars_fragment: "#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",
        alphatest_fragment: "#ifdef ALPHATEST\n\tif ( diffuseColor.a < ALPHATEST ) discard;\n#endif",
        aomap_fragment: "#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.specularRoughness );\n\t#endif\n#endif",
        aomap_pars_fragment: "#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",
        begin_vertex: "vec3 transformed = vec3( position );",
        beginnormal_vertex: "vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",
        bsdfs: "vec2 integrateSpecularBRDF( const in float dotNV, const in float roughness ) {\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\treturn vec2( -1.04, 1.04 ) * a004 + r.zw;\n}\nfloat punctualLightIntensityToIrradianceFactor( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",
        bumpmap_pars_fragment: "#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",
        clipping_planes_fragment: "#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",
        clipping_planes_pars_fragment: "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",
        clipping_planes_pars_vertex: "#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",
        clipping_planes_vertex: "#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",
        color_fragment: "#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",
        color_pars_fragment: "#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",
        color_pars_vertex: "#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",
        color_vertex: "#if defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor.xyz *= color.xyz;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",
        common: "#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",
        cube_uv_reflection_fragment: "#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",
        defaultnormal_vertex: "vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",
        displacementmap_pars_vertex: "#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",
        displacementmap_vertex: "#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",
        emissivemap_fragment: "#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",
        emissivemap_pars_fragment: "#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",
        encodings_fragment: "gl_FragColor = linearToOutputTexel( gl_FragColor );",
        encodings_pars_fragment: "\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",
        envmap_fragment: "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",
        envmap_common_pars_fragment: "#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",
        envmap_pars_fragment: "#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",
        envmap_pars_vertex: "#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",
        envmap_physical_pars_fragment: "#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( -viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",
        envmap_vertex: "#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",
        fog_vertex: "#ifdef USE_FOG\n\tfogDepth = - mvPosition.z;\n#endif",
        fog_pars_vertex: "#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",
        fog_fragment: "#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",
        fog_pars_fragment: "#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",
        gradientmap_pars_fragment: "#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",
        lightmap_fragment: "#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",
        lightmap_pars_fragment: "#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",
        lights_lambert_vertex: "vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",
        lights_pars_begin: "uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",
        lights_toon_fragment: "ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",
        lights_toon_pars_fragment: "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",
        lights_phong_fragment: "BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",
        lights_phong_pars_fragment: "varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",
        lights_physical_fragment: "PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",
        lights_physical_pars_fragment: "struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat specularRoughness;\n\tvec3 specularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",
        lights_fragment_begin: "\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",
        lights_fragment_maps: "#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",
        lights_fragment_end: "#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",
        logdepthbuf_fragment: "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",
        logdepthbuf_pars_fragment: "#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",
        logdepthbuf_pars_vertex: "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",
        logdepthbuf_vertex: "#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",
        map_fragment: "#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",
        map_pars_fragment: "#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",
        map_particle_fragment: "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",
        map_particle_pars_fragment: "#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",
        metalnessmap_fragment: "float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",
        metalnessmap_pars_fragment: "#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",
        morphnormal_vertex: "#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",
        morphtarget_pars_vertex: "#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\t\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\t\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",
        morphtarget_vertex: "#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",
        normal_fragment_begin: "#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",
        normal_fragment_maps: "#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif",
        normalmap_pars_fragment: "#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif",
        clearcoat_normal_fragment_begin: "#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",
        clearcoat_normal_fragment_maps: "#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif",
        clearcoat_pars_fragment: "#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",
        packing: "vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",
        premultiplied_alpha_fragment: "#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",
        project_vertex: "vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",
        dithering_fragment: "#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",
        dithering_pars_fragment: "#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",
        roughnessmap_fragment: "float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",
        roughnessmap_pars_fragment: "#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",
        shadowmap_pars_fragment: "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",
        shadowmap_pars_vertex: "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",
        shadowmap_vertex: "#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",
        shadowmask_pars_fragment: "float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",
        skinbase_vertex: "#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",
        skinning_pars_vertex: "#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",
        skinning_vertex: "#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",
        skinnormal_vertex: "#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",
        specularmap_fragment: "float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",
        specularmap_pars_fragment: "#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",
        tonemapping_fragment: "#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",
        tonemapping_pars_fragment: "#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",
        transmissionmap_fragment: "#ifdef USE_TRANSMISSIONMAP\n\ttotalTransmission *= texture2D( transmissionMap, vUv ).r;\n#endif",
        transmissionmap_pars_fragment: "#ifdef USE_TRANSMISSIONMAP\n\tuniform sampler2D transmissionMap;\n#endif",
        uv_pars_fragment: "#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",
        uv_pars_vertex: "#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",
        uv_vertex: "#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",
        uv2_pars_fragment: "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",
        uv2_pars_vertex: "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",
        uv2_vertex: "#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",
        worldpos_vertex: "#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",
        background_frag: "uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",
        background_vert: "varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",
        cube_frag: "#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",
        cube_vert: "varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",
        depth_frag: "#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",
        depth_vert: "#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",
        distanceRGBA_frag: "#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",
        distanceRGBA_vert: "#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",
        equirect_frag: "uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",
        equirect_vert: "varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",
        linedashed_frag: "uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",
        linedashed_vert: "uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",
        meshbasic_frag: "uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshbasic_vert: "#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_ENVMAP\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",
        meshlambert_frag: "uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshlambert_vert: "#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",
        meshmatcap_frag: "#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshmatcap_vert: "#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",
        meshtoon_frag: "#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshtoon_vert: "#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",
        meshphong_frag: "#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshphong_vert: "#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",
        meshphysical_frag: "#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSMISSION\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSMISSION\n\tuniform float transmission;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <transmissionmap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <lights_physical_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#ifdef TRANSMISSION\n\t\tfloat totalTransmission = transmission;\n\t#endif\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <transmissionmap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSMISSION\n\t\tdiffuseColor.a *= mix( saturate( 1. - totalTransmission + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) ), 1.0, metalness );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",
        meshphysical_vert: "#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",
        normal_frag: "#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",
        normal_vert: "#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",
        points_frag: "uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",
        points_vert: "uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",
        shadow_frag: "uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",
        shadow_vert: "#include <common>\n#include <fog_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",
        sprite_frag: "uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",
        sprite_vert: "uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}"
    }
      , da = {
        common: {
            diffuse: {
                value: new Yi(15658734)
            },
            opacity: {
                value: 1
            },
            map: {
                value: null
            },
            uvTransform: {
                value: new wn
            },
            uv2Transform: {
                value: new wn
            },
            alphaMap: {
                value: null
            }
        },
        specularmap: {
            specularMap: {
                value: null
            }
        },
        envmap: {
            envMap: {
                value: null
            },
            flipEnvMap: {
                value: -1
            },
            reflectivity: {
                value: 1
            },
            refractionRatio: {
                value: .98
            },
            maxMipLevel: {
                value: 0
            }
        },
        aomap: {
            aoMap: {
                value: null
            },
            aoMapIntensity: {
                value: 1
            }
        },
        lightmap: {
            lightMap: {
                value: null
            },
            lightMapIntensity: {
                value: 1
            }
        },
        emissivemap: {
            emissiveMap: {
                value: null
            }
        },
        bumpmap: {
            bumpMap: {
                value: null
            },
            bumpScale: {
                value: 1
            }
        },
        normalmap: {
            normalMap: {
                value: null
            },
            normalScale: {
                value: new yn(1,1)
            }
        },
        displacementmap: {
            displacementMap: {
                value: null
            },
            displacementScale: {
                value: 1
            },
            displacementBias: {
                value: 0
            }
        },
        roughnessmap: {
            roughnessMap: {
                value: null
            }
        },
        metalnessmap: {
            metalnessMap: {
                value: null
            }
        },
        gradientmap: {
            gradientMap: {
                value: null
            }
        },
        fog: {
            fogDensity: {
                value: 25e-5
            },
            fogNear: {
                value: 1
            },
            fogFar: {
                value: 2e3
            },
            fogColor: {
                value: new Yi(16777215)
            }
        },
        lights: {
            ambientLightColor: {
                value: []
            },
            lightProbe: {
                value: []
            },
            directionalLights: {
                value: [],
                properties: {
                    direction: {},
                    color: {}
                }
            },
            directionalLightShadows: {
                value: [],
                properties: {
                    shadowBias: {},
                    shadowNormalBias: {},
                    shadowRadius: {},
                    shadowMapSize: {}
                }
            },
            directionalShadowMap: {
                value: []
            },
            directionalShadowMatrix: {
                value: []
            },
            spotLights: {
                value: [],
                properties: {
                    color: {},
                    position: {},
                    direction: {},
                    distance: {},
                    coneCos: {},
                    penumbraCos: {},
                    decay: {}
                }
            },
            spotLightShadows: {
                value: [],
                properties: {
                    shadowBias: {},
                    shadowNormalBias: {},
                    shadowRadius: {},
                    shadowMapSize: {}
                }
            },
            spotShadowMap: {
                value: []
            },
            spotShadowMatrix: {
                value: []
            },
            pointLights: {
                value: [],
                properties: {
                    color: {},
                    position: {},
                    decay: {},
                    distance: {}
                }
            },
            pointLightShadows: {
                value: [],
                properties: {
                    shadowBias: {},
                    shadowNormalBias: {},
                    shadowRadius: {},
                    shadowMapSize: {},
                    shadowCameraNear: {},
                    shadowCameraFar: {}
                }
            },
            pointShadowMap: {
                value: []
            },
            pointShadowMatrix: {
                value: []
            },
            hemisphereLights: {
                value: [],
                properties: {
                    direction: {},
                    skyColor: {},
                    groundColor: {}
                }
            },
            rectAreaLights: {
                value: [],
                properties: {
                    color: {},
                    position: {},
                    width: {},
                    height: {}
                }
            },
            ltc_1: {
                value: null
            },
            ltc_2: {
                value: null
            }
        },
        points: {
            diffuse: {
                value: new Yi(15658734)
            },
            opacity: {
                value: 1
            },
            size: {
                value: 1
            },
            scale: {
                value: 1
            },
            map: {
                value: null
            },
            alphaMap: {
                value: null
            },
            uvTransform: {
                value: new wn
            }
        },
        sprite: {
            diffuse: {
                value: new Yi(15658734)
            },
            opacity: {
                value: 1
            },
            center: {
                value: new yn(.5,.5)
            },
            rotation: {
                value: 0
            },
            map: {
                value: null
            },
            alphaMap: {
                value: null
            },
            uvTransform: {
                value: new wn
            }
        }
    }
      , ha = {
        basic: {
            uniforms: qr([da.common, da.specularmap, da.envmap, da.aomap, da.lightmap, da.fog]),
            vertexShader: ca.meshbasic_vert,
            fragmentShader: ca.meshbasic_frag
        },
        lambert: {
            uniforms: qr([da.common, da.specularmap, da.envmap, da.aomap, da.lightmap, da.emissivemap, da.fog, da.lights, {
                emissive: {
                    value: new Yi(0)
                }
            }]),
            vertexShader: ca.meshlambert_vert,
            fragmentShader: ca.meshlambert_frag
        },
        phong: {
            uniforms: qr([da.common, da.specularmap, da.envmap, da.aomap, da.lightmap, da.emissivemap, da.bumpmap, da.normalmap, da.displacementmap, da.fog, da.lights, {
                emissive: {
                    value: new Yi(0)
                },
                specular: {
                    value: new Yi(1118481)
                },
                shininess: {
                    value: 30
                }
            }]),
            vertexShader: ca.meshphong_vert,
            fragmentShader: ca.meshphong_frag
        },
        standard: {
            uniforms: qr([da.common, da.envmap, da.aomap, da.lightmap, da.emissivemap, da.bumpmap, da.normalmap, da.displacementmap, da.roughnessmap, da.metalnessmap, da.fog, da.lights, {
                emissive: {
                    value: new Yi(0)
                },
                roughness: {
                    value: 1
                },
                metalness: {
                    value: 0
                },
                envMapIntensity: {
                    value: 1
                }
            }]),
            vertexShader: ca.meshphysical_vert,
            fragmentShader: ca.meshphysical_frag
        },
        toon: {
            uniforms: qr([da.common, da.aomap, da.lightmap, da.emissivemap, da.bumpmap, da.normalmap, da.displacementmap, da.gradientmap, da.fog, da.lights, {
                emissive: {
                    value: new Yi(0)
                }
            }]),
            vertexShader: ca.meshtoon_vert,
            fragmentShader: ca.meshtoon_frag
        },
        matcap: {
            uniforms: qr([da.common, da.bumpmap, da.normalmap, da.displacementmap, da.fog, {
                matcap: {
                    value: null
                }
            }]),
            vertexShader: ca.meshmatcap_vert,
            fragmentShader: ca.meshmatcap_frag
        },
        points: {
            uniforms: qr([da.points, da.fog]),
            vertexShader: ca.points_vert,
            fragmentShader: ca.points_frag
        },
        dashed: {
            uniforms: qr([da.common, da.fog, {
                scale: {
                    value: 1
                },
                dashSize: {
                    value: 1
                },
                totalSize: {
                    value: 2
                }
            }]),
            vertexShader: ca.linedashed_vert,
            fragmentShader: ca.linedashed_frag
        },
        depth: {
            uniforms: qr([da.common, da.displacementmap]),
            vertexShader: ca.depth_vert,
            fragmentShader: ca.depth_frag
        },
        normal: {
            uniforms: qr([da.common, da.bumpmap, da.normalmap, da.displacementmap, {
                opacity: {
                    value: 1
                }
            }]),
            vertexShader: ca.normal_vert,
            fragmentShader: ca.normal_frag
        },
        sprite: {
            uniforms: qr([da.sprite, da.fog]),
            vertexShader: ca.sprite_vert,
            fragmentShader: ca.sprite_frag
        },
        background: {
            uniforms: {
                uvTransform: {
                    value: new wn
                },
                t2D: {
                    value: null
                }
            },
            vertexShader: ca.background_vert,
            fragmentShader: ca.background_frag
        },
        cube: {
            uniforms: qr([da.envmap, {
                opacity: {
                    value: 1
                }
            }]),
            vertexShader: ca.cube_vert,
            fragmentShader: ca.cube_frag
        },
        equirect: {
            uniforms: {
                tEquirect: {
                    value: null
                }
            },
            vertexShader: ca.equirect_vert,
            fragmentShader: ca.equirect_frag
        },
        distanceRGBA: {
            uniforms: qr([da.common, da.displacementmap, {
                referencePosition: {
                    value: new Cn
                },
                nearDistance: {
                    value: 1
                },
                farDistance: {
                    value: 1e3
                }
            }]),
            vertexShader: ca.distanceRGBA_vert,
            fragmentShader: ca.distanceRGBA_frag
        },
        shadow: {
            uniforms: qr([da.lights, da.fog, {
                color: {
                    value: new Yi(0)
                },
                opacity: {
                    value: 1
                }
            }]),
            vertexShader: ca.shadow_vert,
            fragmentShader: ca.shadow_frag
        }
    };
    function pa(a, o, n, s, i) {
        var l, u, c = new Yi(0), d = 0, h = null, p = 0, f = null;
        function m(e, t) {
            n.buffers.color.setClear(e.r, e.g, e.b, t, i)
        }
        return {
            getClearColor: function() {
                return c
            },
            setClearColor: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1;
                c.set(e),
                m(c, d = t)
            },
            getClearAlpha: function() {
                return d
            },
            setClearAlpha: function(e) {
                m(c, d = e)
            },
            render: function(e, t, n, i) {
                var r = !0 === t.isScene ? t.background : null;
                r && r.isTexture && (r = o.get(r)),
                t = (t = a.xr).getSession && t.getSession(),
                null === (r = t && "additive" === t.environmentBlendMode ? null : r) ? m(c, d) : r && r.isColor && (m(r, 1),
                i = !0),
                (a.autoClear || i) && a.clear(a.autoClearColor, a.autoClearDepth, a.autoClearStencil),
                r && (r.isCubeTexture || r.isWebGLCubeRenderTarget || r.mapping === z) ? (void 0 === u && ((u = new Hr(new Wr(1,1,1),new Qr({
                    name: "BackgroundCubeMaterial",
                    uniforms: Xr(ha.cube.uniforms),
                    vertexShader: ha.cube.vertexShader,
                    fragmentShader: ha.cube.fragmentShader,
                    side: J,
                    depthTest: !1,
                    depthWrite: !1,
                    fog: !1
                }))).geometry.deleteAttribute("normal"),
                u.geometry.deleteAttribute("uv"),
                u.onBeforeRender = function(e, t, n) {
                    this.matrixWorld.copyPosition(n.matrixWorld)
                }
                ,
                Object.defineProperty(u.material, "envMap", {
                    get: function() {
                        return this.uniforms.envMap.value
                    }
                }),
                s.update(u)),
                r.isWebGLCubeRenderTarget && (r = r.texture),
                u.material.uniforms.envMap.value = r,
                u.material.uniforms.flipEnvMap.value = r.isCubeTexture && r._needsFlipEnvMap ? -1 : 1,
                h === r && p === r.version && f === a.toneMapping || (u.material.needsUpdate = !0,
                p = (h = r).version,
                f = a.toneMapping),
                e.unshift(u, u.geometry, u.material, 0, 0, null)) : r && r.isTexture && (void 0 === l && ((l = new Hr(new ua(2,2),new Qr({
                    name: "BackgroundMaterial",
                    uniforms: Xr(ha.background.uniforms),
                    vertexShader: ha.background.vertexShader,
                    fragmentShader: ha.background.fragmentShader,
                    side: q,
                    depthTest: !1,
                    depthWrite: !1,
                    fog: !1
                }))).geometry.deleteAttribute("normal"),
                Object.defineProperty(l.material, "map", {
                    get: function() {
                        return this.uniforms.t2D.value
                    }
                }),
                s.update(l)),
                !0 === (l.material.uniforms.t2D.value = r).matrixAutoUpdate && r.updateMatrix(),
                l.material.uniforms.uvTransform.value.copy(r.matrix),
                h === r && p === r.version && f === a.toneMapping || (l.material.needsUpdate = !0,
                p = (h = r).version,
                f = a.toneMapping),
                e.unshift(l, l.geometry, l.material, 0, 0, null))
            }
        }
    }
    function fa(x, E, _, M) {
        var a = x.getParameter(34921)
          , s = M.isWebGL2 ? null : E.get("OES_vertex_array_object")
          , l = M.isWebGL2 || null !== s
          , u = {}
          , e = h(null)
          , c = e;
        function d(e) {
            return M.isWebGL2 ? x.bindVertexArray(e) : s.bindVertexArrayOES(e)
        }
        function o(e) {
            return M.isWebGL2 ? x.deleteVertexArray(e) : s.deleteVertexArrayOES(e)
        }
        function h(e) {
            for (var t = [], n = [], i = [], r = 0; r < a; r++)
                t[r] = 0,
                n[r] = 0,
                i[r] = 0;
            return {
                geometry: null,
                program: null,
                wireframe: !1,
                newAttributes: t,
                enabledAttributes: n,
                attributeDivisors: i,
                object: e,
                attributes: {},
                index: null
            }
        }
        function A() {
            for (var e = c.newAttributes, t = 0, n = e.length; t < n; t++)
                e[t] = 0
        }
        function T(e) {
            S(e, 0)
        }
        function S(e, t) {
            var n = c.newAttributes
              , i = c.enabledAttributes
              , r = c.attributeDivisors;
            n[e] = 1,
            0 === i[e] && (x.enableVertexAttribArray(e),
            i[e] = 1),
            r[e] !== t && ((M.isWebGL2 ? x : E.get("ANGLE_instanced_arrays"))[M.isWebGL2 ? "vertexAttribDivisor" : "vertexAttribDivisorANGLE"](e, t),
            r[e] = t)
        }
        function C() {
            for (var e = c.newAttributes, t = c.enabledAttributes, n = 0, i = t.length; n < i; n++)
                t[n] !== e[n] && (x.disableVertexAttribArray(n),
                t[n] = 0)
        }
        function P(e, t, n, i, r, a) {
            !0 !== M.isWebGL2 || 5124 !== n && 5125 !== n ? x.vertexAttribPointer(e, t, n, i, r, a) : x.vertexAttribIPointer(e, t, n, r, a)
        }
        function p() {
            t(),
            c !== e && d((c = e).object)
        }
        function t() {
            e.geometry = null,
            e.program = null,
            e.wireframe = !1
        }
        return {
            setup: function(e, t, n, i, r) {
                var a, o = !1;
                l ? (a = function(e, t, n) {
                    var i = !0 === n.wireframe
                      , n = u[e.id];
                    void 0 === n && (n = {},
                    u[e.id] = n);
                    e = n[t.id];
                    void 0 === e && (e = {},
                    n[t.id] = e);
                    t = e[i];
                    void 0 === t && (t = h(M.isWebGL2 ? x.createVertexArray() : s.createVertexArrayOES()),
                    e[i] = t);
                    return t
                }(i, n, t),
                c !== a && d((c = a).object),
                (o = function(e, t) {
                    var n, i = c.attributes, r = e.attributes, a = 0;
                    for (n in r) {
                        var o = i[n]
                          , s = r[n];
                        if (void 0 === o)
                            return !0;
                        if (o.attribute !== s)
                            return !0;
                        if (o.data !== s.data)
                            return !0;
                        a++
                    }
                    return c.attributesNum !== a || c.index !== t
                }(i, r)) && function(e, t) {
                    var n, i = {}, r = e.attributes, a = 0;
                    for (n in r) {
                        var o = r[n]
                          , s = {};
                        (s.attribute = o).data && (s.data = o.data),
                        i[n] = s,
                        a++
                    }
                    c.attributes = i,
                    c.attributesNum = a,
                    c.index = t
                }(i, r)) : (a = !0 === t.wireframe,
                c.geometry === i.id && c.program === n.id && c.wireframe === a || (c.geometry = i.id,
                c.program = n.id,
                c.wireframe = a,
                o = !0)),
                !0 === e.isInstancedMesh && (o = !0),
                null !== r && _.update(r, 34963),
                o && (function(e, t, n, i) {
                    if (!1 === M.isWebGL2 && (e.isInstancedMesh || i.isInstancedBufferGeometry) && null === E.get("ANGLE_instanced_arrays"))
                        return;
                    A();
                    var r, a = i.attributes, o = n.getAttributes(), s = t.defaultAttributeValues;
                    for (r in o) {
                        var l = o[r];
                        if (0 <= l) {
                            var u = a[r];
                            if (void 0 !== u) {
                                var c, d, h, p, f, m = u.normalized, v = u.itemSize, g = _.get(u);
                                void 0 !== g && (c = g.buffer,
                                d = g.type,
                                h = g.bytesPerElement,
                                u.isInterleavedBufferAttribute ? (p = u.data,
                                f = p.stride,
                                g = u.offset,
                                p && p.isInstancedInterleavedBuffer ? (S(l, p.meshPerAttribute),
                                void 0 === i._maxInstanceCount && (i._maxInstanceCount = p.meshPerAttribute * p.count)) : T(l),
                                x.bindBuffer(34962, c),
                                P(l, v, d, m, f * h, g * h)) : (u.isInstancedBufferAttribute ? (S(l, u.meshPerAttribute),
                                void 0 === i._maxInstanceCount && (i._maxInstanceCount = u.meshPerAttribute * u.count)) : T(l),
                                x.bindBuffer(34962, c),
                                P(l, v, d, m, 0, 0)))
                            } else if ("instanceMatrix" === r) {
                                m = _.get(e.instanceMatrix);
                                void 0 !== m && (w = m.buffer,
                                y = m.type,
                                S(l + 0, 1),
                                S(l + 1, 1),
                                S(l + 2, 1),
                                S(l + 3, 1),
                                x.bindBuffer(34962, w),
                                x.vertexAttribPointer(l + 0, 4, y, !1, 64, 0),
                                x.vertexAttribPointer(l + 1, 4, y, !1, 64, 16),
                                x.vertexAttribPointer(l + 2, 4, y, !1, 64, 32),
                                x.vertexAttribPointer(l + 3, 4, y, !1, 64, 48))
                            } else if ("instanceColor" === r) {
                                var y, w = _.get(e.instanceColor);
                                void 0 !== w && (y = w.buffer,
                                w = w.type,
                                S(l, 1),
                                x.bindBuffer(34962, y),
                                x.vertexAttribPointer(l, 3, w, !1, 12, 0))
                            } else if (void 0 !== s) {
                                var b = s[r];
                                if (void 0 !== b)
                                    switch (b.length) {
                                    case 2:
                                        x.vertexAttrib2fv(l, b);
                                        break;
                                    case 3:
                                        x.vertexAttrib3fv(l, b);
                                        break;
                                    case 4:
                                        x.vertexAttrib4fv(l, b);
                                        break;
                                    default:
                                        x.vertexAttrib1fv(l, b)
                                    }
                            }
                        }
                    }
                    C()
                }(e, t, n, i),
                null !== r && x.bindBuffer(34963, _.get(r).buffer))
            },
            reset: p,
            resetDefaultState: t,
            dispose: function() {
                for (var e in p(),
                u) {
                    var t, n = u[e];
                    for (t in n) {
                        var i, r = n[t];
                        for (i in r)
                            o(r[i].object),
                            delete r[i];
                        delete n[t]
                    }
                    delete u[e]
                }
            },
            releaseStatesOfGeometry: function(e) {
                if (void 0 !== u[e.id]) {
                    var t, n = u[e.id];
                    for (t in n) {
                        var i, r = n[t];
                        for (i in r)
                            o(r[i].object),
                            delete r[i];
                        delete n[t]
                    }
                    delete u[e.id]
                }
            },
            releaseStatesOfProgram: function(e) {
                for (var t in u) {
                    t = u[t];
                    if (void 0 !== t[e.id]) {
                        var n, i = t[e.id];
                        for (n in i)
                            o(i[n].object),
                            delete i[n];
                        delete t[e.id]
                    }
                }
            },
            initAttributes: A,
            enableAttribute: T,
            disableUnusedAttributes: C
        }
    }
    function ma(a, o, s, e) {
        var l, u = e.isWebGL2;
        this.setMode = function(e) {
            l = e
        }
        ,
        this.render = function(e, t) {
            a.drawArrays(l, e, t),
            s.update(t, l, 1)
        }
        ,
        this.renderInstances = function(e, t, n) {
            if (0 !== n) {
                var i, r;
                if (u)
                    i = a,
                    r = "drawArraysInstanced";
                else if (r = "drawArraysInstancedANGLE",
                null === (i = o.get("ANGLE_instanced_arrays")))
                    return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");
                i[r](l, e, t, n),
                s.update(t, l, n)
            }
        }
    }
    function va(t, n, e) {
        var i;
        function r(e) {
            if ("highp" === e) {
                if (0 < t.getShaderPrecisionFormat(35633, 36338).precision && 0 < t.getShaderPrecisionFormat(35632, 36338).precision)
                    return "highp";
                e = "mediump"
            }
            return "mediump" === e && 0 < t.getShaderPrecisionFormat(35633, 36337).precision && 0 < t.getShaderPrecisionFormat(35632, 36337).precision ? "mediump" : "lowp"
        }
        var a = "undefined" != typeof WebGL2RenderingContext && t instanceof WebGL2RenderingContext || "undefined" != typeof WebGL2ComputeRenderingContext && t instanceof WebGL2ComputeRenderingContext
          , o = void 0 !== e.precision ? e.precision : "highp"
          , s = r(o);
        s !== o && (console.warn("THREE.WebGLRenderer:", o, "not supported, using", s, "instead."),
        o = s);
        var l = !0 === e.logarithmicDepthBuffer
          , u = t.getParameter(34930)
          , c = t.getParameter(35660)
          , d = t.getParameter(3379)
          , h = t.getParameter(34076)
          , p = t.getParameter(34921)
          , f = t.getParameter(36347)
          , m = t.getParameter(36348)
          , v = t.getParameter(36349)
          , s = 0 < c
          , e = a || !!n.get("OES_texture_float");
        return {
            isWebGL2: a,
            getMaxAnisotropy: function() {
                if (void 0 !== i)
                    return i;
                var e = n.get("EXT_texture_filter_anisotropic");
                return i = null !== e ? t.getParameter(e.MAX_TEXTURE_MAX_ANISOTROPY_EXT) : 0
            },
            getMaxPrecision: r,
            precision: o,
            logarithmicDepthBuffer: l,
            maxTextures: u,
            maxVertexTextures: c,
            maxTextureSize: d,
            maxCubemapSize: h,
            maxAttributes: p,
            maxVertexUniforms: f,
            maxVaryings: m,
            maxFragmentUniforms: v,
            vertexTextures: s,
            floatFragmentTextures: e,
            floatVertexTextures: s && e,
            maxSamples: a ? t.getParameter(36183) : 0
        }
    }
    function ga(u) {
        var c = this
          , d = null
          , h = 0
          , p = !1
          , f = !1
          , m = new ki
          , v = new wn
          , g = {
            value: null,
            needsUpdate: !1
        };
        function y() {
            g.value !== d && (g.value = d,
            g.needsUpdate = 0 < h),
            c.numPlanes = h,
            c.numIntersection = 0
        }
        function w(e, t, n, i) {
            var r = null !== e ? e.length : 0
              , a = null;
            if (0 !== r) {
                if (a = g.value,
                !0 !== i || null === a) {
                    var i = n + 4 * r
                      , o = t.matrixWorldInverse;
                    v.getNormalMatrix(o),
                    (null === a || a.length < i) && (a = new Float32Array(i));
                    for (var s = 0, l = n; s !== r; ++s,
                    l += 4)
                        m.copy(e[s]).applyMatrix4(o, v),
                        m.normal.toArray(a, l),
                        a[l + 3] = m.constant
                }
                g.value = a,
                g.needsUpdate = !0
            }
            return c.numPlanes = r,
            c.numIntersection = 0,
            a
        }
        this.uniform = g,
        this.numPlanes = 0,
        this.numIntersection = 0,
        this.init = function(e, t, n) {
            var i = 0 !== e.length || t || 0 !== h || p;
            return p = t,
            d = w(e, n, 0),
            h = e.length,
            i
        }
        ,
        this.beginShadows = function() {
            f = !0,
            w(null)
        }
        ,
        this.endShadows = function() {
            f = !1,
            y()
        }
        ,
        this.setState = function(e, t, n) {
            var i = e.clippingPlanes
              , r = e.clipIntersection
              , a = e.clipShadows
              , e = u.get(e);
            if (!p || null === i || 0 === i.length || f && !a)
                f ? w(null) : y();
            else {
                var a = f ? 0 : h
                  , o = 4 * a
                  , s = e.clippingState || null;
                g.value = s;
                for (var s = w(i, t, o, n), l = 0; l !== o; ++l)
                    s[l] = d[l];
                e.clippingState = s,
                this.numIntersection = r ? this.numPlanes : 0,
                this.numPlanes += a
            }
        }
    }
    function ya(r) {
        var a = new WeakMap;
        function o(e, t) {
            return t === F ? e.mapping = L : t === I && (e.mapping = R),
            e
        }
        function s(e) {
            var t = e.target;
            t.removeEventListener("dispose", s);
            e = a.get(t);
            void 0 !== e && (a.delete(t),
            e.dispose())
        }
        return {
            get: function(e) {
                if (e && e.isTexture) {
                    var t = e.mapping;
                    if (t === F || t === I) {
                        if (a.has(e))
                            return o(a.get(e).texture, e.mapping);
                        var n = e.image;
                        if (n && 0 < n.height) {
                            var i = r.getRenderList()
                              , t = r.getRenderTarget()
                              , n = new na(n.height / 2);
                            return n.fromEquirectangularTexture(r, e),
                            a.set(e, n),
                            r.setRenderTarget(t),
                            r.setRenderList(i),
                            e.addEventListener("dispose", s),
                            o(n.texture, e.mapping)
                        }
                        return null
                    }
                }
                return e
            },
            dispose: function() {
                a = new WeakMap
            }
        }
    }
    function wa(n) {
        var i = {};
        return {
            has: function(e) {
                if (void 0 !== i[e])
                    return null !== i[e];
                var t;
                switch (e) {
                case "WEBGL_depth_texture":
                    t = n.getExtension("WEBGL_depth_texture") || n.getExtension("MOZ_WEBGL_depth_texture") || n.getExtension("WEBKIT_WEBGL_depth_texture");
                    break;
                case "EXT_texture_filter_anisotropic":
                    t = n.getExtension("EXT_texture_filter_anisotropic") || n.getExtension("MOZ_EXT_texture_filter_anisotropic") || n.getExtension("WEBKIT_EXT_texture_filter_anisotropic");
                    break;
                case "WEBGL_compressed_texture_s3tc":
                    t = n.getExtension("WEBGL_compressed_texture_s3tc") || n.getExtension("MOZ_WEBGL_compressed_texture_s3tc") || n.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");
                    break;
                case "WEBGL_compressed_texture_pvrtc":
                    t = n.getExtension("WEBGL_compressed_texture_pvrtc") || n.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");
                    break;
                default:
                    t = n.getExtension(e)
                }
                return null !== (i[e] = t)
            },
            get: function(e) {
                return this.has(e) || console.warn("THREE.WebGLRenderer: " + e + " extension not supported."),
                i[e]
            }
        }
    }
    function ba(e, g, r, a) {
        var o = new WeakMap
          , y = new WeakMap;
        function s(e) {
            var t, n = e.target, i = o.get(n);
            for (t in null !== i.index && g.remove(i.index),
            i.attributes)
                g.remove(i.attributes[t]);
            n.removeEventListener("dispose", s),
            o.delete(n);
            e = y.get(i);
            e && (g.remove(e),
            y.delete(i)),
            a.releaseStatesOfGeometry(i),
            !0 === n.isInstancedBufferGeometry && delete n._maxInstanceCount,
            r.memory.geometries--
        }
        function i(e) {
            var t = []
              , n = e.index
              , i = e.attributes.position
              , r = 0;
            if (null !== n)
                for (var a = n.array, r = n.version, o = 0, s = a.length; o < s; o += 3) {
                    var l = a[o + 0]
                      , u = a[o + 1]
                      , c = a[o + 2];
                    t.push(l, u, u, c, c, l)
                }
            else {
                var d = i.array;
                r = i.version;
                for (var h = 0, p = d.length / 3 - 1; h < p; h += 3) {
                    var f = h + 0
                      , m = h + 1
                      , v = h + 2;
                    t.push(f, m, m, v, v, f)
                }
            }
            d = new (65535 < fr(t) ? ur : sr)(t,1);
            d.version = r;
            r = y.get(e);
            r && g.remove(r),
            y.set(e, d)
        }
        return {
            get: function(e, t) {
                var n = o.get(t);
                return n || (t.addEventListener("dispose", s),
                t.isBufferGeometry ? n = t : t.isGeometry && (void 0 === t._bufferGeometry && (t._bufferGeometry = (new Mr).setFromObject(e)),
                n = t._bufferGeometry),
                o.set(t, n),
                r.memory.geometries++,
                n)
            },
            update: function(e) {
                var t, n = e.attributes;
                for (t in n)
                    g.update(n[t], 34962);
                var i, r = e.morphAttributes;
                for (i in r)
                    for (var a = r[i], o = 0, s = a.length; o < s; o++)
                        g.update(a[o], 34962)
            },
            getWireframeAttribute: function(e) {
                var t, n = y.get(e);
                return (!n || null !== (t = e.index) && n.version < t.version) && i(e),
                y.get(e)
            }
        }
    }
    function xa(a, o, s, e) {
        var l, u, c, d = e.isWebGL2;
        this.setMode = function(e) {
            l = e
        }
        ,
        this.setIndex = function(e) {
            u = e.type,
            c = e.bytesPerElement
        }
        ,
        this.render = function(e, t) {
            a.drawElements(l, t, u, e * c),
            s.update(t, l, 1)
        }
        ,
        this.renderInstances = function(e, t, n) {
            if (0 !== n) {
                var i, r;
                if (d)
                    i = a,
                    r = "drawElementsInstanced";
                else if (r = "drawElementsInstancedANGLE",
                null === (i = o.get("ANGLE_instanced_arrays")))
                    return void console.error("THREE.WebGLIndexedBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");
                i[r](l, t, u, e * c, n),
                s.update(t, l, n)
            }
        }
    }
    function Ea(e) {
        var i = {
            frame: 0,
            calls: 0,
            triangles: 0,
            points: 0,
            lines: 0
        };
        return {
            memory: {
                geometries: 0,
                textures: 0
            },
            render: i,
            programs: null,
            autoReset: !0,
            reset: function() {
                i.frame++,
                i.calls = 0,
                i.triangles = 0,
                i.points = 0,
                i.lines = 0
            },
            update: function(e, t, n) {
                switch (i.calls++,
                t) {
                case 4:
                    i.triangles += n * (e / 3);
                    break;
                case 1:
                    i.lines += n * (e / 2);
                    break;
                case 3:
                    i.lines += n * (e - 1);
                    break;
                case 2:
                    i.lines += n * e;
                    break;
                case 0:
                    i.points += n * e;
                    break;
                default:
                    console.error("THREE.WebGLInfo: Unknown draw mode:", t)
                }
            }
        }
    }
    function _a(e, t) {
        return e[0] - t[0]
    }
    function Ma(e, t) {
        return Math.abs(t[1]) - Math.abs(e[1])
    }
    function Aa(g) {
        for (var y = {}, w = new Float32Array(8), b = [], e = 0; e < 8; e++)
            b[e] = [e, 0];
        return {
            update: function(e, t, n, i) {
                var r = e.morphTargetInfluences
                  , a = void 0 === r ? 0 : r.length;
                if (void 0 === (o = y[t.id])) {
                    for (var o = [], s = 0; s < a; s++)
                        o[s] = [s, 0];
                    y[t.id] = o
                }
                for (var l = 0; l < a; l++) {
                    var u = o[l];
                    u[0] = l,
                    u[1] = r[l]
                }
                o.sort(Ma);
                for (var c = 0; c < 8; c++)
                    c < a && o[c][1] ? (b[c][0] = o[c][0],
                    b[c][1] = o[c][1]) : (b[c][0] = Number.MAX_SAFE_INTEGER,
                    b[c][1] = 0);
                b.sort(_a);
                for (var d = n.morphTargets && t.morphAttributes.position, h = n.morphNormals && t.morphAttributes.normal, p = 0, f = 0; f < 8; f++) {
                    var m = b[f]
                      , v = m[0]
                      , m = m[1];
                    v !== Number.MAX_SAFE_INTEGER && m ? (d && t.getAttribute("morphTarget" + f) !== d[v] && t.setAttribute("morphTarget" + f, d[v]),
                    h && t.getAttribute("morphNormal" + f) !== h[v] && t.setAttribute("morphNormal" + f, h[v]),
                    p += w[f] = m) : (d && !0 === t.hasAttribute("morphTarget" + f) && t.deleteAttribute("morphTarget" + f),
                    h && !0 === t.hasAttribute("morphNormal" + f) && t.deleteAttribute("morphNormal" + f),
                    w[f] = 0)
                }
                n = t.morphTargetsRelative ? 1 : 1 - p,
                i.getUniforms().setValue(g, "morphTargetBaseInfluence", n),
                i.getUniforms().setValue(g, "morphTargetInfluences", w)
            }
        }
    }
    function Ta(e, r, a, o) {
        var s = new WeakMap;
        function l(e) {
            e = e.target;
            e.removeEventListener("dispose", l),
            a.remove(e.instanceMatrix),
            null !== e.instanceColor && a.remove(e.instanceColor)
        }
        return {
            update: function(e) {
                var t = o.render.frame
                  , n = e.geometry
                  , i = r.get(e, n);
                return s.get(i) !== t && (n.isGeometry && i.updateFromObject(e),
                r.update(i),
                s.set(i, t)),
                e.isInstancedMesh && (!1 === e.hasEventListener("dispose", l) && e.addEventListener("dispose", l),
                a.update(e.instanceMatrix, 34962),
                null !== e.instanceColor && a.update(e.instanceColor, 34962)),
                i
            },
            dispose: function() {
                s = new WeakMap
            }
        }
    }
    function Sa() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : null
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1;
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        this.image = {
            data: e,
            width: t,
            height: n,
            depth: i
        },
        this.magFilter = Re,
        this.minFilter = Re,
        this.wrapR = Be,
        this.generateMipmaps = !1,
        this.flipY = !1,
        this.needsUpdate = !0
    }
    function Ca() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : null
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1;
        En.call(this, null),
        this.image = {
            data: e,
            width: t,
            height: n,
            depth: i
        },
        this.magFilter = Re,
        this.minFilter = Re,
        this.wrapR = Be,
        this.generateMipmaps = !1,
        this.flipY = !1,
        this.needsUpdate = !0
    }
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        uniforms: qr([ha.standard.uniforms, {
            clearcoat: {
                value: 0
            },
            clearcoatMap: {
                value: null
            },
            clearcoatRoughness: {
                value: 0
            },
            clearcoatRoughnessMap: {
                value: null
            },
            clearcoatNormalScale: {
                value: new yn(1,1)
            },
            clearcoatNormalMap: {
                value: null
            },
            sheen: {
                value: new Yi(0)
            },
            transmission: {
                value: 0
            },
            transmissionMap: {
                value: null
            }
        }]),
        vertexShader: ca.meshphysical_vert,
        fragmentShader: ca.meshphysical_frag
    },
    ((Sa.prototype = Object.create(En.prototype)).constructor = Sa).prototype.isDataTexture2DArray = !0,
    ((Ca.prototype = Object.create(En.prototype)).constructor = Ca).prototype.isDataTexture3D = !0;
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      , Da = new Sa
      , ka = new Ca
      , Ba = new ta
      , La = []
      , Ra = []
      , Fa = new Float32Array(16)
      , Ia = new Float32Array(9)
      , Oa = new Float32Array(4);
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        var i = e[0];
        if (i <= 0 || 0 < i)
            return e;
        var r = t * n
          , a = La[r];
        if (void 0 === a && (a = new Float32Array(r),
        La[r] = a),
        0 !== t) {
            i.toArray(a, 0);
            for (var o = 1, s = 0; o !== t; ++o)
                e[o].toArray(a, s += n)
        }
        return a
    }
    function Na(e, t) {
        if (e.length === t.length) {
            for (var n = 0, i = e.length; n < i; n++)
                if (e[n] !== t[n])
                    return;
            return 1
        }
    }
    function Ua(e, t) {
        for (var n = 0, i = t.length; n < i; n++)
            e[n] = t[n]
    }
    function Ga(e, t) {
        var n = Ra[t];
        void 0 === n && (n = new Int32Array(t),
        Ra[t] = n);
        for (var i = 0; i !== t; ++i)
            n[i] = e.allocateTextureUnit();
        return n
    }
    function Ha(e, t) {
        var n = this.cache;
        n[0] !== t && (e.uniform1f(this.addr, t),
        n[0] = t)
    }
    function Va(e, t) {
        var n = this.cache;
        void 0 !== t.x ? n[0] === t.x && n[1] === t.y || (e.uniform2f(this.addr, t.x, t.y),
        n[0] = t.x,
        n[1] = t.y) : Na(n, t) || (e.uniform2fv(this.addr, t),
        Ua(n, t))
    }
    function ja(e, t) {
        var n = this.cache;
        void 0 !== t.x ? n[0] === t.x && n[1] === t.y && n[2] === t.z || (e.uniform3f(this.addr, t.x, t.y, t.z),
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        n[1] = t.y,
        n[2] = t.z) : void 0 !== t.r ? n[0] === t.r && n[1] === t.g && n[2] === t.b || (e.uniform3f(this.addr, t.r, t.g, t.b),
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        n[1] = t.g,
        n[2] = t.b) : Na(n, t) || (e.uniform3fv(this.addr, t),
        Ua(n, t))
    }
    function Wa(e, t) {
        var n = this.cache;
        void 0 !== t.x ? n[0] === t.x && n[1] === t.y && n[2] === t.z && n[3] === t.w || (e.uniform4f(this.addr, t.x, t.y, t.z, t.w),
        n[0] = t.x,
        n[1] = t.y,
        n[2] = t.z,
        n[3] = t.w) : Na(n, t) || (e.uniform4fv(this.addr, t),
        Ua(n, t))
    }
    function Xa(e, t) {
        var n = this.cache
          , i = t.elements;
        void 0 === i ? Na(n, t) || (e.uniformMatrix2fv(this.addr, !1, t),
        Ua(n, t)) : Na(n, i) || (Oa.set(i),
        e.uniformMatrix2fv(this.addr, !1, Oa),
        Ua(n, i))
    }
    function qa(e, t) {
        var n = this.cache
          , i = t.elements;
        void 0 === i ? Na(n, t) || (e.uniformMatrix3fv(this.addr, !1, t),
        Ua(n, t)) : Na(n, i) || (Ia.set(i),
        e.uniformMatrix3fv(this.addr, !1, Ia),
        Ua(n, i))
    }
    function Ja(e, t) {
        var n = this.cache
          , i = t.elements;
        void 0 === i ? Na(n, t) || (e.uniformMatrix4fv(this.addr, !1, t),
        Ua(n, t)) : Na(n, i) || (Fa.set(i),
        e.uniformMatrix4fv(this.addr, !1, Fa),
        Ua(n, i))
    }
    function Ya(e, t, n) {
        var i = this.cache
          , r = n.allocateTextureUnit();
        i[0] !== r && (e.uniform1i(this.addr, r),
        i[0] = r),
        n.safeSetTexture2D(t || Pa, r)
    }
    function Za(e, t, n) {
        var i = this.cache
          , r = n.allocateTextureUnit();
        i[0] !== r && (e.uniform1i(this.addr, r),
        i[0] = r),
        n.setTexture2DArray(t || Da, r)
    }
    function Qa(e, t, n) {
        var i = this.cache
          , r = n.allocateTextureUnit();
        i[0] !== r && (e.uniform1i(this.addr, r),
        i[0] = r),
        n.setTexture3D(t || ka, r)
    }
    function Ka(e, t, n) {
        var i = this.cache
          , r = n.allocateTextureUnit();
        i[0] !== r && (e.uniform1i(this.addr, r),
        i[0] = r),
        n.safeSetTextureCube(t || Ba, r)
    }
    function $a(e, t) {
        var n = this.cache;
        n[0] !== t && (e.uniform1i(this.addr, t),
        n[0] = t)
    }
    function eo(e, t) {
        var n = this.cache;
        Na(n, t) || (e.uniform2iv(this.addr, t),
        Ua(n, t))
    }
    function to(e, t) {
        var n = this.cache;
        Na(n, t) || (e.uniform3iv(this.addr, t),
        Ua(n, t))
    }
    function no(e, t) {
        var n = this.cache;
        Na(n, t) || (e.uniform4iv(this.addr, t),
        Ua(n, t))
    }
    function io(e, t) {
        var n = this.cache;
        n[0] !== t && (e.uniform1ui(this.addr, t),
        n[0] = t)
    }
    function ro(e, t) {
        e.uniform1fv(this.addr, t)
    }
    function ao(e, t) {
        e.uniform1iv(this.addr, t)
    }
    function oo(e, t) {
        e.uniform2iv(this.addr, t)
    }
    function so(e, t) {
        e.uniform3iv(this.addr, t)
    }
    function lo(e, t) {
        e.uniform4iv(this.addr, t)
    }
    function uo(e, t) {
        t = za(t, this.size, 2);
        e.uniform2fv(this.addr, t)
    }
    function co(e, t) {
        t = za(t, this.size, 3);
        e.uniform3fv(this.addr, t)
    }
    function ho(e, t) {
        t = za(t, this.size, 4);
        e.uniform4fv(this.addr, t)
    }
    function po(e, t) {
        t = za(t, this.size, 4);
        e.uniformMatrix2fv(this.addr, !1, t)
    }
    function fo(e, t) {
        t = za(t, this.size, 9);
        e.uniformMatrix3fv(this.addr, !1, t)
    }
    function mo(e, t) {
        t = za(t, this.size, 16);
        e.uniformMatrix4fv(this.addr, !1, t)
    }
    function vo(e, t, n) {
        var i = t.length
          , r = Ga(n, i);
        e.uniform1iv(this.addr, r);
        for (var a = 0; a !== i; ++a)
            n.safeSetTexture2D(t[a] || Pa, r[a])
    }
    function go(e, t, n) {
        var i = t.length
          , r = Ga(n, i);
        e.uniform1iv(this.addr, r);
        for (var a = 0; a !== i; ++a)
            n.safeSetTextureCube(t[a] || Ba, r[a])
    }
    function yo(e, t, n) {
        this.id = e,
        this.addr = n,
        this.cache = [],
        this.setValue = function(e) {
            switch (e) {
            case 5126:
                return Ha;
            case 35664:
                return Va;
            case 35665:
                return ja;
            case 35666:
                return Wa;
            case 35674:
                return Xa;
            case 35675:
                return qa;
            case 35676:
                return Ja;
            case 5124:
            case 35670:
                return $a;
            case 35667:
            case 35671:
                return eo;
            case 35668:
            case 35672:
                return to;
            case 35669:
            case 35673:
                return no;
            case 5125:
                return io;
            case 35678:
            case 36198:
            case 36298:
            case 36306:
            case 35682:
                return Ya;
            case 35679:
            case 36299:
            case 36307:
                return Qa;
            case 35680:
            case 36300:
            case 36308:
            case 36293:
                return Ka;
            case 36289:
            case 36303:
            case 36311:
            case 36292:
                return Za
            }
        }(t.type)
    }
    function wo(e, t, n) {
        this.id = e,
        this.addr = n,
        this.cache = [],
        this.size = t.size,
        this.setValue = function(e) {
            switch (e) {
            case 5126:
                return ro;
            case 35664:
                return uo;
            case 35665:
                return co;
            case 35666:
                return ho;
            case 35674:
                return po;
            case 35675:
                return fo;
            case 35676:
                return mo;
            case 5124:
            case 35670:
                return ao;
            case 35667:
            case 35671:
                return oo;
            case 35668:
            case 35672:
                return so;
            case 35669:
            case 35673:
                return lo;
            case 35678:
            case 36198:
            case 36298:
            case 36306:
            case 35682:
                return vo;
            case 35680:
            case 36300:
            case 36308:
            case 36293:
                return go
            }
        }(t.type)
    }
    function bo(e) {
        this.id = e,
        this.seq = [],
        this.map = {}
    }
    wo.prototype.updateCache = function(e) {
        var t = this.cache;
        e instanceof Float32Array && t.length !== e.length && (this.cache = new Float32Array(e.length)),
        Ua(t, e)
    }
    ,
    bo.prototype.setValue = function(e, t, n) {
        for (var i = this.seq, r = 0, a = i.length; r !== a; ++r) {
            var o = i[r];
            o.setValue(e, t[o.id], n)
        }
    }
    ;
    var xo = /(\w+)(\])?(\[|\.)?/g;
    function Eo(e, t) {
        e.seq.push(t),
        e.map[t.id] = t
    }
    function _o(e, t) {
        this.seq = [],
        this.map = {};
        for (var n = e.getProgramParameter(t, 35718), i = 0; i < n; ++i) {
            var r = e.getActiveUniform(t, i);
            !function(e, t, n) {
                var i = e.name
                  , r = i.length;
                for (xo.lastIndex = 0; ; ) {
                    var a = xo.exec(i)
                      , o = xo.lastIndex
                      , s = a[1]
                      , l = "]" === a[2]
                      , a = a[3];
                    if (l && (s |= 0),
                    void 0 === a || "[" === a && o + 2 === r) {
                        Eo(n, new (void 0 === a ? yo : wo)(s,e,t));
                        break
                    }
                    a = n.map[s];
                    void 0 === a && Eo(n, a = new bo(s)),
                    n = a
                }
            }(r, e.getUniformLocation(t, r.name), this)
        }
    }
    function Mo(e, t, n) {
        t = e.createShader(t);
        return e.shaderSource(t, n),
        e.compileShader(t),
        t
    }
    _o.prototype.setValue = function(e, t, n, i) {
        t = this.map[t];
        void 0 !== t && t.setValue(e, n, i)
    }
    ,
    _o.prototype.setOptional = function(e, t, n) {
        t = t[n];
        void 0 !== t && this.setValue(e, n, t)
    }
    ,
    _o.upload = function(e, t, n, i) {
        for (var r = 0, a = t.length; r !== a; ++r) {
            var o = t[r]
              , s = n[o.id];
            !1 !== s.needsUpdate && o.setValue(e, s.value, i)
        }
    }
    ,
    _o.seqWithValue = function(e, t) {
        for (var n = [], i = 0, r = e.length; i !== r; ++i) {
            var a = e[i];
            a.id in t && n.push(a)
        }
        return n
    }
    ;
    var Ao = 0;
    function To(e) {
        switch (e) {
        case rn:
            return ["Linear", "( value )"];
        case an:
            return ["sRGB", "( value )"];
        case 3002:
            return ["RGBE", "( value )"];
        case 3004:
            return ["RGBM", "( value, 7.0 )"];
        case 3005:
            return ["RGBM", "( value, 16.0 )"];
        case 3006:
            return ["RGBD", "( value, 256.0 )"];
        case 3007:
            return ["Gamma", "( value, float( GAMMA_FACTOR ) )"];
        case 3003:
            return ["LogLuv", "( value )"];
        default:
            return console.warn("THREE.WebGLProgram: Unsupported encoding:", e),
            ["Linear", "( value )"]
        }
    }
    function So(e, t, n) {
        var i = e.getShaderParameter(t, 35713)
          , r = e.getShaderInfoLog(t).trim();
        return i && "" === r ? "" : "THREE.WebGLShader: gl.getShaderInfoLog() " + n + "\n" + r + function(e) {
            for (var t = e.split("\n"), n = 0; n < t.length; n++)
                t[n] = n + 1 + ": " + t[n];
            return t.join("\n")
        }(e.getShaderSource(t))
    }
    function Co(e, t) {
        t = To(t);
        return "vec4 " + e + "( vec4 value ) { return " + t[0] + "ToLinear" + t[1] + "; }"
    }
    function Po(e) {
        return "" !== e
    }
    function Do(e, t) {
        return e.replace(/NUM_DIR_LIGHTS/g, t.numDirLights).replace(/NUM_SPOT_LIGHTS/g, t.numSpotLights).replace(/NUM_RECT_AREA_LIGHTS/g, t.numRectAreaLights).replace(/NUM_POINT_LIGHTS/g, t.numPointLights).replace(/NUM_HEMI_LIGHTS/g, t.numHemiLights).replace(/NUM_DIR_LIGHT_SHADOWS/g, t.numDirLightShadows).replace(/NUM_SPOT_LIGHT_SHADOWS/g, t.numSpotLightShadows).replace(/NUM_POINT_LIGHT_SHADOWS/g, t.numPointLightShadows)
    }
    function ko(e, t) {
        return e.replace(/NUM_CLIPPING_PLANES/g, t.numClippingPlanes).replace(/UNION_CLIPPING_PLANES/g, t.numClippingPlanes - t.numClipIntersection)
    }
    var Bo = /^[ \t]*#include +<([\w\d./]+)>/gm;
    function Lo(e) {
        return e.replace(Bo, Ro)
    }
    function Ro(e, t) {
        var n = ca[t];
        if (void 0 === n)
            throw new Error("Can not resolve #include <" + t + ">");
        return Lo(n)
    }
    var Fo = /#pragma unroll_loop[\s]+?for \( int i \= (\d+)\; i < (\d+)\; i \+\+ \) \{([\s\S]+?)(?=\})\}/g
      , Io = /#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;
    function Oo(e) {
        return e.replace(Io, No).replace(Fo, zo)
    }
    function zo(e, t, n, i) {
        return console.warn("WebGLProgram: #pragma unroll_loop shader syntax is deprecated. Please use #pragma unroll_loop_start syntax instead."),
        No(0, t, n, i)
    }
    function No(e, t, n, i) {
        for (var r = "", a = parseInt(t); a < parseInt(n); a++)
            r += i.replace(/\[\s*i\s*\]/g, "[ " + a + " ]").replace(/UNROLLED_LOOP_INDEX/g, a);
        return r
    }
    function Uo(e) {
        var t = "precision " + e.precision + " float;\nprecision " + e.precision + " int;";
        return "highp" === e.precision ? t += "\n#define HIGH_PRECISION" : "mediump" === e.precision ? t += "\n#define MEDIUM_PRECISION" : "lowp" === e.precision && (t += "\n#define LOW_PRECISION"),
        t
    }
    function Go(e, t, n, i) {
        var r, a, o = e.getContext(), s = n.defines, l = n.vertexShader, u = n.fragmentShader, c = (m = "SHADOWMAP_TYPE_BASIC",
        (f = n).shadowMapType === P ? m = "SHADOWMAP_TYPE_PCF" : 2 === f.shadowMapType ? m = "SHADOWMAP_TYPE_PCF_SOFT" : f.shadowMapType === D && (m = "SHADOWMAP_TYPE_VSM"),
        m), d = function(e) {
            var t = "ENVMAP_TYPE_CUBE";
            if (e.envMap)
                switch (e.envMapMode) {
                case L:
                case R:
                    t = "ENVMAP_TYPE_CUBE";
                    break;
                case z:
                case U:
                    t = "ENVMAP_TYPE_CUBE_UV"
                }
            return t
        }(n), h = function(e) {
            var t = "ENVMAP_MODE_REFLECTION";
            if (e.envMap)
                switch (e.envMapMode) {
                case R:
                case U:
                    t = "ENVMAP_MODE_REFRACTION"
                }
            return t
        }(n), p = function(e) {
            var t = "ENVMAP_BLENDING_NONE";
            if (e.envMap)
                switch (e.combine) {
                case k:
                    t = "ENVMAP_BLENDING_MULTIPLY";
                    break;
                case 1:
                    t = "ENVMAP_BLENDING_MIX";
                    break;
                case 2:
                    t = "ENVMAP_BLENDING_ADD"
                }
            return t
        }(n), f = 0 < e.gammaFactor ? e.gammaFactor : 1, m = n.isWebGL2 ? "" : [(v = n).extensionDerivatives || v.envMapCubeUV || v.bumpMap || v.tangentSpaceNormalMap || v.clearcoatNormalMap || v.flatShading || "physical" === v.shaderID ? "#extension GL_OES_standard_derivatives : enable" : "", (v.extensionFragDepth || v.logarithmicDepthBuffer) && v.rendererExtensionFragDepth ? "#extension GL_EXT_frag_depth : enable" : "", v.extensionDrawBuffers && v.rendererExtensionDrawBuffers ? "#extension GL_EXT_draw_buffers : require" : "", (v.extensionShaderTextureLOD || v.envMap) && v.rendererExtensionShaderTextureLod ? "#extension GL_EXT_shader_texture_lod : enable" : ""].filter(Po).join("\n"), v = function(e) {
            var t, n = [];
            for (t in e) {
                var i = e[t];
                !1 !== i && n.push("#define " + t + " " + i)
            }
            return n.join("\n")
        }(s), g = o.createProgram(), s = n.glslVersion ? "#version " + n.glslVersion + "\n" : "";
        n.isRawShaderMaterial ? (0 < (r = [v].filter(Po).join("\n")).length && (r += "\n"),
        0 < (a = [m, v].filter(Po).join("\n")).length && (a += "\n")) : (r = [Uo(n), "#define SHADER_NAME " + n.shaderName, v, n.instancing ? "#define USE_INSTANCING" : "", n.instancingColor ? "#define USE_INSTANCING_COLOR" : "", n.supportsVertexTextures ? "#define VERTEX_TEXTURES" : "", "#define GAMMA_FACTOR " + f, "#define MAX_BONES " + n.maxBones, n.useFog && n.fog ? "#define USE_FOG" : "", n.useFog && n.fogExp2 ? "#define FOG_EXP2" : "", n.map ? "#define USE_MAP" : "", n.envMap ? "#define USE_ENVMAP" : "", n.envMap ? "#define " + h : "", n.lightMap ? "#define USE_LIGHTMAP" : "", n.aoMap ? "#define USE_AOMAP" : "", n.emissiveMap ? "#define USE_EMISSIVEMAP" : "", n.bumpMap ? "#define USE_BUMPMAP" : "", n.normalMap ? "#define USE_NORMALMAP" : "", n.normalMap && n.objectSpaceNormalMap ? "#define OBJECTSPACE_NORMALMAP" : "", n.normalMap && n.tangentSpaceNormalMap ? "#define TANGENTSPACE_NORMALMAP" : "", n.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", n.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", n.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", n.displacementMap && n.supportsVertexTextures ? "#define USE_DISPLACEMENTMAP" : "", n.specularMap ? "#define USE_SPECULARMAP" : "", n.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", n.metalnessMap ? "#define USE_METALNESSMAP" : "", n.alphaMap ? "#define USE_ALPHAMAP" : "", n.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", n.vertexTangents ? "#define USE_TANGENT" : "", n.vertexColors ? "#define USE_COLOR" : "", n.vertexUvs ? "#define USE_UV" : "", n.uvsVertexOnly ? "#define UVS_VERTEX_ONLY" : "", n.flatShading ? "#define FLAT_SHADED" : "", n.skinning ? "#define USE_SKINNING" : "", n.useVertexTexture ? "#define BONE_TEXTURE" : "", n.morphTargets ? "#define USE_MORPHTARGETS" : "", n.morphNormals && !1 === n.flatShading ? "#define USE_MORPHNORMALS" : "", n.doubleSided ? "#define DOUBLE_SIDED" : "", n.flipSided ? "#define FLIP_SIDED" : "", n.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", n.shadowMapEnabled ? "#define " + c : "", n.sizeAttenuation ? "#define USE_SIZEATTENUATION" : "", n.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "", n.logarithmicDepthBuffer && n.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "", "uniform mat4 modelMatrix;", "uniform mat4 modelViewMatrix;", "uniform mat4 projectionMatrix;", "uniform mat4 viewMatrix;", "uniform mat3 normalMatrix;", "uniform vec3 cameraPosition;", "uniform bool isOrthographic;", "#ifdef USE_INSTANCING", "\tattribute mat4 instanceMatrix;", "#endif", "#ifdef USE_INSTANCING_COLOR", "\tattribute vec3 instanceColor;", "#endif", "attribute vec3 position;", "attribute vec3 normal;", "attribute vec2 uv;", "#ifdef USE_TANGENT", "\tattribute vec4 tangent;", "#endif", "#ifdef USE_COLOR", "\tattribute vec3 color;", "#endif", "#ifdef USE_MORPHTARGETS", "\tattribute vec3 morphTarget0;", "\tattribute vec3 morphTarget1;", "\tattribute vec3 morphTarget2;", "\tattribute vec3 morphTarget3;", "\t#ifdef USE_MORPHNORMALS", "\t\tattribute vec3 morphNormal0;", "\t\tattribute vec3 morphNormal1;", "\t\tattribute vec3 morphNormal2;", "\t\tattribute vec3 morphNormal3;", "\t#else", "\t\tattribute vec3 morphTarget4;", "\t\tattribute vec3 morphTarget5;", "\t\tattribute vec3 morphTarget6;", "\t\tattribute vec3 morphTarget7;", "\t#endif", "#endif", "#ifdef USE_SKINNING", "\tattribute vec4 skinIndex;", "\tattribute vec4 skinWeight;", "#endif", "\n"].filter(Po).join("\n"),
        a = [m, Uo(n), "#define SHADER_NAME " + n.shaderName, v, n.alphaTest ? "#define ALPHATEST " + n.alphaTest + (n.alphaTest % 1 ? "" : ".0") : "", "#define GAMMA_FACTOR " + f, n.useFog && n.fog ? "#define USE_FOG" : "", n.useFog && n.fogExp2 ? "#define FOG_EXP2" : "", n.map ? "#define USE_MAP" : "", n.matcap ? "#define USE_MATCAP" : "", n.envMap ? "#define USE_ENVMAP" : "", n.envMap ? "#define " + d : "", n.envMap ? "#define " + h : "", n.envMap ? "#define " + p : "", n.lightMap ? "#define USE_LIGHTMAP" : "", n.aoMap ? "#define USE_AOMAP" : "", n.emissiveMap ? "#define USE_EMISSIVEMAP" : "", n.bumpMap ? "#define USE_BUMPMAP" : "", n.normalMap ? "#define USE_NORMALMAP" : "", n.normalMap && n.objectSpaceNormalMap ? "#define OBJECTSPACE_NORMALMAP" : "", n.normalMap && n.tangentSpaceNormalMap ? "#define TANGENTSPACE_NORMALMAP" : "", n.clearcoatMap ? "#define USE_CLEARCOATMAP" : "", n.clearcoatRoughnessMap ? "#define USE_CLEARCOAT_ROUGHNESSMAP" : "", n.clearcoatNormalMap ? "#define USE_CLEARCOAT_NORMALMAP" : "", n.specularMap ? "#define USE_SPECULARMAP" : "", n.roughnessMap ? "#define USE_ROUGHNESSMAP" : "", n.metalnessMap ? "#define USE_METALNESSMAP" : "", n.alphaMap ? "#define USE_ALPHAMAP" : "", n.sheen ? "#define USE_SHEEN" : "", n.transmissionMap ? "#define USE_TRANSMISSIONMAP" : "", n.vertexTangents ? "#define USE_TANGENT" : "", n.vertexColors || n.instancingColor ? "#define USE_COLOR" : "", n.vertexUvs ? "#define USE_UV" : "", n.uvsVertexOnly ? "#define UVS_VERTEX_ONLY" : "", n.gradientMap ? "#define USE_GRADIENTMAP" : "", n.flatShading ? "#define FLAT_SHADED" : "", n.doubleSided ? "#define DOUBLE_SIDED" : "", n.flipSided ? "#define FLIP_SIDED" : "", n.shadowMapEnabled ? "#define USE_SHADOWMAP" : "", n.shadowMapEnabled ? "#define " + c : "", n.premultipliedAlpha ? "#define PREMULTIPLIED_ALPHA" : "", n.physicallyCorrectLights ? "#define PHYSICALLY_CORRECT_LIGHTS" : "", n.logarithmicDepthBuffer ? "#define USE_LOGDEPTHBUF" : "", n.logarithmicDepthBuffer && n.rendererExtensionFragDepth ? "#define USE_LOGDEPTHBUF_EXT" : "", (n.extensionShaderTextureLOD || n.envMap) && n.rendererExtensionShaderTextureLod ? "#define TEXTURE_LOD_EXT" : "", "uniform mat4 viewMatrix;", "uniform vec3 cameraPosition;", "uniform bool isOrthographic;", n.toneMapping !== De ? "#define TONE_MAPPING" : "", n.toneMapping !== De ? ca.tonemapping_pars_fragment : "", n.toneMapping !== De ? function(e, t) {
            var n;
            switch (t) {
            case 1:
                n = "Linear";
                break;
            case 2:
                n = "Reinhard";
                break;
            case 3:
                n = "OptimizedCineon";
                break;
            case 4:
                n = "ACESFilmic";
                break;
            case 5:
                n = "Custom";
                break;
            default:
                console.warn("THREE.WebGLProgram: Unsupported toneMapping:", t),
                n = "Linear"
            }
            return "vec3 " + e + "( vec3 color ) { return " + n + "ToneMapping( color ); }"
        }("toneMapping", n.toneMapping) : "", n.dithering ? "#define DITHERING" : "", ca.encodings_pars_fragment, n.map ? Co("mapTexelToLinear", n.mapEncoding) : "", n.matcap ? Co("matcapTexelToLinear", n.matcapEncoding) : "", n.envMap ? Co("envMapTexelToLinear", n.envMapEncoding) : "", n.emissiveMap ? Co("emissiveMapTexelToLinear", n.emissiveMapEncoding) : "", n.lightMap ? Co("lightMapTexelToLinear", n.lightMapEncoding) : "", (y = "linearToOutputTexel",
        w = To(w = n.outputEncoding),
        "vec4 " + y + "( vec4 value ) { return LinearTo" + w[0] + w[1] + "; }"), n.depthPacking ? "#define DEPTH_PACKING " + n.depthPacking : "", "\n"].filter(Po).join("\n")),
        l = ko(Do(Lo(l), n), n),
        u = ko(Do(Lo(u), n), n),
        l = Oo(l),
        u = Oo(u),
        n.isWebGL2 && !0 !== n.isRawShaderMaterial && (s = "#version 300 es\n",
        r = ["#define attribute in", "#define varying out", "#define texture2D texture"].join("\n") + "\n" + r,
        a = ["#define varying in", n.glslVersion === dn ? "" : "out highp vec4 pc_fragColor;", n.glslVersion === dn ? "" : "#define gl_FragColor pc_fragColor", "#define gl_FragDepthEXT gl_FragDepth", "#define texture2D texture", "#define textureCube texture", "#define texture2DProj textureProj", "#define texture2DLodEXT textureLod", "#define texture2DProjLodEXT textureProjLod", "#define textureCubeLodEXT textureLod", "#define texture2DGradEXT textureGrad", "#define texture2DProjGradEXT textureProjGrad", "#define textureCubeGradEXT textureGrad"].join("\n") + "\n" + a);
        var y, w, b, x, f = s + r + l, d = s + a + u, h = Mo(o, 35633, f), p = Mo(o, 35632, d);
        return o.attachShader(g, h),
        o.attachShader(g, p),
        void 0 !== n.index0AttributeName ? o.bindAttribLocation(g, 0, n.index0AttributeName) : !0 === n.morphTargets && o.bindAttribLocation(g, 0, "position"),
        o.linkProgram(g),
        e.debug.checkShaderErrors && (c = o.getProgramInfoLog(g).trim(),
        y = o.getShaderInfoLog(h).trim(),
        w = o.getShaderInfoLog(p).trim(),
        !(s = l = !0) === o.getProgramParameter(g, 35714) ? (l = !1,
        u = So(o, h, "vertex"),
        e = So(o, p, "fragment"),
        console.error("THREE.WebGLProgram: shader error: ", o.getError(), "35715", o.getProgramParameter(g, 35715), "gl.getProgramInfoLog", c, u, e),
        e ? console.log(d.split("\n").map(function(e, t) {
            return "".concat(t + 1).padEnd(5) + e
        }).join("\n")) : console.log(f.split("\n").map(function(e, t) {
            return "".concat(t + 1).padEnd(5) + e
        }).join("\n"))) : "" !== c ? console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()", c) : "" !== y && "" !== w || (s = !1),
        s && (this.diagnostics = {
            runnable: l,
            programLog: c,
            vertexShader: {
                log: y,
                prefix: r
            },
            fragmentShader: {
                log: w,
                prefix: a
            }
        })),
        o.deleteShader(h),
        o.deleteShader(p),
        this.getUniforms = function() {
            return b = void 0 === b ? new _o(o,g) : b
        }
        ,
        this.getAttributes = function() {
            return x = void 0 === x ? function(e, t) {
                for (var n = {}, i = e.getProgramParameter(t, 35721), r = 0; r < i; r++) {
                    var a = e.getActiveAttrib(t, r).name;
                    n[a] = e.getAttribLocation(t, a)
                }
                return n
            }(o, g) : x
        }
        ,
        this.destroy = function() {
            i.releaseStatesOfProgram(this),
            o.deleteProgram(g),
            this.program = void 0
        }
        ,
        this.name = n.shaderName,
        this.id = Ao++,
        this.cacheKey = t,
        this.usedTimes = 1,
        this.program = g,
        this.vertexShader = h,
        this.fragmentShader = p,
        this
    }
    function Ho(d, h, p, f, o, m) {
        var s = []
          , v = f.isWebGL2
          , g = f.logarithmicDepthBuffer
          , y = f.floatVertexTextures
          , w = f.maxVertexUniforms
          , b = f.vertexTextures
          , x = f.precision
          , E = {
            MeshDepthMaterial: "depth",
            MeshDistanceMaterial: "distanceRGBA",
            MeshNormalMaterial: "normal",
            MeshBasicMaterial: "basic",
            MeshLambertMaterial: "lambert",
            MeshPhongMaterial: "phong",
            MeshToonMaterial: "toon",
            MeshStandardMaterial: "physical",
            MeshPhysicalMaterial: "physical",
            MeshMatcapMaterial: "matcap",
            LineBasicMaterial: "basic",
            LineDashedMaterial: "dashed",
            PointsMaterial: "points",
            ShadowMaterial: "shadow",
            SpriteMaterial: "sprite"
        }
          , r = ["precision", "isWebGL2", "supportsVertexTextures", "outputEncoding", "instancing", "instancingColor", "map", "mapEncoding", "matcap", "matcapEncoding", "envMap", "envMapMode", "envMapEncoding", "envMapCubeUV", "lightMap", "lightMapEncoding", "aoMap", "emissiveMap", "emissiveMapEncoding", "bumpMap", "normalMap", "objectSpaceNormalMap", "tangentSpaceNormalMap", "clearcoatMap", "clearcoatRoughnessMap", "clearcoatNormalMap", "displacementMap", "specularMap", "roughnessMap", "metalnessMap", "gradientMap", "alphaMap", "combine", "vertexColors", "vertexTangents", "vertexUvs", "uvsVertexOnly", "fog", "useFog", "fogExp2", "flatShading", "sizeAttenuation", "logarithmicDepthBuffer", "skinning", "maxBones", "useVertexTexture", "morphTargets", "morphNormals", "maxMorphTargets", "maxMorphNormals", "premultipliedAlpha", "numDirLights", "numPointLights", "numSpotLights", "numHemiLights", "numRectAreaLights", "numDirLightShadows", "numPointLightShadows", "numSpotLightShadows", "shadowMapEnabled", "shadowMapType", "toneMapping", "physicallyCorrectLights", "alphaTest", "doubleSided", "flipSided", "numClippingPlanes", "numClipIntersection", "depthPacking", "dithering", "sheen", "transmissionMap"];
        function _(e) {
            e = e && e.isTexture ? e.encoding : e && e.isWebGLRenderTarget ? (console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),
            e.texture.encoding) : rn;
            return e
        }
        return {
            getParameters: function(e, t, n, i, r) {
                var a, o, s = i.fog, l = e.isMeshStandardMaterial ? i.environment : null, i = h.get(e.envMap || l), l = E[e.type], u = r.isSkinnedMesh ? (u = (o = r).skeleton.bones,
                y ? 1024 : (o = Math.floor((w - 20) / 4),
                (o = Math.min(o, u.length)) < u.length ? (console.warn("THREE.WebGLRenderer: Skeleton has " + u.length + " bones. This GPU supports " + o + "."),
                0) : o)) : 0;
                null !== e.precision && (x = f.getMaxPrecision(e.precision)) !== e.precision && console.warn("THREE.WebGLProgram.getParameters:", e.precision, "not supported, using", x, "instead."),
                o = l ? (a = (c = ha[l]).vertexShader,
                c.fragmentShader) : (a = e.vertexShader,
                e.fragmentShader);
                var c = d.getRenderTarget();
                return {
                    isWebGL2: v,
                    shaderID: l,
                    shaderName: e.type,
                    vertexShader: a,
                    fragmentShader: o,
                    defines: e.defines,
                    isRawShaderMaterial: !0 === e.isRawShaderMaterial,
                    glslVersion: e.glslVersion,
                    precision: x,
                    instancing: !0 === r.isInstancedMesh,
                    instancingColor: !0 === r.isInstancedMesh && null !== r.instanceColor,
                    supportsVertexTextures: b,
                    outputEncoding: null !== c ? _(c.texture) : d.outputEncoding,
                    map: !!e.map,
                    mapEncoding: _(e.map),
                    matcap: !!e.matcap,
                    matcapEncoding: _(e.matcap),
                    envMap: !!i,
                    envMapMode: i && i.mapping,
                    envMapEncoding: _(i),
                    envMapCubeUV: !!i && (i.mapping === z || i.mapping === U),
                    lightMap: !!e.lightMap,
                    lightMapEncoding: _(e.lightMap),
                    aoMap: !!e.aoMap,
                    emissiveMap: !!e.emissiveMap,
                    emissiveMapEncoding: _(e.emissiveMap),
                    bumpMap: !!e.bumpMap,
                    normalMap: !!e.normalMap,
                    objectSpaceNormalMap: e.normalMapType === ln,
                    tangentSpaceNormalMap: e.normalMapType === sn,
                    clearcoatMap: !!e.clearcoatMap,
                    clearcoatRoughnessMap: !!e.clearcoatRoughnessMap,
                    clearcoatNormalMap: !!e.clearcoatNormalMap,
                    displacementMap: !!e.displacementMap,
                    roughnessMap: !!e.roughnessMap,
                    metalnessMap: !!e.metalnessMap,
                    specularMap: !!e.specularMap,
                    alphaMap: !!e.alphaMap,
                    gradientMap: !!e.gradientMap,
                    sheen: !!e.sheen,
                    transmissionMap: !!e.transmissionMap,
                    combine: e.combine,
                    vertexTangents: e.normalMap && e.vertexTangents,
                    vertexColors: e.vertexColors,
                    vertexUvs: !!(e.map || e.bumpMap || e.normalMap || e.specularMap || e.alphaMap || e.emissiveMap || e.roughnessMap || e.metalnessMap || e.clearcoatMap || e.clearcoatRoughnessMap || e.clearcoatNormalMap || e.displacementMap || e.transmissionMap),
                    uvsVertexOnly: !(e.map || e.bumpMap || e.normalMap || e.specularMap || e.alphaMap || e.emissiveMap || e.roughnessMap || e.metalnessMap || e.clearcoatNormalMap || e.transmissionMap || !e.displacementMap),
                    fog: !!s,
                    useFog: e.fog,
                    fogExp2: s && s.isFogExp2,
                    flatShading: e.flatShading,
                    sizeAttenuation: e.sizeAttenuation,
                    logarithmicDepthBuffer: g,
                    skinning: e.skinning && 0 < u,
                    maxBones: u,
                    useVertexTexture: y,
                    morphTargets: e.morphTargets,
                    morphNormals: e.morphNormals,
                    maxMorphTargets: d.maxMorphTargets,
                    maxMorphNormals: d.maxMorphNormals,
                    numDirLights: t.directional.length,
                    numPointLights: t.point.length,
                    numSpotLights: t.spot.length,
                    numRectAreaLights: t.rectArea.length,
                    numHemiLights: t.hemi.length,
                    numDirLightShadows: t.directionalShadowMap.length,
                    numPointLightShadows: t.pointShadowMap.length,
                    numSpotLightShadows: t.spotShadowMap.length,
                    numClippingPlanes: m.numPlanes,
                    numClipIntersection: m.numIntersection,
                    dithering: e.dithering,
                    shadowMapEnabled: d.shadowMap.enabled && 0 < n.length,
                    shadowMapType: d.shadowMap.type,
                    toneMapping: e.toneMapped ? d.toneMapping : De,
                    physicallyCorrectLights: d.physicallyCorrectLights,
                    premultipliedAlpha: e.premultipliedAlpha,
                    alphaTest: e.alphaTest,
                    doubleSided: e.side === Y,
                    flipSided: e.side === J,
                    depthPacking: void 0 !== e.depthPacking && e.depthPacking,
                    index0AttributeName: e.index0AttributeName,
                    extensionDerivatives: e.extensions && e.extensions.derivatives,
                    extensionFragDepth: e.extensions && e.extensions.fragDepth,
                    extensionDrawBuffers: e.extensions && e.extensions.drawBuffers,
                    extensionShaderTextureLOD: e.extensions && e.extensions.shaderTextureLOD,
                    rendererExtensionFragDepth: v || p.has("EXT_frag_depth"),
                    rendererExtensionDrawBuffers: v || p.has("WEBGL_draw_buffers"),
                    rendererExtensionShaderTextureLod: v || p.has("EXT_shader_texture_lod"),
                    customProgramCacheKey: e.customProgramCacheKey()
                }
            },
            getProgramCacheKey: function(e) {
                var t = [];
                if (e.shaderID ? t.push(e.shaderID) : (t.push(e.fragmentShader),
                t.push(e.vertexShader)),
                void 0 !== e.defines)
                    for (var n in e.defines)
                        t.push(n),
                        t.push(e.defines[n]);
                if (!1 === e.isRawShaderMaterial) {
                    for (var i = 0; i < r.length; i++)
                        t.push(e[r[i]]);
                    t.push(d.outputEncoding),
                    t.push(d.gammaFactor)
                }
                return t.push(e.customProgramCacheKey),
                t.join()
            },
            getUniforms: function(e) {
                var t = E[e.type];
                return t ? (t = ha[t],
                Jr.clone(t.uniforms)) : e.uniforms
            },
            acquireProgram: function(e, t) {
                for (var n, i = 0, r = s.length; i < r; i++) {
                    var a = s[i];
                    if (a.cacheKey === t) {
                        ++(n = a).usedTimes;
                        break
                    }
                }
                return void 0 === n && (n = new Go(d,t,e,o),
                s.push(n)),
                n
            },
            releaseProgram: function(e) {
                var t;
                0 == --e.usedTimes && (t = s.indexOf(e),
                s[t] = s[s.length - 1],
                s.pop(),
                e.destroy())
            },
            programs: s
        }
    }
    function Vo() {
        var i = new WeakMap;
        return {
            get: function(e) {
                var t = i.get(e);
                return void 0 === t && i.set(e, t = {}),
                t
            },
            remove: function(e) {
                i.delete(e)
            },
            update: function(e, t, n) {
                i.get(e)[t] = n
            },
            dispose: function() {
                i = new WeakMap
            }
        }
    }
    function jo(e, t) {
        return e.groupOrder !== t.groupOrder ? e.groupOrder - t.groupOrder : e.renderOrder !== t.renderOrder ? e.renderOrder - t.renderOrder : e.program !== t.program ? e.program.id - t.program.id : e.material.id !== t.material.id ? e.material.id - t.material.id : e.z !== t.z ? e.z - t.z : e.id - t.id
    }
    function Wo(e, t) {
        return e.groupOrder !== t.groupOrder ? e.groupOrder - t.groupOrder : e.renderOrder !== t.renderOrder ? e.renderOrder - t.renderOrder : e.z !== t.z ? t.z - e.z : e.id - t.id
    }
    function Xo(l) {
        var u = []
          , c = 0
          , o = []
          , s = []
          , d = {
            id: -1
        };
        function h(e, t, n, i, r, a) {
            var o = u[c]
              , s = l.get(n);
            return void 0 === o ? (o = {
                id: e.id,
                object: e,
                geometry: t,
                material: n,
                program: s.program || d,
                groupOrder: i,
                renderOrder: e.renderOrder,
                z: r,
                group: a
            },
            u[c] = o) : (o.id = e.id,
            o.object = e,
            o.geometry = t,
            o.material = n,
            o.program = s.program || d,
            o.groupOrder = i,
            o.renderOrder = e.renderOrder,
            o.z = r,
            o.group = a),
            c++,
            o
        }
        return {
            opaque: o,
            transparent: s,
            init: function() {
                c = 0,
                o.length = 0,
                s.length = 0
            },
            push: function(e, t, n, i, r, a) {
                a = h(e, t, n, i, r, a),
                (!0 === n.transparent ? s : o).push(a)
            },
            unshift: function(e, t, n, i, r, a) {
                a = h(e, t, n, i, r, a),
                (!0 === n.transparent ? s : o).unshift(a)
            },
            finish: function() {
                for (var e = c, t = u.length; e < t; e++) {
                    var n = u[e];
                    if (null === n.id)
                        break;
                    n.id = null,
                    n.object = null,
                    n.geometry = null,
                    n.material = null,
                    n.program = null,
                    n.group = null
                }
            },
            sort: function(e, t) {
                1 < o.length && o.sort(e || jo),
                1 < s.length && s.sort(t || Wo)
            }
        }
    }
    function qo(r) {
        var a = new WeakMap;
        return {
            get: function(e, t) {
                var n, i = a.get(e);
                return void 0 === i ? (n = new Xo(r),
                a.set(e, new WeakMap),
                a.get(e).set(t, n)) : void 0 === (n = i.get(t)) && (n = new Xo(r),
                i.set(t, n)),
                n
            },
            dispose: function() {
                a = new WeakMap
            }
        }
    }
    function Jo() {
        var n = {};
        return {
            get: function(e) {
                if (void 0 !== n[e.id])
                    return n[e.id];
                var t;
                switch (e.type) {
                case "DirectionalLight":
                    t = {
                        direction: new Cn,
                        color: new Yi
                    };
                    break;
                case "SpotLight":
                    t = {
                        position: new Cn,
                        direction: new Cn,
                        color: new Yi,
                        distance: 0,
                        coneCos: 0,
                        penumbraCos: 0,
                        decay: 0
                    };
                    break;
                case "PointLight":
                    t = {
                        position: new Cn,
                        color: new Yi,
                        distance: 0,
                        decay: 0
                    };
                    break;
                case "HemisphereLight":
                    t = {
                        direction: new Cn,
                        skyColor: new Yi,
                        groundColor: new Yi
                    };
                    break;
                case "RectAreaLight":
                    t = {
                        color: new Yi,
                        position: new Cn,
                        halfWidth: new Cn,
                        halfHeight: new Cn
                    }
                }
                return n[e.id] = t
            }
        }
    }
    var Yo = 0;
    function Zo(e, t) {
        return (t.castShadow ? 1 : 0) - (e.castShadow ? 1 : 0)
    }
    function Qo(S, C) {
        for (var n, P = new Jo, D = (n = {},
        {
            get: function(e) {
                if (void 0 !== n[e.id])
                    return n[e.id];
                var t;
                switch (e.type) {
                case "DirectionalLight":
                case "SpotLight":
                    t = {
                        shadowBias: 0,
                        shadowNormalBias: 0,
                        shadowRadius: 1,
                        shadowMapSize: new yn
                    };
                    break;
                case "PointLight":
                    t = {
                        shadowBias: 0,
                        shadowNormalBias: 0,
                        shadowRadius: 1,
                        shadowMapSize: new yn,
                        shadowCameraNear: 1,
                        shadowCameraFar: 1e3
                    }
                }
                return n[e.id] = t
            }
        }), k = {
            version: 0,
            hash: {
                directionalLength: -1,
                pointLength: -1,
                spotLength: -1,
                rectAreaLength: -1,
                hemiLength: -1,
                numDirectionalShadows: -1,
                numPointShadows: -1,
                numSpotShadows: -1
            },
            ambient: [0, 0, 0],
            probe: [],
            directional: [],
            directionalShadow: [],
            directionalShadowMap: [],
            directionalShadowMatrix: [],
            spot: [],
            spotShadow: [],
            spotShadowMap: [],
            spotShadowMatrix: [],
            rectArea: [],
            rectAreaLTC1: null,
            rectAreaLTC2: null,
            point: [],
            pointShadow: [],
            pointShadowMap: [],
            pointShadowMatrix: [],
            hemi: []
        }, e = 0; e < 9; e++)
            k.probe.push(new Cn);
        var f = new Cn
          , m = new ni
          , v = new ni;
        return {
            setup: function(e) {
                for (var t = 0, n = 0, i = 0, r = 0; r < 9; r++)
                    k.probe[r].set(0, 0, 0);
                var a = 0
                  , o = 0
                  , s = 0
                  , l = 0
                  , u = 0
                  , c = 0
                  , d = 0
                  , h = 0;
                e.sort(Zo);
                for (var p = 0, f = e.length; p < f; p++) {
                    var m, v, g, y, w, b = e[p], x = b.color, E = b.intensity, _ = b.distance, M = b.shadow && b.shadow.map ? b.shadow.map.texture : null;
                    if (b.isAmbientLight)
                        t += x.r * E,
                        n += x.g * E,
                        i += x.b * E;
                    else if (b.isLightProbe)
                        for (var A = 0; A < 9; A++)
                            k.probe[A].addScaledVector(b.sh.coefficients[A], E);
                    else
                        b.isDirectionalLight ? ((g = P.get(b)).color.copy(b.color).multiplyScalar(b.intensity),
                        b.castShadow && (m = b.shadow,
                        (v = D.get(b)).shadowBias = m.bias,
                        v.shadowNormalBias = m.normalBias,
                        v.shadowRadius = m.radius,
                        v.shadowMapSize = m.mapSize,
                        k.directionalShadow[a] = v,
                        k.directionalShadowMap[a] = M,
                        k.directionalShadowMatrix[a] = b.shadow.matrix,
                        c++),
                        k.directional[a] = g,
                        a++) : b.isSpotLight ? ((v = P.get(b)).position.setFromMatrixPosition(b.matrixWorld),
                        v.color.copy(x).multiplyScalar(E),
                        v.distance = _,
                        v.coneCos = Math.cos(b.angle),
                        v.penumbraCos = Math.cos(b.angle * (1 - b.penumbra)),
                        v.decay = b.decay,
                        b.castShadow && (g = b.shadow,
                        (_ = D.get(b)).shadowBias = g.bias,
                        _.shadowNormalBias = g.normalBias,
                        _.shadowRadius = g.radius,
                        _.shadowMapSize = g.mapSize,
                        k.spotShadow[s] = _,
                        k.spotShadowMap[s] = M,
                        k.spotShadowMatrix[s] = b.shadow.matrix,
                        h++),
                        k.spot[s] = v,
                        s++) : b.isRectAreaLight ? ((y = P.get(b)).color.copy(x).multiplyScalar(E),
                        y.halfWidth.set(.5 * b.width, 0, 0),
                        y.halfHeight.set(0, .5 * b.height, 0),
                        k.rectArea[l] = y,
                        l++) : b.isPointLight ? ((w = P.get(b)).color.copy(b.color).multiplyScalar(b.intensity),
                        w.distance = b.distance,
                        w.decay = b.decay,
                        b.castShadow && (x = b.shadow,
                        (y = D.get(b)).shadowBias = x.bias,
                        y.shadowNormalBias = x.normalBias,
                        y.shadowRadius = x.radius,
                        y.shadowMapSize = x.mapSize,
                        y.shadowCameraNear = x.camera.near,
                        y.shadowCameraFar = x.camera.far,
                        k.pointShadow[o] = y,
                        k.pointShadowMap[o] = M,
                        k.pointShadowMatrix[o] = b.shadow.matrix,
                        d++),
                        k.point[o] = w,
                        o++) : b.isHemisphereLight && ((w = P.get(b)).skyColor.copy(b.color).multiplyScalar(E),
                        w.groundColor.copy(b.groundColor).multiplyScalar(E),
                        k.hemi[u] = w,
                        u++)
                }
                0 < l && (C.isWebGL2 || !0 === S.has("OES_texture_float_linear") ? (k.rectAreaLTC1 = da.LTC_FLOAT_1,
                k.rectAreaLTC2 = da.LTC_FLOAT_2) : !0 === S.has("OES_texture_half_float_linear") ? (k.rectAreaLTC1 = da.LTC_HALF_1,
                k.rectAreaLTC2 = da.LTC_HALF_2) : console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),
                k.ambient[0] = t,
                k.ambient[1] = n,
                k.ambient[2] = i;
                var T = k.hash;
                T.directionalLength === a && T.pointLength === o && T.spotLength === s && T.rectAreaLength === l && T.hemiLength === u && T.numDirectionalShadows === c && T.numPointShadows === d && T.numSpotShadows === h || (k.directional.length = a,
                k.spot.length = s,
                k.rectArea.length = l,
                k.point.length = o,
                k.hemi.length = u,
                k.directionalShadow.length = c,
                k.directionalShadowMap.length = c,
                k.pointShadow.length = d,
                k.pointShadowMap.length = d,
                k.spotShadow.length = h,
                k.spotShadowMap.length = h,
                k.directionalShadowMatrix.length = c,
                k.pointShadowMatrix.length = d,
                k.spotShadowMatrix.length = h,
                T.directionalLength = a,
                T.pointLength = o,
                T.spotLength = s,
                T.rectAreaLength = l,
                T.hemiLength = u,
                T.numDirectionalShadows = c,
                T.numPointShadows = d,
                T.numSpotShadows = h,
                k.version = Yo++)
            },
            setupView: function(e, t) {
                for (var n = 0, i = 0, r = 0, a = 0, o = 0, s = t.matrixWorldInverse, l = 0, u = e.length; l < u; l++) {
                    var c, d, h, p = e[l];
                    p.isDirectionalLight ? ((c = k.directional[n]).direction.setFromMatrixPosition(p.matrixWorld),
                    f.setFromMatrixPosition(p.target.matrixWorld),
                    c.direction.sub(f),
                    c.direction.transformDirection(s),
                    n++) : p.isSpotLight ? ((d = k.spot[r]).position.setFromMatrixPosition(p.matrixWorld),
                    d.position.applyMatrix4(s),
                    d.direction.setFromMatrixPosition(p.matrixWorld),
                    f.setFromMatrixPosition(p.target.matrixWorld),
                    d.direction.sub(f),
                    d.direction.transformDirection(s),
                    r++) : p.isRectAreaLight ? ((d = k.rectArea[a]).position.setFromMatrixPosition(p.matrixWorld),
                    d.position.applyMatrix4(s),
                    v.identity(),
                    m.copy(p.matrixWorld),
                    m.premultiply(s),
                    v.extractRotation(m),
                    d.halfWidth.set(.5 * p.width, 0, 0),
                    d.halfHeight.set(0, .5 * p.height, 0),
                    d.halfWidth.applyMatrix4(v),
                    d.halfHeight.applyMatrix4(v),
                    a++) : p.isPointLight ? ((h = k.point[i]).position.setFromMatrixPosition(p.matrixWorld),
                    h.position.applyMatrix4(s),
                    i++) : p.isHemisphereLight && ((h = k.hemi[o]).direction.setFromMatrixPosition(p.matrixWorld),
                    h.direction.transformDirection(s),
                    h.direction.normalize(),
                    o++)
                }
            },
            state: k
        }
    }
    function Ko(e, t) {
        var n = new Qo(e,t)
          , i = []
          , r = [];
        return {
            init: function() {
                i.length = 0,
                r.length = 0
            },
            state: {
                lightsArray: i,
                shadowsArray: r,
                lights: n
            },
            setupLights: function() {
                n.setup(i)
            },
            setupLightsView: function(e) {
                n.setupView(i, e)
            },
            pushLight: function(e) {
                i.push(e)
            },
            pushShadow: function(e) {
                r.push(e)
            }
        }
    }
    function $o(i, r) {
        var a = new WeakMap;
        return {
            get: function(e) {
                var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
                return !1 === a.has(e) ? (t = new Ko(i,r),
                a.set(e, []),
                a.get(e).push(t)) : n >= a.get(e).length ? (t = new Ko(i,r),
                a.get(e).push(t)) : t = a.get(e)[n],
                t
            },
            dispose: function() {
                a = new WeakMap
            }
        }
    }
    function es(e) {
        Ki.call(this),
        this.type = "MeshDepthMaterial",
        this.depthPacking = 3200,
        this.skinning = !1,
        this.morphTargets = !1,
        this.map = null,
        this.alphaMap = null,
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.fog = !1,
        this.setValues(e)
    }
    function ts(e) {
        Ki.call(this),
        this.type = "MeshDistanceMaterial",
        this.referencePosition = new Cn,
        this.nearDistance = 1,
        this.farDistance = 1e3,
        this.skinning = !1,
        this.morphTargets = !1,
        this.map = null,
        this.alphaMap = null,
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.fog = !1,
        this.setValues(e)
    }
    ((es.prototype = Object.create(Ki.prototype)).constructor = es).prototype.isMeshDepthMaterial = !0,
    es.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.depthPacking = e.depthPacking,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.map = e.map,
        this.alphaMap = e.alphaMap,
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this
    }
    ,
    ((ts.prototype = Object.create(Ki.prototype)).constructor = ts).prototype.isMeshDistanceMaterial = !0,
    ts.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.referencePosition.copy(e.referencePosition),
        this.nearDistance = e.nearDistance,
        this.farDistance = e.farDistance,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.map = e.map,
        this.alphaMap = e.alphaMap,
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this
    }
    ;
    var ns = "uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n\tfor ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean * HALF_SAMPLE_RATE;\n\tsquared_mean = squared_mean * HALF_SAMPLE_RATE;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"
      , is = "void main() {\n\tgl_Position = vec4( position, 1.0 );\n}";
    function rs(g, y, w) {
        var b = new oa
          , x = new yn
          , E = new yn
          , _ = new Mn
          , r = []
          , a = []
          , h = {}
          , p = {
            0: J,
            1: q,
            2: Y
        }
          , M = new Qr({
            defines: {
                SAMPLE_RATE: .25,
                HALF_SAMPLE_RATE: 1 / 8
            },
            uniforms: {
                shadow_pass: {
                    value: null
                },
                resolution: {
                    value: new yn
                },
                radius: {
                    value: 4
                }
            },
            vertexShader: is,
            fragmentShader: ns
        })
          , A = M.clone();
        A.defines.HORIZONTAL_PASS = 1;
        var e = new Mr;
        e.setAttribute("position", new nr(new Float32Array([-1, -1, .5, 3, -1, .5, -1, 3, .5]),3));
        var T = new Hr(e,M)
          , S = this;
        function f(e, t, n) {
            var i = e << 0 | t << 1 | n << 2
              , n = r[i];
            return void 0 === n && (n = new es({
                depthPacking: on,
                morphTargets: e,
                skinning: t
            }),
            r[i] = n),
            n
        }
        function m(e, t, n) {
            var i = e << 0 | t << 1 | n << 2
              , n = a[i];
            return void 0 === n && (n = new ts({
                morphTargets: e,
                skinning: t
            }),
            a[i] = n),
            n
        }
        function C(e, t, n, i, r, a, o) {
            var s, l, u = null, c = f, d = e.customDepthMaterial;
            return !0 === i.isPointLight && (c = m,
            d = e.customDistanceMaterial),
            u = void 0 === d ? (!(s = !1) === n.morphTargets && (s = t.morphAttributes && t.morphAttributes.position && 0 < t.morphAttributes.position.length),
            !(l = !1) === e.isSkinnedMesh && (!0 === n.skinning ? l = !0 : console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:", e)),
            c(s, l, !0 === e.isInstancedMesh)) : d,
            g.localClippingEnabled && !0 === n.clipShadows && 0 !== n.clippingPlanes.length && (l = u.uuid,
            e = n.uuid,
            void 0 === (d = h[l]) && (h[l] = d = {}),
            void 0 === (l = d[e]) && (l = u.clone(),
            d[e] = l),
            u = l),
            u.visible = n.visible,
            u.wireframe = n.wireframe,
            u.side = o === D ? null !== n.shadowSide ? n.shadowSide : n.side : null !== n.shadowSide ? n.shadowSide : p[n.side],
            u.clipShadows = n.clipShadows,
            u.clippingPlanes = n.clippingPlanes,
            u.clipIntersection = n.clipIntersection,
            u.wireframelineWidth = n.wireframelineWidth,
            u.lineWidth = n.lineWidth,
            !0 === i.isPointLight && !0 === u.isMeshDistanceMaterial && (u.referencePosition.setFromMatrixPosition(i.matrixWorld),
            u.nearDistance = r,
            u.farDistance = a),
            u
        }
        this.enabled = !1,
        this.autoUpdate = !0,
        this.needsUpdate = !1,
        this.type = P,
        this.render = function(e, t, n) {
            if (!1 !== S.enabled && (!1 !== S.autoUpdate || !1 !== S.needsUpdate) && 0 !== e.length) {
                var i = g.getRenderTarget()
                  , r = g.getActiveCubeFace()
                  , a = g.getActiveMipmapLevel()
                  , o = g.state;
                o.setBlending(Z),
                o.buffers.color.setClear(1, 1, 1, 1),
                o.buffers.depth.setTest(!0),
                o.setScissorTest(!1);
                for (var s, l = 0, u = e.length; l < u; l++) {
                    var c = e[l]
                      , d = c.shadow;
                    if (void 0 !== d) {
                        if (!1 !== d.autoUpdate || !1 !== d.needsUpdate) {
                            x.copy(d.mapSize);
                            var h, p = d.getFrameExtents();
                            x.multiply(p),
                            E.copy(d.mapSize),
                            (x.x > w || x.y > w) && (x.x > w && (E.x = Math.floor(w / p.x),
                            x.x = E.x * p.x,
                            d.mapSize.x = E.x),
                            x.y > w && (E.y = Math.floor(w / p.y),
                            x.y = E.y * p.y,
                            d.mapSize.y = E.y)),
                            null !== d.map || d.isPointLightShadow || this.type !== D || (d.map = new An(x.x,x.y,h = {
                                minFilter: Oe,
                                magFilter: Oe,
                                format: et
                            }),
                            d.map.texture.name = c.name + ".shadowMap",
                            d.mapPass = new An(x.x,x.y,h),
                            d.camera.updateProjectionMatrix()),
                            null === d.map && (d.map = new An(x.x,x.y,{
                                minFilter: Re,
                                magFilter: Re,
                                format: et
                            }),
                            d.map.texture.name = c.name + ".shadowMap",
                            d.camera.updateProjectionMatrix()),
                            g.setRenderTarget(d.map),
                            g.clear();
                            for (var f = d.getViewportCount(), m = 0; m < f; m++) {
                                var v = d.getViewport(m);
                                _.set(E.x * v.x, E.y * v.y, E.x * v.z, E.y * v.w),
                                o.viewport(_),
                                d.updateMatrices(c, m),
                                b = d.getFrustum(),
                                function e(t, n, i, r, a) {
                                    if (!1 === t.visible)
                                        return;
                                    var o = t.layers.test(n.layers);
                                    if (o && (t.isMesh || t.isLine || t.isPoints) && (t.castShadow || t.receiveShadow && a === D) && (!t.frustumCulled || b.intersectsObject(t))) {
                                        t.modelViewMatrix.multiplyMatrices(i.matrixWorldInverse, t.matrixWorld);
                                        var s = y.update(t)
                                          , l = t.material;
                                        if (Array.isArray(l))
                                            for (var u = s.groups, c = 0, d = u.length; c < d; c++) {
                                                var h = u[c]
                                                  , p = l[h.materialIndex];
                                                p && p.visible && (p = C(t, s, p, r, i.near, i.far, a),
                                                g.renderBufferDirect(i, null, s, p, t, h))
                                            }
                                        else
                                            l.visible && (o = C(t, s, l, r, i.near, i.far, a),
                                            g.renderBufferDirect(i, null, s, o, t, null))
                                    }
                                    var f = t.children;
                                    for (var m = 0, v = f.length; m < v; m++)
                                        e(f[m], n, i, r, a)
                                }(t, n, d.camera, c, this.type)
                            }
                            d.isPointLightShadow || this.type !== D || (s = d,
                            p = n,
                            h = void 0,
                            h = y.update(T),
                            M.uniforms.shadow_pass.value = s.map.texture,
                            M.uniforms.resolution.value = s.mapSize,
                            M.uniforms.radius.value = s.radius,
                            g.setRenderTarget(s.mapPass),
                            g.clear(),
                            g.renderBufferDirect(p, null, h, M, T, null),
                            A.uniforms.shadow_pass.value = s.mapPass.texture,
                            A.uniforms.resolution.value = s.mapSize,
                            A.uniforms.radius.value = s.radius,
                            g.setRenderTarget(s.map),
                            g.clear(),
                            g.renderBufferDirect(p, null, h, A, T, null)),
                            d.needsUpdate = !1
                        }
                    } else
                        console.warn("THREE.WebGLShadowMap:", c, "has no shadow.")
                }
                S.needsUpdate = !1,
                g.setRenderTarget(i, r, a)
            }
        }
    }
    function as(c, e, t) {
        var n = t.isWebGL2;
        var i = new function() {
            var t = !1
              , a = new Mn
              , n = null
              , o = new Mn(0,0,0,0);
            return {
                setMask: function(e) {
                    n === e || t || (c.colorMask(e, e, e, e),
                    n = e)
                },
                setLocked: function(e) {
                    t = e
                },
                setClear: function(e, t, n, i, r) {
                    !0 === r && (e *= i,
                    t *= i,
                    n *= i),
                    a.set(e, t, n, i),
                    !1 === o.equals(a) && (c.clearColor(e, t, n, i),
                    o.copy(a))
                },
                reset: function() {
                    t = !1,
                    n = null,
                    o.set(-1, 0, 0, 0)
                }
            }
        }
          , r = new function() {
            var t = !1
              , n = null
              , i = null
              , r = null;
            return {
                setTest: function(e) {
                    (e ? B : L)(2929)
                },
                setMask: function(e) {
                    n === e || t || (c.depthMask(e),
                    n = e)
                },
                setFunc: function(e) {
                    if (i !== e) {
                        if (e)
                            switch (e) {
                            case Ee:
                                c.depthFunc(512);
                                break;
                            case _e:
                                c.depthFunc(519);
                                break;
                            case Me:
                                c.depthFunc(513);
                                break;
                            case Ae:
                                c.depthFunc(515);
                                break;
                            case Te:
                                c.depthFunc(514);
                                break;
                            case Se:
                                c.depthFunc(518);
                                break;
                            case Ce:
                                c.depthFunc(516);
                                break;
                            case Pe:
                                c.depthFunc(517);
                                break;
                            default:
                                c.depthFunc(515)
                            }
                        else
                            c.depthFunc(515);
                        i = e
                    }
                },
                setLocked: function(e) {
                    t = e
                },
                setClear: function(e) {
                    r !== e && (c.clearDepth(e),
                    r = e)
                },
                reset: function() {
                    t = !1,
                    r = i = n = null
                }
            }
        }
          , a = new function() {
            var t = !1
              , n = null
              , i = null
              , r = null
              , a = null
              , o = null
              , s = null
              , l = null
              , u = null;
            return {
                setTest: function(e) {
                    t || (e ? B : L)(2960)
                },
                setMask: function(e) {
                    n === e || t || (c.stencilMask(e),
                    n = e)
                },
                setFunc: function(e, t, n) {
                    i === e && r === t && a === n || (c.stencilFunc(e, t, n),
                    i = e,
                    r = t,
                    a = n)
                },
                setOp: function(e, t, n) {
                    o === e && s === t && l === n || (c.stencilOp(e, t, n),
                    o = e,
                    s = t,
                    l = n)
                },
                setLocked: function(e) {
                    t = e
                },
                setClear: function(e) {
                    u !== e && (c.clearStencil(e),
                    u = e)
                },
                reset: function() {
                    t = !1,
                    u = l = s = o = a = r = i = n = null
                }
            }
        }
          , o = {}
          , s = null
          , l = null
          , u = null
          , d = null
          , h = null
          , p = null
          , f = null
          , m = null
          , v = null
          , g = !1
          , y = null
          , w = null
          , b = null
          , x = null
          , E = null
          , _ = c.getParameter(35661)
          , M = !1
          , A = 0
          , t = c.getParameter(7938);
        -1 !== t.indexOf("WebGL") ? (A = parseFloat(/^WebGL (\d)/.exec(t)[1]),
        M = 1 <= A) : -1 !== t.indexOf("OpenGL ES") && (A = parseFloat(/^OpenGL ES (\d)/.exec(t)[1]),
        M = 2 <= A);
        var T = null
          , S = {}
          , C = new Mn
          , P = new Mn;
        function D(e, t, n) {
            var i = new Uint8Array(4)
              , r = c.createTexture();
            c.bindTexture(e, r),
            c.texParameteri(e, 10241, 9728),
            c.texParameteri(e, 10240, 9728);
            for (var a = 0; a < n; a++)
                c.texImage2D(t + a, 0, 6408, 1, 1, 0, 6408, 5121, i);
            return r
        }
        var k = {};
        function B(e) {
            !0 !== o[e] && (c.enable(e),
            o[e] = !0)
        }
        function L(e) {
            !1 !== o[e] && (c.disable(e),
            o[e] = !1)
        }
        k[3553] = D(3553, 3553, 1),
        k[34067] = D(34067, 34069, 6),
        i.setClear(0, 0, 0, 1),
        r.setClear(1),
        a.setClear(0),
        B(2929),
        r.setFunc(Ae),
        z(!1),
        N(j),
        B(2884),
        O(Z);
        var R, F = (H(A = {}, re, 32774),
        H(A, ae, 32778),
        H(A, oe, 32779),
        A);
        n ? (F[se] = 32775,
        F[ce] = 32776) : null !== (R = e.get("EXT_blend_minmax")) && (F[se] = R.MIN_EXT,
        F[ce] = R.MAX_EXT);
        var I = (H(R = {}, de, 0),
        H(R, he, 1),
        H(R, pe, 768),
        H(R, me, 770),
        H(R, xe, 776),
        H(R, we, 774),
        H(R, ge, 772),
        H(R, fe, 769),
        H(R, ve, 771),
        H(R, be, 775),
        H(R, ye, 773),
        R);
        function O(e, t, n, i, r, a, o, s) {
            if (e !== Z) {
                if (l || (B(3042),
                l = !0),
                e === ie)
                    r = r || t,
                    a = a || n,
                    o = o || i,
                    t === d && r === f || (c.blendEquationSeparate(F[t], F[r]),
                    d = t,
                    f = r),
                    n === h && i === p && a === m && o === v || (c.blendFuncSeparate(I[n], I[i], I[a], I[o]),
                    h = n,
                    p = i,
                    m = a,
                    v = o),
                    u = e,
                    g = null;
                else if (e !== u || s !== g) {
                    if (d === re && f === re || (c.blendEquation(32774),
                    f = d = re),
                    s)
                        switch (e) {
                        case K:
                            c.blendFuncSeparate(1, 771, 1, 771);
                            break;
                        case ee:
                            c.blendFunc(1, 1);
                            break;
                        case te:
                            c.blendFuncSeparate(0, 0, 769, 771);
                            break;
                        case ne:
                            c.blendFuncSeparate(0, 768, 0, 770);
                            break;
                        default:
                            console.error("THREE.WebGLState: Invalid blending: ", e)
                        }
                    else
                        switch (e) {
                        case K:
                            c.blendFuncSeparate(770, 771, 1, 771);
                            break;
                        case ee:
                            c.blendFunc(770, 1);
                            break;
                        case te:
                            c.blendFunc(0, 769);
                            break;
                        case ne:
                            c.blendFunc(0, 768);
                            break;
                        default:
                            console.error("THREE.WebGLState: Invalid blending: ", e)
                        }
                    v = m = p = h = null,
                    u = e,
                    g = s
                }
            } else
                l && (L(3042),
                l = !1)
        }
        function z(e) {
            y !== e && (e ? c.frontFace(2304) : c.frontFace(2305),
            y = e)
        }
        function N(e) {
            e !== V ? (B(2884),
            e !== w && (e === j ? c.cullFace(1029) : e === W ? c.cullFace(1028) : c.cullFace(1032))) : L(2884),
            w = e
        }
        function U(e, t, n) {
            e ? (B(32823),
            x === t && E === n || (c.polygonOffset(t, n),
            x = t,
            E = n)) : L(32823)
        }
        function G(e) {
            T !== (e = void 0 === e ? 33984 + _ - 1 : e) && (c.activeTexture(e),
            T = e)
        }
        return {
            buffers: {
                color: i,
                depth: r,
                stencil: a
            },
            enable: B,
            disable: L,
            useProgram: function(e) {
                return s !== e && (c.useProgram(e),
                s = e,
                !0)
            },
            setBlending: O,
            setMaterial: function(e, t) {
                (e.side === Y ? L : B)(2884);
                var n = e.side === J;
                z(n = t ? !n : n),
                e.blending === K && !1 === e.transparent ? O(Z) : O(e.blending, e.blendEquation, e.blendSrc, e.blendDst, e.blendEquationAlpha, e.blendSrcAlpha, e.blendDstAlpha, e.premultipliedAlpha),
                r.setFunc(e.depthFunc),
                r.setTest(e.depthTest),
                r.setMask(e.depthWrite),
                i.setMask(e.colorWrite),
                n = e.stencilWrite,
                a.setTest(n),
                n && (a.setMask(e.stencilWriteMask),
                a.setFunc(e.stencilFunc, e.stencilRef, e.stencilFuncMask),
                a.setOp(e.stencilFail, e.stencilZFail, e.stencilZPass)),
                U(e.polygonOffset, e.polygonOffsetFactor, e.polygonOffsetUnits)
            },
            setFlipSided: z,
            setCullFace: N,
            setlineWidth: function(e) {
                e !== b && (M && c.lineWidth(e),
                b = e)
            },
            setPolygonOffset: U,
            setScissorTest: function(e) {
                (e ? B : L)(3089)
            },
            activeTexture: G,
            bindTexture: function(e, t) {
                null === T && G();
                var n = S[T];
                void 0 === n && (S[T] = n = {
                    type: void 0,
                    texture: void 0
                }),
                n.type === e && n.texture === t || (c.bindTexture(e, t || k[e]),
                n.type = e,
                n.texture = t)
            },
            unbindTexture: function() {
                var e = S[T];
                void 0 !== e && void 0 !== e.type && (c.bindTexture(e.type, null),
                e.type = void 0,
                e.texture = void 0)
            },
            compressedTexImage2D: function() {
                try {
                    c.compressedTexImage2D.apply(c, arguments)
                } catch (e) {
                    console.error("THREE.WebGLState:", e)
                }
            },
            texImage2D: function() {
                try {
                    c.texImage2D.apply(c, arguments)
                } catch (e) {
                    console.error("THREE.WebGLState:", e)
                }
            },
            texImage3D: function() {
                try {
                    c.texImage3D.apply(c, arguments)
                } catch (e) {
                    console.error("THREE.WebGLState:", e)
                }
            },
            scissor: function(e) {
                !1 === C.equals(e) && (c.scissor(e.x, e.y, e.z, e.w),
                C.copy(e))
            },
            viewport: function(e) {
                !1 === P.equals(e) && (c.viewport(e.x, e.y, e.z, e.w),
                P.copy(e))
            },
            reset: function() {
                o = {},
                g = !(S = {}),
                E = x = b = w = y = v = m = f = p = h = d = u = l = s = T = null,
                i.reset(),
                r.reset(),
                a.reset()
            }
        }
    }
    function os(b, i, x, u, r, E, c) {
        var e, a, _ = r.isWebGL2, t = r.maxTextures, M = r.maxCubemapSize, v = r.maxTextureSize, n = r.maxSamples, o = new WeakMap, s = !1;
        try {
            s = "undefined" != typeof OffscreenCanvas && null !== new OffscreenCanvas(1,1).getContext("2d")
        } catch (e) {}
        function l(e, t) {
            return s ? new OffscreenCanvas(e,t) : document.createElementNS("http://www.w3.org/1999/xhtml", "canvas")
        }
        function A(e, t, n, i) {
            var r = 1;
            if ((r = e.width > i || e.height > i ? i / Math.max(e.width, e.height) : r) < 1 || !0 === t) {
                if ("undefined" != typeof HTMLImageElement && e instanceof HTMLImageElement || "undefined" != typeof HTMLCanvasElement && e instanceof HTMLCanvasElement || "undefined" != typeof ImageBitmap && e instanceof ImageBitmap) {
                    i = t ? gn.floorPowerOfTwo : Math.floor,
                    t = i(r * e.width),
                    r = i(r * e.height);
                    void 0 === a && (a = l(t, r));
                    n = n ? l(t, r) : a;
                    return n.width = t,
                    n.height = r,
                    n.getContext("2d").drawImage(e, 0, 0, t, r),
                    console.warn("THREE.WebGLRenderer: Texture has been resized from (" + e.width + "x" + e.height + ") to (" + t + "x" + r + ")."),
                    n
                }
                return "data"in e && console.warn("THREE.WebGLRenderer: Image in DataTexture is too big (" + e.width + "x" + e.height + ")."),
                e
            }
            return e
        }
        function T(e) {
            return gn.isPowerOfTwo(e.width) && gn.isPowerOfTwo(e.height)
        }
        function S(e, t) {
            return e.generateMipmaps && t && e.minFilter !== Re && e.minFilter !== Oe
        }
        function C(e, t, n, i) {
            b.generateMipmap(e),
            u.get(t).__maxMipLevel = Math.log(Math.max(n, i)) * Math.LOG2E
        }
        function P(e, t, n) {
            if (!1 === _)
                return t;
            if (null !== e) {
                if (void 0 !== b[e])
                    return b[e];
                console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '" + e + "'")
            }
            e = t;
            return 6403 === t && (5126 === n && (e = 33326),
            5131 === n && (e = 33325),
            5121 === n && (e = 33321)),
            6407 === t && (5126 === n && (e = 34837),
            5131 === n && (e = 34843),
            5121 === n && (e = 32849)),
            6408 === t && (5126 === n && (e = 34836),
            5131 === n && (e = 34842),
            5121 === n && (e = 32856)),
            33325 !== e && 33326 !== e && 34842 !== e && 34836 !== e || i.get("EXT_color_buffer_float"),
            e
        }
        function d(e) {
            return e === Re || e === Fe || e === Ie ? 9728 : 9729
        }
        function h(e) {
            var t, n = e.target;
            n.removeEventListener("dispose", h),
            t = n,
            void 0 !== (e = u.get(t)).__webglInit && (b.deleteTexture(e.__webglTexture),
            u.remove(t)),
            n.isVideoTexture && o.delete(n),
            c.memory.textures--
        }
        function p(e) {
            e = e.target;
            e.removeEventListener("dispose", p),
            function(e) {
                var t = u.get(e)
                  , n = u.get(e.texture);
                if (e) {
                    if (void 0 !== n.__webglTexture && b.deleteTexture(n.__webglTexture),
                    e.depthTexture && e.depthTexture.dispose(),
                    e.isWebGLCubeRenderTarget)
                        for (var i = 0; i < 6; i++)
                            b.deleteFramebuffer(t.__webglFramebuffer[i]),
                            t.__webglDepthbuffer && b.deleteRenderbuffer(t.__webglDepthbuffer[i]);
                    else
                        b.deleteFramebuffer(t.__webglFramebuffer),
                        t.__webglDepthbuffer && b.deleteRenderbuffer(t.__webglDepthbuffer),
                        t.__webglMultisampledFramebuffer && b.deleteFramebuffer(t.__webglMultisampledFramebuffer),
                        t.__webglColorRenderbuffer && b.deleteRenderbuffer(t.__webglColorRenderbuffer),
                        t.__webglDepthRenderbuffer && b.deleteRenderbuffer(t.__webglDepthRenderbuffer);
                    u.remove(e.texture),
                    u.remove(e)
                }
            }(e),
            c.memory.textures--
        }
        var f = 0;
        function m(e, t) {
            var n, i = u.get(e);
            if (e.isVideoTexture && (r = e,
            n = c.render.frame,
            o.get(r) !== n && (o.set(r, n),
            r.update())),
            0 < e.version && i.__version !== e.version) {
                var r = e.image;
                if (void 0 === r)
                    console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");
                else {
                    if (!1 !== r.complete)
                        return void B(i, e, t);
                    console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")
                }
            }
            x.activeTexture(33984 + t),
            x.bindTexture(3553, i.__webglTexture)
        }
        function g(e, t) {
            var n = u.get(e);
            0 < e.version && n.__version !== e.version ? function(e, t, n) {
                if (6 === t.image.length) {
                    k(e, t),
                    x.activeTexture(33984 + n),
                    x.bindTexture(34067, e.__webglTexture),
                    b.pixelStorei(37440, t.flipY);
                    for (var i = t && (t.isCompressedTexture || t.image[0].isCompressedTexture), r = t.image[0] && t.image[0].isDataTexture, a = [], o = 0; o < 6; o++)
                        a[o] = i || r ? r ? t.image[o].image : t.image[o] : A(t.image[o], !1, !0, M);
                    var s, l = a[0], n = T(l) || _, u = E.convert(t.format), c = E.convert(t.type), d = P(t.internalFormat, u, c);
                    if (D(34067, t, n),
                    i) {
                        for (var h = 0; h < 6; h++) {
                            s = a[h].mipmaps;
                            for (var p = 0; p < s.length; p++) {
                                var f = s[p];
                                t.format !== et && t.format !== $e ? null !== u ? x.compressedTexImage2D(34069 + h, p, d, f.width, f.height, 0, f.data) : console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()") : x.texImage2D(34069 + h, p, d, f.width, f.height, 0, u, c, f.data)
                            }
                        }
                        e.__maxMipLevel = s.length - 1
                    } else {
                        s = t.mipmaps;
                        for (var m = 0; m < 6; m++)
                            if (r) {
                                x.texImage2D(34069 + m, 0, d, a[m].width, a[m].height, 0, u, c, a[m].data);
                                for (var v = 0; v < s.length; v++) {
                                    var g = s[v].image[m].image;
                                    x.texImage2D(34069 + m, v + 1, d, g.width, g.height, 0, u, c, g.data)
                                }
                            } else {
                                x.texImage2D(34069 + m, 0, d, u, c, a[m]);
                                for (var y = 0; y < s.length; y++) {
                                    var w = s[y];
                                    x.texImage2D(34069 + m, y + 1, d, u, c, w.image[m])
                                }
                            }
                        e.__maxMipLevel = s.length
                    }
                    S(t, n) && C(34067, t, l.width, l.height),
                    e.__version = t.version,
                    t.onUpdate && t.onUpdate(t)
                }
            }(n, e, t) : (x.activeTexture(33984 + t),
            x.bindTexture(34067, n.__webglTexture))
        }
        var y = (H(e = {}, ke, 10497),
        H(e, Be, 33071),
        H(e, Le, 33648),
        e)
          , w = (H(e = {}, Re, 9728),
        H(e, Fe, 9984),
        H(e, Ie, 9986),
        H(e, Oe, 9729),
        H(e, ze, 9985),
        H(e, Ne, 9987),
        e);
        function D(e, t, n) {
            n ? (b.texParameteri(e, 10242, y[t.wrapS]),
            b.texParameteri(e, 10243, y[t.wrapT]),
            32879 !== e && 35866 !== e || b.texParameteri(e, 32882, y[t.wrapR]),
            b.texParameteri(e, 10240, w[t.magFilter]),
            b.texParameteri(e, 10241, w[t.minFilter])) : (b.texParameteri(e, 10242, 33071),
            b.texParameteri(e, 10243, 33071),
            32879 !== e && 35866 !== e || b.texParameteri(e, 32882, 33071),
            t.wrapS === Be && t.wrapT === Be || console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.wrapS and Texture.wrapT should be set to THREE.ClampToEdgeWrapping."),
            b.texParameteri(e, 10240, d(t.magFilter)),
            b.texParameteri(e, 10241, d(t.minFilter)),
            t.minFilter !== Re && t.minFilter !== Oe && console.warn("THREE.WebGLRenderer: Texture is not power of two. Texture.minFilter should be set to THREE.NearestFilter or THREE.LinearFilter."));
            n = i.get("EXT_texture_filter_anisotropic");
            n && (t.type === Xe && null === i.get("OES_texture_float_linear") || t.type === qe && null === (_ || i.get("OES_texture_half_float_linear")) || (1 < t.anisotropy || u.get(t).__currentAnisotropy) && (b.texParameterf(e, n.TEXTURE_MAX_ANISOTROPY_EXT, Math.min(t.anisotropy, r.getMaxAnisotropy())),
            u.get(t).__currentAnisotropy = t.anisotropy))
        }
        function k(e, t) {
            void 0 === e.__webglInit && (e.__webglInit = !0,
            t.addEventListener("dispose", h),
            e.__webglTexture = b.createTexture(),
            c.memory.textures++)
        }
        function B(e, t, n) {
            var i = 3553;
            t.isDataTexture2DArray && (i = 35866),
            t.isDataTexture3D && (i = 32879),
            k(e, t),
            x.activeTexture(33984 + n),
            x.bindTexture(i, e.__webglTexture),
            b.pixelStorei(37440, t.flipY),
            b.pixelStorei(37441, t.premultiplyAlpha),
            b.pixelStorei(3317, t.unpackAlignment);
            var r, n = (a = t,
            !_ && (a.wrapS !== Be || a.wrapT !== Be || a.minFilter !== Re && a.minFilter !== Oe) && !1 === T(t.image)), a = A(t.image, n, !1, v), n = T(a) || _, o = E.convert(t.format), s = E.convert(t.type), l = P(t.internalFormat, o, s);
            D(i, t, n);
            var u = t.mipmaps;
            if (t.isDepthTexture)
                l = 6402,
                _ ? l = t.type === Xe ? 36012 : t.type === We ? 33190 : t.type === Qe ? 35056 : 33189 : t.type === Xe && console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),
                t.format === rt && 6402 === l && t.type !== Ve && t.type !== We && (console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),
                t.type = Ve,
                s = E.convert(t.type)),
                t.format === at && 6402 === l && (l = 34041,
                t.type !== Qe && (console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),
                t.type = Qe,
                s = E.convert(t.type))),
                x.texImage2D(3553, 0, l, a.width, a.height, 0, o, s, null);
            else if (t.isDataTexture)
                if (0 < u.length && n) {
                    for (var c = 0, d = u.length; c < d; c++)
                        r = u[c],
                        x.texImage2D(3553, c, l, r.width, r.height, 0, o, s, r.data);
                    t.generateMipmaps = !1,
                    e.__maxMipLevel = u.length - 1
                } else
                    x.texImage2D(3553, 0, l, a.width, a.height, 0, o, s, a.data),
                    e.__maxMipLevel = 0;
            else if (t.isCompressedTexture) {
                for (var h = 0, p = u.length; h < p; h++)
                    r = u[h],
                    t.format !== et && t.format !== $e ? null !== o ? x.compressedTexImage2D(3553, h, l, r.width, r.height, 0, r.data) : console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()") : x.texImage2D(3553, h, l, r.width, r.height, 0, o, s, r.data);
                e.__maxMipLevel = u.length - 1
            } else if (t.isDataTexture2DArray)
                x.texImage3D(35866, 0, l, a.width, a.height, a.depth, 0, o, s, a.data),
                e.__maxMipLevel = 0;
            else if (t.isDataTexture3D)
                x.texImage3D(32879, 0, l, a.width, a.height, a.depth, 0, o, s, a.data),
                e.__maxMipLevel = 0;
            else if (0 < u.length && n) {
                for (var f = 0, m = u.length; f < m; f++)
                    r = u[f],
                    x.texImage2D(3553, f, l, o, s, r);
                t.generateMipmaps = !1,
                e.__maxMipLevel = u.length - 1
            } else
                x.texImage2D(3553, 0, l, o, s, a),
                e.__maxMipLevel = 0;
            S(t, n) && C(i, t, a.width, a.height),
            e.__version = t.version,
            t.onUpdate && t.onUpdate(t)
        }
        function L(e, t, n, i) {
            var r = E.convert(t.texture.format)
              , a = E.convert(t.texture.type)
              , o = P(t.texture.internalFormat, r, a);
            x.texImage2D(i, 0, o, t.width, t.height, 0, r, a, null),
            b.bindFramebuffer(36160, e),
            b.framebufferTexture2D(36160, n, i, u.get(t.texture).__webglTexture, 0),
            b.bindFramebuffer(36160, null)
        }
        function R(e, t, n) {
            var i, r, a;
            b.bindRenderbuffer(36161, e),
            t.depthBuffer && !t.stencilBuffer ? (i = 33189,
            n ? ((r = t.depthTexture) && r.isDepthTexture && (r.type === Xe ? i = 36012 : r.type === We && (i = 33190)),
            r = I(t),
            b.renderbufferStorageMultisample(36161, r, i, t.width, t.height)) : b.renderbufferStorage(36161, i, t.width, t.height),
            b.framebufferRenderbuffer(36160, 36096, 36161, e)) : t.depthBuffer && t.stencilBuffer ? (n ? (a = I(t),
            b.renderbufferStorageMultisample(36161, a, 35056, t.width, t.height)) : b.renderbufferStorage(36161, 34041, t.width, t.height),
            b.framebufferRenderbuffer(36160, 33306, 36161, e)) : (a = E.convert(t.texture.format),
            e = E.convert(t.texture.type),
            e = P(t.texture.internalFormat, a, e),
            n ? (n = I(t),
            b.renderbufferStorageMultisample(36161, n, e, t.width, t.height)) : b.renderbufferStorage(36161, e, t.width, t.height)),
            b.bindRenderbuffer(36161, null)
        }
        function F(e) {
            var t = u.get(e)
              , n = !0 === e.isWebGLCubeRenderTarget;
            if (e.depthTexture) {
                if (n)
                    throw new Error("target.depthTexture not supported in Cube render targets");
                !function(e, t) {
                    if (t && t.isWebGLCubeRenderTarget)
                        throw new Error("Depth Texture with cube render targets is not supported");
                    if (b.bindFramebuffer(36160, e),
                    !t.depthTexture || !t.depthTexture.isDepthTexture)
                        throw new Error("renderTarget.depthTexture must be an instance of THREE.DepthTexture");
                    if (u.get(t.depthTexture).__webglTexture && t.depthTexture.image.width === t.width && t.depthTexture.image.height === t.height || (t.depthTexture.image.width = t.width,
                    t.depthTexture.image.height = t.height,
                    t.depthTexture.needsUpdate = !0),
                    m(t.depthTexture, 0),
                    e = u.get(t.depthTexture).__webglTexture,
                    t.depthTexture.format === rt)
                        b.framebufferTexture2D(36160, 36096, 3553, e, 0);
                    else {
                        if (t.depthTexture.format !== at)
                            throw new Error("Unknown depthTexture format");
                        b.framebufferTexture2D(36160, 33306, 3553, e, 0)
                    }
                }(t.__webglFramebuffer, e)
            } else if (n) {
                t.__webglDepthbuffer = [];
                for (var i = 0; i < 6; i++)
                    b.bindFramebuffer(36160, t.__webglFramebuffer[i]),
                    t.__webglDepthbuffer[i] = b.createRenderbuffer(),
                    R(t.__webglDepthbuffer[i], e, !1)
            } else
                b.bindFramebuffer(36160, t.__webglFramebuffer),
                t.__webglDepthbuffer = b.createRenderbuffer(),
                R(t.__webglDepthbuffer, e, !1);
            b.bindFramebuffer(36160, null)
        }
        function I(e) {
            return _ && e.isWebGLMultisampleRenderTarget ? Math.min(n, e.samples) : 0
        }
        var O = !1
          , z = !1;
        this.allocateTextureUnit = function() {
            var e = f;
            return t <= e && console.warn("THREE.WebGLTextures: Trying to use " + e + " texture units while this GPU supports only " + t),
            f += 1,
            e
        }
        ,
        this.resetTextureUnits = function() {
            f = 0
        }
        ,
        this.setTexture2D = m,
        this.setTexture2DArray = function(e, t) {
            var n = u.get(e);
            0 < e.version && n.__version !== e.version ? B(n, e, t) : (x.activeTexture(33984 + t),
            x.bindTexture(35866, n.__webglTexture))
        }
        ,
        this.setTexture3D = function(e, t) {
            var n = u.get(e);
            0 < e.version && n.__version !== e.version ? B(n, e, t) : (x.activeTexture(33984 + t),
            x.bindTexture(32879, n.__webglTexture))
        }
        ,
        this.setTextureCube = g,
        this.setupRenderTarget = function(e) {
            var t = u.get(e)
              , n = u.get(e.texture);
            e.addEventListener("dispose", p),
            n.__webglTexture = b.createTexture(),
            c.memory.textures++;
            var i, r = !0 === e.isWebGLCubeRenderTarget, a = !0 === e.isWebGLMultisampleRenderTarget, o = T(e) || _;
            if (!_ || e.texture.format !== $e || e.texture.type !== Xe && e.texture.type !== qe || (e.texture.format = et,
            console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),
            r) {
                t.__webglFramebuffer = [];
                for (var s = 0; s < 6; s++)
                    t.__webglFramebuffer[s] = b.createFramebuffer()
            } else
                t.__webglFramebuffer = b.createFramebuffer(),
                a && (_ ? (t.__webglMultisampledFramebuffer = b.createFramebuffer(),
                t.__webglColorRenderbuffer = b.createRenderbuffer(),
                b.bindRenderbuffer(36161, t.__webglColorRenderbuffer),
                i = E.convert(e.texture.format),
                a = E.convert(e.texture.type),
                i = P(e.texture.internalFormat, i, a),
                a = I(e),
                b.renderbufferStorageMultisample(36161, a, i, e.width, e.height),
                b.bindFramebuffer(36160, t.__webglMultisampledFramebuffer),
                b.framebufferRenderbuffer(36160, 36064, 36161, t.__webglColorRenderbuffer),
                b.bindRenderbuffer(36161, null),
                e.depthBuffer && (t.__webglDepthRenderbuffer = b.createRenderbuffer(),
                R(t.__webglDepthRenderbuffer, e, !0)),
                b.bindFramebuffer(36160, null)) : console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2."));
            if (r) {
                x.bindTexture(34067, n.__webglTexture),
                D(34067, e.texture, o);
                for (var l = 0; l < 6; l++)
                    L(t.__webglFramebuffer[l], e, 36064, 34069 + l);
                S(e.texture, o) && C(34067, e.texture, e.width, e.height),
                x.bindTexture(34067, null)
            } else
                x.bindTexture(3553, n.__webglTexture),
                D(3553, e.texture, o),
                L(t.__webglFramebuffer, e, 36064, 3553),
                S(e.texture, o) && C(3553, e.texture, e.width, e.height),
                x.bindTexture(3553, null);
            e.depthBuffer && F(e)
        }
        ,
        this.updateRenderTargetMipmap = function(e) {
            var t, n, i = e.texture;
            S(i, T(e) || _) && (t = e.isWebGLCubeRenderTarget ? 34067 : 3553,
            n = u.get(i).__webglTexture,
            x.bindTexture(t, n),
            C(t, i, e.width, e.height),
            x.bindTexture(t, null))
        }
        ,
        this.updateMultisampleRenderTarget = function(e) {
            var t, n, i, r;
            e.isWebGLMultisampleRenderTarget && (_ ? (t = u.get(e),
            b.bindFramebuffer(36008, t.__webglMultisampledFramebuffer),
            b.bindFramebuffer(36009, t.__webglFramebuffer),
            n = e.width,
            i = e.height,
            r = 16384,
            e.depthBuffer && (r |= 256),
            e.stencilBuffer && (r |= 1024),
            b.blitFramebuffer(0, 0, n, i, 0, 0, n, i, r, 9728),
            b.bindFramebuffer(36160, t.__webglMultisampledFramebuffer)) : console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2."))
        }
        ,
        this.safeSetTexture2D = function(e, t) {
            e && e.isWebGLRenderTarget && (!1 === O && (console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),
            O = !0),
            e = e.texture),
            m(e, t)
        }
        ,
        this.safeSetTextureCube = function(e, t) {
            e && e.isWebGLCubeRenderTarget && (!1 === z && (console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),
            z = !0),
            e = e.texture),
            g(e, t)
        }
    }
    function ss(e, n, t) {
        var i = t.isWebGL2;
        return {
            convert: function(e) {
                var t;
                if (e === Ue)
                    return 5121;
                if (e === Je)
                    return 32819;
                if (e === Ye)
                    return 32820;
                if (e === Ze)
                    return 33635;
                if (e === Ge)
                    return 5120;
                if (e === He)
                    return 5122;
                if (e === Ve)
                    return 5123;
                if (e === je)
                    return 5124;
                if (e === We)
                    return 5125;
                if (e === Xe)
                    return 5126;
                if (e === qe)
                    return i ? 5131 : null !== (t = n.get("OES_texture_half_float")) ? t.HALF_FLOAT_OES : null;
                if (e === Ke)
                    return 6406;
                if (e === $e)
                    return 6407;
                if (e === et)
                    return 6408;
                if (e === tt)
                    return 6409;
                if (e === nt)
                    return 6410;
                if (e === rt)
                    return 6402;
                if (e === at)
                    return 34041;
                if (e === ot)
                    return 6403;
                if (e === st)
                    return 36244;
                if (e === lt)
                    return 33319;
                if (e === ut)
                    return 33320;
                if (e === ct)
                    return 36248;
                if (e === dt)
                    return 36249;
                if (e === ht || e === pt || e === ft || e === mt) {
                    if (null === (t = n.get("WEBGL_compressed_texture_s3tc")))
                        return null;
                    if (e === ht)
                        return t.COMPRESSED_RGB_S3TC_DXT1_EXT;
                    if (e === pt)
                        return t.COMPRESSED_RGBA_S3TC_DXT1_EXT;
                    if (e === ft)
                        return t.COMPRESSED_RGBA_S3TC_DXT3_EXT;
                    if (e === mt)
                        return t.COMPRESSED_RGBA_S3TC_DXT5_EXT
                }
                if (e === vt || e === gt || e === yt || e === wt) {
                    if (null === (t = n.get("WEBGL_compressed_texture_pvrtc")))
                        return null;
                    if (e === vt)
                        return t.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
                    if (e === gt)
                        return t.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
                    if (e === yt)
                        return t.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
                    if (e === wt)
                        return t.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
                }
                if (e === bt)
                    return null !== (t = n.get("WEBGL_compressed_texture_etc1")) ? t.COMPRESSED_RGB_ETC1_WEBGL : null;
                if ((e === xt || e === Et) && null !== (t = n.get("WEBGL_compressed_texture_etc"))) {
                    if (e === xt)
                        return t.COMPRESSED_RGB8_ETC2;
                    if (e === Et)
                        return t.COMPRESSED_RGBA8_ETC2_EAC
                }
                return e === _t || e === Mt || e === At || e === Tt || e === St || e === Ct || e === Pt || e === Dt || e === kt || e === Bt || e === Lt || e === Rt || e === Ft || e === It || e === zt || e === Nt || e === Ut || e === Gt || e === Ht || e === Vt || e === jt || e === Wt || e === Xt || e === qt || e === Jt || e === Yt || e === Zt || e === Qt ? null !== (t = n.get("WEBGL_compressed_texture_astc")) ? e : null : e === Ot ? null !== (t = n.get("EXT_texture_compression_bptc")) ? e : null : e === Qe ? i ? 34042 : null !== (t = n.get("WEBGL_depth_texture")) ? t.UNSIGNED_INT_24_8_WEBGL : null : void 0
            }
        }
    }
    function ls() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [];
        $r.call(this),
        this.cameras = e
    }
    function us() {
        Si.call(this),
        this.type = "Group"
    }
    function cs() {
        this._targetRay = null,
        this._grip = null,
        this._hand = null
    }
    function ds(p, t) {
        var n = this
          , f = null
          , i = 1
          , m = null
          , r = "local-floor"
          , v = null
          , g = []
          , u = new Map
          , s = new $r;
        s.layers.enable(1),
        s.viewport = new Mn;
        var l = new $r;
        l.layers.enable(2),
        l.viewport = new Mn;
        var y = [s, l]
          , w = new ls;
        w.layers.enable(1),
        w.layers.enable(2);
        var c = null
          , d = null;
        function a(e) {
            var t = u.get(e.inputSource);
            t && t.dispatchEvent({
                type: e.type,
                data: e.inputSource
            })
        }
        function o() {
            u.forEach(function(e, t) {
                e.disconnect(t)
            }),
            u.clear(),
            p.setFramebuffer(null),
            p.setRenderTarget(p.getRenderTarget()),
            A.stop(),
            n.isPresenting = !1,
            n.dispatchEvent({
                type: "sessionend"
            })
        }
        function h(e) {
            m = e,
            A.setContext(f),
            A.start(),
            n.isPresenting = !0,
            n.dispatchEvent({
                type: "sessionstart"
            })
        }
        function b(e) {
            for (var t = f.inputSources, n = 0; n < g.length; n++)
                u.set(t[n], g[n]);
            for (var i = 0; i < e.removed.length; i++) {
                var r = e.removed[i]
                  , a = u.get(r);
                a && (a.dispatchEvent({
                    type: "disconnected",
                    data: r
                }),
                u.delete(r))
            }
            for (var o = 0; o < e.added.length; o++) {
                var s = e.added[o]
                  , l = u.get(s);
                l && l.dispatchEvent({
                    type: "connected",
                    data: s
                })
            }
        }
        this.enabled = !1,
        this.isPresenting = !1,
        this.getController = function(e) {
            var t = g[e];
            return void 0 === t && (t = new cs,
            g[e] = t),
            t.getTargetRaySpace()
        }
        ,
        this.getControllerGrip = function(e) {
            var t = g[e];
            return void 0 === t && (t = new cs,
            g[e] = t),
            t.getGripSpace()
        }
        ,
        this.getHand = function(e) {
            var t = g[e];
            return void 0 === t && (t = new cs,
            g[e] = t),
            t.getHandSpace()
        }
        ,
        this.setFramebufferScaleFactor = function(e) {
            i = e,
            !0 === n.isPresenting && console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")
        }
        ,
        this.setReferenceSpaceType = function(e) {
            r = e,
            !0 === n.isPresenting && console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")
        }
        ,
        this.getReferenceSpace = function() {
            return m
        }
        ,
        this.getSession = function() {
            return f
        }
        ,
        this.setSession = function(e) {
            null !== (f = e) && (f.addEventListener("select", a),
            f.addEventListener("selectstart", a),
            f.addEventListener("selectend", a),
            f.addEventListener("squeeze", a),
            f.addEventListener("squeezestart", a),
            f.addEventListener("squeezeend", a),
            f.addEventListener("end", o),
            !0 !== (e = t.getContextAttributes()).xrCompatible && t.makeXRCompatible(),
            e = {
                antialias: e.antialias,
                alpha: e.alpha,
                depth: e.depth,
                stencil: e.stencil,
                framebufferScaleFactor: i
            },
            e = new XRWebGLLayer(f,t,e),
            f.updateRenderState({
                baseLayer: e
            }),
            f.requestReferenceSpace(r).then(h),
            f.addEventListener("inputsourceschange", b))
        }
        ;
        var x = new Cn
          , E = new Cn;
        function _(e, t) {
            null === t ? e.matrixWorld.copy(e.matrix) : e.matrixWorld.multiplyMatrices(t.matrixWorld, e.matrix),
            e.matrixWorldInverse.copy(e.matrixWorld).invert()
        }
        this.getCamera = function(e) {
            w.near = l.near = s.near = e.near,
            w.far = l.far = s.far = e.far,
            c === w.near && d === w.far || (f.updateRenderState({
                depthNear: w.near,
                depthFar: w.far
            }),
            c = w.near,
            d = w.far);
            var t = e.parent
              , n = w.cameras;
            _(w, t);
            for (var i = 0; i < n.length; i++)
                _(n[i], t);
            e.matrixWorld.copy(w.matrixWorld);
            for (var r = e.children, a = 0, o = r.length; a < o; a++)
                r[a].updateMatrixWorld(!0);
            return 2 === n.length ? function(e, t, n) {
                x.setFromMatrixPosition(t.matrixWorld),
                E.setFromMatrixPosition(n.matrixWorld);
                var i = x.distanceTo(E)
                  , r = t.projectionMatrix.elements
                  , a = n.projectionMatrix.elements
                  , o = r[14] / (r[10] - 1)
                  , s = r[14] / (r[10] + 1)
                  , l = (r[9] + 1) / r[5]
                  , u = (r[9] - 1) / r[5]
                  , c = (r[8] - 1) / r[0]
                  , n = (a[8] + 1) / a[0]
                  , r = o * c
                  , a = o * n
                  , c = (n = i / (n - c)) * -c;
                t.matrixWorld.decompose(e.position, e.quaternion, e.scale),
                e.translateX(c),
                e.translateZ(n),
                e.matrixWorld.compose(e.position, e.quaternion, e.scale),
                e.matrixWorldInverse.copy(e.matrixWorld).invert(),
                o += n,
                n = s + n,
                e.projectionMatrix.makePerspective(r - c, i - c + a, l * s / n * o, u * s / n * o, o, n)
            }(w, s, l) : w.projectionMatrix.copy(s.projectionMatrix),
            w
        }
        ;
        var M = null;
        var A = new sa;
        A.setAnimationLoop(function(e, t) {
            if (null !== (v = t.getViewerPose(m))) {
                var n = v.views
                  , i = f.renderState.baseLayer;
                p.setFramebuffer(i.framebuffer);
                var r = !1;
                n.length !== w.cameras.length && (r = !(w.cameras.length = 0));
                for (var a = 0; a < n.length; a++) {
                    var o = n[a]
                      , s = i.getViewport(o)
                      , l = y[a];
                    l.matrix.fromArray(o.transform.matrix),
                    l.projectionMatrix.fromArray(o.projectionMatrix),
                    l.viewport.set(s.x, s.y, s.width, s.height),
                    0 === a && w.matrix.copy(l.matrix),
                    !0 === r && w.cameras.push(l)
                }
            }
            for (var u = f.inputSources, c = 0; c < g.length; c++) {
                var d = g[c]
                  , h = u[c];
                d.update(h, t, m)
            }
            M && M(e, t)
        }),
        this.setAnimationLoop = function(e) {
            M = e
        }
        ,
        this.dispose = function() {}
    }
    function hs(a) {
        function l(e, t) {
            e.opacity.value = t.opacity,
            t.color && e.diffuse.value.copy(t.color),
            t.emissive && e.emissive.value.copy(t.emissive).multiplyScalar(t.emissiveIntensity),
            t.map && (e.map.value = t.map),
            t.alphaMap && (e.alphaMap.value = t.alphaMap),
            t.specularMap && (e.specularMap.value = t.specularMap);
            var n, i, r = a.get(t).envMap;
            r && (e.envMap.value = r,
            e.flipEnvMap.value = r.isCubeTexture && r._needsFlipEnvMap ? -1 : 1,
            e.reflectivity.value = t.reflectivity,
            e.refractionRatio.value = t.refractionRatio,
            void 0 !== (r = a.get(r).__maxMipLevel) && (e.maxMipLevel.value = r)),
            t.lightMap && (e.lightMap.value = t.lightMap,
            e.lightMapIntensity.value = t.lightMapIntensity),
            t.aoMap && (e.aoMap.value = t.aoMap,
            e.aoMapIntensity.value = t.aoMapIntensity),
            t.map ? n = t.map : t.specularMap ? n = t.specularMap : t.displacementMap ? n = t.displacementMap : t.normalMap ? n = t.normalMap : t.bumpMap ? n = t.bumpMap : t.roughnessMap ? n = t.roughnessMap : t.metalnessMap ? n = t.metalnessMap : t.alphaMap ? n = t.alphaMap : t.emissiveMap ? n = t.emissiveMap : t.clearcoatMap ? n = t.clearcoatMap : t.clearcoatNormalMap ? n = t.clearcoatNormalMap : t.clearcoatRoughnessMap && (n = t.clearcoatRoughnessMap),
            void 0 !== n && (!0 === (n = n.isWebGLRenderTarget ? n.texture : n).matrixAutoUpdate && n.updateMatrix(),
            e.uvTransform.value.copy(n.matrix)),
            t.aoMap ? i = t.aoMap : t.lightMap && (i = t.lightMap),
            void 0 !== i && (!0 === (i = i.isWebGLRenderTarget ? i.texture : i).matrixAutoUpdate && i.updateMatrix(),
            e.uv2Transform.value.copy(i.matrix))
        }
        function u(e, t) {
            e.roughness.value = t.roughness,
            e.metalness.value = t.metalness,
            t.roughnessMap && (e.roughnessMap.value = t.roughnessMap),
            t.metalnessMap && (e.metalnessMap.value = t.metalnessMap),
            t.emissiveMap && (e.emissiveMap.value = t.emissiveMap),
            t.bumpMap && (e.bumpMap.value = t.bumpMap,
            e.bumpScale.value = t.bumpScale,
            t.side === J && (e.bumpScale.value *= -1)),
            t.normalMap && (e.normalMap.value = t.normalMap,
            e.normalScale.value.copy(t.normalScale),
            t.side === J && e.normalScale.value.negate()),
            t.displacementMap && (e.displacementMap.value = t.displacementMap,
            e.displacementScale.value = t.displacementScale,
            e.displacementBias.value = t.displacementBias),
            a.get(t).envMap && (e.envMapIntensity.value = t.envMapIntensity)
        }
        return {
            refreshFogUniforms: function(e, t) {
                e.fogColor.value.copy(t.color),
                t.isFog ? (e.fogNear.value = t.near,
                e.fogFar.value = t.far) : t.isFogExp2 && (e.fogDensity.value = t.density)
            },
            refreshMaterialUniforms: function(e, t, n, i) {
                var r, a, o, s;
                t.isMeshBasicMaterial ? l(e, t) : t.isMeshLambertMaterial ? (l(e, t),
                o = e,
                (s = t).emissiveMap && (o.emissiveMap.value = s.emissiveMap)) : t.isMeshToonMaterial ? (l(e, t),
                function(e, t) {
                    t.gradientMap && (e.gradientMap.value = t.gradientMap);
                    t.emissiveMap && (e.emissiveMap.value = t.emissiveMap);
                    t.bumpMap && (e.bumpMap.value = t.bumpMap,
                    e.bumpScale.value = t.bumpScale,
                    t.side === J && (e.bumpScale.value *= -1));
                    t.normalMap && (e.normalMap.value = t.normalMap,
                    e.normalScale.value.copy(t.normalScale),
                    t.side === J && e.normalScale.value.negate());
                    t.displacementMap && (e.displacementMap.value = t.displacementMap,
                    e.displacementScale.value = t.displacementScale,
                    e.displacementBias.value = t.displacementBias)
                }(e, t)) : t.isMeshPhongMaterial ? (l(e, t),
                function(e, t) {
                    e.specular.value.copy(t.specular),
                    e.shininess.value = Math.max(t.shininess, 1e-4),
                    t.emissiveMap && (e.emissiveMap.value = t.emissiveMap);
                    t.bumpMap && (e.bumpMap.value = t.bumpMap,
                    e.bumpScale.value = t.bumpScale,
                    t.side === J && (e.bumpScale.value *= -1));
                    t.normalMap && (e.normalMap.value = t.normalMap,
                    e.normalScale.value.copy(t.normalScale),
                    t.side === J && e.normalScale.value.negate());
                    t.displacementMap && (e.displacementMap.value = t.displacementMap,
                    e.displacementScale.value = t.displacementScale,
                    e.displacementBias.value = t.displacementBias)
                }(e, t)) : t.isMeshStandardMaterial ? (l(e, t),
                (t.isMeshPhysicalMaterial ? function(e, t) {
                    u(e, t),
                    e.reflectivity.value = t.reflectivity,
                    e.clearcoat.value = t.clearcoat,
                    e.clearcoatRoughness.value = t.clearcoatRoughness,
                    t.sheen && e.sheen.value.copy(t.sheen);
                    t.clearcoatMap && (e.clearcoatMap.value = t.clearcoatMap);
                    t.clearcoatRoughnessMap && (e.clearcoatRoughnessMap.value = t.clearcoatRoughnessMap);
                    t.clearcoatNormalMap && (e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),
                    e.clearcoatNormalMap.value = t.clearcoatNormalMap,
                    t.side === J && e.clearcoatNormalScale.value.negate());
                    e.transmission.value = t.transmission,
                    t.transmissionMap && (e.transmissionMap.value = t.transmissionMap)
                }
                : u)(e, t)) : t.isMeshMatcapMaterial ? (l(e, t),
                function(e, t) {
                    t.matcap && (e.matcap.value = t.matcap);
                    t.bumpMap && (e.bumpMap.value = t.bumpMap,
                    e.bumpScale.value = t.bumpScale,
                    t.side === J && (e.bumpScale.value *= -1));
                    t.normalMap && (e.normalMap.value = t.normalMap,
                    e.normalScale.value.copy(t.normalScale),
                    t.side === J && e.normalScale.value.negate());
                    t.displacementMap && (e.displacementMap.value = t.displacementMap,
                    e.displacementScale.value = t.displacementScale,
                    e.displacementBias.value = t.displacementBias)
                }(e, t)) : t.isMeshDepthMaterial ? (l(e, t),
                r = e,
                (a = t).displacementMap && (r.displacementMap.value = a.displacementMap,
                r.displacementScale.value = a.displacementScale,
                r.displacementBias.value = a.displacementBias)) : t.isMeshDistanceMaterial ? (l(e, t),
                function(e, t) {
                    t.displacementMap && (e.displacementMap.value = t.displacementMap,
                    e.displacementScale.value = t.displacementScale,
                    e.displacementBias.value = t.displacementBias);
                    e.referencePosition.value.copy(t.referencePosition),
                    e.nearDistance.value = t.nearDistance,
                    e.farDistance.value = t.farDistance
                }(e, t)) : t.isMeshNormalMaterial ? (l(e, t),
                function(e, t) {
                    t.bumpMap && (e.bumpMap.value = t.bumpMap,
                    e.bumpScale.value = t.bumpScale,
                    t.side === J && (e.bumpScale.value *= -1));
                    t.normalMap && (e.normalMap.value = t.normalMap,
                    e.normalScale.value.copy(t.normalScale),
                    t.side === J && e.normalScale.value.negate());
                    t.displacementMap && (e.displacementMap.value = t.displacementMap,
                    e.displacementScale.value = t.displacementScale,
                    e.displacementBias.value = t.displacementBias)
                }(e, t)) : t.isLineBasicMaterial ? (r = t,
                (a = e).diffuse.value.copy(r.color),
                a.opacity.value = r.opacity,
                t.isLineDashedMaterial && (a = t,
                (r = e).dashSize.value = a.dashSize,
                r.totalSize.value = a.dashSize + a.gapSize,
                r.scale.value = a.scale)) : t.isPointsMaterial ? function(e, t, n, i) {
                    e.diffuse.value.copy(t.color),
                    e.opacity.value = t.opacity,
                    e.size.value = t.size * n,
                    e.scale.value = .5 * i,
                    t.map && (e.map.value = t.map);
                    t.alphaMap && (e.alphaMap.value = t.alphaMap);
                    var r;
                    t.map ? r = t.map : t.alphaMap && (r = t.alphaMap);
                    void 0 !== r && (!0 === r.matrixAutoUpdate && r.updateMatrix(),
                    e.uvTransform.value.copy(r.matrix))
                }(e, t, n, i) : t.isSpriteMaterial ? function(e, t) {
                    e.diffuse.value.copy(t.color),
                    e.opacity.value = t.opacity,
                    e.rotation.value = t.rotation,
                    t.map && (e.map.value = t.map);
                    t.alphaMap && (e.alphaMap.value = t.alphaMap);
                    var n;
                    t.map ? n = t.map : t.alphaMap && (n = t.alphaMap);
                    void 0 !== n && (!0 === n.matrixAutoUpdate && n.updateMatrix(),
                    e.uvTransform.value.copy(n.matrix))
                }(e, t) : t.isShadowMaterial ? (e.color.value.copy(t.color),
                e.opacity.value = t.opacity) : t.isShaderMaterial && (t.uniformsNeedUpdate = !1)
            }
        }
    }
    function ps(e) {
        var r = void 0 !== (e = e || {}).canvas ? e.canvas : ((c = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas")).style.display = "block",
        c)
          , t = void 0 !== e.context ? e.context : null
          , n = void 0 !== e.alpha && e.alpha
          , i = void 0 === e.depth || e.depth
          , a = void 0 === e.stencil || e.stencil
          , o = void 0 !== e.antialias && e.antialias
          , s = void 0 === e.premultipliedAlpha || e.premultipliedAlpha
          , l = void 0 !== e.preserveDrawingBuffer && e.preserveDrawingBuffer
          , u = void 0 !== e.powerPreference ? e.powerPreference : "default"
          , c = void 0 !== e.failIfMajorPerformanceCaveat && e.failIfMajorPerformanceCaveat
          , g = null
          , y = null
          , d = [];
        this.domElement = r,
        this.debug = {
            checkShaderErrors: !0
        },
        this.autoClear = !0,
        this.autoClearColor = !0,
        this.autoClearDepth = !0,
        this.autoClearStencil = !0,
        this.sortObjects = !0,
        this.clippingPlanes = [],
        this.localClippingEnabled = !1,
        this.gammaFactor = 2,
        this.outputEncoding = rn,
        this.physicallyCorrectLights = !1,
        this.toneMapping = De,
        this.toneMappingExposure = 1,
        this.maxMorphTargets = 8,
        this.maxMorphNormals = 4;
        var p = this
          , h = !1
          , f = null
          , m = 0
          , v = 0
          , w = null
          , b = null
          , x = -1
          , E = null
          , _ = new Mn
          , M = new Mn
          , A = null
          , T = r.width
          , S = r.height
          , C = 1
          , P = null
          , D = null
          , k = new Mn(0,0,T,S)
          , B = new Mn(0,0,T,S)
          , L = !1
          , R = new oa
          , F = !1
          , I = !1
          , O = new ni
          , z = new Cn
          , N = {
            background: null,
            fog: null,
            environment: null,
            overrideMaterial: null,
            isScene: !0
        };
        function U() {
            return null === w ? C : 1
        }
        var G, H, V, j, W, X, q, J, Y, Z, Q, K, $, ee, te, ne, ie, re, ae, oe, se, le = t;
        function ue(e, t) {
            for (var n = 0; n < e.length; n++) {
                var i = e[n]
                  , i = r.getContext(i, t);
                if (null !== i)
                    return i
            }
            return null
        }
        try {
            var ce = {
                alpha: n,
                depth: i,
                stencil: a,
                antialias: o,
                premultipliedAlpha: s,
                preserveDrawingBuffer: l,
                powerPreference: u,
                failIfMajorPerformanceCaveat: c
            };
            if (r.addEventListener("webglcontextlost", me, !1),
            r.addEventListener("webglcontextrestored", ve, !1),
            null === le) {
                var de = ["webgl2", "webgl", "experimental-webgl"];
                if (!0 === p.isWebGL1Renderer && de.shift(),
                null === (le = ue(de, ce)))
                    throw ue(de) ? new Error("Error creating WebGL context with your selected attributes.") : new Error("Error creating WebGL context.")
            }
            void 0 === le.getShaderPrecisionFormat && (le.getShaderPrecisionFormat = function() {
                return {
                    rangeMin: 1,
                    rangeMax: 1,
                    precision: 1
                }
            }
            )
        } catch (e) {
            throw console.error("THREE.WebGLRenderer: " + e.message),
            e
        }
        function he() {
            G = new wa(le),
            !1 === (H = new va(le,G,e)).isWebGL2 && (G.get("WEBGL_depth_texture"),
            G.get("OES_texture_float"),
            G.get("OES_texture_half_float"),
            G.get("OES_texture_half_float_linear"),
            G.get("OES_standard_derivatives"),
            G.get("OES_element_index_uint"),
            G.get("OES_vertex_array_object"),
            G.get("ANGLE_instanced_arrays")),
            G.get("OES_texture_float_linear"),
            oe = new ss(0,G,H),
            (V = new as(le,G,H)).scissor(M.copy(B).multiplyScalar(C).floor()),
            V.viewport(_.copy(k).multiplyScalar(C).floor()),
            j = new Ea,
            W = new Vo,
            X = new os(le,G,V,W,H,oe,j),
            q = new ya(p),
            J = new la(le,H),
            se = new fa(le,G,J,H),
            Y = new ba(0,J,j,se),
            Z = new Ta(0,Y,J,j),
            ie = new Aa(le),
            te = new ga(W),
            Q = new Ho(p,q,G,H,se,te),
            K = new hs(W),
            $ = new qo(W),
            ee = new $o(G,H),
            ne = new pa(p,q,V,Z,s),
            re = new ma(le,G,j,H),
            ae = new xa(le,G,j,H),
            j.programs = Q.programs,
            p.capabilities = H,
            p.extensions = G,
            p.properties = W,
            p.renderLists = $,
            p.state = V,
            p.info = j,
            p._textures = X
        }
        he();
        var pe = new ds(p,le);
        this.xr = pe;
        var fe = new rs(p,Z,H.maxTextureSize);
        function me(e) {
            e.preventDefault(),
            console.log("THREE.WebGLRenderer: Context Lost."),
            h = !0
        }
        function ve() {
            console.log("THREE.WebGLRenderer: Context Restored."),
            h = !1,
            he()
        }
        function ge(e) {
            var e = e.target;
            e.removeEventListener("dispose", ge),
            ye(e = e),
            W.remove(e)
        }
        function ye(e) {
            e = W.get(e).program;
            void 0 !== e && Q.releaseProgram(e)
        }
        this.shadowMap = fe,
        this.getContext = function() {
            return le
        }
        ,
        this.getContextAttributes = function() {
            return le.getContextAttributes()
        }
        ,
        this.forceContextLoss = function() {
            var e = G.get("WEBGL_lose_context");
            e && e.loseContext()
        }
        ,
        this.forceContextRestore = function() {
            var e = G.get("WEBGL_lose_context");
            e && e.restoreContext()
        }
        ,
        this.getPixelRatio = function() {
            return C
        }
        ,
        this.setPixelRatio = function(e) {
            void 0 !== e && (C = e,
            this.setSize(T, S, !1))
        }
        ,
        this.getSize = function(e) {
            return void 0 === e && (console.warn("WebGLRenderer: .getsize() now requires a Vector2 as an argument"),
            e = new yn),
            e.set(T, S)
        }
        ,
        this.setSize = function(e, t, n, i) {
            null != i && (C = i),
            pe.isPresenting ? console.warn("THREE.WebGLRenderer: Can't change size while VR device is presenting.") : (T = e,
            S = t,
            r.width = Math.floor(e * C),
            r.height = Math.floor(t * C),
            !1 !== n && (r.style.width = e + "px",
            r.style.height = t + "px"),
            this.setViewport(0, 0, e, t))
        }
        ,
        this.getDrawingBufferSize = function(e) {
            return void 0 === e && (console.warn("WebGLRenderer: .getdrawingBufferSize() now requires a Vector2 as an argument"),
            e = new yn),
            e.set(T * C, S * C).floor()
        }
        ,
        this.setDrawingBufferSize = function(e, t, n) {
            T = e,
            S = t,
            C = n,
            r.width = Math.floor(e * n),
            r.height = Math.floor(t * n),
            this.setViewport(0, 0, e, t)
        }
        ,
        this.getCurrentViewport = function(e) {
            return void 0 === e && (console.warn("WebGLRenderer: .getCurrentViewport() now requires a Vector4 as an argument"),
            e = new Mn),
            e.copy(_)
        }
        ,
        this.getViewport = function(e) {
            return e.copy(k)
        }
        ,
        this.setViewport = function(e, t, n, i) {
            e.isVector4 ? k.set(e.x, e.y, e.z, e.w) : k.set(e, t, n, i),
            V.viewport(_.copy(k).multiplyScalar(C).floor())
        }
        ,
        this.getScissor = function(e) {
            return e.copy(B)
        }
        ,
        this.setScissor = function(e, t, n, i) {
            e.isVector4 ? B.set(e.x, e.y, e.z, e.w) : B.set(e, t, n, i),
            V.scissor(M.copy(B).multiplyScalar(C).floor())
        }
        ,
        this.getScissorTest = function() {
            return L
        }
        ,
        this.setScissorTest = function(e) {
            V.setScissorTest(L = e)
        }
        ,
        this.setOpaqueSort = function(e) {
            P = e
        }
        ,
        this.setTransparentSort = function(e) {
            D = e
        }
        ,
        this.getClearColor = function(e) {
            return void 0 === e && (console.warn("WebGLRenderer: .getClearColor() now requires a Color as an argument"),
            e = new Yi),
            e.copy(ne.getClearColor())
        }
        ,
        this.setClearColor = function() {
            ne.setClearColor.apply(ne, arguments)
        }
        ,
        this.getClearAlpha = function() {
            return ne.getClearAlpha()
        }
        ,
        this.setClearAlpha = function() {
            ne.setClearAlpha.apply(ne, arguments)
        }
        ,
        this.clear = function(e, t, n) {
            var i = 0;
            void 0 !== e && !e || (i |= 16384),
            void 0 !== t && !t || (i |= 256),
            void 0 !== n && !n || (i |= 1024),
            le.clear(i)
        }
        ,
        this.clearColor = function() {
            this.clear(!0, !1, !1)
        }
        ,
        this.clearDepth = function() {
            this.clear(!1, !0, !1)
        }
        ,
        this.clearStencil = function() {
            this.clear(!1, !1, !0)
        }
        ,
        this.dispose = function() {
            r.removeEventListener("webglcontextlost", me, !1),
            r.removeEventListener("webglcontextrestored", ve, !1),
            $.dispose(),
            ee.dispose(),
            W.dispose(),
            q.dispose(),
            Z.dispose(),
            se.dispose(),
            pe.dispose(),
            be.stop()
        }
        ,
        this.renderBufferImmediate = function(e, t) {
            se.initAttributes();
            var n = W.get(e);
            e.hasPositions && !n.position && (n.position = le.createBuffer()),
            e.hasNormals && !n.normal && (n.normal = le.createBuffer()),
            e.hasUvs && !n.uv && (n.uv = le.createBuffer()),
            e.hasColors && !n.color && (n.color = le.createBuffer());
            t = t.getAttributes();
            e.hasPositions && (le.bindBuffer(34962, n.position),
            le.bufferData(34962, e.positionArray, 35048),
            se.enableAttribute(t.position),
            le.vertexAttribPointer(t.position, 3, 5126, !1, 0, 0)),
            e.hasNormals && (le.bindBuffer(34962, n.normal),
            le.bufferData(34962, e.normalArray, 35048),
            se.enableAttribute(t.normal),
            le.vertexAttribPointer(t.normal, 3, 5126, !1, 0, 0)),
            e.hasUvs && (le.bindBuffer(34962, n.uv),
            le.bufferData(34962, e.uvArray, 35048),
            se.enableAttribute(t.uv),
            le.vertexAttribPointer(t.uv, 2, 5126, !1, 0, 0)),
            e.hasColors && (le.bindBuffer(34962, n.color),
            le.bufferData(34962, e.colorArray, 35048),
            se.enableAttribute(t.color),
            le.vertexAttribPointer(t.color, 3, 5126, !1, 0, 0)),
            se.disableUnusedAttributes(),
            le.drawArrays(4, 0, e.count),
            e.count = 0
        }
        ,
        this.renderBufferDirect = function(e, t, n, i, r, a) {
            null === t && (t = N);
            var o = r.isMesh && r.matrixWorld.determinant() < 0
              , s = Me(e, t, i, r);
            V.setMaterial(i, o);
            var l = n.index
              , e = n.attributes.position;
            if (null === l) {
                if (void 0 === e || 0 === e.count)
                    return
            } else if (0 === l.count)
                return;
            t = 1;
            !0 === i.wireframe && (l = Y.getWireframeAttribute(n),
            t = 2),
            (i.morphTargets || i.morphNormals) && ie.update(r, n, i, s),
            se.setup(r, i, s, n, l);
            o = re;
            null !== l && (u = J.get(l),
            (o = ae).setIndex(u));
            var s = (null !== l ? l : e).count
              , u = n.drawRange.start * t
              , l = n.drawRange.count * t
              , e = null !== a ? a.start * t : 0
              , a = null !== a ? a.count * t : 1 / 0
              , t = Math.max(u, e)
              , a = Math.min(s, u + l, e + a) - 1
              , a = Math.max(0, a - t + 1);
            0 !== a && (r.isMesh ? !0 === i.wireframe ? (V.setlineWidth(i.wireframelineWidth * U()),
            o.setMode(1)) : o.setMode(4) : r.isLine ? (i = i.lineWidth,
            V.setlineWidth((i = void 0 === i ? 1 : i) * U()),
            r.isLineSegments ? o.setMode(1) : r.isLineLoop ? o.setMode(2) : o.setMode(3)) : r.isPoints ? o.setMode(0) : r.isSprite && o.setMode(4),
            r.isInstancedMesh ? o.renderInstances(t, a, r.count) : n.isInstancedBufferGeometry ? (n = Math.min(n.instanceCount, n._maxInstanceCount),
            o.renderInstances(t, a, n)) : o.render(t, a))
        }
        ,
        this.compile = function(r, t) {
            (y = ee.get(r)).init(),
            r.traverseVisible(function(e) {
                e.isLight && e.layers.test(t.layers) && (y.pushLight(e),
                e.castShadow && y.pushShadow(e))
            }),
            y.setupLights();
            var a = new WeakMap;
            r.traverse(function(e) {
                var t = e.material;
                if (t)
                    if (Array.isArray(t))
                        for (var n = 0; n < t.length; n++) {
                            var i = t[n];
                            !1 === a.has(i) && (_e(i, r, e),
                            a.set(i))
                        }
                    else
                        !1 === a.has(t) && (_e(t, r, e),
                        a.set(t))
            })
        }
        ;
        var we = null;
        var be = new sa;
        function xe(e, t, n) {
            for (var i = !0 === t.isScene ? t.overrideMaterial : null, r = 0, a = e.length; r < a; r++) {
                var o = e[r]
                  , s = o.object
                  , l = o.geometry
                  , u = null === i ? o.material : i
                  , c = o.group;
                if (n.isArrayCamera)
                    for (var d = n.cameras, h = 0, p = d.length; h < p; h++) {
                        var f = d[h];
                        s.layers.test(f.layers) && (V.viewport(_.copy(f.viewport)),
                        y.setupLightsView(f),
                        Ee(s, t, f, l, u, c))
                    }
                else
                    Ee(s, t, n, l, u, c)
            }
        }
        function Ee(e, t, n, i, r, a) {
            var o, s;
            e.onBeforeRender(p, t, n, i, r, a),
            e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse, e.matrixWorld),
            e.normalMatrix.getNormalMatrix(e.modelViewMatrix),
            e.isImmediateRenderObject ? (o = Me(n, t, r, e),
            V.setMaterial(r),
            se.reset(),
            s = o,
            e.render(function(e) {
                p.renderBufferImmediate(e, s)
            })) : p.renderBufferDirect(n, t, i, r, e, a),
            e.onAfterRender(p, t, n, i, r, a)
        }
        function _e(e, t, n) {
            !0 !== t.isScene && (t = N);
            var i = W.get(e)
              , r = y.state.lights
              , a = y.state.shadowsArray
              , o = r.state.version
              , s = Q.getParameters(e, r.state, a, t, n)
              , l = Q.getProgramCacheKey(s)
              , u = i.program
              , a = !0;
            if (void 0 === u)
                e.addEventListener("dispose", ge);
            else if (u.cacheKey !== l)
                ye(e);
            else if (i.lightsStateVersion !== o)
                a = !1;
            else {
                if (void 0 !== s.shaderID) {
                    n = e.isMeshStandardMaterial ? t.environment : null;
                    return void (i.envMap = q.get(e.envMap || n))
                }
                a = !1
            }
            a && (s.uniforms = Q.getUniforms(e),
            e.onBeforeCompile(s, p),
            u = Q.acquireProgram(s, l),
            i.program = u,
            i.uniforms = s.uniforms,
            i.outputEncoding = s.outputEncoding);
            s = i.uniforms;
            (e.isShaderMaterial || e.isRawShaderMaterial) && !0 !== e.clipping || (i.numClippingPlanes = te.numPlanes,
            i.numIntersection = te.numIntersection,
            s.clippingPlanes = te.uniform),
            i.environment = e.isMeshStandardMaterial ? t.environment : null,
            i.fog = t.fog,
            i.envMap = q.get(e.envMap || i.environment),
            i.needsLights = (e = e).isMeshLambertMaterial || e.isMeshToonMaterial || e.isMeshPhongMaterial || e.isMeshStandardMaterial || e.isShadowMaterial || e.isShaderMaterial && !0 === e.lights,
            i.lightsStateVersion = o,
            i.needsLights && (s.ambientLightColor.value = r.state.ambient,
            s.lightProbe.value = r.state.probe,
            s.directionalLights.value = r.state.directional,
            s.directionalLightShadows.value = r.state.directionalShadow,
            s.spotLights.value = r.state.spot,
            s.spotLightShadows.value = r.state.spotShadow,
            s.rectAreaLights.value = r.state.rectArea,
            s.ltc_1.value = r.state.rectAreaLTC1,
            s.ltc_2.value = r.state.rectAreaLTC2,
            s.pointLights.value = r.state.point,
            s.pointLightShadows.value = r.state.pointShadow,
            s.hemisphereLights.value = r.state.hemi,
            s.directionalShadowMap.value = r.state.directionalShadowMap,
            s.directionalShadowMatrix.value = r.state.directionalShadowMatrix,
            s.spotShadowMap.value = r.state.spotShadowMap,
            s.spotShadowMatrix.value = r.state.spotShadowMatrix,
            s.pointShadowMap.value = r.state.pointShadowMap,
            s.pointShadowMatrix.value = r.state.pointShadowMatrix);
            r = i.program.getUniforms(),
            s = _o.seqWithValue(r.seq, s);
            i.uniformsList = s
        }
        function Me(e, t, n, i) {
            !0 !== t.isScene && (t = N),
            X.resetTextureUnits();
            var r = t.fog
              , a = n.isMeshStandardMaterial ? t.environment : null
              , o = null === w ? p.outputEncoding : w.texture.encoding
              , s = q.get(n.envMap || a)
              , l = W.get(n)
              , u = y.state.lights;
            !0 === F && (!0 !== I && e === E || (h = e === E && n.id === x,
            te.setState(n, e, h))),
            n.version === l.__version ? (n.fog && l.fog !== r || l.environment !== a || l.needsLights && l.lightsStateVersion !== u.state.version || void 0 !== l.numClippingPlanes && (l.numClippingPlanes !== te.numPlanes || l.numIntersection !== te.numIntersection) || l.outputEncoding !== o || l.envMap !== s) && _e(n, t, i) : (_e(n, t, i),
            l.__version = n.version);
            var c, d = !1, h = !1, a = !1, u = l.program, o = u.getUniforms(), s = l.uniforms;
            return V.useProgram(u.program) && (a = h = d = !0),
            n.id !== x && (x = n.id,
            h = !0),
            !d && E === e || (o.setValue(le, "projectionMatrix", e.projectionMatrix),
            H.logarithmicDepthBuffer && o.setValue(le, "logDepthBufFC", 2 / (Math.log(e.far + 1) / Math.LN2)),
            E !== e && (E = e,
            a = h = !0),
            !(n.isShaderMaterial || n.isMeshPhongMaterial || n.isMeshToonMaterial || n.isMeshStandardMaterial || n.envMap) || void 0 !== (c = o.map.cameraPosition) && c.setValue(le, z.setFromMatrixPosition(e.matrixWorld)),
            (n.isMeshPhongMaterial || n.isMeshToonMaterial || n.isMeshLambertMaterial || n.isMeshBasicMaterial || n.isMeshStandardMaterial || n.isShaderMaterial) && o.setValue(le, "isOrthographic", !0 === e.isOrthographicCamera),
            (n.isMeshPhongMaterial || n.isMeshToonMaterial || n.isMeshLambertMaterial || n.isMeshBasicMaterial || n.isMeshStandardMaterial || n.isShaderMaterial || n.isShadowMaterial || n.skinning) && o.setValue(le, "viewMatrix", e.matrixWorldInverse)),
            n.skinning && (o.setOptional(le, i, "bindMatrix"),
            o.setOptional(le, i, "bindMatrixInverse"),
            (t = i.skeleton) && (d = t.bones,
            H.floatVertexTextures ? (null === t.boneTexture && (c = Math.sqrt(4 * d.length),
            c = gn.ceilPowerOfTwo(c),
            c = Math.max(c, 4),
            (e = new Float32Array(c * c * 4)).set(t.boneMatrices),
            d = new ia(e,c,c,et,Xe),
            t.boneMatrices = e,
            t.boneTexture = d,
            t.boneTextureSize = c),
            o.setValue(le, "boneTexture", t.boneTexture, X),
            o.setValue(le, "boneTextureSize", t.boneTextureSize)) : o.setOptional(le, t, "boneMatrices"))),
            !h && l.receiveShadow === i.receiveShadow || (l.receiveShadow = i.receiveShadow,
            o.setValue(le, "receiveShadow", i.receiveShadow)),
            h && (o.setValue(le, "toneMappingExposure", p.toneMappingExposure),
            l.needsLights && (h = a,
            (a = s).ambientLightColor.needsUpdate = h,
            a.lightProbe.needsUpdate = h,
            a.directionalLights.needsUpdate = h,
            a.directionalLightShadows.needsUpdate = h,
            a.pointLights.needsUpdate = h,
            a.pointLightShadows.needsUpdate = h,
            a.spotLights.needsUpdate = h,
            a.spotLightShadows.needsUpdate = h,
            a.rectAreaLights.needsUpdate = h,
            a.hemisphereLights.needsUpdate = h),
            r && n.fog && K.refreshFogUniforms(s, r),
            K.refreshMaterialUniforms(s, n, C, S),
            _o.upload(le, l.uniformsList, s, X)),
            n.isShaderMaterial && !0 === n.uniformsNeedUpdate && (_o.upload(le, l.uniformsList, s, X),
            n.uniformsNeedUpdate = !1),
            n.isSpriteMaterial && o.setValue(le, "center", i.center),
            o.setValue(le, "modelViewMatrix", i.modelViewMatrix),
            o.setValue(le, "normalMatrix", i.normalMatrix),
            o.setValue(le, "modelMatrix", i.matrixWorld),
            u
        }
        be.setAnimationLoop(function(e) {
            pe.isPresenting || we && we(e)
        }),
        "undefined" != typeof window && be.setContext(window),
        this.setAnimationLoop = function(e) {
            we = e,
            pe.setAnimationLoop(e),
            null === e ? be.stop() : be.start()
        }
        ,
        this.render = function(e, t) {
            var n, i, r;
            void 0 !== arguments[2] && (console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),
            i = arguments[2]),
            void 0 !== arguments[3] && (console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),
            r = arguments[3]),
            void 0 === t || !0 === t.isCamera ? !0 !== h && (se.resetDefaultState(),
            x = -1,
            !(E = null) === e.autoUpdate && e.updateMatrixWorld(),
            null === t.parent && t.updateMatrixWorld(),
            !0 === pe.enabled && !0 === pe.isPresenting && (t = pe.getCamera(t)),
            !0 === e.isScene && e.onBeforeRender(p, e, t, i || w),
            (y = ee.get(e, d.length)).init(),
            d.push(y),
            O.multiplyMatrices(t.projectionMatrix, t.matrixWorldInverse),
            R.setFromProjectionMatrix(O),
            I = this.localClippingEnabled,
            F = te.init(this.clippingPlanes, I, t),
            (g = $.get(e, t)).init(),
            function e(t, n, i, r) {
                if (!1 === t.visible)
                    return;
                var a = t.layers.test(n.layers);
                if (a)
                    if (t.isGroup)
                        i = t.renderOrder;
                    else if (t.isLOD)
                        !0 === t.autoUpdate && t.update(n);
                    else if (t.isLight)
                        y.pushLight(t),
                        t.castShadow && y.pushShadow(t);
                    else if (t.isSprite) {
                        var o;
                        t.frustumCulled && !R.intersectsSprite(t) || (r && z.setFromMatrixPosition(t.matrixWorld).applyMatrix4(O),
                        o = Z.update(t),
                        (a = t.material).visible && g.push(t, o, a, i, z.z, null))
                    } else if (t.isImmediateRenderObject)
                        r && z.setFromMatrixPosition(t.matrixWorld).applyMatrix4(O),
                        g.push(t, null, t.material, i, z.z, null);
                    else if ((t.isMesh || t.isLine || t.isPoints) && (t.isSkinnedMesh && t.skeleton.frame !== j.render.frame && (t.skeleton.update(),
                    t.skeleton.frame = j.render.frame),
                    !t.frustumCulled || R.intersectsObject(t))) {
                        r && z.setFromMatrixPosition(t.matrixWorld).applyMatrix4(O);
                        var s = Z.update(t)
                          , l = t.material;
                        if (Array.isArray(l))
                            for (var u = s.groups, c = 0, d = u.length; c < d; c++) {
                                var h = u[c]
                                  , p = l[h.materialIndex];
                                p && p.visible && g.push(t, s, p, i, z.z, h)
                            }
                        else
                            l.visible && g.push(t, s, l, i, z.z, null)
                    }
                var f = t.children;
                for (var m = 0, v = f.length; m < v; m++)
                    e(f[m], n, i, r)
            }(e, t, 0, p.sortObjects),
            g.finish(),
            !0 === p.sortObjects && g.sort(P, D),
            !0 === F && te.beginShadows(),
            n = y.state.shadowsArray,
            fe.render(n, e, t),
            y.setupLights(),
            y.setupLightsView(t),
            !0 === F && te.endShadows(),
            !0 === this.info.autoReset && this.info.reset(),
            void 0 !== i && this.setRenderTarget(i),
            ne.render(g, e, t, r),
            i = g.opaque,
            r = g.transparent,
            0 < i.length && xe(i, e, t),
            0 < r.length && xe(r, e, t),
            !0 === e.isScene && e.onAfterRender(p, e, t),
            null !== w && (X.updateRenderTargetMipmap(w),
            X.updateMultisampleRenderTarget(w)),
            V.buffers.depth.setTest(!0),
            V.buffers.depth.setMask(!0),
            V.buffers.color.setMask(!0),
            V.setPolygonOffset(!1),
            d.pop(),
            y = 0 < d.length ? d[d.length - 1] : null,
            g = null) : console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")
        }
        ,
        this.setFramebuffer = function(e) {
            f !== e && null === w && le.bindFramebuffer(36160, e),
            f = e
        }
        ,
        this.getActiveCubeFace = function() {
            return m
        }
        ,
        this.getActiveMipmapLevel = function() {
            return v
        }
        ,
        this.getRenderList = function() {
            return g
        }
        ,
        this.setRenderList = function(e) {
            g = e
        }
        ,
        this.getRenderTarget = function() {
            return w
        }
        ,
        this.setRenderTarget = function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0;
            m = t,
            v = n,
            (w = e) && void 0 === W.get(e).__webglFramebuffer && X.setupRenderTarget(e);
            var i, r = f, a = !1;
            A = e ? (i = W.get(e).__webglFramebuffer,
            e.isWebGLCubeRenderTarget ? (r = i[t],
            a = !0) : r = e.isWebGLMultisampleRenderTarget ? W.get(e).__webglMultisampledFramebuffer : i,
            _.copy(e.viewport),
            M.copy(e.scissor),
            e.scissorTest) : (_.copy(k).multiplyScalar(C).floor(),
            M.copy(B).multiplyScalar(C).floor(),
            L),
            b !== r && (le.bindFramebuffer(36160, r),
            b = r),
            V.viewport(_),
            V.scissor(M),
            V.setScissorTest(A),
            a && (e = W.get(e.texture),
            le.framebufferTexture2D(36160, 36064, 34069 + t, e.__webglTexture, n))
        }
        ,
        this.readRenderTargetPixels = function(e, t, n, i, r, a, o) {
            if (e && e.isWebGLRenderTarget) {
                var s = W.get(e).__webglFramebuffer;
                if (s = e.isWebGLCubeRenderTarget && void 0 !== o ? s[o] : s) {
                    o = !1;
                    s !== b && (le.bindFramebuffer(36160, s),
                    o = !0);
                    try {
                        var l = e.texture
                          , u = l.format
                          , c = l.type;
                        if (u !== et && oe.convert(u) !== le.getParameter(35739))
                            return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");
                        if (!(c === Ue || oe.convert(c) === le.getParameter(35738) || c === Xe && (H.isWebGL2 || G.get("OES_texture_float") || G.get("WEBGL_color_buffer_float")) || c === qe && (H.isWebGL2 ? G.get("EXT_color_buffer_float") : G.get("EXT_color_buffer_half_float"))))
                            return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");
                        36053 === le.checkFramebufferStatus(36160) ? 0 <= t && t <= e.width - i && 0 <= n && n <= e.height - r && le.readPixels(t, n, i, r, oe.convert(u), oe.convert(c), a) : console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")
                    } finally {
                        o && le.bindFramebuffer(36160, b)
                    }
                }
            } else
                console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")
        }
        ,
        this.copyFramebufferToTexture = function(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
              , i = Math.pow(2, -n)
              , r = Math.floor(t.image.width * i)
              , a = Math.floor(t.image.height * i)
              , i = oe.convert(t.format);
            X.setTexture2D(t, 0),
            le.copyTexImage2D(3553, n, i, e.x, e.y, r, a, 0),
            V.unbindTexture()
        }
        ,
        this.copyTextureToTexture = function(e, t, n) {
            var i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0
              , r = t.image.width
              , a = t.image.height
              , o = oe.convert(n.format)
              , s = oe.convert(n.type);
            X.setTexture2D(n, 0),
            le.pixelStorei(37440, n.flipY),
            le.pixelStorei(37441, n.premultiplyAlpha),
            le.pixelStorei(3317, n.unpackAlignment),
            t.isDataTexture ? le.texSubImage2D(3553, i, e.x, e.y, r, a, o, s, t.image.data) : t.isCompressedTexture ? le.compressedTexSubImage2D(3553, i, e.x, e.y, t.mipmaps[0].width, t.mipmaps[0].height, o, t.mipmaps[0].data) : le.texSubImage2D(3553, i, e.x, e.y, o, s, t.image),
            0 === i && n.generateMipmaps && le.generateMipmap(3553),
            V.unbindTexture()
        }
        ,
        this.initTexture = function(e) {
            X.setTexture2D(e, 0),
            V.unbindTexture()
        }
        ,
        this.resetState = function() {
            V.reset(),
            se.reset()
        }
        ,
        "undefined" != typeof __THREE_DEVTOOLS__ && __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{
            detail: this
        }))
    }
    function fs(e) {
        ps.call(this, e)
    }
    ls.prototype = Object.assign(Object.create($r.prototype), {
        constructor: ls,
        isArrayCamera: !0
    }),
    us.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: us,
        isGroup: !0
    }),
    Object.assign(cs.prototype, {
        constructor: cs,
        getHandSpace: function() {
            if (null === this._hand && (this._hand = new us,
            this._hand.matrixAutoUpdate = !1,
            this._hand.visible = !1,
            this._hand.joints = [],
            this._hand.inputState = {
                pinching: !1
            },
            window.XRHand))
                for (var e = 0; e <= window.XRHand.LITTLE_PHALANX_TIP; e++) {
                    var t = new us;
                    t.matrixAutoUpdate = !1,
                    t.visible = !1,
                    this._hand.joints.push(t),
                    this._hand.add(t)
                }
            return this._hand
        },
        getTargetRaySpace: function() {
            return null === this._targetRay && (this._targetRay = new us,
            this._targetRay.matrixAutoUpdate = !1,
            this._targetRay.visible = !1),
            this._targetRay
        },
        getGripSpace: function() {
            return null === this._grip && (this._grip = new us,
            this._grip.matrixAutoUpdate = !1,
            this._grip.visible = !1),
            this._grip
        },
        dispatchEvent: function(e) {
            return null !== this._targetRay && this._targetRay.dispatchEvent(e),
            null !== this._grip && this._grip.dispatchEvent(e),
            null !== this._hand && this._hand.dispatchEvent(e),
            this
        },
        disconnect: function(e) {
            return this.dispatchEvent({
                type: "disconnected",
                data: e
            }),
            null !== this._targetRay && (this._targetRay.visible = !1),
            null !== this._grip && (this._grip.visible = !1),
            null !== this._hand && (this._hand.visible = !1),
            this
        },
        update: function(e, t, n) {
            var i = null
              , r = null
              , a = null
              , o = this._targetRay
              , s = this._grip
              , l = this._hand;
            if (e && "visible-blurred" !== t.session.visibilityState)
                if (l && e.hand)
                    for (var u, c, a = !0, d = 0; d <= window.XRHand.LITTLE_PHALANX_TIP; d++)
                        e.hand[d] && (c = t.getJointPose(e.hand[d], n),
                        u = l.joints[d],
                        null !== c && (u.matrix.fromArray(c.transform.matrix),
                        u.matrix.decompose(u.position, u.rotation, u.scale),
                        u.jointRadius = c.radius),
                        u.visible = null !== c,
                        u = l.joints[window.XRHand.INDEX_PHALANX_TIP],
                        c = l.joints[window.XRHand.THUMB_PHALANX_TIP],
                        c = u.position.distanceTo(c.position),
                        l.inputState.pinching && .025 < c ? (l.inputState.pinching = !1,
                        this.dispatchEvent({
                            type: "pinchend",
                            handedness: e.handedness,
                            target: this
                        })) : !l.inputState.pinching && c <= .015 && (l.inputState.pinching = !0,
                        this.dispatchEvent({
                            type: "pinchstart",
                            handedness: e.handedness,
                            target: this
                        })));
                else
                    null !== o && null !== (i = t.getPose(e.targetRaySpace, n)) && (o.matrix.fromArray(i.transform.matrix),
                    o.matrix.decompose(o.position, o.rotation, o.scale)),
                    null !== s && e.gripSpace && null !== (r = t.getPose(e.gripSpace, n)) && (s.matrix.fromArray(r.transform.matrix),
                    s.matrix.decompose(s.position, s.rotation, s.scale));
            return null !== o && (o.visible = null !== i),
            null !== s && (s.visible = null !== r),
            null !== l && (l.visible = null !== a),
            this
        }
    }),
    Object.assign(ds.prototype, hn.prototype),
    fs.prototype = Object.assign(Object.create(ps.prototype), {
        constructor: fs,
        isWebGL1Renderer: !0
    });
    var ms = function() {
        function n(e, t) {
            O(this, n),
            Object.defineProperty(this, "isFogExp2", {
                value: !0
            }),
            this.name = "",
            this.color = new Yi(e),
            this.density = void 0 !== t ? t : 25e-5
        }
        return h(n, [{
            key: "clone",
            value: function() {
                return new n(this.color,this.density)
            }
        }, {
            key: "toJSON",
            value: function() {
                return {
                    type: "FogExp2",
                    color: this.color.getHex(),
                    density: this.density
                }
            }
        }]),
        n
    }()
      , vs = function() {
        function i(e, t, n) {
            O(this, i),
            Object.defineProperty(this, "isFog", {
                value: !0
            }),
            this.name = "",
            this.color = new Yi(e),
            this.near = void 0 !== t ? t : 1,
            this.far = void 0 !== n ? n : 1e3
        }
        return h(i, [{
            key: "clone",
            value: function() {
                return new i(this.color,this.near,this.far)
            }
        }, {
            key: "toJSON",
            value: function() {
                return {
                    type: "Fog",
                    color: this.color.getHex(),
                    near: this.near,
                    far: this.far
                }
            }
        }]),
        i
    }()
      , gs = function() {
        y(n, Si);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            e = t.call(this),
            Object.defineProperty(g(e), "isScene", {
                value: !0
            }),
            e.type = "Scene",
            e.background = null,
            e.environment = null,
            e.fog = null,
            e.overrideMaterial = null,
            e.autoUpdate = !0,
            "undefined" != typeof __THREE_DEVTOOLS__ && __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{
                detail: g(e)
            })),
            e
        }
        return h(n, [{
            key: "copy",
            value: function(e, t) {
                return b(v(n.prototype), "copy", this).call(this, e, t),
                null !== e.background && (this.background = e.background.clone()),
                null !== e.environment && (this.environment = e.environment.clone()),
                null !== e.fog && (this.fog = e.fog.clone()),
                null !== e.overrideMaterial && (this.overrideMaterial = e.overrideMaterial.clone()),
                this.autoUpdate = e.autoUpdate,
                this.matrixAutoUpdate = e.matrixAutoUpdate,
                this
            }
        }, {
            key: "toJSON",
            value: function(e) {
                var t = b(v(n.prototype), "toJSON", this).call(this, e);
                return null !== this.background && (t.object.background = this.background.toJSON(e)),
                null !== this.environment && (t.object.environment = this.environment.toJSON(e)),
                null !== this.fog && (t.object.fog = this.fog.toJSON()),
                t
            }
        }]),
        n
    }();
    function ys(e, t) {
        this.array = e,
        this.stride = t,
        this.count = void 0 !== e ? e.length / t : 0,
        this.usage = un,
        this.updateRange = {
            offset: 0,
            count: -1
        },
        this.version = 0,
        this.uuid = gn.generateUUID()
    }
    Object.defineProperty(ys.prototype, "needsUpdate", {
        set: function(e) {
            !0 === e && this.version++
        }
    }),
    Object.assign(ys.prototype, {
        isInterleavedBuffer: !0,
        onUploadCallback: function() {},
        setUsage: function(e) {
            return this.usage = e,
            this
        },
        copy: function(e) {
            return this.array = new e.array.constructor(e.array),
            this.count = e.count,
            this.stride = e.stride,
            this.usage = e.usage,
            this
        },
        copyAt: function(e, t, n) {
            e *= this.stride,
            n *= t.stride;
            for (var i = 0, r = this.stride; i < r; i++)
                this.array[e + i] = t.array[n + i];
            return this
        },
        set: function(e) {
            return this.array.set(e, 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0),
            this
        },
        clone: function(e) {
            void 0 === e.arrayBuffers && (e.arrayBuffers = {}),
            void 0 === this.array.buffer._uuid && (this.array.buffer._uuid = gn.generateUUID()),
            void 0 === e.arrayBuffers[this.array.buffer._uuid] && (e.arrayBuffers[this.array.buffer._uuid] = this.array.slice(0).buffer);
            e = new ys(new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),this.stride);
            return e.setUsage(this.usage),
            e
        },
        onUpload: function(e) {
            return this.onUploadCallback = e,
            this
        },
        toJSON: function(e) {
            return void 0 === e.arrayBuffers && (e.arrayBuffers = {}),
            void 0 === this.array.buffer._uuid && (this.array.buffer._uuid = gn.generateUUID()),
            void 0 === e.arrayBuffers[this.array.buffer._uuid] && (e.arrayBuffers[this.array.buffer._uuid] = Array.prototype.slice.call(new Uint32Array(this.array.buffer))),
            {
                uuid: this.uuid,
                buffer: this.array.buffer._uuid,
                type: this.array.constructor.name,
                stride: this.stride
            }
        }
    });
    var ws, bs = new Cn;
    function xs(e, t, n, i) {
        this.name = "",
        this.data = e,
        this.itemSize = t,
        this.offset = n,
        this.normalized = !0 === i
    }
    function Es(e) {
        Ki.call(this),
        this.type = "SpriteMaterial",
        this.color = new Yi(16777215),
        this.map = null,
        this.alphaMap = null,
        this.rotation = 0,
        this.sizeAttenuation = !0,
        this.transparent = !0,
        this.setValues(e)
    }
    Object.defineProperties(xs.prototype, {
        count: {
            get: function() {
                return this.data.count
            }
        },
        array: {
            get: function() {
                return this.data.array
            }
        },
        needsUpdate: {
            set: function(e) {
                this.data.needsUpdate = e
            }
        }
    }),
    Object.assign(xs.prototype, {
        isInterleavedBufferAttribute: !0,
        applyMatrix4: function(e) {
            for (var t = 0, n = this.data.count; t < n; t++)
                bs.x = this.getX(t),
                bs.y = this.getY(t),
                bs.z = this.getZ(t),
                bs.applyMatrix4(e),
                this.setXYZ(t, bs.x, bs.y, bs.z);
            return this
        },
        setX: function(e, t) {
            return this.data.array[e * this.data.stride + this.offset] = t,
            this
        },
        setY: function(e, t) {
            return this.data.array[e * this.data.stride + this.offset + 1] = t,
            this
        },
        setZ: function(e, t) {
            return this.data.array[e * this.data.stride + this.offset + 2] = t,
            this
        },
        setW: function(e, t) {
            return this.data.array[e * this.data.stride + this.offset + 3] = t,
            this
        },
        getX: function(e) {
            return this.data.array[e * this.data.stride + this.offset]
        },
        getY: function(e) {
            return this.data.array[e * this.data.stride + this.offset + 1]
        },
        getZ: function(e) {
            return this.data.array[e * this.data.stride + this.offset + 2]
        },
        getW: function(e) {
            return this.data.array[e * this.data.stride + this.offset + 3]
        },
        setXY: function(e, t, n) {
            return e = e * this.data.stride + this.offset,
            this.data.array[e + 0] = t,
            this.data.array[e + 1] = n,
            this
        },
        setXYZ: function(e, t, n, i) {
            return e = e * this.data.stride + this.offset,
            this.data.array[e + 0] = t,
            this.data.array[e + 1] = n,
            this.data.array[e + 2] = i,
            this
        },
        setXYZW: function(e, t, n, i, r) {
            return e = e * this.data.stride + this.offset,
            this.data.array[e + 0] = t,
            this.data.array[e + 1] = n,
            this.data.array[e + 2] = i,
            this.data.array[e + 3] = r,
            this
        },
        clone: function(e) {
            if (void 0 !== e)
                return void 0 === e.interleavedBuffers && (e.interleavedBuffers = {}),
                void 0 === e.interleavedBuffers[this.data.uuid] && (e.interleavedBuffers[this.data.uuid] = this.data.clone(e)),
                new xs(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized);
            console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");
            for (var t = [], n = 0; n < this.count; n++)
                for (var i = n * this.data.stride + this.offset, r = 0; r < this.itemSize; r++)
                    t.push(this.data.array[i + r]);
            return new nr(new this.array.constructor(t),this.itemSize,this.normalized)
        },
        toJSON: function(e) {
            if (void 0 !== e)
                return void 0 === e.interleavedBuffers && (e.interleavedBuffers = {}),
                void 0 === e.interleavedBuffers[this.data.uuid] && (e.interleavedBuffers[this.data.uuid] = this.data.toJSON(e)),
                {
                    isInterleavedBufferAttribute: !0,
                    itemSize: this.itemSize,
                    data: this.data.uuid,
                    offset: this.offset,
                    normalized: this.normalized
                };
            console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");
            for (var t = [], n = 0; n < this.count; n++)
                for (var i = n * this.data.stride + this.offset, r = 0; r < this.itemSize; r++)
                    t.push(this.data.array[i + r]);
            return {
                itemSize: this.itemSize,
                type: this.array.constructor.name,
                array: t,
                normalized: this.normalized
            }
        }
    }),
    ((Es.prototype = Object.create(Ki.prototype)).constructor = Es).prototype.isSpriteMaterial = !0,
    Es.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.map = e.map,
        this.alphaMap = e.alphaMap,
        this.rotation = e.rotation,
        this.sizeAttenuation = e.sizeAttenuation,
        this
    }
    ;
    var _s = new Cn
      , Ms = new Cn
      , As = new Cn
      , Ts = new yn
      , Ss = new yn
      , Cs = new ni
      , Ps = new Cn
      , Ds = new Cn
      , ks = new Cn
      , Bs = new yn
      , Ls = new yn
      , Rs = new yn;
    function Fs(e) {
        var t;
        Si.call(this),
        this.type = "Sprite",
        void 0 === ws && (ws = new Mr,
        t = new ys(new Float32Array([-.5, -.5, 0, 0, 0, .5, -.5, 0, 1, 0, .5, .5, 0, 1, 1, -.5, .5, 0, 0, 1]),5),
        ws.setIndex([0, 1, 2, 0, 2, 3]),
        ws.setAttribute("position", new xs(t,3,0,!1)),
        ws.setAttribute("uv", new xs(t,2,3,!1))),
        this.geometry = ws,
        this.material = void 0 !== e ? e : new Es,
        this.center = new yn(.5,.5)
    }
    function Is(e, t, n, i, r, a) {
        Ts.subVectors(e, n).addScalar(.5).multiply(i),
        void 0 !== r ? (Ss.x = a * Ts.x - r * Ts.y,
        Ss.y = r * Ts.x + a * Ts.y) : Ss.copy(Ts),
        e.copy(t),
        e.x += Ss.x,
        e.y += Ss.y,
        e.applyMatrix4(Cs)
    }
    Fs.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: Fs,
        isSprite: !0,
        raycast: function(e, t) {
            null === e.camera && console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),
            Ms.setFromMatrixScale(this.matrixWorld),
            Cs.copy(e.camera.matrixWorld),
            this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse, this.matrixWorld),
            As.setFromMatrixPosition(this.modelViewMatrix),
            e.camera.isPerspectiveCamera && !1 === this.material.sizeAttenuation && Ms.multiplyScalar(-As.z);
            var n, i = this.material.rotation;
            0 !== i && (r = Math.cos(i),
            n = Math.sin(i));
            var r, i = this.center;
            Is(Ps.set(-.5, -.5, 0), As, i, Ms, n, r),
            Is(Ds.set(.5, -.5, 0), As, i, Ms, n, r),
            Is(ks.set(.5, .5, 0), As, i, Ms, n, r),
            Bs.set(0, 0),
            Ls.set(1, 0),
            Rs.set(1, 1),
            null === e.ray.intersectTriangle(Ps, Ds, ks, !1, _s) && (Is(Ds.set(-.5, .5, 0), As, i, Ms, n, r),
            Ls.set(0, 1),
            null === e.ray.intersectTriangle(Ps, ks, Ds, !1, _s)) || ((r = e.ray.origin.distanceTo(_s)) < e.near || r > e.far || t.push({
                distance: r,
                point: _s.clone(),
                uv: Hi.getUV(_s, Ps, Ds, ks, Bs, Ls, Rs, new yn),
                face: null,
                object: this
            }))
        },
        copy: function(e) {
            return Si.prototype.copy.call(this, e),
            void 0 !== e.center && this.center.copy(e.center),
            this.material = e.material,
            this
        }
    });
    var Os = new Cn
      , zs = new Cn;
    function Ns() {
        Si.call(this),
        this._currentLevel = 0,
        this.type = "LOD",
        Object.defineProperties(this, {
            levels: {
                enumerable: !0,
                value: []
            }
        }),
        this.autoUpdate = !0
    }
    Ns.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: Ns,
        isLOD: !0,
        copy: function(e) {
            Si.prototype.copy.call(this, e, !1);
            for (var t = e.levels, n = 0, i = t.length; n < i; n++) {
                var r = t[n];
                this.addLevel(r.object.clone(), r.distance)
            }
            return this.autoUpdate = e.autoUpdate,
            this
        },
        addLevel: function(e) {
            for (var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, t = Math.abs(t), n = this.levels, i = 0; i < n.length && !(t < n[i].distance); i++)
                ;
            return n.splice(i, 0, {
                distance: t,
                object: e
            }),
            this.add(e),
            this
        },
        getCurrentLevel: function() {
            return this._currentLevel
        },
        getObjectForDistance: function(e) {
            var t = this.levels;
            if (0 < t.length) {
                for (var n = 1, i = t.length; n < i && !(e < t[n].distance); n++)
                    ;
                return t[n - 1].object
            }
            return null
        },
        raycast: function(e, t) {
            var n;
            0 < this.levels.length && (Os.setFromMatrixPosition(this.matrixWorld),
            n = e.ray.origin.distanceTo(Os),
            this.getObjectForDistance(n).raycast(e, t))
        },
        update: function(e) {
            var t = this.levels;
            if (1 < t.length) {
                Os.setFromMatrixPosition(e.matrixWorld),
                zs.setFromMatrixPosition(this.matrixWorld);
                var n, i, r = Os.distanceTo(zs) / e.zoom;
                for (t[0].object.visible = !0,
                n = 1,
                i = t.length; n < i && r >= t[n].distance; n++)
                    t[n - 1].object.visible = !1,
                    t[n].object.visible = !0;
                for (this._currentLevel = n - 1; n < i; n++)
                    t[n].object.visible = !1
            }
        },
        toJSON: function(e) {
            var t = Si.prototype.toJSON.call(this, e);
            !1 === this.autoUpdate && (t.object.autoUpdate = !1),
            t.object.levels = [];
            for (var n = this.levels, i = 0, r = n.length; i < r; i++) {
                var a = n[i];
                t.object.levels.push({
                    object: a.object.uuid,
                    distance: a.distance
                })
            }
            return t
        }
    });
    var Us = new Cn
      , Gs = new Mn
      , Hs = new Mn
      , Vs = new Cn
      , js = new ni;
    function Ws(e, t) {
        e && e.isGeometry && console.error("THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),
        Hr.call(this, e, t),
        this.type = "SkinnedMesh",
        this.bindMode = "attached",
        this.bindMatrix = new ni,
        this.bindMatrixInverse = new ni
    }
    function Xs() {
        Si.call(this),
        this.type = "Bone"
    }
    Ws.prototype = Object.assign(Object.create(Hr.prototype), {
        constructor: Ws,
        isSkinnedMesh: !0,
        copy: function(e) {
            return Hr.prototype.copy.call(this, e),
            this.bindMode = e.bindMode,
            this.bindMatrix.copy(e.bindMatrix),
            this.bindMatrixInverse.copy(e.bindMatrixInverse),
            this.skeleton = e.skeleton,
            this
        },
        bind: function(e, t) {
            this.skeleton = e,
            void 0 === t && (this.updateMatrixWorld(!0),
            this.skeleton.calculateInverses(),
            t = this.matrixWorld),
            this.bindMatrix.copy(t),
            this.bindMatrixInverse.copy(t).invert()
        },
        pose: function() {
            this.skeleton.pose()
        },
        normalizeSkinWeights: function() {
            for (var e = new Mn, t = this.geometry.attributes.skinWeight, n = 0, i = t.count; n < i; n++) {
                e.x = t.getX(n),
                e.y = t.getY(n),
                e.z = t.getZ(n),
                e.w = t.getW(n);
                var r = 1 / e.manhattanLength();
                r != 1 / 0 ? e.multiplyScalar(r) : e.set(1, 0, 0, 0),
                t.setXYZW(n, e.x, e.y, e.z, e.w)
            }
        },
        updateMatrixWorld: function(e) {
            Hr.prototype.updateMatrixWorld.call(this, e),
            "attached" === this.bindMode ? this.bindMatrixInverse.copy(this.matrixWorld).invert() : "detached" === this.bindMode ? this.bindMatrixInverse.copy(this.bindMatrix).invert() : console.warn("THREE.SkinnedMesh: Unrecognized bindMode: " + this.bindMode)
        },
        boneTransform: function(e, t) {
            var n = this.skeleton
              , i = this.geometry;
            Gs.fromBufferAttribute(i.attributes.skinIndex, e),
            Hs.fromBufferAttribute(i.attributes.skinWeight, e),
            Us.fromBufferAttribute(i.attributes.position, e).applyMatrix4(this.bindMatrix),
            t.set(0, 0, 0);
            for (var r = 0; r < 4; r++) {
                var a, o = Hs.getComponent(r);
                0 !== o && (a = Gs.getComponent(r),
                js.multiplyMatrices(n.bones[a].matrixWorld, n.boneInverses[a]),
                t.addScaledVector(Vs.copy(Us).applyMatrix4(js), o))
            }
            return t.applyMatrix4(this.bindMatrixInverse)
        }
    }),
    Xs.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: Xs,
        isBone: !0
    });
    var qs = new ni
      , Js = new ni;
    function Ys() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : [];
        this.uuid = gn.generateUUID(),
        this.bones = e.slice(0),
        this.boneInverses = t,
        this.boneMatrices = null,
        this.boneTexture = null,
        this.boneTextureSize = 0,
        this.frame = -1,
        this.init()
    }
    Object.assign(Ys.prototype, {
        init: function() {
            var e = this.bones
              , t = this.boneInverses;
            if (this.boneMatrices = new Float32Array(16 * e.length),
            0 === t.length)
                this.calculateInverses();
            else if (e.length !== t.length) {
                console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),
                this.boneInverses = [];
                for (var n = 0, i = this.bones.length; n < i; n++)
                    this.boneInverses.push(new ni)
            }
        },
        calculateInverses: function() {
            for (var e = this.boneInverses.length = 0, t = this.bones.length; e < t; e++) {
                var n = new ni;
                this.bones[e] && n.copy(this.bones[e].matrixWorld).invert(),
                this.boneInverses.push(n)
            }
        },
        pose: function() {
            for (var e = 0, t = this.bones.length; e < t; e++) {
                var n = this.bones[e];
                n && n.matrixWorld.copy(this.boneInverses[e]).invert()
            }
            for (var i = 0, r = this.bones.length; i < r; i++) {
                var a = this.bones[i];
                a && (a.parent && a.parent.isBone ? (a.matrix.copy(a.parent.matrixWorld).invert(),
                a.matrix.multiply(a.matrixWorld)) : a.matrix.copy(a.matrixWorld),
                a.matrix.decompose(a.position, a.quaternion, a.scale))
            }
        },
        update: function() {
            for (var e = this.bones, t = this.boneInverses, n = this.boneMatrices, i = this.boneTexture, r = 0, a = e.length; r < a; r++) {
                var o = e[r] ? e[r].matrixWorld : Js;
                qs.multiplyMatrices(o, t[r]),
                qs.toArray(n, 16 * r)
            }
            null !== i && (i.needsUpdate = !0)
        },
        clone: function() {
            return new Ys(this.bones,this.boneInverses)
        },
        getBoneByName: function(e) {
            for (var t = 0, n = this.bones.length; t < n; t++) {
                var i = this.bones[t];
                if (i.name === e)
                    return i
            }
        },
        dispose: function() {
            null !== this.boneTexture && (this.boneTexture.dispose(),
            this.boneTexture = null)
        },
        fromJSON: function(e, t) {
            this.uuid = e.uuid;
            for (var n = 0, i = e.bones.length; n < i; n++) {
                var r = e.bones[n]
                  , a = t[r];
                void 0 === a && (console.warn("THREE.Skeleton: No bone found with UUID:", r),
                a = new Xs),
                this.bones.push(a),
                this.boneInverses.push((new ni).fromArray(e.boneInverses[n]))
            }
            return this.init(),
            this
        },
        toJSON: function() {
            var e = {
                metadata: {
                    version: 4.5,
                    type: "Skeleton",
                    generator: "Skeleton.toJSON"
                },
                bones: [],
                boneInverses: []
            };
            e.uuid = this.uuid;
            for (var t = this.bones, n = this.boneInverses, i = 0, r = t.length; i < r; i++) {
                var a = t[i];
                e.bones.push(a.uuid);
                a = n[i];
                e.boneInverses.push(a.toArray())
            }
            return e
        }
    });
    var Zs = new ni
      , Qs = new ni
      , Ks = []
      , $s = new Hr;
    function el(e, t, n) {
        Hr.call(this, e, t),
        this.instanceMatrix = new nr(new Float32Array(16 * n),16),
        this.instanceColor = null,
        this.count = n,
        this.frustumCulled = !1
    }
    function tl(e) {
        Ki.call(this),
        this.type = "LineBasicMaterial",
        this.color = new Yi(16777215),
        this.lineWidth = 1,
        this.linecap = "round",
        this.linejoin = "round",
        this.morphTargets = !1,
        this.setValues(e)
    }
    el.prototype = Object.assign(Object.create(Hr.prototype), {
        constructor: el,
        isInstancedMesh: !0,
        copy: function(e) {
            return Hr.prototype.copy.call(this, e),
            this.instanceMatrix.copy(e.instanceMatrix),
            this.count = e.count,
            this
        },
        getColorAt: function(e, t) {
            t.fromArray(this.instanceColor.array, 3 * e)
        },
        getMatrixAt: function(e, t) {
            t.fromArray(this.instanceMatrix.array, 16 * e)
        },
        raycast: function(e, t) {
            var n = this.matrixWorld
              , i = this.count;
            if ($s.geometry = this.geometry,
            $s.material = this.material,
            void 0 !== $s.material)
                for (var r = 0; r < i; r++) {
                    this.getMatrixAt(r, Zs),
                    Qs.multiplyMatrices(n, Zs),
                    $s.matrixWorld = Qs,
                    $s.raycast(e, Ks);
                    for (var a = 0, o = Ks.length; a < o; a++) {
                        var s = Ks[a];
                        s.instanceId = r,
                        s.object = this,
                        t.push(s)
                    }
                    Ks.length = 0
                }
        },
        setColorAt: function(e, t) {
            null === this.instanceColor && (this.instanceColor = new nr(new Float32Array(3 * this.count),3)),
            t.toArray(this.instanceColor.array, 3 * e)
        },
        setMatrixAt: function(e, t) {
            t.toArray(this.instanceMatrix.array, 16 * e)
        },
        updateMorphTargets: function() {},
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        }
    }),
    ((tl.prototype = Object.create(Ki.prototype)).constructor = tl).prototype.isLineBasicMaterial = !0,
    tl.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.lineWidth = e.lineWidth,
        this.linecap = e.linecap,
        this.linejoin = e.linejoin,
        this.morphTargets = e.morphTargets,
        this
    }
    ;
    var nl = new Cn
      , il = new Cn
      , rl = new ni
      , al = new ti
      , ol = new qn;
    function sl() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Mr
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new tl;
        Si.call(this),
        this.type = "Line",
        this.geometry = e,
        this.material = t,
        this.updateMorphTargets()
    }
    sl.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: sl,
        isLine: !0,
        copy: function(e) {
            return Si.prototype.copy.call(this, e),
            this.material = e.material,
            this.geometry = e.geometry,
            this
        },
        computeLineDistances: function() {
            var e = this.geometry;
            if (e.isBufferGeometry)
                if (null === e.index) {
                    for (var t = e.attributes.position, n = [0], i = 1, r = t.count; i < r; i++)
                        nl.fromBufferAttribute(t, i - 1),
                        il.fromBufferAttribute(t, i),
                        n[i] = n[i - 1],
                        n[i] += nl.distanceTo(il);
                    e.setAttribute("lineDistance", new dr(n,1))
                } else
                    console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");
            else if (e.isGeometry) {
                var a = e.vertices
                  , o = e.lineDistances;
                o[0] = 0;
                for (var s = 1, l = a.length; s < l; s++)
                    o[s] = o[s - 1],
                    o[s] += a[s - 1].distanceTo(a[s])
            }
            return this
        },
        raycast: function(e, t) {
            var n = this.geometry
              , i = this.matrixWorld
              , r = e.params.Line.threshold;
            if (null === n.boundingSphere && n.computeBoundingSphere(),
            ol.copy(n.boundingSphere),
            ol.applyMatrix4(i),
            ol.radius += r,
            !1 !== e.ray.intersectsSphere(ol)) {
                rl.copy(i).invert(),
                al.copy(e.ray).applyMatrix4(rl);
                var r = r / ((this.scale.x + this.scale.y + this.scale.z) / 3)
                  , a = r * r
                  , o = new Cn
                  , s = new Cn
                  , l = new Cn
                  , u = new Cn
                  , c = this.isLineSegments ? 2 : 1;
                if (n.isBufferGeometry) {
                    var r = n.index
                      , d = n.attributes.position;
                    if (null !== r)
                        for (var h = r.array, p = 0, f = h.length - 1; p < f; p += c) {
                            var m = h[p]
                              , v = h[p + 1];
                            o.fromBufferAttribute(d, m),
                            s.fromBufferAttribute(d, v),
                            a < al.distanceSqToSegment(o, s, u, l) || (u.applyMatrix4(this.matrixWorld),
                            (v = e.ray.origin.distanceTo(u)) < e.near || v > e.far || t.push({
                                distance: v,
                                point: l.clone().applyMatrix4(this.matrixWorld),
                                index: p,
                                face: null,
                                faceIndex: null,
                                object: this
                            }))
                        }
                    else
                        for (var g, y = 0, w = d.count - 1; y < w; y += c)
                            o.fromBufferAttribute(d, y),
                            s.fromBufferAttribute(d, y + 1),
                            a < al.distanceSqToSegment(o, s, u, l) || (u.applyMatrix4(this.matrixWorld),
                            (g = e.ray.origin.distanceTo(u)) < e.near || g > e.far || t.push({
                                distance: g,
                                point: l.clone().applyMatrix4(this.matrixWorld),
                                index: y,
                                face: null,
                                faceIndex: null,
                                object: this
                            }))
                } else if (n.isGeometry)
                    for (var b, x = n.vertices, E = x.length, _ = 0; _ < E - 1; _ += c)
                        a < al.distanceSqToSegment(x[_], x[_ + 1], u, l) || (u.applyMatrix4(this.matrixWorld),
                        (b = e.ray.origin.distanceTo(u)) < e.near || b > e.far || t.push({
                            distance: b,
                            point: l.clone().applyMatrix4(this.matrixWorld),
                            index: _,
                            face: null,
                            faceIndex: null,
                            object: this
                        }))
            }
        },
        updateMorphTargets: function() {
            var e = this.geometry;
            if (e.isBufferGeometry) {
                var t = e.morphAttributes
                  , n = Object.keys(t);
                if (0 < n.length) {
                    var i = t[n[0]];
                    if (void 0 !== i) {
                        this.morphTargetInfluences = [],
                        this.morphTargetDictionary = {};
                        for (var r = 0, a = i.length; r < a; r++) {
                            var o = i[r].name || String(r);
                            this.morphTargetInfluences.push(0),
                            this.morphTargetDictionary[o] = r
                        }
                    }
                }
            } else {
                e = e.morphTargets;
                void 0 !== e && 0 < e.length && console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")
            }
        }
    });
    var ll = new Cn
      , ul = new Cn;
    function cl(e, t) {
        sl.call(this, e, t),
        this.type = "LineSegments"
    }
    function dl(e, t) {
        sl.call(this, e, t),
        this.type = "LineLoop"
    }
    function hl(e) {
        Ki.call(this),
        this.type = "PointsMaterial",
        this.color = new Yi(16777215),
        this.map = null,
        this.alphaMap = null,
        this.size = 1,
        this.sizeAttenuation = !0,
        this.morphTargets = !1,
        this.setValues(e)
    }
    cl.prototype = Object.assign(Object.create(sl.prototype), {
        constructor: cl,
        isLineSegments: !0,
        computeLineDistances: function() {
            var e = this.geometry;
            if (e.isBufferGeometry)
                if (null === e.index) {
                    for (var t = e.attributes.position, n = [], i = 0, r = t.count; i < r; i += 2)
                        ll.fromBufferAttribute(t, i),
                        ul.fromBufferAttribute(t, i + 1),
                        n[i] = 0 === i ? 0 : n[i - 1],
                        n[i + 1] = n[i] + ll.distanceTo(ul);
                    e.setAttribute("lineDistance", new dr(n,1))
                } else
                    console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");
            else if (e.isGeometry)
                for (var a = e.vertices, o = e.lineDistances, s = 0, l = a.length; s < l; s += 2)
                    ll.copy(a[s]),
                    ul.copy(a[s + 1]),
                    o[s] = 0 === s ? 0 : o[s - 1],
                    o[s + 1] = o[s] + ll.distanceTo(ul);
            return this
        }
    }),
    dl.prototype = Object.assign(Object.create(sl.prototype), {
        constructor: dl,
        isLineLoop: !0
    }),
    ((hl.prototype = Object.create(Ki.prototype)).constructor = hl).prototype.isPointsMaterial = !0,
    hl.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.map = e.map,
        this.alphaMap = e.alphaMap,
        this.size = e.size,
        this.sizeAttenuation = e.sizeAttenuation,
        this.morphTargets = e.morphTargets,
        this
    }
    ;
    var pl = new ni
      , fl = new ti
      , ml = new qn
      , vl = new Cn;
    function gl() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Mr
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new hl;
        Si.call(this),
        this.type = "Points",
        this.geometry = e,
        this.material = t,
        this.updateMorphTargets()
    }
    function yl(e, t, n, i, r, a, o) {
        var s = fl.distanceSqToPoint(e);
        s < n && (n = new Cn,
        fl.closestPointToPoint(e, n),
        n.applyMatrix4(i),
        (i = r.ray.origin.distanceTo(n)) < r.near || i > r.far || a.push({
            distance: i,
            distanceToRay: Math.sqrt(s),
            point: n,
            index: t,
            face: null,
            object: o
        }))
    }
    function wl(t, e, n, i, r, a, o, s, l) {
        En.call(this, t, e, n, i, r, a, o, s, l),
        this.format = void 0 !== o ? o : $e,
        this.minFilter = void 0 !== a ? a : Oe,
        this.magFilter = void 0 !== r ? r : Oe,
        this.generateMipmaps = !1;
        var u = this;
        "requestVideoFrameCallback"in t && t.requestVideoFrameCallback(function e() {
            u.needsUpdate = !0,
            t.requestVideoFrameCallback(e)
        })
    }
    function bl(e, t, n, i, r, a, o, s, l, u, c, d) {
        En.call(this, null, a, o, s, l, u, i, r, c, d),
        this.image = {
            width: t,
            height: n
        },
        this.mipmaps = e,
        this.flipY = !1,
        this.generateMipmaps = !1
    }
    function xl(e, t, n, i, r, a, o, s, l) {
        En.call(this, e, t, n, i, r, a, o, s, l),
        this.needsUpdate = !0
    }
    function El(e, t, n, i, r, a, o, s, l, u) {
        if ((u = void 0 !== u ? u : rt) !== rt && u !== at)
            throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");
        En.call(this, null, i, r, a, o, s, u, n = void 0 === (n = void 0 === n && u === rt ? Ve : n) && u === at ? Qe : n, l),
        this.image = {
            width: e,
            height: t
        },
        this.magFilter = void 0 !== o ? o : Re,
        this.minFilter = void 0 !== s ? s : Re,
        this.flipY = !1,
        this.generateMipmaps = !1
    }
    gl.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: gl,
        isPoints: !0,
        copy: function(e) {
            return Si.prototype.copy.call(this, e),
            this.material = e.material,
            this.geometry = e.geometry,
            this
        },
        raycast: function(e, t) {
            var n = this.geometry
              , i = this.matrixWorld
              , r = e.params.Points.threshold;
            if (null === n.boundingSphere && n.computeBoundingSphere(),
            ml.copy(n.boundingSphere),
            ml.applyMatrix4(i),
            ml.radius += r,
            !1 !== e.ray.intersectsSphere(ml)) {
                pl.copy(i).invert(),
                fl.copy(e.ray).applyMatrix4(pl);
                var r = r / ((this.scale.x + this.scale.y + this.scale.z) / 3)
                  , a = r * r;
                if (n.isBufferGeometry) {
                    var r = n.index
                      , o = n.attributes.position;
                    if (null !== r)
                        for (var s = r.array, l = 0, u = s.length; l < u; l++) {
                            var c = s[l];
                            vl.fromBufferAttribute(o, c),
                            yl(vl, c, a, i, e, t, this)
                        }
                    else
                        for (var d = 0, h = o.count; d < h; d++)
                            vl.fromBufferAttribute(o, d),
                            yl(vl, d, a, i, e, t, this)
                } else
                    for (var p = n.vertices, f = 0, m = p.length; f < m; f++)
                        yl(p[f], f, a, i, e, t, this)
            }
        },
        updateMorphTargets: function() {
            var e = this.geometry;
            if (e.isBufferGeometry) {
                var t = e.morphAttributes
                  , n = Object.keys(t);
                if (0 < n.length) {
                    var i = t[n[0]];
                    if (void 0 !== i) {
                        this.morphTargetInfluences = [],
                        this.morphTargetDictionary = {};
                        for (var r = 0, a = i.length; r < a; r++) {
                            var o = i[r].name || String(r);
                            this.morphTargetInfluences.push(0),
                            this.morphTargetDictionary[o] = r
                        }
                    }
                }
            } else {
                e = e.morphTargets;
                void 0 !== e && 0 < e.length && console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")
            }
        }
    }),
    wl.prototype = Object.assign(Object.create(En.prototype), {
        constructor: wl,
        clone: function() {
            return new this.constructor(this.image).copy(this)
        },
        isVideoTexture: !0,
        update: function() {
            var e = this.image;
            !1 == "requestVideoFrameCallback"in e && e.readyState >= e.HAVE_CURRENT_DATA && (this.needsUpdate = !0)
        }
    }),
    ((bl.prototype = Object.create(En.prototype)).constructor = bl).prototype.isCompressedTexture = !0,
    ((xl.prototype = Object.create(En.prototype)).constructor = xl).prototype.isCanvasTexture = !0,
    ((El.prototype = Object.create(En.prototype)).constructor = El).prototype.isDepthTexture = !0;
    var _l = 0
      , Ml = new ni
      , Al = new Si
      , Tl = new Cn;
    function Sl() {
        Object.defineProperty(this, "id", {
            value: _l += 2
        }),
        this.uuid = gn.generateUUID(),
        this.name = "",
        this.type = "Geometry",
        this.vertices = [],
        this.colors = [],
        this.faces = [],
        this.faceVertexUvs = [[]],
        this.morphTargets = [],
        this.morphNormals = [],
        this.skinWeights = [],
        this.skinIndices = [],
        this.lineDistances = [],
        this.boundingBox = null,
        this.boundingSphere = null,
        this.elementsNeedUpdate = !1,
        this.verticesNeedUpdate = !1,
        this.uvsNeedUpdate = !1,
        this.normalsNeedUpdate = !1,
        this.colorsNeedUpdate = !1,
        this.lineDistancesNeedUpdate = !1,
        this.groupsNeedUpdate = !1
    }
    Sl.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: Sl,
        isGeometry: !0,
        applyMatrix4: function(e) {
            for (var t = (new wn).getNormalMatrix(e), n = 0, i = this.vertices.length; n < i; n++)
                this.vertices[n].applyMatrix4(e);
            for (var r = 0, a = this.faces.length; r < a; r++) {
                var o = this.faces[r];
                o.normal.applyMatrix3(t).normalize();
                for (var s = 0, l = o.vertexNormals.length; s < l; s++)
                    o.vertexNormals[s].applyMatrix3(t).normalize()
            }
            return null !== this.boundingBox && this.computeBoundingBox(),
            null !== this.boundingSphere && this.computeBoundingSphere(),
            this.verticesNeedUpdate = !0,
            this.normalsNeedUpdate = !0,
            this
        },
        rotateX: function(e) {
            return Ml.makeRotationX(e),
            this.applyMatrix4(Ml),
            this
        },
        rotateY: function(e) {
            return Ml.makeRotationY(e),
            this.applyMatrix4(Ml),
            this
        },
        rotateZ: function(e) {
            return Ml.makeRotationZ(e),
            this.applyMatrix4(Ml),
            this
        },
        translate: function(e, t, n) {
            return Ml.makeTranslation(e, t, n),
            this.applyMatrix4(Ml),
            this
        },
        scale: function(e, t, n) {
            return Ml.makeScale(e, t, n),
            this.applyMatrix4(Ml),
            this
        },
        lookAt: function(e) {
            return Al.lookAt(e),
            Al.updateMatrix(),
            this.applyMatrix4(Al.matrix),
            this
        },
        fromBufferGeometry: function(e) {
            var o = this
              , t = null !== e.index ? e.index : void 0
              , n = e.attributes;
            if (void 0 === n.position)
                return console.error("THREE.Geometry.fromBufferGeometry(): Position attribute required for conversion."),
                this;
            var i = n.position
              , s = n.normal
              , l = n.color
              , u = n.uv
              , c = n.uv2;
            void 0 !== c && (this.faceVertexUvs[1] = []);
            for (var r = 0; r < i.count; r++)
                o.vertices.push((new Cn).fromBufferAttribute(i, r)),
                void 0 !== l && o.colors.push((new Yi).fromBufferAttribute(l, r));
            function a(e, t, n, i) {
                var r = void 0 === l ? [] : [o.colors[e].clone(), o.colors[t].clone(), o.colors[n].clone()]
                  , a = void 0 === s ? [] : [(new Cn).fromBufferAttribute(s, e), (new Cn).fromBufferAttribute(s, t), (new Cn).fromBufferAttribute(s, n)]
                  , i = new Zi(e,t,n,a,r,i);
                o.faces.push(i),
                void 0 !== u && o.faceVertexUvs[0].push([(new yn).fromBufferAttribute(u, e), (new yn).fromBufferAttribute(u, t), (new yn).fromBufferAttribute(u, n)]),
                void 0 !== c && o.faceVertexUvs[1].push([(new yn).fromBufferAttribute(c, e), (new yn).fromBufferAttribute(c, t), (new yn).fromBufferAttribute(c, n)])
            }
            var d = e.groups;
            if (0 < d.length)
                for (var h = 0; h < d.length; h++)
                    for (var p = d[h], f = p.start, m = f, v = f + p.count; m < v; m += 3)
                        void 0 !== t ? a(t.getX(m), t.getX(m + 1), t.getX(m + 2), p.materialIndex) : a(m, m + 1, m + 2, p.materialIndex);
            else if (void 0 !== t)
                for (var g = 0; g < t.count; g += 3)
                    a(t.getX(g), t.getX(g + 1), t.getX(g + 2));
            else
                for (var y = 0; y < i.count; y += 3)
                    a(y, y + 1, y + 2);
            return this.computeFaceNormals(),
            null !== e.boundingBox && (this.boundingBox = e.boundingBox.clone()),
            null !== e.boundingSphere && (this.boundingSphere = e.boundingSphere.clone()),
            this
        },
        center: function() {
            return this.computeBoundingBox(),
            this.boundingBox.getCenter(Tl).negate(),
            this.translate(Tl.x, Tl.y, Tl.z),
            this
        },
        normalize: function() {
            this.computeBoundingSphere();
            var e = this.boundingSphere.center
              , t = this.boundingSphere.radius
              , n = 0 === t ? 1 : 1 / t
              , t = new ni;
            return t.set(n, 0, 0, -n * e.x, 0, n, 0, -n * e.y, 0, 0, n, -n * e.z, 0, 0, 0, 1),
            this.applyMatrix4(t),
            this
        },
        computeFaceNormals: function() {
            for (var e = new Cn, t = new Cn, n = 0, i = this.faces.length; n < i; n++) {
                var r = this.faces[n]
                  , a = this.vertices[r.a]
                  , o = this.vertices[r.b]
                  , s = this.vertices[r.c];
                e.subVectors(s, o),
                t.subVectors(a, o),
                e.cross(t),
                e.normalize(),
                r.normal.copy(e)
            }
        },
        computeVertexNormals: function() {
            for (var e = !(0 < arguments.length && void 0 !== arguments[0]) || arguments[0], t = new Array(this.vertices.length), n = 0, i = this.vertices.length; n < i; n++)
                t[n] = new Cn;
            if (e)
                for (var r = new Cn, a = new Cn, o = 0, s = this.faces.length; o < s; o++) {
                    var l = this.faces[o]
                      , u = this.vertices[l.a]
                      , c = this.vertices[l.b]
                      , d = this.vertices[l.c];
                    r.subVectors(d, c),
                    a.subVectors(u, c),
                    r.cross(a),
                    t[l.a].add(r),
                    t[l.b].add(r),
                    t[l.c].add(r)
                }
            else {
                this.computeFaceNormals();
                for (var h = 0, p = this.faces.length; h < p; h++) {
                    var f = this.faces[h];
                    t[f.a].add(f.normal),
                    t[f.b].add(f.normal),
                    t[f.c].add(f.normal)
                }
            }
            for (var m = 0, v = this.vertices.length; m < v; m++)
                t[m].normalize();
            for (var g = 0, y = this.faces.length; g < y; g++) {
                var w = this.faces[g]
                  , b = w.vertexNormals;
                3 === b.length ? (b[0].copy(t[w.a]),
                b[1].copy(t[w.b]),
                b[2].copy(t[w.c])) : (b[0] = t[w.a].clone(),
                b[1] = t[w.b].clone(),
                b[2] = t[w.c].clone())
            }
            0 < this.faces.length && (this.normalsNeedUpdate = !0)
        },
        computeFlatVertexNormals: function() {
            this.computeFaceNormals();
            for (var e = 0, t = this.faces.length; e < t; e++) {
                var n = this.faces[e]
                  , i = n.vertexNormals;
                3 === i.length ? (i[0].copy(n.normal),
                i[1].copy(n.normal),
                i[2].copy(n.normal)) : (i[0] = n.normal.clone(),
                i[1] = n.normal.clone(),
                i[2] = n.normal.clone())
            }
            0 < this.faces.length && (this.normalsNeedUpdate = !0)
        },
        computeMorphNormals: function() {
            for (var e = 0, t = this.faces.length; e < t; e++) {
                var n = this.faces[e];
                n.__originalFaceNormal ? n.__originalFaceNormal.copy(n.normal) : n.__originalFaceNormal = n.normal.clone(),
                n.__originalVertexNormals || (n.__originalVertexNormals = []);
                for (var i = 0, r = n.vertexNormals.length; i < r; i++)
                    n.__originalVertexNormals[i] ? n.__originalVertexNormals[i].copy(n.vertexNormals[i]) : n.__originalVertexNormals[i] = n.vertexNormals[i].clone()
            }
            var a = new Sl;
            a.faces = this.faces;
            for (var o = 0, s = this.morphTargets.length; o < s; o++) {
                if (!this.morphNormals[o]) {
                    this.morphNormals[o] = {},
                    this.morphNormals[o].faceNormals = [],
                    this.morphNormals[o].vertexNormals = [];
                    for (var l = this.morphNormals[o].faceNormals, u = this.morphNormals[o].vertexNormals, c = 0, d = this.faces.length; c < d; c++) {
                        var h = new Cn
                          , p = {
                            a: new Cn,
                            b: new Cn,
                            c: new Cn
                        };
                        l.push(h),
                        u.push(p)
                    }
                }
                var f = this.morphNormals[o];
                a.vertices = this.morphTargets[o].vertices,
                a.computeFaceNormals(),
                a.computeVertexNormals();
                for (var m = 0, v = this.faces.length; m < v; m++) {
                    var g = this.faces[m]
                      , y = f.faceNormals[m]
                      , w = f.vertexNormals[m];
                    y.copy(g.normal),
                    w.a.copy(g.vertexNormals[0]),
                    w.b.copy(g.vertexNormals[1]),
                    w.c.copy(g.vertexNormals[2])
                }
            }
            for (var b = 0, x = this.faces.length; b < x; b++) {
                var E = this.faces[b];
                E.normal = E.__originalFaceNormal,
                E.vertexNormals = E.__originalVertexNormals
            }
        },
        computeBoundingBox: function() {
            null === this.boundingBox && (this.boundingBox = new kn),
            this.boundingBox.setFromPoints(this.vertices)
        },
        computeBoundingSphere: function() {
            null === this.boundingSphere && (this.boundingSphere = new qn),
            this.boundingSphere.setFromPoints(this.vertices)
        },
        merge: function(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0;
            if (e && e.isGeometry) {
                var i, r = this.vertices.length, a = this.vertices, o = e.vertices, s = this.faces, l = e.faces, u = this.colors, c = e.colors;
                void 0 !== t && (i = (new wn).getNormalMatrix(t));
                for (var d = 0, h = o.length; d < h; d++) {
                    var p = o[d].clone();
                    void 0 !== t && p.applyMatrix4(t),
                    a.push(p)
                }
                for (var f = 0, m = c.length; f < m; f++)
                    u.push(c[f].clone());
                for (var v = 0, g = l.length; v < g; v++) {
                    var y = l[v]
                      , w = void 0
                      , b = void 0
                      , x = y.vertexNormals
                      , E = y.vertexColors
                      , _ = new Zi(y.a + r,y.b + r,y.c + r);
                    _.normal.copy(y.normal),
                    void 0 !== i && _.normal.applyMatrix3(i).normalize();
                    for (var M = 0, A = x.length; M < A; M++)
                        w = x[M].clone(),
                        void 0 !== i && w.applyMatrix3(i).normalize(),
                        _.vertexNormals.push(w);
                    _.color.copy(y.color);
                    for (var T = 0, S = E.length; T < S; T++)
                        b = E[T],
                        _.vertexColors.push(b.clone());
                    _.materialIndex = y.materialIndex + n,
                    s.push(_)
                }
                for (var C = 0, P = e.faceVertexUvs.length; C < P; C++) {
                    var D = e.faceVertexUvs[C];
                    void 0 === this.faceVertexUvs[C] && (this.faceVertexUvs[C] = []);
                    for (var k = 0, B = D.length; k < B; k++) {
                        for (var L = D[k], R = [], F = 0, I = L.length; F < I; F++)
                            R.push(L[F].clone());
                        this.faceVertexUvs[C].push(R)
                    }
                }
            } else
                console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.", e)
        },
        mergeMesh: function(e) {
            e && e.isMesh ? (e.matrixAutoUpdate && e.updateMatrix(),
            this.merge(e.geometry, e.matrix)) : console.error("THREE.Geometry.mergeMesh(): mesh not an instance of THREE.Mesh.", e)
        },
        mergeVertices: function() {
            for (var e = {}, t = [], n = [], i = Math.pow(10, 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 4), r = 0, a = this.vertices.length; r < a; r++) {
                var o = this.vertices[r]
                  , o = Math.round(o.x * i) + "_" + Math.round(o.y * i) + "_" + Math.round(o.z * i);
                void 0 === e[o] ? (e[o] = r,
                t.push(this.vertices[r]),
                n[r] = t.length - 1) : n[r] = n[e[o]]
            }
            for (var s = [], l = 0, u = this.faces.length; l < u; l++) {
                var c = this.faces[l];
                c.a = n[c.a],
                c.b = n[c.b],
                c.c = n[c.c];
                for (var d = [c.a, c.b, c.c], h = 0; h < 3; h++)
                    if (d[h] === d[(h + 1) % 3]) {
                        s.push(l);
                        break
                    }
            }
            for (var p = s.length - 1; 0 <= p; p--) {
                var f = s[p];
                this.faces.splice(f, 1);
                for (var m = 0, v = this.faceVertexUvs.length; m < v; m++)
                    this.faceVertexUvs[m].splice(f, 1)
            }
            var g = this.vertices.length - t.length;
            return this.vertices = t,
            g
        },
        setFromPoints: function(e) {
            this.vertices = [];
            for (var t = 0, n = e.length; t < n; t++) {
                var i = e[t];
                this.vertices.push(new Cn(i.x,i.y,i.z || 0))
            }
            return this
        },
        sortFacesByMaterialIndex: function() {
            for (var e = this.faces, t = e.length, n = 0; n < t; n++)
                e[n]._id = n;
            e.sort(function(e, t) {
                return e.materialIndex - t.materialIndex
            });
            var i, r, a = this.faceVertexUvs[0], o = this.faceVertexUvs[1];
            a && a.length === t && (i = []),
            o && o.length === t && (r = []);
            for (var s = 0; s < t; s++) {
                var l = e[s]._id;
                i && i.push(a[l]),
                r && r.push(o[l])
            }
            i && (this.faceVertexUvs[0] = i),
            r && (this.faceVertexUvs[1] = r)
        },
        toJSON: function() {
            var e = {
                metadata: {
                    version: 4.5,
                    type: "Geometry",
                    generator: "Geometry.toJSON"
                }
            };
            if (e.uuid = this.uuid,
            e.type = this.type,
            "" !== this.name && (e.name = this.name),
            void 0 !== this.parameters) {
                var t, n = this.parameters;
                for (t in n)
                    void 0 !== n[t] && (e[t] = n[t]);
                return e
            }
            for (var i = [], r = 0; r < this.vertices.length; r++) {
                var a = this.vertices[r];
                i.push(a.x, a.y, a.z)
            }
            for (var o = [], s = [], l = {}, u = [], c = {}, d = [], h = {}, p = 0; p < this.faces.length; p++) {
                var f, m = this.faces[p], v = void 0 !== this.faceVertexUvs[0][p], g = 0 < m.normal.length(), y = 0 < m.vertexNormals.length, w = 1 !== m.color.r || 1 !== m.color.g || 1 !== m.color.b, b = 0 < m.vertexColors.length;
                f = x(2, 3, v),
                f = x(f, 4, g),
                f = x(f, 5, y),
                f = x(f, 6, w),
                f = x(f, 7, b),
                o.push(f),
                o.push(m.a, m.b, m.c),
                o.push(m.materialIndex),
                v && (v = this.faceVertexUvs[0][p],
                o.push(M(v[0]), M(v[1]), M(v[2]))),
                g && o.push(E(m.normal)),
                y && (y = m.vertexNormals,
                o.push(E(y[0]), E(y[1]), E(y[2]))),
                w && o.push(_(m.color)),
                b && (m = m.vertexColors,
                o.push(_(m[0]), _(m[1]), _(m[2])))
            }
            function x(e, t, n) {
                return n ? e | 1 << t : e & ~(1 << t)
            }
            function E(e) {
                var t = e.x.toString() + e.y.toString() + e.z.toString();
                return void 0 !== l[t] || (l[t] = s.length / 3,
                s.push(e.x, e.y, e.z)),
                l[t]
            }
            function _(e) {
                var t = e.r.toString() + e.g.toString() + e.b.toString();
                return void 0 !== c[t] || (c[t] = u.length,
                u.push(e.getHex())),
                c[t]
            }
            function M(e) {
                var t = e.x.toString() + e.y.toString();
                return void 0 !== h[t] || (h[t] = d.length / 2,
                d.push(e.x, e.y)),
                h[t]
            }
            return e.data = {},
            e.data.vertices = i,
            e.data.normals = s,
            0 < u.length && (e.data.colors = u),
            0 < d.length && (e.data.uvs = [d]),
            e.data.faces = o,
            e
        },
        clone: function() {
            return (new Sl).copy(this)
        },
        copy: function(e) {
            this.vertices = [],
            this.colors = [],
            this.faces = [],
            this.faceVertexUvs = [[]],
            this.morphTargets = [],
            this.morphNormals = [],
            this.skinWeights = [],
            this.skinIndices = [],
            this.lineDistances = [],
            this.boundingBox = null,
            this.boundingSphere = null,
            this.name = e.name;
            for (var t = e.vertices, n = 0, i = t.length; n < i; n++)
                this.vertices.push(t[n].clone());
            for (var r = e.colors, a = 0, o = r.length; a < o; a++)
                this.colors.push(r[a].clone());
            for (var s = e.faces, l = 0, u = s.length; l < u; l++)
                this.faces.push(s[l].clone());
            for (var c = 0, d = e.faceVertexUvs.length; c < d; c++) {
                var h = e.faceVertexUvs[c];
                void 0 === this.faceVertexUvs[c] && (this.faceVertexUvs[c] = []);
                for (var p = 0, f = h.length; p < f; p++) {
                    for (var m = h[p], v = [], g = 0, y = m.length; g < y; g++) {
                        var w = m[g];
                        v.push(w.clone())
                    }
                    this.faceVertexUvs[c].push(v)
                }
            }
            for (var b = e.morphTargets, x = 0, E = b.length; x < E; x++) {
                var _ = {};
                if (_.name = b[x].name,
                void 0 !== b[x].vertices) {
                    _.vertices = [];
                    for (var M = 0, A = b[x].vertices.length; M < A; M++)
                        _.vertices.push(b[x].vertices[M].clone())
                }
                if (void 0 !== b[x].normals) {
                    _.normals = [];
                    for (var T = 0, S = b[x].normals.length; T < S; T++)
                        _.normals.push(b[x].normals[T].clone())
                }
                this.morphTargets.push(_)
            }
            for (var C = e.morphNormals, P = 0, D = C.length; P < D; P++) {
                var k = {};
                if (void 0 !== C[P].vertexNormals) {
                    k.vertexNormals = [];
                    for (var B = 0, L = C[P].vertexNormals.length; B < L; B++) {
                        var R = C[P].vertexNormals[B]
                          , F = {};
                        F.a = R.a.clone(),
                        F.b = R.b.clone(),
                        F.c = R.c.clone(),
                        k.vertexNormals.push(F)
                    }
                }
                if (void 0 !== C[P].faceNormals) {
                    k.faceNormals = [];
                    for (var I = 0, O = C[P].faceNormals.length; I < O; I++)
                        k.faceNormals.push(C[P].faceNormals[I].clone())
                }
                this.morphNormals.push(k)
            }
            for (var z = e.skinWeights, N = 0, U = z.length; N < U; N++)
                this.skinWeights.push(z[N].clone());
            for (var G = e.skinIndices, H = 0, V = G.length; H < V; H++)
                this.skinIndices.push(G[H].clone());
            for (var j = e.lineDistances, W = 0, X = j.length; W < X; W++)
                this.lineDistances.push(j[W]);
            var q = e.boundingBox;
            null !== q && (this.boundingBox = q.clone());
            q = e.boundingSphere;
            return null !== q && (this.boundingSphere = q.clone()),
            this.elementsNeedUpdate = e.elementsNeedUpdate,
            this.verticesNeedUpdate = e.verticesNeedUpdate,
            this.uvsNeedUpdate = e.uvsNeedUpdate,
            this.normalsNeedUpdate = e.normalsNeedUpdate,
            this.colorsNeedUpdate = e.colorsNeedUpdate,
            this.lineDistancesNeedUpdate = e.lineDistancesNeedUpdate,
            this.groupsNeedUpdate = e.groupsNeedUpdate,
            this
        },
        dispose: function() {
            this.dispatchEvent({
                type: "dispose"
            })
        }
    });
    var Cl = function() {
        y(l, Sl);
        var s = w(l);
        function l(e, t, n, i, r, a) {
            var o;
            return O(this, l),
            (o = s.call(this)).type = "BoxGeometry",
            o.parameters = {
                width: e,
                height: t,
                depth: n,
                widthSegments: i,
                heightSegments: r,
                depthSegments: a
            },
            o.fromBufferGeometry(new Wr(e,t,n,i,r,a)),
            o.mergeVertices(),
            o
        }
        return h(l)
    }()
      , Pl = function() {
        y(v, Mr);
        var m = w(v);
        function v() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 8, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 2 * Math.PI;
            O(this, v),
            (e = m.call(this)).type = "CircleBufferGeometry",
            e.parameters = {
                radius: t,
                segments: n,
                thetaStart: i,
                thetaLength: r
            };
            var n = Math.max(3, n)
              , a = []
              , o = []
              , s = []
              , l = []
              , u = new Cn
              , c = new yn;
            o.push(0, 0, 0),
            s.push(0, 0, 1),
            l.push(.5, .5);
            for (var d = 0, h = 3; d <= n; d++,
            h += 3) {
                var p = i + d / n * r;
                u.x = t * Math.cos(p),
                u.y = t * Math.sin(p),
                o.push(u.x, u.y, u.z),
                s.push(0, 0, 1),
                c.x = (o[h] / t + 1) / 2,
                c.y = (o[h + 1] / t + 1) / 2,
                l.push(c.x, c.y)
            }
            for (var f = 1; f <= n; f++)
                a.push(f, f + 1, 0);
            return e.setIndex(a),
            e.setAttribute("position", new dr(o,3)),
            e.setAttribute("normal", new dr(s,3)),
            e.setAttribute("uv", new dr(l,2)),
            e
        }
        return h(v)
    }()
      , Dl = function() {
        y(o, Sl);
        var a = w(o);
        function o(e, t, n, i) {
            var r;
            return O(this, o),
            (r = a.call(this)).type = "CircleGeometry",
            r.parameters = {
                radius: e,
                segments: t,
                thetaStart: n,
                thetaLength: i
            },
            r.fromBufferGeometry(new Pl(e,t,n,i)),
            r.mergeVertices(),
            r
        }
        return h(o)
    }()
      , kl = function() {
        y(r, Mr);
        var i = w(r);
        function r() {
            var e, y = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, w = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1, b = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1, x = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 8, E = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 1, t = 5 < arguments.length && void 0 !== arguments[5] && arguments[5], _ = 6 < arguments.length && void 0 !== arguments[6] ? arguments[6] : 0, M = 7 < arguments.length && void 0 !== arguments[7] ? arguments[7] : 2 * Math.PI;
            O(this, r),
            (e = i.call(this)).type = "CylinderBufferGeometry",
            e.parameters = {
                radiusTop: y,
                radiusBottom: w,
                height: b,
                radialSegments: x,
                heightSegments: E,
                openEnded: t,
                thetaStart: _,
                thetaLength: M
            };
            var A = g(e)
              , x = Math.floor(x)
              , E = Math.floor(E)
              , T = []
              , S = []
              , C = []
              , P = []
              , D = 0
              , k = []
              , B = b / 2
              , L = 0;
            function n(e) {
                for (var t = D, n = new yn, i = new Cn, r = 0, a = !0 === e ? y : w, o = !0 === e ? 1 : -1, s = 1; s <= x; s++)
                    S.push(0, B * o, 0),
                    C.push(0, o, 0),
                    P.push(.5, .5),
                    D++;
                for (var l = D, u = 0; u <= x; u++) {
                    var c = u / x * M + _
                      , d = Math.cos(c)
                      , c = Math.sin(c);
                    i.x = a * c,
                    i.y = B * o,
                    i.z = a * d,
                    S.push(i.x, i.y, i.z),
                    C.push(0, o, 0),
                    n.x = .5 * d + .5,
                    n.y = .5 * c * o + .5,
                    P.push(n.x, n.y),
                    D++
                }
                for (var h = 0; h < x; h++) {
                    var p = t + h
                      , f = l + h;
                    !0 === e ? T.push(f, f + 1, p) : T.push(f + 1, f, p),
                    r += 3
                }
                A.addGroup(L, r, !0 === e ? 1 : 2),
                L += r
            }
            return function() {
                for (var e = new Cn, t = new Cn, n = 0, i = (w - y) / b, r = 0; r <= E; r++) {
                    for (var a = [], o = r / E, s = o * (w - y) + y, l = 0; l <= x; l++) {
                        var u = l / x
                          , c = u * M + _
                          , d = Math.sin(c)
                          , c = Math.cos(c);
                        t.x = s * d,
                        t.y = -o * b + B,
                        t.z = s * c,
                        S.push(t.x, t.y, t.z),
                        e.set(d, i, c).normalize(),
                        C.push(e.x, e.y, e.z),
                        P.push(u, 1 - o),
                        a.push(D++)
                    }
                    k.push(a)
                }
                for (var h = 0; h < x; h++)
                    for (var p = 0; p < E; p++) {
                        var f = k[p][h]
                          , m = k[p + 1][h]
                          , v = k[p + 1][h + 1]
                          , g = k[p][h + 1];
                        T.push(f, m, g),
                        T.push(m, v, g),
                        n += 6
                    }
                A.addGroup(L, n, 0),
                L += n
            }(),
            !1 === t && (0 < y && n(!0),
            0 < w && n(!1)),
            e.setIndex(T),
            e.setAttribute("position", new dr(S,3)),
            e.setAttribute("normal", new dr(C,3)),
            e.setAttribute("uv", new dr(P,2)),
            e
        }
        return h(r)
    }()
      , Bl = function() {
        y(c, Sl);
        var u = w(c);
        function c(e, t, n, i, r, a, o, s) {
            var l;
            return O(this, c),
            (l = u.call(this)).type = "CylinderGeometry",
            l.parameters = {
                radiusTop: e,
                radiusBottom: t,
                height: n,
                radialSegments: i,
                heightSegments: r,
                openEnded: a,
                thetaStart: o,
                thetaLength: s
            },
            l.fromBufferGeometry(new kl(e,t,n,i,r,a,o,s)),
            l.mergeVertices(),
            l
        }
        return h(c)
    }()
      , Ll = function() {
        y(u, Bl);
        var l = w(u);
        function u(e, t, n, i, r, a, o) {
            var s;
            return O(this, u),
            (s = l.call(this, 0, e, t, n, i, r, a, o)).type = "ConeGeometry",
            s.parameters = {
                radius: e,
                height: t,
                radialSegments: n,
                heightSegments: i,
                openEnded: r,
                thetaStart: a,
                thetaLength: o
            },
            s
        }
        return h(u)
    }()
      , Rl = function() {
        y(u, kl);
        var l = w(u);
        function u() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 8, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1, a = 4 < arguments.length && void 0 !== arguments[4] && arguments[4], o = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 0, s = 6 < arguments.length && void 0 !== arguments[6] ? arguments[6] : 2 * Math.PI;
            return O(this, u),
            (e = l.call(this, 0, t, n, i, r, a, o, s)).type = "ConeBufferGeometry",
            e.parameters = {
                radius: t,
                height: n,
                radialSegments: i,
                heightSegments: r,
                openEnded: a,
                thetaStart: o,
                thetaLength: s
            },
            e
        }
        return h(u)
    }()
      , Fl = function() {
        y(s, Mr);
        var r = w(s);
        function s(n, a) {
            var e, t = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1, i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0;
            O(this, s),
            (e = r.call(this)).type = "PolyhedronBufferGeometry",
            e.parameters = {
                vertices: n,
                indices: a,
                radius: t,
                detail: i
            };
            var c = []
              , d = [];
            function f(e) {
                c.push(e.x, e.y, e.z)
            }
            function o(e, t) {
                e *= 3;
                t.x = n[0 + e],
                t.y = n[1 + e],
                t.z = n[2 + e]
            }
            function h(e, t, n, i) {
                i < 0 && 1 === e.x && (d[t] = e.x - 1),
                0 === n.x && 0 === n.z && (d[t] = i / 2 / Math.PI + .5)
            }
            function p(e) {
                return Math.atan2(e.z, -e.x)
            }
            return function(e) {
                for (var t = new Cn, n = new Cn, i = new Cn, r = 0; r < a.length; r += 3)
                    o(a[r + 0], t),
                    o(a[r + 1], n),
                    o(a[r + 2], i),
                    function(e, t, n, i) {
                        for (var r = i + 1, a = [], o = 0; o <= r; o++) {
                            a[o] = [];
                            for (var s = e.clone().lerp(n, o / r), l = t.clone().lerp(n, o / r), u = r - o, c = 0; c <= u; c++)
                                a[o][c] = 0 === c && o === r ? s : s.clone().lerp(l, c / u)
                        }
                        for (var d = 0; d < r; d++)
                            for (var h = 0; h < 2 * (r - d) - 1; h++) {
                                var p = Math.floor(h / 2);
                                h % 2 == 0 ? (f(a[d][p + 1]),
                                f(a[d + 1][p]),
                                f(a[d][p])) : (f(a[d][p + 1]),
                                f(a[d + 1][p + 1]),
                                f(a[d + 1][p]))
                            }
                    }(t, n, i, e)
            }(i),
            function(e) {
                for (var t = new Cn, n = 0; n < c.length; n += 3)
                    t.x = c[n + 0],
                    t.y = c[n + 1],
                    t.z = c[n + 2],
                    t.normalize().multiplyScalar(e),
                    c[n + 0] = t.x,
                    c[n + 1] = t.y,
                    c[n + 2] = t.z
            }(t),
            function() {
                for (var e = new Cn, t = 0; t < c.length; t += 3) {
                    e.x = c[t + 0],
                    e.y = c[t + 1],
                    e.z = c[t + 2];
                    var n = p(e) / 2 / Math.PI + .5
                      , i = function(e) {
                        return Math.atan2(-e.y, Math.sqrt(e.x * e.x + e.z * e.z))
                    }(e) / Math.PI + .5;
                    d.push(n, 1 - i)
                }
                (function() {
                    for (var e = new Cn, t = new Cn, n = new Cn, i = new Cn, r = new yn, a = new yn, o = new yn, s = 0, l = 0; s < c.length; s += 9,
                    l += 6) {
                        e.set(c[s + 0], c[s + 1], c[s + 2]),
                        t.set(c[s + 3], c[s + 4], c[s + 5]),
                        n.set(c[s + 6], c[s + 7], c[s + 8]),
                        r.set(d[l + 0], d[l + 1]),
                        a.set(d[l + 2], d[l + 3]),
                        o.set(d[l + 4], d[l + 5]),
                        i.copy(e).add(t).add(n).divideScalar(3);
                        var u = p(i);
                        h(r, l + 0, e, u),
                        h(a, l + 2, t, u),
                        h(o, l + 4, n, u)
                    }
                }
                )(),
                function() {
                    for (var e = 0; e < d.length; e += 6) {
                        var t = d[e + 0]
                          , n = d[e + 2]
                          , i = d[e + 4]
                          , r = Math.max(t, n, i)
                          , a = Math.min(t, n, i);
                        .9 < r && a < .1 && (t < .2 && (d[e + 0] += 1),
                        n < .2 && (d[e + 2] += 1),
                        i < .2 && (d[e + 4] += 1))
                    }
                }()
            }(),
            e.setAttribute("position", new dr(c,3)),
            e.setAttribute("normal", new dr(c.slice(),3)),
            e.setAttribute("uv", new dr(d,2)),
            0 === i ? e.computeVertexNormals() : e.normalizeNormals(),
            e
        }
        return h(s)
    }()
      , Il = function() {
        y(a, Fl);
        var r = w(a);
        function a() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
            O(this, a);
            var n = (1 + Math.sqrt(5)) / 2
              , i = 1 / n;
            return (i = r.call(this, [-1, -1, -1, -1, -1, 1, -1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 0, -i, -n, 0, -i, n, 0, i, -n, 0, i, n, -i, -n, 0, -i, n, 0, i, -n, 0, i, n, 0, -n, 0, -i, n, 0, -i, -n, 0, i, n, 0, i], [3, 11, 7, 3, 7, 15, 3, 15, 13, 7, 19, 17, 7, 17, 6, 7, 6, 15, 17, 4, 8, 17, 8, 10, 17, 10, 6, 8, 0, 16, 8, 16, 2, 8, 2, 10, 0, 12, 1, 0, 1, 18, 0, 18, 16, 6, 10, 2, 6, 2, 13, 6, 13, 15, 2, 16, 18, 2, 18, 3, 2, 3, 13, 18, 1, 9, 18, 9, 11, 18, 11, 3, 4, 14, 12, 4, 12, 0, 4, 0, 8, 11, 9, 5, 11, 5, 19, 11, 19, 7, 19, 5, 14, 19, 14, 4, 19, 4, 17, 1, 12, 14, 1, 14, 5, 1, 5, 9], e, t)).type = "DodecahedronBufferGeometry",
            i.parameters = {
                radius: e,
                detail: t
            },
            i
        }
        return h(a)
    }()
      , Ol = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "DodecahedronGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n.fromBufferGeometry(new Il(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r)
    }()
      , zl = new Cn
      , Nl = new Cn
      , Ul = new Cn
      , Gl = new Hi
      , Hl = function() {
        y(C, Mr);
        var S = w(C);
        function C(e, t) {
            var n;
            O(this, C),
            (n = S.call(this)).type = "EdgesGeometry",
            n.parameters = {
                thresholdAngle: t
            },
            t = void 0 !== t ? t : 1,
            e.isGeometry && (e = (new Mr).fromGeometry(e));
            for (var i, r, a, o = Math.pow(10, 4), s = Math.cos(gn.DEG2RAD * t), l = e.getIndex(), u = e.getAttribute("position"), c = (l || u).count, d = [0, 0, 0], h = ["a", "b", "c"], p = new Array(3), f = {}, m = [], v = 0; v < c; v += 3) {
                l ? (d[0] = l.getX(v),
                d[1] = l.getX(v + 1),
                d[2] = l.getX(v + 2)) : (d[0] = v,
                d[1] = v + 1,
                d[2] = v + 2);
                var g = Gl.a
                  , y = Gl.b
                  , w = Gl.c;
                if (g.fromBufferAttribute(u, d[0]),
                y.fromBufferAttribute(u, d[1]),
                w.fromBufferAttribute(u, d[2]),
                Gl.getNormal(Ul),
                p[0] = "".concat(Math.round(g.x * o), ",").concat(Math.round(g.y * o), ",").concat(Math.round(g.z * o)),
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                            Te(ye.x, ye.y, n + fe)
                        }
                        for (var we = 0, be = w.length; we < be; we++) {
                            var xe = w[we];
                            O = z[we];
                            for (var Ee = 0, _e = xe.length; Ee < _e; Ee++) {
                                var Me = C(xe[Ee], O[Ee], me);
                                g ? Te(Me.x, Me.y + l[c - 1].y, l[c - 1].x + fe) : Te(Me.x, Me.y, n + fe)
                            }
                        }
                    }
                    function Ae(e, t) {
                        for (var n = e.length; 0 <= --n; ) {
                            var i = n
                              , r = n - 1;
                            r < 0 && (r = e.length - 1);
                            for (var a = 0, o = c + 2 * h; a < o; a++) {
                                var s = P * a
                                  , l = P * (a + 1);
                                !function(e, t, n, i) {
                                    Ce(e),
                                    Ce(t),
                                    Ce(i),
                                    Ce(t),
                                    Ce(n),
                                    Ce(i);
                                    i = Be.length / 3,
                                    i = u.generateSideWallUV(ke, Be, i - 6, i - 3, i - 2, i - 1);
                                    Pe(i[0]),
                                    Pe(i[1]),
                                    Pe(i[3]),
                                    Pe(i[1]),
                                    Pe(i[2]),
                                    Pe(i[3])
                                }(t + i + s, t + r + s, t + r + l, t + i + l)
                            }
                        }
                    }
                    function Te(e, t, n) {
                        i.push(e),
                        i.push(t),
                        i.push(n)
                    }
                    function Se(e, t, n) {
                        Ce(e),
                        Ce(t),
                        Ce(n);
                        n = Be.length / 3,
                        n = u.generateTopUV(ke, Be, n - 3, n - 2, n - 1);
                        Pe(n[0]),
                        Pe(n[1]),
                        Pe(n[2])
                    }
                    function Ce(e) {
                        Be.push(i[3 * e + 0]),
                        Be.push(i[3 * e + 1]),
                        Be.push(i[3 * e + 2])
                    }
                    function Pe(e) {
                        Le.push(e.x),
                        Le.push(e.y)
                    }
                    (function() {
                        var e = Be.length / 3;
                        if (d) {
                            for (var t = 0 * P, n = 0; n < D; n++) {
                                var i = _[n];
                                Se(i[2] + t, i[1] + t, i[0] + t)
                            }
                            for (var t = P * (c + 2 * h), r = 0; r < D; r++) {
                                var a = _[r];
                                Se(a[0] + t, a[1] + t, a[2] + t)
                            }
                        } else {
                            for (var o = 0; o < D; o++) {
                                var s = _[o];
                                Se(s[2], s[1], s[0])
                            }
                            for (var l = 0; l < D; l++) {
                                var u = _[l];
                                Se(u[0] + P * c, u[1] + P * c, u[2] + P * c)
                            }
                        }
                        ke.addGroup(e, Be.length / 3 - e, 0)
                    }
                    )(),
                    function() {
                        var e = Be.length / 3
                          , t = 0;
                        Ae(M, t),
                        t += M.length;
                        for (var n = 0, i = w.length; n < i; n++) {
                            var r = w[n];
                            Ae(r, t),
                            t += r.length
                        }
                        ke.addGroup(e, Be.length / 3 - e, 1)
                    }()
                }(e[n]);
            return t.setAttribute("position", new dr(Be,3)),
            t.setAttribute("uv", new dr(Le,2)),
            t.computeVertexNormals(),
            t
        }
        return h(a, [{
            key: "toJSON",
            value: function() {
                var e = Mr.prototype.toJSON.call(this);
                return function(e, t, n) {
                    if (n.shapes = [],
                    Array.isArray(e))
                        for (var i = 0, r = e.length; i < r; i++) {
                            var a = e[i];
                            n.shapes.push(a.uuid)
                        }
                    else
                        n.shapes.push(e.uuid);
                    void 0 !== t.extrudePath && (n.options.extrudePath = t.extrudePath.toJSON());
                    return n
                }(this.parameters.shapes, this.parameters.options, e)
            }
        }]),
        a
    }()
      , cu = {
        generateTopUV: function(e, t, n, i, r) {
            var a = t[3 * n]
              , o = t[3 * n + 1]
              , s = t[3 * i]
              , n = t[3 * i + 1]
              , i = t[3 * r]
              , r = t[3 * r + 1];
            return [new yn(a,o), new yn(s,n), new yn(i,r)]
        },
        generateSideWallUV: function(e, t, n, i, r, a) {
            var o = t[3 * n]
              , s = t[3 * n + 1]
              , l = t[3 * n + 2]
              , u = t[3 * i]
              , c = t[3 * i + 1]
              , d = t[3 * i + 2]
              , h = t[3 * r]
              , p = t[3 * r + 1]
              , n = t[3 * r + 2]
              , i = t[3 * a]
              , r = t[3 * a + 1]
              , a = t[3 * a + 2];
            return Math.abs(s - c) < .01 ? [new yn(o,1 - l), new yn(u,1 - d), new yn(h,1 - n), new yn(i,1 - a)] : [new yn(s,1 - l), new yn(c,1 - d), new yn(p,1 - n), new yn(r,1 - a)]
        }
    };
    var du = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "ExtrudeGeometry",
            n.parameters = {
                shapes: e,
                options: t
            },
            n.fromBufferGeometry(new uu(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r, [{
            key: "toJSON",
            value: function() {
                var e = b(v(r.prototype), "toJSON", this).call(this);
                return function(e, t, n) {
                    if (n.shapes = [],
                    Array.isArray(e))
                        for (var i = 0, r = e.length; i < r; i++) {
                            var a = e[i];
                            n.shapes.push(a.uuid)
                        }
                    else
                        n.shapes.push(e.uuid);
                    void 0 !== t.extrudePath && (n.options.extrudePath = t.extrudePath.toJSON());
                    return n
                }(this.parameters.shapes, this.parameters.options, e)
            }
        }]),
        r
    }();
    var hu = function() {
        y(r, Fl);
        var i = w(r);
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
            O(this, r);
            var n = (1 + Math.sqrt(5)) / 2;
            return (n = i.call(this, [-1, n, 0, 1, n, 0, -1, -n, 0, 1, -n, 0, 0, -1, n, 0, 1, n, 0, -1, -n, 0, 1, -n, n, 0, -1, n, 0, 1, -n, 0, -1, -n, 0, 1], [0, 11, 5, 0, 5, 1, 0, 1, 7, 0, 7, 10, 0, 10, 11, 1, 5, 9, 5, 11, 4, 11, 10, 2, 10, 7, 6, 7, 1, 8, 3, 9, 4, 3, 4, 2, 3, 2, 6, 3, 6, 8, 3, 8, 9, 4, 9, 5, 2, 4, 11, 6, 2, 10, 8, 6, 7, 9, 8, 1], e, t)).type = "IcosahedronBufferGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n
        }
        return h(r)
    }()
      , pu = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "IcosahedronGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n.fromBufferGeometry(new hu(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r)
    }()
      , fu = function() {
        y(D, Mr);
        var P = w(D);
        function D(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 12, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 2 * Math.PI;
            O(this, D),
            (t = P.call(this)).type = "LatheBufferGeometry",
            t.parameters = {
                points: e,
                segments: n,
                phiStart: i,
                phiLength: r
            };
            for (var n = Math.floor(n), r = gn.clamp(r, 0, 2 * Math.PI), a = [], o = [], s = [], l = 1 / n, u = new Cn, c = new yn, d = 0; d <= n; d++)
                for (var h = i + d * l * r, p = Math.sin(h), f = Math.cos(h), m = 0; m <= e.length - 1; m++)
                    u.x = e[m].x * p,
                    u.y = e[m].y,
                    u.z = e[m].x * f,
                    o.push(u.x, u.y, u.z),
                    c.x = d / n,
                    c.y = m / (e.length - 1),
                    s.push(c.x, c.y);
            for (var v = 0; v < n; v++)
                for (var g = 0; g < e.length - 1; g++) {
                    var y = g + v * e.length
                      , w = y + e.length
                      , b = y + e.length + 1
                      , x = y + 1;
                    a.push(y, w, x),
                    a.push(w, b, x)
                }
            if (t.setIndex(a),
            t.setAttribute("position", new dr(o,3)),
            t.setAttribute("uv", new dr(s,2)),
            t.computeVertexNormals(),
            r === 2 * Math.PI)
                for (var E = t.attributes.normal.array, _ = new Cn, M = new Cn, A = new Cn, T = n * e.length * 3, S = 0, C = 0; S < e.length; S++,
                C += 3)
                    _.x = E[C + 0],
                    _.y = E[C + 1],
                    _.z = E[C + 2],
                    M.x = E[T + C + 0],
                    M.y = E[T + C + 1],
                    M.z = E[T + C + 2],
                    A.addVectors(_, M).normalize(),
                    E[C + 0] = E[T + C + 0] = A.x,
                    E[C + 1] = E[T + C + 1] = A.y,
                    E[C + 2] = E[T + C + 2] = A.z;
            return t
        }
        return h(D)
    }()
      , mu = function() {
        y(o, Sl);
        var a = w(o);
        function o(e, t, n, i) {
            var r;
            return O(this, o),
            (r = a.call(this)).type = "LatheGeometry",
            r.parameters = {
                points: e,
                segments: t,
                phiStart: n,
                phiLength: i
            },
            r.fromBufferGeometry(new fu(e,t,n,i)),
            r.mergeVertices(),
            r
        }
        return h(o)
    }()
      , vu = function() {
        y(r, Fl);
        var i = w(r);
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
            O(this, r);
            var n;
            return (n = i.call(this, [1, 0, 0, -1, 0, 0, 0, 1, 0, 0, -1, 0, 0, 0, 1, 0, 0, -1], [0, 2, 4, 0, 4, 3, 0, 3, 5, 0, 5, 2, 1, 2, 5, 1, 5, 3, 1, 3, 4, 1, 4, 2], e, t)).type = "OctahedronBufferGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n
        }
        return h(r)
    }()
      , gu = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "OctahedronGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n.fromBufferGeometry(new vu(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r)
    }();
    function yu(e, t, n) {
        Mr.call(this),
        this.type = "ParametricBufferGeometry",
        this.parameters = {
            func: e,
            slices: t,
            stacks: n
        };
        var i = []
          , r = []
          , a = []
          , o = []
          , s = new Cn
          , l = new Cn
          , u = new Cn
          , c = new Cn
          , d = new Cn;
        e.length < 3 && console.error("THREE.ParametricGeometry: Function must now modify a Vector3 as third parameter.");
        for (var h = t + 1, p = 0; p <= n; p++)
            for (var f = p / n, m = 0; m <= t; m++) {
                var v = m / t;
                e(v, f, l),
                r.push(l.x, l.y, l.z),
                0 <= v - 1e-5 ? (e(v - 1e-5, f, u),
                c.subVectors(l, u)) : (e(1e-5 + v, f, u),
                c.subVectors(u, l)),
                0 <= f - 1e-5 ? (e(v, f - 1e-5, u),
                d.subVectors(l, u)) : (e(v, 1e-5 + f, u),
                d.subVectors(u, l)),
                s.crossVectors(c, d).normalize(),
                a.push(s.x, s.y, s.z),
                o.push(v, f)
            }
        for (var g = 0; g < n; g++)
            for (var y = 0; y < t; y++) {
                var w = g * h + y + 1
                  , b = (g + 1) * h + y + 1
                  , x = (g + 1) * h + y;
                i.push(g * h + y, w, x),
                i.push(w, b, x)
            }
        this.setIndex(i),
        this.setAttribute("position", new dr(r,3)),
        this.setAttribute("normal", new dr(a,3)),
        this.setAttribute("uv", new dr(o,2))
    }
    function wu(e, t, n) {
        Sl.call(this),
        this.type = "ParametricGeometry",
        this.parameters = {
            func: e,
            slices: t,
            stacks: n
        },
        this.fromBufferGeometry(new yu(e,t,n)),
        this.mergeVertices()
    }
    (yu.prototype = Object.create(Mr.prototype)).constructor = yu,
    (wu.prototype = Object.create(Sl.prototype)).constructor = wu;
    var bu = function() {
        y(o, Sl);
        var a = w(o);
        function o(e, t, n, i) {
            var r;
            return O(this, o),
            (r = a.call(this)).type = "PlaneGeometry",
            r.parameters = {
                width: e,
                height: t,
                widthSegments: n,
                heightSegments: i
            },
            r.fromBufferGeometry(new ua(e,t,n,i)),
            r.mergeVertices(),
            r
        }
        return h(o)
    }()
      , xu = function() {
        y(o, Sl);
        var a = w(o);
        function o(e, t, n, i) {
            var r;
            return O(this, o),
            (r = a.call(this)).type = "PolyhedronGeometry",
            r.parameters = {
                vertices: e,
                indices: t,
                radius: n,
                detail: i
            },
            r.fromBufferGeometry(new Fl(e,t,n,i)),
            r.mergeVertices(),
            r
        }
        return h(o)
    }()
      , Eu = function() {
        y(T, Mr);
        var A = w(T);
        function T() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : .5, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 8, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 1, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 0, o = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 2 * Math.PI;
            O(this, T),
            (e = A.call(this)).type = "RingBufferGeometry",
            e.parameters = {
                innerRadius: t,
                outerRadius: n,
                thetaSegments: i,
                phiSegments: r,
                thetaStart: a,
                thetaLength: o
            };
            for (var i = Math.max(3, i), s = [], l = [], u = [], c = [], d = t, h = (n - t) / (r = Math.max(1, r)), p = new Cn, f = new yn, m = 0; m <= r; m++) {
                for (var v = 0; v <= i; v++) {
                    var g = a + v / i * o;
                    p.x = d * Math.cos(g),
                    p.y = d * Math.sin(g),
                    l.push(p.x, p.y, p.z),
                    u.push(0, 0, 1),
                    f.x = (p.x / n + 1) / 2,
                    f.y = (p.y / n + 1) / 2,
                    c.push(f.x, f.y)
                }
                d += h
            }
            for (var y = 0; y < r; y++)
                for (var w = y * (i + 1), b = 0; b < i; b++) {
                    var x = b + w
                      , E = x + i + 1
                      , _ = x + i + 2
                      , M = x + 1;
                    s.push(x, E, M),
                    s.push(E, _, M)
                }
            return e.setIndex(s),
            e.setAttribute("position", new dr(l,3)),
            e.setAttribute("normal", new dr(u,3)),
            e.setAttribute("uv", new dr(c,2)),
            e
        }
        return h(T)
    }()
      , _u = function() {
        y(l, Sl);
        var s = w(l);
        function l(e, t, n, i, r, a) {
            var o;
            return O(this, l),
            (o = s.call(this)).type = "RingGeometry",
            o.parameters = {
                innerRadius: e,
                outerRadius: t,
                thetaSegments: n,
                phiSegments: i,
                thetaStart: r,
                thetaLength: a
            },
            o.fromBufferGeometry(new Eu(e,t,n,i,r,a)),
            o.mergeVertices(),
            o
        }
        return h(l)
    }()
      , Mu = function() {
        y(o, Mr);
        var a = w(o);
        function o(e) {
            var t, w = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 12;
            O(this, o),
            (t = a.call(this)).type = "ShapeBufferGeometry",
            t.parameters = {
                shapes: e,
                curveSegments: w
            };
            var b = []
              , x = []
              , E = []
              , _ = []
              , n = 0
              , M = 0;
            if (!1 === Array.isArray(e))
                r(e);
            else
                for (var i = 0; i < e.length; i++)
                    r(e[i]),
                    t.addGroup(n, M, i),
                    n += M,
                    M = 0;
            function r(e) {
                var t = x.length / 3
                  , e = e.extractPoints(w)
                  , n = e.shape
                  , i = e.holes;
                !1 === ou.isClockWise(n) && (n = n.reverse());
                for (var r = 0, a = i.length; r < a; r++) {
                    var o = i[r];
                    !0 === ou.isClockWise(o) && (i[r] = o.reverse())
                }
                for (var s = ou.triangulateShape(n, i), l = 0, u = i.length; l < u; l++)
                    var c = i[l]
                      , n = n.concat(c);
                for (var d = 0, h = n.length; d < h; d++) {
                    var p = n[d];
                    x.push(p.x, p.y, 0),
                    E.push(0, 0, 1),
                    _.push(p.x, p.y)
                }
                for (var f = 0, m = s.length; f < m; f++) {
                    var v = s[f]
                      , g = v[0] + t
                      , y = v[1] + t
                      , v = v[2] + t;
                    b.push(g, y, v),
                    M += 3
                }
            }
            return t.setIndex(b),
            t.setAttribute("position", new dr(x,3)),
            t.setAttribute("normal", new dr(E,3)),
            t.setAttribute("uv", new dr(_,2)),
            t
        }
        return h(o, [{
            key: "toJSON",
            value: function() {
                var e = Mr.prototype.toJSON.call(this);
                return function(e, t) {
                    if (t.shapes = [],
                    Array.isArray(e))
                        for (var n = 0, i = e.length; n < i; n++) {
                            var r = e[n];
                            t.shapes.push(r.uuid)
                        }
                    else
                        t.shapes.push(e.uuid);
                    return t
                }(this.parameters.shapes, e)
            }
        }]),
        o
    }();
    var Au = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "ShapeGeometry",
            "object" === X(t) && (console.warn("THREE.ShapeGeometry: Options parameter has been removed."),
            t = t.curveSegments),
            n.parameters = {
                shapes: e,
                curveSegments: t
            },
            n.fromBufferGeometry(new Mu(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r, [{
            key: "toJSON",
            value: function() {
                var e = Sl.prototype.toJSON.call(this);
                return function(e, t) {
                    if (t.shapes = [],
                    Array.isArray(e))
                        for (var n = 0, i = e.length; n < i; n++) {
                            var r = e[n];
                            t.shapes.push(r.uuid)
                        }
                    else
                        t.shapes.push(e.uuid);
                    return t
                }(this.parameters.shapes, e)
            }
        }]),
        r
    }();
    var Tu = function() {
        y(D, Mr);
        var P = w(D);
        function D() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 8, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 6, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 2 * Math.PI, o = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 0, s = 6 < arguments.length && void 0 !== arguments[6] ? arguments[6] : Math.PI;
            O(this, D),
            (e = P.call(this)).type = "SphereBufferGeometry",
            e.parameters = {
                radius: t,
                widthSegments: n,
                heightSegments: i,
                phiStart: r,
                phiLength: a,
                thetaStart: o,
                thetaLength: s
            };
            for (var n = Math.max(3, Math.floor(n)), i = Math.max(2, Math.floor(i)), l = Math.min(o + s, Math.PI), u = 0, c = [], d = new Cn, h = new Cn, p = [], f = [], m = [], v = [], g = 0; g <= i; g++) {
                var y = []
                  , w = g / i
                  , b = 0;
                0 == g && 0 == o ? b = .5 / n : g == i && l == Math.PI && (b = -.5 / n);
                for (var x = 0; x <= n; x++) {
                    var E = x / n;
                    d.x = -t * Math.cos(r + E * a) * Math.sin(o + w * s),
                    d.y = t * Math.cos(o + w * s),
                    d.z = t * Math.sin(r + E * a) * Math.sin(o + w * s),
                    f.push(d.x, d.y, d.z),
                    h.copy(d).normalize(),
                    m.push(h.x, h.y, h.z),
                    v.push(E + b, 1 - w),
                    y.push(u++)
                }
                c.push(y)
            }
            for (var _ = 0; _ < i; _++)
                for (var M = 0; M < n; M++) {
                    var A = c[_][M + 1]
                      , T = c[_][M]
                      , S = c[_ + 1][M]
                      , C = c[_ + 1][M + 1];
                    (0 !== _ || 0 < o) && p.push(A, T, C),
                    (_ !== i - 1 || l < Math.PI) && p.push(T, S, C)
                }
            return e.setIndex(p),
            e.setAttribute("position", new dr(f,3)),
            e.setAttribute("normal", new dr(m,3)),
            e.setAttribute("uv", new dr(v,2)),
            e
        }
        return h(D)
    }()
      , Su = function() {
        y(u, Sl);
        var l = w(u);
        function u(e, t, n, i, r, a, o) {
            var s;
            return O(this, u),
            (s = l.call(this)).type = "SphereGeometry",
            s.parameters = {
                radius: e,
                widthSegments: t,
                heightSegments: n,
                phiStart: i,
                phiLength: r,
                thetaStart: a,
                thetaLength: o
            },
            s.fromBufferGeometry(new Tu(e,t,n,i,r,a,o)),
            s.mergeVertices(),
            s
        }
        return h(u)
    }()
      , Cu = function() {
        y(r, Fl);
        var i = w(r);
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0;
            O(this, r);
            var n;
            return (n = i.call(this, [1, 1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1], [2, 1, 0, 0, 3, 2, 1, 3, 0, 2, 3, 1], e, t)).type = "TetrahedronBufferGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n
        }
        return h(r)
    }()
      , Pu = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "TetrahedronGeometry",
            n.parameters = {
                radius: e,
                detail: t
            },
            n.fromBufferGeometry(new Cu(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r)
    }()
      , Du = function() {
        y(a, uu);
        var r = w(a);
        function a(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {};
            O(this, a);
            var i = n.font;
            if (!i || !i.isFont)
                return console.error("THREE.TextGeometry: font parameter is not an instance of THREE.Font."),
                c(t, new Mr);
            e = i.generateShapes(e, n.size);
            return n.depth = void 0 !== n.height ? n.height : 50,
            void 0 === n.bevelThickness && (n.bevelThickness = 10),
            void 0 === n.bevelSize && (n.bevelSize = 8),
            void 0 === n.bevelEnabled && (n.bevelEnabled = !1),
            (t = r.call(this, e, n)).type = "TextBufferGeometry",
            t
        }
        return h(a)
    }()
      , ku = function() {
        y(r, Sl);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).type = "TextGeometry",
            n.parameters = {
                text: e,
                parameters: t
            },
            n.fromBufferGeometry(new Du(e,t)),
            n.mergeVertices(),
            n
        }
        return h(r)
    }()
      , Bu = function() {
        y(_, Mr);
        var E = w(_);
        function _() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : .4, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 8, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 6, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 2 * Math.PI;
            O(this, _),
            (e = E.call(this)).type = "TorusBufferGeometry",
            e.parameters = {
                radius: t,
                tube: n,
                radialSegments: i,
                tubularSegments: r,
                arc: a
            };
            for (var i = Math.floor(i), r = Math.floor(r), o = [], s = [], l = [], u = [], c = new Cn, d = new Cn, h = new Cn, p = 0; p <= i; p++)
                for (var f = 0; f <= r; f++) {
                    var m = f / r * a
                      , v = p / i * Math.PI * 2;
                    d.x = (t + n * Math.cos(v)) * Math.cos(m),
                    d.y = (t + n * Math.cos(v)) * Math.sin(m),
                    d.z = n * Math.sin(v),
                    s.push(d.x, d.y, d.z),
                    c.x = t * Math.cos(m),
                    c.y = t * Math.sin(m),
                    h.subVectors(d, c).normalize(),
                    l.push(h.x, h.y, h.z),
                    u.push(f / r),
                    u.push(p / i)
                }
            for (var g = 1; g <= i; g++)
                for (var y = 1; y <= r; y++) {
                    var w = (r + 1) * (g - 1) + y - 1
                      , b = (r + 1) * (g - 1) + y
                      , x = (r + 1) * g + y;
                    o.push((r + 1) * g + y - 1, w, x),
                    o.push(w, b, x)
                }
            return e.setIndex(o),
            e.setAttribute("position", new dr(s,3)),
            e.setAttribute("normal", new dr(l,3)),
            e.setAttribute("uv", new dr(u,2)),
            e
        }
        return h(_)
    }()
      , Lu = function() {
        y(s, Sl);
        var o = w(s);
        function s(e, t, n, i, r) {
            var a;
            return O(this, s),
            (a = o.call(this)).type = "TorusGeometry",
            a.parameters = {
                radius: e,
                tube: t,
                radialSegments: n,
                tubularSegments: i,
                arc: r
            },
            a.fromBufferGeometry(new Bu(e,t,n,i,r)),
            a.mergeVertices(),
            a
        }
        return h(s)
    }()
      , Ru = function() {
        y(D, Mr);
        var P = w(D);
        function D() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : .4, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 64, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 8, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 2, o = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 3;
            O(this, D),
            (e = P.call(this)).type = "TorusKnotBufferGeometry",
            e.parameters = {
                radius: t,
                tube: n,
                tubularSegments: i,
                radialSegments: r,
                p: a,
                q: o
            };
            for (var i = Math.floor(i), r = Math.floor(r), s = [], l = [], u = [], c = [], d = new Cn, h = new Cn, p = new Cn, f = new Cn, m = new Cn, v = new Cn, g = new Cn, y = 0; y <= i; ++y) {
                var w = y / i * a * Math.PI * 2;
                C(w, a, o, t, p),
                C(.01 + w, a, o, t, f),
                v.subVectors(f, p),
                g.addVectors(f, p),
                m.crossVectors(v, g),
                g.crossVectors(m, v),
                m.normalize(),
                g.normalize();
                for (var b = 0; b <= r; ++b) {
                    var x = b / r * Math.PI * 2
                      , E = -n * Math.cos(x)
                      , x = n * Math.sin(x);
                    d.x = p.x + (E * g.x + x * m.x),
                    d.y = p.y + (E * g.y + x * m.y),
                    d.z = p.z + (E * g.z + x * m.z),
                    l.push(d.x, d.y, d.z),
                    h.subVectors(d, p).normalize(),
                    u.push(h.x, h.y, h.z),
                    c.push(y / i),
                    c.push(b / r)
                }
            }
            for (var _ = 1; _ <= i; _++)
                for (var M = 1; M <= r; M++) {
                    var A = (r + 1) * _ + (M - 1)
                      , T = (r + 1) * _ + M
                      , S = (r + 1) * (_ - 1) + M;
                    s.push((r + 1) * (_ - 1) + (M - 1), A, S),
                    s.push(A, T, S)
                }
            function C(e, t, n, i, r) {
                var a = Math.cos(e)
                  , o = Math.sin(e)
                  , t = n / t * e
                  , e = Math.cos(t);
                r.x = i * (2 + e) * .5 * a,
                r.y = i * (2 + e) * o * .5,
                r.z = i * Math.sin(t) * .5
            }
            return e.setIndex(s),
            e.setAttribute("position", new dr(l,3)),
            e.setAttribute("normal", new dr(u,3)),
            e.setAttribute("uv", new dr(c,2)),
            e
        }
        return h(D)
    }()
      , Fu = function() {
        y(u, Sl);
        var l = w(u);
        function u(e, t, n, i, r, a, o) {
            var s;
            return O(this, u),
            (s = l.call(this)).type = "TorusKnotGeometry",
            s.parameters = {
                radius: e,
                tube: t,
                tubularSegments: n,
                radialSegments: i,
                p: r,
                q: a
            },
            void 0 !== o && console.warn("THREE.TorusKnotGeometry: heightScale has been deprecated. Use .scale( x, y, z ) instead."),
            s.fromBufferGeometry(new Ru(e,t,n,i,r,a)),
            s.mergeVertices(),
            s
        }
        return h(u)
    }()
      , Iu = function() {
        y(g, Mr);
        var a = w(g);
        function g(o) {
            var e, s = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 64, l = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1, u = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 8, t = 4 < arguments.length && void 0 !== arguments[4] && arguments[4];
            O(this, g),
            (e = a.call(this)).type = "TubeBufferGeometry",
            e.parameters = {
                path: o,
                tubularSegments: s,
                radius: l,
                radialSegments: u,
                closed: t
            };
            var c = o.computeFrenetFrames(s, t);
            e.tangents = c.tangents,
            e.normals = c.normals,
            e.binormals = c.binormals;
            var d = new Cn
              , h = new Cn
              , n = new yn
              , p = new Cn
              , f = []
              , m = []
              , i = []
              , v = [];
            function r(e) {
                p = o.getPointAt(e / s, p);
                for (var t = c.normals[e], n = c.binormals[e], i = 0; i <= u; i++) {
                    var r = i / u * Math.PI * 2
                      , a = Math.sin(r)
                      , r = -Math.cos(r);
                    h.x = r * t.x + a * n.x,
                    h.y = r * t.y + a * n.y,
                    h.z = r * t.z + a * n.z,
                    h.normalize(),
                    m.push(h.x, h.y, h.z),
                    d.x = p.x + l * h.x,
                    d.y = p.y + l * h.y,
                    d.z = p.z + l * h.z,
                    f.push(d.x, d.y, d.z)
                }
            }
            return function() {
                for (var e = 0; e < s; e++)
                    r(e);
                r(!1 === t ? s : 0),
                function() {
                    for (var e = 0; e <= s; e++)
                        for (var t = 0; t <= u; t++)
                            n.x = e / s,
                            n.y = t / u,
                            i.push(n.x, n.y)
                }(),
                function() {
                    for (var e = 1; e <= s; e++)
                        for (var t = 1; t <= u; t++) {
                            var n = (u + 1) * (e - 1) + (t - 1)
                              , i = (u + 1) * e + (t - 1)
                              , r = (u + 1) * e + t
                              , a = (u + 1) * (e - 1) + t;
                            v.push(n, i, a),
                            v.push(i, r, a)
                        }
                }()
            }(),
            e.setIndex(v),
            e.setAttribute("position", new dr(f,3)),
            e.setAttribute("normal", new dr(m,3)),
            e.setAttribute("uv", new dr(i,2)),
            e
        }
        return h(g, [{
            key: "toJSON",
            value: function() {
                var e = Mr.prototype.toJSON.call(this);
                return e.path = this.parameters.path.toJSON(),
                e
            }
        }]),
        g
    }()
      , Ou = function() {
        y(l, Sl);
        var s = w(l);
        function l(e, t, n, i, r, a) {
            var o;
            O(this, l),
            (o = s.call(this)).type = "TubeGeometry",
            o.parameters = {
                path: e,
                tubularSegments: t,
                radius: n,
                radialSegments: i,
                closed: r
            },
            void 0 !== a && console.warn("THREE.TubeGeometry: taper has been removed.");
            r = new Iu(e,t,n,i,r);
            return o.tangents = r.tangents,
            o.normals = r.normals,
            o.binormals = r.binormals,
            o.fromBufferGeometry(r),
            o.mergeVertices(),
            o
        }
        return h(l)
    }()
      , zu = function() {
        y(I, Mr);
        var F = w(I);
        function I(e) {
            var t;
            O(this, I),
            (t = F.call(this)).type = "WireframeGeometry";
            var n = []
              , i = [0, 0]
              , r = {}
              , a = ["a", "b", "c"];
            if (e && e.isGeometry) {
                for (var o, s = e.faces, l = 0, u = s.length; l < u; l++)
                    for (var c = s[l], d = 0; d < 3; d++) {
                        var h = c[a[d]]
                          , p = c[a[(d + 1) % 3]];
                        i[0] = Math.min(h, p),
                        i[1] = Math.max(h, p);
                        p = i[0] + "," + i[1];
                        void 0 === r[p] && (r[p] = {
                            index1: i[0],
                            index2: i[1]
                        })
                    }
                for (o in r) {
                    var f = r[o]
                      , m = e.vertices[f.index1];
                    n.push(m.x, m.y, m.z),
                    m = e.vertices[f.index2],
                    n.push(m.x, m.y, m.z)
                }
            } else if (e && e.isBufferGeometry) {
                var v = new Cn;
                if (null !== e.index) {
                    for (var g, y = e.attributes.position, w = e.index, b = e.groups, x = 0, E = (b = 0 === b.length ? [{
                        start: 0,
                        count: w.count,
                        materialIndex: 0
                    }] : b).length; x < E; ++x)
                        for (var _ = b[x], M = _.start, A = M, T = M + _.count; A < T; A += 3)
                            for (var S = 0; S < 3; S++) {
                                var C = w.getX(A + S)
                                  , P = w.getX(A + (S + 1) % 3);
                                i[0] = Math.min(C, P),
                                i[1] = Math.max(C, P);
                                P = i[0] + "," + i[1];
                                void 0 === r[P] && (r[P] = {
                                    index1: i[0],
                                    index2: i[1]
                                })
                            }
                    for (g in r) {
                        var D = r[g];
                        v.fromBufferAttribute(y, D.index1),
                        n.push(v.x, v.y, v.z),
                        v.fromBufferAttribute(y, D.index2),
                        n.push(v.x, v.y, v.z)
                    }
                } else
                    for (var k = e.attributes.position, B = 0, L = k.count / 3; B < L; B++)
                        for (var R = 0; R < 3; R++)
                            v.fromBufferAttribute(k, 3 * B + R),
                            n.push(v.x, v.y, v.z),
                            v.fromBufferAttribute(k, 3 * B + (R + 1) % 3),
                            n.push(v.x, v.y, v.z)
            }
            return t.setAttribute("position", new dr(n,3)),
            t
        }
        return h(I)
    }()
      , Nu = Object.freeze({
        __proto__: null,
        BoxGeometry: Cl,
        BoxBufferGeometry: Wr,
        CircleGeometry: Dl,
        CircleBufferGeometry: Pl,
        ConeGeometry: Ll,
        ConeBufferGeometry: Rl,
        CylinderGeometry: Bl,
        CylinderBufferGeometry: kl,
        DodecahedronGeometry: Ol,
        DodecahedronBufferGeometry: Il,
        EdgesGeometry: Hl,
        ExtrudeGeometry: du,
        ExtrudeBufferGeometry: uu,
        IcosahedronGeometry: pu,
        IcosahedronBufferGeometry: hu,
        LatheGeometry: mu,
        LatheBufferGeometry: fu,
        OctahedronGeometry: gu,
        OctahedronBufferGeometry: vu,
        ParametricGeometry: wu,
        ParametricBufferGeometry: yu,
        PlaneGeometry: bu,
        PlaneBufferGeometry: ua,
        PolyhedronGeometry: xu,
        PolyhedronBufferGeometry: Fl,
        RingGeometry: _u,
        RingBufferGeometry: Eu,
        ShapeGeometry: Au,
        ShapeBufferGeometry: Mu,
        SphereGeometry: Su,
        SphereBufferGeometry: Tu,
        TetrahedronGeometry: Pu,
        TetrahedronBufferGeometry: Cu,
        TextGeometry: ku,
        TextBufferGeometry: Du,
        TorusGeometry: Lu,
        TorusBufferGeometry: Bu,
        TorusKnotGeometry: Fu,
        TorusKnotBufferGeometry: Ru,
        TubeGeometry: Ou,
        TubeBufferGeometry: Iu,
        WireframeGeometry: zu
    });
    function Uu(e) {
        Ki.call(this),
        this.type = "ShadowMaterial",
        this.color = new Yi(0),
        this.transparent = !0,
        this.setValues(e)
    }
    function Gu(e) {
        Qr.call(this, e),
        this.type = "RawShaderMaterial"
    }
    function Hu(e) {
        Ki.call(this),
        this.defines = {
            STANDARD: ""
        },
        this.type = "MeshStandardMaterial",
        this.color = new Yi(16777215),
        this.roughness = 1,
        this.metalness = 0,
        this.map = null,
        this.lightMap = null,
        this.lightMapIntensity = 1,
        this.aoMap = null,
        this.aoMapIntensity = 1,
        this.emissive = new Yi(0),
        this.emissiveIntensity = 1,
        this.emissiveMap = null,
        this.bumpMap = null,
        this.bumpScale = 1,
        this.normalMap = null,
        this.normalMapType = sn,
        this.normalScale = new yn(1,1),
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.roughnessMap = null,
        this.metalnessMap = null,
        this.alphaMap = null,
        this.envMap = null,
        this.envMapIntensity = 1,
        this.refractionRatio = .98,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.wireframeLinecap = "round",
        this.wireframeLinejoin = "round",
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.vertexTangents = !1,
        this.setValues(e)
    }
    function Vu(e) {
        Hu.call(this),
        this.defines = {
            STANDARD: "",
            PHYSICAL: ""
        },
        this.type = "MeshPhysicalMaterial",
        this.clearcoat = 0,
        this.clearcoatMap = null,
        this.clearcoatRoughness = 0,
        this.clearcoatRoughnessMap = null,
        this.clearcoatNormalScale = new yn(1,1),
        this.clearcoatNormalMap = null,
        this.reflectivity = .5,
        Object.defineProperty(this, "ior", {
            get: function() {
                return (1 + .4 * this.reflectivity) / (1 - .4 * this.reflectivity)
            },
            set: function(e) {
                this.reflectivity = gn.clamp(2.5 * (e - 1) / (e + 1), 0, 1)
            }
        }),
        this.sheen = null,
        this.transmission = 0,
        this.transmissionMap = null,
        this.setValues(e)
    }
    function ju(e) {
        Ki.call(this),
        this.type = "MeshPhongMaterial",
        this.color = new Yi(16777215),
        this.specular = new Yi(1118481),
        this.shininess = 30,
        this.map = null,
        this.lightMap = null,
        this.lightMapIntensity = 1,
        this.aoMap = null,
        this.aoMapIntensity = 1,
        this.emissive = new Yi(0),
        this.emissiveIntensity = 1,
        this.emissiveMap = null,
        this.bumpMap = null,
        this.bumpScale = 1,
        this.normalMap = null,
        this.normalMapType = sn,
        this.normalScale = new yn(1,1),
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.specularMap = null,
        this.alphaMap = null,
        this.envMap = null,
        this.combine = k,
        this.reflectivity = 1,
        this.refractionRatio = .98,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.wireframeLinecap = "round",
        this.wireframeLinejoin = "round",
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.setValues(e)
    }
    function Wu(e) {
        Ki.call(this),
        this.defines = {
            TOON: ""
        },
        this.type = "MeshToonMaterial",
        this.color = new Yi(16777215),
        this.map = null,
        this.gradientMap = null,
        this.lightMap = null,
        this.lightMapIntensity = 1,
        this.aoMap = null,
        this.aoMapIntensity = 1,
        this.emissive = new Yi(0),
        this.emissiveIntensity = 1,
        this.emissiveMap = null,
        this.bumpMap = null,
        this.bumpScale = 1,
        this.normalMap = null,
        this.normalMapType = sn,
        this.normalScale = new yn(1,1),
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.alphaMap = null,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.wireframeLinecap = "round",
        this.wireframeLinejoin = "round",
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.setValues(e)
    }
    function Xu(e) {
        Ki.call(this),
        this.type = "MeshNormalMaterial",
        this.bumpMap = null,
        this.bumpScale = 1,
        this.normalMap = null,
        this.normalMapType = sn,
        this.normalScale = new yn(1,1),
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.fog = !1,
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.setValues(e)
    }
    function qu(e) {
        Ki.call(this),
        this.type = "MeshLambertMaterial",
        this.color = new Yi(16777215),
        this.map = null,
        this.lightMap = null,
        this.lightMapIntensity = 1,
        this.aoMap = null,
        this.aoMapIntensity = 1,
        this.emissive = new Yi(0),
        this.emissiveIntensity = 1,
        this.emissiveMap = null,
        this.specularMap = null,
        this.alphaMap = null,
        this.envMap = null,
        this.combine = k,
        this.reflectivity = 1,
        this.refractionRatio = .98,
        this.wireframe = !1,
        this.wireframelineWidth = 1,
        this.wireframeLinecap = "round",
        this.wireframeLinejoin = "round",
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.setValues(e)
    }
    function Ju(e) {
        Ki.call(this),
        this.defines = {
            MATCAP: ""
        },
        this.type = "MeshMatcapMaterial",
        this.color = new Yi(16777215),
        this.matcap = null,
        this.map = null,
        this.bumpMap = null,
        this.bumpScale = 1,
        this.normalMap = null,
        this.normalMapType = sn,
        this.normalScale = new yn(1,1),
        this.displacementMap = null,
        this.displacementScale = 1,
        this.displacementBias = 0,
        this.alphaMap = null,
        this.skinning = !1,
        this.morphTargets = !1,
        this.morphNormals = !1,
        this.setValues(e)
    }
    function Yu(e) {
        tl.call(this),
        this.type = "LineDashedMaterial",
        this.scale = 1,
        this.dashSize = 3,
        this.gapSize = 1,
        this.setValues(e)
    }
    ((Uu.prototype = Object.create(Ki.prototype)).constructor = Uu).prototype.isShadowMaterial = !0,
    Uu.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this
    }
    ,
    ((Gu.prototype = Object.create(Qr.prototype)).constructor = Gu).prototype.isRawShaderMaterial = !0,
    ((Hu.prototype = Object.create(Ki.prototype)).constructor = Hu).prototype.isMeshStandardMaterial = !0,
    Hu.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.defines = {
            STANDARD: ""
        },
        this.color.copy(e.color),
        this.roughness = e.roughness,
        this.metalness = e.metalness,
        this.map = e.map,
        this.lightMap = e.lightMap,
        this.lightMapIntensity = e.lightMapIntensity,
        this.aoMap = e.aoMap,
        this.aoMapIntensity = e.aoMapIntensity,
        this.emissive.copy(e.emissive),
        this.emissiveMap = e.emissiveMap,
        this.emissiveIntensity = e.emissiveIntensity,
        this.bumpMap = e.bumpMap,
        this.bumpScale = e.bumpScale,
        this.normalMap = e.normalMap,
        this.normalMapType = e.normalMapType,
        this.normalScale.copy(e.normalScale),
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.roughnessMap = e.roughnessMap,
        this.metalnessMap = e.metalnessMap,
        this.alphaMap = e.alphaMap,
        this.envMap = e.envMap,
        this.envMapIntensity = e.envMapIntensity,
        this.refractionRatio = e.refractionRatio,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.wireframeLinecap = e.wireframeLinecap,
        this.wireframeLinejoin = e.wireframeLinejoin,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this.vertexTangents = e.vertexTangents,
        this
    }
    ,
    ((Vu.prototype = Object.create(Hu.prototype)).constructor = Vu).prototype.isMeshPhysicalMaterial = !0,
    Vu.prototype.copy = function(e) {
        return Hu.prototype.copy.call(this, e),
        this.defines = {
            STANDARD: "",
            PHYSICAL: ""
        },
        this.clearcoat = e.clearcoat,
        this.clearcoatMap = e.clearcoatMap,
        this.clearcoatRoughness = e.clearcoatRoughness,
        this.clearcoatRoughnessMap = e.clearcoatRoughnessMap,
        this.clearcoatNormalMap = e.clearcoatNormalMap,
        this.clearcoatNormalScale.copy(e.clearcoatNormalScale),
        this.reflectivity = e.reflectivity,
        e.sheen ? this.sheen = (this.sheen || new Yi).copy(e.sheen) : this.sheen = null,
        this.transmission = e.transmission,
        this.transmissionMap = e.transmissionMap,
        this
    }
    ,
    ((ju.prototype = Object.create(Ki.prototype)).constructor = ju).prototype.isMeshPhongMaterial = !0,
    ju.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.specular.copy(e.specular),
        this.shininess = e.shininess,
        this.map = e.map,
        this.lightMap = e.lightMap,
        this.lightMapIntensity = e.lightMapIntensity,
        this.aoMap = e.aoMap,
        this.aoMapIntensity = e.aoMapIntensity,
        this.emissive.copy(e.emissive),
        this.emissiveMap = e.emissiveMap,
        this.emissiveIntensity = e.emissiveIntensity,
        this.bumpMap = e.bumpMap,
        this.bumpScale = e.bumpScale,
        this.normalMap = e.normalMap,
        this.normalMapType = e.normalMapType,
        this.normalScale.copy(e.normalScale),
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.specularMap = e.specularMap,
        this.alphaMap = e.alphaMap,
        this.envMap = e.envMap,
        this.combine = e.combine,
        this.reflectivity = e.reflectivity,
        this.refractionRatio = e.refractionRatio,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.wireframeLinecap = e.wireframeLinecap,
        this.wireframeLinejoin = e.wireframeLinejoin,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this
    }
    ,
    ((Wu.prototype = Object.create(Ki.prototype)).constructor = Wu).prototype.isMeshToonMaterial = !0,
    Wu.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.map = e.map,
        this.gradientMap = e.gradientMap,
        this.lightMap = e.lightMap,
        this.lightMapIntensity = e.lightMapIntensity,
        this.aoMap = e.aoMap,
        this.aoMapIntensity = e.aoMapIntensity,
        this.emissive.copy(e.emissive),
        this.emissiveMap = e.emissiveMap,
        this.emissiveIntensity = e.emissiveIntensity,
        this.bumpMap = e.bumpMap,
        this.bumpScale = e.bumpScale,
        this.normalMap = e.normalMap,
        this.normalMapType = e.normalMapType,
        this.normalScale.copy(e.normalScale),
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.alphaMap = e.alphaMap,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.wireframeLinecap = e.wireframeLinecap,
        this.wireframeLinejoin = e.wireframeLinejoin,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this
    }
    ,
    ((Xu.prototype = Object.create(Ki.prototype)).constructor = Xu).prototype.isMeshNormalMaterial = !0,
    Xu.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.bumpMap = e.bumpMap,
        this.bumpScale = e.bumpScale,
        this.normalMap = e.normalMap,
        this.normalMapType = e.normalMapType,
        this.normalScale.copy(e.normalScale),
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this
    }
    ,
    ((qu.prototype = Object.create(Ki.prototype)).constructor = qu).prototype.isMeshLambertMaterial = !0,
    qu.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.color.copy(e.color),
        this.map = e.map,
        this.lightMap = e.lightMap,
        this.lightMapIntensity = e.lightMapIntensity,
        this.aoMap = e.aoMap,
        this.aoMapIntensity = e.aoMapIntensity,
        this.emissive.copy(e.emissive),
        this.emissiveMap = e.emissiveMap,
        this.emissiveIntensity = e.emissiveIntensity,
        this.specularMap = e.specularMap,
        this.alphaMap = e.alphaMap,
        this.envMap = e.envMap,
        this.combine = e.combine,
        this.reflectivity = e.reflectivity,
        this.refractionRatio = e.refractionRatio,
        this.wireframe = e.wireframe,
        this.wireframelineWidth = e.wireframelineWidth,
        this.wireframeLinecap = e.wireframeLinecap,
        this.wireframeLinejoin = e.wireframeLinejoin,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this
    }
    ,
    ((Ju.prototype = Object.create(Ki.prototype)).constructor = Ju).prototype.isMeshMatcapMaterial = !0,
    Ju.prototype.copy = function(e) {
        return Ki.prototype.copy.call(this, e),
        this.defines = {
            MATCAP: ""
        },
        this.color.copy(e.color),
        this.matcap = e.matcap,
        this.map = e.map,
        this.bumpMap = e.bumpMap,
        this.bumpScale = e.bumpScale,
        this.normalMap = e.normalMap,
        this.normalMapType = e.normalMapType,
        this.normalScale.copy(e.normalScale),
        this.displacementMap = e.displacementMap,
        this.displacementScale = e.displacementScale,
        this.displacementBias = e.displacementBias,
        this.alphaMap = e.alphaMap,
        this.skinning = e.skinning,
        this.morphTargets = e.morphTargets,
        this.morphNormals = e.morphNormals,
        this
    }
    ,
    ((Yu.prototype = Object.create(tl.prototype)).constructor = Yu).prototype.isLineDashedMaterial = !0,
    Yu.prototype.copy = function(e) {
        return tl.prototype.copy.call(this, e),
        this.scale = e.scale,
        this.dashSize = e.dashSize,
        this.gapSize = e.gapSize,
        this
    }
    ;
    var Zu = Object.freeze({
        __proto__: null,
        ShadowMaterial: Uu,
        SpriteMaterial: Es,
        RawShaderMaterial: Gu,
        ShaderMaterial: Qr,
        PointsMaterial: hl,
        MeshPhysicalMaterial: Vu,
        MeshStandardMaterial: Hu,
        MeshPhongMaterial: ju,
        MeshToonMaterial: Wu,
        MeshNormalMaterial: Xu,
        MeshLambertMaterial: qu,
        MeshDepthMaterial: es,
        MeshDistanceMaterial: ts,
        MeshBasicMaterial: $i,
        MeshMatcapMaterial: Ju,
        LineDashedMaterial: Yu,
        LineBasicMaterial: tl,
        Material: Ki
    })
      , Qu = {
        arraySlice: function(e, t, n) {
            return Qu.isTypedArray(e) ? new e.constructor(e.subarray(t, void 0 !== n ? n : e.length)) : e.slice(t, n)
        },
        convertArray: function(e, t, n) {
            return !e || !n && e.constructor === t ? e : "number" == typeof t.BYTES_PER_ELEMENT ? new t(e) : Array.prototype.slice.call(e)
        },
        isTypedArray: function(e) {
            return ArrayBuffer.isView(e) && !(e instanceof DataView)
        },
        getKeyframeOrder: function(n) {
            for (var e = n.length, t = new Array(e), i = 0; i !== e; ++i)
                t[i] = i;
            return t.sort(function(e, t) {
                return n[e] - n[t]
            }),
            t
        },
        sortedArray: function(e, t, n) {
            for (var i = e.length, r = new e.constructor(i), a = 0, o = 0; o !== i; ++a)
                for (var s = n[a] * t, l = 0; l !== t; ++l)
                    r[o++] = e[s + l];
            return r
        },
        flattenJSON: function(e, t, n, i) {
            for (var r = 1, a = e[0]; void 0 !== a && void 0 === a[i]; )
                a = e[r++];
            if (void 0 !== a) {
                var o = a[i];
                if (void 0 !== o)
                    if (Array.isArray(o))
                        for (; void 0 !== (o = a[i]) && (t.push(a.time),
                        n.push.apply(n, o)),
                        void 0 !== (a = e[r++]); )
                            ;
                    else if (void 0 !== o.toArray)
                        for (; void 0 !== (o = a[i]) && (t.push(a.time),
                        o.toArray(n, n.length)),
                        void 0 !== (a = e[r++]); )
                            ;
                    else
                        for (; void 0 !== (o = a[i]) && (t.push(a.time),
                        n.push(o)),
                        void 0 !== (a = e[r++]); )
                            ;
            }
        },
        subclip: function(e, t, n, i) {
            var r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 30
              , a = e.clone();
            a.name = t;
            for (var o = [], s = 0; s < a.tracks.length; ++s) {
                for (var l = a.tracks[s], u = l.getValueSize(), c = [], d = [], h = 0; h < l.times.length; ++h) {
                    var p = l.times[h] * r;
                    if (!(p < n || i <= p)) {
                        c.push(l.times[h]);
                        for (var f = 0; f < u; ++f)
                            d.push(l.values[h * u + f])
                    }
                }
                0 !== c.length && (l.times = Qu.convertArray(c, l.times.constructor),
                l.values = Qu.convertArray(d, l.values.constructor),
                o.push(l))
            }
            a.tracks = o;
            for (var m = 1 / 0, v = 0; v < a.tracks.length; ++v)
                m > a.tracks[v].times[0] && (m = a.tracks[v].times[0]);
            for (var g = 0; g < a.tracks.length; ++g)
                a.tracks[g].shift(-1 * m);
            return a.resetDuration(),
            a
        },
        makeClipAdditive: function(v) {
            for (var e = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, g = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : v, t = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 30, n = g.tracks.length, y = e / (t = t <= 0 ? 30 : t), i = 0; i < n; ++i)
                (function(e) {
                    var t = g.tracks[e]
                      , n = t.ValueTypeName;
                    if ("bool" === n || "string" === n)
                        return;
                    var i = v.tracks.find(function(e) {
                        return e.name === t.name && e.ValueTypeName === n
                    });
                    if (void 0 === i)
                        return;
                    var r = 0
                      , a = t.getValueSize();
                    t.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline && (r = a / 3);
                    var o = 0
                      , s = i.getValueSize();
                    i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline && (o = s / 3);
                    var l, u = t.times.length - 1, c = void 0;
                    c = y <= t.times[0] ? (e = r,
                    Qu.arraySlice(t.values, e, a - r)) : y >= t.times[u] ? Qu.arraySlice(t.values, l = u * a + r, l + a - r) : (a = a - (l = r),
                    (r = t.createInterpolant()).evaluate(y),
                    Qu.arraySlice(r.resultBuffer, l, a)),
                    "quaternion" === n && (new Sn).fromArray(c).normalize().conjugate().toArray(c);
                    for (var d = i.times.length, h = 0; h < d; ++h) {
                        var p = h * s + o;
                        if ("quaternion" === n)
                            Sn.multiplyQuaternionsFlat(i.values, p, c, 0, i.values, p);
                        else
                            for (var f = s - 2 * o, m = 0; m < f; ++m)
                                i.values[p + m] -= c[m]
                    }
                }
                )(i);
            return v.blendMode = 2501,
            v
        }
    };
    function Ku(e, t, n, i) {
        this.parameterPositions = e,
        this._cachedIndex = 0,
        this.resultBuffer = void 0 !== i ? i : new t.constructor(n),
        this.sampleValues = t,
        this.valueSize = n
    }
    function $u(e, t, n, i) {
        Ku.call(this, e, t, n, i),
        this._weightPrev = -0,
        this._offsetPrev = -0,
        this._weightNext = -0,
        this._offsetNext = -0
    }
    function ec(e, t, n, i) {
        Ku.call(this, e, t, n, i)
    }
    function tc(e, t, n, i) {
        Ku.call(this, e, t, n, i)
    }
    function nc(e, t, n, i) {
        if (void 0 === e)
            throw new Error("THREE.KeyframeTrack: track name is undefined");
        if (void 0 === t || 0 === t.length)
            throw new Error("THREE.KeyframeTrack: no keyframes in track named " + e);
        this.name = e,
        this.times = Qu.convertArray(t, this.TimeBufferType),
        this.values = Qu.convertArray(n, this.ValueBufferType),
        this.setInterpolation(i || this.DefaultInterpolation)
    }
    function ic(e, t, n) {
        nc.call(this, e, t, n)
    }
    function rc(e, t, n, i) {
        nc.call(this, e, t, n, i)
    }
    function ac(e, t, n, i) {
        nc.call(this, e, t, n, i)
    }
    function oc(e, t, n, i) {
        Ku.call(this, e, t, n, i)
    }
    function sc(e, t, n, i) {
        nc.call(this, e, t, n, i)
    }
    function lc(e, t, n, i) {
        nc.call(this, e, t, n, i)
    }
    function uc(e, t, n, i) {
        nc.call(this, e, t, n, i)
    }
    function cc(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : -1
          , n = 2 < arguments.length ? arguments[2] : void 0
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 2500;
        this.name = e,
        this.tracks = n,
        this.duration = t,
        this.blendMode = i,
        this.uuid = gn.generateUUID(),
        this.duration < 0 && this.resetDuration()
    }
    function dc(e) {
        if (void 0 === e.type)
            throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");
        var t, n, i = function(e) {
            switch (e.toLowerCase()) {
            case "scalar":
            case "double":
            case "float":
            case "number":
            case "integer":
                return ac;
            case "vector":
            case "vector2":
            case "vector3":
            case "vector4":
                return uc;
            case "color":
                return rc;
            case "quaternion":
                return sc;
            case "bool":
            case "boolean":
                return ic;
            case "string":
                return lc
            }
            throw new Error("THREE.KeyframeTrack: Unsupported typeName: " + e)
        }(e.type);
        return void 0 === e.times && (Qu.flattenJSON(e.keys, t = [], n = [], "value"),
        e.times = t,
        e.values = n),
        void 0 !== i.parse ? i.parse(e) : new i(e.name,e.times,e.values,e.interpolation)
    }
    Object.assign(Ku.prototype, {
        evaluate: function(e) {
            var t, n = this.parameterPositions, i = this._cachedIndex, r = n[i], a = n[i - 1];
            e: {
                t: {
                    n: {
                        i: if (!(e < r)) {
                            for (var o = i + 2; ; ) {
                                if (void 0 === r) {
                                    if (e < a)
                                        break i;
                                    return i = n.length,
                                    this._cachedIndex = i,
                                    this.afterEnd_(i - 1, e, a)
                                }
                                if (i === o)
                                    break;
                                if (a = r,
                                e < (r = n[++i]))
                                    break t
                            }
                            t = n.length;
                            break n
                        }
                        if (a <= e)
                            break e;
                        var s = n[1];
                        e < s && (i = 2,
                        a = s);
                        for (var l = i - 2; ; ) {
                            if (void 0 === a)
                                return this._cachedIndex = 0,
                                this.beforeStart_(0, e, r);
                            if (i === l)
                                break;
                            if (r = a,
                            (a = n[--i - 1]) <= e)
                                break t
                        }
                        t = i,
                        i = 0
                    }
                    for (; i < t; ) {
                        var u = i + t >>> 1;
                        e < n[u] ? t = u : i = 1 + u
                    }
                    if (r = n[i],
                    void 0 === (a = n[i - 1]))
                        return this._cachedIndex = 0,
                        this.beforeStart_(0, e, r);
                    if (void 0 === r)
                        return i = n.length,
                        this._cachedIndex = i,
                        this.afterEnd_(i - 1, a, e)
                }
                this._cachedIndex = i,
                this.intervalChanged_(i, a, r)
            }
            return this.interpolate_(i, a, e, r)
        },
        settings: null,
        DefaultSettings_: {},
        getSettings_: function() {
            return this.settings || this.DefaultSettings_
        },
        copySampleValue_: function(e) {
            for (var t = this.resultBuffer, n = this.sampleValues, i = this.valueSize, r = e * i, a = 0; a !== i; ++a)
                t[a] = n[r + a];
            return t
        },
        interpolate_: function() {
            throw new Error("call to abstract method")
        },
        intervalChanged_: function() {}
    }),
    Object.assign(Ku.prototype, {
        beforeStart_: Ku.prototype.copySampleValue_,
        afterEnd_: Ku.prototype.copySampleValue_
    }),
    $u.prototype = Object.assign(Object.create(Ku.prototype), {
        constructor: $u,
        DefaultSettings_: {
            endingStart: en,
            endingEnd: en
        },
        intervalChanged_: function(e, t, n) {
            var i = this.parameterPositions
              , r = e - 2
              , a = e + 1
              , o = i[r]
              , s = i[a];
            if (void 0 === o)
                switch (this.getSettings_().endingStart) {
                case tn:
                    r = e,
                    o = 2 * t - n;
                    break;
                case nn:
                    o = t + i[r = i.length - 2] - i[r + 1];
                    break;
                default:
                    r = e,
                    o = n
                }
            if (void 0 === s)
                switch (this.getSettings_().endingEnd) {
                case tn:
                    a = e,
                    s = 2 * n - t;
                    break;
                case nn:
                    s = n + i[a = 1] - i[0];
                    break;
                default:
                    a = e - 1,
                    s = t
                }
            var l = .5 * (n - t)
              , u = this.valueSize;
            this._weightPrev = l / (t - o),
            this._weightNext = l / (s - n),
            this._offsetPrev = r * u,
            this._offsetNext = a * u
        },
        interpolate_: function(e, t, n, i) {
            for (var r = this.resultBuffer, a = this.sampleValues, o = this.valueSize, s = e * o, l = s - o, u = this._offsetPrev, c = this._offsetNext, d = this._weightPrev, e = this._weightNext, n = (n - t) / (i - t), i = n * n, t = i * n, h = -d * t + 2 * d * i - d * n, p = (1 + d) * t + (-1.5 - 2 * d) * i + (-.5 + d) * n + 1, f = (-1 - e) * t + (1.5 + e) * i + .5 * n, m = e * t - e * i, v = 0; v !== o; ++v)
                r[v] = h * a[u + v] + p * a[l + v] + f * a[s + v] + m * a[c + v];
            return r
        }
    }),
    ec.prototype = Object.assign(Object.create(Ku.prototype), {
        constructor: ec,
        interpolate_: function(e, t, n, i) {
            for (var r = this.resultBuffer, a = this.sampleValues, o = this.valueSize, s = e * o, l = s - o, u = (n - t) / (i - t), c = 1 - u, d = 0; d !== o; ++d)
                r[d] = a[l + d] * c + a[s + d] * u;
            return r
        }
    }),
    tc.prototype = Object.assign(Object.create(Ku.prototype), {
        constructor: tc,
        interpolate_: function(e) {
            return this.copySampleValue_(e - 1)
        }
    }),
    Object.assign(nc, {
        toJSON: function(e) {
            var t, n = e.constructor;
            return void 0 !== n.toJSON ? t = n.toJSON(e) : (t = {
                name: e.name,
                times: Qu.convertArray(e.times, Array),
                values: Qu.convertArray(e.values, Array)
            },
            (n = e.getInterpolation()) !== e.DefaultInterpolation && (t.interpolation = n)),
            t.type = e.ValueTypeName,
            t
        }
    }),
    Object.assign(nc.prototype, {
        constructor: nc,
        TimeBufferType: Float32Array,
        ValueBufferType: Float32Array,
        DefaultInterpolation: $t,
        InterpolantFactoryMethodDiscrete: function(e) {
            return new tc(this.times,this.values,this.getValueSize(),e)
        },
        InterpolantFactoryMethodLinear: function(e) {
            return new ec(this.times,this.values,this.getValueSize(),e)
        },
        InterpolantFactoryMethodSmooth: function(e) {
            return new $u(this.times,this.values,this.getValueSize(),e)
        },
        setInterpolation: function(e) {
            var t;
            switch (e) {
            case Kt:
                t = this.InterpolantFactoryMethodDiscrete;
                break;
            case $t:
                t = this.InterpolantFactoryMethodLinear;
                break;
            case 2302:
                t = this.InterpolantFactoryMethodSmooth
            }
            if (void 0 !== t)
                return this.createInterpolant = t,
                this;
            var n = "unsupported interpolation for " + this.ValueTypeName + " keyframe track named " + this.name;
            if (void 0 === this.createInterpolant) {
                if (e === this.DefaultInterpolation)
                    throw new Error(n);
                this.setInterpolation(this.DefaultInterpolation)
            }
            return console.warn("THREE.KeyframeTrack:", n),
            this
        },
        getInterpolation: function() {
            switch (this.createInterpolant) {
            case this.InterpolantFactoryMethodDiscrete:
                return Kt;
            case this.InterpolantFactoryMethodLinear:
                return $t;
            case this.InterpolantFactoryMethodSmooth:
                return 2302
            }
        },
        getValueSize: function() {
            return this.values.length / this.times.length
        },
        shift: function(e) {
            if (0 !== e)
                for (var t = this.times, n = 0, i = t.length; n !== i; ++n)
                    t[n] += e;
            return this
        },
        scale: function(e) {
            if (1 !== e)
                for (var t = this.times, n = 0, i = t.length; n !== i; ++n)
                    t[n] *= e;
            return this
        },
        trim: function(e, t) {
            for (var n, i = this.times, r = i.length, a = 0, o = r - 1; a !== r && i[a] < e; )
                ++a;
            for (; -1 !== o && i[o] > t; )
                --o;
            return ++o,
            0 === a && o === r || (o <= a && (a = (o = Math.max(o, 1)) - 1),
            n = this.getValueSize(),
            this.times = Qu.arraySlice(i, a, o),
            this.values = Qu.arraySlice(this.values, a * n, o * n)),
            this
        },
        validate: function() {
            var e = !0
              , t = this.getValueSize();
            t - Math.floor(t) != 0 && (console.error("THREE.KeyframeTrack: Invalid value size in track.", this),
            e = !1);
            var n = this.times
              , i = this.values
              , r = n.length;
            0 === r && (console.error("THREE.KeyframeTrack: Track is empty.", this),
            e = !1);
            for (var a = null, o = 0; o !== r; o++) {
                var s = n[o];
                if ("number" == typeof s && isNaN(s)) {
                    console.error("THREE.KeyframeTrack: Time is not a valid number.", this, o, s),
                    e = !1;
                    break
                }
                if (null !== a && s < a) {
                    console.error("THREE.KeyframeTrack: Out of order keys.", this, o, s, a),
                    e = !1;
                    break
                }
                a = s
            }
            if (void 0 !== i && Qu.isTypedArray(i))
                for (var l = 0, u = i.length; l !== u; ++l) {
                    var c = i[l];
                    if (isNaN(c)) {
                        console.error("THREE.KeyframeTrack: Value is not a valid number.", this, l, c),
                        e = !1;
                        break
                    }
                }
            return e
        },
        optimize: function() {
            for (var e = Qu.arraySlice(this.times), t = Qu.arraySlice(this.values), n = this.getValueSize(), i = 2302 === this.getInterpolation(), r = e.length - 1, a = 1, o = 1; o < r; ++o) {
                var s = !1
                  , l = e[o];
                if (l !== e[o + 1] && (1 !== o || l !== l[0]))
                    if (i)
                        s = !0;
                    else
                        for (var u = o * n, c = u - n, d = u + n, h = 0; h !== n; ++h) {
                            var p = t[u + h];
                            if (p !== t[c + h] || p !== t[d + h]) {
                                s = !0;
                                break
                            }
                        }
                if (s) {
                    if (o !== a) {
                        e[a] = e[o];
                        for (var f = o * n, m = a * n, v = 0; v !== n; ++v)
                            t[m + v] = t[f + v]
                    }
                    ++a
                }
            }
            if (0 < r) {
                e[a] = e[r];
                for (var g = r * n, y = a * n, w = 0; w !== n; ++w)
                    t[y + w] = t[g + w];
                ++a
            }
            return a !== e.length ? (this.times = Qu.arraySlice(e, 0, a),
            this.values = Qu.arraySlice(t, 0, a * n)) : (this.times = e,
            this.values = t),
            this
        },
        clone: function() {
            var e = Qu.arraySlice(this.times, 0)
              , t = Qu.arraySlice(this.values, 0)
              , t = new this.constructor(this.name,e,t);
            return t.createInterpolant = this.createInterpolant,
            t
        }
    }),
    ic.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: ic,
        ValueTypeName: "bool",
        ValueBufferType: Array,
        DefaultInterpolation: Kt,
        InterpolantFactoryMethodLinear: void 0,
        InterpolantFactoryMethodSmooth: void 0
    }),
    rc.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: rc,
        ValueTypeName: "color"
    }),
    ac.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: ac,
        ValueTypeName: "number"
    }),
    oc.prototype = Object.assign(Object.create(Ku.prototype), {
        constructor: oc,
        interpolate_: function(e, t, n, i) {
            for (var r = this.resultBuffer, a = this.sampleValues, o = this.valueSize, s = (n - t) / (i - t), l = e * o, u = l + o; l !== u; l += 4)
                Sn.slerpFlat(r, 0, a, l - o, a, l, s);
            return r
        }
    }),
    sc.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: sc,
        ValueTypeName: "quaternion",
        DefaultInterpolation: $t,
        InterpolantFactoryMethodLinear: function(e) {
            return new oc(this.times,this.values,this.getValueSize(),e)
        },
        InterpolantFactoryMethodSmooth: void 0
    }),
    lc.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: lc,
        ValueTypeName: "string",
        ValueBufferType: Array,
        DefaultInterpolation: Kt,
        InterpolantFactoryMethodLinear: void 0,
        InterpolantFactoryMethodSmooth: void 0
    }),
    uc.prototype = Object.assign(Object.create(nc.prototype), {
        constructor: uc,
        ValueTypeName: "vector"
    }),
    Object.assign(cc, {
        parse: function(e) {
            for (var t = [], n = e.tracks, i = 1 / (e.fps || 1), r = 0, a = n.length; r !== a; ++r)
                t.push(dc(n[r]).scale(i));
            var o = new cc(e.name,e.duration,t,e.blendMode);
            return o.uuid = e.uuid,
            o
        },
        toJSON: function(e) {
            for (var t = [], n = e.tracks, e = {
                name: e.name,
                duration: e.duration,
                tracks: t,
                uuid: e.uuid,
                blendMode: e.blendMode
            }, i = 0, r = n.length; i !== r; ++i)
                t.push(nc.toJSON(n[i]));
            return e
        },
        CreateFromMorphTargetSequence: function(e, t, n, i) {
            for (var r = t.length, a = [], o = 0; o < r; o++) {
                var s = [];
                (u = []).push((o + r - 1) % r, o, (o + 1) % r),
                s.push(0, 1, 0);
                var l = Qu.getKeyframeOrder(u)
                  , u = Qu.sortedArray(u, 1, l)
                  , s = Qu.sortedArray(s, 1, l);
                i || 0 !== u[0] || (u.push(r),
                s.push(s[0])),
                a.push(new ac(".morphTargetInfluences[" + t[o].name + "]",u,s).scale(1 / n))
            }
            return new cc(e,-1,a)
        },
        findByName: function(e, t) {
            var n = e;
            Array.isArray(e) || (n = e.geometry && e.geometry.animations || e.animations);
            for (var i = 0; i < n.length; i++)
                if (n[i].name === t)
                    return n[i];
            return null
        },
        CreateClipsFromMorphTargetSequences: function(e, t, n) {
            for (var i = {}, r = /^([\w-]*?)([\d]+)$/, a = 0, o = e.length; a < o; a++) {
                var s, l = e[a], u = l.name.match(r);
                u && 1 < u.length && ((u = i[s = u[1]]) || (i[s] = u = []),
                u.push(l))
            }
            var c, d = [];
            for (c in i)
                d.push(cc.CreateFromMorphTargetSequence(c, i[c], t, n));
            return d
        },
        parseAnimation: function(e, t) {
            if (!e)
                return console.error("THREE.AnimationClip: No animation in JSONLoader data."),
                null;
            for (var n = function(e, t, n, i, r) {
                var a;
                0 !== n.length && (Qu.flattenJSON(n, a = [], n = [], i),
                0 !== a.length && r.push(new e(t,a,n)))
            }, i = [], r = e.name || "default", a = e.fps || 30, o = e.blendMode, s = e.length || -1, l = e.hierarchy || [], u = 0; u < l.length; u++) {
                var c = l[u].keys;
                if (c && 0 !== c.length)
                    if (c[0].morphTargets) {
                        for (var d, h = {}, p = void 0, p = 0; p < c.length; p++)
                            if (c[p].morphTargets)
                                for (var f = 0; f < c[p].morphTargets.length; f++)
                                    h[c[p].morphTargets[f]] = -1;
                        for (d in h) {
                            for (var m = [], v = [], g = 0; g !== c[p].morphTargets.length; ++g) {
                                var y = c[p];
                                m.push(y.time),
                                v.push(y.morphTarget === d ? 1 : 0)
                            }
                            i.push(new ac(".morphTargetInfluence[" + d + "]",m,v))
                        }
                        s = h.length * (a || 1)
                    } else {
                        var w = ".bones[" + t[u].name + "]";
                        n(uc, w + ".position", c, "pos", i),
                        n(sc, w + ".quaternion", c, "rot", i),
                        n(uc, w + ".scale", c, "scl", i)
                    }
            }
            return 0 === i.length ? null : new cc(r,s,i,o)
        }
    }),
    Object.assign(cc.prototype, {
        resetDuration: function() {
            for (var e = 0, t = 0, n = this.tracks.length; t !== n; ++t)
                var i = this.tracks[t]
                  , e = Math.max(e, i.times[i.times.length - 1]);
            return this.duration = e,
            this
        },
        trim: function() {
            for (var e = 0; e < this.tracks.length; e++)
                this.tracks[e].trim(0, this.duration);
            return this
        },
        validate: function() {
            for (var e = !0, t = 0; t < this.tracks.length; t++)
                e = e && this.tracks[t].validate();
            return e
        },
        optimize: function() {
            for (var e = 0; e < this.tracks.length; e++)
                this.tracks[e].optimize();
            return this
        },
        clone: function() {
            for (var e = [], t = 0; t < this.tracks.length; t++)
                e.push(this.tracks[t].clone());
            return new cc(this.name,this.duration,e,this.blendMode)
        },
        toJSON: function() {
            return cc.toJSON(this)
        }
    });
    var hc = {
        enabled: !1,
        files: {},
        add: function(e, t) {
            !1 !== this.enabled && (this.files[e] = t)
        },
        get: function(e) {
            if (!1 !== this.enabled)
                return this.files[e]
        },
        remove: function(e) {
            delete this.files[e]
        },
        clear: function() {
            this.files = {}
        }
    };
    function pc(e, t, n) {
        var i = this
          , r = !1
          , a = 0
          , o = 0
          , s = void 0
          , l = [];
        this.onStart = void 0,
        this.onLoad = e,
        this.onProgress = t,
        this.onError = n,
        this.itemStart = function(e) {
            o++,
            !1 === r && void 0 !== i.onStart && i.onStart(e, a, o),
            r = !0
        }
        ,
        this.itemEnd = function(e) {
            a++,
            void 0 !== i.onProgress && i.onProgress(e, a, o),
            a === o && (r = !1,
            void 0 !== i.onLoad && i.onLoad())
        }
        ,
        this.itemError = function(e) {
            void 0 !== i.onError && i.onError(e)
        }
        ,
        this.resolveURL = function(e) {
            return s ? s(e) : e
        }
        ,
        this.setURLModifier = function(e) {
            return s = e,
            this
        }
        ,
        this.addHandler = function(e, t) {
            return l.push(e, t),
            this
        }
        ,
        this.removeHandler = function(e) {
            e = l.indexOf(e);
            return -1 !== e && l.splice(e, 2),
            this
        }
        ,
        this.getHandler = function(e) {
            for (var t = 0, n = l.length; t < n; t += 2) {
                var i = l[t]
                  , r = l[t + 1];
                if (i.global && (i.lastIndex = 0),
                i.test(e))
                    return r
            }
            return null
        }
    }
    var fc = new pc;
    function mc(e) {
        this.manager = void 0 !== e ? e : fc,
        this.crossOrigin = "anonymous",
        this.withCredentials = !1,
        this.path = "",
        this.resourcePath = "",
        this.requestHeader = {}
    }
    Object.assign(mc.prototype, {
        load: function() {},
        loadAsync: function(n, i) {
            var r = this;
            return new Promise(function(e, t) {
                r.load(n, e, i, t)
            }
            )
        },
        parse: function() {},
        setCrossOrigin: function(e) {
            return this.crossOrigin = e,
            this
        },
        setWithCredentials: function(e) {
            return this.withCredentials = e,
            this
        },
        setPath: function(e) {
            return this.path = e,
            this
        },
        setResourcePath: function(e) {
            return this.resourcePath = e,
            this
        },
        setRequestHeader: function(e) {
            return this.requestHeader = e,
            this
        }
    });
    var vc = {};
    function gc(e) {
        mc.call(this, e)
    }
    function yc(e) {
        mc.call(this, e)
    }
    function wc(e) {
        mc.call(this, e)
    }
    function bc(e) {
        mc.call(this, e)
    }
    function xc(e) {
        mc.call(this, e)
    }
    function Ec(e) {
        mc.call(this, e)
    }
    function _c(e) {
        mc.call(this, e)
    }
    function Mc() {
        this.type = "Curve",
        this.arcLengthDivisions = 200
    }
    function Ac(e, t, n, i, r, a, o, s) {
        Mc.call(this),
        this.type = "EllipseCurve",
        this.aX = e || 0,
        this.aY = t || 0,
        this.xRadius = n || 1,
        this.yRadius = i || 1,
        this.aStartAngle = r || 0,
        this.aEndAngle = a || 2 * Math.PI,
        this.aClockwise = o || !1,
        this.aRotation = s || 0
    }
    function Tc(e, t, n, i, r, a) {
        Ac.call(this, e, t, n, n, i, r, a),
        this.type = "ArcCurve"
    }
    function Sc() {
        var r = 0
          , a = 0
          , o = 0
          , s = 0;
        function l(e, t, n, i) {
            o = -3 * (r = e) + 3 * t - 2 * (a = n) - i,
            s = 2 * e - 2 * t + n + i
        }
        return {
            initCatmullRom: function(e, t, n, i, r) {
                l(t, n, r * (n - e), r * (i - t))
            },
            initNonuniformCatmullRom: function(e, t, n, i, r, a, o) {
                r = (t - e) / r - (n - e) / (r + a) + (n - t) / a,
                o = (n - t) / a - (i - t) / (a + o) + (i - n) / o;
                l(t, n, r *= a, o *= a)
            },
            calc: function(e) {
                var t = e * e;
                return r + a * e + o * t + s * (t * e)
            }
        }
    }
    gc.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: gc,
        load: function(u, e, t, n) {
            void 0 === u && (u = ""),
            void 0 !== this.path && (u = this.path + u),
            u = this.manager.resolveURL(u);
            var c = this
              , i = hc.get(u);
            if (void 0 !== i)
                return c.manager.itemStart(u),
                setTimeout(function() {
                    e && e(i),
                    c.manager.itemEnd(u)
                }, 0),
                i;
            if (void 0 === vc[u]) {
                var r, a = u.match(/^data:(.*?)(;base64)?,(.*)$/);
                if (a) {
                    var o = a[1]
                      , s = !!a[2]
                      , l = a[3]
                      , l = decodeURIComponent(l);
                    s && (l = atob(l));
                    try {
                        var d = (this.responseType || "").toLowerCase();
                        switch (d) {
                        case "arraybuffer":
                        case "blob":
                            for (var h = new Uint8Array(l.length), p = 0; p < l.length; p++)
                                h[p] = l.charCodeAt(p);
                            f = "blob" === d ? new Blob([h.buffer],{
                                type: o
                            }) : h.buffer;
                            break;
                        case "document":
                            var f = (new DOMParser).parseFromString(l, o);
                            break;
                        case "json":
                            f = JSON.parse(l);
                            break;
                        default:
                            f = l
                        }
                        setTimeout(function() {
                            e && e(f),
                            c.manager.itemEnd(u)
                        }, 0)
                    } catch (e) {
                        setTimeout(function() {
                            n && n(e),
                            c.manager.itemError(u),
                            c.manager.itemEnd(u)
                        }, 0)
                    }
                } else {
                    for (var m in vc[u] = [],
                    vc[u].push({
                        onLoad: e,
                        onProgress: t,
                        onError: n
                    }),
                    (r = new XMLHttpRequest).open("GET", u, !0),
                    r.addEventListener("load", function(e) {
                        var t = this.response
                          , n = vc[u];
                        if (delete vc[u],
                        200 === this.status || 0 === this.status) {
                            0 === this.status && console.warn("THREE.FileLoader: HTTP Status 0 received."),
                            hc.add(u, t);
                            for (var i = 0, r = n.length; i < r; i++) {
                                var a = n[i];
                                a.onLoad && a.onLoad(t, e.total)
                            }
                            c.manager.itemEnd(u)
                        } else {
                            for (var o = 0, s = n.length; o < s; o++) {
                                var l = n[o];
                                l.onError && l.onError(e)
                            }
                            c.manager.itemError(u),
                            c.manager.itemEnd(u)
                        }
                    }, !1),
                    r.addEventListener("progress", function(e) {
                        for (var t = vc[u], n = 0, i = t.length; n < i; n++) {
                            var r = t[n];
                            r.onProgress && r.onProgress(e)
                        }
                    }, !1),
                    r.addEventListener("error", function(e) {
                        var t = vc[u];
                        delete vc[u];
                        for (var n = 0, i = t.length; n < i; n++) {
                            var r = t[n];
                            r.onError && r.onError(e)
                        }
                        c.manager.itemError(u),
                        c.manager.itemEnd(u)
                    }, !1),
                    r.addEventListener("abort", function(e) {
                        var t = vc[u];
                        delete vc[u];
                        for (var n = 0, i = t.length; n < i; n++) {
                            var r = t[n];
                            r.onError && r.onError(e)
                        }
                        c.manager.itemError(u),
                        c.manager.itemEnd(u)
                    }, !1),
                    void 0 !== this.responseType && (r.responseType = this.responseType),
                    void 0 !== this.withCredentials && (r.withCredentials = this.withCredentials),
                    r.overrideMimeType && r.overrideMimeType(void 0 !== this.mimeType ? this.mimeType : "text/plain"),
                    this.requestHeader)
                        r.setRequestHeader(m, this.requestHeader[m]);
                    r.send(null)
                }
                return c.manager.itemStart(u),
                r
            }
            vc[u].push({
                onLoad: e,
                onProgress: t,
                onError: n
            })
        },
        setResponseType: function(e) {
            return this.responseType = e,
            this
        },
        setMimeType: function(e) {
            return this.mimeType = e,
            this
        }
    }),
    yc.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: yc,
        load: function(t, n, e, i) {
            var r = this
              , a = new gc(r.manager);
            a.setPath(r.path),
            a.setRequestHeader(r.requestHeader),
            a.setWithCredentials(r.withCredentials),
            a.load(t, function(e) {
                try {
                    n(r.parse(JSON.parse(e)))
                } catch (e) {
                    i ? i(e) : console.error(e),
                    r.manager.itemError(t)
                }
            }, e, i)
        },
        parse: function(e) {
            for (var t = [], n = 0; n < e.length; n++) {
                var i = cc.parse(e[n]);
                t.push(i)
            }
            return t
        }
    }),
    wc.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: wc,
        load: function(e, a, n, i) {
            var o = this
              , s = []
              , l = new bl
              , r = new gc(this.manager);
            r.setPath(this.path),
            r.setResponseType("arraybuffer"),
            r.setRequestHeader(this.requestHeader),
            r.setWithCredentials(o.withCredentials);
            var u = 0;
            if (Array.isArray(e))
                for (var t = 0, c = e.length; t < c; ++t)
                    !function(t) {
                        r.load(e[t], function(e) {
                            e = o.parse(e, !0);
                            s[t] = {
                                width: e.width,
                                height: e.height,
                                format: e.format,
                                mipmaps: e.mipmaps
                            },
                            6 === (u += 1) && (1 === e.mipmapCount && (l.minFilter = Oe),
                            l.image = s,
                            l.format = e.format,
                            l.needsUpdate = !0,
                            a && a(l))
                        }, n, i)
                    }(t);
            else
                r.load(e, function(e) {
                    var t = o.parse(e, !0);
                    if (t.isCubemap) {
                        for (var n = t.mipmaps.length / t.mipmapCount, i = 0; i < n; i++) {
                            s[i] = {
                                mipmaps: []
                            };
                            for (var r = 0; r < t.mipmapCount; r++)
                                s[i].mipmaps.push(t.mipmaps[i * t.mipmapCount + r]),
                                s[i].format = t.format,
                                s[i].width = t.width,
                                s[i].height = t.height
                        }
                        l.image = s
                    } else
                        l.image.width = t.width,
                        l.image.height = t.height,
                        l.mipmaps = t.mipmaps;
                    1 === t.mipmapCount && (l.minFilter = Oe),
                    l.format = t.format,
                    l.needsUpdate = !0,
                    a && a(l)
                }, n, i);
            return l
        }
    }),
    bc.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: bc,
        load: function(t, e, n, i) {
            void 0 !== this.path && (t = this.path + t),
            t = this.manager.resolveURL(t);
            var r = this
              , a = hc.get(t);
            if (void 0 !== a)
                return r.manager.itemStart(t),
                setTimeout(function() {
                    e && e(a),
                    r.manager.itemEnd(t)
                }, 0),
                a;
            var o = document.createElementNS("http://www.w3.org/1999/xhtml", "img");
            function s() {
                o.removeEventListener("load", s, !1),
                o.removeEventListener("error", l, !1),
                hc.add(t, this),
                e && e(this),
                r.manager.itemEnd(t)
            }
            function l(e) {
                o.removeEventListener("load", s, !1),
                o.removeEventListener("error", l, !1),
                i && i(e),
                r.manager.itemError(t),
                r.manager.itemEnd(t)
            }
            return o.addEventListener("load", s, !1),
            o.addEventListener("error", l, !1),
            "data:" !== t.substr(0, 5) && void 0 !== this.crossOrigin && (o.crossOrigin = this.crossOrigin),
            r.manager.itemStart(t),
            o.src = t,
            o
        }
    }),
    xc.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: xc,
        load: function(e, n, t, i) {
            var r = new ta
              , a = new bc(this.manager);
            a.setCrossOrigin(this.crossOrigin),
            a.setPath(this.path);
            var o = 0;
            for (var s = 0; s < e.length; ++s)
                !function(t) {
                    a.load(e[t], function(e) {
                        r.images[t] = e,
                        6 === ++o && (r.needsUpdate = !0,
                        n && n(r))
                    }, void 0, i)
                }(s);
            return r
        }
    }),
    Ec.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: Ec,
        load: function(e, t, n, i) {
            var r = this
              , a = new ia
              , o = new gc(this.manager);
            return o.setResponseType("arraybuffer"),
            o.setRequestHeader(this.requestHeader),
            o.setPath(this.path),
            o.setWithCredentials(r.withCredentials),
            o.load(e, function(e) {
                e = r.parse(e);
                e && (void 0 !== e.image ? a.image = e.image : void 0 !== e.data && (a.image.width = e.width,
                a.image.height = e.height,
                a.image.data = e.data),
                a.wrapS = void 0 !== e.wrapS ? e.wrapS : Be,
                a.wrapT = void 0 !== e.wrapT ? e.wrapT : Be,
                a.magFilter = void 0 !== e.magFilter ? e.magFilter : Oe,
                a.minFilter = void 0 !== e.minFilter ? e.minFilter : Oe,
                a.anisotropy = void 0 !== e.anisotropy ? e.anisotropy : 1,
                void 0 !== e.format && (a.format = e.format),
                void 0 !== e.type && (a.type = e.type),
                void 0 !== e.mipmaps && (a.mipmaps = e.mipmaps,
                a.minFilter = Ne),
                1 === e.mipmapCount && (a.minFilter = Oe),
                a.needsUpdate = !0,
                t && t(a, e))
            }, n, i),
            a
        }
    }),
    _c.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: _c,
        load: function(t, n, e, i) {
            var r = new En
              , a = new bc(this.manager);
            return a.setCrossOrigin(this.crossOrigin),
            a.setPath(this.path),
            a.load(t, function(e) {
                r.image = e;
                e = 0 < t.search(/\.jpe?g($|\?)/i) || 0 === t.search(/^data\:image\/jpeg/);
                r.format = e ? $e : et,
                r.needsUpdate = !0,
                void 0 !== n && n(r)
            }, e, i),
            r
        }
    }),
    Object.assign(Mc.prototype, {
        getPoint: function() {
            return console.warn("THREE.Curve: .getPoint() not implemented."),
            null
        },
        getPointAt: function(e, t) {
            e = this.getUtoTmapping(e);
            return this.getPoint(e, t)
        },
        getPoints: function() {
            for (var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 5, t = [], n = 0; n <= e; n++)
                t.push(this.getPoint(n / e));
            return t
        },
        getSpacedPoints: function() {
            for (var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 5, t = [], n = 0; n <= e; n++)
                t.push(this.getPointAt(n / e));
            return t
        },
        getLength: function() {
            var e = this.getLengths();
            return e[e.length - 1]
        },
        getLengths: function(e) {
            if (void 0 === e && (e = this.arcLengthDivisions),
            this.cacheArcLengths && this.cacheArcLengths.length === e + 1 && !this.needsUpdate)
                return this.cacheArcLengths;
            this.needsUpdate = !1;
            var t, n = [], i = this.getPoint(0), r = 0;
            n.push(0);
            for (var a = 1; a <= e; a++)
                r += (t = this.getPoint(a / e)).distanceTo(i),
                n.push(r),
                i = t;
            return this.cacheArcLengths = n
        },
        updateArcLengths: function() {
            this.needsUpdate = !0,
            this.getLengths()
        },
        getUtoTmapping: function(e, t) {
            for (var n, i = this.getLengths(), r = 0, a = i.length, o = t || e * i[a - 1], s = 0, l = a - 1; s <= l; )
                if ((n = i[r = Math.floor(s + (l - s) / 2)] - o) < 0)
                    s = r + 1;
                else {
                    if (!(0 < n)) {
                        l = r;
                        break
                    }
                    l = r - 1
                }
            if (i[r = l] === o)
                return r / (a - 1);
            e = i[r];
            return (r + (o - e) / (i[r + 1] - e)) / (a - 1)
        },
        getTangent: function(e, t) {
            var n = e - 1e-4
              , e = e + 1e-4;
            1 < e && (e = 1);
            n = this.getPoint(n = n < 0 ? 0 : n),
            e = this.getPoint(e),
            t = t || new (n.isVector2 ? yn : Cn);
            return t.copy(e).sub(n).normalize(),
            t
        },
        getTangentAt: function(e, t) {
            e = this.getUtoTmapping(e);
            return this.getTangent(e, t)
        },
        computeFrenetFrames: function(e, t) {
            for (var n = new Cn, i = [], r = [], a = [], o = new Cn, s = new ni, l = 0; l <= e; l++)
                i[l] = this.getTangentAt(l / e, new Cn),
                i[l].normalize();
            r[0] = new Cn,
            a[0] = new Cn;
            var u = Number.MAX_VALUE
              , c = Math.abs(i[0].x)
              , d = Math.abs(i[0].y)
              , h = Math.abs(i[0].z);
            c <= u && (u = c,
            n.set(1, 0, 0)),
            d <= u && (u = d,
            n.set(0, 1, 0)),
            h <= u && n.set(0, 0, 1),
            o.crossVectors(i[0], n).normalize(),
            r[0].crossVectors(i[0], o),
            a[0].crossVectors(i[0], r[0]);
            for (var p, f = 1; f <= e; f++)
                r[f] = r[f - 1].clone(),
                a[f] = a[f - 1].clone(),
                o.crossVectors(i[f - 1], i[f]),
                o.length() > Number.EPSILON && (o.normalize(),
                p = Math.acos(gn.clamp(i[f - 1].dot(i[f]), -1, 1)),
                r[f].applyMatrix4(s.makeRotationAxis(o, p))),
                a[f].crossVectors(i[f], r[f]);
            if (!0 === t) {
                var m = Math.acos(gn.clamp(r[0].dot(r[e]), -1, 1));
                m /= e,
                0 < i[0].dot(o.crossVectors(r[0], r[e])) && (m = -m);
                for (var v = 1; v <= e; v++)
                    r[v].applyMatrix4(s.makeRotationAxis(i[v], m * v)),
                    a[v].crossVectors(i[v], r[v])
            }
            return {
                tangents: i,
                normals: r,
                binormals: a
            }
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        copy: function(e) {
            return this.arcLengthDivisions = e.arcLengthDivisions,
            this
        },
        toJSON: function() {
            var e = {
                metadata: {
                    version: 4.5,
                    type: "Curve",
                    generator: "Curve.toJSON"
                }
            };
            return e.arcLengthDivisions = this.arcLengthDivisions,
            e.type = this.type,
            e
        },
        fromJSON: function(e) {
            return this.arcLengthDivisions = e.arcLengthDivisions,
            this
        }
    }),
    ((Ac.prototype = Object.create(Mc.prototype)).constructor = Ac).prototype.isEllipseCurve = !0,
    Ac.prototype.getPoint = function(e, t) {
        for (var n = t || new yn, i = 2 * Math.PI, r = this.aEndAngle - this.aStartAngle, a = Math.abs(r) < Number.EPSILON; r < 0; )
            r += i;
        for (; i < r; )
            r -= i;
        r < Number.EPSILON && (r = a ? 0 : i),
        !0 !== this.aClockwise || a || (r === i ? r = -i : r -= i);
        var o = this.aStartAngle + e * r
          , s = this.aX + this.xRadius * Math.cos(o)
          , l = this.aY + this.yRadius * Math.sin(o);
        return 0 !== this.aRotation && (t = Math.cos(this.aRotation),
        a = Math.sin(this.aRotation),
        s = (e = s - this.aX) * t - (o = l - this.aY) * a + this.aX,
        l = e * a + o * t + this.aY),
        n.set(s, l)
    }
    ,
    Ac.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.aX = e.aX,
        this.aY = e.aY,
        this.xRadius = e.xRadius,
        this.yRadius = e.yRadius,
        this.aStartAngle = e.aStartAngle,
        this.aEndAngle = e.aEndAngle,
        this.aClockwise = e.aClockwise,
        this.aRotation = e.aRotation,
        this
    }
    ,
    Ac.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.aX = this.aX,
        e.aY = this.aY,
        e.xRadius = this.xRadius,
        e.yRadius = this.yRadius,
        e.aStartAngle = this.aStartAngle,
        e.aEndAngle = this.aEndAngle,
        e.aClockwise = this.aClockwise,
        e.aRotation = this.aRotation,
        e
    }
    ,
    Ac.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.aX = e.aX,
        this.aY = e.aY,
        this.xRadius = e.xRadius,
        this.yRadius = e.yRadius,
        this.aStartAngle = e.aStartAngle,
        this.aEndAngle = e.aEndAngle,
        this.aClockwise = e.aClockwise,
        this.aRotation = e.aRotation,
        this
    }
    ,
    ((Tc.prototype = Object.create(Ac.prototype)).constructor = Tc).prototype.isArcCurve = !0;
    var Cc = new Cn
      , Pc = new Sc
      , Dc = new Sc
      , kc = new Sc;
    function Bc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : []
          , t = 1 < arguments.length && void 0 !== arguments[1] && arguments[1]
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : "centripetal"
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : .5;
        Mc.call(this),
        this.type = "CatmullRomCurve3",
        this.points = e,
        this.closed = t,
        this.curveType = n,
        this.tension = i
    }
    function Lc(e, t, n, i, r) {
        var a = .5 * (i - t)
          , t = .5 * (r - n)
          , r = e * e;
        return (2 * n - 2 * i + a + t) * (e * r) + (-3 * n + 3 * i - 2 * a - t) * r + a * e + n
    }
    function Rc(e, t, n, i) {
        return (r = 1 - (r = e)) * r * t + 2 * (1 - e) * e * n + e * e * i;
        var r
    }
    function Fc(e, t, n, i, r) {
        return (a = 1 - (a = e)) * a * a * t + 3 * (t = 1 - e) * t * e * n + 3 * (1 - e) * e * e * i + e * e * e * r;
        var a
    }
    function Ic() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new yn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : new yn
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : new yn;
        Mc.call(this),
        this.type = "CubicBezierCurve",
        this.v0 = e,
        this.v1 = t,
        this.v2 = n,
        this.v3 = i
    }
    function Oc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Cn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : new Cn
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : new Cn;
        Mc.call(this),
        this.type = "CubicBezierCurve3",
        this.v0 = e,
        this.v1 = t,
        this.v2 = n,
        this.v3 = i
    }
    function zc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new yn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn;
        Mc.call(this),
        this.type = "LineCurve",
        this.v1 = e,
        this.v2 = t
    }
    function Nc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Cn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn;
        Mc.call(this),
        this.type = "LineCurve3",
        this.v1 = e,
        this.v2 = t
    }
    function Uc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new yn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : new yn;
        Mc.call(this),
        this.type = "QuadraticBezierCurve",
        this.v0 = e,
        this.v1 = t,
        this.v2 = n
    }
    function Gc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Cn
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : new Cn;
        Mc.call(this),
        this.type = "QuadraticBezierCurve3",
        this.v0 = e,
        this.v1 = t,
        this.v2 = n
    }
    function Hc() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [];
        Mc.call(this),
        this.type = "SplineCurve",
        this.points = e
    }
    ((Bc.prototype = Object.create(Mc.prototype)).constructor = Bc).prototype.isCatmullRomCurve3 = !0,
    Bc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn
          , n = this.points
          , i = n.length
          , r = (i - (this.closed ? 0 : 1)) * e
          , a = Math.floor(r)
          , o = r - a;
        this.closed ? a += 0 < a ? 0 : (Math.floor(Math.abs(a) / i) + 1) * i : 0 === o && a === i - 1 && (a = i - 2,
        o = 1);
        var s = this.closed || 0 < a ? n[(a - 1) % i] : (Cc.subVectors(n[0], n[1]).add(n[0]),
        Cc)
          , l = n[a % i]
          , e = n[(a + 1) % i]
          , r = this.closed || a + 2 < i ? n[(a + 2) % i] : (Cc.subVectors(n[i - 1], n[i - 2]).add(n[i - 1]),
        Cc);
        return "centripetal" === this.curveType || "chordal" === this.curveType ? (a = "chordal" === this.curveType ? .5 : .25,
        n = Math.pow(s.distanceToSquared(l), a),
        (i = Math.pow(l.distanceToSquared(e), a)) < 1e-4 && (i = 1),
        n < 1e-4 && (n = i),
        (a = Math.pow(e.distanceToSquared(r), a)) < 1e-4 && (a = i),
        Pc.initNonuniformCatmullRom(s.x, l.x, e.x, r.x, n, i, a),
        Dc.initNonuniformCatmullRom(s.y, l.y, e.y, r.y, n, i, a),
        kc.initNonuniformCatmullRom(s.z, l.z, e.z, r.z, n, i, a)) : "catmullrom" === this.curveType && (Pc.initCatmullRom(s.x, l.x, e.x, r.x, this.tension),
        Dc.initCatmullRom(s.y, l.y, e.y, r.y, this.tension),
        kc.initCatmullRom(s.z, l.z, e.z, r.z, this.tension)),
        t.set(Pc.calc(o), Dc.calc(o), kc.calc(o)),
        t
    }
    ,
    Bc.prototype.copy = function(e) {
        Mc.prototype.copy.call(this, e),
        this.points = [];
        for (var t = 0, n = e.points.length; t < n; t++) {
            var i = e.points[t];
            this.points.push(i.clone())
        }
        return this.closed = e.closed,
        this.curveType = e.curveType,
        this.tension = e.tension,
        this
    }
    ,
    Bc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        e.points = [];
        for (var t = 0, n = this.points.length; t < n; t++) {
            var i = this.points[t];
            e.points.push(i.toArray())
        }
        return e.closed = this.closed,
        e.curveType = this.curveType,
        e.tension = this.tension,
        e
    }
    ,
    Bc.prototype.fromJSON = function(e) {
        Mc.prototype.fromJSON.call(this, e),
        this.points = [];
        for (var t = 0, n = e.points.length; t < n; t++) {
            var i = e.points[t];
            this.points.push((new Cn).fromArray(i))
        }
        return this.closed = e.closed,
        this.curveType = e.curveType,
        this.tension = e.tension,
        this
    }
    ,
    ((Ic.prototype = Object.create(Mc.prototype)).constructor = Ic).prototype.isCubicBezierCurve = !0,
    Ic.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn
          , n = this.v0
          , i = this.v1
          , r = this.v2
          , a = this.v3;
        return t.set(Fc(e, n.x, i.x, r.x, a.x), Fc(e, n.y, i.y, r.y, a.y)),
        t
    }
    ,
    Ic.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v0.copy(e.v0),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this.v3.copy(e.v3),
        this
    }
    ,
    Ic.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v0 = this.v0.toArray(),
        e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e.v3 = this.v3.toArray(),
        e
    }
    ,
    Ic.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v0.fromArray(e.v0),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this.v3.fromArray(e.v3),
        this
    }
    ,
    ((Oc.prototype = Object.create(Mc.prototype)).constructor = Oc).prototype.isCubicBezierCurve3 = !0,
    Oc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn
          , n = this.v0
          , i = this.v1
          , r = this.v2
          , a = this.v3;
        return t.set(Fc(e, n.x, i.x, r.x, a.x), Fc(e, n.y, i.y, r.y, a.y), Fc(e, n.z, i.z, r.z, a.z)),
        t
    }
    ,
    Oc.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v0.copy(e.v0),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this.v3.copy(e.v3),
        this
    }
    ,
    Oc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v0 = this.v0.toArray(),
        e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e.v3 = this.v3.toArray(),
        e
    }
    ,
    Oc.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v0.fromArray(e.v0),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this.v3.fromArray(e.v3),
        this
    }
    ,
    ((zc.prototype = Object.create(Mc.prototype)).constructor = zc).prototype.isLineCurve = !0,
    zc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn;
        return 1 === e ? t.copy(this.v2) : (t.copy(this.v2).sub(this.v1),
        t.multiplyScalar(e).add(this.v1)),
        t
    }
    ,
    zc.prototype.getPointAt = function(e, t) {
        return this.getPoint(e, t)
    }
    ,
    zc.prototype.getTangent = function(e, t) {
        t = t || new yn;
        return t.copy(this.v2).sub(this.v1).normalize(),
        t
    }
    ,
    zc.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this
    }
    ,
    zc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e
    }
    ,
    zc.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this
    }
    ,
    ((Nc.prototype = Object.create(Mc.prototype)).constructor = Nc).prototype.isLineCurve3 = !0,
    Nc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn;
        return 1 === e ? t.copy(this.v2) : (t.copy(this.v2).sub(this.v1),
        t.multiplyScalar(e).add(this.v1)),
        t
    }
    ,
    Nc.prototype.getPointAt = function(e, t) {
        return this.getPoint(e, t)
    }
    ,
    Nc.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this
    }
    ,
    Nc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e
    }
    ,
    Nc.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this
    }
    ,
    ((Uc.prototype = Object.create(Mc.prototype)).constructor = Uc).prototype.isQuadraticBezierCurve = !0,
    Uc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn
          , n = this.v0
          , i = this.v1
          , r = this.v2;
        return t.set(Rc(e, n.x, i.x, r.x), Rc(e, n.y, i.y, r.y)),
        t
    }
    ,
    Uc.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v0.copy(e.v0),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this
    }
    ,
    Uc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v0 = this.v0.toArray(),
        e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e
    }
    ,
    Uc.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v0.fromArray(e.v0),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this
    }
    ,
    ((Gc.prototype = Object.create(Mc.prototype)).constructor = Gc).prototype.isQuadraticBezierCurve3 = !0,
    Gc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new Cn
          , n = this.v0
          , i = this.v1
          , r = this.v2;
        return t.set(Rc(e, n.x, i.x, r.x), Rc(e, n.y, i.y, r.y), Rc(e, n.z, i.z, r.z)),
        t
    }
    ,
    Gc.prototype.copy = function(e) {
        return Mc.prototype.copy.call(this, e),
        this.v0.copy(e.v0),
        this.v1.copy(e.v1),
        this.v2.copy(e.v2),
        this
    }
    ,
    Gc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        return e.v0 = this.v0.toArray(),
        e.v1 = this.v1.toArray(),
        e.v2 = this.v2.toArray(),
        e
    }
    ,
    Gc.prototype.fromJSON = function(e) {
        return Mc.prototype.fromJSON.call(this, e),
        this.v0.fromArray(e.v0),
        this.v1.fromArray(e.v1),
        this.v2.fromArray(e.v2),
        this
    }
    ,
    ((Hc.prototype = Object.create(Mc.prototype)).constructor = Hc).prototype.isSplineCurve = !0,
    Hc.prototype.getPoint = function(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new yn
          , n = this.points
          , i = (n.length - 1) * e
          , r = Math.floor(i)
          , a = i - r
          , o = n[0 === r ? r : r - 1]
          , e = n[r]
          , i = n[r > n.length - 2 ? n.length - 1 : r + 1]
          , r = n[r > n.length - 3 ? n.length - 1 : r + 2];
        return t.set(Lc(a, o.x, e.x, i.x, r.x), Lc(a, o.y, e.y, i.y, r.y)),
        t
    }
    ,
    Hc.prototype.copy = function(e) {
        Mc.prototype.copy.call(this, e),
        this.points = [];
        for (var t = 0, n = e.points.length; t < n; t++) {
            var i = e.points[t];
            this.points.push(i.clone())
        }
        return this
    }
    ,
    Hc.prototype.toJSON = function() {
        var e = Mc.prototype.toJSON.call(this);
        e.points = [];
        for (var t = 0, n = this.points.length; t < n; t++) {
            var i = this.points[t];
            e.points.push(i.toArray())
        }
        return e
    }
    ,
    Hc.prototype.fromJSON = function(e) {
        Mc.prototype.fromJSON.call(this, e),
        this.points = [];
        for (var t = 0, n = e.points.length; t < n; t++) {
            var i = e.points[t];
            this.points.push((new yn).fromArray(i))
        }
        return this
    }
    ;
    var Vc = Object.freeze({
        __proto__: null,
        ArcCurve: Tc,
        CatmullRomCurve3: Bc,
        CubicBezierCurve: Ic,
        CubicBezierCurve3: Oc,
        EllipseCurve: Ac,
        LineCurve: zc,
        LineCurve3: Nc,
        QuadraticBezierCurve: Uc,
        QuadraticBezierCurve3: Gc,
        SplineCurve: Hc
    });
    function jc() {
        Mc.call(this),
        this.type = "CurvePath",
        this.curves = [],
        this.autoClose = !1
    }
    function Wc(e) {
        jc.call(this),
        this.type = "Path",
        this.currentPoint = new yn,
        e && this.setFromPoints(e)
    }
    function Xc(e) {
        Wc.call(this, e),
        this.uuid = gn.generateUUID(),
        this.type = "Shape",
        this.holes = []
    }
    function qc(e) {
        var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1;
        Si.call(this),
        this.type = "Light",
        this.color = new Yi(e),
        this.intensity = t
    }
    function Jc(e, t, n) {
        qc.call(this, e, n),
        this.type = "HemisphereLight",
        this.position.copy(Si.DefaultUp),
        this.updateMatrix(),
        this.groundColor = new Yi(t)
    }
    function Yc(e) {
        this.camera = e,
        this.bias = 0,
        this.normalBias = 0,
        this.radius = 1,
        this.mapSize = new yn(512,512),
        this.map = null,
        this.mapPass = null,
        this.matrix = new ni,
        this.autoUpdate = !0,
        this.needsUpdate = !1,
        this._frustum = new oa,
        this._frameExtents = new yn(1,1),
        this._viewportCount = 1,
        this._viewports = [new Mn(0,0,1,1)]
    }
    function Zc() {
        Yc.call(this, new $r(50,1,.5,500)),
        this.focus = 1
    }
    function Qc(e, t, n, i, r, a) {
        qc.call(this, e, t),
        this.type = "SpotLight",
        this.position.copy(Si.DefaultUp),
        this.updateMatrix(),
        this.target = new Si,
        Object.defineProperty(this, "power", {
            get: function() {
                return this.intensity * Math.PI
            },
            set: function(e) {
                this.intensity = e / Math.PI
            }
        }),
        this.distance = void 0 !== n ? n : 0,
        this.angle = void 0 !== i ? i : Math.PI / 3,
        this.penumbra = void 0 !== r ? r : 0,
        this.decay = void 0 !== a ? a : 1,
        this.shadow = new Zc
    }
    function Kc() {
        Yc.call(this, new $r(90,1,.5,500)),
        this._frameExtents = new yn(4,2),
        this._viewportCount = 6,
        this._viewports = [new Mn(2,1,1,1), new Mn(0,1,1,1), new Mn(3,1,1,1), new Mn(1,1,1,1), new Mn(3,0,1,1), new Mn(1,0,1,1)],
        this._cubeDirections = [new Cn(1,0,0), new Cn(-1,0,0), new Cn(0,0,1), new Cn(0,0,-1), new Cn(0,1,0), new Cn(0,-1,0)],
        this._cubeUps = [new Cn(0,1,0), new Cn(0,1,0), new Cn(0,1,0), new Cn(0,1,0), new Cn(0,0,1), new Cn(0,0,-1)]
    }
    function $c(e, t, n, i) {
        qc.call(this, e, t),
        this.type = "PointLight",
        Object.defineProperty(this, "power", {
            get: function() {
                return 4 * this.intensity * Math.PI
            },
            set: function(e) {
                this.intensity = e / (4 * Math.PI)
            }
        }),
        this.distance = void 0 !== n ? n : 0,
        this.decay = void 0 !== i ? i : 1,
        this.shadow = new Kc
    }
    function ed() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : -1
          , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1
          , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1
          , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : -1
          , r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : .1
          , a = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 2e3;
        Kr.call(this),
        this.type = "OrthographicCamera",
        this.zoom = 1,
        this.view = null,
        this.left = e,
        this.right = t,
        this.top = n,
        this.bottom = i,
        this.near = r,
        this.far = a,
        this.updateProjectionMatrix()
    }
    function td() {
        Yc.call(this, new ed(-5,5,5,-5,.5,500))
    }
    function nd(e, t) {
        qc.call(this, e, t),
        this.type = "DirectionalLight",
        this.position.copy(Si.DefaultUp),
        this.updateMatrix(),
        this.target = new Si,
        this.shadow = new td
    }
    function id(e, t) {
        qc.call(this, e, t),
        this.type = "AmbientLight"
    }
    function rd(e, t, n, i) {
        qc.call(this, e, t),
        this.type = "RectAreaLight",
        this.width = void 0 !== n ? n : 10,
        this.height = void 0 !== i ? i : 10
    }
    jc.prototype = Object.assign(Object.create(Mc.prototype), {
        constructor: jc,
        add: function(e) {
            this.curves.push(e)
        },
        closePath: function() {
            var e = this.curves[0].getPoint(0)
              , t = this.curves[this.curves.length - 1].getPoint(1);
            e.equals(t) || this.curves.push(new zc(t,e))
        },
        getPoint: function(e) {
            for (var t = e * this.getLength(), n = this.getCurveLengths(), i = 0; i < n.length; ) {
                if (n[i] >= t) {
                    var r = n[i] - t
                      , a = this.curves[i]
                      , o = a.getLength();
                    return a.getPointAt(0 === o ? 0 : 1 - r / o)
                }
                i++
            }
            return null
        },
        getLength: function() {
            var e = this.getCurveLengths();
            return e[e.length - 1]
        },
        updateArcLengths: function() {
            this.needsUpdate = !0,
            this.cacheLengths = null,
            this.getCurveLengths()
        },
        getCurveLengths: function() {
            if (this.cacheLengths && this.cacheLengths.length === this.curves.length)
                return this.cacheLengths;
            for (var e = [], t = 0, n = 0, i = this.curves.length; n < i; n++)
                t += this.curves[n].getLength(),
                e.push(t);
            return this.cacheLengths = e
        },
        getSpacedPoints: function() {
            for (var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 40, t = [], n = 0; n <= e; n++)
                t.push(this.getPoint(n / e));
            return this.autoClose && t.push(t[0]),
            t
        },
        getPoints: function() {
            for (var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 12, n = [], i = 0, r = this.curves; i < r.length; i++)
                for (var a = r[i], o = a && a.isEllipseCurve ? 2 * t : a && (a.isLineCurve || a.isLineCurve3) ? 1 : a && a.isSplineCurve ? t * a.points.length : t, s = a.getPoints(o), l = 0; l < s.length; l++) {
                    var u = s[l];
                    e && e.equals(u) || (n.push(u),
                    e = u)
                }
            return this.autoClose && 1 < n.length && !n[n.length - 1].equals(n[0]) && n.push(n[0]),
            n
        },
        copy: function(e) {
            Mc.prototype.copy.call(this, e),
            this.curves = [];
            for (var t = 0, n = e.curves.length; t < n; t++) {
                var i = e.curves[t];
                this.curves.push(i.clone())
            }
            return this.autoClose = e.autoClose,
            this
        },
        toJSON: function() {
            var e = Mc.prototype.toJSON.call(this);
            e.autoClose = this.autoClose,
            e.curves = [];
            for (var t = 0, n = this.curves.length; t < n; t++) {
                var i = this.curves[t];
                e.curves.push(i.toJSON())
            }
            return e
        },
        fromJSON: function(e) {
            Mc.prototype.fromJSON.call(this, e),
            this.autoClose = e.autoClose,
            this.curves = [];
            for (var t = 0, n = e.curves.length; t < n; t++) {
                var i = e.curves[t];
                this.curves.push((new Vc[i.type]).fromJSON(i))
            }
            return this
        }
    }),
    Wc.prototype = Object.assign(Object.create(jc.prototype), {
        constructor: Wc,
        setFromPoints: function(e) {
            this.moveTo(e[0].x, e[0].y);
            for (var t = 1, n = e.length; t < n; t++)
                this.lineTo(e[t].x, e[t].y);
            return this
        },
        moveTo: function(e, t) {
            return this.currentPoint.set(e, t),
            this
        },
        lineTo: function(e, t) {
            var n = new zc(this.currentPoint.clone(),new yn(e,t));
            return this.curves.push(n),
            this.currentPoint.set(e, t),
            this
        },
        quadraticCurveTo: function(e, t, n, i) {
            t = new Uc(this.currentPoint.clone(),new yn(e,t),new yn(n,i));
            return this.curves.push(t),
            this.currentPoint.set(n, i),
            this
        },
        bezierCurveTo: function(e, t, n, i, r, a) {
            i = new Ic(this.currentPoint.clone(),new yn(e,t),new yn(n,i),new yn(r,a));
            return this.curves.push(i),
            this.currentPoint.set(r, a),
            this
        },
        splineThru: function(e) {
            var t = new Hc([this.currentPoint.clone()].concat(e));
            return this.curves.push(t),
            this.currentPoint.copy(e[e.length - 1]),
            this
        },
        arc: function(e, t, n, i, r, a) {
            var o = this.currentPoint.x
              , s = this.currentPoint.y;
            return this.absarc(e + o, t + s, n, i, r, a),
            this
        },
        absarc: function(e, t, n, i, r, a) {
            return this.absellipse(e, t, n, n, i, r, a),
            this
        },
        ellipse: function(e, t, n, i, r, a, o, s) {
            var l = this.currentPoint.x
              , u = this.currentPoint.y;
            return this.absellipse(e + l, t + u, n, i, r, a, o, s),
            this
        },
        absellipse: function(e, t, n, i, r, a, o, s) {
            o = new Ac(e,t,n,i,r,a,o,s);
            0 < this.curves.length && ((s = o.getPoint(0)).equals(this.currentPoint) || this.lineTo(s.x, s.y)),
            this.curves.push(o);
            o = o.getPoint(1);
            return this.currentPoint.copy(o),
            this
        },
        copy: function(e) {
            return jc.prototype.copy.call(this, e),
            this.currentPoint.copy(e.currentPoint),
            this
        },
        toJSON: function() {
            var e = jc.prototype.toJSON.call(this);
            return e.currentPoint = this.currentPoint.toArray(),
            e
        },
        fromJSON: function(e) {
            return jc.prototype.fromJSON.call(this, e),
            this.currentPoint.fromArray(e.currentPoint),
            this
        }
    }),
    Xc.prototype = Object.assign(Object.create(Wc.prototype), {
        constructor: Xc,
        getPointsHoles: function(e) {
            for (var t = [], n = 0, i = this.holes.length; n < i; n++)
                t[n] = this.holes[n].getPoints(e);
            return t
        },
        extractPoints: function(e) {
            return {
                shape: this.getPoints(e),
                holes: this.getPointsHoles(e)
            }
        },
        copy: function(e) {
            Wc.prototype.copy.call(this, e),
            this.holes = [];
            for (var t = 0, n = e.holes.length; t < n; t++) {
                var i = e.holes[t];
                this.holes.push(i.clone())
            }
            return this
        },
        toJSON: function() {
            var e = Wc.prototype.toJSON.call(this);
            e.uuid = this.uuid,
            e.holes = [];
            for (var t = 0, n = this.holes.length; t < n; t++) {
                var i = this.holes[t];
                e.holes.push(i.toJSON())
            }
            return e
        },
        fromJSON: function(e) {
            Wc.prototype.fromJSON.call(this, e),
            this.uuid = e.uuid,
            this.holes = [];
            for (var t = 0, n = e.holes.length; t < n; t++) {
                var i = e.holes[t];
                this.holes.push((new Wc).fromJSON(i))
            }
            return this
        }
    }),
    qc.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: qc,
        isLight: !0,
        copy: function(e) {
            return Si.prototype.copy.call(this, e),
            this.color.copy(e.color),
            this.intensity = e.intensity,
            this
        },
        toJSON: function(e) {
            e = Si.prototype.toJSON.call(this, e);
            return e.object.color = this.color.getHex(),
            e.object.intensity = this.intensity,
            void 0 !== this.groundColor && (e.object.groundColor = this.groundColor.getHex()),
            void 0 !== this.distance && (e.object.distance = this.distance),
            void 0 !== this.angle && (e.object.angle = this.angle),
            void 0 !== this.decay && (e.object.decay = this.decay),
            void 0 !== this.penumbra && (e.object.penumbra = this.penumbra),
            void 0 !== this.shadow && (e.object.shadow = this.shadow.toJSON()),
            e
        }
    }),
    Jc.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: Jc,
        isHemisphereLight: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.groundColor.copy(e.groundColor),
            this
        }
    }),
    Object.assign(Yc.prototype, {
        _projScreenMatrix: new ni,
        _lightPositionWorld: new Cn,
        _lookTarget: new Cn,
        getViewportCount: function() {
            return this._viewportCount
        },
        getFrustum: function() {
            return this._frustum
        },
        updateMatrices: function(e) {
            var t = this.camera
              , n = this.matrix
              , i = this._projScreenMatrix
              , r = this._lookTarget
              , a = this._lightPositionWorld;
            a.setFromMatrixPosition(e.matrixWorld),
            t.position.copy(a),
            r.setFromMatrixPosition(e.target.matrixWorld),
            t.lookAt(r),
            t.updateMatrixWorld(),
            i.multiplyMatrices(t.projectionMatrix, t.matrixWorldInverse),
            this._frustum.setFromProjectionMatrix(i),
            n.set(.5, 0, 0, .5, 0, .5, 0, .5, 0, 0, .5, .5, 0, 0, 0, 1),
            n.multiply(t.projectionMatrix),
            n.multiply(t.matrixWorldInverse)
        },
        getViewport: function(e) {
            return this._viewports[e]
        },
        getFrameExtents: function() {
            return this._frameExtents
        },
        copy: function(e) {
            return this.camera = e.camera.clone(),
            this.bias = e.bias,
            this.radius = e.radius,
            this.mapSize.copy(e.mapSize),
            this
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        toJSON: function() {
            var e = {};
            return 0 !== this.bias && (e.bias = this.bias),
            0 !== this.normalBias && (e.normalBias = this.normalBias),
            1 !== this.radius && (e.radius = this.radius),
            512 === this.mapSize.x && 512 === this.mapSize.y || (e.mapSize = this.mapSize.toArray()),
            e.camera = this.camera.toJSON(!1).object,
            delete e.camera.matrix,
            e
        }
    }),
    Zc.prototype = Object.assign(Object.create(Yc.prototype), {
        constructor: Zc,
        isSpotLightShadow: !0,
        updateMatrices: function(e) {
            var t = this.camera
              , n = 2 * gn.RAD2DEG * e.angle * this.focus
              , i = this.mapSize.width / this.mapSize.height
              , r = e.distance || t.far;
            n === t.fov && i === t.aspect && r === t.far || (t.fov = n,
            t.aspect = i,
            t.far = r,
            t.updateProjectionMatrix()),
            Yc.prototype.updateMatrices.call(this, e)
        }
    }),
    Qc.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: Qc,
        isSpotLight: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.distance = e.distance,
            this.angle = e.angle,
            this.penumbra = e.penumbra,
            this.decay = e.decay,
            this.target = e.target.clone(),
            this.shadow = e.shadow.clone(),
            this
        }
    }),
    Kc.prototype = Object.assign(Object.create(Yc.prototype), {
        constructor: Kc,
        isPointLightShadow: !0,
        updateMatrices: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = this.camera
              , i = this.matrix
              , r = this._lightPositionWorld
              , a = this._lookTarget
              , o = this._projScreenMatrix;
            r.setFromMatrixPosition(e.matrixWorld),
            n.position.copy(r),
            a.copy(n.position),
            a.add(this._cubeDirections[t]),
            n.up.copy(this._cubeUps[t]),
            n.lookAt(a),
            n.updateMatrixWorld(),
            i.makeTranslation(-r.x, -r.y, -r.z),
            o.multiplyMatrices(n.projectionMatrix, n.matrixWorldInverse),
            this._frustum.setFromProjectionMatrix(o)
        }
    }),
    $c.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: $c,
        isPointLight: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.distance = e.distance,
            this.decay = e.decay,
            this.shadow = e.shadow.clone(),
            this
        }
    }),
    ed.prototype = Object.assign(Object.create(Kr.prototype), {
        constructor: ed,
        isOrthographicCamera: !0,
        copy: function(e, t) {
            return Kr.prototype.copy.call(this, e, t),
            this.left = e.left,
            this.right = e.right,
            this.top = e.top,
            this.bottom = e.bottom,
            this.near = e.near,
            this.far = e.far,
            this.zoom = e.zoom,
            this.view = null === e.view ? null : Object.assign({}, e.view),
            this
        },
        setViewOffset: function(e, t, n, i, r, a) {
            null === this.view && (this.view = {
                enabled: !0,
                fullWidth: 1,
                fullHeight: 1,
                offsetX: 0,
                offsetY: 0,
                width: 1,
                height: 1
            }),
            this.view.enabled = !0,
            this.view.fullWidth = e,
            this.view.fullHeight = t,
            this.view.offsetX = n,
            this.view.offsetY = i,
            this.view.width = r,
            this.view.height = a,
            this.updateProjectionMatrix()
        },
        clearViewOffset: function() {
            null !== this.view && (this.view.enabled = !1),
            this.updateProjectionMatrix()
        },
        updateProjectionMatrix: function() {
            var e = (this.right - this.left) / (2 * this.zoom)
              , t = (this.top - this.bottom) / (2 * this.zoom)
              , n = (this.right + this.left) / 2
              , i = (this.top + this.bottom) / 2
              , r = n - e
              , a = n + e
              , n = i + t
              , e = i - t;
            null !== this.view && this.view.enabled && (i = (this.right - this.left) / this.view.fullWidth / this.zoom,
            t = (this.top - this.bottom) / this.view.fullHeight / this.zoom,
            a = (r += i * this.view.offsetX) + i * this.view.width,
            e = (n -= t * this.view.offsetY) - t * this.view.height),
            this.projectionMatrix.makeOrthographic(r, a, n, e, this.near, this.far),
            this.projectionMatrixInverse.copy(this.projectionMatrix).invert()
        },
        toJSON: function(e) {
            e = Si.prototype.toJSON.call(this, e);
            return e.object.zoom = this.zoom,
            e.object.left = this.left,
            e.object.right = this.right,
            e.object.top = this.top,
            e.object.bottom = this.bottom,
            e.object.near = this.near,
            e.object.far = this.far,
            null !== this.view && (e.object.view = Object.assign({}, this.view)),
            e
        }
    }),
    td.prototype = Object.assign(Object.create(Yc.prototype), {
        constructor: td,
        isDirectionalLightShadow: !0,
        updateMatrices: function(e) {
            Yc.prototype.updateMatrices.call(this, e)
        }
    }),
    nd.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: nd,
        isDirectionalLight: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.target = e.target.clone(),
            this.shadow = e.shadow.clone(),
            this
        }
    }),
    id.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: id,
        isAmbientLight: !0
    }),
    rd.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: rd,
        isRectAreaLight: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.width = e.width,
            this.height = e.height,
            this
        },
        toJSON: function(e) {
            e = qc.prototype.toJSON.call(this, e);
            return e.object.width = this.width,
            e.object.height = this.height,
            e
        }
    });
    var ad = function() {
        function t() {
            O(this, t),
            Object.defineProperty(this, "isSphericalHarmonics3", {
                value: !0
            }),
            this.coefficients = [];
            for (var e = 0; e < 9; e++)
                this.coefficients.push(new Cn)
        }
        return h(t, [{
            key: "set",
            value: function(e) {
                for (var t = 0; t < 9; t++)
                    this.coefficients[t].copy(e[t]);
                return this
            }
        }, {
            key: "zero",
            value: function() {
                for (var e = 0; e < 9; e++)
                    this.coefficients[e].set(0, 0, 0);
                return this
            }
        }, {
            key: "getAt",
            value: function(e, t) {
                var n = e.x
                  , i = e.y
                  , r = e.z
                  , e = this.coefficients;
                return t.copy(e[0]).multiplyScalar(.282095),
                t.addScaledVector(e[1], .488603 * i),
                t.addScaledVector(e[2], .488603 * r),
                t.addScaledVector(e[3], .488603 * n),
                t.addScaledVector(e[4], n * i * 1.092548),
                t.addScaledVector(e[5], i * r * 1.092548),
                t.addScaledVector(e[6], .315392 * (3 * r * r - 1)),
                t.addScaledVector(e[7], n * r * 1.092548),
                t.addScaledVector(e[8], .546274 * (n * n - i * i)),
                t
            }
        }, {
            key: "getIrradianceAt",
            value: function(e, t) {
                var n = e.x
                  , i = e.y
                  , r = e.z
                  , e = this.coefficients;
                return t.copy(e[0]).multiplyScalar(.886227),
                t.addScaledVector(e[1], 1.023328 * i),
                t.addScaledVector(e[2], 1.023328 * r),
                t.addScaledVector(e[3], 1.023328 * n),
                t.addScaledVector(e[4], .858086 * n * i),
                t.addScaledVector(e[5], .858086 * i * r),
                t.addScaledVector(e[6], .743125 * r * r - .247708),
                t.addScaledVector(e[7], .858086 * n * r),
                t.addScaledVector(e[8], .429043 * (n * n - i * i)),
                t
            }
        }, {
            key: "add",
            value: function(e) {
                for (var t = 0; t < 9; t++)
                    this.coefficients[t].add(e.coefficients[t]);
                return this
            }
        }, {
            key: "addScaledSH",
            value: function(e, t) {
                for (var n = 0; n < 9; n++)
                    this.coefficients[n].addScaledVector(e.coefficients[n], t);
                return this
            }
        }, {
            key: "scale",
            value: function(e) {
                for (var t = 0; t < 9; t++)
                    this.coefficients[t].multiplyScalar(e);
                return this
            }
        }, {
            key: "lerp",
            value: function(e, t) {
                for (var n = 0; n < 9; n++)
                    this.coefficients[n].lerp(e.coefficients[n], t);
                return this
            }
        }, {
            key: "equals",
            value: function(e) {
                for (var t = 0; t < 9; t++)
                    if (!this.coefficients[t].equals(e.coefficients[t]))
                        return !1;
                return !0
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.set(e.coefficients)
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "fromArray",
            value: function(e) {
                for (var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, n = this.coefficients, i = 0; i < 9; i++)
                    n[i].fromArray(e, t + 3 * i);
                return this
            }
        }, {
            key: "toArray",
            value: function() {
                for (var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [], t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, n = this.coefficients, i = 0; i < 9; i++)
                    n[i].toArray(e, t + 3 * i);
                return e
            }
        }], [{
            key: "getBasisAt",
            value: function(e, t) {
                var n = e.x
                  , i = e.y
                  , e = e.z;
                t[0] = .282095,
                t[1] = .488603 * i,
                t[2] = .488603 * e,
                t[3] = .488603 * n,
                t[4] = 1.092548 * n * i,
                t[5] = 1.092548 * i * e,
                t[6] = .315392 * (3 * e * e - 1),
                t[7] = 1.092548 * n * e,
                t[8] = .546274 * (n * n - i * i)
            }
        }]),
        t
    }();
    function od(e, t) {
        qc.call(this, void 0, t),
        this.type = "LightProbe",
        this.sh = void 0 !== e ? e : new ad
    }
    function sd(e) {
        mc.call(this, e),
        this.textures = {}
    }
    od.prototype = Object.assign(Object.create(qc.prototype), {
        constructor: od,
        isLightProbe: !0,
        copy: function(e) {
            return qc.prototype.copy.call(this, e),
            this.sh.copy(e.sh),
            this
        },
        fromJSON: function(e) {
            return this.intensity = e.intensity,
            this.sh.fromArray(e.sh),
            this
        },
        toJSON: function(e) {
            e = qc.prototype.toJSON.call(this, e);
            return e.object.sh = this.sh.toArray(),
            e
        }
    }),
    sd.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: sd,
        load: function(t, n, e, i) {
            var r = this
              , a = new gc(r.manager);
            a.setPath(r.path),
            a.setRequestHeader(r.requestHeader),
            a.setWithCredentials(r.withCredentials),
            a.load(t, function(e) {
                try {
                    n(r.parse(JSON.parse(e)))
                } catch (e) {
                    i ? i(e) : console.error(e),
                    r.manager.itemError(t)
                }
            }, e, i)
        },
        parse: function(e) {
            var t = this.textures;
            function n(e) {
                return void 0 === t[e] && console.warn("THREE.MaterialLoader: Undefined texture", e),
                t[e]
            }
            var i, r = new Zu[e.type];
            if (void 0 !== e.uuid && (r.uuid = e.uuid),
            void 0 !== e.name && (r.name = e.name),
            void 0 !== e.color && void 0 !== r.color && r.color.setHex(e.color),
            void 0 !== e.roughness && (r.roughness = e.roughness),
            void 0 !== e.metalness && (r.metalness = e.metalness),
            void 0 !== e.sheen && (r.sheen = (new Yi).setHex(e.sheen)),
            void 0 !== e.emissive && void 0 !== r.emissive && r.emissive.setHex(e.emissive),
            void 0 !== e.specular && void 0 !== r.specular && r.specular.setHex(e.specular),
            void 0 !== e.shininess && (r.shininess = e.shininess),
            void 0 !== e.clearcoat && (r.clearcoat = e.clearcoat),
            void 0 !== e.clearcoatRoughness && (r.clearcoatRoughness = e.clearcoatRoughness),
            void 0 !== e.fog && (r.fog = e.fog),
            void 0 !== e.flatShading && (r.flatShading = e.flatShading),
            void 0 !== e.blending && (r.blending = e.blending),
            void 0 !== e.combine && (r.combine = e.combine),
            void 0 !== e.side && (r.side = e.side),
            void 0 !== e.opacity && (r.opacity = e.opacity),
            void 0 !== e.transparent && (r.transparent = e.transparent),
            void 0 !== e.alphaTest && (r.alphaTest = e.alphaTest),
            void 0 !== e.depthTest && (r.depthTest = e.depthTest),
            void 0 !== e.depthWrite && (r.depthWrite = e.depthWrite),
            void 0 !== e.colorWrite && (r.colorWrite = e.colorWrite),
            void 0 !== e.stencilWrite && (r.stencilWrite = e.stencilWrite),
            void 0 !== e.stencilWriteMask && (r.stencilWriteMask = e.stencilWriteMask),
            void 0 !== e.stencilFunc && (r.stencilFunc = e.stencilFunc),
            void 0 !== e.stencilRef && (r.stencilRef = e.stencilRef),
            void 0 !== e.stencilFuncMask && (r.stencilFuncMask = e.stencilFuncMask),
            void 0 !== e.stencilFail && (r.stencilFail = e.stencilFail),
            void 0 !== e.stencilZFail && (r.stencilZFail = e.stencilZFail),
            void 0 !== e.stencilZPass && (r.stencilZPass = e.stencilZPass),
            void 0 !== e.wireframe && (r.wireframe = e.wireframe),
            void 0 !== e.wireframelineWidth && (r.wireframelineWidth = e.wireframelineWidth),
            void 0 !== e.wireframeLinecap && (r.wireframeLinecap = e.wireframeLinecap),
            void 0 !== e.wireframeLinejoin && (r.wireframeLinejoin = e.wireframeLinejoin),
            void 0 !== e.rotation && (r.rotation = e.rotation),
            1 !== e.lineWidth && (r.lineWidth = e.lineWidth),
            void 0 !== e.dashSize && (r.dashSize = e.dashSize),
            void 0 !== e.gapSize && (r.gapSize = e.gapSize),
            void 0 !== e.scale && (r.scale = e.scale),
            void 0 !== e.polygonOffset && (r.polygonOffset = e.polygonOffset),
            void 0 !== e.polygonOffsetFactor && (r.polygonOffsetFactor = e.polygonOffsetFactor),
            void 0 !== e.polygonOffsetUnits && (r.polygonOffsetUnits = e.polygonOffsetUnits),
            void 0 !== e.skinning && (r.skinning = e.skinning),
            void 0 !== e.morphTargets && (r.morphTargets = e.morphTargets),
            void 0 !== e.morphNormals && (r.morphNormals = e.morphNormals),
            void 0 !== e.dithering && (r.dithering = e.dithering),
            void 0 !== e.vertexTangents && (r.vertexTangents = e.vertexTangents),
            void 0 !== e.visible && (r.visible = e.visible),
            void 0 !== e.toneMapped && (r.toneMapped = e.toneMapped),
            void 0 !== e.userData && (r.userData = e.userData),
            void 0 !== e.vertexColors && ("number" == typeof e.vertexColors ? r.vertexColors = 0 < e.vertexColors : r.vertexColors = e.vertexColors),
            void 0 !== e.uniforms)
                for (var a in e.uniforms) {
                    var o = e.uniforms[a];
                    switch (r.uniforms[a] = {},
                    o.type) {
                    case "t":
                        r.uniforms[a].value = n(o.value);
                        break;
                    case "c":
                        r.uniforms[a].value = (new Yi).setHex(o.value);
                        break;
                    case "v2":
                        r.uniforms[a].value = (new yn).fromArray(o.value);
                        break;
                    case "v3":
                        r.uniforms[a].value = (new Cn).fromArray(o.value);
                        break;
                    case "v4":
                        r.uniforms[a].value = (new Mn).fromArray(o.value);
                        break;
                    case "m3":
                        r.uniforms[a].value = (new wn).fromArray(o.value);
                        break;
                    case "m4":
                        r.uniforms[a].value = (new ni).fromArray(o.value);
                        break;
                    default:
                        r.uniforms[a].value = o.value
                    }
                }
            if (void 0 !== e.defines && (r.defines = e.defines),
            void 0 !== e.vertexShader && (r.vertexShader = e.vertexShader),
            void 0 !== e.fragmentShader && (r.fragmentShader = e.fragmentShader),
            void 0 !== e.extensions)
                for (var s in e.extensions)
                    r.extensions[s] = e.extensions[s];
            return void 0 !== e.shading && (r.flatShading = 1 === e.shading),
            void 0 !== e.size && (r.size = e.size),
            void 0 !== e.sizeAttenuation && (r.sizeAttenuation = e.sizeAttenuation),
            void 0 !== e.map && (r.map = n(e.map)),
            void 0 !== e.matcap && (r.matcap = n(e.matcap)),
            void 0 !== e.alphaMap && (r.alphaMap = n(e.alphaMap)),
            void 0 !== e.bumpMap && (r.bumpMap = n(e.bumpMap)),
            void 0 !== e.bumpScale && (r.bumpScale = e.bumpScale),
            void 0 !== e.normalMap && (r.normalMap = n(e.normalMap)),
            void 0 !== e.normalMapType && (r.normalMapType = e.normalMapType),
            void 0 !== e.normalScale && (i = e.normalScale,
            !1 === Array.isArray(i) && (i = [i, i]),
            r.normalScale = (new yn).fromArray(i)),
            void 0 !== e.displacementMap && (r.displacementMap = n(e.displacementMap)),
            void 0 !== e.displacementScale && (r.displacementScale = e.displacementScale),
            void 0 !== e.displacementBias && (r.displacementBias = e.displacementBias),
            void 0 !== e.roughnessMap && (r.roughnessMap = n(e.roughnessMap)),
            void 0 !== e.metalnessMap && (r.metalnessMap = n(e.metalnessMap)),
            void 0 !== e.emissiveMap && (r.emissiveMap = n(e.emissiveMap)),
            void 0 !== e.emissiveIntensity && (r.emissiveIntensity = e.emissiveIntensity),
            void 0 !== e.specularMap && (r.specularMap = n(e.specularMap)),
            void 0 !== e.envMap && (r.envMap = n(e.envMap)),
            void 0 !== e.envMapIntensity && (r.envMapIntensity = e.envMapIntensity),
            void 0 !== e.reflectivity && (r.reflectivity = e.reflectivity),
            void 0 !== e.refractionRatio && (r.refractionRatio = e.refractionRatio),
            void 0 !== e.lightMap && (r.lightMap = n(e.lightMap)),
            void 0 !== e.lightMapIntensity && (r.lightMapIntensity = e.lightMapIntensity),
            void 0 !== e.aoMap && (r.aoMap = n(e.aoMap)),
            void 0 !== e.aoMapIntensity && (r.aoMapIntensity = e.aoMapIntensity),
            void 0 !== e.gradientMap && (r.gradientMap = n(e.gradientMap)),
            void 0 !== e.clearcoatMap && (r.clearcoatMap = n(e.clearcoatMap)),
            void 0 !== e.clearcoatRoughnessMap && (r.clearcoatRoughnessMap = n(e.clearcoatRoughnessMap)),
            void 0 !== e.clearcoatNormalMap && (r.clearcoatNormalMap = n(e.clearcoatNormalMap)),
            void 0 !== e.clearcoatNormalScale && (r.clearcoatNormalScale = (new yn).fromArray(e.clearcoatNormalScale)),
            void 0 !== e.transmission && (r.transmission = e.transmission),
            void 0 !== e.transmissionMap && (r.transmissionMap = n(e.transmissionMap)),
            r
        },
        setTextures: function(e) {
            return this.textures = e,
            this
        }
    });
    var ld = {
        decodeText: function(e) {
            if ("undefined" != typeof TextDecoder)
                return (new TextDecoder).decode(e);
            for (var t = "", n = 0, i = e.length; n < i; n++)
                t += String.fromCharCode(e[n]);
            try {
                return decodeURIComponent(escape(t))
            } catch (e) {
                return t
            }
        },
        extractUrlBase: function(e) {
            var t = e.lastIndexOf("/");
            return -1 === t ? "./" : e.substr(0, t + 1)
        }
    };
    function ud() {
        Mr.call(this),
        this.type = "InstancedBufferGeometry",
        this.instanceCount = 1 / 0
    }
    function cd(e, t, n, i) {
        "number" == typeof n && (i = n,
        n = !1,
        console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),
        nr.call(this, e, t, n),
        this.meshPerAttribute = i || 1
    }
    function dd(e) {
        mc.call(this, e)
    }
    ud.prototype = Object.assign(Object.create(Mr.prototype), {
        constructor: ud,
        isInstancedBufferGeometry: !0,
        copy: function(e) {
            return Mr.prototype.copy.call(this, e),
            this.instanceCount = e.instanceCount,
            this
        },
        clone: function() {
            return (new this.constructor).copy(this)
        },
        toJSON: function() {
            var e = Mr.prototype.toJSON.call(this);
            return e.instanceCount = this.instanceCount,
            e.isInstancedBufferGeometry = !0,
            e
        }
    }),
    cd.prototype = Object.assign(Object.create(nr.prototype), {
        constructor: cd,
        isInstancedBufferAttribute: !0,
        copy: function(e) {
            return nr.prototype.copy.call(this, e),
            this.meshPerAttribute = e.meshPerAttribute,
            this
        },
        toJSON: function() {
            var e = nr.prototype.toJSON.call(this);
            return e.meshPerAttribute = this.meshPerAttribute,
            e.isInstancedBufferAttribute = !0,
            e
        }
    }),
    dd.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: dd,
        load: function(t, n, e, i) {
            var r = this
              , a = new gc(r.manager);
            a.setPath(r.path),
            a.setRequestHeader(r.requestHeader),
            a.setWithCredentials(r.withCredentials),
            a.load(t, function(e) {
                try {
                    n(r.parse(JSON.parse(e)))
                } catch (e) {
                    i ? i(e) : console.error(e),
                    r.manager.itemError(t)
                }
            }, e, i)
        },
        parse: function(e) {
            var i = {}
              , r = {};
            function t(e, t) {
                if (void 0 !== i[t])
                    return i[t];
                var n = e.interleavedBuffers[t]
                  , e = function(e, t) {
                    if (void 0 !== r[t])
                        return r[t];
                    e = e.arrayBuffers[t],
                    e = new Uint32Array(e).buffer;
                    return r[t] = e
                }(e, n.buffer)
                  , e = new ys(vr(n.type, e),n.stride);
                return e.uuid = n.uuid,
                i[t] = e
            }
            var n = new (e.isInstancedBufferGeometry ? ud : Mr)
              , a = e.data.index;
            void 0 !== a && (_ = vr(a.type, a.array),
            n.setIndex(new nr(_,1)));
            var o, s = e.data.attributes;
            for (o in s) {
                var l, u = s[o], c = void 0;
                c = u.isInterleavedBufferAttribute ? new xs(t(e.data, u.data),u.itemSize,u.offset,u.normalized) : (l = vr(u.type, u.array),
                new (u.isInstancedBufferAttribute ? cd : nr)(l,u.itemSize,u.normalized)),
                void 0 !== u.name && (c.name = u.name),
                n.setAttribute(o, c)
            }
            var d = e.data.morphAttributes;
            if (d)
                for (var h in d) {
                    for (var p = d[h], f = [], m = 0, v = p.length; m < v; m++) {
                        var g = p[m]
                          , y = void 0;
                        y = g.isInterleavedBufferAttribute ? new xs(t(e.data, g.data),g.itemSize,g.offset,g.normalized) : new nr(vr(g.type, g.array),g.itemSize,g.normalized),
                        void 0 !== g.name && (y.name = g.name),
                        f.push(y)
                    }
                    n.morphAttributes[h] = f
                }
            e.data.morphTargetsRelative && (n.morphTargetsRelative = !0);
            var w = e.data.groups || e.data.drawcalls || e.data.offsets;
            if (void 0 !== w)
                for (var b = 0, x = w.length; b !== x; ++b) {
                    var E = w[b];
                    n.addGroup(E.start, E.count, E.materialIndex)
                }
            var _, a = e.data.boundingSphere;
            return void 0 !== a && (_ = new Cn,
            void 0 !== a.center && _.fromArray(a.center),
            n.boundingSphere = new qn(_,a.radius)),
            e.name && (n.name = e.name),
            e.userData && (n.userData = e.userData),
            n
        }
    });
    var hd, pd = function() {
        y(n, mc);
        var t = w(n);
        function n(e) {
            return O(this, n),
            t.call(this, e)
        }
        return h(n, [{
            key: "load",
            value: function(n, i, e, r) {
                var a = this
                  , t = "" === this.path ? ld.extractUrlBase(n) : this.path;
                this.resourcePath = this.resourcePath || t;
                t = new gc(this.manager);
                t.setPath(this.path),
                t.setRequestHeader(this.requestHeader),
                t.setWithCredentials(this.withCredentials),
                t.load(n, function(e) {
                    var t = null;
                    try {
                        t = JSON.parse(e)
                    } catch (e) {
                        return void 0 !== r && r(e),
                        void console.error("THREE:ObjectLoader: Can't parse " + n + ".", e.message)
                    }
                    e = t.metadata;
                    void 0 !== e && void 0 !== e.type && "geometry" !== e.type.toLowerCase() ? a.parse(t, i) : console.error("THREE.ObjectLoader: Can't load " + n)
                }, e, r)
            }
        }, {
            key: "parse",
            value: function(e, t) {
                var n = this.parseAnimations(e.animations)
                  , i = this.parseShapes(e.shapes)
                  , r = this.parseGeometries(e.geometries, i)
                  , a = this.parseImages(e.images, function() {
                    void 0 !== t && t(o)
                })
                  , i = this.parseTextures(e.textures, a)
                  , i = this.parseMaterials(e.materials, i)
                  , o = this.parseObject(e.object, r, i, n)
                  , e = this.parseSkeletons(e.skeletons, o);
                if (this.bindSkeletons(o, e),
                void 0 !== t) {
                    var s, l = !1;
                    for (s in a)
                        if (a[s]instanceof HTMLImageElement) {
                            l = !0;
                            break
                        }
                    !1 === l && t(o)
                }
                return o
            }
        }, {
            key: "parseShapes",
            value: function(e) {
                var t = {};
                if (void 0 !== e)
                    for (var n = 0, i = e.length; n < i; n++) {
                        var r = (new Xc).fromJSON(e[n]);
                        t[r.uuid] = r
                    }
                return t
            }
        }, {
            key: "parseSkeletons",
            value: function(e, t) {
                var n = {}
                  , i = {};
                if (t.traverse(function(e) {
                    e.isBone && (i[e.uuid] = e)
                }),
                void 0 !== e)
                    for (var r = 0, a = e.length; r < a; r++) {
                        var o = (new Ys).fromJSON(e[r], i);
                        n[o.uuid] = o
                    }
                return n
            }
        }, {
            key: "parseGeometries",
            value: function(e, t) {
                var n = {};
                if (void 0 !== e)
                    for (var i = new dd, r = 0, a = e.length; r < a; r++) {
                        var o = void 0
                          , s = e[r];
                        switch (s.type) {
                        case "PlaneGeometry":
                        case "PlaneBufferGeometry":
                            o = new Nu[s.type](s.width,s.height,s.widthSegments,s.heightSegments);
                            break;
                        case "BoxGeometry":
                        case "BoxBufferGeometry":
                        case "CubeGeometry":
                            o = new Nu[s.type](s.width,s.height,s.depth,s.widthSegments,s.heightSegments,s.depthSegments);
                            break;
                        case "CircleGeometry":
                        case "CircleBufferGeometry":
                            o = new Nu[s.type](s.radius,s.segments,s.thetaStart,s.thetaLength);
                            break;
                        case "CylinderGeometry":
                        case "CylinderBufferGeometry":
                            o = new Nu[s.type](s.radiusTop,s.radiusBottom,s.height,s.radialSegments,s.heightSegments,s.openEnded,s.thetaStart,s.thetaLength);
                            break;
                        case "ConeGeometry":
                        case "ConeBufferGeometry":
                            o = new Nu[s.type](s.radius,s.height,s.radialSegments,s.heightSegments,s.openEnded,s.thetaStart,s.thetaLength);
                            break;
                        case "SphereGeometry":
                        case "SphereBufferGeometry":
                            o = new Nu[s.type](s.radius,s.widthSegments,s.heightSegments,s.phiStart,s.phiLength,s.thetaStart,s.thetaLength);
                            break;
                        case "DodecahedronGeometry":
                        case "DodecahedronBufferGeometry":
                        case "IcosahedronGeometry":
                        case "IcosahedronBufferGeometry":
                        case "OctahedronGeometry":
                        case "OctahedronBufferGeometry":
                        case "TetrahedronGeometry":
                        case "TetrahedronBufferGeometry":
                            o = new Nu[s.type](s.radius,s.detail);
                            break;
                        case "RingGeometry":
                        case "RingBufferGeometry":
                            o = new Nu[s.type](s.innerRadius,s.outerRadius,s.thetaSegments,s.phiSegments,s.thetaStart,s.thetaLength);
                            break;
                        case "TorusGeometry":
                        case "TorusBufferGeometry":
                            o = new Nu[s.type](s.radius,s.tube,s.radialSegments,s.tubularSegments,s.arc);
                            break;
                        case "TorusKnotGeometry":
                        case "TorusKnotBufferGeometry":
                            o = new Nu[s.type](s.radius,s.tube,s.tubularSegments,s.radialSegments,s.p,s.q);
                            break;
                        case "TubeGeometry":
                        case "TubeBufferGeometry":
                            o = new Nu[s.type]((new Vc[s.path.type]).fromJSON(s.path),s.tubularSegments,s.radius,s.radialSegments,s.closed);
                            break;
                        case "LatheGeometry":
                        case "LatheBufferGeometry":
                            o = new Nu[s.type](s.points,s.segments,s.phiStart,s.phiLength);
                            break;
                        case "PolyhedronGeometry":
                        case "PolyhedronBufferGeometry":
                            o = new Nu[s.type](s.vertices,s.indices,s.radius,s.details);
                            break;
                        case "ShapeGeometry":
                        case "ShapeBufferGeometry":
                            for (var l = [], u = 0, c = s.shapes.length; u < c; u++) {
                                var d = t[s.shapes[u]];
                                l.push(d)
                            }
                            o = new Nu[s.type](l,s.curveSegments);
                            break;
                        case "ExtrudeGeometry":
                        case "ExtrudeBufferGeometry":
                            l = [];
                            for (var h = 0, p = s.shapes.length; h < p; h++) {
                                var f = t[s.shapes[h]];
                                l.push(f)
                            }
                            var m = s.options.extrudePath;
                            void 0 !== m && (s.options.extrudePath = (new Vc[m.type]).fromJSON(m)),
                            o = new Nu[s.type](l,s.options);
                            break;
                        case "BufferGeometry":
                        case "InstancedBufferGeometry":
                            o = i.parse(s);
                            break;
                        case "Geometry":
                            console.error('THREE.ObjectLoader: Loading "Geometry" is not supported anymore.');
                            break;
                        default:
                            console.warn('THREE.ObjectLoader: Unsupported geometry type "' + s.type + '"');
                            continue
                        }
                        o.uuid = s.uuid,
                        void 0 !== s.name && (o.name = s.name),
                        !0 === o.isBufferGeometry && void 0 !== s.userData && (o.userData = s.userData),
                        n[s.uuid] = o
                    }
                return n
            }
        }, {
            key: "parseMaterials",
            value: function(e, t) {
                var n = {}
                  , i = {};
                if (void 0 !== e) {
                    var r = new sd;
                    r.setTextures(t);
                    for (var a = 0, o = e.length; a < o; a++) {
                        var s = e[a];
                        if ("MultiMaterial" === s.type) {
                            for (var l = [], u = 0; u < s.materials.length; u++) {
                                var c = s.materials[u];
                                void 0 === n[c.uuid] && (n[c.uuid] = r.parse(c)),
                                l.push(n[c.uuid])
                            }
                            i[s.uuid] = l
                        } else
                            void 0 === n[s.uuid] && (n[s.uuid] = r.parse(s)),
                            i[s.uuid] = n[s.uuid]
                    }
                }
                return i
            }
        }, {
            key: "parseAnimations",
            value: function(e) {
                var t = {};
                if (void 0 !== e)
                    for (var n = 0; n < e.length; n++) {
                        var i = e[n]
                          , i = cc.parse(i);
                        t[i.uuid] = i
                    }
                return t
            }
        }, {
            key: "parseImages",
            value: function(e, t) {
                var n = this
                  , i = {};
                function r(e) {
                    if ("string" != typeof e)
                        return e.data ? {
                            data: vr(e.type, e.data),
                            width: e.width,
                            height: e.height
                        } : null;
                    var t, e = e, e = /^(\/\/)|([a-z]+:(\/\/)?)/i.test(e) ? e : n.resourcePath + e;
                    return t = e,
                    n.manager.itemStart(t),
                    a.load(t, function() {
                        n.manager.itemEnd(t)
                    }, void 0, function() {
                        n.manager.itemError(t),
                        n.manager.itemEnd(t)
                    })
                }
                if (void 0 !== e && 0 < e.length) {
                    var a, t = new pc(t);
                    (a = new bc(t)).setCrossOrigin(this.crossOrigin);
                    for (var o = 0, s = e.length; o < s; o++) {
                        var l = e[o]
                          , u = l.url;
                        if (Array.isArray(u)) {
                            i[l.uuid] = [];
                            for (var c = 0, d = u.length; c < d; c++) {
                                var h = r(u[c]);
                                null !== h && (h instanceof HTMLImageElement ? i[l.uuid].push(h) : i[l.uuid].push(new ia(h.data,h.width,h.height)))
                            }
                        } else {
                            var p = r(l.url);
                            null !== p && (i[l.uuid] = p)
                        }
                    }
                }
                return i
            }
        }, {
            key: "parseTextures",
            value: function(e, t) {
                function n(e, t) {
                    return "number" == typeof e ? e : (console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.", e),
                    t[e])
                }
                var i = {};
                if (void 0 !== e)
                    for (var r = 0, a = e.length; r < a; r++) {
                        var o = e[r];
                        void 0 === o.image && console.warn('THREE.ObjectLoader: No "image" specified for', o.uuid),
                        void 0 === t[o.image] && console.warn("THREE.ObjectLoader: Undefined image", o.image);
                        var s = void 0
                          , l = t[o.image];
                        Array.isArray(l) ? (s = new ta(l),
                        6 === l.length && (s.needsUpdate = !0)) : (s = l && l.data ? new ia(l.data,l.width,l.height) : new En(l),
                        l && (s.needsUpdate = !0)),
                        s.uuid = o.uuid,
                        void 0 !== o.name && (s.name = o.name),
                        void 0 !== o.mapping && (s.mapping = n(o.mapping, fd)),
                        void 0 !== o.offset && s.offset.fromArray(o.offset),
                        void 0 !== o.repeat && s.repeat.fromArray(o.repeat),
                        void 0 !== o.center && s.center.fromArray(o.center),
                        void 0 !== o.rotation && (s.rotation = o.rotation),
                        void 0 !== o.wrap && (s.wrapS = n(o.wrap[0], md),
                        s.wrapT = n(o.wrap[1], md)),
                        void 0 !== o.format && (s.format = o.format),
                        void 0 !== o.type && (s.type = o.type),
                        void 0 !== o.encoding && (s.encoding = o.encoding),
                        void 0 !== o.minFilter && (s.minFilter = n(o.minFilter, vd)),
                        void 0 !== o.magFilter && (s.magFilter = n(o.magFilter, vd)),
                        void 0 !== o.anisotropy && (s.anisotropy = o.anisotropy),
                        void 0 !== o.flipY && (s.flipY = o.flipY),
                        void 0 !== o.premultiplyAlpha && (s.premultiplyAlpha = o.premultiplyAlpha),
                        void 0 !== o.unpackAlignment && (s.unpackAlignment = o.unpackAlignment),
                        i[o.uuid] = s
                    }
                return i
            }
        }, {
            key: "parseObject",
            value: function(e, t, a, n) {
                function i(e) {
                    return void 0 === t[e] && console.warn("THREE.ObjectLoader: Undefined geometry", e),
                    t[e]
                }
                function r(e) {
                    if (void 0 !== e) {
                        if (Array.isArray(e)) {
                            for (var t = [], n = 0, i = e.length; n < i; n++) {
                                var r = e[n];
                                void 0 === a[r] && console.warn("THREE.ObjectLoader: Undefined material", r),
                                t.push(a[r])
                            }
                            return t
                        }
                        return void 0 === a[e] && console.warn("THREE.ObjectLoader: Undefined material", e),
                        a[e]
                    }
                }
                switch (e.type) {
                case "Scene":
                    o = new gs,
                    void 0 !== e.background && Number.isInteger(e.background) && (o.background = new Yi(e.background)),
                    void 0 !== e.fog && ("Fog" === e.fog.type ? o.fog = new vs(e.fog.color,e.fog.near,e.fog.far) : "FogExp2" === e.fog.type && (o.fog = new ms(e.fog.color,e.fog.density)));
                    break;
                case "PerspectiveCamera":
                    o = new $r(e.fov,e.aspect,e.near,e.far),
                    void 0 !== e.focus && (o.focus = e.focus),
                    void 0 !== e.zoom && (o.zoom = e.zoom),
                    void 0 !== e.filmGauge && (o.filmGauge = e.filmGauge),
                    void 0 !== e.filmOffset && (o.filmOffset = e.filmOffset),
                    void 0 !== e.view && (o.view = Object.assign({}, e.view));
                    break;
                case "OrthographicCamera":
                    o = new ed(e.left,e.right,e.top,e.bottom,e.near,e.far),
                    void 0 !== e.zoom && (o.zoom = e.zoom),
                    void 0 !== e.view && (o.view = Object.assign({}, e.view));
                    break;
                case "AmbientLight":
                    o = new id(e.color,e.intensity);
                    break;
                case "DirectionalLight":
                    o = new nd(e.color,e.intensity);
                    break;
                case "PointLight":
                    o = new $c(e.color,e.intensity,e.distance,e.decay);
                    break;
                case "RectAreaLight":
                    o = new rd(e.color,e.intensity,e.width,e.height);
                    break;
                case "SpotLight":
                    o = new Qc(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);
                    break;
                case "HemisphereLight":
                    o = new Jc(e.color,e.groundColor,e.intensity);
                    break;
                case "LightProbe":
                    o = (new od).fromJSON(e);
                    break;
                case "SkinnedMesh":
                    o = new Ws(s = i(e.geometry),l = r(e.material)),
                    void 0 !== e.bindMode && (o.bindMode = e.bindMode),
                    void 0 !== e.bindMatrix && o.bindMatrix.fromArray(e.bindMatrix),
                    void 0 !== e.skeleton && (o.skeleton = e.skeleton);
                    break;
                case "Mesh":
                    o = new Hr(s = i(e.geometry),l = r(e.material));
                    break;
                case "InstancedMesh":
                    var o, s = i(e.geometry), l = r(e.material), u = e.count, c = e.instanceMatrix;
                    (o = new el(s,l,u)).instanceMatrix = new nr(new Float32Array(c.array),16);
                    break;
                case "LOD":
                    o = new Ns;
                    break;
                case "Line":
                    o = new sl(i(e.geometry),r(e.material));
                    break;
                case "LineLoop":
                    o = new dl(i(e.geometry),r(e.material));
                    break;
                case "LineSegments":
                    o = new cl(i(e.geometry),r(e.material));
                    break;
                case "PointCloud":
                case "Points":
                    o = new gl(i(e.geometry),r(e.material));
                    break;
                case "Sprite":
                    o = new Fs(r(e.material));
                    break;
                case "Group":
                    o = new us;
                    break;
                case "Bone":
                    o = new Xs;
                    break;
                default:
                    o = new Si
                }
                if (o.uuid = e.uuid,
                void 0 !== e.name && (o.name = e.name),
                void 0 !== e.matrix ? (o.matrix.fromArray(e.matrix),
                void 0 !== e.matrixAutoUpdate && (o.matrixAutoUpdate = e.matrixAutoUpdate),
                o.matrixAutoUpdate && o.matrix.decompose(o.position, o.quaternion, o.scale)) : (void 0 !== e.position && o.position.fromArray(e.position),
                void 0 !== e.rotation && o.rotation.fromArray(e.rotation),
                void 0 !== e.quaternion && o.quaternion.fromArray(e.quaternion),
                void 0 !== e.scale && o.scale.fromArray(e.scale)),
                void 0 !== e.castShadow && (o.castShadow = e.castShadow),
                void 0 !== e.receiveShadow && (o.receiveShadow = e.receiveShadow),
                e.shadow && (void 0 !== e.shadow.bias && (o.shadow.bias = e.shadow.bias),
                void 0 !== e.shadow.normalBias && (o.shadow.normalBias = e.shadow.normalBias),
                void 0 !== e.shadow.radius && (o.shadow.radius = e.shadow.radius),
                void 0 !== e.shadow.mapSize && o.shadow.mapSize.fromArray(e.shadow.mapSize),
                void 0 !== e.shadow.camera && (o.shadow.camera = this.parseObject(e.shadow.camera))),
                void 0 !== e.visible && (o.visible = e.visible),
                void 0 !== e.frustumCulled && (o.frustumCulled = e.frustumCulled),
                void 0 !== e.renderOrder && (o.renderOrder = e.renderOrder),
                void 0 !== e.userData && (o.userData = e.userData),
                void 0 !== e.layers && (o.layers.mask = e.layers),
                void 0 !== e.children)
                    for (var d = e.children, h = 0; h < d.length; h++)
                        o.add(this.parseObject(d[h], t, a, n));
                if (void 0 !== e.animations)
                    for (var p = e.animations, f = 0; f < p.length; f++) {
                        var m = p[f];
                        o.animations.push(n[m])
                    }
                if ("LOD" === e.type) {
                    void 0 !== e.autoUpdate && (o.autoUpdate = e.autoUpdate);
                    for (var v = e.levels, g = 0; g < v.length; g++) {
                        var y = v[g]
                          , w = o.getObjectByProperty("uuid", y.object);
                        void 0 !== w && o.addLevel(w, y.distance)
                    }
                }
                return o
            }
        }, {
            key: "bindSkeletons",
            value: function(e, n) {
                0 !== Object.keys(n).length && e.traverse(function(e) {
                    var t;
                    !0 === e.isSkinnedMesh && void 0 !== e.skeleton && (void 0 === (t = n[e.skeleton]) ? console.warn("THREE.ObjectLoader: No skeleton found with UUID:", e.skeleton) : e.bind(t, e.bindMatrix))
                })
            }
        }, {
            key: "setTexturePath",
            value: function(e) {
                return console.warn("THREE.ObjectLoader: .setTexturePath() has been renamed to .setResourcePath()."),
                this.setResourcePath(e)
            }
        }]),
        n
    }(), fd = {
        UVMapping: 300,
        CubeReflectionMapping: L,
        CubeRefractionMapping: R,
        EquirectangularReflectionMapping: F,
        EquirectangularRefractionMapping: I,
        CubeUVReflectionMapping: z,
        CubeUVRefractionMapping: U
    }, md = {
        RepeatWrapping: ke,
        ClampToEdgeWrapping: Be,
        MirroredRepeatWrapping: Le
    }, vd = {
        NearestFilter: Re,
        NearestMipmapNearestFilter: Fe,
        NearestMipmapLinearFilter: Ie,
        LinearFilter: Oe,
        LinearMipmapNearestFilter: ze,
        LinearMipmapLinearFilter: Ne
    };
    function gd(e) {
        "undefined" == typeof createImageBitmap && console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),
        "undefined" == typeof fetch && console.warn("THREE.ImageBitmapLoader: fetch() not supported."),
        mc.call(this, e),
        this.options = {
            premultiplyAlpha: "none"
        }
    }
    function yd() {
        this.type = "ShapePath",
        this.color = new Yi,
        this.subPaths = [],
        this.currentPath = null
    }
    function wd(e) {
        this.type = "Font",
        this.data = e
    }
    function bd(e) {
        mc.call(this, e)
    }
    gd.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: gd,
        isImageBitmapLoader: !0,
        setOptions: function(e) {
            return this.options = e,
            this
        },
        load: function(t, n, e, i) {
            void 0 === t && (t = ""),
            void 0 !== this.path && (t = this.path + t),
            t = this.manager.resolveURL(t);
            var r = this
              , a = hc.get(t);
            if (void 0 !== a)
                return r.manager.itemStart(t),
                setTimeout(function() {
                    n && n(a),
                    r.manager.itemEnd(t)
                }, 0),
                a;
            var o = {};
            o.credentials = "anonymous" === this.crossOrigin ? "same-origin" : "include",
            fetch(t, o).then(function(e) {
                return e.blob()
            }).then(function(e) {
                return createImageBitmap(e, r.options)
            }).then(function(e) {
                hc.add(t, e),
                n && n(e),
                r.manager.itemEnd(t)
            }).catch(function(e) {
                i && i(e, t),
                r.manager.itemError(t),
                r.manager.itemEnd(t)
            }),
            r.manager.itemStart(t)
        }
    }),
    Object.assign(yd.prototype, {
        moveTo: function(e, t) {
            return this.currentPath = new Wc,
            this.subPaths.push(this.currentPath),
            this.currentPath.moveTo(e, t),
            this
        },
        lineTo: function(e, t) {
            return this.currentPath.lineTo(e, t),
            this
        },
        quadraticCurveTo: function(e, t, n, i) {
            return this.currentPath.quadraticCurveTo(e, t, n, i),
            this
        },
        bezierCurveTo: function(e, t, n, i, r, a) {
            return this.currentPath.bezierCurveTo(e, t, n, i, r, a),
            this
        },
        splineThru: function(e) {
            return this.currentPath.splineThru(e),
            this
        },
        toShapes: function(e, t) {
            function n(e) {
                for (var t = [], n = 0, i = e.length; n < i; n++) {
                    var r = e[n]
                      , a = new Xc;
                    a.curves = r.curves,
                    t.push(a)
                }
                return t
            }
            var i, r, a, o = ou.isClockWise, s = this.subPaths;
            if (0 === s.length)
                return [];
            if (!0 === t)
                return n(s);
            var l = [];
            if (1 === s.length)
                return r = s[0],
                (a = new Xc).curves = r.curves,
                l.push(a),
                l;
            var u, c = !o(s[0].getPoints()), c = e ? !c : c, d = [], h = [], p = [], f = 0;
            h[f] = void 0,
            p[f] = [];
            for (var m = 0, v = s.length; m < v; m++)
                i = o(u = (r = s[m]).getPoints()),
                (i = e ? !i : i) ? (!c && h[f] && f++,
                h[f] = {
                    s: new Xc,
                    p: u
                },
                h[f].s.curves = r.curves,
                c && f++,
                p[f] = []) : p[f].push({
                    h: r,
                    p: u[0]
                });
            if (!h[0])
                return n(s);
            if (1 < h.length) {
                for (var g = !1, y = [], w = 0, b = h.length; w < b; w++)
                    d[w] = [];
                for (var x = 0, E = h.length; x < E; x++)
                    for (var _ = p[x], M = 0; M < _.length; M++) {
                        for (var A = _[M], T = !0, S = 0; S < h.length; S++)
                            !function(e, t) {
                                for (var n = t.length, i = !1, r = n - 1, a = 0; a < n; r = a++) {
                                    var o = t[r]
                                      , s = t[a]
                                      , l = s.x - o.x
                                      , u = s.y - o.y;
                                    if (Math.abs(u) > Number.EPSILON) {
                                        if (u < 0 && (o = t[a],
                                        l = -l,
                                        s = t[r],
                                        u = -u),
                                        !(e.y < o.y || e.y > s.y))
                                            if (e.y === o.y) {
                                                if (e.x === o.x)
                                                    return 1
                                            } else {
                                                l = u * (e.x - o.x) - l * (e.y - o.y);
                                                if (0 == l)
                                                    return 1;
                                                l < 0 || (i = !i)
                                            }
                                    } else if (e.y === o.y && (s.x <= e.x && e.x <= o.x || o.x <= e.x && e.x <= s.x))
                                        return 1
                                }
                                return i
                            }(A.p, h[S].p) || (x !== S && y.push({
                                froms: x,
                                tos: S,
                                hole: M
                            }),
                            T ? (T = !1,
                            d[S].push(A)) : g = !0);
                        T && d[x].push(A)
                    }
                0 < y.length && (g || (p = d))
            }
            for (var C = 0, P = h.length; C < P; C++) {
                a = h[C].s,
                l.push(a);
                for (var D, k = 0, B = (D = p[C]).length; k < B; k++)
                    a.holes.push(D[k].h)
            }
            return l
        }
    }),
    Object.assign(wd.prototype, {
        isFont: !0,
        generateShapes: function(e) {
            for (var t = [], n = function(e, t, n) {
                for (var i = Array.from ? Array.from(e) : String(e).split(""), r = t / n.resolution, a = (n.boundingBox.yMax - n.boundingBox.yMin + n.underlineThickness) * r, o = [], s = 0, l = 0, u = 0; u < i.length; u++) {
                    var c = i[u];
                    "\n" === c ? (s = 0,
                    l -= a) : (c = function(e, t, n, i, r) {
                        var a = r.glyphs[e] || r.glyphs["?"];
                        if (a) {
                            var o, s, l, u, c, d, h, p, f = new yd;
                            if (a.o)
                                for (var m = a._cachedOutline || (a._cachedOutline = a.o.split(" ")), v = 0, g = m.length; v < g; )
                                    switch (m[v++]) {
                                    case "m":
                                        o = m[v++] * t + n,
                                        s = m[v++] * t + i,
                                        f.moveTo(o, s);
                                        break;
                                    case "l":
                                        o = m[v++] * t + n,
                                        s = m[v++] * t + i,
                                        f.lineTo(o, s);
                                        break;
                                    case "q":
                                        l = m[v++] * t + n,
                                        u = m[v++] * t + i,
                                        c = m[v++] * t + n,
                                        d = m[v++] * t + i,
                                        f.quadraticCurveTo(c, d, l, u);
                                        break;
                                    case "b":
                                        l = m[v++] * t + n,
                                        u = m[v++] * t + i,
                                        c = m[v++] * t + n,
                                        d = m[v++] * t + i,
                                        h = m[v++] * t + n,
                                        p = m[v++] * t + i,
                                        f.bezierCurveTo(c, d, h, p, l, u)
                                    }
                            return {
                                offsetX: a.ha * t,
                                path: f
                            }
                        }
                        console.error('THREE.Font: character "' + e + '" does not exists in font family ' + r.familyName + ".")
                    }(c, r, s, l, n),
                    s += c.offsetX,
                    o.push(c.path))
                }
                return o
            }(e, 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 100, this.data), i = 0, r = n.length; i < r; i++)
                Array.prototype.push.apply(t, n[i].toShapes());
            return t
        }
    }),
    bd.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: bd,
        load: function(e, i, t, n) {
            var r = this
              , a = new gc(this.manager);
            a.setPath(this.path),
            a.setRequestHeader(this.requestHeader),
            a.setWithCredentials(r.withCredentials),
            a.load(e, function(t) {
                try {
                    n = JSON.parse(t)
                } catch (e) {
                    console.warn("THREE.FontLoader: typeface.js support is being deprecated. Use typeface.json instead."),
                    n = JSON.parse(t.substring(65, t.length - 2))
                }
                var n = r.parse(n);
                i && i(n)
            }, t, n)
        },
        parse: function(e) {
            return new wd(e)
        }
    });
    var xd = {
        getContext: function() {
            return hd = void 0 === hd ? new (window.AudioContext || window.webkitAudioContext) : hd
        },
        setContext: function(e) {
            hd = e
        }
    };
    function Ed(e) {
        mc.call(this, e)
    }
    function _d(e, t, n) {
        od.call(this, void 0, n);
        var i = (new Yi).set(e)
          , n = (new Yi).set(t)
          , e = new Cn(i.r,i.g,i.b)
          , t = new Cn(n.r,n.g,n.b)
          , i = Math.sqrt(Math.PI)
          , n = i * Math.sqrt(.75);
        this.sh.coefficients[0].copy(e).add(t).multiplyScalar(i),
        this.sh.coefficients[1].copy(e).sub(t).multiplyScalar(n)
    }
    function Md(e, t) {
        od.call(this, void 0, t);
        e = (new Yi).set(e);
        this.sh.coefficients[0].set(e.r, e.g, e.b).multiplyScalar(2 * Math.sqrt(Math.PI))
    }
    Ed.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: Ed,
        load: function(n, i, e, r) {
            var a = this
              , t = new gc(a.manager);
            t.setResponseType("arraybuffer"),
            t.setPath(a.path),
            t.setRequestHeader(a.requestHeader),
            t.setWithCredentials(a.withCredentials),
            t.load(n, function(e) {
                try {
                    var t = e.slice(0);
                    xd.getContext().decodeAudioData(t, function(e) {
                        i(e)
                    })
                } catch (e) {
                    r ? r(e) : console.error(e),
                    a.manager.itemError(n)
                }
            }, e, r)
        }
    }),
    _d.prototype = Object.assign(Object.create(od.prototype), {
        constructor: _d,
        isHemisphereLightProbe: !0,
        copy: function(e) {
            return od.prototype.copy.call(this, e),
            this
        },
        toJSON: function(e) {
            return od.prototype.toJSON.call(this, e)
        }
    }),
    Md.prototype = Object.assign(Object.create(od.prototype), {
        constructor: Md,
        isAmbientLightProbe: !0,
        copy: function(e) {
            return od.prototype.copy.call(this, e),
            this
        },
        toJSON: function(e) {
            return od.prototype.toJSON.call(this, e)
        }
    });
    var Ad = new ni
      , Td = new ni;
    function Sd() {
        this.type = "StereoCamera",
        this.aspect = 1,
        this.eyeSep = .064,
        this.cameraL = new $r,
        this.cameraL.layers.enable(1),
        this.cameraL.matrixAutoUpdate = !1,
        this.cameraR = new $r,
        this.cameraR.layers.enable(2),
        this.cameraR.matrixAutoUpdate = !1,
        this._cache = {
            focus: null,
            fov: null,
            aspect: null,
            near: null,
            far: null,
            zoom: null,
            eyeSep: null
        }
    }
    Object.assign(Sd.prototype, {
        update: function(e) {
            var t, n, i, r, a, o = this._cache;
            o.focus === e.focus && o.fov === e.fov && o.aspect === e.aspect * this.aspect && o.near === e.near && o.far === e.far && o.zoom === e.zoom && o.eyeSep === this.eyeSep || (o.focus = e.focus,
            o.fov = e.fov,
            o.aspect = e.aspect * this.aspect,
            o.near = e.near,
            o.far = e.far,
            o.zoom = e.zoom,
            o.eyeSep = this.eyeSep,
            t = e.projectionMatrix.clone(),
            n = (a = o.eyeSep / 2) * o.near / o.focus,
            i = o.near * Math.tan(gn.DEG2RAD * o.fov * .5) / o.zoom,
            Td.elements[12] = -a,
            Ad.elements[12] = a,
            r = -i * o.aspect + n,
            a = i * o.aspect + n,
            t.elements[0] = 2 * o.near / (a - r),
            t.elements[8] = (a + r) / (a - r),
            this.cameraL.projectionMatrix.copy(t),
            r = -i * o.aspect - n,
            a = i * o.aspect - n,
            t.elements[0] = 2 * o.near / (a - r),
            t.elements[8] = (a + r) / (a - r),
            this.cameraR.projectionMatrix.copy(t)),
            this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Td),
            this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Ad)
        }
    });
    var Cd = function() {
        function t(e) {
            O(this, t),
            this.autoStart = void 0 === e || e,
            this.startTime = 0,
            this.oldTime = 0,
            this.elapsedTime = 0,
            this.running = !1
        }
        return h(t, [{
            key: "start",
            value: function() {
                this.startTime = Pd(),
                this.oldTime = this.startTime,
                this.elapsedTime = 0,
                this.running = !0
            }
        }, {
            key: "stop",
            value: function() {
                this.getElapsedTime(),
                this.running = !1,
                this.autoStart = !1
            }
        }, {
            key: "getElapsedTime",
            value: function() {
                return this.getDelta(),
                this.elapsedTime
            }
        }, {
            key: "getDelta",
            value: function() {
                var e, t = 0;
                return this.autoStart && !this.running ? (this.start(),
                0) : (this.running && (t = ((e = Pd()) - this.oldTime) / 1e3,
                this.oldTime = e,
                this.elapsedTime += t),
                t)
            }
        }]),
        t
    }();
    function Pd() {
        return ("undefined" == typeof performance ? Date : performance).now()
    }
    var Dd = new Cn
      , kd = new Sn
      , Bd = new Cn
      , Ld = new Cn
      , Rd = function() {
        y(i, Si);
        var t = w(i);
        function i() {
            var e;
            return O(this, i),
            (e = t.call(this)).type = "AudioListener",
            e.context = xd.getContext(),
            e.gain = e.context.createGain(),
            e.gain.connect(e.context.destination),
            e.filter = null,
            e.timeDelta = 0,
            e._clock = new Cd,
            e
        }
        return h(i, [{
            key: "getInput",
            value: function() {
                return this.gain
            }
        }, {
            key: "removeFilter",
            value: function() {
                return null !== this.filter && (this.gain.disconnect(this.filter),
                this.filter.disconnect(this.context.destination),
                this.gain.connect(this.context.destination),
                this.filter = null),
                this
            }
        }, {
            key: "getFilter",
            value: function() {
                return this.filter
            }
        }, {
            key: "setFilter",
            value: function(e) {
                return null !== this.filter ? (this.gain.disconnect(this.filter),
                this.filter.disconnect(this.context.destination)) : this.gain.disconnect(this.context.destination),
                this.filter = e,
                this.gain.connect(this.filter),
                this.filter.connect(this.context.destination),
                this
            }
        }, {
            key: "getMasterVolume",
            value: function() {
                return this.gain.gain.value
            }
        }, {
            key: "setMasterVolume",
            value: function(e) {
                return this.gain.gain.setTargetAtTime(e, this.context.currentTime, .01),
                this
            }
        }, {
            key: "updateMatrixWorld",
            value: function(e) {
                b(v(i.prototype), "updateMatrixWorld", this).call(this, e);
                var t = this.context.listener
                  , n = this.up;
                this.timeDelta = this._clock.getDelta(),
                this.matrixWorld.decompose(Dd, kd, Bd),
                Ld.set(0, 0, -1).applyQuaternion(kd),
                t.positionX ? (e = this.context.currentTime + this.timeDelta,
                t.positionX.linearRampToValueAtTime(Dd.x, e),
                t.positionY.linearRampToValueAtTime(Dd.y, e),
                t.positionZ.linearRampToValueAtTime(Dd.z, e),
                t.forwardX.linearRampToValueAtTime(Ld.x, e),
                t.forwardY.linearRampToValueAtTime(Ld.y, e),
                t.forwardZ.linearRampToValueAtTime(Ld.z, e),
                t.upX.linearRampToValueAtTime(n.x, e),
                t.upY.linearRampToValueAtTime(n.y, e),
                t.upZ.linearRampToValueAtTime(n.z, e)) : (t.setPosition(Dd.x, Dd.y, Dd.z),
                t.setOrientation(Ld.x, Ld.y, Ld.z, n.x, n.y, n.z))
            }
        }]),
        i
    }()
      , Fd = function() {
        y(i, Si);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).type = "Audio",
            t.listener = e,
            t.context = e.context,
            t.gain = t.context.createGain(),
            t.gain.connect(e.getInput()),
            t.autoplay = !1,
            t.buffer = null,
            t.detune = 0,
            t.loop = !1,
            t.loopStart = 0,
            t.loopEnd = 0,
            t.offset = 0,
            t.duration = void 0,
            t.playbackRate = 1,
            t.isPlaying = !1,
            t.hasPlaybackControl = !0,
            t.source = null,
            t.sourceType = "empty",
            t._startedAt = 0,
            t._progress = 0,
            t._connected = !1,
            t.filters = [],
            t
        }
        return h(i, [{
            key: "getOutput",
            value: function() {
                return this.gain
            }
        }, {
            key: "setNodeSource",
            value: function(e) {
                return this.hasPlaybackControl = !1,
                this.sourceType = "audioNode",
                this.source = e,
                this.connect(),
                this
            }
        }, {
            key: "setMediaElementSource",
            value: function(e) {
                return this.hasPlaybackControl = !1,
                this.sourceType = "mediaNode",
                this.source = this.context.createMediaElementSource(e),
                this.connect(),
                this
            }
        }, {
            key: "setMediaStreamSource",
            value: function(e) {
                return this.hasPlaybackControl = !1,
                this.sourceType = "mediaStreamNode",
                this.source = this.context.createMediaStreamSource(e),
                this.connect(),
                this
            }
        }, {
            key: "setBuffer",
            value: function(e) {
                return this.buffer = e,
                this.sourceType = "buffer",
                this.autoplay && this.play(),
                this
            }
        }, {
            key: "play",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0;
                if (!0 !== this.isPlaying) {
                    if (!1 !== this.hasPlaybackControl) {
                        this._startedAt = this.context.currentTime + e;
                        e = this.context.createBufferSource();
                        return e.buffer = this.buffer,
                        e.loop = this.loop,
                        e.loopStart = this.loopStart,
                        e.loopEnd = this.loopEnd,
                        e.onended = this.onEnded.bind(this),
                        e.start(this._startedAt, this._progress + this.offset, this.duration),
                        this.isPlaying = !0,
                        this.source = e,
                        this.setDetune(this.detune),
                        this.setPlaybackRate(this.playbackRate),
                        this.connect()
                    }
                    console.warn("THREE.Audio: this Audio has no playback control.")
                } else
                    console.warn("THREE.Audio: Audio is already playing.")
            }
        }, {
            key: "pause",
            value: function() {
                if (!1 !== this.hasPlaybackControl)
                    return !0 === this.isPlaying && (this._progress += Math.max(this.context.currentTime - this._startedAt, 0) * this.playbackRate,
                    !0 === this.loop && (this._progress = this._progress % (this.duration || this.buffer.duration)),
                    this.source.stop(),
                    this.source.onended = null,
                    this.isPlaying = !1),
                    this;
                console.warn("THREE.Audio: this Audio has no playback control.")
            }
        }, {
            key: "stop",
            value: function() {
                if (!1 !== this.hasPlaybackControl)
                    return this._progress = 0,
                    this.source.stop(),
                    this.source.onended = null,
                    this.isPlaying = !1,
                    this;
                console.warn("THREE.Audio: this Audio has no playback control.")
            }
        }, {
            key: "connect",
            value: function() {
                if (0 < this.filters.length) {
                    this.source.connect(this.filters[0]);
                    for (var e = 1, t = this.filters.length; e < t; e++)
                        this.filters[e - 1].connect(this.filters[e]);
                    this.filters[this.filters.length - 1].connect(this.getOutput())
                } else
                    this.source.connect(this.getOutput());
                return this._connected = !0,
                this
            }
        }, {
            key: "disconnect",
            value: function() {
                if (0 < this.filters.length) {
                    this.source.disconnect(this.filters[0]);
                    for (var e = 1, t = this.filters.length; e < t; e++)
                        this.filters[e - 1].disconnect(this.filters[e]);
                    this.filters[this.filters.length - 1].disconnect(this.getOutput())
                } else
                    this.source.disconnect(this.getOutput());
                return this._connected = !1,
                this
            }
        }, {
            key: "getFilters",
            value: function() {
                return this.filters
            }
        }, {
            key: "setFilters",
            value: function(e) {
                return e = e || [],
                !0 === this._connected ? (this.disconnect(),
                this.filters = e.slice(),
                this.connect()) : this.filters = e.slice(),
                this
            }
        }, {
            key: "setDetune",
            value: function(e) {
                if (this.detune = e,
                void 0 !== this.source.detune)
                    return !0 === this.isPlaying && this.source.detune.setTargetAtTime(this.detune, this.context.currentTime, .01),
                    this
            }
        }, {
            key: "getDetune",
            value: function() {
                return this.detune
            }
        }, {
            key: "getFilter",
            value: function() {
                return this.getFilters()[0]
            }
        }, {
            key: "setFilter",
            value: function(e) {
                return this.setFilters(e ? [e] : [])
            }
        }, {
            key: "setPlaybackRate",
            value: function(e) {
                if (!1 !== this.hasPlaybackControl)
                    return this.playbackRate = e,
                    !0 === this.isPlaying && this.source.playbackRate.setTargetAtTime(this.playbackRate, this.context.currentTime, .01),
                    this;
                console.warn("THREE.Audio: this Audio has no playback control.")
            }
        }, {
            key: "getPlaybackRate",
            value: function() {
                return this.playbackRate
            }
        }, {
            key: "onEnded",
            value: function() {
                this.isPlaying = !1
            }
        }, {
            key: "getLoop",
            value: function() {
                return !1 === this.hasPlaybackControl ? (console.warn("THREE.Audio: this Audio has no playback control."),
                !1) : this.loop
            }
        }, {
            key: "setLoop",
            value: function(e) {
                if (!1 !== this.hasPlaybackControl)
                    return this.loop = e,
                    !0 === this.isPlaying && (this.source.loop = this.loop),
                    this;
                console.warn("THREE.Audio: this Audio has no playback control.")
            }
        }, {
            key: "setLoopStart",
            value: function(e) {
                return this.loopStart = e,
                this
            }
        }, {
            key: "setLoopEnd",
            value: function(e) {
                return this.loopEnd = e,
                this
            }
        }, {
            key: "getVolume",
            value: function() {
                return this.gain.gain.value
            }
        }, {
            key: "setVolume",
            value: function(e) {
                return this.gain.gain.setTargetAtTime(e, this.context.currentTime, .01),
                this
            }
        }]),
        i
    }()
      , Id = new Cn
      , Od = new Sn
      , zd = new Cn
      , Nd = new Cn
      , Ud = function() {
        y(n, Fd);
        var t = w(n);
        function n(e) {
            return O(this, n),
            (e = t.call(this, e)).panner = e.context.createPanner(),
            e.panner.panningModel = "HRTF",
            e.panner.connect(e.gain),
            e
        }
        return h(n, [{
            key: "getOutput",
            value: function() {
                return this.panner
            }
        }, {
            key: "getRefDistance",
            value: function() {
                return this.panner.refDistance
            }
        }, {
            key: "setRefDistance",
            value: function(e) {
                return this.panner.refDistance = e,
                this
            }
        }, {
            key: "getRolloffFactor",
            value: function() {
                return this.panner.rolloffFactor
            }
        }, {
            key: "setRolloffFactor",
            value: function(e) {
                return this.panner.rolloffFactor = e,
                this
            }
        }, {
            key: "getDistanceModel",
            value: function() {
                return this.panner.distanceModel
            }
        }, {
            key: "setDistanceModel",
            value: function(e) {
                return this.panner.distanceModel = e,
                this
            }
        }, {
            key: "getMaxDistance",
            value: function() {
                return this.panner.maxDistance
            }
        }, {
            key: "setMaxDistance",
            value: function(e) {
                return this.panner.maxDistance = e,
                this
            }
        }, {
            key: "setDirectionalCone",
            value: function(e, t, n) {
                return this.panner.coneInnerAngle = e,
                this.panner.coneOuterAngle = t,
                this.panner.coneOuterGain = n,
                this
            }
        }, {
            key: "updateMatrixWorld",
            value: function(e) {
                var t;
                b(v(n.prototype), "updateMatrixWorld", this).call(this, e),
                !0 === this.hasPlaybackControl && !1 === this.isPlaying || (this.matrixWorld.decompose(Id, Od, zd),
                Nd.set(0, 0, 1).applyQuaternion(Od),
                (t = this.panner).positionX ? (e = this.context.currentTime + this.listener.timeDelta,
                t.positionX.linearRampToValueAtTime(Id.x, e),
                t.positionY.linearRampToValueAtTime(Id.y, e),
                t.positionZ.linearRampToValueAtTime(Id.z, e),
                t.orientationX.linearRampToValueAtTime(Nd.x, e),
                t.orientationY.linearRampToValueAtTime(Nd.y, e),
                t.orientationZ.linearRampToValueAtTime(Nd.z, e)) : (t.setPosition(Id.x, Id.y, Id.z),
                t.setOrientation(Nd.x, Nd.y, Nd.z)))
            }
        }]),
        n
    }()
      , Gd = function() {
        function n(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 2048;
            O(this, n),
            this.analyser = e.context.createAnalyser(),
            this.analyser.fftSize = t,
            this.data = new Uint8Array(this.analyser.frequencyBinCount),
            e.getOutput().connect(this.analyser)
        }
        return h(n, [{
            key: "getFrequencyData",
            value: function() {
                return this.analyser.getByteFrequencyData(this.data),
                this.data
            }
        }, {
            key: "getAverageFrequency",
            value: function() {
                for (var e = 0, t = this.getFrequencyData(), n = 0; n < t.length; n++)
                    e += t[n];
                return e / t.length
            }
        }]),
        n
    }();
    function Hd(e, t, n) {
        var i, r, a;
        switch (this.binding = e,
        this.valueSize = n,
        t) {
        case "quaternion":
            i = this._slerp,
            r = this._slerpAdditive,
            a = this._setAdditiveIdentityQuaternion,
            this.buffer = new Float64Array(6 * n),
            this._workIndex = 5;
            break;
        case "string":
        case "bool":
            i = this._select,
            r = this._select,
            a = this._setAdditiveIdentityOther,
            this.buffer = new Array(5 * n);
            break;
        default:
            i = this._lerp,
            r = this._lerpAdditive,
            a = this._setAdditiveIdentityNumeric,
            this.buffer = new Float64Array(5 * n)
        }
        this._mixBufferRegion = i,
        this._mixBufferRegionAdditive = r,
        this._setIdentity = a,
        this._origIndex = 3,
        this._addIndex = 4,
        this.cumulativeWeight = 0,
        this.cumulativeWeightAdditive = 0,
        this.useCount = 0,
        this.referenceCount = 0
    }
    Object.assign(Hd.prototype, {
        accumulate: function(e, t) {
            var n = this.buffer
              , i = this.valueSize
              , r = e * i + i
              , e = this.cumulativeWeight;
            if (0 === e) {
                for (var a = 0; a !== i; ++a)
                    n[r + a] = n[a];
                e = t
            } else
                this._mixBufferRegion(n, r, 0, t / (e += t), i);
            this.cumulativeWeight = e
        },
        accumulateAdditive: function(e) {
            var t = this.buffer
              , n = this.valueSize
              , i = n * this._addIndex;
            0 === this.cumulativeWeightAdditive && this._setIdentity(),
            this._mixBufferRegionAdditive(t, i, 0, e, n),
            this.cumulativeWeightAdditive += e
        },
        apply: function(e) {
            var t = this.valueSize
              , n = this.buffer
              , i = e * t + t
              , r = this.cumulativeWeight
              , a = this.cumulativeWeightAdditive
              , o = this.binding;
            this.cumulativeWeight = 0,
            this.cumulativeWeightAdditive = 0,
            r < 1 && (e = t * this._origIndex,
            this._mixBufferRegion(n, i, e, 1 - r, t)),
            0 < a && this._mixBufferRegionAdditive(n, i, this._addIndex * t, 1, t);
            for (var s = t, l = t + t; s !== l; ++s)
                if (n[s] !== n[s + t]) {
                    o.setValue(n, i);
                    break
                }
        },
        saveOriginalState: function() {
            var e = this.binding
              , t = this.buffer
              , n = this.valueSize
              , i = n * this._origIndex;
            e.getValue(t, i);
            for (var r = n, a = i; r !== a; ++r)
                t[r] = t[i + r % n];
            this._setIdentity(),
            this.cumulativeWeight = 0,
            this.cumulativeWeightAdditive = 0
        },
        restoreOriginalState: function() {
            var e = 3 * this.valueSize;
            this.binding.setValue(this.buffer, e)
        },
        _setAdditiveIdentityNumeric: function() {
            for (var e = this._addIndex * this.valueSize, t = e + this.valueSize, n = e; n < t; n++)
                this.buffer[n] = 0
        },
        _setAdditiveIdentityQuaternion: function() {
            this._setAdditiveIdentityNumeric(),
            this.buffer[this._addIndex * this.valueSize + 3] = 1
        },
        _setAdditiveIdentityOther: function() {
            for (var e = this._origIndex * this.valueSize, t = this._addIndex * this.valueSize, n = 0; n < this.valueSize; n++)
                this.buffer[t + n] = this.buffer[e + n]
        },
        _select: function(e, t, n, i, r) {
            if (.5 <= i)
                for (var a = 0; a !== r; ++a)
                    e[t + a] = e[n + a]
        },
        _slerp: function(e, t, n, i) {
            Sn.slerpFlat(e, t, e, t, e, n, i)
        },
        _slerpAdditive: function(e, t, n, i, r) {
            r = this._workIndex * r;
            Sn.multiplyQuaternionsFlat(e, r, e, t, e, n),
            Sn.slerpFlat(e, t, e, t, e, r, i)
        },
        _lerp: function(e, t, n, i, r) {
            for (var a = 1 - i, o = 0; o !== r; ++o) {
                var s = t + o;
                e[s] = e[s] * a + e[n + o] * i
            }
        },
        _lerpAdditive: function(e, t, n, i, r) {
            for (var a = 0; a !== r; ++a) {
                var o = t + a;
                e[o] = e[o] + e[n + a] * i
            }
        }
    });
    var Vd = "\\[\\]\\.:\\/"
      , jd = new RegExp("[" + Vd + "]","g")
      , Wd = "[^" + Vd + "]"
      , Xd = "[^" + Vd.replace("\\.", "") + "]"
      , qd = /((?:WC+[\/:])*)/.source.replace("WC", Wd)
      , Jd = /(WCOD+)?/.source.replace("WCOD", Xd)
      , Yd = /(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC", Wd)
      , Zd = /\.(WC+)(?:\[(.+)\])?/.source.replace("WC", Wd)
      , Qd = new RegExp("^" + qd + Jd + Yd + Zd + "$")
      , Kd = ["material", "materials", "bones"];
    function $d(e, t, n) {
        n = n || eh.parseTrackName(t);
        this._targetGroup = e,
        this._bindings = e.subscribe_(t, n)
    }
    function eh(e, t, n) {
        this.path = t,
        this.parsedPath = n || eh.parseTrackName(t),
        this.node = eh.findNode(e, this.parsedPath.nodeName) || e,
        this.rootNode = e
    }
    function th() {
        this.uuid = gn.generateUUID(),
        this._objects = Array.prototype.slice.call(arguments),
        this.nCachedObjects_ = 0;
        var e = {};
        this._indicesByUUID = e;
        for (var t = 0, n = arguments.length; t !== n; ++t)
            e[arguments[t].uuid] = t;
        this._paths = [],
        this._parsedPaths = [],
        this._bindings = [],
        this._bindingsIndicesByPath = {};
        var i = this;
        this.stats = {
            objects: {
                get total() {
                    return i._objects.length
                },
                get inUse() {
                    return this.total - i.nCachedObjects_
                }
            },
            get bindingsPerObject() {
                return i._bindings.length
            }
        }
    }
    Object.assign($d.prototype, {
        getValue: function(e, t) {
            this.bind();
            var n = this._targetGroup.nCachedObjects_
              , n = this._bindings[n];
            void 0 !== n && n.getValue(e, t)
        },
        setValue: function(e, t) {
            for (var n = this._bindings, i = this._targetGroup.nCachedObjects_, r = n.length; i !== r; ++i)
                n[i].setValue(e, t)
        },
        bind: function() {
            for (var e = this._bindings, t = this._targetGroup.nCachedObjects_, n = e.length; t !== n; ++t)
                e[t].bind()
        },
        unbind: function() {
            for (var e = this._bindings, t = this._targetGroup.nCachedObjects_, n = e.length; t !== n; ++t)
                e[t].unbind()
        }
    }),
    Object.assign(eh, {
        Composite: $d,
        create: function(e, t, n) {
            return new (e && e.isAnimationObjectGroup ? eh.Composite : eh)(e,t,n)
        },
        sanitizeNodeName: function(e) {
            return e.replace(/\s/g, "_").replace(jd, "")
        },
        parseTrackName: function(e) {
            var t = Qd.exec(e);
            if (!t)
                throw new Error("PropertyBinding: Cannot parse trackName: " + e);
            var n = {
                nodeName: t[2],
                objectName: t[3],
                objectIndex: t[4],
                propertyName: t[5],
                propertyIndex: t[6]
            }
              , i = n.nodeName && n.nodeName.lastIndexOf(".");
            if (void 0 !== i && -1 !== i && (t = n.nodeName.substring(i + 1),
            -1 !== Kd.indexOf(t) && (n.nodeName = n.nodeName.substring(0, i),
            n.objectName = t)),
            null === n.propertyName || 0 === n.propertyName.length)
                throw new Error("PropertyBinding: can not parse propertyName from trackName: " + e);
            return n
        },
        findNode: function(e, r) {
            if (!r || "" === r || "." === r || -1 === r || r === e.name || r === e.uuid)
                return e;
            if (e.skeleton) {
                var t = e.skeleton.getBoneByName(r);
                if (void 0 !== t)
                    return t
            }
            if (e.children) {
                e = function e(t) {
                    for (var n = 0; n < t.length; n++) {
                        var i = t[n];
                        if (i.name === r || i.uuid === r)
                            return i;
                        i = e(i.children);
                        if (i)
                            return i
                    }
                    return null
                }(e.children);
                if (e)
                    return e
            }
            return null
        }
    }),
    Object.assign(eh.prototype, {
        _getValue_unavailable: function() {},
        _setValue_unavailable: function() {},
        BindingType: {
            Direct: 0,
            EntireArray: 1,
            ArrayElement: 2,
            HasFromToArray: 3
        },
        Versioning: {
            None: 0,
            NeedsUpdate: 1,
            MatrixWorldNeedsUpdate: 2
        },
        GetterByBindingType: [function(e, t) {
            e[t] = this.node[this.propertyName]
        }
        , function(e, t) {
            for (var n = this.resolvedProperty, i = 0, r = n.length; i !== r; ++i)
                e[t++] = n[i]
        }
        , function(e, t) {
            e[t] = this.resolvedProperty[this.propertyIndex]
        }
        , function(e, t) {
            this.resolvedProperty.toArray(e, t)
        }
        ],
        SetterByBindingTypeAndVersioning: [[function(e, t) {
            this.targetObject[this.propertyName] = e[t]
        }
        , function(e, t) {
            this.targetObject[this.propertyName] = e[t],
            this.targetObject.needsUpdate = !0
        }
        , function(e, t) {
            this.targetObject[this.propertyName] = e[t],
            this.targetObject.matrixWorldNeedsUpdate = !0
        }
        ], [function(e, t) {
            for (var n = this.resolvedProperty, i = 0, r = n.length; i !== r; ++i)
                n[i] = e[t++]
        }
        , function(e, t) {
            for (var n = this.resolvedProperty, i = 0, r = n.length; i !== r; ++i)
                n[i] = e[t++];
            this.targetObject.needsUpdate = !0
        }
        , function(e, t) {
            for (var n = this.resolvedProperty, i = 0, r = n.length; i !== r; ++i)
                n[i] = e[t++];
            this.targetObject.matrixWorldNeedsUpdate = !0
        }
        ], [function(e, t) {
            this.resolvedProperty[this.propertyIndex] = e[t]
        }
        , function(e, t) {
            this.resolvedProperty[this.propertyIndex] = e[t],
            this.targetObject.needsUpdate = !0
        }
        , function(e, t) {
            this.resolvedProperty[this.propertyIndex] = e[t],
            this.targetObject.matrixWorldNeedsUpdate = !0
        }
        ], [function(e, t) {
            this.resolvedProperty.fromArray(e, t)
        }
        , function(e, t) {
            this.resolvedProperty.fromArray(e, t),
            this.targetObject.needsUpdate = !0
        }
        , function(e, t) {
            this.resolvedProperty.fromArray(e, t),
            this.targetObject.matrixWorldNeedsUpdate = !0
        }
        ]],
        getValue: function(e, t) {
            this.bind(),
            this.getValue(e, t)
        },
        setValue: function(e, t) {
            this.bind(),
            this.setValue(e, t)
        },
        bind: function() {
            var e = this.node
              , t = this.parsedPath
              , n = t.objectName
              , i = t.propertyName
              , r = t.propertyIndex;
            if (e || (e = eh.findNode(this.rootNode, t.nodeName) || this.rootNode,
            this.node = e),
            this.getValue = this._getValue_unavailable,
            this.setValue = this._setValue_unavailable,
            e) {
                if (n) {
                    var a = t.objectIndex;
                    switch (n) {
                    case "materials":
                        if (!e.material)
                            return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.", this);
                        if (!e.material.materials)
                            return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.", this);
                        e = e.material.materials;
                        break;
                    case "bones":
                        if (!e.skeleton)
                            return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.", this);
                        for (var e = e.skeleton.bones, o = 0; o < e.length; o++)
                            if (e[o].name === a) {
                                a = o;
                                break
                            }
                        break;
                    default:
                        if (void 0 === e[n])
                            return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.", this);
                        e = e[n]
                    }
                    if (void 0 !== a) {
                        if (void 0 === e[a])
                            return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.", this, e);
                        e = e[a]
                    }
                }
                var s = e[i];
                if (void 0 !== s) {
                    var l = this.Versioning.None;
                    void 0 !== (this.targetObject = e).needsUpdate ? l = this.Versioning.NeedsUpdate : void 0 !== e.matrixWorldNeedsUpdate && (l = this.Versioning.MatrixWorldNeedsUpdate);
                    var u = this.BindingType.Direct;
                    if (void 0 !== r) {
                        if ("morphTargetInfluences" === i) {
                            if (!e.geometry)
                                return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.", this);
                            if (!e.geometry.isBufferGeometry)
                                return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.", this);
                            if (!e.geometry.morphAttributes)
                                return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.", this);
                            void 0 !== e.morphTargetDictionary[r] && (r = e.morphTargetDictionary[r])
                        }
                        u = this.BindingType.ArrayElement,
                        this.resolvedProperty = s,
                        this.propertyIndex = r
                    } else
                        void 0 !== s.fromArray && void 0 !== s.toArray ? (u = this.BindingType.HasFromToArray,
                        this.resolvedProperty = s) : Array.isArray(s) ? (u = this.BindingType.EntireArray,
                        this.resolvedProperty = s) : this.propertyName = i;
                    this.getValue = this.GetterByBindingType[u],
                    this.setValue = this.SetterByBindingTypeAndVersioning[u][l]
                } else {
                    t = t.nodeName;
                    console.error("THREE.PropertyBinding: Trying to update property for track: " + t + "." + i + " but it wasn't found.", e)
                }
            } else
                console.error("THREE.PropertyBinding: Trying to update node for track: " + this.path + " but it wasn't found.")
        },
        unbind: function() {
            this.node = null,
            this.getValue = this._getValue_unbound,
            this.setValue = this._setValue_unbound
        }
    }),
    Object.assign(eh.prototype, {
        _getValue_unbound: eh.prototype.getValue,
        _setValue_unbound: eh.prototype.setValue
    }),
    Object.assign(th.prototype, {
        isAnimationObjectGroup: !0,
        add: function() {
            for (var e = this._objects, t = this._indicesByUUID, n = this._paths, i = this._parsedPaths, r = this._bindings, a = r.length, o = void 0, s = e.length, l = this.nCachedObjects_, u = 0, c = arguments.length; u !== c; ++u) {
                var d = arguments[u]
                  , h = d.uuid
                  , p = t[h];
                if (void 0 === p) {
                    p = s++,
                    t[h] = p,
                    e.push(d);
                    for (var f = 0, m = a; f !== m; ++f)
                        r[f].push(new eh(d,n[f],i[f]))
                } else if (p < l) {
                    var o = e[p]
                      , v = --l
                      , g = e[v];
                    e[t[g.uuid] = p] = g,
                    e[t[h] = v] = d;
                    for (var y = 0, w = a; y !== w; ++y) {
                        var b = r[y]
                          , x = b[v]
                          , E = b[p];
                        b[p] = x,
                        void 0 === E && (E = new eh(d,n[y],i[y])),
                        b[v] = E
                    }
                } else
                    e[p] !== o && console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")
            }
            this.nCachedObjects_ = l
        },
        remove: function() {
            for (var e = this._objects, t = this._indicesByUUID, n = this._bindings, i = n.length, r = this.nCachedObjects_, a = 0, o = arguments.length; a !== o; ++a) {
                var s = arguments[a]
                  , l = s.uuid
                  , u = t[l];
                if (void 0 !== u && r <= u) {
                    var c = r++
                      , d = e[c];
                    e[t[d.uuid] = u] = d,
                    e[t[l] = c] = s;
                    for (var h = 0, p = i; h !== p; ++h) {
                        var f = n[h]
                          , m = f[c]
                          , v = f[u];
                        f[u] = m,
                        f[c] = v
                    }
                }
            }
            this.nCachedObjects_ = r
        },
        uncache: function() {
            for (var e = this._objects, t = this._indicesByUUID, n = this._bindings, i = n.length, r = this.nCachedObjects_, a = e.length, o = 0, s = arguments.length; o !== s; ++o) {
                var l = arguments[o].uuid
                  , u = t[l];
                if (void 0 !== u)
                    if (delete t[l],
                    u < r) {
                        var c = --r
                          , l = e[c]
                          , d = --a
                          , h = e[d];
                        e[t[l.uuid] = u] = l,
                        e[t[h.uuid] = c] = h,
                        e.pop();
                        for (var p = 0, f = i; p !== f; ++p) {
                            var m = n[p]
                              , v = m[c]
                              , g = m[d];
                            m[u] = v,
                            m[c] = g,
                            m.pop()
                        }
                    } else {
                        var y = --a
                          , h = e[y];
                        0 < y && (t[h.uuid] = u),
                        e[u] = h,
                        e.pop();
                        for (var w = 0, b = i; w !== b; ++w) {
                            var x = n[w];
                            x[u] = x[y],
                            x.pop()
                        }
                    }
            }
            this.nCachedObjects_ = r
        },
        subscribe_: function(e, t) {
            var n = this._bindingsIndicesByPath
              , i = n[e]
              , r = this._bindings;
            if (void 0 !== i)
                return r[i];
            var a = this._paths
              , o = this._parsedPaths
              , s = this._objects
              , l = s.length
              , u = this.nCachedObjects_
              , c = new Array(l)
              , i = r.length;
            n[e] = i,
            a.push(e),
            o.push(t),
            r.push(c);
            for (var d = u, h = s.length; d !== h; ++d) {
                var p = s[d];
                c[d] = new eh(p,e,t)
            }
            return c
        },
        unsubscribe_: function(e) {
            var t, n, i, r, a, o = this._bindingsIndicesByPath, s = o[e];
            void 0 !== s && (t = this._paths,
            n = this._parsedPaths,
            a = (i = this._bindings)[r = i.length - 1],
            i[o[e[r]] = s] = a,
            i.pop(),
            n[s] = n[r],
            n.pop(),
            t[s] = t[r],
            t.pop())
        }
    });
    var nh = function() {
        function c(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : null
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : t.blendMode;
            O(this, c),
            this._mixer = e,
            this._clip = t,
            this._localRoot = n,
            this.blendMode = i;
            for (var r = t.tracks, a = r.length, o = new Array(a), s = {
                endingStart: en,
                endingEnd: en
            }, l = 0; l !== a; ++l) {
                var u = r[l].createInterpolant(null);
                (o[l] = u).settings = s
            }
            this._interpolantSettings = s,
            this._interpolants = o,
            this._propertyBindings = new Array(a),
            this._cacheIndex = null,
            this._byClipCacheIndex = null,
            this._timeScaleInterpolant = null,
            this._weightInterpolant = null,
            this.loop = 2201,
            this._loopCount = -1,
            this._startTime = null,
            this.time = 0,
            this.timeScale = 1,
            this._effectiveTimeScale = 1,
            this.weight = 1,
            this._effectiveWeight = 1,
            this.repetitions = 1 / 0,
            this.paused = !1,
            this.enabled = !0,
            this.clampWhenFinished = !1,
            this.zeroSlopeAtStart = !0,
            this.zeroSlopeAtEnd = !0
        }
        return h(c, [{
            key: "play",
            value: function() {
                return this._mixer._activateAction(this),
                this
            }
        }, {
            key: "stop",
            value: function() {
                return this._mixer._deactivateAction(this),
                this.reset()
            }
        }, {
            key: "reset",
            value: function() {
                return this.paused = !1,
                this.enabled = !0,
                this.time = 0,
                this._loopCount = -1,
                this._startTime = null,
                this.stopFading().stopWarping()
            }
        }, {
            key: "isRunning",
            value: function() {
                return this.enabled && !this.paused && 0 !== this.timeScale && null === this._startTime && this._mixer._isActiveAction(this)
            }
        }, {
            key: "isScheduled",
            value: function() {
                return this._mixer._isActiveAction(this)
            }
        }, {
            key: "startAt",
            value: function(e) {
                return this._startTime = e,
                this
            }
        }, {
            key: "setLoop",
            value: function(e, t) {
                return this.loop = e,
                this.repetitions = t,
                this
            }
        }, {
            key: "setEffectiveWeight",
            value: function(e) {
                return this.weight = e,
                this._effectiveWeight = this.enabled ? e : 0,
                this.stopFading()
            }
        }, {
            key: "getEffectiveWeight",
            value: function() {
                return this._effectiveWeight
            }
        }, {
            key: "fadeIn",
            value: function(e) {
                return this._scheduleFading(e, 0, 1)
            }
        }, {
            key: "fadeOut",
            value: function(e) {
                return this._scheduleFading(e, 1, 0)
            }
        }, {
            key: "crossFadeFrom",
            value: function(e, t, n) {
                var i, r;
                return e.fadeOut(t),
                this.fadeIn(t),
                n && (n = (i = this._clip.duration) / (r = e._clip.duration),
                e.warp(1, r / i, t),
                this.warp(n, 1, t)),
                this
            }
        }, {
            key: "crossFadeTo",
            value: function(e, t, n) {
                return e.crossFadeFrom(this, t, n)
            }
        }, {
            key: "stopFading",
            value: function() {
                var e = this._weightInterpolant;
                return null !== e && (this._weightInterpolant = null,
                this._mixer._takeBackControlInterpolant(e)),
                this
            }
        }, {
            key: "setEffectiveTimeScale",
            value: function(e) {
                return this.timeScale = e,
                this._effectiveTimeScale = this.paused ? 0 : e,
                this.stopWarping()
            }
        }, {
            key: "getEffectiveTimeScale",
            value: function() {
                return this._effectiveTimeScale
            }
        }, {
            key: "setDuration",
            value: function(e) {
                return this.timeScale = this._clip.duration / e,
                this.stopWarping()
            }
        }, {
            key: "syncWith",
            value: function(e) {
                return this.time = e.time,
                this.timeScale = e.timeScale,
                this.stopWarping()
            }
        }, {
            key: "halt",
            value: function(e) {
                return this.warp(this._effectiveTimeScale, 0, e)
            }
        }, {
            key: "warp",
            value: function(e, t, n) {
                var i = this._mixer
                  , r = i.time
                  , a = this.timeScale
                  , o = this._timeScaleInterpolant;
                null === o && (o = i._lendControlInterpolant(),
                this._timeScaleInterpolant = o);
                i = o.parameterPositions,
                o = o.sampleValues;
                return i[0] = r,
                i[1] = r + n,
                o[0] = e / a,
                o[1] = t / a,
                this
            }
        }, {
            key: "stopWarping",
            value: function() {
                var e = this._timeScaleInterpolant;
                return null !== e && (this._timeScaleInterpolant = null,
                this._mixer._takeBackControlInterpolant(e)),
                this
            }
        }, {
            key: "getMixer",
            value: function() {
                return this._mixer
            }
        }, {
            key: "getClip",
            value: function() {
                return this._clip
            }
        }, {
            key: "getRoot",
            value: function() {
                return this._localRoot || this._mixer._root
            }
        }, {
            key: "_update",
            value: function(e, t, n, i) {
                if (this.enabled) {
                    var r = this._startTime;
                    if (null !== r) {
                        r = (e - r) * n;
                        if (r < 0 || 0 === n)
                            return;
                        this._startTime = null,
                        t = n * r
                    }
                    t *= this._updateTimeScale(e);
                    var a = this._updateTime(t)
                      , o = this._updateWeight(e);
                    if (0 < o) {
                        var s = this._interpolants
                          , l = this._propertyBindings;
                        if (2501 === this.blendMode)
                            for (var u = 0, c = s.length; u !== c; ++u)
                                s[u].evaluate(a),
                                l[u].accumulateAdditive(o);
                        else
                            for (var d = 0, h = s.length; d !== h; ++d)
                                s[d].evaluate(a),
                                l[d].accumulate(i, o)
                    }
                } else
                    this._updateWeight(e)
            }
        }, {
            key: "_updateWeight",
            value: function(e) {
                var t, n, i = 0;
                return this.enabled && (i = this.weight,
                null !== (t = this._weightInterpolant) && (i *= n = t.evaluate(e)[0],
                e > t.parameterPositions[1] && (this.stopFading(),
                0 === n && (this.enabled = !1)))),
                this._effectiveWeight = i
            }
        }, {
            key: "_updateTimeScale",
            value: function(e) {
                var t, n = 0;
                return this.paused || (n = this.timeScale,
                null !== (t = this._timeScaleInterpolant) && (n *= t.evaluate(e)[0],
                e > t.parameterPositions[1] && (this.stopWarping(),
                0 === n ? this.paused = !0 : this.timeScale = n))),
                this._effectiveTimeScale = n
            }
        }, {
            key: "_updateTime",
            value: function(e) {
                var t, n = this._clip.duration, i = this.loop, r = this.time + e, a = this._loopCount, o = 2202 === i;
                if (0 === e)
                    return -1 !== a && o && 1 == (1 & a) ? n - r : r;
                if (2200 === i) {
                    -1 === a && (this._loopCount = 0,
                    this._setEndings(!0, !0, !1));
                    e: {
                        if (n <= r)
                            r = n;
                        else {
                            if (!(r < 0)) {
                                this.time = r;
                                break e
                            }
                            r = 0
                        }
                        this.clampWhenFinished ? this.paused = !0 : this.enabled = !1,
                        this.time = r,
                        this._mixer.dispatchEvent({
                            type: "finished",
                            action: this,
                            direction: e < 0 ? -1 : 1
                        })
                    }
                } else if (-1 === a && (0 <= e ? this._setEndings(!(a = 0), 0 === this.repetitions, o) : this._setEndings(0 === this.repetitions, !0, o)),
                n <= r || r < 0 ? (r -= n * (t = Math.floor(r / n)),
                a += Math.abs(t),
                (i = this.repetitions - a) <= 0 ? (this.clampWhenFinished ? this.paused = !0 : this.enabled = !1,
                this.time = r = 0 < e ? n : 0,
                this._mixer.dispatchEvent({
                    type: "finished",
                    action: this,
                    direction: 0 < e ? 1 : -1
                })) : (1 == i ? this._setEndings(i = e < 0, !i, o) : this._setEndings(!1, !1, o),
                this._loopCount = a,
                this.time = r,
                this._mixer.dispatchEvent({
                    type: "loop",
                    action: this,
                    loopDelta: t
                }))) : this.time = r,
                o && 1 == (1 & a))
                    return n - r;
                return r
            }
        }, {
            key: "_setEndings",
            value: function(e, t, n) {
                var i = this._interpolantSettings;
                n ? (i.endingStart = tn,
                i.endingEnd = tn) : (i.endingStart = e ? this.zeroSlopeAtStart ? tn : en : nn,
                i.endingEnd = t ? this.zeroSlopeAtEnd ? tn : en : nn)
            }
        }, {
            key: "_scheduleFading",
            value: function(e, t, n) {
                var i = this._mixer
                  , r = i.time
                  , a = this._weightInterpolant;
                null === a && (a = i._lendControlInterpolant(),
                this._weightInterpolant = a);
                i = a.parameterPositions,
                a = a.sampleValues;
                return i[0] = r,
                a[0] = t,
                i[1] = r + e,
                a[1] = n,
                this
            }
        }]),
        c
    }();
    function ih(e) {
        this._root = e,
        this._initMemoryManager(),
        this._accuIndex = 0,
        this.time = 0,
        this.timeScale = 1
    }
    ih.prototype = Object.assign(Object.create(hn.prototype), {
        constructor: ih,
        _bindAction: function(e, t) {
            var n = e._localRoot || this._root
              , i = e._clip.tracks
              , r = i.length
              , a = e._propertyBindings
              , o = e._interpolants
              , s = n.uuid
              , e = this._bindingsByRootAndName
              , l = e[s];
            void 0 === l && (e[s] = l = {});
            for (var u = 0; u !== r; ++u) {
                var c = i[u]
                  , d = c.name;
                if (void 0 !== (h = l[d]))
                    a[u] = h;
                else {
                    if (void 0 !== (h = a[u])) {
                        null === h._cacheIndex && (++h.referenceCount,
                        this._addInactiveBinding(h, s, d));
                        continue
                    }
                    var h, p = t && t._propertyBindings[u].binding.parsedPath;
                    ++(h = new Hd(eh.create(n, d, p),c.ValueTypeName,c.getValueSize())).referenceCount,
                    this._addInactiveBinding(h, s, d),
                    a[u] = h
                }
                o[u].resultBuffer = h.buffer
            }
        },
        _activateAction: function(e) {
            if (!this._isActiveAction(e)) {
                var t, n, i;
                null === e._cacheIndex && (t = (e._localRoot || this._root).uuid,
                n = e._clip.uuid,
                i = this._actionsByClip[n],
                this._bindAction(e, i && i.knownActions[0]),
                this._addInactiveAction(e, n, t));
                for (var r = e._propertyBindings, a = 0, o = r.length; a !== o; ++a) {
                    var s = r[a];
                    0 == s.useCount++ && (this._lendBinding(s),
                    s.saveOriginalState())
                }
                this._lendAction(e)
            }
        },
        _deactivateAction: function(e) {
            if (this._isActiveAction(e)) {
                for (var t = e._propertyBindings, n = 0, i = t.length; n !== i; ++n) {
                    var r = t[n];
                    0 == --r.useCount && (r.restoreOriginalState(),
                    this._takeBackBinding(r))
                }
                this._takeBackAction(e)
            }
        },
        _initMemoryManager: function() {
            this._actions = [],
            this._nActiveActions = 0,
            this._actionsByClip = {},
            this._bindings = [],
            this._nActiveBindings = 0,
            this._bindingsByRootAndName = {},
            this._controlInterpolants = [],
            this._nActiveControlInterpolants = 0;
            var e = this;
            this.stats = {
                actions: {
                    get total() {
                        return e._actions.length
                    },
                    get inUse() {
                        return e._nActiveActions
                    }
                },
                bindings: {
                    get total() {
                        return e._bindings.length
                    },
                    get inUse() {
                        return e._nActiveBindings
                    }
                },
                controlInterpolants: {
                    get total() {
                        return e._controlInterpolants.length
                    },
                    get inUse() {
                        return e._nActiveControlInterpolants
                    }
                }
            }
        },
        _isActiveAction: function(e) {
            e = e._cacheIndex;
            return null !== e && e < this._nActiveActions
        },
        _addInactiveAction: function(e, t, n) {
            var i = this._actions
              , r = this._actionsByClip
              , a = r[t];
            void 0 === a ? (a = {
                knownActions: [e],
                actionByRoot: {}
            },
            e._byClipCacheIndex = 0,
            r[t] = a) : (t = a.knownActions,
            e._byClipCacheIndex = t.length,
            t.push(e)),
            e._cacheIndex = i.length,
            i.push(e),
            a.actionByRoot[n] = e
        },
        _removeInactiveAction: function(e) {
            var t = this._actions
              , n = t[t.length - 1]
              , i = e._cacheIndex;
            t[n._cacheIndex = i] = n,
            t.pop(),
            e._cacheIndex = null;
            var r = e._clip.uuid
              , a = this._actionsByClip
              , o = a[r]
              , i = o.knownActions
              , n = i[i.length - 1]
              , t = e._byClipCacheIndex;
            i[n._byClipCacheIndex = t] = n,
            i.pop(),
            e._byClipCacheIndex = null,
            delete o.actionByRoot[(e._localRoot || this._root).uuid],
            0 === i.length && delete a[r],
            this._removeInactiveBindingsForAction(e)
        },
        _removeInactiveBindingsForAction: function(e) {
            for (var t = e._propertyBindings, n = 0, i = t.length; n !== i; ++n) {
                var r = t[n];
                0 == --r.referenceCount && this._removeInactiveBinding(r)
            }
        },
        _lendAction: function(e) {
            var t = this._actions
              , n = e._cacheIndex
              , i = this._nActiveActions++
              , r = t[i];
            t[e._cacheIndex = i] = e,
            t[r._cacheIndex = n] = r
        },
        _takeBackAction: function(e) {
            var t = this._actions
              , n = e._cacheIndex
              , i = --this._nActiveActions
              , r = t[i];
            t[e._cacheIndex = i] = e,
            t[r._cacheIndex = n] = r
        },
        _addInactiveBinding: function(e, t, n) {
            var i = this._bindingsByRootAndName
              , r = this._bindings
              , a = i[t];
            void 0 === a && (i[t] = a = {}),
            (a[n] = e)._cacheIndex = r.length,
            r.push(e)
        },
        _removeInactiveBinding: function(e) {
            var t = this._bindings
              , n = e.binding
              , i = n.rootNode.uuid
              , r = n.path
              , a = this._bindingsByRootAndName
              , o = a[i]
              , n = t[t.length - 1]
              , e = e._cacheIndex;
            t[n._cacheIndex = e] = n,
            t.pop(),
            delete o[r],
            0 === Object.keys(o).length && delete a[i]
        },
        _lendBinding: function(e) {
            var t = this._bindings
              , n = e._cacheIndex
              , i = this._nActiveBindings++
              , r = t[i];
            t[e._cacheIndex = i] = e,
            t[r._cacheIndex = n] = r
        },
        _takeBackBinding: function(e) {
            var t = this._bindings
              , n = e._cacheIndex
              , i = --this._nActiveBindings
              , r = t[i];
            t[e._cacheIndex = i] = e,
            t[r._cacheIndex = n] = r
        },
        _lendControlInterpolant: function() {
            var e = this._controlInterpolants
              , t = this._nActiveControlInterpolants++
              , n = e[t];
            return void 0 === n && (e[(n = new ec(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer)).__cacheIndex = t] = n),
            n
        },
        _takeBackControlInterpolant: function(e) {
            var t = this._controlInterpolants
              , n = e.__cacheIndex
              , i = --this._nActiveControlInterpolants
              , r = t[i];
            t[e.__cacheIndex = i] = e,
            t[r.__cacheIndex = n] = r
        },
        _controlInterpolantsResultBuffer: new Float32Array(1),
        clipAction: function(e, t, n) {
            var i = t || this._root
              , r = i.uuid
              , a = "string" == typeof e ? cc.findByName(i, e) : e
              , o = null !== a ? a.uuid : e
              , s = this._actionsByClip[o]
              , i = null;
            if (void 0 === n && (n = null !== a ? a.blendMode : 2500),
            void 0 !== s) {
                e = s.actionByRoot[r];
                if (void 0 !== e && e.blendMode === n)
                    return e;
                i = s.knownActions[0],
                null === a && (a = i._clip)
            }
            if (null === a)
                return null;
            n = new nh(this,a,t,n);
            return this._bindAction(n, i),
            this._addInactiveAction(n, o, r),
            n
        },
        existingAction: function(e, t) {
            var n = t || this._root
              , t = n.uuid
              , n = "string" == typeof e ? cc.findByName(n, e) : e
              , e = n ? n.uuid : e
              , e = this._actionsByClip[e];
            return void 0 !== e && e.actionByRoot[t] || null
        },
        stopAllAction: function() {
            for (var e = this._actions, t = this._nActiveActions - 1; 0 <= t; --t)
                e[t].stop();
            return this
        },
        update: function(e) {
            e *= this.timeScale;
            for (var t = this._actions, n = this._nActiveActions, i = this.time += e, r = Math.sign(e), a = this._accuIndex ^= 1, o = 0; o !== n; ++o)
                t[o]._update(i, e, r, a);
            for (var s = this._bindings, l = this._nActiveBindings, u = 0; u !== l; ++u)
                s[u].apply(a);
            return this
        },
        setTime: function(e) {
            for (var t = this.time = 0; t < this._actions.length; t++)
                this._actions[t].time = 0;
            return this.update(e)
        },
        getRoot: function() {
            return this._root
        },
        uncacheClip: function(e) {
            var t = this._actions
              , n = e.uuid
              , i = this._actionsByClip
              , e = i[n];
            if (void 0 !== e) {
                for (var r = e.knownActions, a = 0, o = r.length; a !== o; ++a) {
                    var s = r[a];
                    this._deactivateAction(s);
                    var l = s._cacheIndex
                      , u = t[t.length - 1];
                    s._cacheIndex = null,
                    s._byClipCacheIndex = null,
                    t[u._cacheIndex = l] = u,
                    t.pop(),
                    this._removeInactiveBindingsForAction(s)
                }
                delete i[n]
            }
        },
        uncacheRoot: function(e) {
            var t, n = e.uuid, i = this._actionsByClip;
            for (t in i) {
                var r = i[t].actionByRoot[n];
                void 0 !== r && (this._deactivateAction(r),
                this._removeInactiveAction(r))
            }
            var a = this._bindingsByRootAndName[n];
            if (void 0 !== a)
                for (var o in a) {
                    o = a[o];
                    o.restoreOriginalState(),
                    this._removeInactiveBinding(o)
                }
        },
        uncacheAction: function(e, t) {
            t = this.existingAction(e, t);
            null !== t && (this._deactivateAction(t),
            this._removeInactiveAction(t))
        }
    });
    var rh = function() {
        function t(e) {
            O(this, t),
            "string" == typeof e && (console.warn("THREE.Uniform: Type parameter is no longer needed."),
            e = arguments[1]),
            this.value = e
        }
        return h(t, [{
            key: "clone",
            value: function() {
                return new t(void 0 === this.value.clone ? this.value : this.value.clone())
            }
        }]),
        t
    }();
    function ah(e, t, n) {
        ys.call(this, e, t),
        this.meshPerAttribute = n || 1
    }
    function oh(e, t, n, i, r) {
        this.buffer = e,
        this.type = t,
        this.itemSize = n,
        this.elementSize = i,
        this.count = r,
        this.version = 0
    }
    function sh(e, t, n, i) {
        this.ray = new ti(e,t),
        this.near = n || 0,
        this.far = i || 1 / 0,
        this.camera = null,
        this.layers = new pi,
        this.params = {
            Mesh: {},
            Line: {
                threshold: 1
            },
            LOD: {},
            Points: {
                threshold: 1
            },
            Sprite: {}
        },
        Object.defineProperties(this.params, {
            PointCloud: {
                get: function() {
                    return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),
                    this.Points
                }
            }
        })
    }
    function lh(e, t) {
        return e.distance - t.distance
    }
    function uh(e, t, n, i) {
        if (e.layers.test(t.layers) && e.raycast(t, n),
        !0 === i)
            for (var r = e.children, a = 0, o = r.length; a < o; a++)
                uh(r[a], t, n, !0)
    }
    ah.prototype = Object.assign(Object.create(ys.prototype), {
        constructor: ah,
        isInstancedInterleavedBuffer: !0,
        copy: function(e) {
            return ys.prototype.copy.call(this, e),
            this.meshPerAttribute = e.meshPerAttribute,
            this
        },
        clone: function(e) {
            e = ys.prototype.clone.call(this, e);
            return e.meshPerAttribute = this.meshPerAttribute,
            e
        },
        toJSON: function(e) {
            e = ys.prototype.toJSON.call(this, e);
            return e.isInstancedInterleavedBuffer = !0,
            e.meshPerAttribute = this.meshPerAttribute,
            e
        }
    }),
    Object.defineProperty(oh.prototype, "needsUpdate", {
        set: function(e) {
            !0 === e && this.version++
        }
    }),
    Object.assign(oh.prototype, {
        isGLBufferAttribute: !0,
        setBuffer: function(e) {
            return this.buffer = e,
            this
        },
        setType: function(e, t) {
            return this.type = e,
            this.elementSize = t,
            this
        },
        setItemSize: function(e) {
            return this.itemSize = e,
            this
        },
        setCount: function(e) {
            return this.count = e,
            this
        }
    }),
    Object.assign(sh.prototype, {
        set: function(e, t) {
            this.ray.set(e, t)
        },
        setFromCamera: function(e, t) {
            t && t.isPerspectiveCamera ? (this.ray.origin.setFromMatrixPosition(t.matrixWorld),
            this.ray.direction.set(e.x, e.y, .5).unproject(t).sub(this.ray.origin).normalize(),
            this.camera = t) : t && t.isOrthographicCamera ? (this.ray.origin.set(e.x, e.y, (t.near + t.far) / (t.near - t.far)).unproject(t),
            this.ray.direction.set(0, 0, -1).transformDirection(t.matrixWorld),
            this.camera = t) : console.error("THREE.Raycaster: Unsupported camera type: " + t.type)
        },
        intersectObject: function(e, t, n) {
            n = n || [];
            return uh(e, this, n, t),
            n.sort(lh),
            n
        },
        intersectObjects: function(e, t, n) {
            var i = n || [];
            if (!1 === Array.isArray(e))
                return console.warn("THREE.Raycaster.intersectObjects: objects is not an Array."),
                i;
            for (var r = 0, a = e.length; r < a; r++)
                uh(e[r], this, i, t);
            return i.sort(lh),
            i
        }
    });
    var ch = function() {
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0;
            return O(this, i),
            this.radius = e,
            this.phi = t,
            this.theta = n,
            this
        }
        return h(i, [{
            key: "set",
            value: function(e, t, n) {
                return this.radius = e,
                this.phi = t,
                this.theta = n,
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.radius = e.radius,
                this.phi = e.phi,
                this.theta = e.theta,
                this
            }
        }, {
            key: "makeSafe",
            value: function() {
                return this.phi = Math.max(1e-6, Math.min(Math.PI - 1e-6, this.phi)),
                this
            }
        }, {
            key: "setFromVector3",
            value: function(e) {
                return this.setFromCartesianCoords(e.x, e.y, e.z)
            }
        }, {
            key: "setFromCartesianCoords",
            value: function(e, t, n) {
                return this.radius = Math.sqrt(e * e + t * t + n * n),
                0 === this.radius ? (this.theta = 0,
                this.phi = 0) : (this.theta = Math.atan2(e, n),
                this.phi = Math.acos(gn.clamp(t / this.radius, -1, 1))),
                this
            }
        }]),
        i
    }()
      , dh = function() {
        function i(e, t, n) {
            return O(this, i),
            this.radius = void 0 !== e ? e : 1,
            this.theta = void 0 !== t ? t : 0,
            this.y = void 0 !== n ? n : 0,
            this
        }
        return h(i, [{
            key: "set",
            value: function(e, t, n) {
                return this.radius = e,
                this.theta = t,
                this.y = n,
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.radius = e.radius,
                this.theta = e.theta,
                this.y = e.y,
                this
            }
        }, {
            key: "setFromVector3",
            value: function(e) {
                return this.setFromCartesianCoords(e.x, e.y, e.z)
            }
        }, {
            key: "setFromCartesianCoords",
            value: function(e, t, n) {
                return this.radius = Math.sqrt(e * e + n * n),
                this.theta = Math.atan2(e, n),
                this.y = t,
                this
            }
        }]),
        i
    }()
      , hh = new yn
      , ph = function() {
        function n(e, t) {
            O(this, n),
            Object.defineProperty(this, "isBox2", {
                value: !0
            }),
            this.min = void 0 !== e ? e : new yn(1 / 0,1 / 0),
            this.max = void 0 !== t ? t : new yn(-1 / 0,-1 / 0)
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.min.copy(e),
                this.max.copy(t),
                this
            }
        }, {
            key: "setFromPoints",
            value: function(e) {
                this.makeEmpty();
                for (var t = 0, n = e.length; t < n; t++)
                    this.expandByPoint(e[t]);
                return this
            }
        }, {
            key: "setFromCenterAndSize",
            value: function(e, t) {
                t = hh.copy(t).multiplyScalar(.5);
                return this.min.copy(e).sub(t),
                this.max.copy(e).add(t),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.min.copy(e.min),
                this.max.copy(e.max),
                this
            }
        }, {
            key: "makeEmpty",
            value: function() {
                return this.min.x = this.min.y = 1 / 0,
                this.max.x = this.max.y = -1 / 0,
                this
            }
        }, {
            key: "isEmpty",
            value: function() {
                return this.max.x < this.min.x || this.max.y < this.min.y
            }
        }, {
            key: "getCenter",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Box2: .getCenter() target is now required"),
                e = new yn),
                this.isEmpty() ? e.set(0, 0) : e.addVectors(this.min, this.max).multiplyScalar(.5)
            }
        }, {
            key: "getSize",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Box2: .getSize() target is now required"),
                e = new yn),
                this.isEmpty() ? e.set(0, 0) : e.subVectors(this.max, this.min)
            }
        }, {
            key: "expandByPoint",
            value: function(e) {
                return this.min.min(e),
                this.max.max(e),
                this
            }
        }, {
            key: "expandByVector",
            value: function(e) {
                return this.min.sub(e),
                this.max.add(e),
                this
            }
        }, {
            key: "expandByScalar",
            value: function(e) {
                return this.min.addScalar(-e),
                this.max.addScalar(e),
                this
            }
        }, {
            key: "containsPoint",
            value: function(e) {
                return !(e.x < this.min.x || e.x > this.max.x || e.y < this.min.y || e.y > this.max.y)
            }
        }, {
            key: "containsBox",
            value: function(e) {
                return this.min.x <= e.min.x && e.max.x <= this.max.x && this.min.y <= e.min.y && e.max.y <= this.max.y
            }
        }, {
            key: "getParameter",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Box2: .getParameter() target is now required"),
                t = new yn),
                t.set((e.x - this.min.x) / (this.max.x - this.min.x), (e.y - this.min.y) / (this.max.y - this.min.y))
            }
        }, {
            key: "intersectsBox",
            value: function(e) {
                return !(e.max.x < this.min.x || e.min.x > this.max.x || e.max.y < this.min.y || e.min.y > this.max.y)
            }
        }, {
            key: "clampPoint",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Box2: .clampPoint() target is now required"),
                t = new yn),
                t.copy(e).clamp(this.min, this.max)
            }
        }, {
            key: "distanceToPoint",
            value: function(e) {
                return hh.copy(e).clamp(this.min, this.max).sub(e).length()
            }
        }, {
            key: "intersect",
            value: function(e) {
                return this.min.max(e.min),
                this.max.min(e.max),
                this
            }
        }, {
            key: "union",
            value: function(e) {
                return this.min.min(e.min),
                this.max.max(e.max),
                this
            }
        }, {
            key: "translate",
            value: function(e) {
                return this.min.add(e),
                this.max.add(e),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.min.equals(this.min) && e.max.equals(this.max)
            }
        }]),
        n
    }()
      , fh = new Cn
      , mh = new Cn
      , vh = function() {
        function n(e, t) {
            O(this, n),
            this.start = void 0 !== e ? e : new Cn,
            this.end = void 0 !== t ? t : new Cn
        }
        return h(n, [{
            key: "set",
            value: function(e, t) {
                return this.start.copy(e),
                this.end.copy(t),
                this
            }
        }, {
            key: "clone",
            value: function() {
                return (new this.constructor).copy(this)
            }
        }, {
            key: "copy",
            value: function(e) {
                return this.start.copy(e.start),
                this.end.copy(e.end),
                this
            }
        }, {
            key: "getCenter",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Line3: .getCenter() target is now required"),
                e = new Cn),
                e.addVectors(this.start, this.end).multiplyScalar(.5)
            }
        }, {
            key: "delta",
            value: function(e) {
                return void 0 === e && (console.warn("THREE.Line3: .delta() target is now required"),
                e = new Cn),
                e.subVectors(this.end, this.start)
            }
        }, {
            key: "distanceSq",
            value: function() {
                return this.start.distanceToSquared(this.end)
            }
        }, {
            key: "distance",
            value: function() {
                return this.start.distanceTo(this.end)
            }
        }, {
            key: "at",
            value: function(e, t) {
                return void 0 === t && (console.warn("THREE.Line3: .at() target is now required"),
                t = new Cn),
                this.delta(t).multiplyScalar(e).add(this.start)
            }
        }, {
            key: "closestPointToPointParameter",
            value: function(e, t) {
                fh.subVectors(e, this.start),
                mh.subVectors(this.end, this.start);
                e = mh.dot(mh),
                e = mh.dot(fh) / e;
                return e = t ? gn.clamp(e, 0, 1) : e
            }
        }, {
            key: "closestPointToPoint",
            value: function(e, t, n) {
                t = this.closestPointToPointParameter(e, t);
                return void 0 === n && (console.warn("THREE.Line3: .closestPointToPoint() target is now required"),
                n = new Cn),
                this.delta(n).multiplyScalar(t).add(this.start)
            }
        }, {
            key: "applyMatrix4",
            value: function(e) {
                return this.start.applyMatrix4(e),
                this.end.applyMatrix4(e),
                this
            }
        }, {
            key: "equals",
            value: function(e) {
                return e.start.equals(this.start) && e.end.equals(this.end)
            }
        }]),
        n
    }();
    function gh(e) {
        Si.call(this),
        this.material = e,
        this.render = function() {}
        ,
        this.hasPositions = !1,
        this.hasNormals = !1,
        this.hasColors = !1,
        this.hasUvs = !1,
        this.positionArray = null,
        this.normalArray = null,
        this.colorArray = null,
        this.uvArray = null,
        this.count = 0
    }
    ((gh.prototype = Object.create(Si.prototype)).constructor = gh).prototype.isImmediateRenderObject = !0;
    var yh = new Cn
      , wh = function() {
        y(u, Si);
        var l = w(u);
        function u(e, t) {
            var n;
            O(this, u),
            (n = l.call(this)).light = e,
            n.light.updateMatrixWorld(),
            n.matrix = e.matrixWorld,
            n.matrixAutoUpdate = !1,
            n.color = t;
            for (var e = new Mr, i = [0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, -1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, -1, 1], r = 0, a = 1; r < 32; r++,
            a++) {
                var o = r / 32 * Math.PI * 2
                  , s = a / 32 * Math.PI * 2;
                i.push(Math.cos(o), Math.sin(o), 1, Math.cos(s), Math.sin(s), 1)
            }
            e.setAttribute("position", new dr(i,3));
            t = new tl({
                fog: !1,
                toneMapped: !1
            });
            return n.cone = new cl(e,t),
            n.add(n.cone),
            n.update(),
            n
        }
        return h(u, [{
            key: "dispose",
            value: function() {
                this.cone.geometry.dispose(),
                this.cone.material.dispose()
            }
        }, {
            key: "update",
            value: function() {
                this.light.updateMatrixWorld();
                var e = this.light.distance || 1e3
                  , t = e * Math.tan(this.light.angle);
                this.cone.scale.set(t, t, e),
                yh.setFromMatrixPosition(this.light.target.matrixWorld),
                this.cone.lookAt(yh),
                void 0 !== this.color ? this.cone.material.color.set(this.color) : this.cone.material.color.copy(this.light.color)
            }
        }]),
        u
    }()
      , bh = new Cn
      , xh = new ni
      , Eh = new ni
      , _h = function() {
        y(d, cl);
        var c = w(d);
        function d(e) {
            O(this, d);
            for (var t = function e(t) {
                var n = [];
                t && t.isBone && n.push(t);
                for (var i = 0; i < t.children.length; i++)
                    n.push.apply(n, e(t.children[i]));
                return n
            }(e), n = new Mr, i = [], r = [], a = new Yi(0,0,1), o = new Yi(0,1,0), s = 0; s < t.length; s++) {
                var l = t[s];
                l.parent && l.parent.isBone && (i.push(0, 0, 0),
                i.push(0, 0, 0),
                r.push(a.r, a.g, a.b),
                r.push(o.r, o.g, o.b))
            }
            n.setAttribute("position", new dr(i,3)),
            n.setAttribute("color", new dr(r,3));
            var u = new tl({
                vertexColors: !0,
                depthTest: !1,
                depthWrite: !1,
                toneMapped: !1,
                transparent: !0
            });
            return (u = c.call(this, n, u)).type = "SkeletonHelper",
            u.isSkeletonHelper = !0,
            u.root = e,
            u.bones = t,
            u.matrix = e.matrixWorld,
            u.matrixAutoUpdate = !1,
            u
        }
        return h(d, [{
            key: "updateMatrixWorld",
            value: function(e) {
                var t = this.bones
                  , n = this.geometry
                  , i = n.getAttribute("position");
                Eh.copy(this.root.matrixWorld).invert();
                for (var r = 0, a = 0; r < t.length; r++) {
                    var o = t[r];
                    o.parent && o.parent.isBone && (xh.multiplyMatrices(Eh, o.matrixWorld),
                    bh.setFromMatrixPosition(xh),
                    i.setXYZ(a, bh.x, bh.y, bh.z),
                    xh.multiplyMatrices(Eh, o.parent.matrixWorld),
                    bh.setFromMatrixPosition(xh),
                    i.setXYZ(a + 1, bh.x, bh.y, bh.z),
                    a += 2)
                }
                n.getAttribute("position").needsUpdate = !0,
                b(v(d.prototype), "updateMatrixWorld", this).call(this, e)
            }
        }]),
        d
    }();
    var Mh = function() {
        y(a, Hr);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = new Tu(t,4,2)
              , t = new $i({
                wireframe: !0,
                fog: !1,
                toneMapped: !1
            });
            return (t = r.call(this, i, t)).light = e,
            t.light.updateMatrixWorld(),
            t.color = n,
            t.type = "PointLightHelper",
            t.matrix = t.light.matrixWorld,
            t.matrixAutoUpdate = !1,
            t.update(),
            t
        }
        return h(a, [{
            key: "dispose",
            value: function() {
                this.geometry.dispose(),
                this.material.dispose()
            }
        }, {
            key: "update",
            value: function() {
                void 0 !== this.color ? this.material.color.set(this.color) : this.material.color.copy(this.light.color)
            }
        }]),
        a
    }()
      , Ah = new Cn
      , Th = new Yi
      , Sh = new Yi
      , Ch = function() {
        y(a, Si);
        var r = w(a);
        function a(e, t, n) {
            var i;
            O(this, a),
            (i = r.call(this)).light = e,
            i.light.updateMatrixWorld(),
            i.matrix = e.matrixWorld,
            i.matrixAutoUpdate = !1,
            i.color = n;
            n = new vu(t);
            n.rotateY(.5 * Math.PI),
            i.material = new $i({
                wireframe: !0,
                fog: !1,
                toneMapped: !1
            }),
            void 0 === i.color && (i.material.vertexColors = !0);
            t = n.getAttribute("position"),
            t = new Float32Array(3 * t.count);
            return n.setAttribute("color", new nr(t,3)),
            i.add(new Hr(n,i.material)),
            i.update(),
            i
        }
        return h(a, [{
            key: "dispose",
            value: function() {
                this.children[0].geometry.dispose(),
                this.children[0].material.dispose()
            }
        }, {
            key: "update",
            value: function() {
                var e = this.children[0];
                if (void 0 !== this.color)
                    this.material.color.set(this.color);
                else {
                    var t = e.geometry.getAttribute("color");
                    Th.copy(this.light.color),
                    Sh.copy(this.light.groundColor);
                    for (var n = 0, i = t.count; n < i; n++) {
                        var r = n < i / 2 ? Th : Sh;
                        t.setXYZ(n, r.r, r.g, r.b)
                    }
                    t.needsUpdate = !0
                }
                e.lookAt(Ah.setFromMatrixPosition(this.light.matrixWorld).negate())
            }
        }]),
        a
    }()
      , Ph = function() {
        y(m, cl);
        var f = w(m);
        function m() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 10
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 10
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 4473924
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 8947848;
            O(this, m);
            for (var n = new Yi(n), i = new Yi(i), r = t / 2, a = e / t, o = e / 2, s = [], l = [], u = 0, c = 0, d = -o; u <= t; u++,
            d += a) {
                s.push(-o, 0, d, o, 0, d),
                s.push(d, 0, -o, d, 0, o);
                var h = u === r ? n : i;
                h.toArray(l, c),
                c += 3,
                h.toArray(l, c),
                c += 3,
                h.toArray(l, c),
                c += 3,
                h.toArray(l, c),
                c += 3
            }
            var p = new Mr;
            p.setAttribute("position", new dr(s,3)),
            p.setAttribute("color", new dr(l,3));
            var e = new tl({
                vertexColors: !0,
                toneMapped: !1
            });
            return (e = f.call(this, p, e)).type = "GridHelper",
            e
        }
        return h(m)
    }()
      , Dh = function() {
        y(x, cl);
        var b = w(x);
        function x() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 10
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 16
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 8
              , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 64
              , r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : 4473924
              , a = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 8947848;
            O(this, x);
            for (var r = new Yi(r), a = new Yi(a), o = [], s = [], l = 0; l <= t; l++) {
                var u = l / t * (2 * Math.PI)
                  , c = Math.sin(u) * e
                  , u = Math.cos(u) * e;
                o.push(0, 0, 0),
                o.push(c, 0, u);
                u = 1 & l ? r : a;
                s.push(u.r, u.g, u.b),
                s.push(u.r, u.g, u.b)
            }
            for (var d = 0; d <= n; d++)
                for (var h = 1 & d ? r : a, p = e - e / n * d, f = 0; f < i; f++) {
                    var m = f / i * (2 * Math.PI)
                      , v = Math.sin(m) * p
                      , g = Math.cos(m) * p;
                    o.push(v, 0, g),
                    s.push(h.r, h.g, h.b),
                    m = (f + 1) / i * (2 * Math.PI),
                    v = Math.sin(m) * p,
                    g = Math.cos(m) * p,
                    o.push(v, 0, g),
                    s.push(h.r, h.g, h.b)
                }
            var y = new Mr;
            y.setAttribute("position", new dr(o,3)),
            y.setAttribute("color", new dr(s,3));
            var w = new tl({
                vertexColors: !0,
                toneMapped: !1
            });
            return (w = b.call(this, y, w)).type = "PolarGridHelper",
            w
        }
        return h(x)
    }()
      , kh = new Cn
      , Bh = new Cn
      , Lh = new Cn
      , Rh = function() {
        y(a, Si);
        var r = w(a);
        function a(e, t, n) {
            var i;
            O(this, a),
            (i = r.call(this)).light = e,
            i.light.updateMatrixWorld(),
            i.matrix = e.matrixWorld,
            i.matrixAutoUpdate = !1,
            i.color = n,
            void 0 === t && (t = 1);
            n = new Mr;
            n.setAttribute("position", new dr([-t, t, 0, t, t, 0, t, -t, 0, -t, -t, 0, -t, t, 0],3));
            t = new tl({
                fog: !1,
                toneMapped: !1
            });
            return i.lightPlane = new sl(n,t),
            i.add(i.lightPlane),
            (n = new Mr).setAttribute("position", new dr([0, 0, 0, 0, 0, 1],3)),
            i.targetLine = new sl(n,t),
            i.add(i.targetLine),
            i.update(),
            i
        }
        return h(a, [{
            key: "dispose",
            value: function() {
                this.lightPlane.geometry.dispose(),
                this.lightPlane.material.dispose(),
                this.targetLine.geometry.dispose(),
                this.targetLine.material.dispose()
            }
        }, {
            key: "update",
            value: function() {
                kh.setFromMatrixPosition(this.light.matrixWorld),
                Bh.setFromMatrixPosition(this.light.target.matrixWorld),
                Lh.subVectors(Bh, kh),
                this.lightPlane.lookAt(Bh),
                void 0 !== this.color ? (this.lightPlane.material.color.set(this.color),
                this.targetLine.material.color.set(this.color)) : (this.lightPlane.material.color.copy(this.light.color),
                this.targetLine.material.color.copy(this.light.color)),
                this.targetLine.lookAt(Bh),
                this.targetLine.scale.z = Lh.length()
            }
        }]),
        a
    }()
      , Fh = new Cn
      , Ih = new Kr
      , Vd = function() {
        y(f, cl);
        var p = w(f);
        function f(e) {
            O(this, f);
            var t = new Mr
              , n = new tl({
                color: 16777215,
                vertexColors: !0,
                toneMapped: !1
            })
              , i = []
              , r = []
              , a = {}
              , o = new Yi(16755200)
              , s = new Yi(16711680)
              , l = new Yi(43775)
              , u = new Yi(16777215)
              , c = new Yi(3355443);
            function d(e, t, n) {
                h(e, n),
                h(t, n)
            }
            function h(e, t) {
                i.push(0, 0, 0),
                r.push(t.r, t.g, t.b),
                void 0 === a[e] && (a[e] = []),
                a[e].push(i.length / 3 - 1)
            }
            return d("n1", "n2", o),
            d("n2", "n4", o),
            d("n4", "n3", o),
            d("n3", "n1", o),
            d("f1", "f2", o),
            d("f2", "f4", o),
            d("f4", "f3", o),
            d("f3", "f1", o),
            d("n1", "f1", o),
            d("n2", "f2", o),
            d("n3", "f3", o),
            d("n4", "f4", o),
            d("p", "n1", s),
            d("p", "n2", s),
            d("p", "n3", s),
            d("p", "n4", s),
            d("u1", "u2", l),
            d("u2", "u3", l),
            d("u3", "u1", l),
            d("c", "t", u),
            d("p", "c", c),
            d("cn1", "cn2", c),
            d("cn3", "cn4", c),
            d("cf1", "cf2", c),
            d("cf3", "cf4", c),
            t.setAttribute("position", new dr(i,3)),
            t.setAttribute("color", new dr(r,3)),
            (n = p.call(this, t, n)).type = "CameraHelper",
            n.camera = e,
            n.camera.updateProjectionMatrix && n.camera.updateProjectionMatrix(),
            n.matrix = e.matrixWorld,
            n.matrixAutoUpdate = !1,
            n.pointMap = a,
            n.update(),
            n
        }
        return h(f, [{
            key: "update",
            value: function() {
                var e = this.geometry
                  , t = this.pointMap;
                Ih.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),
                Oh("c", t, e, Ih, 0, 0, -1),
                Oh("t", t, e, Ih, 0, 0, 1),
                Oh("n1", t, e, Ih, -1, -1, -1),
                Oh("n2", t, e, Ih, 1, -1, -1),
                Oh("n3", t, e, Ih, -1, 1, -1),
                Oh("n4", t, e, Ih, 1, 1, -1),
                Oh("f1", t, e, Ih, -1, -1, 1),
                Oh("f2", t, e, Ih, 1, -1, 1),
                Oh("f3", t, e, Ih, -1, 1, 1),
                Oh("f4", t, e, Ih, 1, 1, 1),
                Oh("u1", t, e, Ih, .7, 1.1, -1),
                Oh("u2", t, e, Ih, -.7, 1.1, -1),
                Oh("u3", t, e, Ih, 0, 2, -1),
                Oh("cf1", t, e, Ih, -1, 0, 1),
                Oh("cf2", t, e, Ih, 1, 0, 1),
                Oh("cf3", t, e, Ih, 0, -1, 1),
                Oh("cf4", t, e, Ih, 0, 1, 1),
                Oh("cn1", t, e, Ih, -1, 0, -1),
                Oh("cn2", t, e, Ih, 1, 0, -1),
                Oh("cn3", t, e, Ih, 0, -1, -1),
                Oh("cn4", t, e, Ih, 0, 1, -1),
                e.getAttribute("position").needsUpdate = !0
            }
        }]),
        f
    }();
    function Oh(e, t, n, i, r, a, o) {
        Fh.set(r, a, o).unproject(i);
        var s = t[e];
        if (void 0 !== s)
            for (var l = n.getAttribute("position"), u = 0, c = s.length; u < c; u++)
                l.setXYZ(s[u], Fh.x, Fh.y, Fh.z)
    }
    var zh, Nh, Uh = new kn, Gh = function() {
        y(o, cl);
        var a = w(o);
        function o(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 16776960;
            O(this, o);
            var n = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7])
              , i = new Float32Array(24)
              , r = new Mr;
            return r.setIndex(new nr(n,1)),
            r.setAttribute("position", new nr(i,3)),
            (t = a.call(this, r, new tl({
                color: t,
                toneMapped: !1
            }))).object = e,
            t.type = "BoxHelper",
            t.matrixAutoUpdate = !1,
            t.update(),
            t
        }
        return h(o, [{
            key: "update",
            value: function(e) {
                var t, n, i;
                void 0 !== e && console.warn("THREE.BoxHelper: .update() has no longer arguments."),
                void 0 !== this.object && Uh.setFromObject(this.object),
                Uh.isEmpty() || (t = Uh.min,
                n = Uh.max,
                (e = (i = this.geometry.attributes.position).array)[0] = n.x,
                e[1] = n.y,
                e[2] = n.z,
                e[3] = t.x,
                e[4] = n.y,
                e[5] = n.z,
                e[6] = t.x,
                e[7] = t.y,
                e[8] = n.z,
                e[9] = n.x,
                e[10] = t.y,
                e[11] = n.z,
                e[12] = n.x,
                e[13] = n.y,
                e[14] = t.z,
                e[15] = t.x,
                e[16] = n.y,
                e[17] = t.z,
                e[18] = t.x,
                e[19] = t.y,
                e[20] = t.z,
                e[21] = n.x,
                e[22] = t.y,
                e[23] = t.z,
                i.needsUpdate = !0,
                this.geometry.computeBoundingSphere())
            }
        }, {
            key: "setFromObject",
            value: function(e) {
                return this.object = e,
                this.update(),
                this
            }
        }, {
            key: "copy",
            value: function(e) {
                return cl.prototype.copy.call(this, e),
                this.object = e.object,
                this
            }
        }]),
        o
    }(), Xd = function() {
        y(a, cl);
        var r = w(a);
        function a(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 16776960;
            O(this, a);
            var n = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7])
              , i = new Mr;
            return i.setIndex(new nr(n,1)),
            i.setAttribute("position", new dr([1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, -1, -1],3)),
            (t = r.call(this, i, new tl({
                color: t,
                toneMapped: !1
            }))).box = e,
            t.type = "Box3Helper",
            t.geometry.computeBoundingSphere(),
            t
        }
        return h(a, [{
            key: "updateMatrixWorld",
            value: function(e) {
                var t = this.box;
                t.isEmpty() || (t.getCenter(this.position),
                t.getSize(this.scale),
                this.scale.multiplyScalar(.5),
                b(v(a.prototype), "updateMatrixWorld", this).call(this, e))
            }
        }]),
        a
    }(), Hh = function() {
        y(a, sl);
        var r = w(a);
        function a(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 1
              , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 16776960;
            O(this, a);
            var i = n
              , n = new Mr;
            n.setAttribute("position", new dr([1, -1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0],3)),
            n.computeBoundingSphere(),
            (n = r.call(this, n, new tl({
                color: i,
                toneMapped: !1
            }))).type = "PlaneHelper",
            n.plane = e,
            n.size = t;
            t = new Mr;
            return t.setAttribute("position", new dr([1, 1, 1, -1, 1, 1, -1, -1, 1, 1, 1, 1, -1, -1, 1, 1, -1, 1],3)),
            t.computeBoundingSphere(),
            n.add(new Hr(t,new $i({
                color: i,
                opacity: .2,
                transparent: !0,
                depthWrite: !1,
                toneMapped: !1
            }))),
            n
        }
        return h(a, [{
            key: "updateMatrixWorld",
            value: function(e) {
                var t = -this.plane.constant;
                Math.abs(t) < 1e-8 && (t = 1e-8),
                this.scale.set(.5 * this.size, .5 * this.size, t),
                this.children[0].material.side = t < 0 ? J : q,
                this.lookAt(this.plane.normal),
                b(v(a.prototype), "updateMatrixWorld", this).call(this, e)
            }
        }]),
        a
    }(), Vh = new Cn, Wd = function() {
        y(l, Si);
        var s = w(l);
        function l(e, t, n, i, r, a) {
            var o;
            return O(this, l),
            (o = s.call(this)).type = "ArrowHelper",
            void 0 === e && (e = new Cn(0,0,1)),
            void 0 === t && (t = new Cn(0,0,0)),
            void 0 === n && (n = 1),
            void 0 === i && (i = 16776960),
            void 0 === r && (r = .2 * n),
            void 0 === a && (a = .2 * r),
            void 0 === zh && ((zh = new Mr).setAttribute("position", new dr([0, 0, 0, 0, 1, 0],3)),
            (Nh = new kl(0,.5,1,5,1)).translate(0, -.5, 0)),
            o.position.copy(t),
            o.line = new sl(zh,new tl({
                color: i,
                toneMapped: !1
            })),
            o.line.matrixAutoUpdate = !1,
            o.add(o.line),
            o.cone = new Hr(Nh,new $i({
                color: i,
                toneMapped: !1
            })),
            o.cone.matrixAutoUpdate = !1,
            o.add(o.cone),
            o.setDirection(e),
            o.setLength(n, r, a),
            o
        }
        return h(l, [{
            key: "setDirection",
            value: function(e) {
                .99999 < e.y ? this.quaternion.set(0, 0, 0, 1) : e.y < -.99999 ? this.quaternion.set(1, 0, 0, 0) : (Vh.set(e.z, 0, -e.x).normalize(),
                e = Math.acos(e.y),
                this.quaternion.setFromAxisAngle(Vh, e))
            }
        }, {
            key: "setLength",
            value: function(e, t, n) {
                void 0 === t && (t = .2 * e),
                void 0 === n && (n = .2 * t),
                this.line.scale.set(1, Math.max(1e-4, e - t), 1),
                this.line.updateMatrix(),
                this.cone.scale.set(n, t, n),
                this.cone.position.y = e,
                this.cone.updateMatrix()
            }
        }, {
            key: "setColor",
            value: function(e) {
                this.line.material.color.set(e),
                this.cone.material.color.set(e)
            }
        }, {
            key: "copy",
            value: function(e) {
                return b(v(l.prototype), "copy", this).call(this, e, !1),
                this.line.copy(e.line),
                this.cone.copy(e.cone),
                this
            }
        }]),
        l
    }(), jh = function() {
        y(i, cl);
        var n = w(i);
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1;
            O(this, i);
            var t = [0, 0, 0, e, 0, 0, 0, 0, 0, 0, e, 0, 0, 0, 0, 0, 0, e]
              , e = new Mr;
            e.setAttribute("position", new dr(t,3)),
            e.setAttribute("color", new dr([1, 0, 0, 1, .6, 0, 0, 1, 0, .6, 1, 0, 0, 0, 1, 0, .6, 1],3));
            var t = new tl({
                vertexColors: !0,
                toneMapped: !1
            });
            return (t = n.call(this, e, t)).type = "AxesHelper",
            t
        }
        return h(i)
    }(), Wh = new Float32Array(1), Xh = new Int32Array(Wh.buffer), qd = {
        toHalfFloat: function(e) {
            Wh[0] = e;
            var t = Xh[0]
              , n = t >> 16 & 32768
              , i = t >> 12 & 2047
              , e = t >> 23 & 255;
            return e < 103 ? n : 142 < e ? (n |= 31744,
            n |= (255 == e ? 0 : 1) && 8388607 & t) : e < 113 ? n |= ((i |= 2048) >> 114 - e) + (i >> 113 - e & 1) : (n |= e - 112 << 10 | i >> 1,
            n += 1 & i)
        }
    }, qh = Math.pow(2, 8), Jh = [.125, .215, .35, .446, .526, .582], Yh = 5 + Jh.length, Zh = (H(Jd = {}, rn, 0),
    H(Jd, an, 1),
    H(Jd, 3002, 2),
    H(Jd, 3004, 3),
    H(Jd, 3005, 4),
    H(Jd, 3006, 5),
    H(Jd, 3007, 6),
    Jd), Qh = new ed, Yd = rp(), Kh = Yd._lodPlanes, $h = Yd._sizeLods, ep = Yd._sigmas, tp = new Yi, np = null, Zd = (1 + Math.sqrt(5)) / 2, Jd = 1 / Zd, ip = [new Cn(1,1,1), new Cn(-1,1,1), new Cn(1,1,-1), new Cn(-1,1,-1), new Cn(0,Zd,Jd), new Cn(0,Zd,-Jd), new Cn(Jd,0,Zd), new Cn(-Jd,0,Zd), new Cn(Zd,Jd,0), new Cn(-Zd,Jd,0)], Yd = function() {
        function i(e) {
            var t, n;
            O(this, i),
            this._renderer = e,
            this._pingPongRenderTarget = null,
            this._blurMaterial = (t = 20,
            n = new Float32Array(t),
            e = new Cn(0,1,0),
            new Gu({
                name: "SphericalGaussianBlur",
                defines: {
                    n: t
                },
                uniforms: {
                    envMap: {
                        value: null
                    },
                    samples: {
                        value: 1
                    },
                    weights: {
                        value: n
                    },
                    latitudinal: {
                        value: !1
                    },
                    dTheta: {
                        value: 0
                    },
                    mipInt: {
                        value: 0
                    },
                    poleAxis: {
                        value: e
                    },
                    inputEncoding: {
                        value: Zh[rn]
                    },
                    outputEncoding: {
                        value: Zh[rn]
                    }
                },
                vertexShader: up(),
                fragmentShader: "\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t".concat(cp(), "\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t"),
                blending: Z,
                depthTest: !1,
                depthWrite: !1
            })),
            this._equirectShader = null,
            this._cubemapShader = null,
            this._compileMaterial(this._blurMaterial)
        }
        return h(i, [{
            key: "fromScene",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
                  , n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : .1
                  , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 100;
                np = this._renderer.getRenderTarget();
                var r = this._allocateTargets();
                return this._sceneToCubeUV(e, n, i, r),
                0 < t && this._blur(r, 0, 0, t),
                this._applyPMREM(r),
                this._cleanup(r),
                r
            }
        }, {
            key: "fromEquirectangular",
            value: function(e) {
                return this._fromTexture(e)
            }
        }, {
            key: "fromCubemap",
            value: function(e) {
                return this._fromTexture(e)
            }
        }, {
            key: "compileCubemapShader",
            value: function() {
                null === this._cubemapShader && (this._cubemapShader = lp(),
                this._compileMaterial(this._cubemapShader))
            }
        }, {
            key: "compileEquirectangularShader",
            value: function() {
                null === this._equirectShader && (this._equirectShader = sp(),
                this._compileMaterial(this._equirectShader))
            }
        }, {
            key: "dispose",
            value: function() {
                this._blurMaterial.dispose(),
                null !== this._cubemapShader && this._cubemapShader.dispose(),
                null !== this._equirectShader && this._equirectShader.dispose();
                for (var e = 0; e < Kh.length; e++)
                    Kh[e].dispose()
            }
        }, {
            key: "_cleanup",
            value: function(e) {
                this._pingPongRenderTarget.dispose(),
                this._renderer.setRenderTarget(np),
                e.scissorTest = !1,
                op(e, 0, 0, e.width, e.height)
            }
        }, {
            key: "_fromTexture",
            value: function(e) {
                np = this._renderer.getRenderTarget();
                var t = this._allocateTargets(e);
                return this._textureToCubeUV(e, t),
                this._applyPMREM(t),
                this._cleanup(t),
                t
            }
        }, {
            key: "_allocateTargets",
            value: function(e) {
                var t = {
                    magFilter: Re,
                    minFilter: Re,
                    generateMipmaps: !1,
                    type: Ue,
                    format: it,
                    encoding: void 0 === (n = e) || n.type !== Ue || n.encoding !== rn && n.encoding !== an && 3007 !== n.encoding ? 3002 : e.encoding,
                    depthBuffer: !1
                }
                  , n = ap(t);
                return n.depthBuffer = !e,
                this._pingPongRenderTarget = ap(t),
                n
            }
        }, {
            key: "_compileMaterial",
            value: function(e) {
                e = new Hr(Kh[0],e);
                this._renderer.compile(e, Qh)
            }
        }, {
            key: "_sceneToCubeUV",
            value: function(e, t, n, i) {
                var r = new $r(90,1,t,n)
                  , a = [1, -1, 1, 1, 1, 1]
                  , o = [1, 1, 1, -1, -1, -1]
                  , s = this._renderer
                  , l = s.outputEncoding
                  , u = s.toneMapping;
                s.getClearColor(tp);
                var c = s.getClearAlpha();
                s.toneMapping = De,
                s.outputEncoding = rn;
                var t = e.background;
                t && t.isColor && (t.convertSRGBToLinear(),
                n = Math.max(t.r, t.g, t.b),
                n = Math.min(Math.max(Math.ceil(Math.log2(n)), -128), 127),
                t = t.multiplyScalar(Math.pow(2, -n)),
                s.setClearColor(t, (n + 128) / 255),
                e.background = null);
                for (var d = 0; d < 6; d++) {
                    var h = d % 3;
                    0 == h ? (r.up.set(0, a[d], 0),
                    r.lookAt(o[d], 0, 0)) : 1 == h ? (r.up.set(0, 0, a[d]),
                    r.lookAt(0, o[d], 0)) : (r.up.set(0, a[d], 0),
                    r.lookAt(0, 0, o[d])),
                    op(i, h * qh, 2 < d ? qh : 0, qh, qh),
                    s.setRenderTarget(i),
                    s.render(e, r)
                }
                s.toneMapping = u,
                s.outputEncoding = l,
                s.setClearColor(tp, c)
            }
        }, {
            key: "_textureToCubeUV",
            value: function(e, t) {
                var n = this._renderer;
                e.isCubeTexture ? null == this._cubemapShader && (this._cubemapShader = lp()) : null == this._equirectShader && (this._equirectShader = sp());
                var i = e.isCubeTexture ? this._cubemapShader : this._equirectShader
                  , r = new Hr(Kh[0],i)
                  , i = i.uniforms;
                (i.envMap.value = e).isCubeTexture || i.texelSize.value.set(1 / e.image.width, 1 / e.image.height),
                i.inputEncoding.value = Zh[e.encoding],
                i.outputEncoding.value = Zh[t.texture.encoding],
                op(t, 0, 0, 3 * qh, 2 * qh),
                n.setRenderTarget(t),
                n.render(r, Qh)
            }
        }, {
            key: "_applyPMREM",
            value: function(e) {
                var t = this._renderer
                  , n = t.autoClear;
                t.autoClear = !1;
                for (var i = 1; i < Yh; i++) {
                    var r = Math.sqrt(ep[i] * ep[i] - ep[i - 1] * ep[i - 1]);
                    this._blur(e, i - 1, i, r, ip[(i - 1) % ip.length])
                }
                t.autoClear = n
            }
        }, {
            key: "_blur",
            value: function(e, t, n, i, r) {
                var a = this._pingPongRenderTarget;
                this._halfBlur(e, a, t, n, i, "latitudinal", r),
                this._halfBlur(a, e, n, n, i, "longitudinal", r)
            }
        }, {
            key: "_halfBlur",
            value: function(e, t, n, i, r, a, o) {
                var s = this._renderer
                  , l = this._blurMaterial;
                "latitudinal" !== a && "longitudinal" !== a && console.error("blur direction must be either latitudinal or longitudinal!");
                var u = new Hr(Kh[i],l)
                  , c = l.uniforms
                  , l = $h[n] - 1
                  , l = isFinite(r) ? Math.PI / (2 * l) : 2 * Math.PI / 39
                  , d = r / l
                  , h = isFinite(r) ? 1 + Math.floor(3 * d) : 20;
                20 < h && console.warn("sigmaRadians, ".concat(r, ", is too large and will clip, as it requested ").concat(h, " samples when the maximum is set to ").concat(20));
                for (var p = [], f = 0, m = 0; m < 20; ++m) {
                    var v = m / d
                      , v = Math.exp(-v * v / 2);
                    p.push(v),
                    0 == m ? f += v : m < h && (f += 2 * v)
                }
                for (var g = 0; g < p.length; g++)
                    p[g] = p[g] / f;
                c.envMap.value = e.texture,
                c.samples.value = h,
                c.weights.value = p,
                c.latitudinal.value = "latitudinal" === a,
                o && (c.poleAxis.value = o),
                c.dTheta.value = l,
                c.mipInt.value = 8 - n,
                c.inputEncoding.value = Zh[e.texture.encoding],
                c.outputEncoding.value = Zh[e.texture.encoding];
                e = $h[i];
                op(t, 3 * Math.max(0, qh - 2 * e), (0 === i ? 0 : 2 * qh) + 2 * e * (4 < i ? i - 8 + 4 : 0), 3 * e, 2 * e),
                s.setRenderTarget(t),
                s.render(u, Qh)
            }
        }]),
        i
    }();
    function rp() {
        for (var e = [], t = [], n = [], i = 8, r = 0; r < Yh; r++) {
            var a = Math.pow(2, i);
            t.push(a);
            var o = 1 / a;
            4 < r ? o = Jh[r - 8 + 4 - 1] : 0 == r && (o = 0),
            n.push(o);
            for (var o = 1 / (a - 1), a = -o / 2, o = 1 + o / 2, s = [a, a, o, a, o, o, a, a, o, o, a, o], l = new Float32Array(108), u = new Float32Array(72), c = new Float32Array(36), d = 0; d < 6; d++) {
                var h = d % 3 * 2 / 3 - 1
                  , p = 2 < d ? 0 : -1;
                l.set([h, p, 0, h + 2 / 3, p, 0, h + 2 / 3, 1 + p, 0, h, p, 0, h + 2 / 3, 1 + p, 0, h, 1 + p, 0], 18 * d),
                u.set(s, 12 * d),
                c.set([d, d, d, d, d, d], 6 * d)
            }
            o = new Mr;
            o.setAttribute("position", new nr(l,3)),
            o.setAttribute("uv", new nr(u,2)),
            o.setAttribute("faceIndex", new nr(c,1)),
            e.push(o),
            4 < i && i--
        }
        return {
            _lodPlanes: e,
            _sizeLods: t,
            _sigmas: n
        }
    }
    function ap(e) {
        e = new An(3 * qh,3 * qh,e);
        return e.texture.mapping = z,
        e.texture.name = "PMREM.cubeUv",
        e.scissorTest = !0,
        e
    }
    function op(e, t, n, i, r) {
        e.viewport.set(t, n, i, r),
        e.scissor.set(t, n, i, r)
    }
    function sp() {
        return new Gu({
            name: "EquirectangularToCubeUV",
            uniforms: {
                envMap: {
                    value: null
                },
                texelSize: {
                    value: new yn(1,1)
                },
                inputEncoding: {
                    value: Zh[rn]
                },
                outputEncoding: {
                    value: Zh[rn]
                }
            },
            vertexShader: up(),
            fragmentShader: "\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t".concat(cp(), "\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t"),
            blending: Z,
            depthTest: !1,
            depthWrite: !1
        })
    }
    function lp() {
        return new Gu({
            name: "CubemapToCubeUV",
            uniforms: {
                envMap: {
                    value: null
                },
                inputEncoding: {
                    value: Zh[rn]
                },
                outputEncoding: {
                    value: Zh[rn]
                }
            },
            vertexShader: up(),
            fragmentShader: "\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t".concat(cp(), "\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t"),
            blending: Z,
            depthTest: !1,
            depthWrite: !1
        })
    }
    function up() {
        return "\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"
    }
    function cp() {
        return "\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include <encodings_pars_fragment>\n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 );\n\n\t\t\t} else if ( outputEncoding == 4 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 16.0 );\n\n\t\t\t} else if ( outputEncoding == 5 ) {\n\n\t\t\t\treturn LinearToRGBD( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn LinearToGamma( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 envMapTexelToLinear( vec4 color ) {\n\n\t\t\treturn inputTexelToLinear( color );\n\n\t\t}\n\t"
    }
    function dp(e, t) {
        return console.warn("THREE.PointCloud has been renamed to THREE.Points."),
        new gl(e,t)
    }
    function hp(e) {
        console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),
        Bc.call(this, e),
        this.type = "catmullrom",
        this.closed = !0
    }
    function pp(e) {
        console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead."),
        Bc.call(this, e),
        this.type = "catmullrom"
    }
    function fp(e) {
        console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead."),
        Bc.call(this, e),
        this.type = "catmullrom"
    }
    Mc.create = function(e, t) {
        return console.log("THREE.Curve.create() has been deprecated"),
        e.prototype = Object.create(Mc.prototype),
        (e.prototype.constructor = e).prototype.getPoint = t,
        e
    }
    ,
    Object.assign(jc.prototype, {
        createPointsGeometry: function(e) {
            console.warn("THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");
            e = this.getPoints(e);
            return this.createGeometry(e)
        },
        createSpacedPointsGeometry: function(e) {
            console.warn("THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");
            e = this.getSpacedPoints(e);
            return this.createGeometry(e)
        },
        createGeometry: function(e) {
            console.warn("THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");
            for (var t = new Sl, n = 0, i = e.length; n < i; n++) {
                var r = e[n];
                t.vertices.push(new Cn(r.x,r.y,r.z || 0))
            }
            return t
        }
    }),
    Object.assign(Wc.prototype, {
        fromPoints: function(e) {
            return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),
            this.setFromPoints(e)
        }
    }),
    hp.prototype = Object.create(Bc.prototype),
    pp.prototype = Object.create(Bc.prototype),
    fp.prototype = Object.create(Bc.prototype),
    Object.assign(fp.prototype, {
        initFromArray: function() {
            console.error("THREE.Spline: .initFromArray() has been removed.")
        },
        getControlPointsArray: function() {
            console.error("THREE.Spline: .getControlPointsArray() has been removed.")
        },
        reparametrizeByArcLength: function() {
            console.error("THREE.Spline: .reparametrizeByArcLength() has been removed.")
        }
    }),
    Ph.prototype.setColors = function() {
        console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")
    }
    ,
    _h.prototype.update = function() {
        console.error("THREE.SkeletonHelper: update() no longer needs to be called.")
    }
    ,
    Object.assign(mc.prototype, {
        extractUrlBase: function(e) {
            return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),
            ld.extractUrlBase(e)
        }
    }),
    mc.Handlers = {
        add: function() {
            console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")
        },
        get: function() {
            console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")
        }
    },
    Object.assign(ph.prototype, {
        center: function(e) {
            return console.warn("THREE.Box2: .center() has been renamed to .getCenter()."),
            this.getCenter(e)
        },
        empty: function() {
            return console.warn("THREE.Box2: .empty() has been renamed to .isEmpty()."),
            this.isEmpty()
        },
        isIntersectionBox: function(e) {
            return console.warn("THREE.Box2: .isIntersectionBox() has been renamed to .intersectsBox()."),
            this.intersectsBox(e)
        },
        size: function(e) {
            return console.warn("THREE.Box2: .size() has been renamed to .getSize()."),
            this.getSize(e)
        }
    }),
    Object.assign(kn.prototype, {
        center: function(e) {
            return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),
            this.getCenter(e)
        },
        empty: function() {
            return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),
            this.isEmpty()
        },
        isIntersectionBox: function(e) {
            return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),
            this.intersectsBox(e)
        },
        isIntersectionSphere: function(e) {
            return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),
            this.intersectsSphere(e)
        },
        size: function(e) {
            return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),
            this.getSize(e)
        }
    }),
    Object.assign(qn.prototype, {
        empty: function() {
            return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),
            this.isEmpty()
        }
    }),
    oa.prototype.setFromMatrix = function(e) {
        return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),
        this.setFromProjectionMatrix(e)
    }
    ,
    vh.prototype.center = function(e) {
        return console.warn("THREE.Line3: .center() has been renamed to .getCenter()."),
        this.getCenter(e)
    }
    ,
    Object.assign(gn, {
        random16: function() {
            return console.warn("THREE.Math: .random16() has been deprecated. Use Math.random() instead."),
            Math.random()
        },
        nearestPowerOfTwo: function(e) {
            return console.warn("THREE.Math: .nearestPowerOfTwo() has been renamed to .floorPowerOfTwo()."),
            gn.floorPowerOfTwo(e)
        },
        nextPowerOfTwo: function(e) {
            return console.warn("THREE.Math: .nextPowerOfTwo() has been renamed to .ceilPowerOfTwo()."),
            gn.ceilPowerOfTwo(e)
        }
    }),
    Object.assign(wn.prototype, {
        flattenToArrayOffset: function(e, t) {
            return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),
            this.toArray(e, t)
        },
        multiplyVector3: function(e) {
            return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),
            e.applyMatrix3(this)
        },
        multiplyVector3Array: function() {
            console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")
        },
        applyToBufferAttribute: function(e) {
            return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),
            e.applyMatrix3(this)
        },
        applyToVector3Array: function() {
            console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")
        },
        getInverse: function(e) {
            return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),
            this.copy(e).invert()
        }
    }),
    Object.assign(ni.prototype, {
        extractPosition: function(e) {
            return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),
            this.copyPosition(e)
        },
        flattenToArrayOffset: function(e, t) {
            return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),
            this.toArray(e, t)
        },
        getPosition: function() {
            return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),
            (new Cn).setFromMatrixColumn(this, 3)
        },
        setRotationFromQuaternion: function(e) {
            return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),
            this.makeRotationFromQuaternion(e)
        },
        multiplyToArray: function() {
            console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")
        },
        multiplyVector3: function(e) {
            return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),
            e.applyMatrix4(this)
        },
        multiplyVector4: function(e) {
            return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),
            e.applyMatrix4(this)
        },
        multiplyVector3Array: function() {
            console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")
        },
        rotateAxis: function(e) {
            console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),
            e.transformDirection(this)
        },
        crossVector: function(e) {
            return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),
            e.applyMatrix4(this)
        },
        translate: function() {
            console.error("THREE.Matrix4: .translate() has been removed.")
        },
        rotateX: function() {
            console.error("THREE.Matrix4: .rotateX() has been removed.")
        },
        rotateY: function() {
            console.error("THREE.Matrix4: .rotateY() has been removed.")
        },
        rotateZ: function() {
            console.error("THREE.Matrix4: .rotateZ() has been removed.")
        },
        rotateByAxis: function() {
            console.error("THREE.Matrix4: .rotateByAxis() has been removed.")
        },
        applyToBufferAttribute: function(e) {
            return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),
            e.applyMatrix4(this)
        },
        applyToVector3Array: function() {
            console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")
        },
        makeFrustum: function(e, t, n, i, r, a) {
            return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),
            this.makePerspective(e, t, i, n, r, a)
        },
        getInverse: function(e) {
            return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),
            this.copy(e).invert()
        }
    }),
    ki.prototype.isIntersectionLine = function(e) {
        return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),
        this.intersectsLine(e)
    }
    ,
    Object.assign(Sn.prototype, {
        multiplyVector3: function(e) {
            return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),
            e.applyQuaternion(this)
        },
        inverse: function() {
            return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),
            this.invert()
        }
    }),
    Object.assign(ti.prototype, {
        isIntersectionBox: function(e) {
            return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),
            this.intersectsBox(e)
        },
        isIntersectionPlane: function(e) {
            return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),
            this.intersectsPlane(e)
        },
        isIntersectionSphere: function(e) {
            return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),
            this.intersectsSphere(e)
        }
    }),
    Object.assign(Hi.prototype, {
        area: function() {
            return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),
            this.getArea()
        },
        barycoordFromPoint: function(e, t) {
            return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),
            this.getBarycoord(e, t)
        },
        midpoint: function(e) {
            return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),
            this.getMidpoint(e)
        },
        normal: function(e) {
            return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),
            this.getNormal(e)
        },
        plane: function(e) {
            return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),
            this.getPlane(e)
        }
    }),
    Object.assign(Hi, {
        barycoordFromPoint: function(e, t, n, i, r) {
            return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),
            Hi.getBarycoord(e, t, n, i, r)
        },
        normal: function(e, t, n, i) {
            return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),
            Hi.getNormal(e, t, n, i)
        }
    }),
    Object.assign(Xc.prototype, {
        extractAllPoints: function(e) {
            return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),
            this.extractPoints(e)
        },
        extrude: function(e) {
            return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),
            new du(this,e)
        },
        makeGeometry: function(e) {
            return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),
            new Au(this,e)
        }
    }),
    Object.assign(yn.prototype, {
        fromAttribute: function(e, t, n) {
            return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),
            this.fromBufferAttribute(e, t, n)
        },
        distanceToManhattan: function(e) {
            return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),
            this.manhattanDistanceTo(e)
        },
        lengthManhattan: function() {
            return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),
            this.manhattanLength()
        }
    }),
    Object.assign(Cn.prototype, {
        setEulerFromRotationMatrix: function() {
            console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")
        },
        setEulerFromQuaternion: function() {
            console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")
        },
        getPositionFromMatrix: function(e) {
            return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),
            this.setFromMatrixPosition(e)
        },
        getScaleFromMatrix: function(e) {
            return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),
            this.setFromMatrixScale(e)
        },
        getColumnFromMatrix: function(e, t) {
            return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),
            this.setFromMatrixColumn(t, e)
        },
        applyProjection: function(e) {
            return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),
            this.applyMatrix4(e)
        },
        fromAttribute: function(e, t, n) {
            return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),
            this.fromBufferAttribute(e, t, n)
        },
        distanceToManhattan: function(e) {
            return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),
            this.manhattanDistanceTo(e)
        },
        lengthManhattan: function() {
            return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),
            this.manhattanLength()
        }
    }),
    Object.assign(Mn.prototype, {
        fromAttribute: function(e, t, n) {
            return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),
            this.fromBufferAttribute(e, t, n)
        },
        lengthManhattan: function() {
            return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),
            this.manhattanLength()
        }
    }),
    Object.assign(Sl.prototype, {
        computeTangents: function() {
            console.error("THREE.Geometry: .computeTangents() has been removed.")
        },
        computeLineDistances: function() {
            console.error("THREE.Geometry: .computeLineDistances() has been removed. Use THREE.Line.computeLineDistances() instead.")
        },
        applyMatrix: function(e) {
            return console.warn("THREE.Geometry: .applyMatrix() has been renamed to .applyMatrix4()."),
            this.applyMatrix4(e)
        }
    }),
    Object.assign(Si.prototype, {
        getChildByName: function(e) {
            return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),
            this.getObjectByName(e)
        },
        renderDepth: function() {
            console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")
        },
        translate: function(e, t) {
            return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),
            this.translateOnAxis(t, e)
        },
        getWorldRotation: function() {
            console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")
        },
        applyMatrix: function(e) {
            return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),
            this.applyMatrix4(e)
        }
    }),
    Object.defineProperties(Si.prototype, {
        eulerOrder: {
            get: function() {
                return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),
                this.rotation.order
            },
            set: function(e) {
                console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),
                this.rotation.order = e
            }
        },
        useQuaternion: {
            get: function() {
                console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")
            },
            set: function() {
                console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")
            }
        }
    }),
    Object.assign(Hr.prototype, {
        setDrawMode: function() {
            console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")
        }
    }),
    Object.defineProperties(Hr.prototype, {
        drawMode: {
            get: function() {
                return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),
                0
            },
            set: function() {
                console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")
            }
        }
    }),
    Object.defineProperties(Ns.prototype, {
        objects: {
            get: function() {
                return console.warn("THREE.LOD: .objects has been renamed to .levels."),
                this.levels
            }
        }
    }),
    Object.defineProperty(Ys.prototype, "useVertexTexture", {
        get: function() {
            console.warn("THREE.Skeleton: useVertexTexture has been removed.")
        },
        set: function() {
            console.warn("THREE.Skeleton: useVertexTexture has been removed.")
        }
    }),
    Ws.prototype.initBones = function() {
        console.error("THREE.SkinnedMesh: initBones() has been removed.")
    }
    ,
    Object.defineProperty(Mc.prototype, "__arcLengthDivisions", {
        get: function() {
            return console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),
            this.arcLengthDivisions
        },
        set: function(e) {
            console.warn("THREE.Curve: .__arcLengthDivisions is now .arcLengthDivisions."),
            this.arcLengthDivisions = e
        }
    }),
    $r.prototype.setLens = function(e, t) {
        console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),
        void 0 !== t && (this.filmGauge = t),
        this.setFocalLength(e)
    }
    ,
    Object.defineProperties(qc.prototype, {
        onlyShadow: {
            set: function() {
                console.warn("THREE.Light: .onlyShadow has been removed.")
            }
        },
        shadowCameraFov: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),
                this.shadow.camera.fov = e
            }
        },
        shadowCameraLeft: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),
                this.shadow.camera.left = e
            }
        },
        shadowCameraRight: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),
                this.shadow.camera.right = e
            }
        },
        shadowCameraTop: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),
                this.shadow.camera.top = e
            }
        },
        shadowCameraBottom: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),
                this.shadow.camera.bottom = e
            }
        },
        shadowCameraNear: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),
                this.shadow.camera.near = e
            }
        },
        shadowCameraFar: {
            set: function(e) {
                console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),
                this.shadow.camera.far = e
            }
        },
        shadowCameraVisible: {
            set: function() {
                console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")
            }
        },
        shadowBias: {
            set: function(e) {
                console.warn("THREE.Light: .shadowBias is now .shadow.bias."),
                this.shadow.bias = e
            }
        },
        shadowDarkness: {
            set: function() {
                console.warn("THREE.Light: .shadowDarkness has been removed.")
            }
        },
        shadowMapWidth: {
            set: function(e) {
                console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),
                this.shadow.mapSize.width = e
            }
        },
        shadowMapHeight: {
            set: function(e) {
                console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),
                this.shadow.mapSize.height = e
            }
        }
    }),
    Object.defineProperties(nr.prototype, {
        length: {
            get: function() {
                return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),
                this.array.length
            }
        },
        dynamic: {
            get: function() {
                return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),
                this.usage === cn
            },
            set: function() {
                console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),
                this.setUsage(cn)
            }
        }
    }),
    Object.assign(nr.prototype, {
        setDynamic: function(e) {
            return this.setUsage(!0 === e ? cn : un),
            this
        },
        copyIndicesArray: function() {
            console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")
        },
        setArray: function() {
            console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")
        }
    }),
    Object.assign(Mr.prototype, {
        addIndex: function(e) {
            console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),
            this.setIndex(e)
        },
        addAttribute: function(e, t) {
            return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),
            t && t.isBufferAttribute || t && t.isInterleavedBufferAttribute ? "index" === e ? (console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),
            this.setIndex(t),
            this) : this.setAttribute(e, t) : (console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),
            this.setAttribute(e, new nr(t,arguments[2])))
        },
        addDrawCall: function(e, t, n) {
            void 0 !== n && console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),
            console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),
            this.addGroup(e, t)
        },
        clearDrawCalls: function() {
            console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),
            this.clearGroups()
        },
        computeTangents: function() {
            console.warn("THREE.BufferGeometry: .computeTangents() has been removed.")
        },
        computeOffsets: function() {
            console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")
        },
        removeAttribute: function(e) {
            return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),
            this.deleteAttribute(e)
        },
        applyMatrix: function(e) {
            return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),
            this.applyMatrix4(e)
        }
    }),
    Object.defineProperties(Mr.prototype, {
        drawcalls: {
            get: function() {
                return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),
                this.groups
            }
        },
        offsets: {
            get: function() {
                return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),
                this.groups
            }
        }
    }),
    Object.defineProperties(ud.prototype, {
        maxInstancedCount: {
            get: function() {
                return console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),
                this.instanceCount
            },
            set: function(e) {
                console.warn("THREE.InstancedBufferGeometry: .maxInstancedCount has been renamed to .instanceCount."),
                this.instanceCount = e
            }
        }
    }),
    Object.defineProperties(sh.prototype, {
        linePrecision: {
            get: function() {
                return console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),
                this.params.Line.threshold
            },
            set: function(e) {
                console.warn("THREE.Raycaster: .linePrecision has been deprecated. Use .params.Line.threshold instead."),
                this.params.Line.threshold = e
            }
        }
    }),
    Object.defineProperties(ys.prototype, {
        dynamic: {
            get: function() {
                return console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),
                this.usage === cn
            },
            set: function(e) {
                console.warn("THREE.InterleavedBuffer: .length has been deprecated. Use .usage instead."),
                this.setUsage(e)
            }
        }
    }),
    Object.assign(ys.prototype, {
        setDynamic: function(e) {
            return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),
            this.setUsage(!0 === e ? cn : un),
            this
        },
        setArray: function() {
            console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")
        }
    }),
    Object.assign(uu.prototype, {
        getArrays: function() {
            console.error("THREE.ExtrudeBufferGeometry: .getArrays() has been removed.")
        },
        addShapeList: function() {
            console.error("THREE.ExtrudeBufferGeometry: .addShapeList() has been removed.")
        },
        addShape: function() {
            console.error("THREE.ExtrudeBufferGeometry: .addShape() has been removed.")
        }
    }),
    Object.assign(gs.prototype, {
        dispose: function() {
            console.error("THREE.Scene: .dispose() has been removed.")
        }
    }),
    Object.defineProperties(rh.prototype, {
        dynamic: {
            set: function() {
                console.warn("THREE.Uniform: .dynamic has been removed. Use object.onBeforeRender() instead.")
            }
        },
        onUpdate: {
            value: function() {
                return console.warn("THREE.Uniform: .onUpdate() has been removed. Use object.onBeforeRender() instead."),
                this
            }
        }
    }),
    Object.defineProperties(Ki.prototype, {
        wrapAround: {
            get: function() {
                console.warn("THREE.Material: .wrapAround has been removed.")
            },
            set: function() {
                console.warn("THREE.Material: .wrapAround has been removed.")
            }
        },
        overdraw: {
            get: function() {
                console.warn("THREE.Material: .overdraw has been removed.")
            },
            set: function() {
                console.warn("THREE.Material: .overdraw has been removed.")
            }
        },
        wrapRGB: {
            get: function() {
                return console.warn("THREE.Material: .wrapRGB has been removed."),
                new Yi
            }
        },
        shading: {
            get: function() {
                console.error("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead.")
            },
            set: function(e) {
                console.warn("THREE." + this.type + ": .shading has been removed. Use the boolean .flatShading instead."),
                this.flatShading = 1 === e
            }
        },
        stencilMask: {
            get: function() {
                return console.warn("THREE." + this.type + ": .stencilMask has been removed. Use .stencilFuncMask instead."),
                this.stencilFuncMask
            },
            set: function(e) {
                console.warn("THREE." + this.type + ": .stencilMask has been removed. Use .stencilFuncMask instead."),
                this.stencilFuncMask = e
            }
        }
    }),
    Object.defineProperties(ju.prototype, {
        metal: {
            get: function() {
                return console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead."),
                !1
            },
            set: function() {
                console.warn("THREE.MeshPhongMaterial: .metal has been removed. Use THREE.MeshStandardMaterial instead")
            }
        }
    }),
    Object.defineProperties(Vu.prototype, {
        transparency: {
            get: function() {
                return console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),
                this.transmission
            },
            set: function(e) {
                console.warn("THREE.MeshPhysicalMaterial: .transparency has been renamed to .transmission."),
                this.transmission = e
            }
        }
    }),
    Object.defineProperties(Qr.prototype, {
        derivatives: {
            get: function() {
                return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),
                this.extensions.derivatives
            },
            set: function(e) {
                console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),
                this.extensions.derivatives = e
            }
        }
    }),
    Object.assign(ps.prototype, {
        clearTarget: function(e, t, n, i) {
            console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),
            this.setRenderTarget(e),
            this.clear(t, n, i)
        },
        animate: function(e) {
            console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),
            this.setAnimationLoop(e)
        },
        getCurrentRenderTarget: function() {
            return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),
            this.getRenderTarget()
        },
        getMaxAnisotropy: function() {
            return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),
            this.capabilities.getMaxAnisotropy()
        },
        getPrecision: function() {
            return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),
            this.capabilities.precision
        },
        resetGLState: function() {
            return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),
            this.state.reset()
        },
        supportsFloatTextures: function() {
            return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),
            this.extensions.get("OES_texture_float")
        },
        supportsHalfFloatTextures: function() {
            return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),
            this.extensions.get("OES_texture_half_float")
        },
        supportsStandardDerivatives: function() {
            return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),
            this.extensions.get("OES_standard_derivatives")
        },
        supportsCompressedTextureS3TC: function() {
            return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),
            this.extensions.get("WEBGL_compressed_texture_s3tc")
        },
        supportsCompressedTexturePVRTC: function() {
            return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),
            this.extensions.get("WEBGL_compressed_texture_pvrtc")
        },
        supportsBlendMinMax: function() {
            return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),
            this.extensions.get("EXT_blend_minmax")
        },
        supportsVertexTextures: function() {
            return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),
            this.capabilities.vertexTextures
        },
        supportsInstancedArrays: function() {
            return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),
            this.extensions.get("ANGLE_instanced_arrays")
        },
        enableScissorTest: function(e) {
            console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),
            this.setScissorTest(e)
        },
        initMaterial: function() {
            console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")
        },
        addPrePlugin: function() {
            console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")
        },
        addPostPlugin: function() {
            console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")
        },
        updateShadowMap: function() {
            console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")
        },
        setFaceCulling: function() {
            console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")
        },
        allocTextureUnit: function() {
            console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")
        },
        setTexture: function() {
            console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")
        },
        setTexture2D: function() {
            console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")
        },
        setTextureCube: function() {
            console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")
        },
        getActiveMipMapLevel: function() {
            return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),
            this.getActiveMipmapLevel()
        }
    }),
    Object.defineProperties(ps.prototype, {
        shadowMapEnabled: {
            get: function() {
                return this.shadowMap.enabled
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),
                this.shadowMap.enabled = e
            }
        },
        shadowMapType: {
            get: function() {
                return this.shadowMap.type
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),
                this.shadowMap.type = e
            }
        },
        shadowMapCullFace: {
            get: function() {
                console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")
            }
        },
        context: {
            get: function() {
                return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),
                this.getContext()
            }
        },
        vr: {
            get: function() {
                return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),
                this.xr
            }
        },
        gammaInput: {
            get: function() {
                return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),
                !1
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")
            }
        },
        gammaOutput: {
            get: function() {
                return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),
                !1
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),
                this.outputEncoding = !0 === e ? an : rn
            }
        },
        toneMappingWhitePoint: {
            get: function() {
                return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),
                1
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")
            }
        }
    }),
    Object.defineProperties(rs.prototype, {
        cullFace: {
            get: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")
            }
        },
        renderReverseSided: {
            get: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")
            }
        },
        renderSingleSided: {
            get: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")
            },
            set: function() {
                console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")
            }
        }
    }),
    Object.defineProperties(An.prototype, {
        wrapS: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),
                this.texture.wrapS
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),
                this.texture.wrapS = e
            }
        },
        wrapT: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),
                this.texture.wrapT
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),
                this.texture.wrapT = e
            }
        },
        magFilter: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),
                this.texture.magFilter
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),
                this.texture.magFilter = e
            }
        },
        minFilter: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),
                this.texture.minFilter
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),
                this.texture.minFilter = e
            }
        },
        anisotropy: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),
                this.texture.anisotropy
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),
                this.texture.anisotropy = e
            }
        },
        offset: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),
                this.texture.offset
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),
                this.texture.offset = e
            }
        },
        repeat: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),
                this.texture.repeat
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),
                this.texture.repeat = e
            }
        },
        format: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),
                this.texture.format
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),
                this.texture.format = e
            }
        },
        type: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),
                this.texture.type
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),
                this.texture.type = e
            }
        },
        generateMipmaps: {
            get: function() {
                return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),
                this.texture.generateMipmaps
            },
            set: function(e) {
                console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),
                this.texture.generateMipmaps = e
            }
        }
    }),
    Object.defineProperties(Fd.prototype, {
        load: {
            value: function(e) {
                console.warn("THREE.Audio: .load has been deprecated. Use THREE.AudioLoader instead.");
                var t = this;
                return (new Ed).load(e, function(e) {
                    t.setBuffer(e)
                }),
                this
            }
        },
        startTime: {
            set: function() {
                console.warn("THREE.Audio: .startTime is now .play( delay ).")
            }
        }
    }),
    Gd.prototype.getData = function() {
        return console.warn("THREE.AudioAnalyser: .getData() is now .getFrequencyData()."),
        this.getFrequencyData()
    }
    ,
    ea.prototype.updateCubeMap = function(e, t) {
        return console.warn("THREE.CubeCamera: .updateCubeMap() is now .update()."),
        this.update(e, t)
    }
    ,
    ea.prototype.clear = function(e, t, n, i) {
        return console.warn("THREE.CubeCamera: .clear() is now .renderTarget.clear()."),
        this.renderTarget.clear(e, t, n, i)
    }
    ;
    Zd = {
        merge: function(e, t, n) {
            var i;
            console.warn("THREE.GeometryUtils: .merge() has been moved to Geometry. Use geometry.merge( geometry2, matrix, materialIndexOffset ) instead."),
            t.isMesh && (t.matrixAutoUpdate && t.updateMatrix(),
            i = t.matrix,
            t = t.geometry),
            e.merge(t, i, n)
        },
        center: function(e) {
            return console.warn("THREE.GeometryUtils: .center() has been moved to Geometry. Use geometry.center() instead."),
            e.center()
        }
    };
    bn.crossOrigin = void 0,
    bn.loadTexture = function(e, t, n, i) {
        console.warn("THREE.ImageUtils.loadTexture has been deprecated. Use THREE.TextureLoader() instead.");
        var r = new _c;
        r.setCrossOrigin(this.crossOrigin);
        i = r.load(e, n, void 0, i);
        return t && (i.mapping = t),
        i
    }
    ,
    bn.loadTextureCube = function(e, t, n, i) {
        console.warn("THREE.ImageUtils.loadTextureCube has been deprecated. Use THREE.CubeTextureLoader() instead.");
        var r = new xc;
        r.setCrossOrigin(this.crossOrigin);
        i = r.load(e, n, void 0, i);
        return t && (i.mapping = t),
        i
    }
    ,
    bn.loadCompressedTexture = function() {
        console.error("THREE.ImageUtils.loadCompressedTexture has been removed. Use THREE.DDSLoader instead.")
    }
    ,
    bn.loadCompressedTextureCube = function() {
        console.error("THREE.ImageUtils.loadCompressedTextureCube has been removed. Use THREE.DDSLoader instead.")
    }
    ;
    Jd = {
        createMultiMaterialObject: function() {
            console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")
        },
        detach: function() {
            console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")
        },
        attach: function() {
            console.error("THREE.SceneUtils has been moved to /examples/jsm/utils/SceneUtils.js")
        }
    };
    "undefined" != typeof __THREE_DEVTOOLS__ && __THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{
        detail: {
            revision: "124"
        }
    }));
    var mp = Object.freeze({
        __proto__: null,
        ACESFilmicToneMapping: 4,
        AddEquation: re,
        AddOperation: 2,
        AdditiveAnimationBlendMode: 2501,
        AdditiveBlending: ee,
        AlphaFormat: Ke,
        AlwaysDepth: _e,
        AlwaysStencilFunc: 519,
        AmbientLight: id,
        AmbientLightProbe: Md,
        AnimationClip: cc,
        AnimationLoader: yc,
        AnimationMixer: ih,
        AnimationObjectGroup: th,
        AnimationUtils: Qu,
        ArcCurve: Tc,
        ArrayCamera: ls,
        ArrowHelper: Wd,
        Audio: Fd,
        AudioAnalyser: Gd,
        AudioContext: xd,
        AudioListener: Rd,
        AudioLoader: Ed,
        AxesHelper: jh,
        AxisHelper: function(e) {
            return console.warn("THREE.AxisHelper has been renamed to THREE.AxesHelper."),
            new jh(e)
        },
        BackSide: J,
        BasicDepthPacking: 3200,
        BasicShadowMap: 0,
        BinaryTextureLoader: function(e) {
            return console.warn("THREE.BinaryTextureLoader has been renamed to THREE.DataTextureLoader."),
            new Ec(e)
        },
        Bone: Xs,
        BooleanKeyframeTrack: ic,
        BoundingBoxHelper: function(e, t) {
            return console.warn("THREE.BoundingBoxHelper has been deprecated. Creating a THREE.BoxHelper instead."),
            new Gh(e,t)
        },
        Box2: ph,
        Box3: kn,
        Box3Helper: Xd,
        BoxBufferGeometry: Wr,
        BoxGeometry: Cl,
        BoxHelper: Gh,
        BufferAttribute: nr,
        BufferGeometry: Mr,
        BufferGeometryLoader: dd,
        ByteType: Ge,
        Cache: hc,
        Camera: Kr,
        CameraHelper: Vd,
        CanvasRenderer: function() {
            console.error("THREE.CanvasRenderer has been removed")
        },
        CanvasTexture: xl,
        CatmullRomCurve3: Bc,
        CineonToneMapping: 3,
        CircleBufferGeometry: Pl,
        CircleGeometry: Dl,
        ClampToEdgeWrapping: Be,
        Clock: Cd,
        ClosedSplineCurve3: hp,
        Color: Yi,
        ColorKeyframeTrack: rc,
        CompressedTexture: bl,
        CompressedTextureLoader: wc,
        ConeBufferGeometry: Rl,
        ConeGeometry: Ll,
        CubeCamera: ea,
        CubeGeometry: Cl,
        CubeReflectionMapping: L,
        CubeRefractionMapping: R,
        CubeTexture: ta,
        CubeTextureLoader: xc,
        CubeUVReflectionMapping: z,
        CubeUVRefractionMapping: U,
        CubicBezierCurve: Ic,
        CubicBezierCurve3: Oc,
        CubicInterpolant: $u,
        CullFaceBack: j,
        CullFaceFront: W,
        CullFaceFrontBack: 3,
        CullFaceNone: V,
        Curve: Mc,
        CurvePath: jc,
        CustomBlending: ie,
        CustomToneMapping: 5,
        CylinderBufferGeometry: kl,
        CylinderGeometry: Bl,
        Cylindrical: dh,
        DataTexture: ia,
        DataTexture2DArray: Sa,
        DataTexture3D: Ca,
        DataTextureLoader: Ec,
        DataUtils: qd,
        DecrementStencilOp: 7683,
        DecrementWrapStencilOp: 34056,
        DefaultLoadingManager: fc,
        DepthFormat: rt,
        DepthStencilFormat: at,
        DepthTexture: El,
        DirectionalLight: nd,
        DirectionalLightHelper: Rh,
        DiscreteInterpolant: tc,
        DodecahedronBufferGeometry: Il,
        DodecahedronGeometry: Ol,
        DoubleSide: Y,
        DstAlphaFactor: ge,
        DstColorFactor: we,
        DynamicBufferAttribute: function(e, t) {
            return console.warn("THREE.DynamicBufferAttribute has been removed. Use new THREE.BufferAttribute().setUsage( THREE.DynamicDrawUsage ) instead."),
            new nr(e,t).setUsage(cn)
        },
        DynamicCopyUsage: 35050,
        DynamicDrawUsage: cn,
        DynamicReadUsage: 35049,
        EdgesGeometry: Hl,
        EdgesHelper: function(e, t) {
            return console.warn("THREE.EdgesHelper has been removed. Use THREE.EdgesGeometry instead."),
            new cl(new Hl(e.geometry),new tl({
                color: void 0 !== t ? t : 16777215
            }))
        },
        EllipseCurve: Ac,
        EqualDepth: Te,
        EqualStencilFunc: 514,
        EquirectangularReflectionMapping: F,
        EquirectangularRefractionMapping: I,
        Euler: ci,
        EventDispatcher: hn,
        ExtrudeBufferGeometry: uu,
        ExtrudeGeometry: du,
        Face3: Zi,
        Face4: function(e, t, n, i, r, a, o) {
            return console.warn("THREE.Face4 has been removed. A THREE.Face3 will be created instead."),
            new Zi(e,t,n,r,a,o)
        },
        FaceColors: 1,
        FileLoader: gc,
        FlatShading: 1,
        Float16BufferAttribute: cr,
        Float32Attribute: function(e, t) {
            return console.warn("THREE.Float32Attribute has been removed. Use new THREE.Float32BufferAttribute() instead."),
            new dr(e,t)
        },
        Float32BufferAttribute: dr,
        Float64Attribute: function(e, t) {
            return console.warn("THREE.Float64Attribute has been removed. Use new THREE.Float64BufferAttribute() instead."),
            new hr(e,t)
        },
        Float64BufferAttribute: hr,
        FloatType: Xe,
        Fog: vs,
        FogExp2: ms,
        Font: wd,
        FontLoader: bd,
        FrontSide: q,
        Frustum: oa,
        GLBufferAttribute: oh,
        GLSL1: "100",
        GLSL3: dn,
        GammaEncoding: 3007,
        Geometry: Sl,
        GeometryUtils: Zd,
        GreaterDepth: Ce,
        GreaterEqualDepth: Se,
        GreaterEqualStencilFunc: 518,
        GreaterStencilFunc: 516,
        GridHelper: Ph,
        Group: us,
        HalfFloatType: qe,
        HemisphereLight: Jc,
        HemisphereLightHelper: Ch,
        HemisphereLightProbe: _d,
        IcosahedronBufferGeometry: hu,
        IcosahedronGeometry: pu,
        ImageBitmapLoader: gd,
        ImageLoader: bc,
        ImageUtils: bn,
        ImmediateRenderObject: gh,
        IncrementStencilOp: 7682,
        IncrementWrapStencilOp: 34055,
        InstancedBufferAttribute: cd,
        InstancedBufferGeometry: ud,
        InstancedInterleavedBuffer: ah,
        InstancedMesh: el,
        Int16Attribute: function(e, t) {
            return console.warn("THREE.Int16Attribute has been removed. Use new THREE.Int16BufferAttribute() instead."),
            new or(e,t)
        },
        Int16BufferAttribute: or,
        Int32Attribute: function(e, t) {
            return console.warn("THREE.Int32Attribute has been removed. Use new THREE.Int32BufferAttribute() instead."),
            new lr(e,t)
        },
        Int32BufferAttribute: lr,
        Int8Attribute: function(e, t) {
            return console.warn("THREE.Int8Attribute has been removed. Use new THREE.Int8BufferAttribute() instead."),
            new ir(e,t)
        },
        Int8BufferAttribute: ir,
        IntType: je,
        InterleavedBuffer: ys,
        InterleavedBufferAttribute: xs,
        Interpolant: Ku,
        InterpolateDiscrete: Kt,
        InterpolateLinear: $t,
        InterpolateSmooth: 2302,
        InvertStencilOp: 5386,
        JSONLoader: function() {
            console.error("THREE.JSONLoader has been removed.")
        },
        KeepStencilOp: 7680,
        KeyframeTrack: nc,
        LOD: Ns,
        LatheBufferGeometry: fu,
        LatheGeometry: mu,
        Layers: pi,
        LensFlare: function() {
            console.error("THREE.LensFlare has been moved to /examples/jsm/objects/Lensflare.js")
        },
        LessDepth: Me,
        LessEqualDepth: Ae,
        LessEqualStencilFunc: 515,
        LessStencilFunc: 513,
        Light: qc,
        LightProbe: od,
        Line: sl,
        Line3: vh,
        LineBasicMaterial: tl,
        LineCurve: zc,
        LineCurve3: Nc,
        LineDashedMaterial: Yu,
        LineLoop: dl,
        LinePieces: 1,
        LineSegments: cl,
        LineStrip: 0,
        LinearEncoding: rn,
        LinearFilter: Oe,
        LinearInterpolant: ec,
        LinearMipMapLinearFilter: G,
        LinearMipMapNearestFilter: 1007,
        LinearMipmapLinearFilter: Ne,
        LinearMipmapNearestFilter: ze,
        LinearToneMapping: 1,
        Loader: mc,
        LoaderUtils: ld,
        LoadingManager: pc,
        LogLuvEncoding: 3003,
        LoopOnce: 2200,
        LoopPingPong: 2202,
        LoopRepeat: 2201,
        LuminanceAlphaFormat: nt,
        LuminanceFormat: tt,
        MOUSE: C,
        Material: Ki,
        MaterialLoader: sd,
        Math: gn,
        MathUtils: gn,
        Matrix3: wn,
        Matrix4: ni,
        MaxEquation: ce,
        Mesh: Hr,
        MeshBasicMaterial: $i,
        MeshDepthMaterial: es,
        MeshDistanceMaterial: ts,
        MeshFaceMaterial: function(e) {
            return console.warn("THREE.MeshFaceMaterial has been removed. Use an Array instead."),
            e
        },
        MeshLambertMaterial: qu,
        MeshMatcapMaterial: Ju,
        MeshNormalMaterial: Xu,
        MeshPhongMaterial: ju,
        MeshPhysicalMaterial: Vu,
        MeshStandardMaterial: Hu,
        MeshToonMaterial: Wu,
        MinEquation: se,
        MirroredRepeatWrapping: Le,
        MixOperation: 1,
        MultiMaterial: function() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [];
            return console.warn("THREE.MultiMaterial has been removed. Use an Array instead."),
            e.isMultiMaterial = !0,
            (e.materials = e).clone = function() {
                return e.slice()
            }
            ,
            e
        },
        MultiplyBlending: ne,
        MultiplyOperation: k,
        NearestFilter: Re,
        NearestMipMapLinearFilter: 1005,
        NearestMipMapNearestFilter: 1004,
        NearestMipmapLinearFilter: Ie,
        NearestMipmapNearestFilter: Fe,
        NeverDepth: Ee,
        NeverStencilFunc: 512,
        NoBlending: Z,
        NoColors: 0,
        NoToneMapping: De,
        NormalAnimationBlendMode: 2500,
        NormalBlending: K,
        NotEqualDepth: Pe,
        NotEqualStencilFunc: 517,
        NumberKeyframeTrack: ac,
        Object3D: Si,
        ObjectLoader: pd,
        ObjectSpaceNormalMap: ln,
        OctahedronBufferGeometry: vu,
        OctahedronGeometry: gu,
        OneFactor: he,
        OneMinusDstAlphaFactor: ye,
        OneMinusDstColorFactor: be,
        OneMinusSrcAlphaFactor: ve,
        OneMinusSrcColorFactor: fe,
        OrthographicCamera: ed,
        PCFShadowMap: P,
        PCFSoftShadowMap: 2,
        PMREMGenerator: Yd,
        ParametricBufferGeometry: yu,
        ParametricGeometry: wu,
        Particle: function(e) {
            return console.warn("THREE.Particle has been renamed to THREE.Sprite."),
            new Fs(e)
        },
        ParticleBasicMaterial: function(e) {
            return console.warn("THREE.ParticleBasicMaterial has been renamed to THREE.PointsMaterial."),
            new hl(e)
        },
        ParticleSystem: function(e, t) {
            return console.warn("THREE.ParticleSystem has been renamed to THREE.Points."),
            new gl(e,t)
        },
        ParticleSystemMaterial: function(e) {
            return console.warn("THREE.ParticleSystemMaterial has been renamed to THREE.PointsMaterial."),
            new hl(e)
        },
        Path: Wc,
        PerspectiveCamera: $r,
        Plane: ki,
        PlaneBufferGeometry: ua,
        PlaneGeometry: bu,
        PlaneHelper: Hh,
        PointCloud: dp,
        PointCloudMaterial: function(e) {
            return console.warn("THREE.PointCloudMaterial has been renamed to THREE.PointsMaterial."),
            new hl(e)
        },
        PointLight: $c,
        PointLightHelper: Mh,
        Points: gl,
        PointsMaterial: hl,
        PolarGridHelper: Dh,
        PolyhedronBufferGeometry: Fl,
        PolyhedronGeometry: xu,
        PositionalAudio: Ud,
        PropertyBinding: eh,
        PropertyMixer: Hd,
        QuadraticBezierCurve: Uc,
        QuadraticBezierCurve3: Gc,
        Quaternion: Sn,
        QuaternionKeyframeTrack: sc,
        QuaternionLinearInterpolant: oc,
        REVISION: "124",
        RGBADepthPacking: on,
        RGBAFormat: et,
        RGBAIntegerFormat: dt,
        RGBA_ASTC_10x10_Format: Rt,
        RGBA_ASTC_10x5_Format: kt,
        RGBA_ASTC_10x6_Format: Bt,
        RGBA_ASTC_10x8_Format: Lt,
        RGBA_ASTC_12x10_Format: Ft,
        RGBA_ASTC_12x12_Format: It,
        RGBA_ASTC_4x4_Format: _t,
        RGBA_ASTC_5x4_Format: Mt,
        RGBA_ASTC_5x5_Format: At,
        RGBA_ASTC_6x5_Format: Tt,
        RGBA_ASTC_6x6_Format: St,
        RGBA_ASTC_8x5_Format: Ct,
        RGBA_ASTC_8x6_Format: Pt,
        RGBA_ASTC_8x8_Format: Dt,
        RGBA_BPTC_Format: Ot,
        RGBA_ETC2_EAC_Format: Et,
        RGBA_PVRTC_2BPPV1_Format: wt,
        RGBA_PVRTC_4BPPV1_Format: yt,
        RGBA_S3TC_DXT1_Format: pt,
        RGBA_S3TC_DXT3_Format: ft,
        RGBA_S3TC_DXT5_Format: mt,
        RGBDEncoding: 3006,
        RGBEEncoding: 3002,
        RGBEFormat: it,
        RGBFormat: $e,
        RGBIntegerFormat: ct,
        RGBM16Encoding: 3005,
        RGBM7Encoding: 3004,
        RGB_ETC1_Format: bt,
        RGB_ETC2_Format: xt,
        RGB_PVRTC_2BPPV1_Format: gt,
        RGB_PVRTC_4BPPV1_Format: vt,
        RGB_S3TC_DXT1_Format: ht,
        RGFormat: lt,
        RGIntegerFormat: ut,
        RawShaderMaterial: Gu,
        Ray: ti,
        Raycaster: sh,
        RectAreaLight: rd,
        RedFormat: ot,
        RedIntegerFormat: st,
        ReinhardToneMapping: 2,
        RepeatWrapping: ke,
        ReplaceStencilOp: 7681,
        ReverseSubtractEquation: oe,
        RingBufferGeometry: Eu,
        RingGeometry: _u,
        SRGB8_ALPHA8_ASTC_10x10_Format: Yt,
        SRGB8_ALPHA8_ASTC_10x5_Format: Xt,
        SRGB8_ALPHA8_ASTC_10x6_Format: qt,
        SRGB8_ALPHA8_ASTC_10x8_Format: Jt,
        SRGB8_ALPHA8_ASTC_12x10_Format: Zt,
        SRGB8_ALPHA8_ASTC_12x12_Format: Qt,
        SRGB8_ALPHA8_ASTC_4x4_Format: zt,
        SRGB8_ALPHA8_ASTC_5x4_Format: Nt,
        SRGB8_ALPHA8_ASTC_5x5_Format: Ut,
        SRGB8_ALPHA8_ASTC_6x5_Format: Gt,
        SRGB8_ALPHA8_ASTC_6x6_Format: Ht,
        SRGB8_ALPHA8_ASTC_8x5_Format: Vt,
        SRGB8_ALPHA8_ASTC_8x6_Format: jt,
        SRGB8_ALPHA8_ASTC_8x8_Format: Wt,
        Scene: gs,
        SceneUtils: Jd,
        ShaderChunk: ca,
        ShaderLib: ha,
        ShaderMaterial: Qr,
        ShadowMaterial: Uu,
        Shape: Xc,
        ShapeBufferGeometry: Mu,
        ShapeGeometry: Au,
        ShapePath: yd,
        ShapeUtils: ou,
        ShortType: He,
        Skeleton: Ys,
        SkeletonHelper: _h,
        SkinnedMesh: Ws,
        SmoothShading: 2,
        Sphere: qn,
        SphereBufferGeometry: Tu,
        SphereGeometry: Su,
        Spherical: ch,
        SphericalHarmonics3: ad,
        Spline: fp,
        SplineCurve: Hc,
        SplineCurve3: pp,
        SpotLight: Qc,
        SpotLightHelper: wh,
        Sprite: Fs,
        SpriteMaterial: Es,
        SrcAlphaFactor: me,
        SrcAlphaSaturateFactor: xe,
        SrcColorFactor: pe,
        StaticCopyUsage: 35046,
        StaticDrawUsage: un,
        StaticReadUsage: 35045,
        StereoCamera: Sd,
        StreamCopyUsage: 35042,
        StreamDrawUsage: 35040,
        StreamReadUsage: 35041,
        StringKeyframeTrack: lc,
        SubtractEquation: ae,
        SubtractiveBlending: te,
        TOUCH: {
            ROTATE: 0,
            PAN: 1,
            DOLLY_PAN: 2,
            DOLLY_ROTATE: 3
        },
        TangentSpaceNormalMap: sn,
        TetrahedronBufferGeometry: Cu,
        TetrahedronGeometry: Pu,
        TextBufferGeometry: Du,
        TextGeometry: ku,
        Texture: En,
        TextureLoader: _c,
        TorusBufferGeometry: Bu,
        TorusGeometry: Lu,
        TorusKnotBufferGeometry: Ru,
        TorusKnotGeometry: Fu,
        Triangle: Hi,
        TriangleFanDrawMode: 2,
        TriangleStripDrawMode: 1,
        TrianglesDrawMode: 0,
        TubeBufferGeometry: Iu,
        TubeGeometry: Ou,
        UVMapping: 300,
        Uint16Attribute: function(e, t) {
            return console.warn("THREE.Uint16Attribute has been removed. Use new THREE.Uint16BufferAttribute() instead."),
            new sr(e,t)
        },
        Uint16BufferAttribute: sr,
        Uint32Attribute: function(e, t) {
            return console.warn("THREE.Uint32Attribute has been removed. Use new THREE.Uint32BufferAttribute() instead."),
            new ur(e,t)
        },
        Uint32BufferAttribute: ur,
        Uint8Attribute: function(e, t) {
            return console.warn("THREE.Uint8Attribute has been removed. Use new THREE.Uint8BufferAttribute() instead."),
            new rr(e,t)
        },
        Uint8BufferAttribute: rr,
        Uint8ClampedAttribute: function(e, t) {
            return console.warn("THREE.Uint8ClampedAttribute has been removed. Use new THREE.Uint8ClampedBufferAttribute() instead."),
            new ar(e,t)
        },
        Uint8ClampedBufferAttribute: ar,
        Uniform: rh,
        UniformsLib: da,
        UniformsUtils: Jr,
        UnsignedByteType: Ue,
        UnsignedInt248Type: Qe,
        UnsignedIntType: We,
        UnsignedShort4444Type: Je,
        UnsignedShort5551Type: Ye,
        UnsignedShort565Type: Ze,
        UnsignedShortType: Ve,
        VSMShadowMap: D,
        Vector2: yn,
        Vector3: Cn,
        Vector4: Mn,
        VectorKeyframeTrack: uc,
        Vertex: function(e, t, n) {
            return console.warn("THREE.Vertex has been removed. Use THREE.Vector3 instead."),
            new Cn(e,t,n)
        },
        VertexColors: 2,
        VideoTexture: wl,
        WebGL1Renderer: fs,
        WebGLCubeRenderTarget: na,
        WebGLMultisampleRenderTarget: Tn,
        WebGLRenderTarget: An,
        WebGLRenderTargetCube: function(e, t, n) {
            return console.warn("THREE.WebGLRenderTargetCube( width, height, options ) is now WebGLCubeRenderTarget( size, options )."),
            new na(e,n)
        },
        WebGLRenderer: ps,
        WebGLUtils: ss,
        WireframeGeometry: zu,
        WireframeHelper: function(e, t) {
            return console.warn("THREE.WireframeHelper has been removed. Use THREE.WireframeGeometry instead."),
            new cl(new zu(e.geometry),new tl({
                color: void 0 !== t ? t : 16777215
            }))
        },
        WrapAroundEnding: nn,
        XHRLoader: function(e) {
            return console.warn("THREE.XHRLoader has been renamed to THREE.FileLoader."),
            new gc(e)
        },
        ZeroCurvatureEnding: en,
        ZeroFactor: de,
        ZeroSlopeEnding: tn,
        ZeroStencilOp: 0,
        sRGBEncoding: an
    })
      , vp = []
      , gp = []
      , yp = []
      , wp = .1
      , bp = function(t, e) {
        var n;
        return "string" == typeof t || "number" == typeof t ? n = vp.find(function(e) {
            return e.ids.includes(t)
        }) : (n = vp.find(function(e) {
            return Up.closeTo(e.x, t.x, wp) && Up.closeTo(e.y, t.y, wp)
        })) ? n.addPoint(t.id) : n = new xp(t.x,t.y,{
            record: !0,
            id: t.id
        },e),
        n || console.log("no point!"),
        n
    }
      , xp = function() {
        y(r, yn);
        var i = w(r);
        function r(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {};
            return O(this, r),
            t = i.call(this, e, t),
            n.record && (t.id = n.id,
            null == t.id && (t.id = "add_" + vp.length),
            t.ids = [t.id],
            vp.push(g(t))),
            t.type = n.type || "",
            t.lines = [],
            t
        }
        return h(r, [{
            key: "addPoint",
            value: function(e) {
                this.ids.push(e)
            }
        }, {
            key: "searchLineByFactor",
            value: function(i, r, t) {
                var a, o = this, e = this.lines.filter(function(e) {
                    return e.searchTime < 2
                });
                if (0 != e.length)
                    return 1 == e.length || 1 == (e = e.filter(function(e) {
                        return e != t
                    })).length ? e[0] : (e.forEach(function(e) {
                        var t = e.getVector();
                        e.points[1] == o && t.negate();
                        var n = Up.getVec2Angle(i, t);
                        new Cn(i.x,i.y,0).cross(new Cn(t.x,t.y,0)).z < 0 && (n *= -1),
                        (!a || "min" == r && n < a.factor || "max" == r && n > a.factor) && (a = {
                            line: e,
                            factor: n
                        })
                    }),
                    a.line)
            }
        }]),
        r
    }()
      , Ep = 0
      , _p = function() {
        function a(t) {
            var n = this;
            if (O(this, a),
            t.points[0] != t.points[1]) {
                if (this.points = t.points,
                this.type = t.type || "line",
                "line" == this.type) {
                    var e = gp.find(function(e) {
                        return e.points.includes(t.points[0]) && e.points.includes(t.points[1])
                    });
                    if (e)
                        return null != t.id && e.ids.push(t.id),
                        e;
                    this.id = null == t.id ? "line" + Ep++ : t.id,
                    this.ids = [this.id],
                    t.dontWriteToPoint || this.points.forEach(function(e) {
                        e.lines.push(n)
                    }),
                    t.isChild || gp.push(this),
                    this.searchTime = 0
                }
                this.children = [],
                this.parents = [],
                this.match = []
            }
        }
        return h(a, [{
            key: "getAngleInfo",
            value: function() {
                var e, t = (e = this.points,
                (t = {}).angle = e[1].clone().sub(e[0]).angle(),
                Up.closeTo(t.angle, 2 * Math.PI) ? t.angle -= 2 * Math.PI : (t.angle > Math.PI || Up.closeTo(t.angle, Math.PI)) && (t.angle -= Math.PI,
                t.reverse = !0),
                t);
                this.angle = t.angle,
                this.reverse = t.reverse
            }
        }, {
            key: "getIntersectWithLine",
            value: function(e, t) {
                var n = this
                  , i = e.points.find(function(e) {
                    return n.points.includes(e)
                });
                if (i)
                    return {
                        point: i,
                        type: "joint"
                    };
                t = Up.isLineIntersect(e.points, this.points, !1, t);
                return t ? {
                    point: t,
                    type: "intersect"
                } : void 0
            }
        }, {
            key: "writeToPoint",
            value: function() {
                var t = this;
                this.points.forEach(function(e) {
                    e.lines.includes(t) || e.lines.push(t)
                })
            }
        }, {
            key: "checkIfParent",
            value: function(t) {
                return this == t || this.parents.find(function(e) {
                    return e.checkIfParent(t)
                })
            }
        }, {
            key: "splitByPoint",
            value: function(e) {
                var t = this
                  , n = new a({
                    points: [e, this.points[0]],
                    dontWriteToPoint: !0,
                    hasntsure: !0
                })
                  , i = new a({
                    points: [e, this.points[1]],
                    dontWriteToPoint: !0,
                    hasntsure: !0
                });
                if (n.points && i.points) {
                    if (!(this.checkIfParent(n) || this.checkIfParent(i) || n.checkIfParent(this) || i.checkIfParent(this))) {
                        var e = function(e) {
                            t.children.push(e),
                            e.parents.push(t),
                            gp.includes(e) || gp.push(e),
                            e.writeToPoint()
                        };
                        e(n),
                        e(i);
                        e = this.points[0].lines.indexOf(this);
                        return -1 < e && this.points[0].lines.splice(e, 1),
                        -1 < (e = this.points[1].lines.indexOf(this)) && this.points[1].lines.splice(e, 1),
                        [n, i]
                    }
                    console.warn("splitByPoint 发现parent和children一样")
                } else
                    console.warn("splitByPoint 线有点相同")
            }
        }, {
            key: "splitByPoints",
            value: function(n) {
                var i = this;
                (n = n.map(function(e) {
                    return {
                        dis: e.distanceTo(i.points[0]),
                        point: e
                    }
                })).sort(function(e, t) {
                    return e.dis - t.dis
                });
                var r = [];
                n.forEach(function(e, t) {
                    t = new a({
                        points: [e.point, 0 == t ? i.points[0] : n[t - 1].point],
                        group: i.group,
                        dontWriteToPoint: !0,
                        hasntsure: !0
                    });
                    r.push(t)
                });
                var e = new a({
                    points: [n[n.length - 1].point, this.points[1]],
                    group: this.group,
                    dontWriteToPoint: !0,
                    hasntsure: !0
                });
                r.push(e),
                r.find(function(e) {
                    return !e.points || i.checkIfParent(e) || e.checkIfParent(i)
                }) ? console.error("splitByPoints  return") : (r.forEach(function(e) {
                    i.children.push(e),
                    e.parents.push(i),
                    gp.includes(e) || gp.push(e),
                    e.writeToPoint(),
                    e.writeToPoint()
                }),
                -1 < (e = this.points[0].lines.indexOf(this)) && this.points[0].lines.splice(e, 1),
                -1 < (e = this.points[1].lines.indexOf(this)) && this.points[1].lines.splice(e, 1))
            }
        }, {
            key: "getAllSlices",
            value: function() {
                var n = [];
                return function e(t) {
                    0 == t.children.length ? n.push(t) : t.children.forEach(e)
                }(this),
                n
            }
        }, {
            key: "getVector",
            value: function() {
                return this.points[1].clone().sub(this.points[0])
            }
        }, {
            key: "getLength",
            value: function() {
                return this.points[0].distanceTo(this.points[1])
            }
        }, {
            key: "getCenter",
            value: function() {
                return this.points[1].clone().add(this.points[0]).multiplyScalar(.5)
            }
        }]),
        a
    }()
      , Mp = function(t, n) {
        var e = t.filter(function(e) {
            return !n.includes(e)
        })
          , i = n.filter(function(e) {
            return !t.includes(e)
        });
        return e.concat(i)
    };
    function Ap(t, n) {
        return gp.find(function(e) {
            return e.points.includes(t) && e.points.includes(n)
        })
    }
    function Tp(e, t) {
        if (e instanceof Cp && (e = e.points),
        t instanceof Cp && (t = t.points),
        e.length != t.length)
            return !1;
        if (e.lines && t.lines) {
            if (0 == Mp(e.lines, t.lines).length)
                return !0
        } else if (Pp(e, t))
            return !0
    }
    var Sp = 0
      , Cp = h(function e(t) {
        O(this, e),
        this.id = Sp++,
        this.type = t.type || "normal",
        this.points = t.points,
        this.lines = t.lines,
        yp.push(this),
        this.child = [],
        this.parent = [],
        this.smallNeibours = [];
        t = Up.getArea(this.points);
        this.area = Math.abs(t),
        this.isClockwise = t < 0
    })
      , Pp = function(e, t) {
        for (var n, i, r = [], a = 0, o = e.length; a < o; a++)
            -1 < t.indexOf(e[a]) && r.push(e[a]);
        for (var s = 0, l = t.length; s < l; s++) {
            var u = r.indexOf(t[s]);
            if (-1 == u)
                return !1;
            if (0 == s)
                i = u;
            else if (1 == s) {
                if ((n = u - i) == l - 1 ? n = -1 : n == 1 - l && (n = 1),
                -1 != n && 1 != n)
                    return !1
            } else if (u != (i + n * s + l) % l)
                return !1
        }
        return {
            sameAxis: 0 < n
        }
    }
      , Dp = function e(t, n, i) {
        if (0 == n.children.length) {
            if (Up.ifPointAtLineBound(t, n.points, i))
                return n
        } else
            for (var r = 0; r < n.children.length; r++) {
                var a = e(t, n.children[r], i);
                if (a)
                    return a
            }
    };
    function kp() {
        var e, c = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
        vp = [],
        gp = [],
        yp = [],
        Ep = Sp = 0,
        c.points = c.points || [],
        c.lines = c.lines || [],
        (u = c).points.forEach(function(e) {
            Np.expandByPoint(new yn(e.x,e.y))
        }),
        wp = null != u.precision ? u.precision : (e = Np.getSize(new yn),
        gn.clamp(Math.max(e.x, e.y) / 70, .2, 2)),
        u.points.forEach(function(e) {
            return bp(e)
        }),
        u.lines.forEach(function(e) {
            new _p({
                points: [bp(e.p1), bp(e.p2)],
                id: e.id
            })
        }),
        c.dontSliceLines || function() {
            for (var e = gp.length, t = function n(e, t) {
                if (e != t) {
                    null == e.angle && e.getAngleInfo(),
                    null == t.angle && t.getAngleInfo();
                    var i = e.getIntersectWithLine(t, wp);
                    if (i)
                        if ("intersect" == i.type) {
                            var r = bp(i.point, "whenGetSliceLines")
                              , a = Dp(r, e)
                              , o = Dp(r, t);
                            if (a = (a = a || Dp(r, e, wp)) || Dp(r, e, 2 * wp),
                            o = (o = o || Dp(r, t, wp)) || Dp(r, t, 2 * wp),
                            !a || !o)
                                return console.warn("atWhichChildLine仍旧找不到 :" + e.id + "," + t.id + ", pointId: " + r.id),
                                a || console.warn("找不到line1"),
                                void (o || console.warn("找不到line2"));
                            a.points.find(function(e) {
                                return e == r
                            }) && o.points.find(function(e) {
                                return e == r
                            }) || (a.points.find(function(e) {
                                return e == r
                            }) ? o.splitByPoint(r) : o.points.find(function(e) {
                                return e == r
                            }) ? a.splitByPoint(r) : (a.splitByPoint(r),
                            o.splitByPoint(r)))
                        } else
                            r = i.point,
                            Up.closeTo(e.angle, t.angle) && (l = e.getAllSlices(),
                            u = t.getAllSlices(),
                            1 < l.length || 1 < u.length ? l.forEach(function(t) {
                                u.forEach(function(e) {
                                    n(t, e)
                                })
                            }) : (s = e.points.find(function(e) {
                                return e != r
                            }),
                            c = t.points.find(function(e) {
                                return e != r
                            }),
                            Up.ifPointAtLineBound(s, t.points) ? t.splitByPoint(s) : Up.ifPointAtLineBound(c, e.points) && e.splitByPoint(c)));
                    else if (Up.closeTo(e.angle, t.angle)) {
                        var o = e.getVector()
                          , i = e.points[0].clone().sub(t.points[0])
                          , s = Up.getVec2Cos(o, i);
                        if (Up.closeTo(s, -1, 1e-4) || Up.closeTo(s, 1, 1e-4)) {
                            var l = e.getAllSlices()
                              , u = t.getAllSlices();
                            if (1 < l.length || 1 < u.length)
                                l.forEach(function(t) {
                                    u.forEach(function(e) {
                                        n(t, e)
                                    })
                                });
                            else {
                                var c = e.points[0]
                                  , o = e.reverse == t.reverse ? t.points[0] : t.points[1]
                                  , i = e.points[1]
                                  , s = e.reverse == t.reverse ? t.points[1] : t.points[0]
                                  , l = o.clone().sub(i)
                                  , o = s.clone().sub(c);
                                if (l.length() < o.length()) {
                                    s = c.clone().sub(i);
                                    if (1.57 <= Up.getVec2Angle(l, s))
                                        return
                                } else {
                                    var d = i.clone().sub(c);
                                    if (1.57 <= Up.getVec2Angle(o, d))
                                        return
                                }
                                d = function(e, t) {
                                    var n = Up.ifPointAtLineBound(e.points[0], t.points)
                                      , i = Up.ifPointAtLineBound(e.points[1], t.points);
                                    if (n && i)
                                        return t.splitByPoints(e.points),
                                        !0;
                                    if (n || i) {
                                        i = n ? e.points[0] : e.points[1],
                                        n = n ? e.points[1] : e.points[0],
                                        n = t.points[0].distanceTo(n) < t.points[1].distanceTo(n) ? t.points[0] : t.points[1];
                                        return e.splitByPoint(n),
                                        t.splitByPoint(i),
                                        !0
                                    }
                                }
                                ;
                                d(e, t) || d(t, e)
                            }
                        }
                    }
                }
            }, n = 0; n < e; n++)
                for (var i = gp[n], r = n + 1; r < e; r++)
                    t(i, gp[r])
        }();
        for (var n = function e(t, n, i, r) {
            if (s = i.includes("big") ? n ? (a = n.points[n.points.length - 1],
            o = t.clone().sub(a),
            t.searchLineByFactor(o, "min", Ap(t, a))) : (o = i.includes("Left") ? new yn(1,0) : new yn(-1,0),
            t.searchLineByFactor(o, "min")) : n ? (a = n.points[n.points.length - 1],
            o = t.clone().sub(a),
            t.searchLineByFactor(o, "max", Ap(t, a))) : (o = new yn(1,0),
            t.searchLineByFactor(o, "min"))) {
                s.searchTime++,
                r.includes(s) || r.push(s);
                var a = s.points.find(function(e) {
                    return t != e
                })
                  , o = n ? n.points.concat([t]) : [t]
                  , s = n ? n.lines.concat([s]) : [s];
                return a == o[0] ? function(t, e, n) {
                    if (!c.onlyGetOutRing || "small" != n) {
                        if ("small" != n && !c.onlyGetOutRing)
                            return t;
                        for (var i = []; t.length; ) {
                            for (var r = [], a = !1, o = 0; o < t.length; o++) {
                                if (r.includes(t[o])) {
                                    var s = r.indexOf(t[o])
                                      , l = t.slice(s, o)
                                      , u = e.slice(s, o);
                                    t.splice(s, o - s),
                                    e.splice(s, o - s),
                                    2 < l.length && (yp.find(function(e) {
                                        return Tp(l, e)
                                    }) || i.push(new Cp({
                                        points: l,
                                        lines: u
                                    }))),
                                    a = !0;
                                    break
                                }
                                r.push(t[o]),
                                a = !1
                            }
                            if (!a) {
                                2 < t.length && (yp.find(function(e) {
                                    return Tp(t, e)
                                }) || i.push(new Cp({
                                    points: t,
                                    lines: e
                                })));
                                break
                            }
                        }
                        "small" != n && i.forEach(function(e) {
                            return e.isOutRing = !0
                        })
                    }
                }(o, s, i) : e(a, {
                    lines: s,
                    points: o
                }, i, r)
            }
        }; ; ) {
            var i = []
              , r = null;
            if (vp.forEach(function(e) {
                e.lines.find(function(e) {
                    return e.searchTime < 2
                }) && (!r || e.x < r.x) && (r = e)
            }),
            !r)
                break;
            n(r, null, "bigLeft", i);
            for (i = i.filter(function(e) {
                return e.searchTime < 2
            }); 0 < i.length; )
                if ("break" === function() {
                    var t = [];
                    if (i.forEach(function(e) {
                        return e.points.forEach(function(e) {
                            t.includes(e) || t.push(e)
                        })
                    }),
                    r = null,
                    t.forEach(function(e) {
                        e.lines.find(function(e) {
                            return e.searchTime < 2
                        }) && (!r || e.x < r.x) && (r = e)
                    }),
                    !r)
                        return "break";
                    n(r, null, "small", i),
                    i = i.filter(function(e) {
                        return e.searchTime < 2
                    })
                }())
                    break
        }
        for (var o = yp.length, t = 0; t < o; t++)
            for (var a = yp[t], s = t + 1; s < o; s++) {
                var l = yp[s];
                (function(e, t) {
                    return e.filter(function(e) {
                        return t.includes(e)
                    })
                }
                )(a.lines, l.lines).length && (a.smallNeibours.push(l),
                l.smallNeibours.push(a))
            }
        yp.forEach(function(e) {
            for (var t = 0; t < o; t++) {
                var n = yp[t];
                if (e != n && !e.smallNeibours.includes(n)) {
                    for (var i = void 0, r = 0; r < e.points.length && (i = Up.isPointInArea(n.points, null, e.points[r])) && i.atLine; r++)
                        ;
                    if (i) {
                        if (i.atLine) {
                            var a = Up.getCenterOfGravityPoint(e.points);
                            if (!Up.isPointInArea(n.points, null, a))
                                continue
                        }
                        n.child.push(e),
                        e.parent.push(n)
                    }
                }
            }
        });
        var u = yp.filter(function(e) {
            return !e.isClockwise
        });
        return 0 < u.length && u.forEach(function(n) {
            var e, i;
            0 < n.smallNeibours.length && (Mp(n.lines, (e = n.smallNeibours.concat(n.child).map(function(e) {
                return e.lines
            }),
            i = [],
            e.forEach(function(e) {
                e.forEach(function(e) {
                    var t = i.indexOf(e);
                    -1 < t ? i.splice(t, 1) : i.push(e)
                })
            }),
            i)).every(function(t) {
                return n.child.find(function(e) {
                    return e.lines.includes(t)
                })
            }) && (console.log("%c删除非最小环 ring" + n.id, "color:#00f"),
            console.log(n),
            yp.splice(yp.indexOf(n), 1),
            n.child.forEach(function(e) {
                var t = e.parent.indexOf(n);
                -1 < t && e.parent.splice(t, 1)
            }),
            n.parent.forEach(function(e) {
                var t = e.child.indexOf(n);
                -1 < t && e.child.splice(t, 1)
            }),
            n.smallNeibours.forEach(function(e) {
                var t = e.smallNeibours.indexOf(n);
                -1 < t && e.smallNeibours.splice(t, 1)
            })))
        }),
        yp.forEach(function(t) {
            t.parent.length && (t.closetParent = t.parent.find(function(e) {
                return e.parent.length == t.parent.length - 1
            }),
            t.closetParent.closetChilds || (t.closetParent.closetChilds = []),
            t.closetParent.closetChilds.push(t))
        }),
        yp.map(function(e) {
            return {
                id: e.id,
                points: e.points.map(function(e) {
                    return {
                        id: e.ids[0],
                        x: e.x,
                        y: e.y
                    }
                }),
                area: e.area,
                closetParent: e.closetParent && e.closetParent.id,
                closetChilds: e.closetChilds && e.closetChilds.map(function(e) {
                    return e.id
                })
            }
        })
    }
    var Bp, Lp, Rp, Fp, Ip, Op, zp, Np = new ph, Up = {
        getBaseLog: function(e, t) {
            return Math.log(t) / Math.log(e)
        },
        convertVector: {
            ZupToYup: function(e) {
                return new Cn(e.x,e.z,-e.y)
            },
            YupToZup: function(e) {
                return new Cn(e.x,-e.z,e.y)
            }
        },
        convertQuaternion: {
            ZupToYup: function(e) {
                var t = new ci(-Math.PI / 2,0,0)
                  , t = (new Sn).setFromEuler(t);
                return e.clone().premultiply(t)
            },
            YupToZup: function(e) {
                var t = new ci(Math.PI / 2,0,0)
                  , t = (new Sn).setFromEuler(t);
                return e.clone().premultiply(t)
            }
        },
        convertVisionQuaternion: function(e) {
            return new Sn(e.x,e.z,-e.y,e.w).multiply((new Sn).setFromAxisAngle(new Cn(0,1,0), gn.degToRad(90)))
        },
        invertVisionQuaternion: function(e) {
            e = e.clone().multiply((new Sn).setFromAxisAngle(new Cn(0,1,0), gn.degToRad(-90)));
            return new Sn(e.x,-e.z,e.y,e.w)
        },
        getVec2Angle: function(e, t) {
            return Math.acos(gn.clamp(this.getVec2Cos(e, t), -1, 1))
        },
        getVec2Cos: function(e, t) {
            return e.dot(t) / e.length() / t.length()
        },
        getAngle: function(e, t, n) {
            var i = e.angleTo(t);
            return e.clone().cross(t)[n] < 0 && (i *= -1),
            i
        },
        closeTo: function(t, n) {
            function i(e, t) {
                return Math.abs(e - t) < r
            }
            var r = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1e-6;
            if ("number" == typeof t)
                return i(t, n);
            function e(e) {
                return null == t[e] || i(t[e], n[e])
            }
            return e("x") && e("y") && e("z") && e("w")
        },
        toPrecision: function(e, t) {
            function n(e, t) {
                return t = Math.pow(10, t),
                Math.round(e * t) / t
            }
            if (e instanceof Array) {
                for (var i = 0; i < e.length; i++)
                    e[i] = n(e[i], t);
                return e
            }
            if (e instanceof Object) {
                for (var i in e)
                    e[i] = n(e[i], t);
                return e
            }
            return n(e, t)
        },
        isEmptyQuaternion: function(e) {
            return 0 === Math.abs(e.x) && 0 === Math.abs(e.y) && 0 === Math.abs(e.z) && 0 === Math.abs(e.w)
        },
        projectPositionToCanvas: function(e, t, n) {
            (n = n || new Cn).copy(e);
            var i = .5 * $("#player").width()
              , e = .5 * $("#player").height();
            return n.project(t),
            n.x = n.x * i + i,
            n.y = -n.y * e + e,
            n
        },
        handelPadResize: !1,
        getOffset: function(e, t, n) {
            var i = "left" == e ? t.offsetLeft : t.offsetTop;
            for (n = n || $("body")[0]; (t = t.offsetParent) && t != n; )
                i += "left" == e ? t.offsetLeft : t.offsetTop;
            return i
        },
        constrainedTurn: function(e) {
            e %= 2 * Math.PI;
            return e > Math.PI ? e - 2 * Math.PI : e < -Math.PI ? e + 2 * Math.PI : e
        },
        getFOVDotThreshold: function(e) {
            return Math.cos(gn.degToRad(e / 2))
        },
        transform2DForwardVectorByCubeFace: function(e, t, n, i) {
            switch (e) {
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_POSITIVE_X:
                n.set(1, t.y, t.x);
                break;
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
                n.set(-1, t.y, -t.x);
                break;
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
                n.set(-t.x, 1, -t.y);
                break;
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
                n.set(-t.x, -1, t.y);
                break;
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
                n.set(-t.x, t.y, 1);
                break;
            case GLCubeFaces.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
                n.set(t.x, t.y, -1)
            }
            i && n.normalize()
        },
        getFootPoint: function(e, t, n, i) {
            if (t.equals(n))
                return t.clone();
            var r = e.clone().sub(t)
              , a = t.clone().sub(n)
              , e = a.length()
              , r = r.dot(a) / e
              , e = t.clone().add(a.multiplyScalar(r / e));
            return e = i && 0 < e.clone().sub(t).dot(e.clone().sub(n)) ? (e.distanceTo(t) < e.distanceTo(n) ? t : n).clone() : e
        },
        getCenterOfGravityPoint: function(e) {
            for (var t = 0, n = 0, i = 0, r = 1; r <= e.length; r++) {
                var a = e[r % e.length].x
                  , o = e[r % e.length].y
                  , s = e[r - 1].x
                  , l = e[r - 1].y
                  , u = (a * l - o * s) / 2;
                t += u,
                n += u * (a + s) / 3,
                i += u * (o + l) / 3
            }
            return {
                x: n /= t,
                y: i /= t
            }
        },
        getBound: function(e) {
            for (var t = new ph, n = 0, i = e.length; n < i; n++)
                t.expandByPoint(e[n]);
            return t
        },
        isPointInArea: function(e, t, n, i) {
            var r = this
              , a = this.getBound(e);
            if (n.x < a.min.x || n.x > a.max.x || n.y < a.min.y || n.y > a.max.y)
                return !1;
            for (var o = !1, s = n.x, l = n.y, u = 0, c = e.length - 1; u < e.length; c = u++) {
                var d = e[u].x
                  , h = e[u].y
                  , p = e[c].x
                  , f = e[c].y;
                if ((d - s) * (f - l) == (d - s) * (h - l) && s >= Math.min(d, p) && s <= Math.max(d, p) && l >= Math.min(h, f) && l <= Math.max(h, f))
                    return {
                        atLine: !0
                    };
                l < h != l < f && s < (p - d) * (l - h) / (f - h) + d && (o = !o)
            }
            return o && t ? !t.some(function(e) {
                return r.isPointInArea(e, null, n, i)
            }) : o
        },
        getArea: function(e) {
            for (var t = e.length, n = 0, i = t - 1, r = 0; r < t; i = r++)
                n += e[i].x * e[r].y - e[r].x * e[i].y;
            return -.5 * n
        },
        isInBetween: function(e, t, n, i) {
            return e <= t && t <= n || n <= t && t <= e || this.closeTo(e, t, i) || this.closeTo(t, n, i)
        },
        ifPointAtLineBound: function(e, t, n) {
            return Up.isInBetween(t[0].x, e.x, t[1].x, n) && Up.isInBetween(t[0].y, e.y, t[1].y, n)
        },
        isLineIntersect: function(e, t, n, i) {
            var r = e[1].y - e[0].y
              , a = e[0].x - e[1].x
              , o = r * e[0].x + a * e[0].y
              , s = t[1].y - t[0].y
              , l = t[0].x - t[1].x
              , u = s * t[0].x + l * t[0].y
              , c = r * l - s * a;
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                return !1;
            a = (l * o - a * u) / c,
            c = (r * u - s * o) / c;
            return n || Up.ifPointAtLineBound({
                x: a,
                y: c
            }, e, i) && Up.ifPointAtLineBound({
                x: a,
                y: c
            }, t, i) ? {
                x: a,
                y: c
            } : void 0
        },
        getNormal2d: function() {
            var e, t, n, i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, r = i.vec ? (n = i.vec.x,
            i.vec.y) : (n = i.p1.x - i.p2.x,
            i.p1.y - i.p2.y);
            if (0 != r)
                t = -n * (e = 1) / r;
            else {
                if (0 == n)
                    return console.log("两个点一样"),
                    null;
                e = -r * (t = 1) / n
            }
            i = new Cn(e,0,t),
            r = new Cn(n,0,r);
            return 0 < i.cross(r).y && (e *= -1,
            t *= -1),
            new yn(e,t).normalize()
        },
        getQuaBetween2Vector: function(e, t, n) {
            var i = e.angleTo(t)
              , t = e.clone().cross(t).normalize();
            return 0 == t.length() ? (new Sn).setFromAxisAngle(n, i) : (new Sn).setFromAxisAngle(t, i)
        },
        getScaleForConstantSize: (Lp = new Cn,
        Rp = new Cn,
        Fp = new Cn,
        Ip = new Cn,
        Op = new Cn,
        function() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return Bp = t.width2d || (e = "OrthographicCamera" == t.camera.type ? 200 / t.camera.zoom : t.position.distanceTo(t.camera.position),
            t.maxSize - (t.maxSize - t.minSize) * gn.smoothstep(e, t.nearBound, t.farBound)),
            Lp.copy(t.position).project(t.camera),
            Rp.set(t.resolution.x / 2, t.resolution.y / 2, 1).multiply(Lp),
            Fp.set(Bp / 2, 0, 0).add(Rp),
            Ip.set(2 / t.resolution.x, 2 / t.resolution.y, 1).multiply(Fp),
            Op.copy(Ip).unproject(t.camera),
            Op.distanceTo(t.position)
        }
        ),
        getCrossPointAtRect: function(e, t, n, i, r, a) {
            var o = (t.x - e.x) / (t.y - e.y)
              , n = t.x >= e.x ? n + r : r
              , r = n;
            return ((n = 1 / o * (r - e.x) + e.y) < a || a + i < n) && (r = o * ((n = n < a ? a : a + i) - e.y) + e.x),
            new yn(r,n)
        },
        getDirFromUV: function(e) {
            var t = Math.cos(e.y * Math.PI)
              , n = 2 * Math.PI * e.x - Math.PI
              , i = (Math.PI,
            -Math.PI / 2 <= n && n < Math.PI / 2 ? 1 : -1)
              , e = Math.tan(n)
              , n = Math.sqrt((1 - t * t) / (1 + e * e))
              , e = e * n;
            return n * i < 0 && (n *= -1,
            e *= -1),
            this.convertVector.YupToZup(new Cn(e *= -1,t,n))
        },
        getUVfromDir: function(e) {
            (e = this.convertVector.ZupToYup(e)).x *= -1;
            var t = Math.atan2(e.x, e.z) / (2 * Math.PI) + .5
              , e = Math.acos(e.y) / Math.PI;
            return new yn(t,e)
        },
        getDirByLonLat: function(e, t) {
            var n = new Cn
              , t = gn.degToRad(90 - t)
              , e = gn.degToRad(e);
            return n.x = Math.sin(t) * Math.cos(e),
            n.y = Math.cos(t),
            n.z = Math.sin(t) * Math.sin(e),
            n
        },
        projectPointAtPlane: function() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return (e = new ki).setFromCoplanarPoints.apply(e, Q(t.facePoints)).projectPoint(t.point, new Cn)
        },
        getPolygonsMixedRings: function(e, t) {
            var n = []
              , r = []
              , a = 0;
            return e.forEach(function(e) {
                return n.push.apply(n, Q(e.map(function(e) {
                    return (new yn).copy(e)
                })))
            }),
            e.forEach(function(e, t) {
                for (var n = e.length, i = 0; i < n; )
                    r.push({
                        p1: i + a,
                        p2: (i + 1) % n + a
                    }),
                    i++;
                a += n
            }),
            n.forEach(function(e, t) {
                e.id = t
            }),
            kp({
                points: n,
                lines: r,
                onlyGetOutRing: t
            }).filter(function(e) {
                return null == e.closetParent
            })
        },
        getQuaFromPosAim: function(e, t) {
            t = (new ni).lookAt(e, t, new Cn(0,0,1));
            return (new Sn).setFromRotationMatrix(t)
        },
        getBoundByPoints: function(e, t) {
            var n = new kn;
            e.forEach(function(e) {
                n.expandByPoint(e)
            });
            e = n.getCenter(new Cn);
            return t && (t = (new kn).setFromCenterAndSize(e, t),
            n.union(t)),
            {
                bounding: n,
                size: n.getSize(new Cn),
                center: e
            }
        }
    };
    Potree.math = Up,
    "performance"in window == 0 && (window.performance = {}),
    "now"in window.performance == 0 && (zp = Date.now(),
    performance.timing && performance.timing.navigationStart && (zp = performance.timing.navigationStart),
    window.performance.now = function() {
        return Date.now() - zp
    }
    );
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                if (e === Le)
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                if (e === Re)
                    return i.NEAREST;
                if (1004 === e)
                    return i.NEAREST_MIPMAP_NEAREST;
                if (1005 === e)
                    return i.NEAREST_MIPMAP_LINEAR;
                if (e === Oe)
                    return i.LINEAR;
                if (1007 === e)
                    return i.LINEAR_MIPMAP_NEAREST;
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                if (e === We)
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                if (e === Xe)
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                    if (e === ht)
                        return t.COMPRESSED_RGB_S3TC_DXT1_EXT;
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      , Hp = {
        "pointcloud.vs": '\nprecision highp float;\nprecision highp int;\n\n#define max_clip_polygons 8\n#define PI 3.141592653589793\n\n \n\n\n\n#if defined(usePanoMap) \n    \n    uniform samplerCube pano0Map;   //随便设置一个samplerCube去使用都会让点云消失\n    uniform samplerCube pano1Map;\n     \n    uniform float progress;\n    uniform float easeInOutRatio;\n\n    \n    uniform vec3 pano0Position;\n    uniform mat4 pano0Matrix; \n    uniform vec3 pano1Position;\n    uniform mat4 pano1Matrix;\n    /*\n    varying vec3 vWorldPosition0;\n    varying vec3 vWorldPosition1;\n    */\n#endif \n\n\n\n\n \n\n//--------------\n\n\n\n\n\nattribute vec3 position;\nattribute vec3 color;\nattribute float intensity;\nattribute float classification;\nattribute float returnNumber;\nattribute float numberOfReturns;\nattribute float pointSourceID;\nattribute vec4 indices;    //每个点的index\nattribute float spacing;\nattribute float gpsTime;\nattribute vec3 normal;\nattribute float aExtra;\n\nuniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat4 uViewInv;\n\n//uniform float uScreenWidth;\n//uniform float uScreenHeight;\nuniform vec2 resolution;\n\n\nuniform float fov;\nuniform float near;\nuniform float far;\n\n\n\n\nuniform bool uDebug;\n\nuniform bool uUseOrthographicCamera;\nuniform float uOrthoWidth;\nuniform float uOrthoHeight;\n\n#define CLIPTASK_NONE 0\n#define CLIPTASK_HIGHLIGHT 1\n#define CLIPTASK_SHOW_INSIDE 2\n#define CLIPTASK_SHOW_OUTSIDE 3\n\n#define CLIPMETHOD_INSIDE_ANY 0\n#define CLIPMETHOD_INSIDE_ALL 1\n\nuniform int clipTask;\nuniform int clipMethod;\n#if defined(num_clipboxes) && num_clipboxes > 0\n\tuniform mat4 clipBoxes[num_clipboxes];\n#endif\n\n#if defined(num_clipspheres) && num_clipspheres > 0\n\tuniform mat4 uClipSpheres[num_clipspheres];\n#endif\n\n#if defined(num_clippolygons) && num_clippolygons > 0\n\tuniform int uClipPolygonVCount[num_clippolygons];\n\tuniform vec3 uClipPolygonVertices[num_clippolygons * 8];\n\tuniform mat4 uClipPolygonWVP[num_clippolygons];\n#endif\n\n\nuniform float size;\nuniform float minSize;\nuniform float maxSize;\n\nuniform float uPCIndex;\nuniform float uOctreeSpacing;\nuniform float uNodeSpacing;\nuniform float uOctreeSize;\nuniform vec3 uBBSize;\nuniform float uLevel;\nuniform float uVNStart;\nuniform bool uIsLeafNode;\n\nuniform vec3 uColor;\nuniform float uOpacity; \nvarying float vOpacity; //add\n\n\n\nuniform vec2 elevationRange;\nuniform vec2 intensityRange;\n\nuniform vec2 uFilterReturnNumberRange;\nuniform vec2 uFilterNumberOfReturnsRange;\nuniform vec2 uFilterPointSourceIDClipRange;\nuniform vec2 uFilterGPSTimeClipRange;\n//uniform float ufilterByNormalThreshold;    \n\nuniform float uGpsScale;\nuniform float uGpsOffset;\n\nuniform vec2 uNormalizedGpsBufferRange;\n\nuniform vec3 uIntensity_gbc;\nuniform vec3 uRGB_gbc;\nuniform vec3 uExtra_gbc;\n\nuniform float uTransition;\nuniform float wRGB;\nuniform float wIntensity;\nuniform float wElevation;\nuniform float wClassification;\nuniform float wReturnNumber;\nuniform float wSourceID;\n\nuniform vec2 uExtraNormalizedRange;\nuniform vec2 uExtraRange;\nuniform float uExtraScale;\nuniform float uExtraOffset;\n\nuniform vec3 uShadowColor;\n\nuniform sampler2D visibleNodes;\nuniform sampler2D gradient;\nuniform sampler2D classificationLUT;\n\n#if defined(color_type_matcap)\nuniform sampler2D matcapTextureUniform;\n#endif\nuniform bool backfaceCulling;\n\n#if defined(num_shadowmaps) && num_shadowmaps > 0\nuniform sampler2D uShadowMap[num_shadowmaps];\nuniform mat4 uShadowWorldView[num_shadowmaps];\nuniform mat4 uShadowProj[num_shadowmaps];\n#endif\n\n\n\nvarying vec3\tvColor;\nvarying float\tvLogDepth;\nvarying vec3\tvViewPosition;\nvarying float \tvRadius;\nvarying float \tvPointSize;\n\n\nfloat round(float number){\n\treturn floor(number + 0.5);\n}\n\n// \n//    ###    ########     ###    ########  ######## #### ##     ## ########     ######  #### ######## ########  ######  \n//   ## ##   ##     ##   ## ##   ##     ##    ##     ##  ##     ## ##          ##    ##  ##       ##  ##       ##    ## \n//  ##   ##  ##     ##  ##   ##  ##     ##    ##     ##  ##     ## ##          ##        ##      ##   ##       ##       \n// ##     ## ##     ## ##     ## ########     ##     ##  ##     ## ######       ######   ##     ##    ######    ######  \n// ######### ##     ## ######### ##           ##     ##   ##   ##  ##                ##  ##    ##     ##             ## \n// ##     ## ##     ## ##     ## ##           ##     ##    ## ##   ##          ##    ##  ##   ##      ##       ##    ## \n// ##     ## ########  ##     ## ##           ##    ####    ###    ########     ######  #### ######## ########  ######  \n// \t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\n\n// ---------------------\n// OCTREE\n// ---------------------\n\n#if (defined(adaptive_point_size) || defined(color_type_level_of_detail)) && defined(tree_type_octree)\n/**\n * number of 1-bits up to inclusive index position\n * number is treated as if it were an integer in the range 0-255\n *\n */\nint numberOfOnes(int number, int index){\n\tint numOnes = 0;\n\tint tmp = 128;\n\tfor(int i = 7; i >= 0; i--){\n\t\t\n\t\tif(number >= tmp){\n\t\t\tnumber = number - tmp;\n\n\t\t\tif(i <= index){\n\t\t\t\tnumOnes++;\n\t\t\t}\n\t\t}\n\t\t\n\t\ttmp = tmp / 2;\n\t}\n\n\treturn numOnes;\n}\n\n\n/**\n * checks whether the bit at index is 1\n * number is treated as if it were an integer in the range 0-255\n *\n */\nbool isBitSet(int number, int index){\n\n\t// weird multi else if due to lack of proper array, int and bitwise support in WebGL 1.0\n\tint powi = 1;\n\tif(index == 0){\n\t\tpowi = 1;\n\t}else if(index == 1){\n\t\tpowi = 2;\n\t}else if(index == 2){\n\t\tpowi = 4;\n\t}else if(index == 3){\n\t\tpowi = 8;\n\t}else if(index == 4){\n\t\tpowi = 16;\n\t}else if(index == 5){\n\t\tpowi = 32;\n\t}else if(index == 6){\n\t\tpowi = 64;\n\t}else if(index == 7){\n\t\tpowi = 128;\n\t}else{\n\t\treturn false;\n\t}\n\n\tint ndp = number / powi;\n\n\treturn mod(float(ndp), 2.0) != 0.0;\n}\n\n\n/**\n * find the LOD at the point position\n */\nfloat getLOD(){//////\n\t \n\tvec3 offset = vec3(0.0, 0.0, 0.0);\n\tint iOffset = int(uVNStart);\n\tfloat depth = uLevel;\n\tfor(float i = 0.0; i <= 30.0; i++){\n\t\tfloat nodeSizeAtLevel = uOctreeSize / pow(2.0, i + uLevel + 0.0);\n\t\t\n\t\tvec3 index3d = (position-offset) / nodeSizeAtLevel;\n\t\tindex3d = floor(index3d + 0.5);\n\t\tint index = int(round(4.0 * index3d.x + 2.0 * index3d.y + index3d.z));\n\t\t\n\t\tvec4 value = texture2D(visibleNodes, vec2(float(iOffset) / 2048.0, 0.0));\n\t\tint mask = int(round(value.r * 255.0));\n\n\t\tif(isBitSet(mask, index)){\n\t\t\t// there are more visible child nodes at this position\n\t\t\tint advanceG = int(round(value.g * 255.0)) * 256;\n\t\t\tint advanceB = int(round(value.b * 255.0));\n\t\t\tint advanceChild = numberOfOnes(mask, index - 1);\n\t\t\tint advance = advanceG + advanceB + advanceChild;\n\n\t\t\tiOffset = iOffset + advance;\n\t\t\t\n\t\t\tdepth++;\n\t\t}else{\n\t\t\t// no more visible child nodes at this position\n\t\t\t//return value.a * 255.0;\n\n\t\t\tfloat lodOffset = (255.0 * value.a) / 10.0 - 10.0;\n\n\t\t\treturn depth  + lodOffset;\n\t\t}\n\t\t\n\t\toffset = offset + (vec3(1.0, 1.0, 1.0) * nodeSizeAtLevel * 0.5) * index3d;\n\t}\n\t\t\n\treturn depth;\n}\n\nfloat getSpacing(){\n\tvec3 offset = vec3(0.0, 0.0, 0.0);\n\tint iOffset = int(uVNStart);\n\tfloat depth = uLevel;\n\tfloat spacing = uNodeSpacing;\n\tfor(float i = 0.0; i <= 30.0; i++){\n\t\tfloat nodeSizeAtLevel = uOctreeSize / pow(2.0, i + uLevel + 0.0);\n\t\t\n\t\tvec3 index3d = (position-offset) / nodeSizeAtLevel;\n\t\tindex3d = floor(index3d + 0.5);\n\t\tint index = int(round(4.0 * index3d.x + 2.0 * index3d.y + index3d.z));\n\t\t\n\t\tvec4 value = texture2D(visibleNodes, vec2(float(iOffset) / 2048.0, 0.0));\n\t\tint mask = int(round(value.r * 255.0));\n\t\tfloat spacingFactor = value.a;\n\n\t\tif(i > 0.0){\n\t\t\tspacing = spacing / (255.0 * spacingFactor);\n\t\t}\n\t\t\n\n\t\tif(isBitSet(mask, index)){\n\t\t\t// there are more visible child nodes at this position\n\t\t\tint advanceG = int(round(value.g * 255.0)) * 256;\n\t\t\tint advanceB = int(round(value.b * 255.0));\n\t\t\tint advanceChild = numberOfOnes(mask, index - 1);\n\t\t\tint advance = advanceG + advanceB + advanceChild;\n\n\t\t\tiOffset = iOffset + advance;\n\n\t\t\t//spacing = spacing / (255.0 * spacingFactor);\n\t\t\t//spacing = spacing / 3.0;\n\t\t\t\n\t\t\tdepth++;\n\t\t}else{\n\t\t\t// no more visible child nodes at this position\n\t\t\treturn spacing;\n\t\t}\n\t\t\n\t\toffset = offset + (vec3(1.0, 1.0, 1.0) * nodeSizeAtLevel * 0.5) * index3d;\n\t}\n\t\t\n\treturn spacing;\n}\n\nfloat getPointSizeAttenuation(){\n\treturn pow(2.0, getLOD());\n}\n\n\n#endif\n\n\n// ---------------------\n// KD-TREE\n// ---------------------\n\n#if (defined(adaptive_point_size) || defined(color_type_level_of_detail)) && defined(tree_type_kdtree)\n\nfloat getLOD(){\n\tvec3 offset = vec3(0.0, 0.0, 0.0);\n\tfloat iOffset = 0.0;\n\tfloat depth = 0.0;\n\t\t\n\t\t\n\tvec3 size = uBBSize;\t\n\tvec3 pos = position;\n\t\t\n\tfor(float i = 0.0; i <= 1000.0; i++){\n\t\t\n\t\tvec4 value = texture2D(visibleNodes, vec2(iOffset / 2048.0, 0.0));\n\t\t\n\t\tint children = int(value.r * 255.0);\n\t\tfloat next = value.g * 255.0;\n\t\tint split = int(value.b * 255.0);\n\t\t\n\t\tif(next == 0.0){\n\t\t \treturn depth;\n\t\t}\n\t\t\n\t\tvec3 splitv = vec3(0.0, 0.0, 0.0);\n\t\tif(split == 1){\n\t\t\tsplitv.x = 1.0;\n\t\t}else if(split == 2){\n\t\t \tsplitv.y = 1.0;\n\t\t}else if(split == 4){\n\t\t \tsplitv.z = 1.0;\n\t\t}\n\t\t\n\t\tiOffset = iOffset + next;\n\t\t\n\t\tfloat factor = length(pos * splitv / size);\n\t\tif(factor < 0.5){\n\t\t\t// left\n\t\tif(children == 0 || children == 2){\n\t\t\t\treturn depth;\n\t\t\t}\n\t\t}else{\n\t\t\t// right\n\t\t\tpos = pos - size * splitv * 0.5;\n\t\t\tif(children == 0 || children == 1){\n\t\t\t\treturn depth;\n\t\t\t}\n\t\t\tif(children == 3){\n\t\t\t\tiOffset = iOffset + 1.0;\n\t\t\t}\n\t\t}\n\t\tsize = size * ((1.0 - (splitv + 1.0) / 2.0) + 0.5);\n\t\t\n\t\tdepth++;\n\t}\n\t\t\n\t\t\n\treturn depth;\t\n}\n\nfloat getPointSizeAttenuation(){\n\treturn 0.5 * pow(1.3, getLOD());\n}\n\n#endif\n\n\n\n// \n//    ###    ######## ######## ########  #### ########  ##     ## ######## ########  ######  \n//   ## ##      ##       ##    ##     ##  ##  ##     ## ##     ##    ##    ##       ##    ## \n//  ##   ##     ##       ##    ##     ##  ##  ##     ## ##     ##    ##    ##       ##       \n// ##     ##    ##       ##    ########   ##  ########  ##     ##    ##    ######    ######  \n// #########    ##       ##    ##   ##    ##  ##     ## ##     ##    ##    ##             ## \n// ##     ##    ##       ##    ##    ##   ##  ##     ## ##     ##    ##    ##       ##    ## \n// ##     ##    ##       ##    ##     ## #### ########   #######     ##    ########  ######                                                                               \n// \n\n\n\n// formula adapted from: http://www.dfstudios.co.uk/articles/programming/image-programming-algorithms/image-processing-algorithms-part-5-contrast-adjustment/\nfloat getContrastFactor(float contrast){\n\treturn (1.0158730158730156 * (contrast + 1.0)) / (1.0158730158730156 - contrast);\n}\n\nvec3 getRGB(){\n\tvec3 rgb = color;\n\t\n\trgb = pow(rgb, vec3(uRGB_gbc.x));\n\trgb = rgb + uRGB_gbc.y;\n\trgb = (rgb - 0.5) * getContrastFactor(uRGB_gbc.z) + 0.5;\n\trgb = clamp(rgb, 0.0, 1.0);\n\n\treturn rgb;\n}\n\nfloat getIntensity(){\n\tfloat w = (intensity - intensityRange.x) / (intensityRange.y - intensityRange.x);\n\tw = pow(w, uIntensity_gbc.x);\n\tw = w + uIntensity_gbc.y;\n\tw = (w - 0.5) * getContrastFactor(uIntensity_gbc.z) + 0.5;\n\tw = clamp(w, 0.0, 1.0);\n\n\treturn w;\n}\n\nvec3 getGpsTime(){\n\n\tfloat w = (gpsTime + uGpsOffset) * uGpsScale;\n\n\n\tvec3 c = texture2D(gradient, vec2(w, 1.0 - w)).rgb;\n\n\n\t// vec2 r = uNormalizedGpsBufferRange;\n\t// float w = gpsTime * (r.y - r.x) + r.x;\n\t// w = clamp(w, 0.0, 1.0);\n\t// vec3 c = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\t\n\treturn c;\n}\n\nvec3 getElevation(){\n\tvec4 world = modelMatrix * vec4( position, 1.0 );\n\tfloat w = (world.z - elevationRange.x) / (elevationRange.y - elevationRange.x);\n\tvec3 cElevation = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\t\n\treturn cElevation;\n}\n\nvec4 getClassification(){\n\tvec2 uv = vec2(classification / 255.0, 0.5);\n\tvec4 classColor = texture2D(classificationLUT, uv);\n\t\n\treturn classColor;\n}\n\nvec3 getReturns(){\n\n\t// 0b 00_000_111\n\tfloat rn = mod(returnNumber, 8.0);\n\t// 0b 00_111_000\n\tfloat nr = mod(returnNumber / 8.0, 8.0);\n\n\tif(nr <= 1.0){\n\t\treturn vec3(1.0, 0.0, 0.0);\n\t}else{\n\t\treturn vec3(0.0, 1.0, 0.0);\n\t}\n\n\t// return vec3(nr / 4.0, 0.0, 0.0);\n\n\t// if(nr == 1.0){\n\t// \treturn vec3(1.0, 1.0, 0.0);\n\t// }else{\n\t// \tif(rn == 1.0){\n\t// \t\treturn vec3(1.0, 0.0, 0.0);\n\t// \t}else if(rn == nr){\n\t// \t\treturn vec3(0.0, 0.0, 1.0);\n\t// \t}else{\n\t// \t\treturn vec3(0.0, 1.0, 0.0);\n\t// \t}\n\t// }\n\n\t// if(numberOfReturns == 1.0){\n\t// \treturn vec3(1.0, 1.0, 0.0);\n\t// }else{\n\t// \tif(returnNumber == 1.0){\n\t// \t\treturn vec3(1.0, 0.0, 0.0);\n\t// \t}else if(returnNumber == numberOfReturns){\n\t// \t\treturn vec3(0.0, 0.0, 1.0);\n\t// \t}else{\n\t// \t\treturn vec3(0.0, 1.0, 0.0);\n\t// \t}\n\t// }\n}\n\nvec3 getReturnNumber(){\n\tif(numberOfReturns == 1.0){\n\t\treturn vec3(1.0, 1.0, 0.0);\n\t}else{\n\t\tif(returnNumber == 1.0){\n\t\t\treturn vec3(1.0, 0.0, 0.0);\n\t\t}else if(returnNumber == numberOfReturns){\n\t\t\treturn vec3(0.0, 0.0, 1.0);\n\t\t}else{\n\t\t\treturn vec3(0.0, 1.0, 0.0);\n\t\t}\n\t}\n}\n\nvec3 getNumberOfReturns(){\n\tfloat value = numberOfReturns;\n\n\tfloat w = value / 6.0;\n\n\tvec3 color = texture2D(gradient, vec2(w, 1.0 - w)).rgb;\n\n\treturn color;\n}\n\nvec3 getSourceID(){\n\tfloat w = mod(pointSourceID, 10.0) / 10.0;\n\treturn texture2D(gradient, vec2(w,1.0 - w)).rgb;\n}\n\nvec3 getCompositeColor(){\n\tvec3 c;\n\tfloat w;\n\n\tc += wRGB * getRGB();\n\tw += wRGB;\n\t\n\tc += wIntensity * getIntensity() * vec3(1.0, 1.0, 1.0);\n\tw += wIntensity;\n\t\n\tc += wElevation * getElevation();\n\tw += wElevation;\n\t\n\tc += wReturnNumber * getReturnNumber();\n\tw += wReturnNumber;\n\t\n\tc += wSourceID * getSourceID();\n\tw += wSourceID;\n\t\n\tvec4 cl = wClassification * getClassification();\n\tc += cl.a * cl.rgb;\n\tw += wClassification * cl.a;\n\n\tc = c / w;\n\t\n\tif(w == 0.0){\n\t\t//c = color;\n\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t}\n\t\n\treturn c;\n}\n\n\nvec3 getNormal(){\n\t//vec3 n_hsv = vec3( modelMatrix * vec4( normal, 0.0 )) * 0.5 + 0.5; // (n_world.xyz + vec3(1.,1.,1.)) / 2.;\n\tvec3 n_view = normalize( vec3(modelViewMatrix * vec4( normal, 0.0 )) );\n\treturn n_view;\n}\nbool applyBackfaceCulling() {\n\t// Black not facing vertices / Backface culling\n      \n\tvec3 e = normalize(vec3(modelViewMatrix * vec4( position, 1. )));\n\tvec3 n = getNormal(); // normalize( vec3(modelViewMatrix * vec4( normal, 0.0 )) );\n\n\tif((uUseOrthographicCamera && n.z <= 0.) || (!uUseOrthographicCamera && dot( n, e ) >= 0.)) { \n\t\treturn true;\n\t} else {\n\t\treturn false;\n\t}\n}\n\n#if defined(color_type_matcap)\n// Matcap Material\nvec3 getMatcap(){ \n\tvec3 eye = normalize( vec3( modelViewMatrix * vec4( position, 1. ) ) ); \n\tif(uUseOrthographicCamera) { \n\t\teye = vec3(0., 0., -1.);\n\t}\n\tvec3 r_en = reflect( eye, getNormal() ); // or r_en = e - 2. * dot( n, e ) * n;\n\tfloat m = 2. * sqrt(pow( r_en.x, 2. ) + pow( r_en.y, 2. ) + pow( r_en.z + 1., 2. ));\n\tvec2 vN = r_en.xy / m + .5;\n\treturn texture2D(matcapTextureUniform, vN).rgb; \n}\n#endif\n\nvec3 getExtra(){\n\n\tfloat w = (aExtra + uExtraOffset) * uExtraScale;\n\tw = clamp(w, 0.0, 1.0);\n\n\tvec3 color = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\n\t// vec2 r = uExtraNormalizedRange;\n\n\t// float w = aExtra * (r.y - r.x) + r.x;\n\n\t// w = (w - uExtraRange.x) / (uExtraRange.y - uExtraRange.x);\n\n\t// w = clamp(w, 0.0, 1.0);\n\n\t// vec3 color = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\n\treturn color;\n}\n\nvec3 getColor(){\n\tvec3 color;\n\t\n\t#ifdef color_type_rgba\n\t\tcolor = getRGB();\n         \n        \n\t#elif defined color_type_height || defined color_type_elevation\n\t\tcolor = getElevation();\n\t#elif defined color_type_rgb_height\n\t\tvec3 cHeight = getElevation();\n\t\tcolor = (1.0 - uTransition) * getRGB() + uTransition * cHeight;\n\t#elif defined color_type_depth\n\t\tfloat linearDepth = gl_Position.w;\n\t\tfloat expDepth = (gl_Position.z / gl_Position.w) * 0.5 + 0.5;\n\t\tcolor = vec3(linearDepth, expDepth, 0.0);\n\t\t//color = vec3(1.0, 0.5, 0.3);\n\t#elif defined color_type_intensity\n\t\tfloat w = getIntensity();\n\t\tcolor = vec3(w, w, w);\n\t#elif defined color_type_gps_time\n\t\tcolor = getGpsTime();\n\t#elif defined color_type_intensity_gradient\n\t\tfloat w = getIntensity();\n\t\tcolor = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\t#elif defined color_type_color\n\t\tcolor = uColor;\n\t#elif defined color_type_level_of_detail\n\t\tfloat depth = getLOD();\n\t\tfloat w = depth / 10.0;\n\t\tcolor = texture2D(gradient, vec2(w,1.0-w)).rgb;\n\t#elif defined color_type_indices\n\t\tcolor = indices.rgb;\n\t#elif defined color_type_classification\n\t\tvec4 cl = getClassification(); \n\t\tcolor = cl.rgb;\n\t#elif defined color_type_return_number\n\t\tcolor = getReturnNumber();\n\t#elif defined color_type_returns\n\t\tcolor = getReturns();\n\t#elif defined color_type_number_of_returns\n\t\tcolor = getNumberOfReturns();\n\t#elif defined color_type_source_id\n\t\tcolor = getSourceID();\n\t#elif defined color_type_point_source_id\n\t\tcolor = getSourceID();\n\t#elif defined color_type_normal\n\t\tcolor = (modelMatrix * vec4(normal, 0.0)).xyz;\n\t#elif defined color_type_phong\n\t\tcolor = color;\n\t#elif defined color_type_composite\n\t\tcolor = getCompositeColor();\n\t#elif defined color_type_matcap\n\t\tcolor = getMatcap();\n\t#else \n\t\tcolor = getExtra();\n\t#endif\n\t\n\tif (backfaceCulling && applyBackfaceCulling()){\n        //color = vec3(0.);\n    }\n    //applyBackfaceCulling直接返回false或者注释color = vec3(0.);都没问题\n\treturn color;\n}\n\nfloat getPointSize(){\n\tfloat pointSize = 1.0;\n\t\n\tfloat slope = tan(fov / 2.0);\n\tfloat projFactor = -0.5 * resolution.y / (slope * vViewPosition.z);\n    \n    \n    \n    /*\n\tfloat scale = length(\n\t\tmodelViewMatrix * vec4(0, 0, 0, 1) - \n\t\tmodelViewMatrix * vec4(uOctreeSpacing, 0, 0, 1)\n\t) / uOctreeSpacing;\n    \n\tprojFactor = projFactor * scale;\n\t*/\n    \n    \n\tfloat r = uOctreeSpacing * 1.7;\n\t//vRadius = r;\n     \n    \n\t#if defined fixed_point_size\n\t\tpointSize = size;\n\t#elif defined attenuated_point_size\n\t\tif(uUseOrthographicCamera){\n\t\t\tpointSize = size * 10.0;  //加个乘数\n\t\t}else{  //近大远小，模拟真实mesh，边缘放大\n\t\t\t//pointSize = size * spacing * projFactor;  //spacing是attribute  为空  如果有这个值就能更自适应填补\n            //pointSize = size * uOctreeSpacing * projFactor / 18.0; //直接用cloud的spacing里，不过因为都一样所以可能没有什么意义\n\t\t\t//pointSize = pointSize * projFactor;\n            pointSize = size * projFactor  ;\n\t\t}\n\t#elif defined adaptive_point_size\n\t\tif(uUseOrthographicCamera) {\n\t\t\tfloat worldSpaceSize = 1.0 * size * r / getPointSizeAttenuation();\n\t\t\tpointSize = (worldSpaceSize / uOrthoWidth) * resolution.x;    //uScreenWidth;\n\t\t} else {\n\t\t\tfloat worldSpaceSize = 1.0 * size * r / getPointSizeAttenuation();\n\t\t\tpointSize = worldSpaceSize * projFactor;\n\t\t}\n\t#endif\n\n\tpointSize = max(minSize, pointSize);\n\tpointSize = min(maxSize, pointSize);\n\t\n\tvRadius = pointSize / projFactor;\n\n\treturn pointSize;\n}\n\n#if defined(num_clippolygons) && num_clippolygons > 0\nbool pointInClipPolygon(vec3 point, int polyIdx) {\n\n\tmat4 wvp = uClipPolygonWVP[polyIdx];\n\t//vec4 screenClipPos = uClipPolygonVP[polyIdx] * modelMatrix * vec4(point, 1.0);\n\t//screenClipPos.xy = screenClipPos.xy / screenClipPos.w * 0.5 + 0.5;\n\n\tvec4 pointNDC = wvp * vec4(point, 1.0);\n\tpointNDC.xy = pointNDC.xy / pointNDC.w;\n\n\tint j = uClipPolygonVCount[polyIdx] - 1;\n\tbool c = false;\n\tfor(int i = 0; i < 8; i++) {\n\t\tif(i == uClipPolygonVCount[polyIdx]) {\n\t\t\tbreak;\n\t\t}\n\n\t\t//vec4 verti = wvp * vec4(uClipPolygonVertices[polyIdx * 8 + i], 1);\n\t\t//vec4 vertj = wvp * vec4(uClipPolygonVertices[polyIdx * 8 + j], 1);\n\n\t\t//verti.xy = verti.xy / verti.w;\n\t\t//vertj.xy = vertj.xy / vertj.w;\n\n\t\t//verti.xy = verti.xy / verti.w * 0.5 + 0.5;\n\t\t//vertj.xy = vertj.xy / vertj.w * 0.5 + 0.5;\n\n\t\tvec3 verti = uClipPolygonVertices[polyIdx * 8 + i];\n\t\tvec3 vertj = uClipPolygonVertices[polyIdx * 8 + j];\n\n\t\tif( ((verti.y > pointNDC.y) != (vertj.y > pointNDC.y)) && \n\t\t\t(pointNDC.x < (vertj.x-verti.x) * (pointNDC.y-verti.y) / (vertj.y-verti.y) + verti.x) ) {\n\t\t\tc = !c;\n\t\t}\n\t\tj = i;\n\t}\n\n\treturn c;\n}\n#endif\n\nvoid doClipping(){\n\n\t{\n\t\tvec4 cl = getClassification(); \n\t\tif(cl.a == 0.0){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t\t\t\n\t\t\treturn;\n\t\t}\n\t}\n\n\t#if defined(clip_return_number_enabled)\n\t{ // return number filter\n\t\tvec2 range = uFilterReturnNumberRange;\n\t\tif(returnNumber < range.x || returnNumber > range.y){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t\t\t\n\t\t\treturn;\n\t\t}\n\t}\n\t#endif\n\n\t#if defined(clip_number_of_returns_enabled)\n\t{ // number of return filter\n\t\tvec2 range = uFilterNumberOfReturnsRange;\n\t\tif(numberOfReturns < range.x || numberOfReturns > range.y){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t\t\t\n\t\t\treturn;\n\t\t}\n\t}\n\t#endif\n\n\t#if defined(clip_gps_enabled)\n\t{ // GPS time filter\n\t\tfloat time = (gpsTime + uGpsOffset) * uGpsScale;\n\t\tvec2 range = uFilterGPSTimeClipRange;\n\n\t\tif(time < range.x || time > range.y){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t\t\t\n\t\t\treturn;\n\t\t}\n\t}\n\t#endif\n\n\t#if defined(clip_point_source_id_enabled)\n\t{ // point source id filter\n\t\tvec2 range = uFilterPointSourceIDClipRange;\n\t\tif(pointSourceID < range.x || pointSourceID > range.y){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 0.0);\n\t\t\t\n\t\t\treturn;\n\t\t}\n\t}\n\t#endif\n\n\tint clipVolumesCount = 0;\n\tint insideCount = 0;\n\n\t#if defined(num_clipboxes) && num_clipboxes > 0\n\t\tfor(int i = 0; i < num_clipboxes; i++){\n\t\t\tvec4 clipPosition = clipBoxes[i] * modelMatrix * vec4( position, 1.0 );\n\t\t\tbool inside = -0.5 <= clipPosition.x && clipPosition.x <= 0.5;\n\t\t\tinside = inside && -0.5 <= clipPosition.y && clipPosition.y <= 0.5;\n\t\t\tinside = inside && -0.5 <= clipPosition.z && clipPosition.z <= 0.5;\n\n\t\t\tinsideCount = insideCount + (inside ? 1 : 0);\n\t\t\tclipVolumesCount++;\n\t\t}\t\n\t#endif\n\n\t#if defined(num_clippolygons) && num_clippolygons > 0\n\t\tfor(int i = 0; i < num_clippolygons; i++) {\n\t\t\tbool inside = pointInClipPolygon(position, i);\n\n\t\t\tinsideCount = insideCount + (inside ? 1 : 0);\n\t\t\tclipVolumesCount++;\n\t\t}\n\t#endif\n\n\tbool insideAny = insideCount > 0;\n\tbool insideAll = (clipVolumesCount > 0) && (clipVolumesCount == insideCount);\n\n\tif(clipMethod == CLIPMETHOD_INSIDE_ANY){\n\t\tif(insideAny && clipTask == CLIPTASK_HIGHLIGHT){\n\t\t\tvColor.r += 0.5;\n\t\t}else if(!insideAny && clipTask == CLIPTASK_SHOW_INSIDE){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 1.0);\n\t\t}else if(insideAny && clipTask == CLIPTASK_SHOW_OUTSIDE){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 1.0);\n\t\t}\n\t}else if(clipMethod == CLIPMETHOD_INSIDE_ALL){\n\t\tif(insideAll && clipTask == CLIPTASK_HIGHLIGHT){\n\t\t\tvColor.r += 0.5;\n\t\t}else if(!insideAll && clipTask == CLIPTASK_SHOW_INSIDE){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 1.0);\n\t\t}else if(insideAll && clipTask == CLIPTASK_SHOW_OUTSIDE){\n\t\t\tgl_Position = vec4(100.0, 100.0, 100.0, 1.0);\n\t\t}\n\t}\n}\n\n\n\n// \n// ##     ##    ###    #### ##    ## \n// ###   ###   ## ##    ##  ###   ## \n// #### ####  ##   ##   ##  ####  ## \n// ## ### ## ##     ##  ##  ## ## ## \n// ##     ## #########  ##  ##  #### \n// ##     ## ##     ##  ##  ##   ### \n// ##     ## ##     ## #### ##    ## \n//\n\n\nvec2 getSamplerCoord( vec3 direction ) \n{\n    direction = normalize(direction);\n    float tx=atan(direction.x,-direction.y)/(PI*2.0)+0.5;\n    float ty=acos(direction.z)/PI;\n\n    return vec2(tx,ty);\n}  \n\nvec3 transformAxis( vec3 direction ) //navvis->4dkk\n{\n    float y = direction.y;\n    direction.y = direction.z;\n    direction.z = -y;\n    return  direction;\n}\n\nvoid main() {\n    //bool filtered_by_normal = false; \n    float normalZ = 0.0;\n\n\n\n    #ifdef use_filter_by_normal\n        /*if(abs(getNormal().z) > 0.4) { //ufilterByNormalThreshold 暂定 3\n\t\t\t// Move point outside clip space space to discard it.\n\t\t\t//gl_Position = vec4(0.0, 0.0, 2.0, 1.0);   //gl_Position的可视区域是 x,y,z都是[-1,1]  \n            //return;\n            //filtered_by_normal = true; //标记一下。不直接不绘制，因为有的法线都是垂直向上\n             \n\t\t}*/\n        \n        normalZ = abs(getNormal().z);\n    #endif\n     \n    vec4 mvPosition = modelViewMatrix * vec4(position, 1.0 );\n    vViewPosition = mvPosition.xyz;\n    gl_Position = projectionMatrix * mvPosition;\n    vLogDepth = log2(-mvPosition.z);\n    \n    \n     \n    // COLOR\n    //加-------------------\n    #if defined(usePanoMap)\n        vec4 worldPosition = modelMatrix * vec4(position, 1.0);\n         \n        vec3 positionLocalToPanoCenter0 = worldPosition.xyz - pano0Position;\n        vec3 vWorldPosition0 = (vec4(positionLocalToPanoCenter0, 1.0) * pano0Matrix).xyz; \n        vWorldPosition0.x *= -1.0;\n        vWorldPosition0 = transformAxis(vWorldPosition0);\n        \n        vec3 positionLocalToPanoCenter1 = worldPosition.xyz - pano1Position;\n        vec3 vWorldPosition1 = (vec4(positionLocalToPanoCenter1, 1.0) * pano1Matrix).xyz; \n        vWorldPosition1.x *= -1.0;\n        vWorldPosition1 = transformAxis(vWorldPosition1);\n         \n        /*\n        vec2 samplerCoord0 = getSamplerCoord(vWorldPosition0.xyz);\n        vec2 samplerCoord1 = getSamplerCoord(vWorldPosition1.xyz); \n        vec4 colorFromPano0 = texture2D(pano0Map,samplerCoord0);\n        vec4 colorFromPano1 = texture2D(pano1Map,samplerCoord1);\n        */\n        \n        \n        \n        \n        vec4 colorFromPano0=textureCube(pano0Map,vWorldPosition0.xyz);\n        vec4 colorFromPano1=textureCube(pano1Map,vWorldPosition1.xyz);\n\n        vColor = mix(colorFromPano0,colorFromPano1,progress).xyz; \n\n         \n        //float easeInOutRatio = 0.0;  //缓冲，渐变点云到贴图的颜色 \n        if(progress < easeInOutRatio){\n            float easeProgress = (easeInOutRatio - progress) / easeInOutRatio;\n            vec3 vColor1 = getColor();\n            vColor = mix(vColor,vColor1,easeProgress); \n        }else if(progress > 1.0 - easeInOutRatio){ \n            float easeProgress = (progress - (1.0 - easeInOutRatio) ) / easeInOutRatio;\n            vec3 vColor1 = getColor();\n            vColor = mix(vColor,vColor1,easeProgress); \n        }\n        \n\n    #else\n     \n        vColor = getColor();\n    \n    #endif\n   \n   \n    //-------------------        \n \n    #ifdef attenuated_opacity  \n        //zoom不会改变z 所以这并不是用在分屏时候的\n        //vOpacity = uOpacity * exp(-length(-mvPosition.xyz) / 1000.0);  // e为底的指数函数  opacityAttenuation = 1000\n        vOpacity = uOpacity  * exp(gl_Position.z/50.0); \n        vOpacity = clamp(vOpacity, 0.001, 1.0);          \n        /*if(filtered_by_normal){//垂直朝相机时降低透明度 \n            vOpacity *= 0.2; \n            vOpacity = clamp(vOpacity, 0.0001, 0.1);    \n        } */  \n    #else\n        vOpacity = uOpacity;\n        /*if(filtered_by_normal){//垂直朝相机时降低透明度 \n        /*if(filtered_by_normal){//垂直朝相机时降低透明度 \n            vOpacity *= 0.3; \n            vOpacity = clamp(vOpacity, 0.0001, 0.1);    \n        }*/ \n        \n        vOpacity *= max(0.1,  (1.0 - normalZ));\n    #endif\n\t \n\n    // POINT SIZE\n    float pointSize = getPointSize();\n    \n    gl_PointSize = pointSize;\n    vPointSize = pointSize;\n\n    \n    \n    \n     \n\n    // only for "replacing" approaches\n    // if(getLOD() != uLevel){\n    // \tgl_Position = vec4(10.0, 10.0, 10.0, 1.0);\n    // }\n\n\n    #if defined hq_depth_pass\n        float originalDepth = gl_Position.w;\n        float adjustedDepth = originalDepth + 2.0 * vRadius;\n        float adjust = adjustedDepth / originalDepth;\n\n        mvPosition.xyz = mvPosition.xyz * adjust;\n        gl_Position = projectionMatrix * mvPosition;\n    #endif\n\n\n    // CLIPPING\n    doClipping();\n\n    #if defined(num_clipspheres) && num_clipspheres > 0\n        for(int i = 0; i < num_clipspheres; i++){\n            vec4 sphereLocal = uClipSpheres[i] * mvPosition;\n\n            float distance = length(sphereLocal.xyz);\n\n            if(distance < 1.0){\n                float w = distance;\n                vec3 cGradient = texture2D(gradient, vec2(w, 1.0 - w)).rgb;\n                \n                vColor = cGradient;\n                //vColor = cGradient * 0.7 + vColor * 0.3;\n            }\n        }\n    #endif\n\n    #if defined(num_shadowmaps) && num_shadowmaps > 0\n\n        const float sm_near = 0.1;\n        const float sm_far = 10000.0;\n\n        for(int i = 0; i < num_shadowmaps; i++){\n            vec3 viewPos = (uShadowWorldView[i] * vec4(position, 1.0)).xyz;\n            float distanceToLight = abs(viewPos.z);\n            \n            vec4 projPos = uShadowProj[i] * uShadowWorldView[i] * vec4(position, 1);\n            vec3 nc = projPos.xyz / projPos.w;\n            \n            float u = nc.x * 0.5 + 0.5;\n            float v = nc.y * 0.5 + 0.5;\n\n            vec2 sampleStep = vec2(1.0 / (2.0*1024.0), 1.0 / (2.0*1024.0)) * 1.5;\n            vec2 sampleLocations[9];\n            sampleLocations[0] = vec2(0.0, 0.0);\n            sampleLocations[1] = sampleStep;\n            sampleLocations[2] = -sampleStep;\n            sampleLocations[3] = vec2(sampleStep.x, -sampleStep.y);\n            sampleLocations[4] = vec2(-sampleStep.x, sampleStep.y);\n\n            sampleLocations[5] = vec2(0.0, sampleStep.y);\n            sampleLocations[6] = vec2(0.0, -sampleStep.y);\n            sampleLocations[7] = vec2(sampleStep.x, 0.0);\n            sampleLocations[8] = vec2(-sampleStep.x, 0.0);\n\n            float visibleSamples = 0.0;\n            float numSamples = 0.0;\n\n            float bias = vRadius * 2.0;\n\n            for(int j = 0; j < 9; j++){\n                vec4 depthMapValue = texture2D(uShadowMap[i], vec2(u, v) + sampleLocations[j]);\n\n                float linearDepthFromSM = depthMapValue.x + bias;\n                float linearDepthFromViewer = distanceToLight;\n\n                if(linearDepthFromSM > linearDepthFromViewer){\n                    visibleSamples += 1.0;\n                }\n\n                numSamples += 1.0;\n            }\n\n            float visibility = visibleSamples / numSamples;\n\n            if(u < 0.0 || u > 1.0 || v < 0.0 || v > 1.0 || nc.x < -1.0 || nc.x > 1.0 || nc.y < -1.0 || nc.y > 1.0 || nc.z < -1.0 || nc.z > 1.0){\n                //vColor = vec3(0.0, 0.0, 0.2);\n            }else{\n                //vColor = vec3(1.0, 1.0, 1.0) * visibility + vec3(1.0, 1.0, 1.0) * vec3(0.5, 0.0, 0.0) * (1.0 - visibility);\n                vColor = vColor * visibility + vColor * uShadowColor * (1.0 - visibility);\n            }\n\n\n        }\n\n    #endif\n\n    \n    \n}\n',
        "pointcloud.fs": "\n#if defined paraboloid_point_shape\n\t#extension GL_EXT_frag_depth : enable\n#endif\n#define PI 3.141592653589793\n\n\n\nprecision highp float;\nprecision highp int;\n\n/*\n#if defined(usePanoMap) \n    \n    uniform samplerCube pano0Map;   //随便设置一个samplerCube去使用都会让点云消失\n    uniform samplerCube pano1Map;\n     \n    uniform float progress;\n    uniform float easeInOutRatio;\n\n     \n    uniform vec3 pano0Position;\n    uniform mat4 pano0Matrix; \n    uniform vec3 pano1Position;\n    uniform mat4 pano1Matrix;\n    varying vec3 vWorldPosition0;\n    varying vec3 vWorldPosition1;\n\n#endif \n*/\n\n\n\n//------------\n\n\n\n\n\nuniform mat4 viewMatrix;\nuniform mat4 uViewInv;\nuniform mat4 uProjInv;\nuniform vec3 cameraPosition;\n\n\nuniform mat4 projectionMatrix;\n//uniform float uOpacity;\nvarying float vOpacity; //add\n\nuniform float blendHardness;\nuniform float blendDepthSupplement;\nuniform float fov;\nuniform float uSpacing;\nuniform float near;\nuniform float far;\nuniform float uPCIndex;\nuniform float uScreenWidth;\nuniform float uScreenHeight;\n\nvarying vec3\tvColor;\nvarying float\tvLogDepth;\nvarying vec3\tvViewPosition;\nvarying float\tvRadius;\nvarying float \tvPointSize;\nvarying vec3 \tvPosition;\n\n\nfloat specularStrength = 1.0;\n\n\nvec2 getSamplerCoord( vec3 direction ) \n{\n    direction = normalize(direction);\n    float tx=atan(direction.x,-direction.y)/(PI*2.0)+0.5;\n    float ty=acos(direction.z)/PI;\n\n    return vec2(tx,ty);\n}  \n\n\n\n\nvoid main() {\n\n    vec3 color = vColor;  \n\t \n    \n    /*#if defined(usePanoMap) //加     经测试，即使全部写在fragment里也是无论pointsize多大都是一个点一个颜色，所以干脆写在vectex里\n    \n    \n        vec4 colorFromPano0=textureCube(pano0Map,vWorldPosition0.xyz);\n        vec4 colorFromPano1=textureCube(pano1Map,vWorldPosition1.xyz);\n        \n        color = mix(colorFromPano0,colorFromPano1,progress).xyz; \n        \n        \n        //float easeInOutRatio = 0.0;  //缓冲，渐变点云到贴图的颜色 \n        if(progress < easeInOutRatio){\n            float easeProgress = (easeInOutRatio - progress) / easeInOutRatio; \n            color = mix(color,vColor,easeProgress); \n        }else if(progress > 1.0 - easeInOutRatio){ \n            float easeProgress = (progress - (1.0 - easeInOutRatio) ) / easeInOutRatio; \n            color = mix(color,vColor,easeProgress); \n        }\n        \n        \n    #else \n        color = vColor;\n    #endif*/\n   \n   \n    \n\tfloat depth = gl_FragCoord.z;\n\n\t#if defined(circle_point_shape) || defined(paraboloid_point_shape) \n\t\tfloat u = 2.0 * gl_PointCoord.x - 1.0;\n\t\tfloat v = 2.0 * gl_PointCoord.y - 1.0;\n\t#endif\n\t\n\t#if defined(circle_point_shape) \n\t\tfloat cc = u*u + v*v;\n\t\tif(cc > 1.0){\n\t\t\tdiscard;\n\t\t}\n\t#endif\n\t\n\n \n\n\t\n \n    #if defined color_type_indices    //pick point recognize\n\t\tgl_FragColor = vec4(color, uPCIndex / 255.0); //uPCIndex : node Index\n\t#else\n\t\tgl_FragColor = vec4(color, vOpacity);\n\t#endif\n    \n    \n    \n    \n    \n    \n    \n    \n\n\t#if defined paraboloid_point_shape\n\t\tfloat wi = 0.0 - ( u*u + v*v);\n\t\tvec4 pos = vec4(vViewPosition, 1.0);\n\t\tpos.z += wi * vRadius;\n\t\tfloat linearDepth = -pos.z;\n\t\tpos = projectionMatrix * pos;\n\t\tpos = pos / pos.w;\n\t\tfloat expDepth = pos.z;\n\t\tdepth = (pos.z + 1.0) / 2.0;\n\t\tgl_FragDepthEXT = depth;\n\t\t\n\t\t#if defined(color_type_depth)\n\t\t\tcolor.r = linearDepth;\n\t\t\tcolor.g = expDepth;\n\t\t#endif\n\t\t\n\t\t#if defined(use_edl)\n\t\t\tgl_FragColor.a = log2(linearDepth);\n\t\t#endif\n\t\t\n\t#else\n\t\t#if defined(use_edl)\n\t\t\tgl_FragColor.a = vLogDepth;\n\t\t#endif\n\t#endif\n\n\t#if defined(weighted_splats)\n\t\tfloat distance = 2.0 * length(gl_PointCoord.xy - 0.5);\n\t\tfloat weight = max(0.0, 1.0 - distance);\n\t\tweight = pow(weight, 1.5);\n\n\t\tgl_FragColor.a = weight;\n\t\tgl_FragColor.xyz = gl_FragColor.xyz * weight;\n\t#endif\n\n\t//gl_FragColor = vec4(0.0, 0.7, 0.0, 1.0);\n\t\n}\n\n\n",
        "pointcloud_sm.vs": "\nprecision mediump float;\nprecision mediump int;\n\nattribute vec3 position;\nattribute vec3 color;\n\nuniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\n\nuniform float uScreenWidth;\nuniform float uScreenHeight;\nuniform float near;\nuniform float far;\n\nuniform float uSpacing;\nuniform float uOctreeSize;\nuniform float uLevel;\nuniform float uVNStart;\n\nuniform sampler2D visibleNodes;\n\nvarying float vLinearDepth;\nvarying vec3 vColor;\n\n#define PI 3.141592653589793\n\n\n\n// ---------------------\n// OCTREE\n// ---------------------\n\n#if defined(adaptive_point_size)\n/**\n * number of 1-bits up to inclusive index position\n * number is treated as if it were an integer in the range 0-255\n *\n */\nfloat numberOfOnes(float number, float index){\n\tfloat tmp = mod(number, pow(2.0, index + 1.0));\n\tfloat numOnes = 0.0;\n\tfor(float i = 0.0; i < 8.0; i++){\n\t\tif(mod(tmp, 2.0) != 0.0){\n\t\t\tnumOnes++;\n\t\t}\n\t\ttmp = floor(tmp / 2.0);\n\t}\n\treturn numOnes;\n}\n\n\n/**\n * checks whether the bit at index is 1\n * number is treated as if it were an integer in the range 0-255\n *\n */\nbool isBitSet(float number, float index){\n\treturn mod(floor(number / pow(2.0, index)), 2.0) != 0.0;\n}\n\n\n/**\n * find the LOD at the point position\n */\nfloat getLOD(){\n\t\n\tvec3 offset = vec3(0.0, 0.0, 0.0);\n\tfloat iOffset = uVNStart;\n\tfloat depth = uLevel;\n\tfor(float i = 0.0; i <= 30.0; i++){\n\t\tfloat nodeSizeAtLevel = uOctreeSize  / pow(2.0, i + uLevel + 0.0);\n\t\t\n\t\tvec3 index3d = (position-offset) / nodeSizeAtLevel;\n\t\tindex3d = floor(index3d + 0.5);\n\t\tfloat index = 4.0 * index3d.x + 2.0 * index3d.y + index3d.z;\n\t\t\n\t\tvec4 value = texture2D(visibleNodes, vec2(iOffset / 2048.0, 0.0));\n\t\tfloat mask = value.r * 255.0;\n\t\tif(isBitSet(mask, index)){\n\t\t\t// there are more visible child nodes at this position\n\t\t\tiOffset = iOffset + value.g * 255.0 * 256.0 + value.b * 255.0 + numberOfOnes(mask, index - 1.0);\n\t\t\tdepth++;\n\t\t}else{\n\t\t\t// no more visible child nodes at this position\n\t\t\treturn depth;\n\t\t}\n\t\t\n\t\toffset = offset + (vec3(1.0, 1.0, 1.0) * nodeSizeAtLevel * 0.5) * index3d;\n\t}\n\t\t\n\treturn depth;\n}\n\n#endif\n\nfloat getPointSize(){\n\tfloat pointSize = 1.0;\n\t\n\tfloat slope = tan(fov / 2.0);\n\tfloat projFactor =  -0.5 * uScreenHeight / (slope * vViewPosition.z);\n\t\n\tfloat r = uOctreeSpacing * 1.5;\n\tvRadius = r;\n\t#if defined fixed_point_size\n\t\tpointSize = size;\n\t#elif defined attenuated_point_size\n\t\tif(uUseOrthographicCamera){\n\t\t\tpointSize = size;\t\t\t\n\t\t}else{\n\t\t\tpointSize = pointSize * projFactor;\n\t\t}\n\t#elif defined adaptive_point_size\n\t\tif(uUseOrthographicCamera) {\n\t\t\tfloat worldSpaceSize = 1.5 * size * r / getPointSizeAttenuation();\n\t\t\tpointSize = (worldSpaceSize / uOrthoWidth) * uScreenWidth;\n\t\t} else {\n\t\t\tfloat worldSpaceSize = 1.5 * size * r / getPointSizeAttenuation();\n\t\t\tpointSize = worldSpaceSize * projFactor;\n\t\t}\n\t#endif\n\n\tpointSize = max(minSize, pointSize);\n\tpointSize = min(maxSize, pointSize);\n\t\n\tvRadius = pointSize / projFactor;\n\n\treturn pointSize;\n}\n\n\nvoid main() {\n\n\tvec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n\tvLinearDepth = gl_Position.w;\n\n\tfloat pointSize = getPointSize();\n\tgl_PointSize = pointSize;\n\n}\n",
        "pointcloud_sm.fs": "\nprecision mediump float;\nprecision mediump int;\n\nvarying vec3 vColor;\nvarying float vLinearDepth;\n\nvoid main() {\n\n\t//gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);\n\t//gl_FragColor = vec4(vColor, 1.0);\n\t//gl_FragColor = vec4(vLinearDepth, pow(vLinearDepth, 2.0), 0.0, 1.0);\n\tgl_FragColor = vec4(vLinearDepth, vLinearDepth / 30.0, vLinearDepth / 30.0, 1.0);\n\t\n}\n\n\n",
        "normalize.vs": "\nprecision mediump float;\nprecision mediump int;\n\nattribute vec3 position;\nattribute vec2 uv;\n\nuniform mat4 projectionMatrix;\nuniform mat4 modelViewMatrix;\n\nvarying vec2 vUv;\n\nvoid main() {\n\tvUv = uv;\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4(position,1.0);\n}",
        "normalize.fs": "\n#extension GL_EXT_frag_depth : enable\n\nprecision mediump float;\nprecision mediump int;\n\nuniform sampler2D uWeightMap;\nuniform sampler2D uDepthMap;\n\nvarying vec2 vUv;\n\nvoid main() {\n\tfloat depth = texture2D(uDepthMap, vUv).r;\n\t\n\tif(depth >= 1.0){\n\t\tdiscard;\n\t}\n\n\tgl_FragColor = vec4(depth, 1.0, 0.0, 1.0);\n\n\tvec4 color = texture2D(uWeightMap, vUv); \n\tcolor = color / color.w;\n\t\n\tgl_FragColor = vec4(color.xyz, 1.0); \n\t\n\tgl_FragDepthEXT = depth;\n\n\n}",
        "normalize_and_edl.fs": "\n#extension GL_EXT_frag_depth : enable\n\n// \n// adapted from the EDL shader code from Christian Boucheny in cloud compare:\n// https://github.com/cloudcompare/trunk/tree/master/plugins/qEDL/shaders/EDL\n//\n\nprecision mediump float;\nprecision mediump int;\n\nuniform sampler2D uWeightMap;\nuniform sampler2D uEDLMap;\nuniform sampler2D uDepthMap;\n\nuniform float screenWidth;\nuniform float screenHeight;\nuniform vec2 neighbours[NEIGHBOUR_COUNT];\nuniform float edlStrength;\nuniform float radius;\n\nvarying vec2 vUv;\n\nfloat response(float depth){\n\tvec2 uvRadius = radius / vec2(screenWidth, screenHeight);\n\t\n\tfloat sum = 0.0;\n\t\n\tfor(int i = 0; i < NEIGHBOUR_COUNT; i++){\n\t\tvec2 uvNeighbor = vUv + uvRadius * neighbours[i];\n\t\t\n\t\tfloat neighbourDepth = texture2D(uEDLMap, uvNeighbor).a;\n\n\t\tif(neighbourDepth != 0.0){\n\t\t\tif(depth == 0.0){\n\t\t\t\tsum += 100.0;\n\t\t\t}else{\n\t\t\t\tsum += max(0.0, depth - neighbourDepth);\n\t\t\t}\n\t\t}\n\t}\n\t\n\treturn sum / float(NEIGHBOUR_COUNT);\n}\n\nvoid main() {\n\n\tfloat edlDepth = texture2D(uEDLMap, vUv).a;\n\tfloat res = response(edlDepth);\n\tfloat shade = exp(-res * 300.0 * edlStrength);\n\n\tfloat depth = texture2D(uDepthMap, vUv).r;\n\tif(depth >= 1.0 && res == 0.0){\n\t\tdiscard;\n\t}\n\t\n\tvec4 color = texture2D(uWeightMap, vUv); \n\tcolor = color / color.w;\n\tcolor = color * shade;\n\n\tgl_FragColor = vec4(color.xyz, 1.0); \n\n\tgl_FragDepthEXT = depth;\n}",
        "edl.vs": "\nprecision mediump float;\nprecision mediump int;\n\nattribute vec3 position;\nattribute vec2 uv;\n\nuniform mat4 projectionMatrix;\nuniform mat4 modelViewMatrix;\n\nvarying vec2 vUv;\n\nvoid main() {\n\tvUv = uv;\n\t\n\tvec4 mvPosition = modelViewMatrix * vec4(position,1.0);\n\n\tgl_Position = projectionMatrix * mvPosition;\n}",
        "edl.fs": "\n#extension GL_EXT_frag_depth : enable\n\n// \n// adapted from the EDL shader code from Christian Boucheny in cloud compare:\n// https://github.com/cloudcompare/trunk/tree/master/plugins/qEDL/shaders/EDL\n//\n\nprecision mediump float;\nprecision mediump int;\n\n//uniform float screenWidth;\n//uniform float screenHeight;\nuniform vec2 resolution;\n\n\nuniform vec2 neighbours[NEIGHBOUR_COUNT];\nuniform float edlStrength;\nuniform float radius;\nuniform float opacity;\n\n//uniform float uNear;\n//uniform float uFar;\n\nuniform mat4 uProj;\n\nuniform sampler2D uEDLColor;\nuniform sampler2D uEDLDepth;\n\nvarying vec2 vUv;\n\nuniform int useEDL;\n\nfloat response(float depth){\n\tvec2 uvRadius = radius / resolution;             //vec2(screenWidth, screenHeight);\n\t\n\tfloat sum = 0.0;\n\t\n\tfor(int i = 0; i < NEIGHBOUR_COUNT; i++){\n\t\tvec2 uvNeighbor = vUv + uvRadius * neighbours[i];\n\t\t//获取周围八个格子的值\n\t\tfloat neighbourDepth = texture2D(uEDLColor, uvNeighbor).a;\n\t\tneighbourDepth = (neighbourDepth == 1.0) ? 0.0 : neighbourDepth;\n\n\t\tif(neighbourDepth != 0.0){\n\t\t\t//if(depth == 0.0){\n\t\t\t//\tsum += 100.0;\n\t\t\t//}else{\n\t\t\t\tsum += max(0.0, depth - neighbourDepth);  //获取差值\n\t\t\t//}\n\t\t}\n\t}\n\t\n\treturn sum / float(NEIGHBOUR_COUNT);\n}\n\nvoid main(){\n\tvec4 cEDL = texture2D(uEDLColor, vUv);\n\t\n\tfloat depth = cEDL.a;\n\tdepth = (depth == 1.0) ? 0.0 : depth;\n    \n    if(depth == 0.0){ //去掉这句就能在无点云像素的地方渲染outline，但会遮住其他mesh\n\t\tdiscard;\n\t}\n    \n    \n    if(useEDL == 1){\n        float res = response(depth);\n        \n        //if(depth == 0.0 && res == 0.0){   //test\n        //    discard;\n        //}\n         \n        float shade = exp(-res * 300.0 * edlStrength); //自然常数e为底的指数函数\n\n        gl_FragColor = vec4(cEDL.rgb * shade, opacity); \n        \n        //const vec3 outlineColor = vec3(1.0,0.0,0.0);//test -outline\n        //gl_FragColor = vec4(mix(cEDL.rgb, outlineColor, -res), opacity );\n    }else{//加  不改颜色的情况 \n        gl_FragColor = vec4(cEDL.rgb, opacity);\n    } \n    \n    \n    { // write regular hyperbolic depth values to depth buffer  修改深度\n        float dl = pow(2.0, depth);\n\n        vec4 dp = uProj * vec4(0.0, 0.0, -dl, 1.0);\n        float pz = dp.z / dp.w;\n        float fragDepth = (pz + 1.0) / 2.0;\n\n        gl_FragDepthEXT = fragDepth;\n    }\n\t\n}\n",
        "blur.vs": "\nvarying vec2 vUv;\n\nvoid main() {\n\tvUv = uv;\n\n\tgl_Position =   projectionMatrix * modelViewMatrix * vec4(position,1.0);\n}",
        "blur.fs": "\nuniform mat4 projectionMatrix;\n\nuniform float screenWidth;\nuniform float screenHeight;\nuniform float near;\nuniform float far;\n\nuniform sampler2D map;\n\nvarying vec2 vUv;\n\nvoid main() {\n\n\tfloat dx = 1.0 / screenWidth;\n\tfloat dy = 1.0 / screenHeight;\n\n\tvec3 color = vec3(0.0, 0.0, 0.0);\n\tcolor += texture2D(map, vUv + vec2(-dx, -dy)).rgb;\n\tcolor += texture2D(map, vUv + vec2(  0, -dy)).rgb;\n\tcolor += texture2D(map, vUv + vec2(+dx, -dy)).rgb;\n\tcolor += texture2D(map, vUv + vec2(-dx,   0)).rgb;\n\tcolor += texture2D(map, vUv + vec2(  0,   0)).rgb;\n\tcolor += texture2D(map, vUv + vec2(+dx,   0)).rgb;\n\tcolor += texture2D(map, vUv + vec2(-dx,  dy)).rgb;\n\tcolor += texture2D(map, vUv + vec2(  0,  dy)).rgb;\n\tcolor += texture2D(map, vUv + vec2(+dx,  dy)).rgb;\n\n\tcolor = color / 9.0;\n\t\n\tgl_FragColor = vec4(color, 1.0);\n}",
        "depthBasic.vs": "\n \n\nvarying vec2 vUv;\nvoid main() {\n    \n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n} \n ",
        "depthBasic.fs": "varying vec2 vUv;\nuniform float opacity;\n\nuniform vec3 baseColor;\nuniform vec3 backColor;\nuniform float occlusionDistance;\nuniform float clipDistance;\nuniform float maxClipFactor;\n\n\n#if defined use_map\n    uniform sampler2D map; \n#endif\n \n#if defined(GL_EXT_frag_depth) && defined(useDepth)  \n    //似乎通过gl.getExtension('EXT_frag_depth')得到的GL_EXT_frag_depth\n     \n    uniform sampler2D depthTexture;\n    uniform float nearPlane;\n    uniform float farPlane; \n    uniform vec2 resolution;\n    uniform vec2 viewportOffset; //  viewportOffset 范围从0-整个画布的像素\n    \n    float convertToLinear(float zValue)\n    {\n        float z = zValue * 2.0 - 1.0;\n        return (2.0 * nearPlane * farPlane) / (farPlane + nearPlane - z * (farPlane - nearPlane));\n    }\n#endif\n  \nvoid main() {\n  \n    \n    vec4 color = vec4(baseColor, opacity);\n    \n    \n    \n    #if defined(GL_EXT_frag_depth) && defined(useDepth)\n        // mixFactor and clipFactor define the color mixing proportion between the states of\n        // full visibility and occluded visibility\n        // and\n        // full visibility and total invisibility\n        \n        float mixFactor = 0.0;\n        float clipFactor = 0.0;\n        \n        \n        // The linear depth value of the current fragment\n        float fragDepth = convertToLinear(gl_FragCoord.z);\n\n        // The coordinates of the current fragment in the depth texture\n        vec2 depthTxtCoords = vec2(gl_FragCoord.x-viewportOffset.x,  gl_FragCoord.y - viewportOffset.y) / resolution;\n     \n        // The linear depth value of the pixel occupied by this fragment in the depth buffer\n        float textureDepth = convertToLinear(texture2D(depthTexture, depthTxtCoords).r);\n\n        // The difference between the two depths\n        float delta =  fragDepth - textureDepth;\n\n        if (delta > 0.0)//差距\n        {\n            // occlusionDistance and clipDistance define the width of the respective zones and\n            // mixFactor and clipFactor express the interpolation between the two colors depending on the position\n            // of the current fragment withing those zones.\n            \n            \n            mixFactor = clamp(delta / occlusionDistance, 0.0, 1.0);\n            clipFactor = clamp(delta / clipDistance, 0.0, maxClipFactor);\n        }\n        \n        // If the fragment is totally transparent, don't bother drawing it\n        if (clipFactor == 1.0)\n        {\n            discard;\n        }else{\n            \n            #if defined use_map\n                color = texture2D(map, vUv) * color; \n            #endif\n           \n            \n             \n            color = vec4(mix(color.rgb, backColor, mixFactor), color.a * (1.0 - clipFactor));\n        }\n         \n    #else\n        #if defined use_map\n            color = texture2D(map, vUv) * color;\n        #endif \n    #endif\n  \n    gl_FragColor = color;\n  \n}\n",
        "copyCubeMap.vs": "varying vec3 vWorldPos;\nvec3 transformAxis( vec3 direction ) //navvis->4dkk\n{\n    float y = direction.y;\n    direction.y = direction.z;\n    direction.z = -y;\n    return  direction;\n}\nvoid main() {\n  vWorldPos = vec3(-position.x, -position.y, position.z);\n  //vWorldPos = transformAxis(vWorldPos);\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n} \n ",
        "copyCubeMap.fs": "varying vec3 vWorldPos;\nuniform float alpha;\nuniform samplerCube tDiffuse;\n\n\nvoid main() {\n  vec4 texColor = textureCube(tDiffuse, vWorldPos);\n  gl_FragColor = vec4(texColor.rgb, texColor.a * alpha);\n} \n     ",
        "basicTextured.vs": "varying vec2 vUv;\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n} \n  ",
        "basicTextured.fs": "varying vec2 vUv;\nuniform float alpha;\nuniform sampler2D tDiffuse;\n\n\nvoid main() {\n  vec4 texColor = texture2D(tDiffuse, vUv);\n  gl_FragColor = vec4(texColor.rgb, texColor.a * alpha);\n}\n"
    }
      , Vp = document.createElement("canvas")
      , jp = function() {
        var i = Vp.getContext("webgl") || Vp.getContext("experimental-webgl");
        if (null === i)
            return null;
        var e = i.getShaderPrecisionFormat(i.VERTEX_SHADER, i.HIGH_FLOAT)
          , t = i.getShaderPrecisionFormat(i.VERTEX_SHADER, i.MEDIUM_FLOAT)
          , n = i.getShaderPrecisionFormat(i.FRAGMENT_SHADER, i.HIGH_FLOAT)
          , r = i.getShaderPrecisionFormat(i.FRAGMENT_SHADER, i.MEDIUM_FLOAT)
          , n = 0 < e.precision && 0 < n.precision
          , r = 0 < t.precision && 0 < r.precision
          , r = n ? "highp" : r ? "mediump" : "lowp";
        return {
            SHADER_INTERPOLATION: {
                isSupported: function() {
                    return i.getExtension("EXT_frag_depth") && 8 <= i.getParameter(i.MAX_VARYING_VECTORS)
                }
            },
            SHADER_SPLATS: {
                isSupported: function() {
                    return i.getExtension("EXT_frag_depth") && i.getExtension("OES_texture_float") && 8 <= i.getParameter(i.MAX_VARYING_VECTORS)
                }
            },
            SHADER_EDL: {
                isSupported: function() {
                    return i.getExtension("EXT_frag_depth") && i.getExtension("OES_texture_float") && 8 <= i.getParameter(i.MAX_VARYING_VECTORS)
                }
            },
            EXT_DEPTH: {
                isSupported: function() {
                    if (A.detectIOS()) {
                        var e = A.iosVersion()
                          , t = e.major
                          , n = e.minor
                          , e = e.patch;
                        if (15 == t && 4 == n && 1 == e)
                            return console.warn("检测到是ios15.4.1, 关闭EXT_frag_depth"),
                            !1
                    }
                    return i.getExtension("EXT_frag_depth")
                }
            },
            precision: r
        }
    }()
      , Wp = function() {
        y(s, Qr);
        var o = w(s);
        function s() {
            var n, e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, s);
            var t, i = viewer.renderer.getSize(new yn), r = i.width, a = i.height, i = {
                resolution: {
                    type: "v2",
                    value: new yn(r,a)
                },
                viewportOffset: {
                    type: "v2",
                    value: new yn(0,0)
                },
                nearPlane: {
                    type: "f",
                    value: .1
                },
                farPlane: {
                    type: "f",
                    value: 1e4
                },
                depthTexture: {
                    type: "t",
                    value: null
                },
                opacity: {
                    type: "f",
                    value: 1
                },
                map: {
                    type: "t",
                    value: e.map
                },
                baseColor: {
                    type: "v3",
                    value: e.color ? new Yi(e.color) : new Yi("#ffffff")
                },
                backColor: {
                    type: "v3",
                    value: e.backColor ? new Yi(e.backColor) : new Yi("#ddd")
                },
                clipDistance: {
                    type: "f",
                    value: e.clipDistance || 4
                },
                occlusionDistance: {
                    type: "f",
                    value: e.occlusionDistance || 1
                },
                maxClipFactor: {
                    type: "f",
                    value: e.maxClipFactor || 1
                }
            }, r = {}, a = e.useDepth && jp.EXT_DEPTH.isSupported();
            return a && (r.useDepth = ""),
            e.map && (r.use_map = ""),
            n = o.call(this, {
                uniforms: i,
                vertexShader: Hp["depthBasic.vs"],
                fragmentShader: Hp["depthBasic.fs"],
                depthWrite: !1,
                depthTest: !1,
                transparent: null == e.transparent || e.transparent,
                side: e.side || 0,
                defines: r
            }),
            null != e.opacity && (n.opacity = e.opacity),
            a && (n.useDepth_ = !0),
            n.useDepth && (t = function(e) {
                var t = e.viewport
                  , e = t.offset || new yn;
                n.uniforms.resolution.value.copy(t.resolution2),
                n.uniforms.viewportOffset.value.copy(e)
            }
            ,
            a = viewer.mainViewport,
            t({
                viewport: a
            }),
            viewer.addEventListener("resize", function(e) {
                n.useDepth && e.viewport && !e.viewport.camera.isPerspectiveCamera || t(e)
            }),
            viewer.addEventListener("render.begin", function(e) {
                e.viewport.camera.isPerspectiveCamera && n.updateDepthParams(e)
            }),
            n.updateDepthParams()),
            n
        }
        return h(s, [{
            key: "updateDepthParams",
            value: function() {
                var e, t;
                this.useDepth && (t = (e = (0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}).viewport || viewer.mainViewport).camera,
                this.uniforms.depthTexture.value = viewer.getPRenderer().getRtEDL(e).depthTexture,
                this.uniforms.nearPlane.value = t.near,
                this.uniforms.farPlane.value = t.far)
            }
        }, {
            key: "map",
            set: function(e) {
                this.uniforms.map.value = e
            }
        }, {
            key: "useDepth",
            get: function() {
                return this.useDepth_
            },
            set: function(e) {
                this.useDepth_ != e && (e && jp.EXT_DEPTH.isSupported() ? (this.defines.useDepth = "",
                this.updateDepthParams()) : delete this.defines.useDepth,
                this.useDepth_ = e,
                this.needsUpdate = !0)
            }
        }, {
            key: "opacity",
            get: function() {
                return this.uniforms.opacity.value
            },
            set: function(e) {
                this.uniforms && (this.uniforms.opacity.value = e)
            }
        }]),
        s
    }()
      , Xp = new ua(1,1)
      , qp = function() {
        y(a, Hr);
        var r = w(a);
        function a(e) {
            var t;
            O(this, a),
            (t = r.call(this, Xp, e.mat || new Wp({
                map: e.map,
                useDepth: e.useDepth
            }))).root = e.root || g(t),
            t.renderOrder = null != e.renderOrder ? e.renderOrder : 4,
            t.pickOrder = e.pickOrder || 0,
            t.sizeInfo = e.sizeInfo,
            t.dontFixOrient = e.dontFixOrient,
            t.root.matrixAutoUpdate = !1,
            t.matrixMap = new Map,
            t.name = e.name || "sprite",
            t.useViewport = null,
            t.viewports = e.viewports,
            t.visible_ = !0;
            function n(e) {
                t.update(e)
            }
            viewer.mapViewer && viewer.mapViewer.addEventListener("camera_changed", n),
            viewer.addEventListener("camera_changed", n);
            function i(e) {
                t.applyMatrix(e)
            }
            return viewer.addEventListener("raycaster", i),
            viewer.addEventListener("render.begin", i),
            t.addEventListener("dispose", function() {
                viewer.mapViewer && viewer.mapViewer.removeEventListener("camera_changed", n),
                viewer.removeEventListener("camera_changed", n),
                viewer.removeEventListener("raycaster", i),
                viewer.removeEventListener("render.begin", i),
                t.dispose()
            }),
            t
        }
        return h(a, [{
            key: "visible",
            get: function() {
                return this.visible_
            },
            set: function(e) {
                (this.visible_ = e) && this.update()
            }
        }, {
            key: "update",
            value: function(e) {
                var t, n, i, r = this;
                e ? this.visible && this.root && (this.viewports && !this.viewports.includes(e.viewport) || "magnifier" != e.viewport.name && (i = e.viewport.camera,
                this.dontFixOrient || this.root.quaternion.copy(i.quaternion),
                (t = this.sizeInfo) && (this.root.updateMatrix(),
                this.root.updateMatrixWorld(!0),
                i = t.restricMeshScale ? (n = i.position.distanceTo(this.root.getWorldPosition(new Cn))) < t.nearBound ? t.scale * n / t.nearBound : t.scale : Up.getScaleForConstantSize($.extend(t, {
                    camera: i,
                    position: this.root.getWorldPosition(new Cn),
                    resolution: e.viewport.resolution
                })),
                isNaN(i) || this.root.scale.set(i, i, i)),
                this.root.updateMatrix(),
                this.root.updateMatrixWorld(!0),
                this.matrixMap.set(e.viewport, this.root.matrix.clone()),
                this.useViewport = e.viewport)) : (this.viewports || viewer.viewports).forEach(function(e) {
                    r.update({
                        viewport: e
                    })
                })
            }
        }, {
            key: "applyMatrix",
            value: function(e) {
                var t;
                "magnifier" != (e = e || {
                    viewport: viewer.mainViewport
                }).viewport.name && (this.viewports && !this.viewports.includes(e.viewport) || this.visible && this.root && ((t = this.matrixMap.get(e.viewport)) || (this.update(e),
                t = this.matrixMap.get(e.viewport)),
                e.viewport != this.useViewport && (this.useViewport = e.viewport,
                this.root.matrix.copy(t),
                this.root.updateMatrixWorld(!0))))
            }
        }, {
            key: "setUniforms",
            value: function(e, t) {
                this.material.setUniforms(e, t)
            }
        }, {
            key: "dispose",
            value: function() {
                this.removeAllListeners(),
                this.parent && this.parent.remove(this)
            }
        }]),
        a
    }()
      , Jp = function() {
        y(r, Si);
        var i = w(r);
        function r() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, r);
            var t = i.call(this)
              , n = new En;
            return n.minFilter = Oe,
            n.magFilter = Oe,
            t.sprite = new qp(Object.assign({
                root: g(t)
            }, e, {
                map: n
            })),
            t.add(t.sprite),
            t.fontWeight = null == e.fontWeight ? "Bold" : e.fontWeight,
            t.rectBorderThick = e.rectBorderThick || 0,
            t.textBorderThick = e.textBorderThick || 0,
            t.fontface = "Arial",
            t.fontsize = e.fontsize || 16,
            t.textBorderColor = e.textBorderColor || {
                r: 0,
                g: 0,
                b: 0,
                a: 0
            },
            t.backgroundColor = e.backgroundColor || {
                r: 255,
                g: 255,
                b: 255,
                a: 1
            },
            t.textColor = e.textColor || {
                r: 0,
                g: 0,
                b: 0,
                a: 1
            },
            t.borderColor = e.borderColor || {
                r: 0,
                g: 0,
                b: 0,
                a: 0
            },
            t.borderRadius = e.borderRadius || 6,
            null != e.text && t.setText(e.text),
            t.name = e.name,
            t.addEventListener("dispose", t.dispose.bind(g(t))),
            t
        }
        return h(r, [{
            key: "setText",
            value: function(e) {
                this.text !== e && (this.text = e + "",
                this.updateTexture())
            }
        }, {
            key: "setTextColor",
            value: function(e) {
                this.textColor = e,
                this.updateTexture()
            }
        }, {
            key: "setBorderColor",
            value: function(e) {
                this.borderColor = e,
                this.updateTexture()
            }
        }, {
            key: "setBackgroundColor",
            value: function(e) {
                this.backgroundColor = e,
                this.updateTexture()
            }
        }, {
            key: "setPos",
            value: function(e) {
                this.position.copy(e),
                this.sprite.update()
            }
        }, {
            key: "update",
            value: function() {
                this.sprite.update()
            }
        }, {
            key: "setVisible",
            value: function(e) {
                this.visible = e
            }
        }, {
            key: "setUniforms",
            value: function(e, t) {
                this.sprite.setUniforms(e, t)
            }
        }, {
            key: "updateTexture",
            value: function() {
                var e = document.createElement("canvas")
                  , t = e.getContext("2d");
                t.font = this.fontWeight + " " + this.fontsize + "px " + this.fontface;
                var n = t.measureText(this.text).width
                  , i = new yn(this.fontsize,Math.max(.4 * this.fontsize, 10))
                  , r = 2 * i.x + n + 2 * this.rectBorderThick
                  , n = 2 * i.y + this.fontsize + 2 * this.rectBorderThick;
                t.canvas.width = r,
                t.canvas.height = n,
                t.font = this.fontWeight + " " + this.fontsize + "px " + this.fontface;
                t.textBaseline = "middle",
                t.strokeStyle = "rgba(" + this.borderColor.r + "," + this.borderColor.g + "," + this.borderColor.b + "," + this.borderColor.a + ")",
                t.lineWidth = this.rectBorderThick,
                t.fillStyle = "rgba(" + this.backgroundColor.r + "," + this.backgroundColor.g + "," + this.backgroundColor.b + "," + this.backgroundColor.a + ")",
                this.roundRect(t, this.rectBorderThick / 2, this.rectBorderThick / 2, r - this.rectBorderThick, n - this.rectBorderThick, this.borderRadius),
                this.textBorderThick && (t.strokeStyle = "rgba(" + this.textBorderColor.r + "," + this.textBorderColor.g + "," + this.textBorderColor.b + "," + this.textBorderColor.a + ")",
                t.lineWidth = this.textBorderThick,
                t.strokeText(this.text, this.rectBorderThick + i.x, n / 2 + 2)),
                t.fillStyle = "rgba(" + this.textColor.r + "," + this.textColor.g + "," + this.textColor.b + "," + this.textColor.a + ")",
                t.fillText(this.text, this.rectBorderThick + i.x, n / 2 + 2);
                e = new En(e);
                e.minFilter = Oe,
                e.magFilter = Oe,
                e.needsUpdate = !0,
                this.sprite.material.map && this.sprite.material.map.dispose(),
                this.sprite.material.map = e,
                this.sprite.scale.set(.01 * r, .01 * n, 1)
            }
        }, {
            key: "roundRect",
            value: function(e, t, n, i, r, a) {
                e.beginPath(),
                e.moveTo(t + a, n),
                e.lineTo(t + i - a, n),
                e.arcTo(t + i, n, t + i, n + a, a),
                e.lineTo(t + i, n + r - a),
                e.arcTo(t + i, n + r, t + i - a, n + r, a),
                e.lineTo(t + a, n + r),
                e.arcTo(t, n + r, t, n + r - a, a),
                e.lineTo(t, n + a),
                e.arcTo(t, n, t + a, n, a),
                e.closePath(),
                e.fill(),
                e.stroke()
            }
        }, {
            key: "dispose",
            value: function() {
                this.sprite.material.uniforms.map.value.dispose(),
                this.parent && this.parent.remove(this),
                this.sprite.dispatchEvent({
                    type: "dispose"
                }),
                this.removeAllListeners()
            }
        }]),
        r
    }()
      , Yp = function() {
        y(i, Si);
        var n = w(i);
        function i() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return O(this, i),
            "Volume" === (e = n.call(this)).constructor.name && console.warn("Can't create object of class Volume directly. Use classes BoxVolume or SphereVolume instead."),
            e._clip = t.clip || !1,
            e._visible = !0,
            e._modifiable = t.modifiable || !0,
            e.addEventListener("select", function(e) {}),
            e.addEventListener("deselect", function(e) {}),
            e
        }
        return h(i, [{
            key: "visible",
            get: function() {
                return this._visible
            },
            set: function(e) {
                this._visible !== e && (this._visible = e,
                this.dispatchEvent({
                    type: "visibility_changed",
                    object: this
                }))
            }
        }, {
            key: "getVolume",
            value: function() {
                console.warn("override this in subclass")
            }
        }, {
            key: "update",
            value: function() {}
        }, {
            key: "raycast",
            value: function(e, t) {}
        }, {
            key: "clip",
            get: function() {
                return this._clip
            },
            set: function(e) {
                this._clip !== e && (this._clip = e,
                this.update(),
                this.dispatchEvent({
                    type: "clip_changed",
                    object: this
                }))
            }
        }, {
            key: "modifieable",
            get: function() {
                return this._modifiable
            },
            set: function(e) {
                this._modifiable = e,
                this.update()
            }
        }]),
        i
    }()
      , Zp = function() {
        y(a, Yp);
        var r = w(a);
        function a() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, a),
            (e = r.call(this, t)).constructor.counter = void 0 === e.constructor.counter ? 0 : e.constructor.counter + 1,
            e.name = "box_" + e.constructor.counter;
            var n = new Cl(1,1,1);
            n.computeBoundingBox();
            var i = new Sl
              , t = Cn;
            return i.vertices.push(new t(-.5,-.5,.5), new t(.5,-.5,.5), new t(.5,-.5,.5), new t(.5,-.5,-.5), new t(.5,-.5,-.5), new t(-.5,-.5,-.5), new t(-.5,-.5,-.5), new t(-.5,-.5,.5), new t(-.5,.5,.5), new t(.5,.5,.5), new t(.5,.5,.5), new t(.5,.5,-.5), new t(.5,.5,-.5), new t(-.5,.5,-.5), new t(-.5,.5,-.5), new t(-.5,.5,.5), new t(-.5,-.5,.5), new t(-.5,.5,.5), new t(.5,-.5,.5), new t(.5,.5,.5), new t(.5,-.5,-.5), new t(.5,.5,-.5), new t(-.5,-.5,-.5), new t(-.5,.5,-.5)),
            e.material = new $i({
                color: 65280,
                transparent: !0,
                opacity: .3,
                depthTest: !0,
                depthWrite: !1
            }),
            e.box = new Hr(n,e.material),
            e.box.geometry.computeBoundingBox(),
            e.boundingBox = e.box.geometry.boundingBox,
            e.add(e.box),
            e.frame = new cl(i,new tl({
                color: 0
            })),
            e.add(e.frame),
            viewer.setObjectLayers(g(e), "volume"),
            e.update(),
            e
        }
        return h(a, [{
            key: "update",
            value: function() {
                this.boundingBox = this.box.geometry.boundingBox,
                this.boundingSphere = this.boundingBox.getBoundingSphere(new qn),
                this._clip ? this.box.visible = !1 : this.box.visible = !0
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                var n = [];
                this.box.raycast(e, n),
                0 < n.length && t.push({
                    distance: (n = n[0]).distance,
                    object: this,
                    point: n.point.clone()
                })
            }
        }, {
            key: "getVolume",
            value: function() {
                return Math.abs(this.scale.x * this.scale.y * this.scale.z)
            }
        }]),
        a
    }()
      , Qp = function() {
        y(_, Yp);
        var E = w(_);
        function _() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, _),
            (e = E.call(this, t)).constructor.counter = void 0 === e.constructor.counter ? 0 : e.constructor.counter + 1,
            e.name = "sphere_" + e.constructor.counter;
            var n = new Su(1,32,32);
            n.computeBoundingBox(),
            e.material = new $i({
                color: 65280,
                transparent: !0,
                opacity: .3,
                depthTest: !0,
                depthWrite: !1
            }),
            e.sphere = new Hr(n,e.material),
            e.sphere.visible = !1,
            e.sphere.geometry.computeBoundingBox(),
            e.boundingBox = e.sphere.geometry.boundingBox,
            e.add(e.sphere);
            for (var i = new Sl, r = 0; r < 8; r++)
                for (var a = r / 8 * Math.PI * 2, o = Math.cos(a), s = Math.sin(a), l = 0; l <= 64; l++) {
                    var u = l / 64 * Math.PI * 2
                      , c = u + 2 * Math.PI / 64
                      , d = Math.sin(u)
                      , h = Math.cos(u)
                      , u = Math.sin(c)
                      , c = Math.cos(c)
                      , d = new Cn(o * h,s * h,d);
                    i.vertices.push(d);
                    u = new Cn(o * c,s * c,u);
                    i.vertices.push(u)
                }
            for (var p = 0; p <= 6; p++) {
                var f = (1 - (f = p / 6)) * (-Math.PI / 2) + f * (Math.PI / 2)
                  , m = Math.sin(f);
                console.log(f, m);
                for (var v = 0; v <= 64; v++) {
                    var g = v / 64 * Math.PI * 2
                      , y = g + 2 * Math.PI / 64
                      , w = Math.cos(g)
                      , b = Math.sin(g)
                      , x = Math.cos(y)
                      , g = Math.sin(y)
                      , y = Math.sqrt(1 - m * m)
                      , b = new Cn(w * y,b * y,m);
                    i.vertices.push(b);
                    y = new Cn(x * y,g * y,m);
                    i.vertices.push(y)
                }
            }
            e.frame = new cl(i,new tl({
                color: 0
            })),
            e.add(e.frame);
            t = new $i({
                wireframe: !0,
                color: 0
            });
            return e.frame = new Hr(n,t),
            e.update(),
            e
        }
        return h(_, [{
            key: "update",
            value: function() {
                this.boundingBox = this.sphere.geometry.boundingBox,
                this.boundingSphere = this.boundingBox.getBoundingSphere(new qn)
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                var n = [];
                this.sphere.raycast(e, n),
                0 < n.length && t.push({
                    distance: (n = n[0]).distance,
                    object: this,
                    point: n.point.clone()
                })
            }
        }, {
            key: "getVolume",
            value: function() {
                return 4 / 3 * Math.PI * this.scale.x * this.scale.y * this.scale.z
            }
        }]),
        _
    }()
      , Kp = function() {
        y(n, Si);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).constructor.counter = void 0 === e.constructor.counter ? 0 : e.constructor.counter + 1,
            e.name = "Profile_" + e.constructor.counter,
            e.points = [],
            e.spheres = [],
            e.edges = [],
            e.boxes = [],
            e.width = 1,
            e.height = 20,
            e._modifiable = !0,
            e.sphereGeometry = new Su(.4,10,10),
            e.color = new Yi(16711680),
            e.lineColor = new Yi(16711680),
            e
        }
        return h(n, [{
            key: "createSphereMaterial",
            value: function() {
                return new qu({
                    color: 16711680,
                    depthTest: !1,
                    depthWrite: !1
                })
            }
        }, {
            key: "getSegments",
            value: function() {
                for (var e = [], t = 0; t < this.points.length - 1; t++) {
                    var n = this.points[t].clone()
                      , i = this.points[t + 1].clone();
                    e.push({
                        start: n,
                        end: i
                    })
                }
                return e
            }
        }, {
            key: "getSegmentMatrices",
            value: function() {
                var e, t = [], n = ue(this.getSegments());
                try {
                    for (n.s(); !(e = n.n()).done; ) {
                        var i = e.value
                          , r = i.start
                          , a = i.end
                          , o = new Si
                          , s = void 0;
                        window.axisYup ? (s = r.clone().setY(0).distanceTo(a.clone().setY(0)),
                        o.scale.set(s, 1e4, this.width)) : (s = r.clone().setZ(0).distanceTo(a.clone().setZ(0)),
                        o.scale.set(s, 1e4, this.width),
                        o.up.set(0, 0, 1));
                        var l = (new Cn).addVectors(r, a).multiplyScalar(.5)
                          , u = (new Cn).subVectors(a, r)
                          , c = new Cn(u.y,-u.x,0);
                        o.position.set(0, 0, 0),
                        o.lookAt(c),
                        o.position.copy(l),
                        o.updateMatrixWorld(),
                        t.push(o.matrixWorld)
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                return t
            }
        }, {
            key: "addMarker",
            value: function(e) {
                var n = this;
                this.points.push(e);
                var t, i, r = new Hr(this.sphereGeometry,this.createSphereMaterial());
                this.add(r),
                this.spheres.push(r),
                1 < this.points.length && ((t = new Sl).vertices.push(new Cn, new Cn),
                t.colors.push(this.lineColor, this.lineColor, this.lineColor),
                (i = new tl({
                    vertexColors: 2,
                    lineWidth: 2,
                    transparent: !0,
                    opacity: .4
                })).depthTest = !1,
                (i = new sl(t,i)).visible = !1,
                this.add(i),
                this.edges.push(i),
                (i = new Hr(new Cl(1,1,1),new $i({
                    color: 16711680,
                    transparent: !0,
                    opacity: .2
                }))).visible = !1,
                this.add(i),
                this.boxes.push(i));
                r.addEventListener("drag", function(e) {
                    var t = Jf.getMousePointCloudIntersection(e.drag.end, e.viewer.scene.getActiveCamera(), e.viewer, e.viewer.scene.pointclouds);
                    !t || -1 !== (e = n.spheres.indexOf(e.drag.object)) && n.setPosition(e, t.location)
                }),
                r.addEventListener("drop", function(e) {
                    e = n.spheres.indexOf(e.drag.object);
                    -1 !== e && n.dispatchEvent({
                        type: "marker_dropped",
                        profile: n,
                        index: e
                    })
                }),
                r.addEventListener("mouseover", function(e) {
                    return e.object.material.emissive.setHex(8947848)
                }),
                r.addEventListener("mouseleave", function(e) {
                    return e.object.material.emissive.setHex(0)
                }),
                this.dispatchEvent({
                    type: "marker_added",
                    profile: this,
                    sphere: r
                }),
                this.setPosition(this.points.length - 1, e)
            }
        }, {
            key: "removeMarker",
            value: function(e) {
                this.points.splice(e, 1),
                this.remove(this.spheres[e]);
                var t = 0 === e ? 0 : e - 1;
                this.remove(this.edges[t]),
                this.edges.splice(t, 1),
                this.remove(this.boxes[t]),
                this.boxes.splice(t, 1),
                this.spheres.splice(e, 1),
                this.update(),
                this.dispatchEvent({
                    type: "marker_removed",
                    profile: this
                })
            }
        }, {
            key: "setPosition",
            value: function(e, t) {
                var n = this.points[e];
                n.copy(t);
                n = {
                    type: "marker_moved",
                    profile: this,
                    index: e,
                    position: n.clone()
                };
                this.dispatchEvent(n),
                this.update()
            }
        }, {
            key: "setWidth",
            value: function(e) {
                this.width = e,
                this.dispatchEvent({
                    type: "width_changed",
                    profile: this,
                    width: e
                }),
                this.update()
            }
        }, {
            key: "getWidth",
            value: function() {
                return this.width
            }
        }, {
            key: "update",
            value: function() {
                if (0 !== this.points.length)
                    if (1 !== this.points.length) {
                        for (var e = this.points[0].clone(), t = this.points[0].clone(), n = new Cn, i = this.points.length - 1, r = 0; r <= i; r++) {
                            var a = this.points[r]
                              , o = this.spheres[r]
                              , s = 0 === r ? i : r - 1
                              , l = this.points[s]
                              , u = this.edges[s]
                              , c = this.edges[r]
                              , s = this.boxes[s];
                            o.position.copy(a),
                            this._modifiable ? o.visible = !0 : o.visible = !1,
                            u && (u.geometry.vertices[1].copy(a),
                            u.geometry.verticesNeedUpdate = !0,
                            u.geometry.computeBoundingSphere()),
                            c && (c.geometry.vertices[0].copy(a),
                            c.geometry.verticesNeedUpdate = !0,
                            c.geometry.computeBoundingSphere()),
                            s && (u = l,
                            c = a,
                            l = void 0,
                            window.axisYup ? l = u.clone().setY(0).distanceTo(c.clone().setY(0)) : (l = u.clone().setZ(0).distanceTo(c.clone().setZ(0)),
                            s.up.set(0, 0, 1)),
                            s.scale.set(l, 1e6, this.width),
                            l = (new Cn).addVectors(u, c).multiplyScalar(.5),
                            u = (new Cn).subVectors(c, u),
                            u = new Cn(u.y,-u.x,0),
                            s.position.set(0, 0, 0),
                            s.lookAt(u),
                            s.position.copy(l)),
                            n.add(a),
                            e.min(a),
                            t.max(a)
                        }
                        n.multiplyScalar(1 / this.points.length);
                        for (var d = 0; d < this.boxes.length; d++)
                            this.boxes[d].position.z = e.z + (t.z - e.z) / 2
                    } else {
                        var h = this.points[0];
                        this.spheres[0].position.copy(h)
                    }
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                for (var n = 0; n < this.points.length; n++)
                    this.spheres[n].raycast(e, t);
                for (var i = 0; i < t.length; i++) {
                    var r = t[i];
                    r.distance = e.ray.origin.distanceTo(r.point)
                }
                t.sort(function(e, t) {
                    return e.distance - t.distance
                })
            }
        }, {
            key: "modifiable",
            get: function() {
                return this._modifiable
            },
            set: function(e) {
                this._modifiable = e,
                this.update()
            }
        }]),
        n
    }()
      , $p = function() {
        y(r, hn);
        var i = w(r);
        function r() {
            var t, e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, r),
            (t = i.call(this)).position = e.pos,
            t.text = e.text || "",
            t.elem = $('<div class="hide"><a></a></div>'),
            e.className && t.elem.addClass(e.className),
            t.elem.find("a").html(t.text),
            $("#potree_labels").append(t.elem),
            t.pos2d = new Cn,
            t.dom = e.dom || viewer.renderArea,
            t.camera = e.camera || viewer.scene.getActiveCamera();
            function n(e) {
                t.update(e)
            }
            return viewer.addEventListener("camera_changed", n),
            t.addEventListener("dispose", function() {
                viewer.removeEventListener("camera_changed", n),
                t.dispose()
            }),
            t
        }
        return h(r, [{
            key: "update",
            value: function() {
                var e;
                this.position && !this.elem.hasClass("unvisible") && ((e = Jf.getPos2d(this.position, this.camera, this.dom, viewer.mainViewport)).trueSide ? (this.elem.css({
                    left: e.pos.x + "px",
                    top: e.pos.y + "px"
                }),
                this.elem.removeClass("hide"),
                this.pos2d = e.vector) : this.elem.addClass("hide"))
            }
        }, {
            key: "setVisible",
            value: function(e) {
                e ? (this.elem.removeClass("unvisible"),
                this.update()) : this.elem.addClass("unvisible")
            }
        }, {
            key: "setText",
            value: function(e) {
                this.text = e || "",
                this.elem.find("a").html(this.text)
            }
        }, {
            key: "setPos",
            value: function(e) {
                this.position = e
            }
        }, {
            key: "dispose",
            value: function() {
                this.elem.remove(),
                this.removeAllListeners()
            }
        }]),
        r
    }()
      , ef = new kn
      , tf = new Cn
      , nf = function() {
        y(n, ud);
        var t = w(n);
        function n() {
            var e;
            O(this, n),
            (e = t.call(this)).isLineSegmentsGeometry = !0,
            e.type = "LineSegmentsGeometry";
            return e.setIndex([0, 2, 1, 2, 3, 1, 2, 4, 3, 4, 5, 3, 4, 6, 5, 6, 7, 5]),
            e.setAttribute("position", new dr([-1, 2, 0, 1, 2, 0, -1, 1, 0, 1, 1, 0, -1, 0, 0, 1, 0, 0, -1, -1, 0, 1, -1, 0],3)),
            e.setAttribute("uv", new dr([-1, 2, 1, 2, -1, 1, 1, 1, -1, -1, 1, -1, -1, -2, 1, -2],2)),
            e
        }
        return h(n, [{
            key: "applyMatrix4",
            value: function(e) {
                var t = this.attributes.instanceStart
                  , n = this.attributes.instanceEnd;
                return void 0 !== t && (t.applyMatrix4(e),
                n.applyMatrix4(e),
                t.needsUpdate = !0),
                null !== this.boundingBox && this.computeBoundingBox(),
                null !== this.boundingSphere && this.computeBoundingSphere(),
                this
            }
        }, {
            key: "setPositions",
            value: function(e) {
                e instanceof Float32Array ? t = e : Array.isArray(e) && (t = new Float32Array(e));
                var t = new ah(t,6,1);
                return this.setAttribute("instanceStart", new xs(t,3,0)),
                this.setAttribute("instanceEnd", new xs(t,3,3)),
                this.computeBoundingBox(),
                this.computeBoundingSphere(),
                this
            }
        }, {
            key: "setColors",
            value: function(e) {
                e instanceof Float32Array ? t = e : Array.isArray(e) && (t = new Float32Array(e));
                var t = new ah(t,6,1);
                return this.setAttribute("instanceColorStart", new xs(t,3,0)),
                this.setAttribute("instanceColorEnd", new xs(t,3,3)),
                this
            }
        }, {
            key: "fromWireframeGeometry",
            value: function(e) {
                return this.setPositions(e.attributes.position.array),
                this
            }
        }, {
            key: "fromEdgesGeometry",
            value: function(e) {
                return this.setPositions(e.attributes.position.array),
                this
            }
        }, {
            key: "fromMesh",
            value: function(e) {
                return this.fromWireframeGeometry(new zu(e.geometry)),
                this
            }
        }, {
            key: "fromLineSegments",
            value: function(e) {
                e = e.geometry;
                return this.setPositions(e.attributes.position.array),
                this
            }
        }, {
            key: "computeBoundingBox",
            value: function() {
                null === this.boundingBox && (this.boundingBox = new kn);
                var e = this.attributes.instanceStart
                  , t = this.attributes.instanceEnd;
                void 0 !== e && void 0 !== t && (this.boundingBox.setFromBufferAttribute(e),
                ef.setFromBufferAttribute(t),
                this.boundingBox.union(ef))
            }
        }, {
            key: "computeBoundingSphere",
            value: function() {
                null === this.boundingSphere && (this.boundingSphere = new qn),
                null === this.boundingBox && this.computeBoundingBox();
                var e = this.attributes.instanceStart
                  , t = this.attributes.instanceEnd;
                if (void 0 !== e && void 0 !== t) {
                    var n = this.boundingSphere.center;
                    this.boundingBox.getCenter(n);
                    for (var i = 0, r = 0, a = e.count; r < a; r++)
                        tf.fromBufferAttribute(e, r),
                        i = Math.max(i, n.distanceToSquared(tf)),
                        tf.fromBufferAttribute(t, r),
                        i = Math.max(i, n.distanceToSquared(tf));
                    this.boundingSphere.radius = Math.sqrt(i),
                    isNaN(this.boundingSphere.radius) && console.error("THREE.LineSegmentsGeometry.computeBoundingSphere(): Computed radius is NaN. The instanced position data is likely to have NaN values.", this)
                }
            }
        }, {
            key: "toJSON",
            value: function() {}
        }, {
            key: "applyMatrix",
            value: function(e) {
                return console.warn("THREE.LineSegmentsGeometry: applyMatrix() has been renamed to applyMatrix4()."),
                this.applyMatrix4(e)
            }
        }]),
        n
    }();
    da.line = {
        worldUnits: {
            value: 1
        },
        lineWidth: {
            value: 1
        },
        resolution: {
            value: new yn(1,1)
        },
        viewportOffset: {
            value: new yn(0,0)
        },
        dashScale: {
            value: 1
        },
        dashSize: {
            value: 1
        },
        dashOffset: {
            value: 0
        },
        gapSize: {
            value: 1
        },
        opacity: {
            value: 1
        },
        backColor: {
            type: "v3",
            value: new Yi("#ddd")
        },
        clipDistance: {
            type: "f",
            value: 4
        },
        occlusionDistance: {
            type: "f",
            value: 1
        },
        maxClipFactor: {
            type: "f",
            value: 1
        },
        depthTexture: {
            value: null
        },
        nearPlane: {
            value: .1
        },
        farPlane: {
            value: 1e5
        }
    },
    ha.line = {
        uniforms: Jr.merge([da.common, da.fog, da.line]),
        vertexShader: "\n\t\t#include <common>\n\t\t#include <color_pars_vertex>\n\t\t#include <fog_pars_vertex>\n\t\t#include <logdepthbuf_pars_vertex>\n\t\t#include <clipping_planes_pars_vertex>\n\n\t\tuniform float lineWidth;\n\t\tuniform vec2 resolution;\n\n\t\tattribute vec3 instanceStart;\n\t\tattribute vec3 instanceEnd;\n\n\t\tattribute vec3 instanceColorStart;\n\t\tattribute vec3 instanceColorEnd;\n\n\t\t#ifdef WORLD_UNITS\n\n\t\t\tvarying vec4 worldPos;\n\t\t\tvarying vec3 worldStart;\n\t\t\tvarying vec3 worldEnd;\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tvarying vec2 vUv;\n\n\t\t\t#endif\n\n\t\t#else\n\n\t\t\tvarying vec2 vUv;\n\n\t\t#endif\n\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashScale;\n\t\t\tattribute float instanceDistanceStart;\n\t\t\tattribute float instanceDistanceEnd;\n\t\t\tvarying float vLineDistance;\n\n\t\t#endif\n\n\t\tvoid trimSegment( const in vec4 start, inout vec4 end ) {\n\n\t\t\t// trim end segment so it terminates between the camera plane and the near plane\n\n\t\t\t// conservative estimate of the near plane\n\t\t\tfloat a = projectionMatrix[ 2 ][ 2 ]; // 3nd entry in 3th column\n\t\t\tfloat b = projectionMatrix[ 3 ][ 2 ]; // 3nd entry in 4th column\n\t\t\tfloat nearEstimate = - 0.5 * b / a;\n\n\t\t\tfloat alpha = ( nearEstimate - start.z ) / ( end.z - start.z );\n\n\t\t\tend.xyz = mix( start.xyz, end.xyz, alpha );\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\t#ifdef USE_COLOR\n\n\t\t\t\tvColor.xyz = ( position.y < 0.5 ) ? instanceColorStart : instanceColorEnd;\n\n\t\t\t#endif\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tvLineDistance = ( position.y < 0.5 ) ? dashScale * instanceDistanceStart : dashScale * instanceDistanceEnd;\n\t\t\t\tvUv = uv;\n\n\t\t\t#endif\n\n\t\t\tfloat aspect = resolution.x / resolution.y;\n\n\t\t\t// camera space\n\t\t\tvec4 start = modelViewMatrix * vec4( instanceStart, 1.0 );\n\t\t\tvec4 end = modelViewMatrix * vec4( instanceEnd, 1.0 );\n\n\t\t\t#ifdef WORLD_UNITS\n\n\t\t\t\tworldStart = start.xyz;\n\t\t\t\tworldEnd = end.xyz;\n\n\t\t\t#else\n\n\t\t\t\tvUv = uv;\n\n\t\t\t#endif\n\n\t\t\t// special case for perspective projection, and segments that terminate either in, or behind, the camera plane\n\t\t\t// clearly the gpu firmware has a way of addressing this issue when projecting into ndc space\n\t\t\t// but we need to perform ndc-space calculations in the shader, so we must address this issue directly\n\t\t\t// perhaps there is a more elegant solution -- WestLangley\n\n\t\t\tbool perspective = ( projectionMatrix[ 2 ][ 3 ] == - 1.0 ); // 4th entry in the 3rd column\n\n\t\t\tif ( perspective ) {\n\n\t\t\t\tif ( start.z < 0.0 && end.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( start, end );\n\n\t\t\t\t} else if ( end.z < 0.0 && start.z >= 0.0 ) {\n\n\t\t\t\t\ttrimSegment( end, start );\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// clip space\n\t\t\tvec4 clipStart = projectionMatrix * start;\n\t\t\tvec4 clipEnd = projectionMatrix * end;\n\n\t\t\t// ndc space\n\t\t\tvec3 ndcStart = clipStart.xyz / clipStart.w;\n\t\t\tvec3 ndcEnd = clipEnd.xyz / clipEnd.w;\n\n\t\t\t// direction\n\t\t\tvec2 dir = ndcEnd.xy - ndcStart.xy;\n\n\t\t\t// account for clip-space aspect ratio\n\t\t\tdir.x *= aspect;\n\t\t\tdir = normalize( dir );\n\n\t\t\t#ifdef WORLD_UNITS\n\n\t\t\t\t// get the offset direction as perpendicular to the view vector\n\t\t\t\tvec3 worldDir = normalize( end.xyz - start.xyz );\n\t\t\t\tvec3 offset;\n\t\t\t\tif ( position.y < 0.5 ) {\n\n\t\t\t\t\toffset = normalize( cross( start.xyz, worldDir ) );\n\n\t\t\t\t} else {\n\n\t\t\t\t\toffset = normalize( cross( end.xyz, worldDir ) );\n\n\t\t\t\t}\n\n\t\t\t\t// sign flip\n\t\t\t\tif ( position.x < 0.0 ) offset *= - 1.0;\n\n\t\t\t\tfloat forwardOffset = dot( worldDir, vec3( 0.0, 0.0, 1.0 ) );\n\n\t\t\t\t// don't extend the line if we're rendering dashes because we\n\t\t\t\t// won't be rendering the endcaps\n\t\t\t\t#ifndef USE_DASH\n\n\t\t\t\t\t// extend the line bounds to encompass  endcaps\n\t\t\t\t\tstart.xyz += - worldDir * lineWidth * 0.5;\n\t\t\t\t\tend.xyz += worldDir * lineWidth * 0.5;\n\n\t\t\t\t\t// shift the position of the quad so it hugs the forward edge of the line\n\t\t\t\t\toffset.xy -= dir * forwardOffset;\n\t\t\t\t\toffset.z += 0.5;\n\n\t\t\t\t#endif\n\n\t\t\t\t// endcaps\n\t\t\t\tif ( position.y > 1.0 || position.y < 0.0 ) {\n\n\t\t\t\t\toffset.xy += dir * 2.0 * forwardOffset;\n\n\t\t\t\t}\n\n\t\t\t\t// adjust for lineWidth\n\t\t\t\toffset *= lineWidth * 0.5;\n\n\t\t\t\t// set the world position\n\t\t\t\tworldPos = ( position.y < 0.5 ) ? start : end;\n\t\t\t\tworldPos.xyz += offset;\n\n\t\t\t\t// project the worldpos\n\t\t\t\tvec4 clip = projectionMatrix * worldPos;\n\n\t\t\t\t// shift the depth of the projected points so the line\n\t\t\t\t// segments overlap neatly\n\t\t\t\tvec3 clipPose = ( position.y < 0.5 ) ? ndcStart : ndcEnd;\n\t\t\t\tclip.z = clipPose.z * clip.w;\n\n\t\t\t#else\n\n\t\t\t\tvec2 offset = vec2( dir.y, - dir.x );\n\t\t\t\t// undo aspect ratio adjustment\n\t\t\t\tdir.x /= aspect;\n\t\t\t\toffset.x /= aspect;\n\n\t\t\t\t// sign flip\n\t\t\t\tif ( position.x < 0.0 ) offset *= - 1.0;\n\n\t\t\t\t// endcaps\n\t\t\t\tif ( position.y < 0.0 ) {\n\n\t\t\t\t\toffset += - dir;\n\n\t\t\t\t} else if ( position.y > 1.0 ) {\n\n\t\t\t\t\toffset += dir;\n\n\t\t\t\t}\n\n\t\t\t\t// adjust for lineWidth\n\t\t\t\toffset *= lineWidth;\n\n\t\t\t\t// adjust for clip-space to screen-space conversion // maybe resolution should be based on viewport ...\n\t\t\t\toffset /= resolution.y;\n\n\t\t\t\t// select end\n\t\t\t\tvec4 clip = ( position.y < 0.5 ) ? clipStart : clipEnd;\n\n\t\t\t\t// back to clip space\n\t\t\t\toffset *= clip.w;\n\n\t\t\t\tclip.xy += offset;\n\n\t\t\t#endif\n\n\t\t\tgl_Position = clip;\n\n\t\t\tvec4 mvPosition = ( position.y < 0.5 ) ? start : end; // this is an approximation\n\n\t\t\t#include <logdepthbuf_vertex>\n\t\t\t#include <clipping_planes_vertex>\n\t\t\t#include <fog_vertex>\n\n\t\t}\n\t\t",
        fragmentShader: "\n\t\tuniform vec3 diffuse;\n\t\tuniform float opacity;\n\t\tuniform float lineWidth;\n        uniform vec3 backColor;\n        uniform float occlusionDistance;\n        uniform float clipDistance;\n        uniform float maxClipFactor;\n\t\t#ifdef USE_DASH\n\n\t\t\tuniform float dashOffset;\n\t\t\tuniform float dashSize;\n\t\t\tuniform float gapSize;\n\n\t\t#endif\n\n\n        //加\n        #if defined(GL_EXT_frag_depth) && defined(useDepth)    \n            uniform sampler2D depthTexture;\n            uniform float nearPlane;\n            uniform float farPlane; \n            uniform vec2 resolution;\n            uniform vec2 viewportOffset;\n        #endif\n\n\n\n\t\tvarying float vLineDistance;\n\n\t\t#ifdef WORLD_UNITS\n\n\t\t\tvarying vec4 worldPos;\n\t\t\tvarying vec3 worldStart;\n\t\t\tvarying vec3 worldEnd;\n\n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tvarying vec2 vUv;\n\n\t\t\t#endif\n\n\t\t#else\n\n\t\t\tvarying vec2 vUv;\n\n\t\t#endif\n\n\t\t#include <common>\n\t\t#include <color_pars_fragment>\n\t\t#include <fog_pars_fragment>\n\t\t#include <logdepthbuf_pars_fragment>\n\t\t#include <clipping_planes_pars_fragment>\n\n\n        #if defined(GL_EXT_frag_depth) && defined(useDepth)  \n            float convertToLinear(float zValue)\n            {\n                float z = zValue * 2.0 - 1.0;\n                return (2.0 * nearPlane * farPlane) / (farPlane + nearPlane - z * (farPlane - nearPlane));\n            }\n        #endif\n\n\n\n\t\tvec2 closestLineToLine(vec3 p1, vec3 p2, vec3 p3, vec3 p4) {\n\n\t\t\tfloat mua;\n\t\t\tfloat mub;\n\n\t\t\tvec3 p13 = p1 - p3;\n\t\t\tvec3 p43 = p4 - p3;\n\n\t\t\tvec3 p21 = p2 - p1;\n\n\t\t\tfloat d1343 = dot( p13, p43 );\n\t\t\tfloat d4321 = dot( p43, p21 );\n\t\t\tfloat d1321 = dot( p13, p21 );\n\t\t\tfloat d4343 = dot( p43, p43 );\n\t\t\tfloat d2121 = dot( p21, p21 );\n\n\t\t\tfloat denom = d2121 * d4343 - d4321 * d4321;\n\n\t\t\tfloat numer = d1343 * d4321 - d1321 * d4343;\n\n\t\t\tmua = numer / denom;\n\t\t\tmua = clamp( mua, 0.0, 1.0 );\n\t\t\tmub = ( d1343 + d4321 * ( mua ) ) / d4343;\n\t\t\tmub = clamp( mub, 0.0, 1.0 );\n\n\t\t\treturn vec2( mua, mub );\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\t#include <clipping_planes_fragment>\n\n\t\t\t/*#ifdef USE_DASH\n\n\t\t\t\tif ( vUv.y < - 1.0 || vUv.y > 1.0 ) discard; // discard endcaps\n\n\t\t\t\tif ( mod( vLineDistance + dashOffset, dashSize + gapSize ) > dashSize ) discard; // todo - FIX\n\n\t\t\t#endif*/\n            \n\t\t\t#ifdef USE_DASH\n\n\t\t\t\tif ( vUv.y < - 1.0 || vUv.y > 1.0 ) discard; // discard endcaps\n                \n                \n                bool unvisible = mod( vLineDistance + dashOffset, dashSize + gapSize ) > dashSize;\n                //加\n                #ifdef DASH_with_depth\n                    \n                #else  \n                    if (unvisible) discard; // todo - FIX\n                #endif\n\t\t\t#endif\n            \n\n\t\t\tfloat alpha = opacity;\n\n\t\t\t#ifdef WORLD_UNITS\n\n\t\t\t\t// Find the closest points on the view ray and the line segment\n\t\t\t\tvec3 rayEnd = normalize( worldPos.xyz ) * 1e5;\n\t\t\t\tvec3 lineDir = worldEnd - worldStart;\n\t\t\t\tvec2 params = closestLineToLine( worldStart, worldEnd, vec3( 0.0, 0.0, 0.0 ), rayEnd );\n\n\t\t\t\tvec3 p1 = worldStart + lineDir * params.x;\n\t\t\t\tvec3 p2 = rayEnd * params.y;\n\t\t\t\tvec3 delta = p1 - p2;\n\t\t\t\tfloat len = length( delta );\n\t\t\t\tfloat norm = len / lineWidth;\n\n\t\t\t\t#ifndef USE_DASH\n\n\t\t\t\t\t#ifdef USE_ALPHA_TO_COVERAGE\n\n\t\t\t\t\t\tfloat dnorm = fwidth( norm );\n\t\t\t\t\t\talpha = 1.0 - smoothstep( 0.5 - dnorm, 0.5 + dnorm, norm );\n\n\t\t\t\t\t#else\n\n\t\t\t\t\t\tif ( norm > 0.5 ) {\n\n\t\t\t\t\t\t\tdiscard;\n\n\t\t\t\t\t\t}\n\n\t\t\t\t\t#endif\n\n\t\t\t\t#endif\n\n\t\t\t#else\n\n\t\t\t\t#ifdef USE_ALPHA_TO_COVERAGE\n\n\t\t\t\t\t// artifacts appear on some hardware if a derivative is taken within a conditional\n\t\t\t\t\tfloat a = vUv.x;\n\t\t\t\t\tfloat b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0;\n\t\t\t\t\tfloat len2 = a * a + b * b;\n\t\t\t\t\tfloat dlen = fwidth( len2 );\n\n\t\t\t\t\tif ( abs( vUv.y ) > 1.0 ) {\n\n\t\t\t\t\t\talpha = 1.0 - smoothstep( 1.0 - dlen, 1.0 + dlen, len2 );\n\n\t\t\t\t\t}\n\n\t\t\t\t#else\n\n\t\t\t\t\tif ( abs( vUv.y ) > 1.0 ) {\n\n\t\t\t\t\t\tfloat a = vUv.x;\n\t\t\t\t\t\tfloat b = ( vUv.y > 0.0 ) ? vUv.y - 1.0 : vUv.y + 1.0;\n\t\t\t\t\t\tfloat len2 = a * a + b * b;\n\n\t\t\t\t\t\tif ( len2 > 1.0 ) discard;\n\n\t\t\t\t\t}\n\n\t\t\t\t#endif\n\n\t\t\t#endif\n\n\t\t\tvec4 diffuseColor = vec4( diffuse, alpha );\n\n\n            //加\n            #if defined(GL_EXT_frag_depth) && defined(useDepth)    \n               \n                float mixFactor = 0.0;\n                float clipFactor = 0.0;\n\n                float fragDepth = convertToLinear(gl_FragCoord.z);\n\n                vec2 depthTxtCoords = vec2(gl_FragCoord.x - viewportOffset.x,  gl_FragCoord.y - viewportOffset.y) / resolution;\n\n                float textureDepth = convertToLinear(texture2D(depthTexture, depthTxtCoords).r);\n\n                float delta = fragDepth - textureDepth;\n\n                if (delta > 0.0)\n                {\n                    \n                    mixFactor = clamp(delta / occlusionDistance, 0.0, 1.0);\n                    clipFactor = clamp(delta / clipDistance, 0.0, maxClipFactor);\n                }\n                 \n                if (clipFactor == 1.0)\n                {\n                    discard;\n                }\n                \n                vec4 backColor_ = vec4(backColor, opacity); //vec4(0.8,0.8,0.8, 0.8*opacity);\n                 \n                #ifdef DASH_with_depth  \n                    // 只在被遮住的部分显示虚线, 所以若同时是虚线不可见部分和被遮住时， a为0\n                    if(unvisible) backColor_.a = 0.0;\n                #endif \n                \n                //vec4 diffuseColor = vec4(mix(diffuse, backColor_, mixFactor), opacity*(1.0 - clipFactor));\n               \n               \n               \n                diffuseColor = mix(diffuseColor, backColor_ , mixFactor);   \n               \n               \n                diffuseColor.a *= (1.0 - clipFactor);  \n                \n            #endif\n\n\n\n\t\t\t#include <logdepthbuf_fragment>\n\t\t\t#include <color_fragment>\n\n\t\t\t//gl_FragColor = vec4( diffuseColor.rgb, alpha );\n\t\t\tgl_FragColor = vec4( diffuseColor.rgb, diffuseColor.a );\n\t\t\t#include <tonemapping_fragment>\n\t\t\t#include <encodings_fragment>\n\t\t\t#include <fog_fragment>\n\t\t\t#include <premultiplied_alpha_fragment>\n\n\t\t}\n\t\t"
    };
    var rf, af, of, sf, lf = function() {
        y(r, Qr);
        var i = w(r);
        function r(e) {
            var n;
            O(this, r),
            (n = i.call(this, {
                type: "LineMaterial",
                uniforms: Jr.clone(ha.line.uniforms),
                vertexShader: ha.line.vertexShader,
                fragmentShader: ha.line.fragmentShader,
                clipping: !0
            })).isLineMaterial = !0,
            n.lineWidth_ = 0,
            n.supportExtDepth = e.supportExtDepth,
            n.depthTestWhenPick = !1,
            e.color && (n.color = new Yi(e.color)),
            e.backColor && (n.uniforms.backColor.value = new Yi(e.backColor)),
            e.clipDistance && (n.uniforms.clipDistance.value = e.clipDistance),
            e.occlusionDistance && (n.uniforms.occlusionDistance.value = e.occlusionDistance),
            e.maxClipFactor && (n.uniforms.maxClipFactor.value = e.maxClipFactor),
            Object.defineProperties(g(n), {
                color: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.diffuse.value
                    },
                    set: function(e) {
                        this.uniforms.diffuse.value = e
                    }
                },
                worldUnits: {
                    enumerable: !0,
                    get: function() {
                        return "WORLD_UNITS"in this.defines
                    },
                    set: function(e) {
                        !0 === e ? this.defines.WORLD_UNITS = "" : delete this.defines.WORLD_UNITS
                    }
                },
                lineWidth: {
                    enumerable: !0,
                    get: function() {
                        return this.lineWidth_
                    },
                    set: function(e) {
                        this.uniforms.lineWidth.value = e * window.devicePixelRatio,
                        this.lineWidth_ = e
                    }
                },
                dashed: {
                    enumerable: !0,
                    get: function() {
                        return Boolean("USE_DASH"in this.defines)
                    },
                    set: function(e) {
                        Boolean(e) !== Boolean("USE_DASH"in this.defines) && (this.needsUpdate = !0),
                        !0 === e ? this.defines.USE_DASH = "" : delete this.defines.USE_DASH
                    }
                },
                dashScale: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.dashScale.value
                    },
                    set: function(e) {
                        this.uniforms.dashScale.value = e
                    }
                },
                dashSize: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.dashSize.value
                    },
                    set: function(e) {
                        this.uniforms.dashSize.value = e
                    }
                },
                dashOffset: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.dashOffset.value
                    },
                    set: function(e) {
                        this.uniforms.dashOffset.value = e
                    }
                },
                gapSize: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.gapSize.value
                    },
                    set: function(e) {
                        this.uniforms.gapSize.value = e
                    }
                },
                opacity: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.opacity.value
                    },
                    set: function(e) {
                        this.uniforms.opacity.value = e
                    }
                },
                resolution: {
                    enumerable: !0,
                    get: function() {
                        return this.uniforms.resolution.value
                    },
                    set: function(e) {
                        this.uniforms.resolution.value.copy(e)
                    }
                },
                alphaToCoverage: {
                    enumerable: !0,
                    get: function() {
                        return Boolean("USE_ALPHA_TO_COVERAGE"in this.defines)
                    },
                    set: function(e) {
                        Boolean(e) !== Boolean("USE_ALPHA_TO_COVERAGE"in this.defines) && (this.needsUpdate = !0),
                        !0 === e ? (this.defines.USE_ALPHA_TO_COVERAGE = "",
                        this.extensions.derivatives = !0) : (delete this.defines.USE_ALPHA_TO_COVERAGE,
                        this.extensions.derivatives = !1)
                    }
                },
                useDepth: {
                    enumerable: !0,
                    get: function() {
                        return "useDepth"in this.defines
                    },
                    set: function(e) {
                        (e = e && !!this.supportExtDepth) != this.useDepth && (e ? (this.defines.useDepth = "",
                        this.updateDepthParams()) : delete this.defines.useDepth,
                        this.needsUpdate = !0)
                    }
                },
                dashWithDepth: {
                    enumerable: !0,
                    get: function() {
                        return "DASH_with_depth"in this.defines
                    },
                    set: function(e) {
                        (e = e && !!this.supportExtDepth) != this.dashWithDepth && (e ? this.defines.DASH_with_depth = "" : delete this.defines.DASH_with_depth,
                        this.needsUpdate = !0)
                    }
                }
            }),
            n.setValues(e);
            function t(e) {
                var t = e.viewport
                  , e = t.offset || new yn;
                n.uniforms.resolution.value.copy(t.resolution2),
                n.uniforms.viewportOffset.value.copy(e),
                n.lineWidth = n.lineWidth_
            }
            e = viewer.mainViewport;
            return t({
                viewport: e
            }),
            viewer.addEventListener("resize", function(e) {
                t(e)
            }),
            n.supportExtDepth && (n.updateDepthParams(),
            viewer.addEventListener("render.begin", function(e) {
                e.viewport.camera.isPerspectiveCamera && n.updateDepthParams(e)
            })),
            n
        }
        return h(r, [{
            key: "updateDepthParams",
            value: function() {
                var e, t;
                this.useDepth && (t = (e = (0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}).viewport || viewer.mainViewport).camera,
                this.uniforms.depthTexture.value = viewer.getPRenderer().getRtEDL(e).depthTexture,
                this.uniforms.nearPlane.value = t.near,
                this.uniforms.farPlane.value = t.far)
            }
        }]),
        r
    }(), uf = new Cn, cf = new Cn, df = new Mn, hf = new Mn, pf = new Mn, ff = new Cn, mf = new ni, vf = new vh, gf = new Cn, yf = new kn, wf = new qn, bf = new Mn;
    function xf(e, t, n) {
        return bf.set(0, 0, -t, 1).applyMatrix4(e.projectionMatrix),
        bf.multiplyScalar(1 / bf.w),
        bf.x = sf / n.width,
        bf.y = sf / n.height,
        bf.applyMatrix4(e.projectionMatrixInverse),
        bf.multiplyScalar(1 / bf.w),
        Math.abs(Math.max(bf.x, bf.y))
    }
    var Ef, _f = function() {
        y(i, Hr);
        var n = w(i);
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new nf
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new lf({
                color: 16777215 * Math.random()
            });
            return O(this, i),
            (t = n.call(this, e, t)).isLineSegments2 = !0,
            t.type = "LineSegments2",
            t
        }
        return h(i, [{
            key: "computeLineDistances",
            value: function() {
                for (var e = this.geometry, t = e.attributes.instanceStart, n = e.attributes.instanceEnd, i = new Float32Array(2 * t.count), r = 0, a = 0, o = t.count; r < o; r++,
                a += 2)
                    uf.fromBufferAttribute(t, r),
                    cf.fromBufferAttribute(n, r),
                    i[a] = 0 === a ? 0 : i[a - 1],
                    i[a + 1] = i[a] + uf.distanceTo(cf);
                var s = new ah(i,2,1);
                return e.setAttribute("instanceDistanceStart", new xs(s,1,0)),
                e.setAttribute("instanceDistanceEnd", new xs(s,1,1)),
                this
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                var n = this.material.worldUnits
                  , i = e.camera;
                null !== i || n || console.error('LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.');
                var r = void 0 !== e.params.Line2 && e.params.Line2.threshold || 0;
                rf = e.ray;
                var a = this.matrixWorld
                  , o = this.geometry
                  , e = this.material;
                sf = e.lineWidth + r,
                af = o.attributes.instanceStart,
                of = o.attributes.instanceEnd,
                null === o.boundingSphere && o.computeBoundingSphere(),
                wf.copy(o.boundingSphere).applyMatrix4(a),
                r = n ? .5 * sf : xf(i, Math.max(i.near, wf.distanceToPoint(rf.origin)), e.resolution),
                wf.radius += r,
                !1 !== rf.intersectsSphere(wf) && (null === o.boundingBox && o.computeBoundingBox(),
                yf.copy(o.boundingBox).applyMatrix4(a),
                e = n ? .5 * sf : xf(i, Math.max(i.near, yf.distanceToPoint(rf.origin)), e.resolution),
                yf.expandByScalar(e),
                !1 !== rf.intersectsBox(yf) && (n ? function(e, t) {
                    for (var n = 0, i = af.count; n < i; n++) {
                        vf.start.fromBufferAttribute(af, n),
                        vf.end.fromBufferAttribute(of, n);
                        var r = new Cn
                          , a = new Cn;
                        rf.distanceSqToSegment(vf.start, vf.end, a, r),
                        a.distanceTo(r) < .5 * sf && t.push({
                            point: a,
                            pointOnLine: r,
                            distance: rf.origin.distanceTo(a),
                            object: e,
                            face: null,
                            faceIndex: n,
                            uv: null,
                            uv2: null
                        })
                    }
                }(this, t) : function(e, t, n) {
                    var i = t.projectionMatrix
                      , r = e.material.resolution
                      , a = e.matrixWorld
                      , o = e.geometry
                      , s = o.attributes.instanceStart
                      , l = o.attributes.instanceEnd
                      , u = -t.near;
                    rf.at(1, pf),
                    pf.w = 1,
                    pf.applyMatrix4(t.matrixWorldInverse),
                    pf.applyMatrix4(i),
                    pf.multiplyScalar(1 / pf.w),
                    pf.x *= r.x / 2,
                    pf.y *= r.y / 2,
                    pf.z = 0,
                    ff.copy(pf),
                    mf.multiplyMatrices(t.matrixWorldInverse, a);
                    for (var c, d, h, p = 0, f = s.count; p < f; p++)
                        df.fromBufferAttribute(s, p),
                        hf.fromBufferAttribute(l, p),
                        df.w = 1,
                        hf.w = 1,
                        df.applyMatrix4(mf),
                        hf.applyMatrix4(mf),
                        df.z > u && hf.z > u || (df.z > u ? (c = df.z - hf.z,
                        c = (df.z - u) / c,
                        df.lerp(hf, c)) : hf.z > u && (d = hf.z - df.z,
                        h = (hf.z - u) / d,
                        hf.lerp(df, h)),
                        df.applyMatrix4(i),
                        hf.applyMatrix4(i),
                        df.multiplyScalar(1 / df.w),
                        hf.multiplyScalar(1 / hf.w),
                        df.x *= r.x / 2,
                        df.y *= r.y / 2,
                        hf.x *= r.x / 2,
                        hf.y *= r.y / 2,
                        vf.start.copy(df),
                        vf.start.z = 0,
                        vf.end.copy(hf),
                        vf.end.z = 0,
                        d = vf.closestPointToPointParameter(ff, !0),
                        vf.at(d, gf),
                        d = -1 <= (h = gn.lerp(df.z, hf.z, d)) && h <= 1,
                        h = ff.distanceTo(gf) < .5 * sf,
                        d && h && (vf.start.fromBufferAttribute(s, p),
                        vf.end.fromBufferAttribute(l, p),
                        vf.start.applyMatrix4(a),
                        vf.end.applyMatrix4(a),
                        d = new Cn,
                        h = new Cn,
                        rf.distanceSqToSegment(vf.start, vf.end, h, d),
                        n.push({
                            point: h,
                            pointOnLine: d,
                            distance: rf.origin.distanceTo(h),
                            object: e,
                            face: null,
                            faceIndex: p,
                            uv: null,
                            uv2: null
                        })))
                }(this, i, t)))
            }
        }]),
        i
    }(), Mf = function() {
        y(r, nf);
        var t = w(r);
        function r() {
            var e;
            return O(this, r),
            (e = t.call(this)).isLineGeometry = !0,
            e.type = "LineGeometry",
            e
        }
        return h(r, [{
            key: "setPositions",
            value: function(e) {
                for (var t = e.length - 3, n = new Float32Array(2 * t), i = 0; i < t; i += 3)
                    n[2 * i] = e[i],
                    n[2 * i + 1] = e[i + 1],
                    n[2 * i + 2] = e[i + 2],
                    n[2 * i + 3] = e[i + 3],
                    n[2 * i + 4] = e[i + 4],
                    n[2 * i + 5] = e[i + 5];
                return b(v(r.prototype), "setPositions", this).call(this, n),
                this
            }
        }, {
            key: "setColors",
            value: function(e) {
                for (var t = e.length - 3, n = new Float32Array(2 * t), i = 0; i < t; i += 3)
                    n[2 * i] = e[i],
                    n[2 * i + 1] = e[i + 1],
                    n[2 * i + 2] = e[i + 2],
                    n[2 * i + 3] = e[i + 3],
                    n[2 * i + 4] = e[i + 4],
                    n[2 * i + 5] = e[i + 5];
                return b(v(r.prototype), "setColors", this).call(this, n),
                this
            }
        }, {
            key: "fromLine",
            value: function(e) {
                e = e.geometry;
                return this.setPositions(e.attributes.position.array),
                this
            }
        }]),
        r
    }(), Af = function() {
        y(i, _f);
        var n = w(i);
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : new Mf
              , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : new lf({
                color: 16777215 * Math.random()
            });
            return O(this, i),
            (t = n.call(this, e, t)).isLine2 = !0,
            t.type = "Line2",
            t
        }
        return h(i)
    }(), Tf = new Yi(1,1,1), Sf = {
        createLine: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = t.mat || (n = {
                lineWidth: t.lineWidth || 1,
                color: t.color || Tf,
                transparent: !t.dontAlwaysSeen,
                depthTest: !!t.dontAlwaysSeen
            },
            t.deshed && (n.dashSize = t.dashSize || .1,
            n.gapSize = t.gapSize || .1),
            new mp[t.deshed ? "LineDashedMaterial" : "LineBasicMaterial"](n))
              , n = new cl(new Mr,n);
            return n.renderOrder = t.renderOrder || 4,
            this.moveLine(n, e),
            n
        },
        moveLine: function(e, t) {
            var n;
            0 != t.length && (n = [],
            t.forEach(function(e) {
                return n.push(e.x, e.y, e.z)
            }),
            e.geometry.setAttribute("position", new dr(n,3)),
            e.geometry.attributes.position.needsUpdate = !0,
            e.geometry.computeBoundingSphere(),
            e.material instanceof Yu && (e.computeLineDistances(),
            e.geometry.verticesNeedUpdate = !0))
        },
        createFatLineMat: function(e) {
            var t = !!jp.EXT_DEPTH.isSupported()
              , t = $.extend({}, {
                lineWidth: 5,
                color: 16777215,
                transparent: !0,
                depthWrite: !1,
                depthTest: !1,
                dashSize: .1,
                gapSize: .1
            }, e, {
                dashed: (!e.dashWithDepth || t) && !!e.dashed,
                dashWithDepth: !!e.dashWithDepth,
                useDepth: !!e.useDepth,
                supportExtDepth: t
            });
            return new lf(t)
        },
        createFatLine: function(e, t) {
            var n = new Mf;
            n.setColors(t.color || [1, 1, 1]);
            t = t.material || this.createFatLineMat(t),
            t = new Af(n,t);
            return t.scale.set(1, 1, 1),
            t.renderOrder = 2,
            this.moveFatLine(t, e),
            t
        },
        moveFatLine: function(e, t) {
            var n = e.geometry
              , i = [];
            t.forEach(function(e) {
                i.push.apply(i, Q(e.toArray()))
            }),
            0 < i.length ? ((n = n || (e.geometry = new Mf)).attributes.instanceEnd && n.attributes.instanceEnd.data.array.length != i.length && (n.dispose(),
            n = new Mf,
            e.geometry = n),
            n.setPositions(i),
            null != e.material.defines.USE_DASH && (e.geometry.computeBoundingSphere(),
            e.computeLineDistances())) : (n.dispose(),
            e.geometry = new Mf)
        },
        updateLine: function(e, t) {
            e instanceof Af ? Sf.moveFatLine(e, t) : Sf.moveLine(e, t)
        },
        createBoldLine: function(e, t) {
            function n() {
                i.lastVector = r;
                var e = (t = new Cn(0,-1,0)).clone().cross(r).normalize()
                  , t = t.angleTo(r);
                i.quaternion.setFromAxisAngle(e, t)
            }
            var i = (t = t || {}) && t.cylinder
              , r = e[1].clone().sub(e[0]);
            if (t && "init" == t.type) {
                if ((i = new Hr).material = t.mat,
                0 == r.length())
                    return i;
                n()
            }
            if (0 == r.length())
                return i;
            if ("update" != t.type) {
                var a = e[0].clone().add(e[1]).multiplyScalar(.5);
                if (i.position.copy(a),
                (!i.lastVector || "moveAndRotate" == t.type || i.lastVector && 0 < r.angleTo(i.lastVector)) && n(),
                config.isEdit && !objects.mainDesign.editing)
                    return i
            }
            var o = e[0].distanceTo(e[1])
              , s = t && t.standPos || objects.player.position
              , l = config.isMobile ? 20 : 40
              , u = e[0].distanceTo(s)
              , c = e[1].distanceTo(s)
              , a = Up.getFootPoint(s, e[0], e[1]);
            return o = t.constantBold || "panorama" != objects.player.mode ? [new yn(.1,o / 2), new yn(.1,-o / 2)] : 0 < a.clone().sub(e[0]).dot(a.clone().sub(e[1])) ? [new yn(u / l,o / 2), new yn(c / l,-o / 2)] : (s = a.distanceTo(s),
            e = a.distanceTo(e[0]),
            [new yn(u / l,o / 2), new yn(s / l,o / 2 - e), new yn(c / l,-o / 2)]),
            i.geometry && i.geometry.dispose(),
            i.geometry = new fu(o,4),
            i.renderOrder = 2,
            i
        },
        updateBoldLine: function(e, t, n, i, r) {
            this.createBoldLine(t, {
                type: n,
                cylinder: e,
                standPos: i,
                constantBold: r
            })
        }
    }, Cf = {
        getShape: function(e, t) {
            var r = new Xc;
            r.moveTo(e[0].x, e[0].y);
            for (var n = 1, i = e.length; n < i; n++)
                r.lineTo(e[n].x, e[n].y);
            return t && t.forEach(function(e) {
                var t = new Wc;
                t.moveTo(e[0].x, e[0].y);
                for (var n = 1, i = e.length; n < i; n++)
                    t.lineTo(e[n].x, e[n].y);
                r.holes.push(t)
            }),
            r
        },
        getShapeGeo: function(e, t) {
            return new Mu(this.getShape(e, t))
        },
        getExtrudeGeo: function(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {}
              , t = this.getShape(e, t);
            n.extrudePath && (i = extrudePath.reduce(function(e, t, n, i) {
                return 0 == n ? 0 : e + t.distanceTo(i[n - 1])
            }, 0),
            n.extrudePath = new Bc(extrudePath,n.closed,"catmullrom",n.tension));
            var i = $.extend(n, {
                steps: null != n.steps ? n.steps : n.extrudePath ? Math.round(i / .3) : 1,
                bevelEnabled: !1
            });
            return new uu(t,i)
        },
        getUnPosPlaneGeo: (Ch = new Uint16Array([0, 1, 2, 0, 2, 3]),
        pu = new Float32Array([0, 0, 1, 0, 1, 1, 0, 1]),
        (Ef = new Mr).setIndex(new nr(Ch,1)),
        Ef.setAttribute("uv", new nr(pu,2)),
        function() {
            return Ef
        }
        ),
        getPlaneGeo: function(e, t, n, i) {
            var r = this.getUnPosPlaneGeo().clone()
              , i = [e.x, e.y, e.z, t.x, t.y, t.z, n.x, n.y, n.z, i.x, i.y, i.z];
            return r.setAttribute("position", new dr(i,3)),
            r.computeVertexNormals(),
            r.computeBoundingSphere(),
            r
        },
        drawPlane: function(e, t, n, i, r) {
            return new Hr(this.getPlaneGeo(e, t, n, i),r)
        },
        movePlane: function(e, t, n, i, r) {
            r = new Float32Array([t.x, t.y, t.z, n.x, n.y, n.z, i.x, i.y, i.z, r.x, r.y, r.z]);
            e.geometry.addAttribute("position", new nr(r,3)),
            e.geometry.computeBoundingSphere()
        },
        createGeometry: function(e, t, n, i) {
            var r, a, o, s = new Mr, l = [];
            return e.forEach(function(e) {
                return l.push(e.x, e.y, e.z)
            }),
            s.setAttribute("position", new dr(l,3)),
            t && (r = [],
            t.forEach(function(e) {
                return r.push.apply(r, Q(e))
            }),
            s.setIndex(r)),
            n && (a = [],
            n.forEach(function(e) {
                return a.push(e.x, e.y)
            }),
            s.setAttribute("uv", new dr(a,2))),
            i && (o = [],
            i.forEach(function(e) {
                return o.push(e.x, e.y, e.z)
            }),
            s.setAttribute("normal", new dr(o,3))),
            s
        },
        updateGeometry: function(e, t, n, i, r) {
            var a, o, s, l = [];
            return t.forEach(function(e) {
                return l.push(e.x, e.y, e.z)
            }),
            e.setAttribute("position", new dr(l,3)),
            e.attributes.position.needsUpdate = !0,
            n && (a = [],
            n.forEach(function(e) {
                return a.push.apply(a, Q(e))
            }),
            e.setIndex(a)),
            i && (o = [],
            i.forEach(function(e) {
                return o.push(e.x, e.y)
            }),
            e.setAttribute("uv", new dr(o,2))),
            r && (s = [],
            r.forEach(function(e) {
                return s.push(e.x, e.y, e.z)
            }),
            e.setAttribute("normal", new dr(s,3))),
            e.computeBoundingSphere(),
            e
        }
    }, Pf = new vh, Df = function() {
        y(a, Si);
        var r = w(a);
        function a(e, t) {
            var n, i;
            for (i in O(this, a),
            (n = r.call(this)).type = e,
            n.maxMarkers = Number.MAX_SAFE_INTEGER,
            n.transformData(t),
            t)
                n[i] = t[i];
            return n.closed && "2d" == n.dimension && (n.areaPlane = n.createAreaPlane(),
            n.add(n.areaPlane)),
            n.points = [],
            n.markers = [],
            n.edges = [],
            n.center,
            n
        }
        return h(a, [{
            key: "initData",
            value: function(e) {
                var n = this;
                if ("merge" == Potree.settings.editType)
                    if (this.dataset_points) {
                        if (this.dataset_points = this.dataset_points.map(function(e) {
                            return e && (new Cn).copy(e)
                        }),
                        e.points = this.dataset_points.map(function(e, t) {
                            return Potree.Utils.datasetPosTransform({
                                fromDataset: !0,
                                datasetId: n.points_datasets[t],
                                position: e
                            })
                        }),
                        e.points.some(function(e) {
                            return null == e
                        }))
                            return !1
                    } else
                        this.dataset_points = [];
                if (e.points) {
                    var t, i = ue(e.points);
                    try {
                        for (i.s(); !(t = i.n()).done; ) {
                            var r = t.value
                              , a = (new Cn).copy(r);
                            this.addMarker({
                                point: a
                            })
                        }
                    } catch (e) {
                        i.e(e)
                    } finally {
                        i.f()
                    }
                    return "merge" != Potree.settings.editType && (null != this.datasetId ? this.dataset_points && (this.dataset_points = this.dataset_points.map(function(e) {
                        return e && (new Cn).copy(e)
                    }),
                    this.transformByPointcloud()) : e.dataset_points && e.dataset_points.some(function(e) {
                        return null != e
                    }) && (console.error("存在测量线的datasetId为空而dataset_points有值，请检查并删除:" + this.sid),
                    console.log(this))),
                    this.getFacePlane(),
                    this.getPoint2dInfo(this.points),
                    this.update({
                        ifUpdateMarkers: !0
                    }),
                    this.setSelected(!1),
                    this.markers.forEach(function(e) {
                        e.dispatchEvent("addHoverEvent")
                    }),
                    !0
                }
            }
        }, {
            key: "addMarker",
            value: function() {
                var n = this
                  , i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , e = null == i.index ? this.points.length : i.index;
                this.points = [].concat(Q(this.points.slice(0, e)), [i.point], Q(this.points.slice(e, this.points.length))),
                i.marker && (this.add(i.marker),
                this.markers = [].concat(Q(this.markers.slice(0, e)), [i.marker], Q(this.markers.slice(e, this.markers.length))),
                this.updateMarker(i.marker, i.point),
                i.marker.addEventListener("drag", this.dragMarker.bind(this)),
                i.marker.addEventListener("drop", this.dropMarker.bind(this)),
                i.marker.addEventListener("addHoverEvent", function e(t) {
                    i.marker.addEventListener("mouseover", function(e) {
                        n.setMarkerSelected(e.object, "hover", "single"),
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "add",
                            name: "markerMove"
                        })
                    }),
                    i.marker.addEventListener("mouseleave", function(e) {
                        n.setMarkerSelected(e.object, "unhover", "single"),
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "remove",
                            name: "markerMove"
                        })
                    }),
                    i.marker.removeEventListener("addHoverEvent", e)
                }),
                this.isNew || i.marker.dispatchEvent("addHoverEvent")),
                i.edge && (this.add(i.edge),
                this.edges = [].concat(Q(this.edges.slice(0, e)), [i.edge], Q(this.edges.slice(e, this.edges.length))))
            }
        }, {
            key: "dragMarker",
            value: function(e) {
                var t, n;
                if (e.hoverViewport == e.drag.dragViewport) {
                    if (viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "polygon_AtWrongPlace"
                    }),
                    (n = "mapViewport" == e.drag.dragViewport.name) && this.unableDragAtMap)
                        e.drag.object = null;
                    else if (e.drag.object.isDragging = !0,
                    t = e.intersect && (e.intersect.orthoIntersect || e.intersect.location)) {
                        var i = this.markers.indexOf(e.drag.object);
                        return -1 !== i && (this.dragChange(t.clone(), i, n),
                        this.points_datasets && (e.intersect.pointcloud ? this.points_datasets[i] = e.intersect.pointcloud.dataset_id : e.intersect.object ? this.points_datasets[i] = e.intersect.object.dataset_id : this.points_datasets[i] = null)),
                        this.editStateChange(!0),
                        !0
                    }
                } else
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "add",
                        name: "polygon_AtWrongPlace"
                    })
            }
        }, {
            key: "dragChange",
            value: function(e, t, n) {
                var i = this
                  , r = this.markers.length
                  , a = this.points[t];
                n && e.setZ(a.z);
                var o = e.clone();
                if (this.faceDirection && 2 == this.maxMarkers && 2 == r) {
                    var s = this.markers[0].position;
                    a = "horizontal" == this.faceDirection ? o.clone().setZ(s.z) : s.clone().setZ(o.z),
                    Sf.updateLine(this.guideLine, [o, a]),
                    o = a,
                    this.guideLine.visible = !0
                } else if (1 < r) {
                    var l, u = this.points.map(function(e) {
                        return e.clone()
                    });
                    if (u[t].copy(o),
                    "horizontal" == this.faceDirection)
                        2 == r && o.setZ(u[0].z),
                        this.facePlane || (this.facePlane = (new ki).setFromNormalAndCoplanarPoint(new Cn(0,0,1), this.points[0]));
                    else if ("vertical" == this.faceDirection)
                        if (2 == r)
                            this.isRect && (c = u[0].clone().sub(o),
                            Math.sqrt(c.x * c.x + c.y * c.y) > Math.abs(c.z) ? o.setZ(u[0].z) : (o.setX(u[0].x),
                            o.setY(u[0].y)));
                        else {
                            this.cannotConfirmNormal = !0;
                            for (var c, d, h = this.isRect ? 1 : r - 2, p = 0; p < h; p++) {
                                var f = u[p].clone()
                                  , m = u[p + 1].clone()
                                  , m = f.sub(m);
                                if (0 != m.x || 0 != m.y) {
                                    this.cannotConfirmNormal = !1;
                                    break
                                }
                            }
                            this.facePlane && !this.cannotConfirmNormal || (c = kf(u.map(function(e) {
                                return new yn(e.x,e.y)
                            }), 2)) && (d = Up.getNormal2d({
                                p1: c[0],
                                p2: c[1]
                            }),
                            d = new Cn(d.x,d.y,0),
                            this.facePlane = (new ki).setFromNormalAndCoplanarPoint(d, this.points[0]))
                        }
                    if (2 < r) {
                        if (this.faceDirection || (3 != r && !this.isRect || (this.cannotConfirmNormal = !0),
                        this.facePlane && !this.cannotConfirmNormal || (l = kf(u, 3)) && (this.facePlane = (d = new ki).setFromCoplanarPoints.apply(d, Q(l)))),
                        this.facePlane && !this.cannotConfirmNormal)
                            if (n) {
                                if (Pf.set(o.clone().setZ(1e5), o.clone().setZ(-1e5)),
                                !(o = this.facePlane.intersectLine(Pf, new Cn)))
                                    return
                            } else
                                o = this.facePlane.projectPoint(e, new Cn);
                        if (u[t].copy(o),
                        this.isRect && (s = u[(t - 2 + r) % r],
                        l = u[(t - 1 + r) % r],
                        s.equals(l) && ("vertical" == this.faceDirection ? l.add(new Cn(0,0,1e-4)) : l.add(new Cn(0,1e-4,0))),
                        l = (n = Up.getFootPoint(o, s, l)).clone().sub(o),
                        l = s.clone().sub(l),
                        u[(t - 1 + r) % r].copy(n),
                        u[(t + 1) % r].copy(l),
                        this.setPosition((t - 1 + r) % r, n),
                        this.setPosition((t + 1) % r, l)),
                        this.getPoint2dInfo(u),
                        !this.isRect && 3 < r && this.intersectSelf(this.point2dInfo.points2d))
                            return viewer.dispatchEvent({
                                type: "CursorChange",
                                action: "add",
                                name: "polygon_isIntersectSelf"
                            }),
                            void (this.isIntersectSelf = !0);
                        this.isIntersectSelf = !1,
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "remove",
                            name: "polygon_isIntersectSelf"
                        })
                    }
                    1 < r && (this.faceDirection || 3 < r) && this.guideLine && (Sf.updateLine(this.guideLine, [e, o]),
                    this.guideLine.visible = !0)
                }
                if (this.restrictArea) {
                    e = this.restrictArea.holes.concat(this.restrictArea.parentHoles).filter(function(e) {
                        return e != i && 2 < e.points.length
                    }).map(function(e) {
                        return e.points
                    });
                    if (!Up.isPointInArea(this.restrictArea.points, e, o))
                        return viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "add",
                            name: "polygon_AtWrongPlace"
                        }),
                        void (this.isAtWrongPlace = !0)
                }
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "polygon_AtWrongPlace"
                }),
                this.isAtWrongPlace = !1,
                this.setPosition(t, o),
                this.update(),
                this.dispatchEvent({
                    type: "dragChange",
                    index: t
                })
            }
        }, {
            key: "dropMarker",
            value: function(e) {
                if (this.isNew && e.pressDistance > Potree.config.clickMaxDragDis)
                    return this.continueDrag(null, e);
                if (e.isTouch) {
                    if (e.hoverViewport != viewer.mainViewport && this.unableDragAtMap)
                        return viewer.dispatchEvent({
                            type: "reticule_forbit",
                            v: !0
                        }),
                        this.continueDrag(null, e);
                    viewer.dispatchEvent({
                        type: "reticule_forbit",
                        v: !1
                    }),
                    this.dragMarker(e)
                }
                if (e.button != C.RIGHT && (this.isIntersectSelf && this.isNew || this.isAtWrongPlace && this.isNew || !e.isAtDomElement && this.isNew || e.hoverViewport != viewer.mainViewport && this.unableDragAtMap || !kf(this.points, this.points.length)))
                    return this.continueDrag(null, e);
                var t = this.markers.indexOf(e.drag.object);
                return -1 !== t && (this.dispatchEvent({
                    type: "marker_dropped",
                    index: t
                }),
                2 < this.markers.length && this.facePlane && (this.cannotConfirmNormal = !1),
                this.guideLine && (this.guideLine.visible = !1)),
                this.setMarkerSelected(e.drag.object, "unhover", "single"),
                this.editStateChange(!1),
                e.drag.endDragFun && e.drag.endDragFun(e),
                !0
            }
        }, {
            key: "getFacePlane",
            value: function() {
                var e;
                this.points.length < 3 || (this.facePlane = (e = new ki).setFromCoplanarPoints.apply(e, Q(this.points.slice(0, 3))))
            }
        }, {
            key: "getPoint2dInfo",
            value: function(e) {
                var t, n;
                this.facePlane && (t = e[0].clone(),
                n = Up.getQuaBetween2Vector(this.facePlane.normal, new Cn(0,0,1), new Cn(0,0,1)),
                e = e.map(function(e) {
                    return e.clone().applyQuaternion(n)
                }),
                this.point2dInfo = {
                    originPoint0: t,
                    points2d: e,
                    quaInverse: n.clone().invert()
                })
            }
        }, {
            key: "setPosition",
            value: function(e, t) {
                var n = this.points[e];
                n.copy(t);
                e = this.markers[e];
                this.updateMarker(e, n)
            }
        }, {
            key: "updateMarker",
            value: function(e, t) {
                e.position.copy(t),
                e.update()
            }
        }, {
            key: "intersectSelf",
            value: function(e) {
                for (var t = e.length, n = 0; n < t; n++)
                    for (var i = n + 2; i < t; i++)
                        if (!(Math.abs(i - t - n) < 2)) {
                            var r = e[n]
                              , a = e[n + 1]
                              , o = e[i]
                              , s = e[(i + 1) % t];
                            if (!(r.equals(a) || o.equals(s) || r.equals(o) || a.equals(o) || r.equals(s) || a.equals(s)))
                                if (Up.isLineIntersect([r, a], [o, s], !1, .001))
                                    return !0
                        }
            }
        }, {
            key: "removeMarker",
            value: function(e) {
                this.points.splice(e, 1);
                var t = this.markers[e];
                this.markers.splice(e, 1),
                t.dispatchEvent({
                    type: "dispose"
                });
                var n = e
                  , i = this.edges[n];
                i && (this.remove(i),
                this.edges.splice(n, 1),
                i.dispatchEvent({
                    type: "dispose"
                })),
                this.point2dInfo && this.point2dInfo.points2d.splice(e, 1),
                this.dispatchEvent({
                    type: "removeMarker",
                    index: e,
                    marker: t
                })
            }
        }, {
            key: "createAreaPlane",
            value: function(e) {
                return new Hr(new Sl,e)
            }
        }, {
            key: "updateAreaPlane",
            value: function() {
                var e, t;
                this.point2dInfo && (this.areaPlane.geometry.dispose(),
                2 < this.points.length ? (this.areaPlane.geometry = Cf.getShapeGeo(this.point2dInfo.points2d),
                t = Up.getCenterOfGravityPoint(this.point2dInfo.points2d),
                (e = this.point2dInfo.points2d[0].clone()).z = 0,
                e.applyQuaternion(this.point2dInfo.quaInverse),
                e = this.point2dInfo.originPoint0.clone().sub(e),
                (t = new Cn(t.x,t.y,0)).applyQuaternion(this.point2dInfo.quaInverse),
                this.areaPlane.quaternion.copy(this.point2dInfo.quaInverse),
                this.areaPlane.position.copy(e),
                t.add(e),
                this.center = t) : this.areaPlane.geometry = new Sl)
            }
        }, {
            key: "update",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                if (0 !== this.points.length) {
                    for (var t = this.points.length - 1, n = 0; n <= t; n++) {
                        var i = this.points[n]
                          , r = this.points[t < n + 1 ? 0 : n + 1];
                        this.points[0 === n ? t : n - 1];
                        e.ifUpdateMarkers && this.updateMarker(this.markers[n], i);
                        var a = this.edges[n];
                        a && Sf.updateLine(a, [i, r])
                    }
                    this.areaPlane && this.updateAreaPlane(),
                    viewer.mapViewer && viewer.mapViewer.dispatchEvent("content_changed")
                }
            }
        }, {
            key: "dispose",
            value: function() {
                this.parent.remove(this),
                this.markers.concat(this.edges).forEach(function(e) {
                    return e.dispatchEvent({
                        type: "dispose"
                    })
                })
            }
        }, {
            key: "reDraw",
            value: function() {
                for (var e = this.points.length - (0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0); 0 < e; )
                    this.removeMarker(--e);
                this.point2dInfo = null,
                this.facePlane = null
            }
        }, {
            key: "setMarkerSelected",
            value: function() {}
        }, {
            key: "editStateChange",
            value: function(e) {
                e || (viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "polygon_isIntersectSelf"
                }),
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "polygon_AtWrongPlace"
                }),
                viewer.dispatchEvent({
                    type: "reticule_forbit",
                    v: !1
                }),
                this.markers.forEach(function(e) {
                    return e.isDragging = !1
                }))
            }
        }, {
            key: "transformData",
            value: function() {}
        }, {
            key: "setSelected",
            value: function() {}
        }, {
            key: "continueDrag",
            value: function(e, t) {
                var n = this
                  , i = e || t.drag.object;
                return i.isDragging = !0,
                setTimeout(function() {
                    n.parent && i.isDragging && viewer.inputHandler.startDragging(i, {
                        endDragFun: t.drag.endDragFun,
                        notPressMouse: t.drag.notPressMouse,
                        dragViewport: t.drag.dragViewport
                    })
                }, 1)
            }
        }]),
        a
    }();
    function kf(e, t) {
        for (var n = [], i = 0; i < e.length; i++) {
            var r = e[i];
            if (!n.find(function(e) {
                return e.equals(r)
            }) && (n.push(r),
            n.length == t))
                break
        }
        if (n.length == t)
            return n
    }
    var Bf, Lf, Rf = new _c, mu = new Yi(T.measure.default.color), Ff = new Yi(T.measure.highlight.color), If = new Yi(T.measure.color), pd = new Yi(T.measure.textColor), Of = {
        clipDistance: 4,
        occlusionDistance: 1
    }, zf = {
        clipDistance: 6,
        occlusionDistance: 2
    }, Nf = {
        minSize: 25,
        maxSize: 65,
        nearBound: .2,
        farBound: 4
    }, Uf = {
        width2d: 200
    }, Gf = {
        backgroundColor: {
            r: 255 * mu.r,
            g: 255 * mu.g,
            b: 255 * mu.b,
            a: T.measure.default.opacity
        },
        textColor: {
            r: 255 * pd.r,
            g: 255 * pd.g,
            b: 255 * pd.b,
            a: 1
        },
        fontsize: 16,
        useDepth: !0,
        renderOrder: 5,
        pickOrder: 5
    }, Hf = {
        backgroundColor: {
            r: 255,
            g: 255,
            b: 255,
            a: 1
        },
        textColor: {
            r: 0,
            g: 0,
            b: 0,
            a: 1
        },
        fontsize: 14,
        renderOrder: 4,
        pickOrder: 4
    }, gu = gn.degToRad(5), Vf = gu, jf = Math.PI / 2 - gu, Wf = function() {
        y(m, Df);
        var n = w(m);
        function m(e) {
            var t;
            return O(this, m),
            e.dimension = "2d",
            (t = n.call(this, "measure", e)).constructor.counter = void 0 === t.constructor.counter ? 0 : t.constructor.counter + 1,
            t.name = t.measureType + t.constructor.counter,
            t.markerLabels = [],
            t.edgeLabels = [],
            t.angleLabels = [],
            t.coordinateLabels = [],
            t.area = {
                value: 0,
                string: ""
            },
            t.closed && (t.areaLabel = t.createAreaLabel(),
            t.add(t.areaLabel)),
            (2 < t.maxMarkers || t.faceDirection) && t.createGuideLine(),
            "Distance" == t.measureType && t.createHorVerGuideLine(),
            t.selectStates = {},
            t.setUnitSystem(e.unit || viewer.unitConvert.UnitService.defaultSystem),
            viewer.setObjectLayers(g(t), "measure"),
            t.initData(e),
            t.points_datasets || (t.points_datasets = []),
            t.addEventListener("marker_dropped", function(e) {
                t.updateDatasetBelong(e.index)
            }),
            t.addEventListener("isVisible", function() {
                viewer.mapViewer && viewer.mapViewer.dispatchEvent({
                    type: "content_changed"
                })
            }),
            t
        }
        return h(m, [{
            key: "initData",
            value: function(e) {
                b(v(m.prototype), "initData", this).call(this, e) ? this.edges.forEach(function(e) {
                    e.dispatchEvent("addHoverEvent")
                }) : this.failBuilded = !0
            }
        }, {
            key: "updateDatasetBelong",
            value: function(e) {
                var t = this;
                if ("merge" != Potree.settings.editType) {
                    this.datasetId;
                    var n, i = {
                        id: null,
                        count: 0
                    }, r = {};
                    for (n in this.points_datasets.forEach(function(e) {
                        null != e && (r[e] ? r[e]++ : r[e] = 1)
                    }),
                    r)
                        r[n] > i.count && (i = {
                            id: n,
                            count: r[n]
                        });
                    this.datasetId = 0 < i.count ? i.id : null,
                    null == this.datasetId ? this.dataset_points = null : this.dataset_points = this.points.map(function(e) {
                        return Potree.Utils.datasetPosTransform({
                            toDataset: !0,
                            datasetId: t.datasetId,
                            position: e.clone()
                        })
                    })
                } else
                    this.dataset_points[e] = Potree.Utils.datasetPosTransform({
                        toDataset: !0,
                        datasetId: this.points_datasets[e],
                        position: this.points[e].clone()
                    })
            }
        }, {
            key: "transformByPointcloud",
            value: function() {
                var t = this;
                null != this.datasetId && (this.points = this.dataset_points.map(function(e) {
                    return Potree.Utils.datasetPosTransform({
                        fromDataset: !0,
                        datasetId: t.datasetId,
                        position: e.clone()
                    })
                }),
                this.getPoint2dInfo(this.points),
                this.update({
                    ifUpdateMarkers: !0
                }),
                this.setSelected(!1))
            }
        }, {
            key: "update",
            value: function() {
                var a = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                if (b(v(m.prototype), "update", this).call(this, e),
                this.showCoordinates && 0 < this.points.length) {
                    var t = this.points[0];
                    this.markers[0].position.copy(t);
                    var n = this.coordinateLabels[0]
                      , i = viewer.transform.lonlatToLocal.inverse(t.toArray())
                      , e = viewer.transform.lonlatTo4550.forward(i)
                      , e = [t.toArray(), i, e].map(function(e) {
                        return e.map(function(e) {
                            return Jf.addCommas(e.toFixed(10))
                        }).join(", ")
                    }).join("<br>");
                    return n.setText(e),
                    n.setPos(t),
                    void n.setVisible(!0)
                }
                for (var r, o, s, l = function(e, t, n, i) {
                    var r = (new Cn).addVectors(t, n).multiplyScalar(.5);
                    e.setPos(r),
                    i = null == i ? t.distanceTo(n) : i;
                    n = viewer.unitConvert.convert(i, "distance", 3, a.unitSystem, .1, !0);
                    return e.setText(n),
                    i
                }, u = this.points.length - 1, c = 0; c <= u; c++) {
                    var d, h, p = this.points[c], f = this.points[u < c + 1 ? 0 : c + 1];
                    this.points[0 === c ? u : c - 1];
                    this.showDistances && (d = this.edgeLabels[c],
                    h = p.distanceTo(f),
                    d.shouldVisi = (c < u || this.isRect || this.closed && !this.isNew) && 0 < h,
                    d.setVisible(d.shouldVisi),
                    d.visible && l(d, p, f, h))
                }
                "Distance" == this.measureType && 1 < this.points.length && (o = this.points[0].z > this.points[1].z ? (r = this.points[0],
                this.points[1]) : (r = this.points[1],
                this.points[0]),
                s = new Cn(r.x,r.y,o.z),
                n = r.distanceTo(s) / o.distanceTo(s),
                n = Math.atan(n),
                this.shouldShowHorVerGuide = Vf < n && n < jf,
                Sf.updateLine(this.verGuideEdge, [r, s]),
                Sf.updateLine(this.horGuideEdge, [o, s]),
                l(this.verEdgeLabel, r, s),
                l(this.horEdgeLabel, o, s),
                this.verGuideEdge.visible = this.horGuideEdge.visible = this.shouldShowHorVerGuide,
                this.verEdgeLabel.visible = this.horEdgeLabel.visible = this.shouldShowHorVerGuide),
                this.showArea && this.point2dInfo && (o = Math.abs(Up.getArea(this.point2dInfo.points2d)),
                s = viewer.unitConvert.convert(o, "area", 3, this.unitSystem),
                this.area = {
                    value: o,
                    string: s
                },
                this.areaLabel.setPos(this.center),
                this.areaLabel.setText(s),
                this.areaLabel.setVisible(!0))
            }
        }, {
            key: "addMarker",
            value: function() {
                var t, e, n = this, i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, r = new qp({
                    mat: this.getMarkerMaterial("default"),
                    sizeInfo: Nf,
                    name: "measure_point"
                });
                return viewer.setObjectLayers(r, "measure"),
                r.pickOrder = r.renderOrder = 3,
                r.markerSelectStates = {},
                r.addEventListener("startDragging", function(e) {
                    "MainView" == e.drag.dragViewport.name && viewer.inputHandler.dispatchEvent({
                        type: "isMeasuring",
                        v: !0,
                        cause: "startDragging"
                    })
                }),
                r.addEventListener("drop", function(e) {
                    viewer.inputHandler.dispatchEvent({
                        type: "isMeasuring",
                        v: !1,
                        cause: "stopDragging"
                    })
                }),
                (t = Sf.createFatLine([], {
                    material: this.getLineMat("edgeDefault")
                })).pickOrder = 0,
                viewer.setObjectLayers(t, "measure"),
                t.addEventListener("addHoverEvent", function e() {
                    t.addEventListener("mouseover", function(e) {
                        n.setSelected(!0, "edge")
                    }),
                    t.addEventListener("mouseleave", function(e) {
                        n.setSelected(!1, "edge")
                    }),
                    t.removeEventListener("addHoverEvent", e)
                }),
                b(v(m.prototype), "addMarker", this).call(this, {
                    point: i.point,
                    marker: r,
                    edge: t
                }),
                this.showEdges && (e = this.createEdgeLabel("edgeLabel", !this.closed),
                this.edgeLabels.push(e)),
                this.showCoordinates && ((e = new $p({
                    className: "measure_pointPos",
                    camera: viewer.scene.getActiveCamera()
                })).setVisible(!1),
                this.coordinateLabels.push(e)),
                this.dispatchEvent({
                    type: "marker_added",
                    measurement: this,
                    marker: r
                }),
                this.update(),
                r
            }
        }, {
            key: "editStateChange",
            value: function(e) {
                var t = this;
                b(v(m.prototype), "editStateChange", this).call(this, e),
                e ? this.isEditing || (this.dispatchEvent({
                    type: "editStateChange",
                    state: !0
                }),
                this.setEdgesDisplay(!0),
                clearTimeout(this.editStateTimer)) : this.editStateTimer = setTimeout(function() {
                    t.isEditing || (t.dispatchEvent({
                        type: "editStateChange",
                        state: !1
                    }),
                    t.setEdgesDisplay(!1))
                }, 100),
                this.isEditing = e
            }
        }, {
            key: "setMarkerSelected",
            value: function(e, t, n) {
                e.markerSelectStates[n] = t;
                var i, r = !1;
                for (i in e.markerSelectStates)
                    if ("hover" == e.markerSelectStates[i]) {
                        r = !0;
                        break
                    }
                e.material = r ? this.getMarkerMaterial("select") : this.getMarkerMaterial("default"),
                e.selected = r,
                viewer.mapViewer && viewer.mapViewer.dispatchEvent("content_changed")
            }
        }, {
            key: "setEdgesDisplay",
            value: function(t, e) {
                this.closed && this.edgeLabels.forEach(function(e) {
                    return e.setVisible(!(!t || !e.shouldVisi))
                }),
                e || "Distance" != this.measureType || (this.horEdgeLabel.visible = this.verEdgeLabel.visible = this.horGuideEdge.visible = this.verGuideEdge.visible = !(!t || !this.shouldShowHorVerGuide))
            }
        }, {
            key: "setSelected",
            value: function(e, t) {
                var n = this;
                t && (this.selectStates[t] = e);
                var i, r = !1;
                for (i in this.selectStates)
                    if (this.selectStates[i]) {
                        r = !0;
                        break
                    }
                r ? (this.markers.forEach(function(e) {
                    return n.setMarkerSelected(e, "hover", "selectAll")
                }),
                this.edges.forEach(function(e) {
                    return e.material = n.getLineMat("edgeSelect")
                }),
                this.areaPlane && (this.areaPlane.material = Lf.selected),
                this.setEdgesDisplay(!0, "screenshot" == t),
                this.areaLabel && Xf(this.areaLabel, !0),
                this.closed || this.edgeLabels.forEach(function(e) {
                    return Xf(e, !0)
                })) : (this.markers.forEach(function(e) {
                    return n.setMarkerSelected(e, "unhover", "selectAll")
                }),
                this.edges.forEach(function(e) {
                    return e.material = n.getLineMat("edgeDefault")
                }),
                this.areaPlane && (this.areaPlane.material = Lf.default),
                this.setEdgesDisplay(!1, "screenshot" == t),
                this.areaLabel && Xf(this.areaLabel, !1),
                this.closed || this.edgeLabels.forEach(function(e) {
                    return Xf(e, !1)
                })),
                this.selected = r,
                viewer.mapViewer && viewer.mapViewer.dispatchEvent("content_changed"),
                "byList" != t && this.dispatchEvent({
                    type: "highlight",
                    state: this.selected
                })
            }
        }, {
            key: "removeMarker",
            value: function(e) {
                b(v(m.prototype), "removeMarker", this).call(this, e),
                this.points_datasets.splice(e, 1),
                this.dataset_points && this.dataset_points.splice(e, 1),
                this.coordinateLabels.splice(e, 1);
                this.edgeLabels[e] && (this.edgeLabels[e].dispose(),
                this.edgeLabels.splice(e, 1)),
                this.update(),
                this.dispatchEvent({
                    type: "marker_removed",
                    measurement: this
                })
            }
        }, {
            key: "setPosition",
            value: function(e, t) {
                b(v(m.prototype), "setPosition", this).call(this, e, t);
                t = {
                    type: "marker_moved",
                    measure: this,
                    index: e,
                    position: t.clone()
                };
                this.dispatchEvent(t)
            }
        }, {
            key: "dispose",
            value: function() {
                var e = this.edgeLabels.concat(this.coordinateLabels);
                this.areaLabel && e.push(this.areaLabel),
                e.forEach(function(e) {
                    return e.dispatchEvent({
                        type: "dispose"
                    })
                }),
                b(v(m.prototype), "dispose", this).call(this)
            }
        }, {
            key: "getTotalDistance",
            value: function() {
                if (0 === this.points.length)
                    return 0;
                for (var e, t = 0, n = 1; n < this.points.length; n++) {
                    var i = this.points[n - 1]
                      , r = this.points[n];
                    t += i.distanceTo(r)
                }
                return this.closed && 1 < this.points.length && (e = this.points[0],
                t += this.points[this.points.length - 1].distanceTo(e)),
                t
            }
        }, {
            key: "getAngleBetweenLines",
            value: function(e, t, n) {
                t = (new Cn).subVectors(t, e),
                e = (new Cn).subVectors(n, e);
                return 0 === Math.sqrt(t.lengthSq() * e.lengthSq()) ? 0 : t.angleTo(e)
            }
        }, {
            key: "getAngle",
            value: function(e) {
                if (this.points.length < 3 || e >= this.points.length)
                    return 0;
                var t = 0 === e ? this.points[this.points.length - 1] : this.points[e - 1]
                  , n = this.points[e]
                  , e = this.points[(e + 1) % this.points.length];
                return this.getAngleBetweenLines(n, t, e)
            }
        }, {
            key: "getCenter",
            value: function() {
                return 3 <= this.points.length ? this.center.clone() : 2 == this.points.length ? this.points[0].clone().add(this.points[1]).multiplyScalar(.5) : this.points[0].clone()
            }
        }, {
            key: "createGuideLine",
            value: function() {
                var e = Sf.createFatLine([], {
                    material: this.getLineMat("guide")
                });
                e.visible = !1,
                this.guideLine = e,
                this.add(e)
            }
        }, {
            key: "createHorVerGuideLine",
            value: function() {
                var e = Sf.createFatLine([], {
                    material: this.getLineMat("guide")
                });
                e.visible = !1,
                this.verGuideEdge = e;
                e = Sf.createFatLine([], {
                    material: this.getLineMat("guide")
                });
                e.visible = !1,
                this.horGuideEdge = e,
                this.add(this.verGuideEdge),
                this.add(this.horGuideEdge),
                this.verEdgeLabel = this.createEdgeLabel("verGuideEdge"),
                this.horEdgeLabel = this.createEdgeLabel("horGuideEdge")
            }
        }, {
            key: "createEdgeLabel",
            value: function(e, t) {
                var n = this
                  , e = new Jp($.extend(t ? Gf : Hf, {
                    sizeInfo: Uf,
                    name: e || "edgeLabel"
                }));
                return t && (e.addEventListener("mouseover", function() {
                    n.setSelected(!0, "edgeLabel")
                }),
                e.addEventListener("mouseleave", function() {
                    n.setSelected(!1, "edgeLabel")
                }),
                e.addEventListener("click", function() {
                    viewer.focusOnObject(n, "measure")
                })),
                e.visible = !1,
                e.sprite.material.depthTestWhenPick = !0,
                viewer.setObjectLayers(e, "measure"),
                this.add(e),
                e
            }
        }, {
            key: "createAreaLabel",
            value: function() {
                var e = this
                  , t = new Jp($.extend(Gf, {
                    sizeInfo: Uf,
                    name: "areaLabel_"
                }));
                return t.addEventListener("mouseover", function() {
                    e.setSelected(!0, "areaLabel")
                }),
                t.addEventListener("mouseleave", function() {
                    e.setSelected(!1, "areaLabel")
                }),
                t.addEventListener("click", function() {
                    viewer.focusOnObject(e, "measure")
                }),
                viewer.setObjectLayers(t, "measure"),
                t.visible = !1,
                t
            }
        }, {
            key: "getMarkerMaterial",
            value: function(e) {
                return Bf || (Bf = {
                    default: new Wp($.extend({}, Of, {
                        transparent: !0,
                        opacity: 1,
                        map: Rf.load(Potree.resourcePath + "/textures/pic_point_s32.png"),
                        useDepth: !0
                    })),
                    select: new $i({
                        transparent: !0,
                        opacity: 1,
                        depthTest: !1,
                        map: Rf.load(Potree.resourcePath + "/textures/pic_point32.png")
                    })
                },
                m.markerMats = Bf),
                Bf[e]
            }
        }, {
            key: "getLineMat",
            value: function(e) {
                return (m.lineMats = !m.lineMats ? {
                    edgeDefault: Sf.createFatLineMat({
                        color: T.measure.default.color,
                        lineWidth: T.measure.lineWidth,
                        useDepth: !0,
                        dashWithDepth: !0,
                        dashed: !0,
                        dashSize: .04,
                        gapSize: .04,
                        transparent: !0,
                        opacity: T.measure.default.opacity,
                        depthTestWhenPick: !0
                    }),
                    edgeSelect: Sf.createFatLineMat({
                        color: T.measure.highlight.color,
                        dashSize: .5,
                        gapSize: .2,
                        lineWidth: T.measure.lineWidth,
                        transparent: !0,
                        opacity: T.measure.highlight.opacity
                    }),
                    guide: Sf.createFatLineMat({
                        color: T.measure.guide.color,
                        dashSize: .1,
                        gapSize: .02,
                        dashed: !0,
                        lineWidth: T.measure.lineWidth
                    })
                } : m.lineMats)[e]
            }
        }, {
            key: "createAreaPlane",
            value: function() {
                return Lf || (Lf = {
                    default: new Wp($.extend({}, zf, {
                        color: If,
                        side: Y,
                        opacity: .2,
                        transparent: !0,
                        useDepth: !0
                    })),
                    selected: new $i({
                        color: If,
                        side: Y,
                        opacity: .3,
                        transparent: !0
                    })
                },
                m.planeMats = Lf),
                b(v(m.prototype), "createAreaPlane", this).call(this, Lf.default)
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                for (var n = 0; n < this.points.length; n++)
                    this.markers[n].raycast(e, t);
                for (var i = 0; i < t.length; i++) {
                    var r = t[i];
                    r.distance = e.ray.origin.distanceTo(r.point)
                }
                t.sort(function(e, t) {
                    return e.distance - t.distance
                })
            }
        }, {
            key: "transformData",
            value: function(e) {
                "Point" == e.measureType ? (e.showCoordinates = !0,
                e.closed = !0,
                e.maxMarkers = 1,
                e.minMarkers = 1) : "Distance" == e.measureType ? (e.showDistances = !0,
                e.closed = !1,
                e.showEdges = !0,
                e.maxMarkers = 2,
                e.minMarkers = 2) : "Ver Distance" == e.measureType ? (e.showDistances = !0,
                e.closed = !1,
                e.showEdges = !0,
                e.maxMarkers = 2,
                e.minMarkers = 2,
                e.faceDirection = "vertical",
                e.unableDragAtMap = !0) : "Hor Distance" == e.measureType ? (e.showDistances = !0,
                e.closed = !1,
                e.showEdges = !0,
                e.maxMarkers = 2,
                e.minMarkers = 2,
                e.faceDirection = "horizontal") : "Area" == e.measureType ? (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 3) : "Hor Area" == e.measureType ? (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 3,
                e.faceDirection = "horizontal") : "Ver Area" == e.measureType ? (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 3,
                e.faceDirection = "vertical",
                e.unableDragAtMap = !0) : "Rect Area" == e.measureType ? (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 4,
                e.maxMarkers = 4) : "Hor Rect Area" == e.measureType ? (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 4,
                e.maxMarkers = 4,
                e.isRect = !0,
                e.faceDirection = "horizontal") : "Ver Rect Area" == e.measureType && (e.showDistances = !0,
                e.showArea = !0,
                e.showEdges = !0,
                e.closed = !0,
                e.minMarkers = 4,
                e.maxMarkers = 4,
                e.isRect = !0,
                e.faceDirection = "vertical",
                e.unableDragAtMap = !0)
            }
        }, {
            key: "setUnitSystem",
            value: function(e) {
                e != this.unitSystem && (this.unitSystem = e,
                this.update())
            }
        }, {
            key: "reDraw",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 0;
                b(v(m.prototype), "reDraw", this).call(this, e),
                "Distance" == this.measureType && (this.shouldShowHorVerGuide = !1,
                this.setEdgesDisplay(!1)),
                this.showArea && (this.area = {
                    value: 0
                },
                this.areaLabel && this.areaLabel.setVisible(!1)),
                viewer.inputHandler.dispatchEvent({
                    type: "isMeasuring",
                    v: !0,
                    cause: "reDraw"
                })
            }
        }]),
        m
    }();
    function Xf(e, t) {
        t ? (e.backgroundColor = {
            r: 255 * Ff.r,
            g: 255 * Ff.g,
            b: 255 * Ff.b,
            a: T.measure.highlight.opacity
        },
        e.backgroundColor.a = T.measure.highlight.opacity,
        e.sprite.material.useDepth = !1) : (e.backgroundColor = Gf.backgroundColor,
        e.backgroundColor.a = T.measure.default.opacity,
        e.sprite.material.useDepth = !0),
        e.updateTexture()
    }
    var qf = function() {
        y(r, Si);
        var i = w(r);
        function r(e) {
            var t, n;
            return O(this, r),
            (n = i.call(this)).constructor.counter = void 0 === n.constructor.counter ? 0 : n.constructor.counter + 1,
            n.name = "polygon_clip_volume_" + n.constructor.counter,
            n.camera = e.clone(),
            (t = n.camera.rotation).set.apply(t, Q(e.rotation.toArray())),
            n.camera.rotation.order = e.rotation.order,
            n.camera.updateMatrixWorld(),
            n.camera.updateProjectionMatrix(),
            n.camera.matrixWorldInverse.copy(n.camera.matrixWorld).invert(),
            n.viewMatrix = n.camera.matrixWorldInverse.clone(),
            n.projMatrix = n.camera.projectionMatrix.clone(),
            n.markers = [],
            n.initialized = !1,
            n
        }
        return h(r, [{
            key: "addMarker",
            value: function() {
                function t(e) {
                    var t = e.viewer.renderer.getSize(new yn)
                      , t = new Cn(e.drag.end.x / t.width * 2 - 1,e.drag.end.y / t.height * -2 + 1,0);
                    i.position.copy(t)
                }
                function n(e) {
                    r()
                }
                var i = new Hr
                  , r = function(e) {
                    i.removeEventListener("drag", t),
                    i.removeEventListener("drop", n)
                };
                i.addEventListener("drag", t),
                i.addEventListener("drop", n),
                this.markers.push(i)
            }
        }, {
            key: "removeLastMarker",
            value: function() {
                0 < this.markers.length && this.markers.splice(this.markers.length - 1, 1)
            }
        }]),
        r
    }()
      , Jf = function() {
        function g() {
            O(this, g)
        }
        var t, n, i;
        return h(g, null, [{
            key: "loadShapefileFeatures",
            value: (i = r(regeneratorRuntime.mark(function e(t, n) {
                var i, r, a, o;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return i = [],
                            r = function() {
                                n(i)
                            }
                            ,
                            e.next = 4,
                            shapefile.open(t);
                        case 4:
                            a = e.sent;
                        case 5:
                            return e.next = 8,
                            a.read();
                        case 8:
                            if ((o = e.sent).done)
                                return r(),
                                e.abrupt("break", 15);
                            e.next = 12;
                            break;
                        case 12:
                            o.value && "Feature" === o.value.type && void 0 !== o.value.geometry && i.push(o.value),
                            e.next = 5;
                            break;
                        case 15:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t) {
                return i.apply(this, arguments)
            }
            )
        }, {
            key: "toString",
            value: function(e) {
                return null != e.x ? e.x.toFixed(2) + ", " + e.y.toFixed(2) + ", " + e.z.toFixed(2) : "" + e
            }
        }, {
            key: "normalizeURL",
            value: function(e) {
                e = new URL(e);
                return e.protocol + "//" + e.hostname + e.pathname.replace(/\/+/g, "/")
            }
        }, {
            key: "pathExists",
            value: function(e) {
                var t = Gp.createXMLHttpRequest();
                return t.open("GET", e, !1),
                t.send(null),
                200 === t.status
            }
        }, {
            key: "debugSphere",
            value: function(e, t, n, i) {
                var r = new Su(1,8,8)
                  , i = void 0 !== i ? new $i({
                    color: i
                }) : new Xu
                  , i = new Hr(r,i);
                return i.position.copy(t),
                i.scale.set(n, n, n),
                e.add(i),
                i
            }
        }, {
            key: "debugLine",
            value: function(e, t, n, i) {
                var r = new tl({
                    color: i
                })
                  , a = new Sl
                  , i = new Cn(0,0,0)
                  , n = n.clone().sub(t);
                a.vertices.push(i, n);
                r = new sl(a,r);
                return r.position.copy(t),
                e.add(r),
                {
                    node: r,
                    set: function(e, t) {
                        a.vertices[0].copy(e),
                        a.vertices[1].copy(t),
                        a.verticesNeedUpdate = !0
                    }
                }
            }
        }, {
            key: "debugCircle",
            value: function(e, t, n, i, r) {
                for (var r = new tl({
                    color: r
                }), a = new Sl, o = 0; o <= 32; o++) {
                    var s = 2 * Math.PI * (o / 32)
                      , l = 2 * Math.PI * (o + 1) / 32
                      , s = new Cn(Math.cos(s),Math.sin(s),0)
                      , l = new Cn(Math.cos(l),Math.sin(l),0);
                    a.vertices.push(s, l)
                }
                r = new sl(a,r);
                r.position.copy(t),
                r.scale.set(n, n, n),
                e.add(r)
            }
        }, {
            key: "debugBox",
            value: function(e, t) {
                var n, i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : new ni, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 16776960, a = [[t.min.x, t.min.y, t.min.z], [t.min.x, t.min.y, t.max.z], [t.min.x, t.max.y, t.min.z], [t.min.x, t.max.y, t.max.z], [t.max.x, t.min.y, t.min.z], [t.max.x, t.min.y, t.max.z], [t.max.x, t.max.y, t.min.z], [t.max.x, t.max.y, t.max.z]].map(function(e) {
                    return B(Cn, Q(e))
                }), o = t.getCenter(new Cn), t = [{
                    position: [t.min.x, o.y, o.z],
                    color: 16711680
                }, {
                    position: [t.max.x, o.y, o.z],
                    color: 8912896
                }, {
                    position: [o.x, t.min.y, o.z],
                    color: 65280
                }, {
                    position: [o.x, t.max.y, o.z],
                    color: 34816
                }, {
                    position: [o.x, o.y, t.min.z],
                    color: 255
                }, {
                    position: [o.x, o.y, t.max.z],
                    color: 136
                }], s = ue(a);
                try {
                    for (s.s(); !(n = s.n()).done; ) {
                        var l = n.value.clone().applyMatrix4(i);
                        g.debugSphere(e, l, .1, 16711680)
                    }
                } catch (e) {
                    s.e(e)
                } finally {
                    s.f()
                }
                for (var u = 0, c = [[0, 4], [4, 5], [5, 1], [1, 0], [2, 6], [6, 7], [7, 3], [3, 2], [0, 2], [4, 6], [5, 7], [1, 3]]; u < c.length; u++) {
                    var d = c[u]
                      , h = a[d[0]].clone().applyMatrix4(i)
                      , d = a[d[1]].clone().applyMatrix4(i);
                    g.debugLine(e, h, d, r)
                }
                for (var p = 0, f = t; p < f.length; p++) {
                    var m = f[p]
                      , v = B(Cn, Q(m.position)).applyMatrix4(i);
                    g.debugSphere(e, v, .1, m.color)
                }
            }
        }, {
            key: "debugPlane",
            value: function(e, t) {
                t = new Hh(t,2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1,3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 255);
                e.add(t)
            }
        }, {
            key: "computeTransformedBoundingBox",
            value: function(e, t) {
                e = [new Cn(e.min.x,e.min.y,e.min.z).applyMatrix4(t), new Cn(e.min.x,e.min.y,e.min.z).applyMatrix4(t), new Cn(e.max.x,e.min.y,e.min.z).applyMatrix4(t), new Cn(e.min.x,e.max.y,e.min.z).applyMatrix4(t), new Cn(e.min.x,e.min.y,e.max.z).applyMatrix4(t), new Cn(e.min.x,e.max.y,e.max.z).applyMatrix4(t), new Cn(e.max.x,e.max.y,e.min.z).applyMatrix4(t), new Cn(e.max.x,e.min.y,e.max.z).applyMatrix4(t), new Cn(e.max.x,e.max.y,e.max.z).applyMatrix4(t)],
                t = new kn;
                return t.setFromPoints(e),
                t
            }
        }, {
            key: "addCommas",
            value: function(e) {
                for (var e = (e += "").split("."), t = e[0], e = 1 < e.length ? "." + e[1] : "", n = /(\d+)(\d{3})/; n.test(t); )
                    t = t.replace(n, "$1,$2");
                return t + e
            }
        }, {
            key: "removeCommas",
            value: function(e) {
                return e.replace(/,/g, "")
            }
        }, {
            key: "createWorker",
            value: function(e) {
                e = new Blob([e],{
                    type: "application/javascript"
                });
                return new Worker(URL.createObjectURL(e))
            }
        }, {
            key: "moveTo",
            value: function(e, t, n) {
                var i = e.view
                  , r = e.getActiveCamera()
                  , e = TWEEN.Easing.Quartic.Out
                  , t = new TWEEN.Tween(i.position).to(t, 500);
                t.easing(e),
                t.start();
                var t = r.position.distanceTo(n)
                  , a = (new Cn).addVectors(r.position, r.getWorldDirection(new Cn).clone().multiplyScalar(t))
                  , n = new TWEEN.Tween(a).to(n, 500);
                n.easing(e),
                n.onUpdate(function() {
                    i.lookAt(a)
                }),
                n.onComplete(function() {
                    i.lookAt(a)
                }),
                n.start()
            }
        }, {
            key: "loadSkybox",
            value: function(e) {
                var t = new Si
                  , n = new $r(75,window.innerWidth / window.innerHeight,1,1e5);
                window.axisYup || n.up.set(0, 0, 1);
                for (var i = new gs, r = ".jpg", a = [e + "px" + r, e + "nx" + r, e + "py" + r, e + "ny" + r, e + "pz" + r, e + "nz" + r], o = [], s = 0; s < 6; s++)
                    !function(e) {
                        var t = new $i({
                            map: null,
                            side: J,
                            depthTest: !1,
                            depthWrite: !1,
                            color: 4343126
                        });
                        o.push(t),
                        (new _c).load(a[e], function(e) {
                            t.map = e,
                            t.needsUpdate = !0,
                            t.color.setHex(16777215)
                        }, function(e) {}, function(e) {
                            console.log("An error happened", e)
                        })
                    }(s);
                r = new Hr(new Cl(700,700,700),o);
                return i.add(r),
                i.traverse(function(e) {
                    return e.frustumCulled = !1
                }),
                i.rotation.x = Math.PI / 2,
                t.children.push(n),
                n.parent = t,
                {
                    camera: n,
                    scene: i,
                    parent: t
                }
            }
        }, {
            key: "createGrid",
            value: function(e, t, n, i) {
                for (var i = new tl({
                    color: i || 8947848
                }), r = new Sl, a = 0; a <= t; a++)
                    r.vertices.push(new Cn(-n * e / 2,a * n - n * t / 2,0)),
                    r.vertices.push(new Cn(+n * e / 2,a * n - n * t / 2,0));
                for (var o = 0; o <= e; o++)
                    r.vertices.push(new Cn(o * n - n * e / 2,-n * t / 2,0)),
                    r.vertices.push(new Cn(o * n - n * e / 2,+n * t / 2,0));
                i = new cl(r,i);
                return i.receiveShadow = !0,
                i
            }
        }, {
            key: "createBackgroundTexture",
            value: function(e, t) {
                function n(e, t) {
                    return 1 / (2 * Math.PI) * Math.exp(-(e * e + t * t) / 2)
                }
                for (var i = new Uint8Array(3 * (e * t)), r = [1, 1.5, 1.7], a = n(0, 0), o = 0; o < e; o++)
                    for (var s = 0; s < t; s++) {
                        var l = o + e * s
                          , u = n(2 * (o / e * 2 - 1), 2 * (s / t * 2 - 1)) / a
                          , c = (.5 * u + .5) * (c = (Math.random() + Math.random() + Math.random()) / 3) * .03;
                        c *= .4,
                        i[3 * l + 0] = 255 * (u / 15 + .05 + c) * r[0],
                        i[3 * l + 1] = 255 * (u / 15 + .05 + c) * r[1],
                        i[3 * l + 2] = 255 * (u / 15 + .05 + c) * r[2]
                    }
                var d = new ia(i,e,t,$e);
                return d.needsUpdate = !0,
                d
            }
        }, {
            key: "getMousePointCloudIntersection",
            value: function(e, t, n, i, r, a) {
                var o = 6 < arguments.length && void 0 !== arguments[6] ? arguments[6] : {};
                if (a && 0 != a.length) {
                    var s = r.renderer;
                    e ? (o.x = t.x,
                    o.y = e.resolution.y - t.y) : (o.x = t.x,
                    o.y = s.domElement.clientHeight - t.y);
                    t = new sh;
                    t.setFromCamera(n, i);
                    var l, u, c = t.ray, d = null, h = 1 / 0, p = null, f = null, m = new Map;
                    o.isMeasuring || "showPanos" == Potree.settings.displayMode ? (l = Potree.settings.pointDensity,
                    Potree.settings.pointDensity = "magnifier",
                    a.forEach(function(e) {
                        m.set(e, e.temp.pointSize),
                        u = e.material.pointSizeType,
                        e.material.pointSizeType = Potree.config.material.pointSizeType,
                        e.changePointSize(2 * Potree.config.material.realPointSize, !0)
                    }),
                    Potree.updatePointClouds(a, i, e.resolution)) : (1 < r.viewports.filter(function(e) {
                        return !e.noPointcloud && e.active
                    }).length || o.cameraChanged) && (e.beforeRender && e.beforeRender(),
                    Potree.updatePointClouds(a, i, e.resolution));
                    var v, g = [], y = ue(a);
                    try {
                        for (y.s(); !(v = y.n()).done; ) {
                            var w, b = v.value, x = b.pick(r, e, i, c, o);
                            x && (g.push(b),
                            (w = i.position.distanceTo(x.position)) < h && (h = w,
                            d = b,
                            p = x.position,
                            f = x))
                        }
                    } catch (e) {
                        y.e(e)
                    } finally {
                        y.f()
                    }
                    return !o.isMeasuring && "showPanos" != Potree.settings.displayMode || (Potree.settings.pointDensity = l,
                    a.forEach(function(e) {
                        e.material.pointSizeType = u,
                        e.changePointSize(m.get(e))
                    })),
                    d ? {
                        location: p,
                        distance: h,
                        pointcloud: d,
                        point: f,
                        pointclouds: g,
                        normal: (new Cn).fromArray(f.normal)
                    } : null
                }
            }
        }, {
            key: "renderTargetToDataUrl",
            value: function(e, t, n, i) {
                var r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : .7
                  , a = new Uint8Array(4 * (t * n));
                return i.readRenderTargetPixels(e, 0, 0, t, n, a),
                Potree.Utils.pixelsArrayToDataUrl(a, t, n, r)
            }
        }, {
            key: "pixelsArrayToDataUrl",
            value: function(e, t, n) {
                var i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : .7
                  , r = document.createElement("canvas");
                r.width = t,
                r.height = n;
                var a = r.getContext("2d");
                e = new e.constructor(e);
                for (var o = 4 * t, s = 0; s < parseInt(n / 2); s++) {
                    var l = n - s - 1
                      , u = e.slice(s * o, s * o + o)
                      , c = e.slice(l * o, l * o + o);
                    e.set(c, s * o),
                    e.set(u, l * o)
                }
                t = a.createImageData(t, n);
                return t.data.set(e),
                a.putImageData(t, 0, 0),
                r.toDataURL(i)
            }
        }, {
            key: "removeListeners",
            value: function(e, t) {
                void 0 !== e._listeners && e._listeners[t] && delete e._listeners[t]
            }
        }, {
            key: "mouseToRay",
            value: function(e, t) {
                var n = new Cn(e.x,e.y,1)
                  , e = new Cn(e.x,e.y,-1);
                n.unproject(t),
                e.unproject(t);
                n = (new Cn).subVectors(n, e).normalize();
                return new ti(e,n)
            }
        }, {
            key: "getPos2d",
            value: function(e, t, n, i) {
                var r = Up.closeTo(t.position, e, 1e-5) ? new Cn(0,0,1.5) : e.clone().project(t)
                  , a = (r.x + 1) / 2 * n.clientWidth * i.width
                  , e = (1 - (r.y + 1) / 2) * n.clientHeight * i.height
                  , t = i.left * n.clientWidth
                  , i = (1 - i.bottom - i.height) * n.clientHeight
                  , n = r.x <= 1 && -1 <= r.x && r.x <= 1 && -1 <= r.y;
                return {
                    pos: new yn(t + a,i + e),
                    vector: r,
                    trueSide: r.z < 1,
                    inSight: n,
                    posInViewport: new yn(a,e)
                }
            }
        }, {
            key: "projectedRadius",
            value: function(e, t, n, i, r) {
                if (t instanceof ed)
                    return g.projectedRadiusOrtho(e, t.projectionMatrix, i, r);
                if (t instanceof $r)
                    return g.projectedRadiusPerspective(e, t.fov * Math.PI / 180, n, r);
                throw new Error("invalid parameters")
            }
        }, {
            key: "projectedRadiusPerspective",
            value: function(e, t, n, i) {
                return e * (1 / Math.tan(t / 2) / n * i / 2)
            }
        }, {
            key: "projectedRadiusOrtho",
            value: function(e, t, n, i) {
                var r = new Mn(0)
                  , e = new Mn(e);
                return r.applyMatrix4(t),
                e.applyMatrix4(t),
                r = new Cn(r.x,r.y,r.z),
                e = new Cn(e.x,e.y,e.z),
                r.x = .5 * (r.x + 1) * n,
                r.y = .5 * (r.y + 1) * i,
                e.x = .5 * (e.x + 1) * n,
                e.y = .5 * (e.y + 1) * i,
                r.distanceTo(e)
            }
        }, {
            key: "topView",
            value: function(e, t) {
                e.position.set(0, 1, 0),
                e.rotation.set(-Math.PI / 2, 0, 0),
                e.zoomTo(t, 1)
            }
        }, {
            key: "frontView",
            value: function(e, t) {
                e.position.set(0, 0, 1),
                e.rotation.set(0, 0, 0),
                e.zoomTo(t, 1)
            }
        }, {
            key: "leftView",
            value: function(e, t) {
                e.position.set(-1, 0, 0),
                e.rotation.set(0, -Math.PI / 2, 0),
                e.zoomTo(t, 1)
            }
        }, {
            key: "rightView",
            value: function(e, t) {
                e.position.set(1, 0, 0),
                e.rotation.set(0, Math.PI / 2, 0),
                e.zoomTo(t, 1)
            }
        }, {
            key: "findClosestGpsTime",
            value: function(e, t) {
                var n, i = performance.now(), r = [], a = ue(t.scene.pointclouds);
                try {
                    for (a.s(); !(n = a.n()).done; ) {
                        var o = n.value;
                        r.push(o.root);
                        var s, l = ue(o.root.children);
                        try {
                            for (l.s(); !(s = l.n()).done; ) {
                                var u = s.value;
                                u && r.push(u)
                            }
                        } catch (e) {
                            l.e(e)
                        } finally {
                            l.f()
                        }
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
                for (var c = null, d = 1 / 0, h = 1 / 0, p = 0, f = r; p < f.length; p++) {
                    var m = f[p];
                    if (null != m.geometryNode && null != m.geometryNode.geometry && null != m.sceneNode)
                        for (var v = m.geometryNode.geometry.attributes["gps-time"], g = v.potree.range, y = 0; y < v.array.length; y++) {
                            var w = (w = v.array[y]) * (g[1] - g[0]) + g[0]
                              , w = Math.abs(e - w);
                            w < h && (d = y,
                            h = w,
                            c = m)
                        }
                }
                t = c.geometryNode.geometry,
                t = new Cn(t.attributes.position.array[3 * d + 0],t.attributes.position.array[3 * d + 1],t.attributes.position.array[3 * d + 2]);
                t.applyMatrix4(c.sceneNode.matrixWorld);
                i = performance.now() - i;
                return console.log("duration: ".concat(i.toFixed(3), "ms")),
                {
                    node: c,
                    index: d,
                    position: t
                }
            }
        }, {
            key: "frustumSphereIntersection",
            value: function(e, t) {
                for (var n = e.planes, i = t.center, r = -t.radius, a = Number.MAX_VALUE, o = 0; o < 6; o++) {
                    var s = n[o].distanceToPoint(i);
                    if (s < r)
                        return 0;
                    a = Math.min(a, s)
                }
                return a >= t.radius ? 2 : 1
            }
        }, {
            key: "generateDataTexture",
            value: function(e, t, n) {
                for (var i = e * t, r = new Uint8Array(4 * e * t), a = Math.floor(255 * n.r), o = Math.floor(255 * n.g), s = Math.floor(255 * n.b), l = 0; l < i; l++)
                    r[3 * l] = a,
                    r[3 * l + 1] = o,
                    r[3 * l + 2] = s;
                t = new ia(r,e,t,et);
                return t.needsUpdate = !0,
                t.magFilter = Re,
                t
            }
        }, {
            key: "getParameterByName",
            value: function(e) {
                e = e.replace(/[[]/, "\\[").replace(/[\]]/, "\\]");
                e = new RegExp("[\\?&]" + e + "=([^&#]*)").exec(document.location.search);
                return null === e ? null : decodeURIComponent(e[1].replace(/\+/g, " "))
            }
        }, {
            key: "setParameter",
            value: function(e, t) {
                e = e.replace(/[[]/, "\\[").replace(/[\]]/, "\\]");
                var n = new RegExp("([\\?&])(" + e + "=([^&#]*))").exec(document.location.search)
                  , i = window.location.href;
                i = null === n ? (0 === window.location.search.length ? i += "?" : i += "&",
                i + e + "=" + t) : i.replace(n[2], e + "=" + t),
                window.history.replaceState({}, "", i)
            }
        }, {
            key: "createChildAABB",
            value: function(e, t) {
                var n = e.min.clone()
                  , i = e.max.clone()
                  , e = (new Cn).subVectors(i, n);
                return 0 < (1 & t) ? n.z += e.z / 2 : i.z -= e.z / 2,
                0 < (2 & t) ? n.y += e.y / 2 : i.y -= e.y / 2,
                0 < (4 & t) ? n.x += e.x / 2 : i.x -= e.x / 2,
                new kn(n,i)
            }
        }, {
            key: "clipboardCopy",
            value: function(e) {
                var t = document.createElement("textarea");
                t.style.position = "fixed",
                t.style.top = 0,
                t.style.left = 0,
                t.style.width = "2em",
                t.style.height = "2em",
                t.style.padding = 0,
                t.style.border = "none",
                t.style.outline = "none",
                t.style.boxShadow = "none",
                t.style.background = "transparent",
                t.value = e,
                document.body.appendChild(t),
                t.select();
                try {
                    document.execCommand("copy") ? console.log("copied text to clipboard") : console.log("copy to clipboard failed")
                } catch (e) {
                    console.log("error while trying to copy to clipboard")
                }
                document.body.removeChild(t)
            }
        }, {
            key: "getMeasurementIcon",
            value: function(e) {
                return e instanceof Wf ? !e.showDistances || e.showArea || e.showAngles ? e.showDistances && e.showArea && !e.showAngles ? "".concat(Potree.resourcePath, "/icons/area.svg") : 1 === e.maxMarkers ? "".concat(Potree.resourcePath, "/icons/point.svg") : e.showDistances || e.showArea || !e.showAngles ? e.showHeight ? "".concat(Potree.resourcePath, "/icons/height.svg") : "".concat(Potree.resourcePath, "/icons/distance.svg") : "".concat(Potree.resourcePath, "/icons/angle.png") : "".concat(Potree.resourcePath, "/icons/distance.svg") : e instanceof Kp ? "".concat(Potree.resourcePath, "/icons/profile.svg") : e instanceof Yp ? "".concat(Potree.resourcePath, "/icons/volume.svg") : e instanceof qf ? "".concat(Potree.resourcePath, "/icons/clip-polygon.svg") : void 0
            }
        }, {
            key: "lineToLineIntersection",
            value: function(e, t, n, i) {
                function r(e, t, n, i) {
                    return (a[e].x - a[t].x) * (a[n].x - a[i].x) + (a[e].y - a[t].y) * (a[n].y - a[i].y) + (a[e].z - a[t].z) * (a[n].z - a[i].z)
                }
                var a = [e, t, n, i]
                  , o = (r(0, 2, 3, 2) * r(3, 2, 1, 0) - r(0, 2, 1, 0) * r(3, 2, 3, 2)) / (r(1, 0, 1, 0) * r(3, 2, 3, 2) - r(3, 2, 1, 0) * r(3, 2, 1, 0))
                  , s = (r(0, 2, 3, 2) + o * r(3, 2, 1, 0)) / r(3, 2, 3, 2)
                  , t = t.clone().sub(e)
                  , i = i.clone().sub(n)
                  , o = e.clone().add(t.multiplyScalar(o))
                  , s = n.clone().add(i.multiplyScalar(s));
                return o.clone().add(s).multiplyScalar(.5)
            }
        }, {
            key: "computeCircleCenter",
            value: function(e, t, n) {
                var i = t.clone().sub(e)
                  , r = n.clone().sub(e)
                  , a = r.clone().cross(i).normalize()
                  , i = i.clone().cross(a).normalize()
                  , a = r.clone().cross(a).normalize()
                  , t = e.clone().add(t).multiplyScalar(.5)
                  , e = e.clone().add(n).multiplyScalar(.5)
                  , n = t
                  , t = t.clone().add(i)
                  , i = e
                  , a = e.clone().add(a);
                return g.lineToLineIntersection(n, t, i, a)
            }
        }, {
            key: "getNorthVec",
            value: function(e, t, n) {
                if (n) {
                    proj4.defs("pointcloud", n);
                    var i = proj4("pointcloud", "WGS84")
                      , r = i.forward(e.toArray())
                      , a = i.forward([e.x, e.y + t])
                      , n = Math.sqrt(Math.pow(a[0] - r[0], 2) + Math.pow(a[1] - r[1], 2))
                      , a = [r[0], r[1] + n]
                      , a = i.inverse(a);
                    return B(Cn, Q(a).concat([e.z])).sub(e)
                }
                return new Cn(0,1,0).multiplyScalar(t)
            }
        }, {
            key: "computeAzimuth",
            value: function(e, t, n) {
                var i;
                return -(n ? (n = (i = n.includes("EPSG") ? proj4(n, "WGS84") : (proj4.defs("pointcloud", n),
                proj4("pointcloud", "WGS84"))).forward(e.toArray()),
                n = [(i = i.forward(t.toArray()))[0] - n[0], i[1] - n[1]],
                Math.atan2(n[1], n[0]) - Math.PI / 2) : (e = [t.x - e.x, t.y - e.y],
                Math.atan2(e[1], e[0]) - Math.PI / 2))
            }
        }, {
            key: "loadScript",
            value: (n = r(regeneratorRuntime.mark(function e(n) {
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.abrupt("return", new Promise(function(e) {
                                var t;
                                document.getElementById(n) ? e() : ((t = document.createElement("script")).id = n,
                                t.onload = function() {
                                    e()
                                }
                                ,
                                t.src = n,
                                document.body.appendChild(t))
                            }
                            ));
                        case 1:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "createSvgGradient",
            value: function(e) {
                var t = "".concat(Math.random(), "_").concat(Date.now())
                  , n = "http://www.w3.org/2000/svg"
                  , i = document.createElementNS(n, "svg");
                i.setAttributeNS(null, "width", "2em"),
                i.setAttributeNS(null, "height", "3em");
                var r = document.createElementNS(n, "defs")
                  , a = document.createElementNS(n, "linearGradient");
                a.setAttributeNS(null, "id", t),
                a.setAttributeNS(null, "gradientTransform", "rotate(90)");
                for (var o = e.length - 1; 0 <= o; o--) {
                    var s = e[o]
                      , l = parseInt(100 - 100 * s[0])
                      , u = N(s[1].toArray().map(function(e) {
                        return parseInt(255 * e)
                    }), 3)
                      , c = u[0]
                      , d = u[1]
                      , s = u[2]
                      , u = document.createElementNS(n, "stop");
                    u.setAttributeNS(null, "offset", "".concat(l, "%")),
                    u.setAttributeNS(null, "stop-color", "rgb(".concat(c, ", ").concat(d, ", ").concat(s, ")")),
                    a.appendChild(u)
                }
                r.appendChild(a),
                i.appendChild(r);
                r = document.createElementNS(n, "rect");
                return r.setAttributeNS(null, "width", "100%"),
                r.setAttributeNS(null, "height", "100%"),
                r.setAttributeNS(null, "fill", 'url("#'.concat(t, '")')),
                r.setAttributeNS(null, "stroke", "black"),
                r.setAttributeNS(null, "stroke-width", "0.1em"),
                i.appendChild(r),
                i
            }
        }, {
            key: "waitAny",
            value: (t = r(regeneratorRuntime.mark(function e(n) {
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.abrupt("return", new Promise(function(t) {
                                n.map(function(e) {
                                    e.then(function() {
                                        t()
                                    })
                                })
                            }
                            ));
                        case 1:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e) {
                return t.apply(this, arguments)
            }
            )
        }]),
        g
    }();
    Jf.screenPass = new function() {
        this.screenScene = new gs,
        this.screenQuad = new Hr(new ua(2,2,1)),
        this.screenQuad.material.depthTest = !0,
        this.screenQuad.material.depthWrite = !0,
        this.screenQuad.material.transparent = !0,
        this.screenScene.add(this.screenQuad),
        this.camera = new Kr,
        this.render = function(e, t, n) {
            this.screenQuad.material = t,
            void 0 === n || e.setRenderTarget(n),
            e.render(this.screenScene, this.camera)
        }
    }
    ,
    Jf.computePointcloudsBound = function(e) {
        var t = new kn;
        return e.forEach(function(e) {
            e.updateBound(),
            t.union(e.bound)
        }),
        {
            boundSize: t.getSize(new Cn),
            center: t.getCenter(new Cn),
            boundingBox: t
        }
    }
    ,
    Jf.convertScreenPositionToNDC = function(e, t, n, i) {
        return (e = e || new yn).x = t.x / n * 2 - 1,
        e.y = -t.y / i * 2 + 1,
        e
    }
    ,
    Jf.convertNDCToScreenPosition = function(e, t, n, i) {
        return (t = t || new yn).x = Math.round((e.x + 1) / 2 * n),
        t.y = Math.round(-(e.y - 1) / 2 * i),
        t
    }
    ,
    Jf.getOrthoCameraMoveVec = function(e, t) {
        var n = t.right / t.zoom
          , i = t.top / t.zoom
          , r = new Cn;
        return r.set(e.x * n, e.y * i, 0).applyQuaternion(t.quaternion),
        r
    }
    ,
    Jf.VectorFactory = {
        fromArray: function(e) {
            if (e)
                return (e.length < 2 || 3 < e.length) && console.error("Wrong number of ordinates for a point!"),
                (new (3 === e.length ? Cn : yn)).fromArray(e)
        },
        fromArray3: function(e) {
            if (e)
                return 3 !== e.length && console.error("Wrong number of ordinates for a point!"),
                (new Cn).fromArray(e)
        },
        fromArray2: function(e) {
            if (e)
                return 2 !== e.length && console.error("Wrong number of ordinates for a point!"),
                (new yn).fromArray(e)
        },
        toString: function(e) {
            return e.x.toFixed(8) + "," + e.y.toFixed(8) + "," + e.z.toFixed(3)
        }
    },
    Jf.QuaternionFactory = {
        rot90: (new Sn).setFromAxisAngle(new Cn(0,0,1), gn.degToRad(-90)),
        fromArray: function(e) {
            if (e)
                return 4 !== e.length && console.error("Wrong number of ordinates for a quaternion!"),
                new Sn(e[1],e[2],e[3],e[0]).multiply(this.rot90)
        },
        toArray: function(e) {
            if (e) {
                e = e.clone().multiply(a).toArray();
                return [e[3], e[0], e[1], e[2]]
            }
        },
        fromLonLat: function(e) {
            if (e)
                return (new Sn).setFromEuler(new ci(e.lon,e.lat,0))
        },
        toLonLat: function(e) {
            if (e) {
                e = (new ci).setFromQuaternion(e);
                return {
                    lon: e.x,
                    lat: e.y
                }
            }
        }
    },
    Jf.datasetPosTransform = function() {
        var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, n = t.pointcloud || viewer.scene.pointclouds.find(function(e) {
            return e.dataset_id == t.datasetId
        });
        if (n ? e = "merge" == Potree.settings.editType ? t.fromDataset ? n.matrixWorld : (new ni).copy(n.matrixWorld).invert() : t.fromDataset ? n.transformMatrix : n.transformInvMatrix : !Potree.settings.intersectOnObjs || (n = t.object || viewer.objs.children.find(function(e) {
            return e.dataset_id == t.datasetId
        })) && (e = t.fromDataset ? n.matrixWorld : (new ni).copy(n.matrixWorld).invert()),
        e)
            return (new Cn).copy(t.position).applyMatrix4(e);
        null != t.datasetId && console.error("datasetPosTransform找不到datasetId为".concat(t.datasetId, "的数据集或模型，请检查数据， 模型未创建或删除"))
    }
    ,
    Jf.datasetRotTransform = function() {
        var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, n = t.pointcloud || viewer.scene.pointclouds.find(function(e) {
            return e.dataset_id == t.datasetId
        });
        if (n) {
            if (t.rotation)
                i = (new ni).makeRotationFromEuler(t.rotation);
            else if (t.quaternion)
                i = (new ni).makeRotationFromQuaternion(t.quaternion);
            else {
                if (!t.matrix)
                    return;
                i = t.matrix.clone()
            }
            var n = t.fromDataset ? n.rotateMatrix : n.rotateInvMatrix
              , i = (new ni).multiplyMatrices(n, i);
            return t.getRotation ? e = (new ci).setFromRotationMatrix(i) : t.getQuaternion ? e = (new Sn).setFromRotationMatrix(i) : t.getMatrix && (e = i),
            e
        }
    }
    ,
    Jf.isInsideFrustum = function(e, t) {
        var n = new ni;
        n.multiplyMatrices(t.projectionMatrix, t.matrixWorldInverse);
        t = new oa;
        return t.setFromProjectionMatrix(n),
        e instanceof qn ? t.intersectsSphere(e) : t.intersectsBox(e)
    }
    ,
    Jf.isInsideBox = function(e, t) {
        var n = new oa;
        if (n.setFromProjectionMatrix(t),
        e instanceof kn)
            return n.intersectsSphere(e);
        if (e instanceof Array) {
            var i = new qn;
            return i.setFromPoints(e),
            this.isInsideBox(i, t)
        }
        return e instanceof qn ? n.intersectsSphere(e) : e instanceof Cn ? n.containsPoint(e) : void 0
    }
    ,
    Jf.getIntersect = function(e, t, n, i) {
        var r;
        e.updateMatrixWorld(),
        i || (i = new sh,
        r = new Cn(n.x,n.y,-1).unproject(e),
        e = new Cn(n.x,n.y,1).unproject(e).sub(r).normalize(),
        i.set(r, e)),
        t.forEach(function(e) {
            i.layers.enable(Up.getBaseLog(e.layers.mask, 2))
        });
        t = i.intersectObjects(t);
        return 0 === t.length ? null : t[0]
    }
    ;
    var Yf, Zf = function() {
        y(i, hn);
        var n = w(i);
        function i() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return O(this, i),
            (e = n.call(this)).icon = t.icon || "",
            e.tooltip = t.tooltip,
            void 0 !== t.onclick && (e.onclick = t.onclick),
            e
        }
        return h(i, [{
            key: "onclick",
            value: function(e) {}
        }, {
            key: "pairWith",
            value: function(e) {}
        }, {
            key: "setIcon",
            value: function(e) {
                var t = this.icon;
                e !== t && (this.icon = e,
                this.dispatchEvent({
                    type: "icon_changed",
                    action: this,
                    icon: e,
                    oldIcon: t
                }))
            }
        }]),
        i
    }(), Qf = function() {
        function a(e, t, n, i, r) {
            O(this, a),
            this.path = e,
            this.length = this.path.spline.getLength(),
            this.speed = i,
            this.callback = r,
            this.tween = null,
            this.startPoint = Math.max(t, 0),
            this.endPoint = Math.min(n, this.length),
            this.t = 0
        }
        return h(a, [{
            key: "start",
            value: function() {
                var t = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] && arguments[0];
                this.tween && (this.tween.stop(),
                this.tween = null);
                var n = e ? this.t : this.startPoint / this.length
                  , i = this.endPoint / this.length
                  , e = (i - n) * this.length * 1e3 / this.speed
                  , r = {
                    t: n
                };
                this.tween = new TWEEN.Tween(r).to({
                    t: i
                }, e),
                this.tween.easing(TWEEN.Easing.Linear.None),
                this.tween.onUpdate(function(e) {
                    t.t = r.t,
                    t.callback(r.t)
                }),
                this.tween.onComplete(function() {
                    t.repeat && t.start()
                }),
                setTimeout(function() {
                    t.tween.start()
                }, 0)
            }
        }, {
            key: "stop",
            value: function() {
                this.tween && (this.tween.stop(),
                this.tween = null,
                this.t = 0)
            }
        }, {
            key: "pause",
            value: function() {
                this.tween && (this.tween.stop(),
                TWEEN.remove(this.tween),
                this.tween = null)
            }
        }, {
            key: "resume",
            value: function() {
                this.start(!0)
            }
        }, {
            key: "getPoint",
            value: function(e) {
                return this.path.spline.getPoint(e)
            }
        }]),
        a
    }(), Yd = function() {
        function t() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [];
            O(this, t),
            this.points = e,
            this.spline = new Bc(e)
        }
        return h(t, [{
            key: "get",
            value: function(e) {
                return this.spline.getPoint(e)
            }
        }, {
            key: "getLength",
            value: function() {
                return this.spline.getLength()
            }
        }, {
            key: "animate",
            value: function(e, t, n, i) {
                i = new Qf(this,e,t,n,i);
                return i.start(),
                i
            }
        }, {
            key: "pause",
            value: function() {
                this.tween && this.tween.stop()
            }
        }, {
            key: "resume",
            value: function() {
                this.tween && this.tween.start()
            }
        }, {
            key: "getGeometry",
            value: function() {
                for (var e, t = new Sl, n = 0, i = 0; i <= 1; i += .002) {
                    var r = this.spline.getPoint(i);
                    t.vertices[n] = new Cn(r.x,r.y,r.z),
                    n++
                }
                return this.closed && (e = this.spline.getPoint(0),
                t.vertices[n] = new Cn(e.x,e.y,e.z)),
                t
            }
        }, {
            key: "closed",
            get: function() {
                return this.spline.closed
            },
            set: function(e) {
                this.spline.closed = e
            }
        }]),
        t
    }(), Kf = function() {
        y(s, hn);
        var o = w(s);
        function s() {
            var n, e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, s),
            (n = o.call(this)).scene = null,
            n._title = e.title || "No Title",
            n._description = e.description || "",
            n.offset = new Cn,
            n.uuid = gn.generateUUID(),
            e.position ? null != e.position.x ? n.position = e.position : n.position = B(Cn, Q(e.position)) : n.position = null,
            n.cameraPosition = e.cameraPosition instanceof Array ? (new Cn).fromArray(e.cameraPosition) : e.cameraPosition,
            n.cameraTarget = e.cameraTarget instanceof Array ? (new Cn).fromArray(e.cameraTarget) : e.cameraTarget,
            !n.cameraTarget && n.position && (n.cameraTarget = n.position.clone()),
            n.radius = e.radius,
            n.view = e.view || null,
            n.keepOpen = !1,
            n.descriptionVisible = !1,
            n.showDescription = !0,
            n.actions = e.actions || [],
            n.isHighlighted = !1,
            n._visible = !0,
            n.__visible = !0,
            n._display = !0,
            n._expand = !1,
            n.collapseThreshold = [e.collapseThreshold, 100].find(function(e) {
                return void 0 !== e
            }),
            n.children = [],
            n.parent = null,
            n.boundingBox = new kn;
            e = le.resourcePath + "/icons/close.svg";
            n.domElement = $('\n\t\t\t<div class="annotation" oncontextmenu="return false;">\n\t\t\t\t<div class="annotation-titlebar">\n\t\t\t\t\t<span class="annotation-label"></span>\n\t\t\t\t</div>\n\t\t\t\t<div class="annotation-description">\n\t\t\t\t\t<span class="annotation-description-close">\n\t\t\t\t\t\t<img src="'.concat(e, '" width="16px">\n\t\t\t\t\t</span>\n\t\t\t\t\t<span class="annotation-description-content">').concat(n._description, "</span>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t")),
            n.elTitlebar = n.domElement.find(".annotation-titlebar"),
            n.elTitle = n.elTitlebar.find(".annotation-label"),
            n.elTitle.append(n._title),
            n.elDescription = n.domElement.find(".annotation-description"),
            n.elDescriptionClose = n.elDescription.find(".annotation-description-close"),
            n.clickTitle = function() {
                n.moveHere(n.scene.getActiveCamera()),
                n.dispatchEvent({
                    type: "click",
                    target: g(n)
                }),
                viewer.renderer.domElement.focus()
            }
            ,
            n.elTitle.click(n.clickTitle),
            n.actions = n.actions.map(function(e) {
                return e instanceof Zf ? e : new Zf(e)
            });
            var t, i = ue(n.actions);
            try {
                for (i.s(); !(t = i.n()).done; )
                    t.value.pairWith(g(n))
            } catch (e) {
                i.e(e)
            } finally {
                i.f()
            }
            var r, a = ue(n.actions.filter(function(e) {
                return void 0 === e.showIn || e.showIn.includes("scene")
            }));
            try {
                for (a.s(); !(r = a.n()).done; )
                    !function() {
                        var e = r.value
                          , t = $('<img src="'.concat(e.icon, '" class="annotation-action-icon">'));
                        n.elTitlebar.append(t),
                        t.click(function() {
                            return e.onclick({
                                annotation: g(n)
                            })
                        })
                    }()
            } catch (e) {
                a.e(e)
            } finally {
                a.f()
            }
            return n.elDescriptionClose.hover(function(e) {
                return n.elDescriptionClose.css("opacity", "1")
            }, function(e) {
                return n.elDescriptionClose.css("opacity", "0.5")
            }),
            n.elDescriptionClose.click(function(e) {
                return n.setHighlighted(!1)
            }),
            n.domElement.mouseenter(function(e) {
                return n.setHighlighted(!0)
            }),
            n.domElement.mouseleave(function(e) {
                return n.setHighlighted(!1)
            }),
            n.domElement.on("touchstart", function(e) {
                n.setHighlighted(!n.isHighlighted)
            }),
            n.display = !1,
            n
        }
        return h(s, [{
            key: "installHandles",
            value: function(o) {
                var i, r, a, s, l, u, c, d, e, h = this;
                void 0 === this.handles && (i = $('\n\t\t\t<div style="position: absolute; left: 300; top: 200; pointer-events: none">\n\t\t\t\t<svg width="300" height="600">\n\t\t\t\t\t<line x1="0" y1="0" x2="1200" y2="200" style="stroke: black; stroke-width:2" />\n\t\t\t\t\t<circle cx="50" cy="50" r="4" stroke="black" stroke-width="2" fill="gray" />\n\t\t\t\t\t<circle cx="150" cy="50" r="4" stroke="black" stroke-width="2" fill="gray" />\n\t\t\t\t</svg>\n\t\t\t</div>\n\t\t'),
                r = i.find("svg")[0],
                a = i.find("line")[0],
                s = i.find("circle")[0],
                l = i.find("circle")[1],
                u = function(e, t) {
                    s.setAttribute("cx", "".concat(e.x)),
                    s.setAttribute("cy", "".concat(e.y)),
                    l.setAttribute("cx", "".concat(t.x)),
                    l.setAttribute("cy", "".concat(t.y)),
                    a.setAttribute("x1", e.x),
                    a.setAttribute("y1", e.y),
                    a.setAttribute("x2", t.x),
                    a.setAttribute("y2", t.y);
                    var n = r.getBBox();
                    r.setAttribute("width", "".concat(n.width)),
                    r.setAttribute("height", "".concat(n.height)),
                    r.setAttribute("viewBox", "".concat(n.x, " ").concat(n.y, " ").concat(n.width, " ").concat(n.height));
                    n = e.y - t.y,
                    t = e.x - t.x;
                    0 < n && (e.y = e.y - n),
                    0 < t && (e.x = e.x - t),
                    i.css("left", "".concat(e.x, "px")),
                    i.css("top", "".concat(e.y, "px"))
                }
                ,
                $(o.renderArea).append(i),
                c = this.position.clone(),
                d = this.offset.clone(),
                $(this.domElement).draggable({
                    start: function(e, t) {
                        c = h.position.clone(),
                        d = h.offset.clone(),
                        $(h.domElement).find(".annotation-titlebar").css("pointer-events", "none"),
                        console.log($(h.domElement).find(".annotation-titlebar"))
                    },
                    stop: function() {
                        $(h.domElement).find(".annotation-titlebar").css("pointer-events", "")
                    },
                    drag: function(e, t) {
                        var n = o.renderer.getSize(new yn).width
                          , i = -(t.originalPosition.left - t.position.left) / n * 2
                          , r = (t.originalPosition.top - t.position.top) / n * 2
                          , t = o.scene.getActiveCamera()
                          , n = (new Cn).addVectors(c, d).project(t).clone();
                        n.x += i,
                        n.y += r;
                        n = n.clone();
                        n.unproject(t);
                        n = (new Cn).subVectors(n, h.position);
                        h.offset.copy(n)
                    }
                }),
                o.addEventListener("update", e = function() {
                    h.position;
                    function e(e) {
                        var t = i.getActiveCamera()
                          , n = new Cn
                          , t = (new ni).multiplyMatrices(t.projectionMatrix, t.matrixWorldInverse);
                        return (t = new Mn(e.x,e.y,e.z,1).applyMatrix4(t)).w = Math.max(t.w, .1),
                        t.divideScalar(t.w),
                        n.copy(t),
                        n.x = r * (n.x + 1) / 2,
                        n.y = a * (1 - (n.y + 1) / 2),
                        n
                    }
                    var i = o.scene
                      , t = o.renderer.getSize(new yn)
                      , r = t.width
                      , a = t.height
                      , n = h.position.clone()
                      , t = (new Cn).addVectors(h.position, h.offset)
                      , n = e(n)
                      , t = e(t);
                    u(n, t)
                }
                ),
                this.handles = {
                    domElement: i,
                    setCoordinates: u,
                    updateCallback: e
                })
            }
        }, {
            key: "removeHandles",
            value: function(e) {
                void 0 !== this.handles && (this.handles.domElement.remove(),
                e.removeEventListener("update", this.handles.updateCallback),
                delete this.handles)
            }
        }, {
            key: "visible",
            get: function() {
                return this._visible
            },
            set: function(e) {
                this._visible !== e && (this._visible = e,
                this.dispatchEvent({
                    type: "visibility_changed",
                    annotation: this
                }))
            }
        }, {
            key: "display",
            get: function() {
                return this._display
            },
            set: function(e) {
                this._display !== e && ((this._display = e) ? this.domElement.show() : this.domElement.hide())
            }
        }, {
            key: "expand",
            get: function() {
                return this._expand
            },
            set: function(e) {
                this._expand !== e && (e ? this.display = !1 : (this.display = !0,
                this.traverseDescendants(function(e) {
                    e.display = !1
                })),
                this._expand = e)
            }
        }, {
            key: "title",
            get: function() {
                return this._title
            },
            set: function(e) {
                this._title !== e && (this._title = e,
                this.elTitle.empty(),
                this.elTitle.append(this._title),
                this.dispatchEvent({
                    type: "annotation_changed",
                    annotation: this
                }))
            }
        }, {
            key: "description",
            get: function() {
                return this._description
            },
            set: function(e) {
                this._description !== e && (this._description = e,
                (e = this.elDescription.find(".annotation-description-content")).empty(),
                e.append(this._description),
                this.dispatchEvent({
                    type: "annotation_changed",
                    annotation: this
                }))
            }
        }, {
            key: "add",
            value: function(e) {
                if (!this.children.includes(e)) {
                    this.children.push(e),
                    e.parent = this;
                    var t = [];
                    e.traverse(function(e) {
                        t.push(e)
                    });
                    for (var n = 0, i = t; n < i.length; n++)
                        for (var r = i[n], a = this; null !== a; )
                            a.dispatchEvent({
                                type: "annotation_added",
                                annotation: r
                            }),
                            a = a.parent
                }
            }
        }, {
            key: "level",
            value: function() {
                return null === this.parent ? 0 : this.parent.level() + 1
            }
        }, {
            key: "hasChild",
            value: function(e) {
                return this.children.includes(e)
            }
        }, {
            key: "remove",
            value: function(t) {
                this.hasChild(t) && (t.removeAllChildren(),
                t.dispose(),
                this.children = this.children.filter(function(e) {
                    return e !== t
                }),
                t.parent = null)
            }
        }, {
            key: "removeAllChildren",
            value: function() {
                var t = this;
                this.children.forEach(function(e) {
                    0 < e.children.length && e.removeAllChildren(),
                    t.remove(e)
                })
            }
        }, {
            key: "updateBounds",
            value: function() {
                var e = new kn;
                this.position && e.expandByPoint(this.position);
                var t, n = ue(this.children);
                try {
                    for (n.s(); !(t = n.n()).done; ) {
                        var i = t.value;
                        i.updateBounds(),
                        e.union(i.boundingBox)
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                this.boundingBox.copy(e)
            }
        }, {
            key: "traverse",
            value: function(e) {
                var t = e(this);
                if (void 0 === t || !0 === t) {
                    var n, i = ue(this.children);
                    try {
                        for (i.s(); !(n = i.n()).done; )
                            n.value.traverse(e)
                    } catch (e) {
                        i.e(e)
                    } finally {
                        i.f()
                    }
                }
            }
        }, {
            key: "traverseDescendants",
            value: function(e) {
                var t, n = ue(this.children);
                try {
                    for (n.s(); !(t = n.n()).done; )
                        t.value.traverse(e)
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
            }
        }, {
            key: "flatten",
            value: function() {
                var t = [];
                return this.traverse(function(e) {
                    t.push(e)
                }),
                t
            }
        }, {
            key: "descendants",
            value: function() {
                var t = this
                  , n = [];
                return this.traverse(function(e) {
                    e !== t && n.push(e)
                }),
                n
            }
        }, {
            key: "setHighlighted",
            value: function(e) {
                e ? (this.domElement.css("opacity", "0.8"),
                this.elTitlebar.css("box-shadow", "0 0 5px #fff"),
                this.domElement.css("z-index", "1000"),
                this._description && (this.descriptionVisible = !0,
                this.elDescription.fadeIn(200),
                this.elDescription.css("position", "relative"))) : (this.domElement.css("opacity", "0.5"),
                this.elTitlebar.css("box-shadow", ""),
                this.domElement.css("z-index", "100"),
                this.descriptionVisible = !1,
                this.elDescription.css("display", "none")),
                this.isHighlighted = e
            }
        }, {
            key: "hasView",
            value: function() {
                var e = (e = null != this.cameraTarget.x) && null != this.cameraPosition.x
                  , t = void 0 !== this.radius;
                return e || t
            }
        }, {
            key: "moveHere",
            value: function(e) {
                var t, n, i, r, a, o;
                this.hasView() && (t = this.scene.view,
                n = TWEEN.Easing.Quartic.Out,
                o = this.cameraTarget || this.position || this.boundingBox.getCenter(new Cn),
                this.cameraPosition ? (a = this.cameraPosition,
                Jf.moveTo(this.scene, a, o)) : this.radius && (a = t.direction,
                a = o.clone().add(a.multiplyScalar(-this.radius)),
                i = t.radius,
                r = this.radius,
                (a = new TWEEN.Tween(t.position).to(a, 500)).easing(n),
                a.start(),
                (a = new TWEEN.Tween({
                    x: 0
                }).to({
                    x: 1
                }, 500).onUpdate(function() {
                    t.radius = this.x * r + (1 - this.x) * i
                })).easing(n),
                a.start()))
            }
        }, {
            key: "dispose",
            value: function() {
                this.domElement.parentElement && this.domElement.parentElement.removeChild(this.domElement)
            }
        }, {
            key: "toString",
            value: function() {
                return "Annotation: " + this._title
            }
        }]),
        s
    }(), $f = function() {
        function r(e) {
            O(this, r);
            for (var t = 0, n = Object.keys(e); t < n.length; t++) {
                var i = n[t];
                this[i] = e[i]
            }
        }
        return h(r, [{
            key: "inspect",
            value: function() {
                return "Enum(".concat(this.name, ": ").concat(this.value, ")")
            }
        }]),
        r
    }(), Mh = function() {
        function a(e) {
            O(this, a),
            this.object = e;
            for (var t = 0, n = Object.keys(e); t < n.length; t++) {
                var i = n[t]
                  , r = e[i];
                "object" === X(r) ? r.name = i : r = {
                    name: i,
                    value: r
                },
                this[i] = new $f(r)
            }
        }
        return h(a, [{
            key: "fromValue",
            value: function(e) {
                for (var t = 0, n = Object.keys(this.object); t < n.length; t++) {
                    var i = n[t];
                    if (this[i].value === e)
                        return this[i]
                }
                throw new Error("No enum for value: ".concat(e))
            }
        }]),
        a
    }(), em = {
        ORTHOGRAPHIC: 0,
        PERSPECTIVE: 1,
        VR: 2
    }, tm = {
        NONE: 0,
        HIGHLIGHT: 1,
        SHOW_INSIDE: 2,
        SHOW_OUTSIDE: 3
    }, nm = {
        INSIDE_ANY: 0,
        INSIDE_ALL: 1
    }, im = {
        CLAMP: 0,
        REPEAT: 1,
        MIRRORED_REPEAT: 2
    }, rm = {
        NONE: 0,
        LEFT: 1,
        RIGHT: 2,
        MIDDLE: 4
    }, am = {
        FIXED: 0,
        ATTENUATED: 1,
        ADAPTIVE: 2
    }, om = {
        SQUARE: 0,
        CIRCLE: 1,
        PARABOLOID: 2
    }, sm = {
        OCTREE: 0,
        KDTREE: 1
    }, lm = {
        METER: {
            code: "m",
            unitspermeter: 1
        },
        FEET: {
            code: "ft",
            unitspermeter: 3.28084
        },
        INCH: {
            code: "″",
            unitspermeter: 39.3701
        }
    }, um = {
        GL_TEXTURE_CUBE_MAP_POSITIVE_X: 0,
        GL_TEXTURE_CUBE_MAP_NEGATIVE_X: 1,
        GL_TEXTURE_CUBE_MAP_POSITIVE_Y: 2,
        GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: 3,
        GL_TEXTURE_CUBE_MAP_POSITIVE_Z: 4,
        GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: 5
    }, cm = {
        BASE: 1,
        STANDARD: 2,
        HIGH: 3,
        ULTRAHIGH: 4
    }, dm = {
        PanoRenderComplete: "panorama.render.complete",
        TileRenderFailure: "panorama.tile.render.failed",
        TileRenderSuccess: "panorama.tile.render.success",
        TileUploadAttempted: "panorama.tile.upload.attempted",
        UploadAttemptedForAllTiles: "panorama.upload.attempted.all.tiles",
        ZoomLevelRenderStarted: "panorama.zoom.render.started"
    }, hm = {
        TileDownloadSuccess: "tiledownloader.download.success",
        TileDownloadFailure: "tiledownloader.download.failure",
        PanoDownloadComplete: "tiledownloader.pano.download.complete"
    }, pm = {
        UP: new Cn(0,1,0),
        DOWN: new Cn(0,-1,0),
        LEFT: new Cn(-1,0,0),
        RIGHT: new Cn(1,0,0),
        FORWARD: new Cn(0,0,-1),
        BACK: new Cn(0,0,1)
    }, fm = {};
    for (Yf in pm)
        fm[Yf] = Up.convertVector.YupToZup(pm[Yf]);
    var mm, vm = Object.freeze({
        None: 0,
        Queued: 1,
        ForceQueued: 2,
        Downloading: 3,
        Downloaded: 4,
        DownloadFailed: 5
    }), gm = {
        Enter: "panorama.enter",
        Exit: "panorama.exit",
        LoadComplete: "panorama.load.complete",
        LoadFailed: "panorama.load.failed",
        TileLoaded: "panorama.tile.loaded",
        VideoRendered: "panorama.video.rendered"
    }, Dh = function() {
        function e() {
            O(this, e),
            this._listeners = {}
        }
        return h(e, [{
            key: "addEventListener",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
                  , i = this._listeners;
                void 0 === i[e] && (i[e] = []),
                -1 === i[e].indexOf(t) && (i[e].push({
                    listener: t,
                    importance: n
                }),
                i[e] = i[e].sort(function(e, t) {
                    return t.importance - e.importance
                }))
            }
        }, {
            key: "hasEventListener",
            value: function(e, t) {
                var n = this._listeners;
                return void 0 !== n[e] && -1 !== n[e].indexOf(t)
            }
        }, {
            key: "removeEventListener",
            value: function(e, t) {
                var n = this._listeners[e];
                void 0 === n || (e = n.find(function(e) {
                    return e.listener == t
                })) && n.splice(n.indexOf(e), 1)
            }
        }, {
            key: "removeEventListeners",
            value: function(e) {
                void 0 !== this._listeners[e] && delete this._listeners[e]
            }
        }, {
            key: "dispatchEvent",
            value: function(e) {
                var t = this._listeners[(e = "string" == typeof e ? {
                    type: e
                } : e).type];
                if (void 0 !== t) {
                    e.target = this;
                    var n, i = ue(t.slice(0));
                    try {
                        for (i.s(); !(n = i.n()).done; ) {
                            var r = n.value.listener.call(this, e);
                            if (r && r.stopContinue)
                                break
                        }
                    } catch (e) {
                        i.e(e)
                    } finally {
                        i.f()
                    }
                }
            }
        }, {
            key: "removeAllListeners",
            value: function() {
                this._listeners = {}
            }
        }]),
        e
    }(), ym = {
        LEFT: 37,
        UP: 38,
        RIGHT: 39,
        BOTTOM: 40,
        DELETE: 46,
        BACKSPACE: 8,
        A: "A".charCodeAt(0),
        S: "S".charCodeAt(0),
        D: "D".charCodeAt(0),
        W: "W".charCodeAt(0),
        Q: "Q".charCodeAt(0),
        E: "E".charCodeAt(0),
        R: "R".charCodeAt(0),
        F: "F".charCodeAt(0)
    }, wm = h(function e(t) {
        O(this, e),
        this.previous = null,
        this.next = null,
        this.node = t
    }), xu = function() {
        function e() {
            O(this, e),
            this.first = null,
            this.last = null,
            this.items = {},
            this.elements = 0,
            this.numPoints = 0
        }
        return h(e, [{
            key: "size",
            value: function() {
                return this.elements
            }
        }, {
            key: "contains",
            value: function(e) {
                return null == this.items[e.id]
            }
        }, {
            key: "touch",
            value: function(e) {
                var t;
                e.loaded && (null == this.items[e.id] ? ((t = new wm(e)).previous = this.last,
                null !== (this.last = t).previous && (t.previous.next = t),
                this.items[e.id] = t,
                this.elements++,
                null === this.first && (this.first = t),
                this.numPoints += e.numPoints) : null === (t = this.items[e.id]).previous ? null !== t.next && (this.first = t.next,
                this.first.previous = null,
                t.previous = this.last,
                t.next = null,
                (this.last = t).previous.next = t) : null === t.next || (t.previous.next = t.next,
                t.next.previous = t.previous,
                t.previous = this.last,
                t.next = null,
                (this.last = t).previous.next = t))
            }
        }, {
            key: "remove",
            value: function(e) {
                var t = this.items[e.id];
                t && (1 === this.elements ? (this.first = null,
                this.last = null) : (t.previous || (this.first = t.next,
                this.first.previous = null),
                t.next || (this.last = t.previous,
                this.last.next = null),
                t.previous && t.next && (t.previous.next = t.next,
                t.next.previous = t.previous)),
                delete this.items[e.id],
                this.elements--,
                this.numPoints -= e.numPoints)
            }
        }, {
            key: "getLRUItem",
            value: function() {
                return null === this.first ? null : this.first.node
            }
        }, {
            key: "toString",
            value: function() {
                for (var e = "{ ", t = this.first; null !== t; )
                    e += t.node.id,
                    null !== t.next && (e += ", "),
                    t = t.next;
                return e += "}",
                e += "(" + this.size() + ")"
            }
        }, {
            key: "freeMemory",
            value: function() {
                if (!(this.elements <= 1))
                    for (var e = 2 * viewer.viewports.length * Potree.pointBudget; this.numPoints > e; ) {
                        var t = this.getLRUItem();
                        t && this.disposeSubtree(t)
                    }
            }
        }, {
            key: "disposeSubtree",
            value: function(e) {
                var t = [e];
                e.traverse(function(e) {
                    e.loaded && t.push(e)
                });
                for (var n = 0, i = t; n < i.length; n++) {
                    var r = i[n];
                    r.dispose(),
                    this.remove(r)
                }
            }
        }, {
            key: "disposeDescendants",
            value: function(e) {
                var t = [];
                for (t.push(e); 0 < t.length; ) {
                    var n, i = t.pop();
                    for (n in i.dispose(),
                    this.remove(i),
                    i.children)
                        i.children.hasOwnProperty(n) && i.children[n].loaded && t.push(i.children[n])
                }
            }
        }]),
        e
    }(), bm = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).needsTransformUpdate = !0,
            e
        }
        return h(n, [{
            key: "getChildren",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "getBoundingBox",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "isLoaded",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "isGeometryNode",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "isTreeNode",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "getLevel",
            value: function() {
                throw new Error("override function")
            }
        }, {
            key: "getBoundingSphere",
            value: function() {
                throw new Error("override function")
            }
        }]),
        n
    }(), xm = function() {
        y(t, Si);
        var e = w(t);
        function t() {
            return O(this, t),
            e.call(this)
        }
        return h(t, [{
            key: "initialized",
            value: function() {
                return null !== this.root
            }
        }]),
        t
    }(), Em = {
        DATA_TYPE_DOUBLE: {
            ordinal: 0,
            name: "double",
            size: 8
        },
        DATA_TYPE_FLOAT: {
            ordinal: 1,
            name: "float",
            size: 4
        },
        DATA_TYPE_INT8: {
            ordinal: 2,
            name: "int8",
            size: 1
        },
        DATA_TYPE_UINT8: {
            ordinal: 3,
            name: "uint8",
            size: 1
        },
        DATA_TYPE_INT16: {
            ordinal: 4,
            name: "int16",
            size: 2
        },
        DATA_TYPE_UINT16: {
            ordinal: 5,
            name: "uint16",
            size: 2
        },
        DATA_TYPE_INT32: {
            ordinal: 6,
            name: "int32",
            size: 4
        },
        DATA_TYPE_UINT32: {
            ordinal: 7,
            name: "uint32",
            size: 4
        },
        DATA_TYPE_INT64: {
            ordinal: 8,
            name: "int64",
            size: 8
        },
        DATA_TYPE_UINT64: {
            ordinal: 9,
            name: "uint64",
            size: 8
        }
    }, _m = 0;
    for (mm in Em)
        Em[_m] = Em[mm],
        _m++;
    function Mm(e) {
        return Tm[e] || e
    }
    var Am = h(function e(t, n, i) {
        O(this, e),
        this.name = t,
        this.type = n,
        this.numElements = i,
        this.byteSize = this.numElements * this.type.size,
        this.description = "",
        this.range = [1 / 0, -1 / 0]
    })
      , Tm = {
        COLOR_PACKED: "rgba",
        RGBA: "rgba",
        INTENSITY: "intensity",
        CLASSIFICATION: "classification",
        GPS_TIME: "gps-time"
    };
    Am.POSITION_CARTESIAN = new Am("POSITION_CARTESIAN",Em.DATA_TYPE_FLOAT,3),
    Am.RGBA_PACKED = new Am(Mm("COLOR_PACKED"),Em.DATA_TYPE_INT8,4),
    Am.COLOR_PACKED = Am.RGBA_PACKED,
    Am.RGB_PACKED = new Am("COLOR_PACKED",Em.DATA_TYPE_INT8,3),
    Am.NORMAL_FLOATS = new Am("NORMAL_FLOATS",Em.DATA_TYPE_FLOAT,3),
    Am.INTENSITY = new Am(Mm("INTENSITY"),Em.DATA_TYPE_UINT16,1),
    Am.CLASSIFICATION = new Am(Mm("CLASSIFICATION"),Em.DATA_TYPE_UINT8,1),
    Am.NORMAL_SPHEREMAPPED = new Am("NORMAL_SPHEREMAPPED",Em.DATA_TYPE_UINT8,2),
    Am.NORMAL_OCT16 = new Am("NORMAL_OCT16",Em.DATA_TYPE_UINT8,2),
    Am.NORMAL = new Am("NORMAL",Em.DATA_TYPE_FLOAT,3),
    Am.RETURN_NUMBER = new Am("RETURN_NUMBER",Em.DATA_TYPE_UINT8,1),
    Am.NUMBER_OF_RETURNS = new Am("NUMBER_OF_RETURNS",Em.DATA_TYPE_UINT8,1),
    Am.SOURCE_ID = new Am("SOURCE_ID",Em.DATA_TYPE_UINT16,1),
    Am.INDICES = new Am("INDICES",Em.DATA_TYPE_UINT32,1),
    Am.SPACING = new Am("SPACING",Em.DATA_TYPE_FLOAT,1),
    Am.GPS_TIME = new Am(Mm("GPS_TIME"),Em.DATA_TYPE_DOUBLE,1);
    var Sm = function() {
        function i(e) {
            if (O(this, i),
            this.attributes = [],
            this.byteSize = 0,
            this.size = 0,
            this.vectors = [],
            null != e)
                for (var t = 0; t < e.length; t++) {
                    var n = e[t]
                      , n = Am[n];
                    this.attributes.push(n),
                    this.byteSize += n.byteSize,
                    this.size++
                }
        }
        return h(i, [{
            key: "add",
            value: function(e) {
                this.attributes.push(e),
                this.byteSize += e.byteSize,
                this.size++
            }
        }, {
            key: "addVector",
            value: function(e) {
                this.vectors.push(e)
            }
        }, {
            key: "hasNormals",
            value: function() {
                for (var e in this.attributes) {
                    e = this.attributes[e];
                    if (e === Am.NORMAL_SPHEREMAPPED || e === Am.NORMAL_FLOATS || e === Am.NORMAL || e === Am.NORMAL_OCT16)
                        return !0
                }
                return !1
            }
        }]),
        i
    }()
      , Cm = function() {
        function t() {
            O(this, t)
        }
        return h(t, null, [{
            key: "toVector3",
            value: function(e, t) {
                return (new Cn).fromArray(e, t || 0)
            }
        }, {
            key: "toBox3",
            value: function(e) {
                return new kn(t.toVector3(e),t.toVector3(e, 3))
            }
        }, {
            key: "findDim",
            value: function(e, t) {
                e = e.find(function(e) {
                    return e.name == t
                });
                if (!e)
                    throw new Error("Failed to find " + t + " in schema");
                return e
            }
        }, {
            key: "sphereFrom",
            value: function(e) {
                return e.getBoundingSphere(new qn)
            }
        }]),
        t
    }()
      , Ud = h(function e(t, n) {
        O(this, e);
        n.version;
        var i = n.schema
          , r = n.bounds
          , a = n.boundsConforming
          , o = [Cm.findDim(i, "X"), Cm.findDim(i, "Y"), Cm.findDim(i, "Z")]
          , s = o.map(function(e) {
            return e.scale || 1
        })
          , o = o.map(function(e) {
            return e.offset || 0
        });
        this.eptScale = Cm.toVector3(s),
        this.eptOffset = Cm.toVector3(o),
        this.url = t,
        this.info = n,
        this.type = "ept",
        this.schema = i,
        this.span = n.span || n.ticks,
        this.boundingBox = Cm.toBox3(r),
        this.tightBoundingBox = Cm.toBox3(a),
        this.offset = Cm.toVector3([0, 0, 0]),
        this.boundingSphere = Cm.sphereFrom(this.boundingBox),
        this.tightBoundingSphere = Cm.sphereFrom(this.tightBoundingBox),
        this.version = new Potree.Version("1.7"),
        this.projection = null,
        this.fallbackProjection = null,
        n.srs && n.srs.horizontal && (this.projection = n.srs.authority + ":" + n.srs.horizontal),
        n.srs.wkt && (this.projection ? this.fallbackProjection = n.srs.wkt : this.projection = n.srs.wkt);
        try {
            proj4(this.projection)
        } catch (e) {
            this.projection = null
        }
        a = new Sm;
        a.add(Am.POSITION_CARTESIAN),
        a.add(new Am("rgba",Em.DATA_TYPE_UINT8,4)),
        a.add(new Am("intensity",Em.DATA_TYPE_UINT16,1)),
        a.add(new Am("classification",Em.DATA_TYPE_UINT8,1)),
        a.add(new Am("gps-time",Em.DATA_TYPE_DOUBLE,1)),
        a.add(new Am("returnNumber",Em.DATA_TYPE_UINT8,1)),
        a.add(new Am("number of returns",Em.DATA_TYPE_UINT8,1)),
        a.add(new Am("return number",Em.DATA_TYPE_UINT8,1)),
        a.add(new Am("source id",Em.DATA_TYPE_UINT16,1)),
        this.pointAttributes = a,
        this.spacing = (this.boundingBox.max.x - this.boundingBox.min.x) / this.span;
        n.hierarchyType;
        n = n.dataType;
        if ("laszip" == n)
            this.loader = new Potree.EptLaszipLoader;
        else if ("binary" == n)
            this.loader = new Potree.EptBinaryLoader;
        else {
            if ("zstandard" != n)
                throw new Error("Could not read data type: " + n);
            this.loader = new Potree.EptZstandardLoader
        }
    })
      , _u = function() {
        function o(e, t, n, i, r, a) {
            O(this, o),
            this.ept = e,
            this.b = t,
            this.d = n,
            this.x = i || 0,
            this.y = r || 0,
            this.z = a || 0
        }
        return h(o, [{
            key: "name",
            value: function() {
                return this.d + "-" + this.x + "-" + this.y + "-" + this.z
            }
        }, {
            key: "step",
            value: function(e, t, n) {
                var i = this.b.min.clone()
                  , r = this.b.max.clone()
                  , a = (new Cn).subVectors(r, i);
                return e ? i.x += a.x / 2 : r.x -= a.x / 2,
                t ? i.y += a.y / 2 : r.y -= a.y / 2,
                n ? i.z += a.z / 2 : r.z -= a.z / 2,
                new Potree.EptKey(this.ept,new kn(i,r),this.d + 1,2 * this.x + e,2 * this.y + t,2 * this.z + n)
            }
        }, {
            key: "children",
            value: function() {
                for (var e = [], t = 0; t < 2; ++t)
                    for (var n = 0; n < 2; ++n)
                        for (var i = 0; i < 2; ++i) {
                            var r = this.step(t, n, i).name();
                            e.includes(r) || (e = e.concat(r))
                        }
                return e
            }
        }]),
        o
    }()
      , Jd = function() {
        y(l, bm);
        var e, s = w(l);
        function l(e, t, n, i, r, a) {
            var o;
            O(this, l),
            (o = s.call(this)).ept = e,
            o.key = new Potree.EptKey(o.ept,t || o.ept.boundingBox,n || 0,i,r,a),
            o.id = l.IDCount++,
            o.geometry = null,
            o.boundingBox = o.key.b,
            o.tightBoundingBox = o.boundingBox,
            o.spacing = o.ept.spacing / Math.pow(2, o.key.d),
            o.boundingSphere = Cm.sphereFrom(o.boundingBox),
            o.hasChildren = !1,
            o.children = {},
            o.numPoints = -1,
            o.level = o.key.d,
            o.loaded = !1,
            o.loading = !1,
            o.oneTimeDisposeHandlers = [];
            a = o.key;
            return o.name = o.toPotreeName(a.d, a.x, a.y, a.z),
            o.index = parseInt(o.name.charAt(o.name.length - 1)),
            o
        }
        return h(l, [{
            key: "isGeometryNode",
            value: function() {
                return !0
            }
        }, {
            key: "getLevel",
            value: function() {
                return this.level
            }
        }, {
            key: "isTreeNode",
            value: function() {
                return !1
            }
        }, {
            key: "isLoaded",
            value: function() {
                return this.loaded
            }
        }, {
            key: "getBoundingSphere",
            value: function() {
                return this.boundingSphere
            }
        }, {
            key: "getBoundingBox",
            value: function() {
                return this.boundingBox
            }
        }, {
            key: "url",
            value: function() {
                return this.ept.url + "ept-data/" + this.filename()
            }
        }, {
            key: "getNumPoints",
            value: function() {
                return this.numPoints
            }
        }, {
            key: "filename",
            value: function() {
                return this.key.name()
            }
        }, {
            key: "getChildren",
            value: function() {
                for (var e = [], t = 0; t < 8; t++)
                    this.children[t] && e.push(this.children[t]);
                return e
            }
        }, {
            key: "addChild",
            value: function(e) {
                (this.children[e.index] = e).parent = this
            }
        }, {
            key: "load",
            value: function() {
                this.loaded || this.loading || Potree.numNodesLoading >= Potree.maxNodesLoading || (this.loading = !0,
                ++Potree.numNodesLoading,
                -1 == this.numPoints && this.loadHierarchy(),
                this.loadPoints())
            }
        }, {
            key: "loadPoints",
            value: function() {
                this.ept.loader.load(this)
            }
        }, {
            key: "loadHierarchy",
            value: (e = r(regeneratorRuntime.mark(function e() {
                var l, t, u, c = this;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return ((l = {})[this.filename()] = this).hasChildren = !1,
                            t = "".concat(this.ept.url, "ept-hierarchy/").concat(this.filename(), ".json"),
                            e.next = 6,
                            fetch(t);
                        case 6:
                            return t = e.sent,
                            e.next = 9,
                            t.json();
                        case 9:
                            u = e.sent,
                            Object.keys(u).sort(function(e, t) {
                                var n = N(e.split("-").map(function(e) {
                                    return parseInt(e, 10)
                                }), 4)
                                  , i = n[0]
                                  , r = n[1]
                                  , a = n[2]
                                  , o = n[3]
                                  , s = N(t.split("-").map(function(e) {
                                    return parseInt(e, 10)
                                }), 4)
                                  , e = s[0]
                                  , n = s[1]
                                  , t = s[2]
                                  , s = s[3];
                                return i < e ? -1 : e < i ? 1 : r < n ? -1 : n < r ? 1 : a < t ? -1 : t < a ? 1 : o < s ? -1 : s < o ? 1 : 0
                            }).forEach(function(e) {
                                var t = N(e.split("-").map(function(e) {
                                    return parseInt(e, 10)
                                }), 4)
                                  , n = t[0]
                                  , i = t[1]
                                  , r = t[2]
                                  , a = t[3]
                                  , o = 1 & i
                                  , s = 1 & r
                                  , t = 1 & a
                                  , a = l[n - 1 + "-" + (i >> 1) + "-" + (r >> 1) + "-" + (a >> 1)];
                                a && (a.hasChildren = !0,
                                s = a.key.step(o, s, t),
                                (t = new Potree.PointCloudEptGeometryNode(c.ept,s.b,s.d,s.x,s.y,s.z)).level = n,
                                t.numPoints = u[e],
                                a.addChild(t),
                                l[s.name()] = t)
                            });
                        case 12:
                        case "end":
                            return e.stop()
                        }
                }, e, this)
            })),
            function() {
                return e.apply(this, arguments)
            }
            )
        }, {
            key: "doneLoading",
            value: function(e, t, n, i) {
                e.boundingBox = this.boundingBox,
                this.geometry = e,
                this.tightBoundingBox = t,
                this.numPoints = n,
                this.mean = i,
                this.loaded = !0,
                this.loading = !1,
                --Potree.numNodesLoading
            }
        }, {
            key: "toPotreeName",
            value: function(e, t, n, i) {
                for (var r = "r", a = 0; a < e; ++a) {
                    var o = 1 << e - a - 1
                      , s = 0;
                    t & o && (s += 4),
                    n & o && (s += 2),
                    i & o && (s += 1),
                    r += s
                }
                return r
            }
        }, {
            key: "dispose",
            value: function() {
                if (this.geometry && null != this.parent) {
                    this.geometry.dispose(),
                    this.geometry = null,
                    this.loaded = !1;
                    for (var e = 0; e < this.oneTimeDisposeHandlers.length; e++)
                        (0,
                        this.oneTimeDisposeHandlers[e])();
                    this.oneTimeDisposeHandlers = []
                }
            }
        }]),
        l
    }();
    Jd.IDCount = 0;
    var Pm = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).url = null,
            e.octreeDir = null,
            e.spacing = 0,
            e.boundingBox = null,
            e.root = null,
            e.nodes = null,
            e.pointAttributes = null,
            e.hierarchyStepSize = -1,
            e.loader = null,
            e
        }
        return h(n)
    }()
      , Dm = function() {
        y(E, bm);
        var r = w(E);
        function E(e, t, n) {
            var i;
            return O(this, E),
            (i = r.call(this)).id = E.IDCount++,
            i.name = e,
            i.index = parseInt(e.charAt(e.length - 1)),
            i.pcoGeometry = t,
            i.geometry = null,
            i.boundingBox = n,
            i.boundingSphere = n.getBoundingSphere(new qn),
            i.children = {},
            i.numPoints = 0,
            i.level = null,
            i.loaded = !1,
            i.oneTimeDisposeHandlers = [],
            i
        }
        return h(E, [{
            key: "isGeometryNode",
            value: function() {
                return !0
            }
        }, {
            key: "getLevel",
            value: function() {
                return this.level
            }
        }, {
            key: "isTreeNode",
            value: function() {
                return !1
            }
        }, {
            key: "isLoaded",
            value: function() {
                return this.loaded
            }
        }, {
            key: "getBoundingSphere",
            value: function() {
                return this.boundingSphere
            }
        }, {
            key: "getBoundingBox",
            value: function() {
                return this.boundingBox
            }
        }, {
            key: "getChildren",
            value: function() {
                for (var e = [], t = 0; t < 8; t++)
                    this.children[t] && e.push(this.children[t]);
                return e
            }
        }, {
            key: "getURL",
            value: function() {
                var e = ""
                  , t = this.pcoGeometry.loader.version;
                return t.equalOrHigher("1.5") ? e = this.pcoGeometry.octreeDir + "/" + this.getHierarchyPath() + "/" + this.name : (t.equalOrHigher("1.4") || t.upTo("1.3")) && (e = this.pcoGeometry.octreeDir + "/" + this.name),
                e
            }
        }, {
            key: "getHierarchyPath",
            value: function() {
                for (var e = "r/", t = this.pcoGeometry.hierarchyStepSize, n = this.name.substr(1), i = Math.floor(n.length / t), r = 0; r < i; r++)
                    e += n.substr(r * t, t) + "/";
                return e = e.slice(0, -1)
            }
        }, {
            key: "addChild",
            value: function(e) {
                (this.children[e.index] = e).parent = this
            }
        }, {
            key: "load",
            value: function() {
                !0 === this.loading || !0 === this.loaded || Potree.numNodesLoading >= Potree.maxNodesLoading || (this.loading = !0,
                Potree.numNodesLoading++,
                this.pcoGeometry.loader.version.equalOrHigher("1.5") && this.level % this.pcoGeometry.hierarchyStepSize == 0 && this.hasChildren ? this.loadHierachyThenPoints() : this.loadPoints())
            }
        }, {
            key: "loadPoints",
            value: function() {
                this.pcoGeometry.loader.load(this)
            }
        }, {
            key: "loadHierachyThenPoints",
            value: function(e) {
                var t = this;
                if (t.level % t.pcoGeometry.hierarchyStepSize == 0) {
                    var n = t.pcoGeometry.octreeDir + "/" + t.getHierarchyPath() + "/" + t.name + ".hrc";
                    n += "?m=" + t.pcoGeometry.timeStamp;
                    var i = Gp.createXMLHttpRequest();
                    i.open("GET", n, !0),
                    i.responseType = "arraybuffer",
                    i.overrideMimeType("text/plain; charset=x-user-defined"),
                    i.onreadystatechange = function() {
                        var e;
                        4 === i.readyState && (200 === i.status || 0 === i.status ? (e = i.response,
                        function(e, t) {
                            performance.now();
                            var n = new DataView(t)
                              , i = []
                              , r = n.getUint8(0)
                              , a = n.getUint32(1, !0);
                            e.numPoints = a,
                            i.push({
                                children: r,
                                numPoints: a,
                                name: e.name
                            });
                            for (var o = [], s = 5; 0 < i.length; ) {
                                for (var l, u, c, d = i.shift(), h = 1, p = 0; p < 8; p++)
                                    0 != (d.children & h) && (l = d.name + p,
                                    u = n.getUint8(s),
                                    c = n.getUint32(s + 1, !0),
                                    i.push({
                                        children: u,
                                        numPoints: c,
                                        name: l
                                    }),
                                    o.push({
                                        children: u,
                                        numPoints: c,
                                        name: l
                                    }),
                                    s += 5),
                                    h *= 2;
                                if (s === t.byteLength)
                                    break
                            }
                            for (var f = {}, m = (f[e.name] = e).pcoGeometry, v = 0; v < o.length; v++) {
                                var g = o[v].name
                                  , y = o[v].numPoints
                                  , w = parseInt(g.charAt(g.length - 1))
                                  , b = f[g.substring(0, g.length - 1)]
                                  , x = g.length - 1;
                                m.dispatchEvent({
                                    type: "updateNodeMaxLevel",
                                    level: x
                                });
                                w = new E(g,m,Jf.createChildAABB(b.boundingBox, w));
                                w.level = x,
                                w.numPoints = y,
                                w.hasChildren = 0 < o[v].children,
                                w.spacing = m.spacing / Math.pow(2, x),
                                b.addChild(w),
                                f[g] = w
                            }
                            performance.now();
                            e.loadPoints()
                        }(t, e)) : (console.log("Failed to load file! HTTP status: " + i.status + ", file: " + n),
                        Potree.numNodesLoading--))
                    }
                    ;
                    try {
                        i.send(null)
                    } catch (e) {
                        console.log("fehler beim laden der punktwolke: " + e)
                    }
                }
            }
        }, {
            key: "getNumPoints",
            value: function() {
                return this.numPoints
            }
        }, {
            key: "dispose",
            value: function() {
                if (this.geometry && null != this.parent) {
                    this.geometry.dispose(),
                    this.geometry = null,
                    this.loaded = !1,
                    this.dispatchEvent({
                        type: "dispose"
                    });
                    for (var e = 0; e < this.oneTimeDisposeHandlers.length; e++)
                        (0,
                        this.oneTimeDisposeHandlers[e])();
                    this.oneTimeDisposeHandlers = []
                }
            }
        }, {
            key: "traverse",
            value: function(e, t) {
                for (var n, i = (t = void 0 === t ? !0 : t) ? [this] : []; void 0 !== (n = i.pop()); ) {
                    e(n);
                    for (var r = 0, a = n.children; r < a.length; r++) {
                        var o = a[r];
                        null !== o && i.push(o)
                    }
                }
            }
        }]),
        E
    }()
      , km = {
        SPECTRAL: [[Dm.IDCount = 0, new Yi(.3686,.3098,.6353)], [.1, new Yi(.1961,.5333,.7412)], [.2, new Yi(.4,.7608,.6471)], [.3, new Yi(.6706,.8667,.6431)], [.4, new Yi(.902,.9608,.5961)], [.5, new Yi(1,1,.749)], [.6, new Yi(.9961,.8784,.5451)], [.7, new Yi(.9922,.6824,.3804)], [.8, new Yi(.9569,.4275,.2627)], [.9, new Yi(.8353,.2431,.3098)], [1, new Yi(.6196,.0039,.2588)]],
        PLASMA: [[0, new Yi(.241,.015,.61)], [.1, new Yi(.387,.001,.654)], [.2, new Yi(.524,.025,.653)], [.3, new Yi(.651,.125,.596)], [.4, new Yi(.752,.227,.513)], [.5, new Yi(.837,.329,.431)], [.6, new Yi(.907,.435,.353)], [.7, new Yi(.963,.554,.272)], [.8, new Yi(.992,.681,.195)], [.9, new Yi(.987,.822,.144)], [1, new Yi(.94,.975,.131)]],
        YELLOW_GREEN: [[0, new Yi(.1647,.2824,.3451)], [.1, new Yi(.1338,.3555,.4227)], [.2, new Yi(.061,.4319,.4864)], [.3, new Yi(0,.5099,.5319)], [.4, new Yi(0,.5881,.5569)], [.5, new Yi(.137,.665,.5614)], [.6, new Yi(.2906,.7395,.5477)], [.7, new Yi(.4453,.8099,.5201)], [.8, new Yi(.6102,.8748,.485)], [.9, new Yi(.7883,.9323,.4514)], [1, new Yi(.9804,.9804,.4314)]],
        VIRIDIS: [[0, new Yi(.267,.005,.329)], [.1, new Yi(.283,.141,.458)], [.2, new Yi(.254,.265,.53)], [.3, new Yi(.207,.372,.553)], [.4, new Yi(.164,.471,.558)], [.5, new Yi(.128,.567,.551)], [.6, new Yi(.135,.659,.518)], [.7, new Yi(.267,.749,.441)], [.8, new Yi(.478,.821,.318)], [.9, new Yi(.741,.873,.15)], [1, new Yi(.993,.906,.144)]],
        INFERNO: [[0, new Yi(.077,.042,.206)], [.1, new Yi(.225,.036,.388)], [.2, new Yi(.373,.074,.432)], [.3, new Yi(.522,.128,.42)], [.4, new Yi(.665,.182,.37)], [.5, new Yi(.797,.255,.287)], [.6, new Yi(.902,.364,.184)], [.7, new Yi(.969,.516,.063)], [.8, new Yi(.988,.683,.072)], [.9, new Yi(.961,.859,.298)], [1, new Yi(.988,.998,.645)]],
        GRAYSCALE: [[0, new Yi(0,0,0)], [1, new Yi(1,1,1)]],
        TURBO: [[0, new Yi(.18995,.07176,.23217)], [.07, new Yi(.25107,.25237,.63374)], [.13, new Yi(.27628,.42118,.89123)], [.2, new Yi(.25862,.57958,.99876)], [.27, new Yi(.15844,.73551,.92305)], [.33, new Yi(.09267,.86554,.7623)], [.4, new Yi(.19659,.94901,.59466)], [.47, new Yi(.42778,.99419,.38575)], [.53, new Yi(.64362,.98999,.23356)], [.6, new Yi(.80473,.92452,.20459)], [.67, new Yi(.93301,.81236,.22667)], [.73, new Yi(.99314,.67408,.20348)], [.8, new Yi(.9836,.49291,.12849)], [.87, new Yi(.92105,.31489,.05475)], [.93, new Yi(.81608,.18462,.01809)], [1, new Yi(.66449,.08436,.00424)]],
        RAINBOW: [[0, new Yi(.278,0,.714)], [1 / 6, new Yi(0,0,1)], [2 / 6, new Yi(0,1,1)], [.5, new Yi(0,1,0)], [4 / 6, new Yi(1,1,0)], [5 / 6, new Yi(1,.64,0)], [1, new Yi(1,0,0)]],
        CONTOUR: [[0, new Yi(0,0,0)], [.03, new Yi(0,0,0)], [.04, new Yi(1,1,1)], [1, new Yi(1,1,1)]]
    }
      , Bm = {
        DEFAULT: {
            0: {
                visible: !0,
                name: "never classified",
                color: [.5, .5, .5, 1]
            },
            1: {
                visible: !0,
                name: "unclassified",
                color: [.5, .5, .5, 1]
            },
            2: {
                visible: !0,
                name: "ground",
                color: [.63, .32, .18, 1]
            },
            3: {
                visible: !0,
                name: "low vegetation",
                color: [0, 1, 0, 1]
            },
            4: {
                visible: !0,
                name: "medium vegetation",
                color: [0, .8, 0, 1]
            },
            5: {
                visible: !0,
                name: "high vegetation",
                color: [0, .6, 0, 1]
            },
            6: {
                visible: !0,
                name: "building",
                color: [1, .66, 0, 1]
            },
            7: {
                visible: !0,
                name: "low point(noise)",
                color: [1, 0, 1, 1]
            },
            8: {
                visible: !0,
                name: "key-point",
                color: [1, 0, 0, 1]
            },
            9: {
                visible: !0,
                name: "water",
                color: [0, 0, 1, 1]
            },
            12: {
                visible: !0,
                name: "overlap",
                color: [1, 1, 0, 1]
            },
            DEFAULT: {
                visible: !0,
                name: "default",
                color: [.3, .6, .6, .5]
            }
        }
    };
    Object.defineProperty(Bm, "RANDOM", {
        get: function() {
            for (var e = {}, t = 0; t <= 255; t++)
                e[t] = new Mn(Math.random(),Math.random(),Math.random());
            return e.DEFAULT = new Mn(Math.random(),Math.random(),Math.random()),
            e
        }
    });
    var Lm, Rm = function() {
        y(s, Gu);
        var o = w(s);
        function s() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, s),
            (e = o.call(this)).visibleNodesTexture = Jf.generateDataTexture(2048, 1, new Yi(16777215)),
            e.visibleNodesTexture.minFilter = Re,
            e.visibleNodesTexture.magFilter = Re;
            function n(e, t) {
                return void 0 !== e ? e : t
            }
            var i = n(t.size, 1)
              , r = n(t.minSize, 2)
              , a = n(t.maxSize, 1550)
              , t = n(t.treeType, sm.OCTREE);
            e._pointSizeType = am.FIXED,
            e._shape = om.SQUARE,
            e._useClipBox = !1,
            e.clipBoxes = [],
            e.clipPolygons = [],
            e._weighted = !1,
            e._gradient = km.RAINBOW,
            e.gradientTexture = s.generateGradientTexture(e._gradient),
            e._matcap = "matcap.jpg",
            e.matcapTexture = Potree.PointCloudMaterial.generateMatcapTexture(e._matcap),
            e.lights = !1,
            e.fog = !1,
            e._treeType = t,
            e._useEDL = !1,
            e.defines = new Map,
            e.ranges = new Map,
            e._activeAttributeName = null,
            e._defaultIntensityRangeChanged = !1,
            e._defaultElevationRangeChanged = !1;
            t = new ia(new Uint8Array(1024),256,1,et);
            return t.magFilter = Re,
            t.needsUpdate = !0,
            e.classificationTexture = t,
            e.attributes = {
                position: {
                    type: "fv",
                    value: []
                },
                color: {
                    type: "fv",
                    value: []
                },
                normal: {
                    type: "fv",
                    value: []
                },
                intensity: {
                    type: "f",
                    value: []
                },
                classification: {
                    type: "f",
                    value: []
                },
                returnNumber: {
                    type: "f",
                    value: []
                },
                numberOfReturns: {
                    type: "f",
                    value: []
                },
                pointSourceID: {
                    type: "f",
                    value: []
                },
                indices: {
                    type: "fv",
                    value: []
                }
            },
            e.uniforms = {
                level: {
                    type: "f",
                    value: 0
                },
                vnStart: {
                    type: "f",
                    value: 0
                },
                spacing: {
                    type: "f",
                    value: 1
                },
                blendHardness: {
                    type: "f",
                    value: 2
                },
                blendDepthSupplement: {
                    type: "f",
                    value: 0
                },
                fov: {
                    type: "f",
                    value: 1
                },
                resolution: {
                    type: "v2",
                    value: new yn
                },
                near: {
                    type: "f",
                    value: .1
                },
                far: {
                    type: "f",
                    value: 1
                },
                uColor: {
                    type: "c",
                    value: new Yi(16777215)
                },
                uOpacity: {
                    type: "f",
                    value: 1
                },
                size: {
                    type: "f",
                    value: i
                },
                minSize: {
                    type: "f",
                    value: r
                },
                maxSize: {
                    type: "f",
                    value: a
                },
                octreeSize: {
                    type: "f",
                    value: 0
                },
                bbSize: {
                    type: "fv",
                    value: [0, 0, 0]
                },
                elevationRange: {
                    type: "2fv",
                    value: [0, 0]
                },
                clipBoxCount: {
                    type: "f",
                    value: 0
                },
                clipPolygonCount: {
                    type: "i",
                    value: 0
                },
                clipBoxes: {
                    type: "Matrix4fv",
                    value: []
                },
                clipPolygons: {
                    type: "3fv",
                    value: []
                },
                clipPolygonVCount: {
                    type: "iv",
                    value: []
                },
                clipPolygonVP: {
                    type: "Matrix4fv",
                    value: []
                },
                visibleNodes: {
                    type: "t",
                    value: e.visibleNodesTexture
                },
                pcIndex: {
                    type: "f",
                    value: 0
                },
                gradient: {
                    type: "t",
                    value: e.gradientTexture
                },
                classificationLUT: {
                    type: "t",
                    value: e.classificationTexture
                },
                uHQDepthMap: {
                    type: "t",
                    value: null
                },
                toModel: {
                    type: "Matrix4f",
                    value: []
                },
                diffuse: {
                    type: "fv",
                    value: [1, 1, 1]
                },
                transition: {
                    type: "f",
                    value: .5
                },
                intensityRange: {
                    type: "fv",
                    value: [1 / 0, -1 / 0]
                },
                intensity_gbc: {
                    type: "fv",
                    value: [1, 0, 0]
                },
                uRGB_gbc: {
                    type: "fv",
                    value: [1, 0, 0]
                },
                wRGB: {
                    type: "f",
                    value: 1
                },
                wIntensity: {
                    type: "f",
                    value: 0
                },
                wElevation: {
                    type: "f",
                    value: 0
                },
                wClassification: {
                    type: "f",
                    value: 0
                },
                wReturnNumber: {
                    type: "f",
                    value: 0
                },
                wSourceID: {
                    type: "f",
                    value: 0
                },
                useOrthographicCamera: {
                    type: "b",
                    value: !1
                },
                elevationGradientRepat: {
                    type: "i",
                    value: im.CLAMP
                },
                clipTask: {
                    type: "i",
                    value: 1
                },
                clipMethod: {
                    type: "i",
                    value: 1
                },
                uShadowColor: {
                    type: "3fv",
                    value: [0, 0, 0]
                },
                uExtraScale: {
                    type: "f",
                    value: 1
                },
                uExtraOffset: {
                    type: "f",
                    value: 0
                },
                uExtraRange: {
                    type: "2fv",
                    value: [0, 1]
                },
                uExtraGammaBrightContr: {
                    type: "3fv",
                    value: [1, 0, 0]
                },
                uFilterReturnNumberRange: {
                    type: "fv",
                    value: [0, 7]
                },
                uFilterNumberOfReturnsRange: {
                    type: "fv",
                    value: [0, 7]
                },
                uFilterGPSTimeClipRange: {
                    type: "fv",
                    value: [0, 7]
                },
                uFilterPointSourceIDClipRange: {
                    type: "fv",
                    value: [0, 65535]
                },
                matcapTextureUniform: {
                    type: "t",
                    value: e.matcapTexture
                },
                backfaceCulling: {
                    type: "b",
                    value: !1
                },
                progress: {
                    type: "f",
                    value: 0
                },
                easeInOutRatio: {
                    type: "f",
                    value: .3
                },
                pano0Map: {
                    type: "t",
                    value: null
                },
                pano0Position: {
                    type: "v3",
                    value: new Cn
                },
                pano0Matrix: {
                    type: "m4",
                    value: new ni
                },
                pano1Map: {
                    type: "t",
                    value: null
                },
                pano1Position: {
                    type: "v3",
                    value: new Cn
                },
                pano1Matrix: {
                    type: "m4",
                    value: new ni
                }
            },
            e.classification = Bm.DEFAULT,
            e.defaultAttributeValues.normal = [0, 0, 0],
            e.defaultAttributeValues.classification = [0, 0, 0],
            e.defaultAttributeValues.indices = [0, 0, 0, 0],
            e.vertexShader = Hp["pointcloud.vs"],
            e.fragmentShader = Hp["pointcloud.fs"],
            e.vertexColors = 2,
            e.updateShaderSource(),
            e
        }
        return h(s, [{
            key: "setDefine",
            value: function(e, t) {
                null != t ? this.defines.get(e) !== t && (this.defines.set(e, t),
                this.updateShaderSource()) : this.removeDefine(e)
            }
        }, {
            key: "removeDefine",
            value: function(e) {
                this.defines.delete(e)
            }
        }, {
            key: "updateShaderSource",
            value: function() {
                var e = Hp["pointcloud.vs"]
                  , t = Hp["pointcloud.fs"]
                  , n = this.getDefines()
                  , i = e.indexOf("#version ")
                  , r = t.indexOf("#version ")
                  , e = 0 <= i ? e.replace(/(#version .*)/, "$1\n".concat(n)) : "".concat(n, "\n").concat(e)
                  , t = 0 <= r ? t.replace(/(#version .*)/, "$1\n".concat(n)) : "".concat(n, "\n").concat(t);
                this.vertexShader = e,
                this.fragmentShader = t,
                1 !== this.opacity || this.useFilterByNormal ? (this.opacity < 1 || this.useFilterByNormal) && !this.useEDL && (this.blending = ee,
                this.transparent = !0,
                this.depthTest = !1,
                this.depthWrite = !0,
                this.depthFunc = _e) : (this.blending = Z,
                this.transparent = !1,
                this.depthTest = !0,
                this.depthWrite = !0,
                this.depthFunc = Ae),
                this.weighted && (this.blending = ee,
                this.transparent = !0,
                this.depthTest = !0,
                this.depthWrite = !1),
                this.needsUpdate = !0
            }
        }, {
            key: "getDefines",
            value: function() {
                var e, t = [];
                this.pointSizeType === am.FIXED ? t.push("#define fixed_point_size") : this.pointSizeType === am.ATTENUATED ? t.push("#define attenuated_point_size") : this.pointSizeType === am.ADAPTIVE && t.push("#define adaptive_point_size"),
                jp.EXT_DEPTH.isSupported() || this.shape !== om.PARABOLOID || (this.shape = om.SQUARE),
                this.shape === om.SQUARE ? t.push("#define square_point_shape") : this.shape === om.CIRCLE ? t.push("#define circle_point_shape") : this.shape === om.PARABOLOID && t.push("#define paraboloid_point_shape"),
                (this._useEDL || this.fakeEDL) && t.push("#define use_edl"),
                this.activeAttributeName && (e = this.activeAttributeName.replace(/[^a-zA-Z0-9]/g, "_"),
                t.push("#define color_type_".concat(e))),
                this._treeType === sm.OCTREE ? t.push("#define tree_type_octree") : this._treeType === sm.KDTREE && t.push("#define tree_type_kdtree"),
                this.weighted && t.push("#define weighted_splats");
                var n, i = ue(this.defines);
                try {
                    for (i.s(); !(n = i.n()).done; ) {
                        var r = N(n.value, 2)
                          , a = (r[0],
                        r[1]);
                        t.push(a)
                    }
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
                return t.join("\n")
            }
        }, {
            key: "setClipBoxes",
            value: function(e) {
                if (e) {
                    var t = this.clipBoxes.length !== e.length && (0 === e.length || 0 === this.clipBoxes.length);
                    this.uniforms.clipBoxCount.value = this.clipBoxes.length,
                    this.clipBoxes = e,
                    t && this.updateShaderSource(),
                    this.uniforms.clipBoxes.value = new Float32Array(16 * this.clipBoxes.length);
                    for (var n = 0; n < this.clipBoxes.length; n++) {
                        var i = e[n];
                        this.uniforms.clipBoxes.value.set(i.inverse.elements, 16 * n)
                    }
                    for (var r = 0; r < this.uniforms.clipBoxes.value.length; r++)
                        Number.isNaN(this.uniforms.clipBoxes.value[r]) && (this.uniforms.clipBoxes.value[r] = 1 / 0)
                }
            }
        }, {
            key: "setClipPolygons",
            value: function(e, t) {
                e && (this.clipPolygons = e,
                this.clipPolygons.length !== e.length && this.updateShaderSource())
            }
        }, {
            key: "gradient",
            get: function() {
                return this._gradient
            },
            set: function(e) {
                this._gradient !== e && (this._gradient = e,
                this.gradientTexture = s.generateGradientTexture(this._gradient),
                this.uniforms.gradient.value = this.gradientTexture)
            }
        }, {
            key: "matcap",
            get: function() {
                return this._matcap
            },
            set: function(e) {
                this._matcap !== e && (this._matcap = e,
                this.matcapTexture = Potree.PointCloudMaterial.generateMatcapTexture(this._matcap),
                this.uniforms.matcapTextureUniform.value = this.matcapTexture)
            }
        }, {
            key: "useOrthographicCamera",
            get: function() {
                return this.uniforms.useOrthographicCamera.value
            },
            set: function(e) {
                this.uniforms.useOrthographicCamera.value !== e && (this.uniforms.useOrthographicCamera.value = e)
            }
        }, {
            key: "backfaceCulling",
            get: function() {
                return this.uniforms.backfaceCulling.value
            },
            set: function(e) {
                this.uniforms.backfaceCulling.value !== e && (this.uniforms.backfaceCulling.value = e,
                this.dispatchEvent({
                    type: "backface_changed",
                    target: this
                }))
            }
        }, {
            key: "recomputeClassification",
            value: function() {
                for (var e = this.classification, t = this.classificationTexture.image.data, n = [1, 1, 1, 1], i = !1, r = 0; r < 256; r++) {
                    var a = void 0
                      , o = !0;
                    e[r] ? (a = e[r].color,
                    o = e[r].visible) : e[r % 32] ? (a = e[r % 32].color,
                    o = e[r % 32].visible) : e.DEFAULT ? (a = e.DEFAULT.color,
                    o = e.DEFAULT.visible) : a = n;
                    var s = parseInt(255 * a[0])
                      , l = parseInt(255 * a[1])
                      , u = parseInt(255 * a[2])
                      , a = o ? parseInt(255 * a[3]) : 0;
                    t[4 * r + 0] !== s && (t[4 * r + 0] = s,
                    i = !0),
                    t[4 * r + 1] !== l && (t[4 * r + 1] = l,
                    i = !0),
                    t[4 * r + 2] !== u && (t[4 * r + 2] = u,
                    i = !0),
                    t[4 * r + 3] !== a && (t[4 * r + 3] = a,
                    i = !0)
                }
                i && (this.classificationTexture.needsUpdate = !0,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "spacing",
            get: function() {
                return this.uniforms.spacing.value
            },
            set: function(e) {
                this.uniforms.spacing.value !== e && (this.uniforms.spacing.value = e)
            }
        }, {
            key: "useClipBox",
            get: function() {
                return this._useClipBox
            },
            set: function(e) {
                this._useClipBox !== e && (this._useClipBox = e,
                this.updateShaderSource())
            }
        }, {
            key: "clipTask",
            get: function() {
                return this.uniforms.clipTask.value
            },
            set: function(e) {
                this.uniforms.clipTask.value = e
            }
        }, {
            key: "elevationGradientRepat",
            get: function() {
                return this.uniforms.elevationGradientRepat.value
            },
            set: function(e) {
                this.uniforms.elevationGradientRepat.value = e
            }
        }, {
            key: "clipMethod",
            get: function() {
                return this.uniforms.clipMethod.value
            },
            set: function(e) {
                this.uniforms.clipMethod.value = e
            }
        }, {
            key: "weighted",
            get: function() {
                return this._weighted
            },
            set: function(e) {
                this._weighted !== e && (this._weighted = e,
                this.updateShaderSource())
            }
        }, {
            key: "fov",
            get: function() {
                return this.uniforms.fov.value
            },
            set: function(e) {
                this.uniforms.fov.value !== e && (this.uniforms.fov.value = e)
            }
        }, {
            key: "resolution",
            get: function() {
                return this.uniforms.resolution.value
            },
            set: function(e) {
                this.uniforms.resolution.value.copy(e)
            }
        }, {
            key: "near",
            get: function() {
                return this.uniforms.near.value
            },
            set: function(e) {
                this.uniforms.near.value !== e && (this.uniforms.near.value = e)
            }
        }, {
            key: "far",
            get: function() {
                return this.uniforms.far.value
            },
            set: function(e) {
                this.uniforms.far.value !== e && (this.uniforms.far.value = e)
            }
        }, {
            key: "opacity",
            get: function() {
                return this.uniforms.uOpacity.value
            },
            set: function(e) {
                this.uniforms && this.uniforms.uOpacity && this.uniforms.uOpacity.value !== e && (this.uniforms.uOpacity.value = e,
                this.updateShaderSource(),
                this.dispatchEvent({
                    type: "opacity_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "activeAttributeName",
            get: function() {
                return this._activeAttributeName
            },
            set: function(e) {
                this._activeAttributeName !== e && (this._activeAttributeName = e,
                this.updateShaderSource(),
                this.dispatchEvent({
                    type: "active_attribute_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "pointSizeType",
            get: function() {
                return this._pointSizeType
            },
            set: function(e) {
                this._pointSizeType !== (e = "string" == typeof e ? am[e] : e) && (this._pointSizeType = e,
                this.updateShaderSource(),
                this.dispatchEvent({
                    type: "point_size_type_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "useEDL",
            get: function() {
                return this._useEDL
            },
            set: function(e) {
                this._useEDL !== e && (this._useEDL = e,
                this.updateShaderSource())
            }
        }, {
            key: "fakeEDL",
            get: function() {
                return this._fakeEDL
            },
            set: function(e) {
                this._fakeEDL !== e && (this._fakeEDL = e,
                this.updateShaderSource())
            }
        }, {
            key: "color",
            get: function() {
                return this.uniforms.uColor.value
            },
            set: function(e) {
                var t, n;
                e != this.color_ && ("string" != typeof (t = e) || (n = Potree.config.colors[e]) && (t = (new Yi).fromArray(n).multiplyScalar(1 / 255)),
                this.uniforms.uColor.value.set(t),
                this.dispatchEvent({
                    type: "color_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }),
                this.color_ = e)
            }
        }, {
            key: "shape",
            get: function() {
                return this._shape
            },
            set: function(e) {
                this._shape !== e && (this._shape = e,
                this.updateShaderSource(),
                this.dispatchEvent({
                    type: "point_shape_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "treeType",
            get: function() {
                return this._treeType
            },
            set: function(e) {
                this._treeType !== e && (this._treeType = e,
                this.updateShaderSource())
            }
        }, {
            key: "bbSize",
            get: function() {
                return this.uniforms.bbSize.value
            },
            set: function(e) {
                this.uniforms.bbSize.value = e
            }
        }, {
            key: "size",
            get: function() {
                return this.uniforms.size.value
            },
            set: function(e) {
                this.uniforms.size.value !== e && (this.uniforms.size.value = e,
                this.dispatchEvent({
                    type: "point_size_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "minSize",
            get: function() {
                return this.uniforms.minSize.value
            },
            set: function(e) {
                this.uniforms.minSize.value !== e && (this.uniforms.minSize.value = e,
                this.dispatchEvent({
                    type: "point_size_changed",
                    target: this
                }),
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "elevationRange",
            get: function() {
                return this.uniforms.elevationRange.value
            },
            set: function(e) {
                this.uniforms.elevationRange.value[0] === e[0] && this.uniforms.elevationRange.value[1] === e[1] || (this.uniforms.elevationRange.value = e,
                this._defaultElevationRangeChanged = !0,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "heightMin",
            get: function() {
                return this.uniforms.elevationRange.value[0]
            },
            set: function(e) {
                this.elevationRange = [e, this.elevationRange[1]]
            }
        }, {
            key: "heightMax",
            get: function() {
                return this.uniforms.elevationRange.value[1]
            },
            set: function(e) {
                this.elevationRange = [this.elevationRange[0], e]
            }
        }, {
            key: "transition",
            get: function() {
                return this.uniforms.transition.value
            },
            set: function(e) {
                this.uniforms.transition.value = e
            }
        }, {
            key: "intensityRange",
            get: function() {
                return this.uniforms.intensityRange.value
            },
            set: function(e) {
                e instanceof Array && 2 === e.length && (e[0] === this.uniforms.intensityRange.value[0] && e[1] === this.uniforms.intensityRange.value[1] || (this.uniforms.intensityRange.value = e,
                this._defaultIntensityRangeChanged = !0,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                })))
            }
        }, {
            key: "intensityGamma",
            get: function() {
                return this.uniforms.intensity_gbc.value[0]
            },
            set: function(e) {
                this.uniforms.intensity_gbc.value[0] !== e && (this.uniforms.intensity_gbc.value[0] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "intensityContrast",
            get: function() {
                return this.uniforms.intensity_gbc.value[2]
            },
            set: function(e) {
                this.uniforms.intensity_gbc.value[2] !== e && (this.uniforms.intensity_gbc.value[2] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "intensityBrightness",
            get: function() {
                return this.uniforms.intensity_gbc.value[1]
            },
            set: function(e) {
                this.uniforms.intensity_gbc.value[1] !== e && (this.uniforms.intensity_gbc.value[1] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "rgbGamma",
            get: function() {
                return this.uniforms.uRGB_gbc.value[0]
            },
            set: function(e) {
                this.uniforms.uRGB_gbc.value[0] !== e && (this.uniforms.uRGB_gbc.value[0] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "rgbContrast",
            get: function() {
                return this.uniforms.uRGB_gbc.value[2]
            },
            set: function(e) {
                this.uniforms.uRGB_gbc.value[2] !== e && (this.uniforms.uRGB_gbc.value[2] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "rgbBrightness",
            get: function() {
                return this.uniforms.uRGB_gbc.value[1]
            },
            set: function(e) {
                this.uniforms.uRGB_gbc.value[1] !== e && (this.uniforms.uRGB_gbc.value[1] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "extraGamma",
            get: function() {
                return this.uniforms.uExtraGammaBrightContr.value[0]
            },
            set: function(e) {
                this.uniforms.uExtraGammaBrightContr.value[0] !== e && (this.uniforms.uExtraGammaBrightContr.value[0] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "extraBrightness",
            get: function() {
                return this.uniforms.uExtraGammaBrightContr.value[1]
            },
            set: function(e) {
                this.uniforms.uExtraGammaBrightContr.value[1] !== e && (this.uniforms.uExtraGammaBrightContr.value[1] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "extraContrast",
            get: function() {
                return this.uniforms.uExtraGammaBrightContr.value[2]
            },
            set: function(e) {
                this.uniforms.uExtraGammaBrightContr.value[2] !== e && (this.uniforms.uExtraGammaBrightContr.value[2] = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "getRange",
            value: function(e) {
                return this.ranges.get(e)
            }
        }, {
            key: "setRange",
            value: function(e, t) {
                var n = !1
                  , i = this.ranges.get(e)
                  , n = null == i || null == t || (i[0] !== t[0] || i[1] !== t[1]);
                this.ranges.set(e, t),
                n && this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                })
            }
        }, {
            key: "extraRange",
            get: function() {
                return this.uniforms.uExtraRange.value
            },
            set: function(e) {
                e instanceof Array && 2 === e.length && (e[0] === this.uniforms.uExtraRange.value[0] && e[1] === this.uniforms.uExtraRange.value[1] || (this.uniforms.uExtraRange.value = e,
                this._defaultExtraRangeChanged = !0,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                })))
            }
        }, {
            key: "weightRGB",
            get: function() {
                return this.uniforms.wRGB.value
            },
            set: function(e) {
                this.uniforms.wRGB.value !== e && (this.uniforms.wRGB.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "weightIntensity",
            get: function() {
                return this.uniforms.wIntensity.value
            },
            set: function(e) {
                this.uniforms.wIntensity.value !== e && (this.uniforms.wIntensity.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "weightElevation",
            get: function() {
                return this.uniforms.wElevation.value
            },
            set: function(e) {
                this.uniforms.wElevation.value !== e && (this.uniforms.wElevation.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "weightClassification",
            get: function() {
                return this.uniforms.wClassification.value
            },
            set: function(e) {
                this.uniforms.wClassification.value !== e && (this.uniforms.wClassification.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "weightReturnNumber",
            get: function() {
                return this.uniforms.wReturnNumber.value
            },
            set: function(e) {
                this.uniforms.wReturnNumber.value !== e && (this.uniforms.wReturnNumber.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "weightSourceID",
            get: function() {
                return this.uniforms.wSourceID.value
            },
            set: function(e) {
                this.uniforms.wSourceID.value !== e && (this.uniforms.wSourceID.value = e,
                this.dispatchEvent({
                    type: "material_property_changed",
                    target: this
                }))
            }
        }, {
            key: "disableEvents",
            value: function() {
                void 0 === this._hiddenListeners && (this._hiddenListeners = this._listeners,
                this._listeners = {})
            }
        }, {
            key: "enableEvents",
            value: function() {
                this._listeners = this._hiddenListeners,
                this._hiddenListeners = void 0
            }
        }, {
            key: "setProjectedPanos",
            value: function(e, t, n, i) {
                this.usePanoMap = !0,
                null != n && (this.uniforms.progress.value = n),
                this.uniforms.pano0Map.value = e.getSkyboxTexture(),
                this.uniforms.pano0Position.value.copy(e.position),
                this.uniforms.pano0Matrix.value.copy(e.panoMatrix),
                this.uniforms.easeInOutRatio.value = i || 0,
                this.uniforms.pano1Map.value = t.getSkyboxTexture(),
                this.uniforms.pano1Position.value.copy(t.position),
                this.uniforms.pano1Matrix.value.copy(t.panoMatrix)
            }
        }, {
            key: "stopProjectedPanos",
            value: function() {
                this.usePanoMap = !1
            }
        }], [{
            key: "generateGradientTexture",
            value: function(e) {
                var t = document.createElement("canvas");
                t.width = 64,
                t.height = 64;
                var n = t.getContext("2d");
                n.rect(0, 0, 64, 64);
                for (var i = n.createLinearGradient(0, 0, 64, 64), r = 0; r < e.length; r++) {
                    var a = e[r];
                    i.addColorStop(a[0], "#" + a[1].getHexString())
                }
                n.fillStyle = i,
                n.fill();
                t = new xl(t);
                return t.needsUpdate = !0,
                t.minFilter = Oe,
                t.wrap = ke,
                t.repeat = 2,
                t
            }
        }, {
            key: "generateMatcapTexture",
            value: function(e) {
                e = new URL(Potree.resourcePath + "/textures/matcap/" + e).href,
                e = (new _c).load(e);
                return e.magFilter = e.minFilter = Oe,
                e.needsUpdate = !0,
                e
            }
        }]),
        s
    }(), Fm = {
        sortByScore: function(e, t, i) {
            e = t ? Fm.filterAll(e, t) : e;
            return 0 === e.length ? null : e.map(function(n) {
                return {
                    item: n,
                    score: i.reduce(function(e, t) {
                        return e + t(n)
                    }, 0)
                }
            }).sort(function(e, t) {
                return t.score - e.score
            })
        },
        filterAll: function(e, n) {
            return e.filter(function(t) {
                return n.every(function(e) {
                    return e(t)
                })
            })
        },
        find: function(e, t, n, i) {
            if (i) {
                i = this.sortByScore(e, t, n);
                return i && i[0] && i[0].item
            }
            var r = t ? Fm.filterAll(e, t) : e;
            return 0 === r.length ? null : (n && n.forEach(function(e) {
                r = Fm.stableSort(r, e)
            }),
            r[0])
        },
        stableSort: function(e, i) {
            return e.map(function(e, t) {
                return {
                    value: e,
                    index: t
                }
            }).sort(function(e, t) {
                var n = i(e.value, t.value);
                return 0 !== n ? n : e.index - t.index
            }).map(function(e) {
                return e.value
            })
        },
        average: function(e, t) {
            if (0 === e.length)
                return null;
            for (var n = 0, i = 0, r = 0; r < e.length; r++)
                n += t ? e[r][t] : e[r],
                i++;
            return n / i
        },
        getMixedSet: function(e, t) {
            return e.filter(function(e) {
                return t.includes(e)
            })
        },
        getUnionSet: function(t, e) {
            return t.concat(e.filter(function(e) {
                return !t.includes(e)
            }))
        },
        getDifferenceSet: function(t, n) {
            var e = t.filter(function(e) {
                return !n.includes(e)
            })
              , i = n.filter(function(e) {
                return !t.includes(e)
            });
            return e.concat(i)
        },
        getDifferenceSetMuti: function(e) {
            var n = [];
            return e.forEach(function(e) {
                e.forEach(function(e) {
                    var t = n.indexOf(e);
                    -1 < t ? n.splice(t, 1) : n.push(e)
                })
            }),
            n
        },
        CloneJson: function(e) {
            e = JSON.stringify(e);
            return JSON.parse(e)
        },
        CloneObject: function(t, e, n) {
            var i, r = this, a = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : [];
            if (a.push(Si),
            !t || "number" == typeof t || "string" == typeof t || t instanceof Function || a.some(function(e) {
                return t instanceof e
            }))
                return t;
            if (e = e || {},
            t instanceof Array)
                return t.map(function(e) {
                    return r.CloneObject(e)
                });
            if (t.clone instanceof Function)
                return t.clone();
            for (i in t)
                t[i]instanceof Object && !n ? e[i] = this.CloneObject(t[i]) : e[i] = t[i];
            return e
        },
        CloneClassObject: function(e) {
            var t = new e.constructor;
            return this.CopyClassObject(t, e),
            t
        },
        CopyClassObject: function(e, t) {
            for (var n in t) {
                if (n in t.__proto__)
                    break;
                e[n] = this.CloneObject(t[n], null)
            }
        },
        ifSame: (Lm = function(n, e) {
            if (n == e)
                return !0;
            if (!n || !e)
                return !1;
            if (n.constructor != e.constructor)
                return !1;
            if (n instanceof Array) {
                if (n.length != e.length)
                    return !1;
                for (var i = e.slice(0), t = 0; t < n.length; t++) {
                    var r, a = function(t) {
                        if (null == (r = i.find(function(e) {
                            return ifSame(n[t], e)
                        })) && !i.includes(r) && !n.includes(r))
                            return {
                                v: !1
                            };
                        var e = i.indexOf(r);
                        i.splice(e, 1)
                    }(t);
                    if ("object" === X(a))
                        return a.v
                }
                return !0
            }
            if (n.equals instanceof Function)
                return n.equals(e);
            if ("number" == typeof n || "string" == typeof n)
                return !(!isNaN(n) || !isNaN(e)) || n == e;
            if ("object" == X(n)) {
                var o, s = Object.keys(n), l = Object.keys(e);
                if (!ifSame(s, l))
                    return !1;
                for (o in n)
                    if (!ifSame(n[o], e[o]))
                        return !1;
                return !0
            }
            console.log("isSame出现例外")
        }
        ,
        Im.toString = function() {
            return Lm.toString()
        }
        ,
        Im),
        replaceAll: function(e, t, n) {
            t = new RegExp(t,"g");
            return e.replace(t, n)
        },
        downloadFile: function(e, t, n) {
            var i = document.createElementNS("http://www.w3.org/1999/xhtml", "a");
            i.href = e,
            i.download = t;
            t = document.createEvent("MouseEvents");
            t.initMouseEvent("click", !0, !1, window, 0, 0, 0, 0, 0, !1, !1, !1, !1, 0, null),
            i.dispatchEvent(t),
            n && n()
        },
        intervalTool: {
            list: [],
            isWaiting: function(t, n, i) {
                var r = this;
                this.list.includes(t) || n() && (this.list.push(t),
                setTimeout(function() {
                    var e = r.list.indexOf(t);
                    r.list.splice(e, 1),
                    r.isWaiting(t, n, i)
                }, i))
            }
        },
        pushToGroupAuto: function(t, n, i) {
            i = i || function() {}
            ;
            var r, a = n.filter(function(e) {
                return e.find(function(e) {
                    return t[0] == e || i(e, t[0]) || t[1] == e || t[1] && i(e, t[1])
                })
            });
            a.length ? (t.forEach(function(e) {
                a[0].includes(e) || a[0].push(e)
            }),
            1 < a.length && (r = [],
            a.forEach(function(e) {
                r = Fm.getUnionSet(r, e),
                n.splice(n.indexOf(e), 1)
            }),
            n.push(r))) : n.push(t)
        },
        addOrRemoveDefine: function(e, t, n) {
            var i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : ""
              , r = e.defines;
            if ("add" == n) {
                if (null != r[t] && r[t] == i)
                    return;
                r[t] = i
            } else {
                if (null != r[t])
                    return;
                delete r[t]
            }
            e.needsUpdate = !0
        },
        makeTexDontResize: function(e) {
            !e || e.image && gn.isPowerOfTwo(e.image.width) && gn.isPowerOfTwo(e.image.height) || (e.wrapS = e.wrapT = Be,
            e.minFilter = Oe)
        }
    };
    function Im(e, t) {
        return Lm.apply(this, arguments)
    }
    new ua(1,1);
    function Om(e, t) {
        var n = zm.get(e);
        return n || (t = new $i({
            color: (new Yi).setHSL(Math.random(), .5, .9),
            transparent: !0,
            side: 2,
            opacity: t ? .3 : .9
        }),
        zm.set(e, t),
        t)
    }
    var zm = new Map
      , Nm = function() {
        y(n, bm);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).children = [],
            e.sceneNode = null,
            e.octree = null,
            e
        }
        return h(n, [{
            key: "getNumPoints",
            value: function() {
                return this.geometryNode.numPoints
            }
        }, {
            key: "isLoaded",
            value: function() {
                return !0
            }
        }, {
            key: "isTreeNode",
            value: function() {
                return !0
            }
        }, {
            key: "isGeometryNode",
            value: function() {
                return !1
            }
        }, {
            key: "getLevel",
            value: function() {
                return this.geometryNode.level
            }
        }, {
            key: "getBoundingSphere",
            value: function() {
                return this.geometryNode.boundingSphere
            }
        }, {
            key: "getBoundingBox",
            value: function() {
                return this.geometryNode.boundingBox
            }
        }, {
            key: "getChildren",
            value: function() {
                for (var e = [], t = 0; t < 8; t++)
                    this.children[t] && e.push(this.children[t]);
                return e
            }
        }, {
            key: "getPointsInBox",
            value: function(e) {
                if (!this.sceneNode)
                    return null;
                for (var t = this.geometryNode.buffer, n = t.offset("position"), i = t.stride, r = new DataView(t.data), e = e.matrixWorld.clone().invert(), a = (new ni).multiplyMatrices(e, this.sceneNode.matrixWorld), o = [], s = new Mn, l = 0; l < t.numElements; l++) {
                    var u = r.getFloat32(l * i + n + 0, !0)
                      , c = r.getFloat32(l * i + n + 4, !0)
                      , d = r.getFloat32(l * i + n + 8, !0);
                    s.set(u, c, d, 1),
                    s.applyMatrix4(a),
                    -.5 < s.x && s.x < .5 && -.5 < s.y && s.y < .5 && -.5 < s.z && s.z < .5 && (s.set(u, c, d, 1).applyMatrix4(this.sceneNode.matrixWorld),
                    o.push(new Cn(s.x,s.y,s.z)))
                }
                return o
            }
        }, {
            key: "name",
            get: function() {
                return this.geometryNode.name
            }
        }]),
        n
    }()
      , Um = function() {
        y(u, xm);
        var l = w(u);
        function u(e, t) {
            var i;
            O(this, u),
            (i = l.call(this)).pcoGeometry = e,
            i.boundingBox = i.pcoGeometry.tightBoundingBox,
            i.boundingSphere = i.boundingBox.getBoundingSphere(new qn),
            i.material = t || new Rm,
            i.visiblePointsTarget = 2e6,
            i.minimumNodePixelSize = 150,
            i.level = 0,
            i.position.copy(e.offset),
            i.updateMatrix(),
            i.nodeMaxLevel = 0,
            i.maxLevel = 1 / 0,
            i.temp = {
                sizeFitToLevel: {},
                opacity: {}
            },
            i.panos = [],
            i.matrixAutoUpdate = !1,
            i.orientationUser = 0,
            i.translateUser = new Cn,
            i.rotateMatrix = new ni,
            i.transformMatrix = new ni,
            i.transformInvMatrix = new ni,
            i.rotateInvMatrix = new ni,
            i.nodeMaxLevelPredict = i.predictNodeMaxLevel(),
            i.testMaxNodeCount = i.testMaxNodeCount2 = 0,
            i.material.spacing = i.pcoGeometry.spacing;
            for (var r = "rgba", a = 0, o = ["rgba", "rgb", "intensity", "classification"]; a < o.length; a++) {
                var n = function() {
                    var t = o[a]
                      , e = i.pcoGeometry.pointAttributes.attributes.find(function(e) {
                        return e.name === t
                    });
                    if (!e)
                        return "continue";
                    var n = "Array" === e.range[0].constructor.name ? e.range[0] : [e.range[0]]
                      , e = "Array" === e.range[1].constructor.name ? e.range[1] : [e.range[1]]
                      , n = B(Cn, Q(n))
                      , e = B(Cn, Q(e));
                    return 0 === n.distanceTo(e) ? "continue" : (r = t,
                    "break")
                }();
                if ("continue" !== n && "break" === n)
                    break
            }
            i.material.activeAttributeName = r,
            i.showBoundingBox = !1,
            i.boundingBoxNodes = [],
            i.loadQueue = [],
            i.visibleBounds = new kn,
            i.visibleNodes = [],
            i.visibleGeometry = [],
            i.generateDEM = !1,
            i.profileRequests = [],
            i.name = "",
            i._visible = !0;
            var s = [i.pcoGeometry.tightBoundingBox, i.getBoundingBoxWorld()].find(function(e) {
                return void 0 !== e
            });
            i.updateMatrixWorld(!0);
            t = (s = Jf.computeTransformedBoundingBox(s, i.matrixWorld)).min.z,
            s = s.max.z;
            return i.material.heightMin = t,
            i.material.heightMax = s,
            i.projection = e.projection,
            i.fallbackProjection = e.fallbackProjection,
            i.root = i.pcoGeometry.root,
            i.pcoGeometry.addEventListener("updateNodeMaxLevel", i.updateNodeMaxLevel.bind(g(i))),
            i.isPointcloud = !0,
            i
        }
        return h(u, [{
            key: "updateNodeMaxLevel",
            value: function(e) {
                e = Math.max(e.level, this.nodeMaxLevel);
                e != this.nodeMaxLevel && (this.nodeMaxLevel = e,
                console.log("updateNodeMaxLevel " + this.dataset_id + " : " + this.nodeMaxLevel),
                this.setPointLevel(),
                Potree.settings.sizeFitToLevel || this.changePointSize())
            }
        }, {
            key: "testMaxNodeLevel",
            value: function() {
                if (!this.testMaxNodeLevelDone) {
                    if (0 == this.nodeMaxLevel)
                        return !0;
                    if (!viewer.atDatasets.includes(this))
                        return !0;
                    var e = this.visibleNodes.map(function(e) {
                        return e.getLevel()
                    });
                    if (Math.max.apply(null, e) < this.maxLevel)
                        return !0;
                    e = this.maxLevel;
                    this.maxLevel = 12,
                    Potree.updatePointClouds([this], viewer.scene.getActiveCamera(), viewer.mainViewport.resolution);
                    this.visibleNodes.map(function(e) {
                        return e.getLevel()
                    });
                    return (this.maxLevel = e,
                    this.testMaxNodeCount++,
                    500 < this.testMaxNodeCount) ? (console.log("testMaxNodeLevel次数超出，强制结束：", this.dataset_id, this.nodeMaxLevel, this.nodeMaxLevelPredict.min),
                    void (this.testMaxNodeLevelDone = "moreThanMaxCount")) : this.nodeMaxLevel < this.nodeMaxLevelPredict.min || (this.testMaxNodeCount2++,
                    this.testMaxNodeCount2 < 50 || void (this.testMaxNodeLevelDone = !0))
                }
            }
        }, {
            key: "setPointLevel",
            value: function() {
                var e = Potree.settings.pointDensity
                  , e = Potree.config.pointDensity[e];
                e && (e = e.percentByUser && null != Potree.settings.UserDensityPercent ? Potree.settings.UserDensityPercent : e.maxLevelPercent,
                this.maxLevel = Math.round(e * this.nodeMaxLevel),
                Potree.settings.sizeFitToLevel && this.changePointSize(),
                this.changePointOpacity())
            }
        }, {
            key: "predictNodeMaxLevel",
            value: function() {
                var e = .005
                  , t = .014;
                return {
                    min: Math.log2(this.material.spacing / t),
                    max: Math.log2(this.material.spacing / e)
                }
            }
        }, {
            key: "getHighestNodeSpacing",
            value: function() {
                return this.material.spacing / Math.pow(2, this.nodeMaxLevel)
            }
        }, {
            key: "setName",
            value: function(e) {
                this.name !== e && (this.name = e,
                this.dispatchEvent({
                    type: "name_changed",
                    name: e,
                    pointcloud: this
                }))
            }
        }, {
            key: "getName",
            value: function() {
                return this.name
            }
        }, {
            key: "getAttribute",
            value: function(t) {
                var e = this.pcoGeometry.pointAttributes.attributes.find(function(e) {
                    return e.name === t
                });
                return e || null
            }
        }, {
            key: "getAttributes",
            value: function() {
                return this.pcoGeometry.pointAttributes
            }
        }, {
            key: "toTreeNode",
            value: function(l, t) {
                var u = this
                  , c = new Nm
                  , e = new gl(l.geometry,this.material);
                e.name = l.name,
                e.position.copy(l.boundingBox.min),
                e.frustumCulled = !1,
                e.onBeforeRender = function(e, t, n, i, r, a) {
                    var o, s;
                    r.program && (e.getContext().useProgram(r.program.program),
                    r.program.getUniforms().map.level && (o = l.getLevel(),
                    r.uniforms.level.value = o,
                    r.program.getUniforms().map.level.setValue(e.getContext(), o)),
                    u.visibleNodeTextureOffsets && r.program.getUniforms().map.vnStart && (s = u.visibleNodeTextureOffsets.get(c),
                    r.uniforms.vnStart.value = s,
                    r.program.getUniforms().map.vnStart.setValue(e.getContext(), s)),
                    r.program.getUniforms().map.pcIndex && (s = c.pcIndex || u.visibleNodes.indexOf(c),
                    r.uniforms.pcIndex.value = s,
                    r.program.getUniforms().map.pcIndex.setValue(e.getContext(), s)))
                }
                ,
                c.geometryNode = l,
                c.sceneNode = e,
                c.pointcloud = this,
                c.children = [];
                for (var n, i = 0; i < 8; i++)
                    c.children[i] = l.children[i];
                t ? (n = parseInt(l.name[l.name.length - 1]),
                t.sceneNode.add(e),
                t.children[n] = c) : (this.root = c,
                this.add(e));
                return l.oneTimeDisposeHandlers.push(function() {
                    var e = parseInt(l.name[l.name.length - 1]);
                    t.sceneNode.remove(c.sceneNode),
                    t.children[e] = l
                }),
                c
            }
        }, {
            key: "buildTexMesh11",
            value: function(D, i) {
                var k = this
                  , r = Date.now();
                if (this.splitSprites || ((e = new Si).name = "splitSprites_" + this.name,
                e.matrixAutoUpdate = !1,
                e.matrix.copy(this.matrix),
                e.matrixWorld.copy(this.matrixWorld),
                this.splitSprites = e,
                viewer.scene.scene.add(e),
                this.areaPlanes = []),
                null == this.texMeshUseLevel || D.level == this.texMeshUseLevel) {
                    var h, e = function() {
                        var M = k.material.spacing / Math.pow(2, D.level);
                        if (3 < M)
                            return {
                                v: void 0
                            };
                        var A = 1.4 * M;
                        null == k.texMeshUseLevel && (k.texMeshUseLevel = D.level,
                        console.log("texMeshUseLevel ", D.level));
                        var e = D.geometry
                          , t = e.attributes.position.count
                          , n = Math.min(t, 6e3)
                          , t = Math.min(5e3, n);
                        console.warn("check points count:", n - t);
                        var a = e.attributes.position.array
                          , o = e.attributes.normal.array
                          , s = (new Cn(0,1,0),
                        new Cn,
                        [])
                          , l = []
                          , T = Math.pow(1.8 * M, 2)
                          , u = Math.cos(gn.degToRad(5))
                          , c = []
                          , S = 0
                          , C = 0
                          , P = new Si;
                        P.name = "sub_splitSprites_" + D.name,
                        P.position.copy(i.position),
                        P.rotation.copy(i.rotation),
                        k.splitSprites.add(P);
                        for (var d = t; d < n; d++)
                            !function() {
                                var i = new Cn(a[3 * d],a[3 * d + 1],a[3 * d + 2])
                                  , r = new Cn(o[3 * d],o[3 * d + 1],o[3 * d + 2]);
                                i.nor = r,
                                i.index = d,
                                s.push(i),
                                l.push(r);
                                var t, e = c.filter(function(e) {
                                    if (!(1e3 < e.length))
                                        return e.some(function(e) {
                                            var t = e.distanceToSquared(i)
                                              , n = e.nor.dot(r);
                                            if (t < T && u < n)
                                                return t / T - e.nor.dot(r) < 0
                                        })
                                });
                                0 == e.length && (h = [],
                                c.push(h),
                                e = [h]),
                                1 == e.length ? i.belongTo = e[0] : 1 < e.length && (t = [],
                                e.forEach(function(e) {
                                    t.push.apply(t, Q(e));
                                    e = c.indexOf(e);
                                    c.splice(e, 1)
                                }),
                                c.push(t),
                                (i.belongTo = t).forEach(function(e) {
                                    e.belongTo = t
                                })),
                                i.belongTo.push(i)
                            }();
                        c.forEach(function(e, n) {
                            if (e.length <= 6)
                                S += e.length;
                            else {
                                C++,
                                e.sort(function(e, t) {
                                    return e.index - t.index
                                }),
                                console.log("开始解析 ".concat(D.name, " - 第").concat(n, "组，总第").concat(e[0].index, "个点，组内有").concat(e.length, "个点"));
                                var i = Om(e, !0);
                                e.forEach(function(e, t) {
                                    t = new Jp({
                                        text: n + "-" + t + " (" + e.index + ")" + D.name,
                                        dontFixOrient: !0,
                                        backgroundColor: {
                                            r: 255 * i.color.r,
                                            g: 255 * i.color.g,
                                            b: 255 * i.color.b,
                                            a: .6
                                        }
                                    });
                                    t.lookAt(e.nor),
                                    t.position.copy(e),
                                    t.scale.set(A / 3, A / 3, A / 3),
                                    P.add(t)
                                });
                                for (var t, r = e.reduce(function(e, t) {
                                    return e.add(t)
                                }, new Cn).multiplyScalar(1 / e.length), a = [], o = e.slice(0).sort(function(e, t) {
                                    return e.distanceToSquared(r) - t.distanceToSquared(r)
                                }), s = o.length, l = (t = 7 <= s ? (n = [.02, .15, .4, .55, .7, .86, .99].map(function(e) {
                                    return Math.round(e * (s - 1))
                                })).map(function(e) {
                                    return o[e]
                                }) : o).length, u = 0; u < l; u++)
                                    for (var c = u + 1; c < l; c++)
                                        for (var d = c + 1; d < l; d++) {
                                            var h = t[u]
                                              , p = t[c]
                                              , f = t[d]
                                              , h = (new Cn).subVectors(h, f)
                                              , f = (new Cn).subVectors(p, f)
                                              , f = h.cross(f).normalize();
                                            a[0] && f.dot(a[0]) < 0 && f.negate(),
                                            console.log("nor", f),
                                            a.push(f)
                                        }
                                var m = a.reduce(function(e, t) {
                                    return e.add(t)
                                }, new Cn).normalize();
                                console.log("aveNor", m, "avePos", r, n);
                                var v = (new ki).setFromNormalAndCoplanarPoint(m, r)
                                  , g = e.map(function(e) {
                                    return v.projectPoint(e, new Cn)
                                })
                                  , m = g[0].clone()
                                  , y = Up.getQuaBetween2Vector(v.normal, new Cn(0,0,1), new Cn(0,0,1))
                                  , w = g.map(function(e) {
                                    return e.clone().applyQuaternion(y)
                                })
                                  , b = y.clone().invert()
                                  , x = [];
                                w.forEach(function(e, t) {
                                    e.id = t;
                                    for (var n = 0; n < t; n++)
                                        e.distanceToSquared(w[n]) < 1.5 * T && x.push({
                                            p1: n,
                                            p2: t
                                        })
                                }),
                                console.log("points count:", w.length, "lines:", x);
                                var E, _, e = kp({
                                    points: w,
                                    lines: x,
                                    onlyGetOutRing: !0,
                                    precision: Math.max(M / 10, .01)
                                });
                                console.log("rings:", e),
                                e && ((E = i.clone()).opacity = .5,
                                (g = w[0].clone()).z = 0,
                                g.applyQuaternion(b),
                                _ = m.clone().sub(g),
                                e.forEach(function(e) {
                                    e = new Hr(Cf.getShapeGeo(e.points),E);
                                    e.quaternion.copy(b),
                                    e.position.copy(_),
                                    e.name = "areaPlane_" + n,
                                    P.add(e),
                                    k.areaPlanes.push(e)
                                }))
                            }
                        }),
                        console.log(D.name, "中:"),
                        console.log("removed point count: ", S),
                        console.log(c),
                        console.log("comebine mesh Len:", C),
                        console.log("computeTime: " + (Date.now() - r))
                    }();
                    if ("object" === X(e))
                        return e.v
                }
            }
        }, {
            key: "buildTexMesh",
            value: function(w, b) {
                var x = this;
                w.level <= 0 && function() {
                    var e = Date.now()
                      , t = new Si;
                    t.name = "splitSprites_" + w.name,
                    t.matrixAutoUpdate = !1,
                    t.matrix.copy(x.matrix),
                    t.matrixWorld.copy(x.matrixWorld),
                    viewer.scene.scene.add(t);
                    var n = new Mr
                      , i = x.material.spacing / Math.pow(2, w.level)
                      , r = 1.4 * i;
                    console.log("spriteWidth:", r);
                    var t = w.geometry
                      , a = t.attributes.position.count
                      , o = t.attributes.position.array
                      , s = t.attributes.normal.array
                      , l = new Cn(0,1,0)
                      , u = new Cn
                      , c = []
                      , d = []
                      , h = []
                      , p = []
                      , f = [new Cn(-1,1,0), new Cn(1,1,0), new Cn(-1,-1,0), new Cn(1,-1,0)]
                      , m = [0, 2, 1, 2, 3, 1];
                    f.forEach(function(e) {
                        return e.multiplyScalar(r / 2)
                    });
                    for (var v, g, i = [], t = 0, y = 0; y < a; y++)
                        g = v = void 0,
                        v = new Cn(o[3 * y],o[3 * y + 1],o[3 * y + 2]),
                        g = new Cn(s[3 * y],s[3 * y + 1],s[3 * y + 2]),
                        v.nor = g,
                        c.push(v),
                        d.push(g);
                    for (y = 0; y < a; y++)
                        (function() {
                            var e = c[y]
                              , t = d[y];
                            if (.2 < Math.abs(t.z))
                                return;
                            var n = (new ni).lookAt(t, u, l);
                            n.elements[12] = e.x,
                            n.elements[13] = e.y,
                            n.elements[14] = e.z,
                            f.forEach(function(e) {
                                e = e.clone();
                                e.applyMatrix4(n),
                                h.push.apply(h, Q(e.toArray()))
                            }),
                            m.forEach(function(e) {
                                p.push(e + 4 * y)
                            })
                        }
                        )();
                    console.log("removed count: ", t),
                    console.log(i),
                    console.log("computeTime: " + (Date.now() - e)),
                    n.setAttribute("position", new dr(new Float32Array(h),3)),
                    n.setIndex(p);
                    e = new Hr(n,Om("use"));
                    e.name = w.name,
                    e.position.copy(b.position),
                    e.rotation.copy(b.rotation),
                    (b.sprites = e).pointsNode = b,
                    0 == w.level && ((n = new Si).name = "spriteNodeRoot",
                    n.matrixAutoUpdate = !1,
                    n.matrix.copy(x.matrix),
                    n.matrixWorld.copy(x.matrixWorld),
                    viewer.scene.scene.add(n),
                    x.spriteNodeRoot = n),
                    x.spriteNodeRoot.add(e),
                    viewer.setObjectLayers(e, "sceneObjects")
                }()
            }
        }, {
            key: "updateVisibleBounds",
            value: function() {
                for (var e = [], t = 0; t < this.visibleNodes.length; t++) {
                    for (var n = this.visibleNodes[t], i = !0, r = 0; r < n.children.length; r++) {
                        var a = n.children[r];
                        a instanceof Nm ? i = i && !a.sceneNode.visible : a instanceof Dm && (i = !0)
                    }
                    i && e.push(n)
                }
                this.visibleBounds.min = new Cn(1 / 0,1 / 0,1 / 0),
                this.visibleBounds.max = new Cn(-1 / 0,-1 / 0,-1 / 0);
                for (var o = 0; o < e.length; o++) {
                    var s = e[o];
                    this.visibleBounds.expandByPoint(s.getBoundingBox().min),
                    this.visibleBounds.expandByPoint(s.getBoundingBox().max)
                }
            }
        }, {
            key: "updateMaterial",
            value: function(e, t, n, i, r) {
                e.fov = n.fov * (Math.PI / 180),
                e.resolution = r,
                e.near = n.near,
                e.far = n.far,
                e.uniforms.octreeSize.value = this.pcoGeometry.boundingBox.getSize(new Cn).x
            }
        }, {
            key: "computeVisibilityTextureData",
            value: function(e, t) {
                Potree.measureTimings && performance.mark("computeVisibilityTextureData-start");
                var n = new Uint8Array(4 * e.length)
                  , i = new Map;
                (e = e.slice()).sort(function(e, t) {
                    e = e.geometryNode.name,
                    t = t.geometryNode.name;
                    return e.length !== t.length ? e.length - t.length : e < t ? -1 : t < e ? 1 : 0
                });
                new Cn;
                for (var r = new Map, a = new Array(e.length).fill(1 / 0), o = 0; o < e.length; o++) {
                    var s, l, u = e[o];
                    r.set(u.name, u),
                    i.set(u, o),
                    0 < o && (s = parseInt(u.name.slice(-1)),
                    l = u.name.slice(0, -1),
                    l = r.get(l),
                    a[l = i.get(l)] = Math.min(a[l], o - l),
                    n[4 * l + 0] = n[4 * l + 0] | 1 << s,
                    n[4 * l + 1] = a[l] >> 8,
                    n[4 * l + 2] = a[l] % 256);
                    var u = u.geometryNode.density;
                    "number" == typeof u ? (u = Math.log2(u) / 2 - 1.5,
                    n[4 * o + 3] = 10 * (10 + u)) : n[4 * o + 3] = 100
                }
                return Potree.measureTimings && (performance.mark("computeVisibilityTextureData-end"),
                performance.measure("render.computeVisibilityTextureData", "computeVisibilityTextureData-start", "computeVisibilityTextureData-end")),
                {
                    data: n,
                    offsets: i
                }
            }
        }, {
            key: "nodeIntersectsProfile",
            value: function(e, t) {
                for (var n = e.boundingBox.clone().applyMatrix4(this.matrixWorld).getBoundingSphere(new qn), i = !1, r = 0; r < t.points.length - 1; r++)
                    var a = new Cn(t.points[r + 0].x,t.points[r + 0].y,n.center.z)
                      , o = new Cn(t.points[r + 1].x,t.points[r + 1].y,n.center.z)
                      , o = new vh(a,o).closestPointToPoint(n.center, !0, new Cn).distanceTo(n.center)
                      , i = i || o < n.radius + t.width;
                return i
            }
        }, {
            key: "deepestNodeAt",
            value: function(e) {
                for (var t = this.matrixWorld.clone().invert(), n = e.clone().applyMatrix4(t), i = this.root; ; ) {
                    var r, a = null, o = ue(i.children);
                    try {
                        for (o.s(); !(r = o.n()).done; ) {
                            var s = r.value;
                            void 0 !== s && s.getBoundingBox().containsPoint(n) && (a = s)
                        }
                    } catch (e) {
                        o.e(e)
                    } finally {
                        o.f()
                    }
                    if (!(null !== a && a instanceof Nm))
                        break;
                    i = a
                }
                return i
            }
        }, {
            key: "nodesOnRay",
            value: function(e, t) {
                for (var n = [], i = t.clone(), r = 0; r < e.length; r++) {
                    var a = e[r]
                      , o = a.getBoundingSphere().clone().applyMatrix4(this.matrixWorld);
                    i.intersectsSphere(o) && n.push(a)
                }
                return n
            }
        }, {
            key: "updateMatrixWorld",
            value: function(e) {
                !0 === this.matrixAutoUpdate && this.updateMatrix(),
                !0 !== this.matrixWorldNeedsUpdate && !0 !== e || (this.parent ? this.matrixWorld.multiplyMatrices(this.parent.matrixWorld, this.matrix) : this.matrixWorld.copy(this.matrix),
                this.matrixWorldNeedsUpdate = !1)
            }
        }, {
            key: "hideDescendants",
            value: function(e) {
                for (var t = [], n = 0; n < e.children.length; n++) {
                    var i = e.children[n];
                    i.visible && t.push(i)
                }
                for (; 0 < t.length; ) {
                    var r = t.shift();
                    r.visible = !1;
                    for (var a = 0; a < r.children.length; a++) {
                        var o = r.children[a];
                        o.visible && t.push(o)
                    }
                }
            }
        }, {
            key: "moveToOrigin",
            value: function() {
                this.position.set(0, 0, 0),
                this.updateMatrixWorld(!0);
                var e = this.boundingBox
                  , t = this.matrixWorld
                  , t = Jf.computeTransformedBoundingBox(e, t);
                this.position.set(0, 0, 0).sub(t.getCenter(new Cn))
            }
        }, {
            key: "moveToGroundPlane",
            value: function() {
                this.updateMatrixWorld(!0);
                var e = this.boundingBox
                  , t = this.matrixWorld
                  , t = Jf.computeTransformedBoundingBox(e, t);
                this.position.y += -t.min.y
            }
        }, {
            key: "getBoundingBoxWorld",
            value: function() {
                this.updateMatrixWorld(!0);
                var e = this.boundingBox
                  , t = this.matrixWorld;
                return Jf.computeTransformedBoundingBox(e, t)
            }
        }, {
            key: "getPointsInProfile",
            value: function(e, t, n) {
                if (n) {
                    n = new Potree.ProfileRequest(this,e,t,n);
                    return this.profileRequests.push(n),
                    n
                }
                for (var i = {
                    segments: [],
                    boundingBox: new kn,
                    projectedBoundingBox: new ph
                }, r = 0; r < e.points.length - 1; r++) {
                    var a = e.points[r]
                      , o = e.points[r + 1]
                      , s = this.getProfile(a, o, e.width, t);
                    i.segments.push({
                        start: a,
                        end: o,
                        points: s,
                        project: null
                    }),
                    i.boundingBox.expandByPoint(s.boundingBox.min),
                    i.boundingBox.expandByPoint(s.boundingBox.max)
                }
                for (var l = new Cn, u = 0; u < i.segments.length; u++) {
                    var c = i.segments[u]
                      , d = c.start
                      , h = c.end
                      , p = function(e, t, n, i) {
                        var r = e
                          , t = t
                          , a = n
                          , o = i
                          , i = new Cn(1,0,0)
                          , t = (new Cn).subVectors(t, r);
                        t.y = 0,
                        t.normalize();
                        var s = Math.acos(i.dot(t));
                        return 0 < t.z && (s = -s),
                        function(e) {
                            var t = (new ni).makeTranslation(-r.x, -o.min.y, -r.z)
                              , n = (new ni).makeRotationY(-s)
                              , i = (new ni).makeTranslation(a.x, 0, 0)
                              , e = e.clone();
                            return e.applyMatrix4(t),
                            e.applyMatrix4(n),
                            e.applyMatrix4(i),
                            e
                        }
                    }(d, h, l.clone(), i.boundingBox.clone());
                    c.project = p,
                    l.x += new Cn(d.x,0,d.z).distanceTo(new Cn(h.x,0,h.z)),
                    l.y += h.y - d.y
                }
                return i.projectedBoundingBox.min.x = 0,
                i.projectedBoundingBox.min.y = i.boundingBox.min.y,
                i.projectedBoundingBox.max.x = l.x,
                i.projectedBoundingBox.max.y = i.boundingBox.max.y,
                i
            }
        }, {
            key: "getProfile",
            value: function(e, t, n, i, r) {
                r = new Potree.ProfileRequest(e,t,n,i,r);
                this.profileRequests.push(r)
            }
        }, {
            key: "getVisibleExtent",
            value: function() {
                return this.visibleBounds.applyMatrix4(this.matrixWorld)
            }
        }, {
            key: "intersectsPoint",
            value: function(e) {
                if (!(this.pcoGeometry.root && this.pcoGeometry.root.geometry))
                    return !1;
                if (void 0 === this.signedDistanceField) {
                    for (var t = new Float32Array(Math.pow(32, 3)).fill(1 / 0), n = this.pcoGeometry.root.geometry.attributes.position, i = this.boundingBox, r = n.count, a = 0; a < r; a += 3) {
                        var o = n.array[3 * a + 0]
                          , s = n.array[3 * a + 1]
                          , l = n.array[3 * a + 2];
                        t[parseInt(Math.min(o / i.max.x * 32, 31)) + 32 * parseInt(Math.min(s / i.max.y * 32, 31)) + 32 * parseInt(Math.min(l / i.max.z * 32, 31)) * 32] = 0
                    }
                    this.signedDistanceField = {
                        resolution: 32,
                        field: t
                    }
                }
                var u = this.signedDistanceField
                  , c = this.boundingBox
                  , d = this.matrixWorld.clone().invert()
                  , h = e.clone().applyMatrix4(d)
                  , p = u.resolution
                  , e = parseInt(p * (h.x / c.max.x))
                  , d = parseInt(p * (h.y / c.max.y))
                  , c = parseInt(p * (h.z / c.max.z));
                return !(e < 0 || d < 0 || c < 0) && (!(p <= e || p <= d || p <= c) && 0 === u.field[e + d * p + c * p * p])
            }
        }, {
            key: "pick",
            value: function(e, t, n, i) {
                var r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : {}
                  , a = e.renderer
                  , o = e.pRenderer;
                performance.mark("pick-start");
                function s(e, t) {
                    return null != e ? e : t
                }
                var l = gn.clamp(Math.round(80 * (1.1 - this.maxLevel / this.nodeMaxLevel)), 5, 100)
                  , u = s(r.pickWindowSize, l)
                  , c = (s(r.pickOutsideClipRegion, !1),
                t ? t.resolution : a.getSize(new yn))
                  , e = Math.ceil(s(r.width, c.width))
                  , l = Math.ceil(s(r.height, c.height))
                  , t = s(r.pointSizeType, this.material.pointSizeType)
                  , c = s(r.pointSize, this.material.size)
                  , d = this.nodesOnRay(this.visibleNodes, i);
                if (0 === d.length)
                    return null;
                this.pickState || (f = new gs,
                (p = new Potree.PointCloudMaterial).activeAttributeName = "indices",
                h = new An(1,1,{
                    minFilter: Oe,
                    magFilter: Re,
                    format: et
                }),
                this.pickState = {
                    renderTarget: h,
                    material: p,
                    scene: f
                });
                var h = this.pickState
                  , p = h.material;
                p.pointSizeType = t,
                p.shape = Potree.PointShape.PARABOLOID,
                p.uniforms.uFilterReturnNumberRange.value = this.material.uniforms.uFilterReturnNumberRange.value,
                p.uniforms.uFilterNumberOfReturnsRange.value = this.material.uniforms.uFilterNumberOfReturnsRange.value,
                p.uniforms.uFilterGPSTimeClipRange.value = this.material.uniforms.uFilterGPSTimeClipRange.value,
                p.uniforms.uFilterPointSourceIDClipRange.value = this.material.uniforms.uFilterPointSourceIDClipRange.value,
                p.activeAttributeName = "indices",
                p.size = c,
                p.uniforms.minSize.value = this.material.uniforms.minSize.value,
                p.uniforms.maxSize.value = this.material.uniforms.maxSize.value,
                p.classification = this.material.classification,
                p.recomputeClassification(),
                r.pickClipped ? (p.clipBoxes = this.material.clipBoxes,
                p.uniforms.clipBoxes = this.material.uniforms.clipBoxes,
                this.material.clipTask === Potree.ClipTask.HIGHLIGHT ? p.clipTask = Potree.ClipTask.NONE : p.clipTask = this.material.clipTask,
                p.clipMethod = this.material.clipMethod) : p.clipBoxes = [],
                this.updateMaterial(p, d, n, a, new yn(e,l)),
                h.renderTarget.setSize(e, l);
                var f = new yn(r.x,r.y)
                  , t = a.getContext();
                t.enable(t.SCISSOR_TEST),
                t.scissor(parseInt(f.x - (u - 1) / 2), parseInt(f.y - (u - 1) / 2), parseInt(u), parseInt(u)),
                a.state.buffers.depth.setTest(p.depthTest),
                a.state.buffers.depth.setMask(p.depthWrite),
                a.state.setBlending(Z),
                a.setRenderTarget(h.renderTarget),
                t.clearColor(0, 0, 0, 0),
                a.clear(!0, !0, !0);
                c = this.material;
                this.material = p,
                o.renderOctree(this, d, n, h.renderTarget),
                window.testScreen && (h = Potree.Utils.renderTargetToDataUrl(h.renderTarget, e, l, a),
                Fm.downloadFile(h, "screenshot.jpg"),
                window.testScreen = 0),
                this.material = c;
                function m(e, t, n) {
                    return Math.min(Math.max(t, e), n)
                }
                e = parseInt(m(f.x - (u - 1) / 2, 0, e)),
                f = parseInt(m(f.y - (u - 1) / 2, 0, l)),
                l = new Uint8Array(4 * (u * u));
                t.readPixels(e, f, u, u, t.RGBA, t.UNSIGNED_BYTE, l),
                a.setRenderTarget(null),
                a.state.reset(),
                a.setScissorTest(!1),
                t.disable(t.SCISSOR_TEST);
                for (var v = l, g = new Uint32Array(l.buffer), y = (Number.MAX_VALUE,
                []), w = 0; w < u; w++)
                    for (var b = 0; b < u; b++) {
                        var x = w + b * u
                          , E = Math.pow(w - (u - 1) / 2, 2) + Math.pow(b - (u - 1) / 2, 2)
                          , _ = v[4 * x + 3];
                        v[4 * x + 3] = 0;
                        x = g[x];
                        0 === _ && 0 === x || void 0 === _ || void 0 === x || (_ = {
                            pIndex: x,
                            pcIndex: _,
                            distanceToCenter: E
                        },
                        !r.all && 0 < y.length ? E < y[0].distanceToCenter && (y[0] = _) : y.push(_))
                    }
                for (var M = 0, A = y; M < A.length; M++) {
                    var T = A[M]
                      , S = {};
                    if (!d[T.pcIndex])
                        return null;
                    var C, P = d[T.pcIndex], D = P.sceneNode, k = P.geometryNode.geometry;
                    for (C in k.attributes) {
                        var B, L, R, F, I = k.attributes[C];
                        "position" === C ? (B = I.array[3 * T.pIndex + 0],
                        L = I.array[3 * T.pIndex + 1],
                        R = I.array[3 * T.pIndex + 2],
                        (R = new Cn(B,L,R)).applyMatrix4(D.matrixWorld),
                        S[C] = R) : "indices" === C || (F = I.array.slice(I.itemSize * T.pIndex, I.itemSize * (T.pIndex + 1)),
                        I.potree && function() {
                            var e = I.potree
                              , t = e.scale
                              , n = e.offset;
                            F = F.map(function(e) {
                                return e / t + n
                            })
                        }(),
                        S[C] = F)
                    }
                    T.point = S
                }
                return performance.mark("pick-end"),
                performance.measure("pick", "pick-start", "pick-end"),
                r.all ? y.map(function(e) {
                    return e.point
                }) : 0 === y.length ? null : y[0].point
            }
        }, {
            key: "getFittedBoxGen",
            value: regeneratorRuntime.mark(function e(t) {
                var n, i, r, a, o, s, l, u, c, d, h, p, f, m, v, g, y;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            n = performance.now(),
                            i = new kn,
                            r = t.matrixWorld.clone().invert(),
                            a = ue(this.visibleNodes),
                            e.prev = 4,
                            a.s();
                        case 6:
                            if ((g = a.n()).done) {
                                e.next = 21;
                                break
                            }
                            if ((o = g.value).sceneNode) {
                                e.next = 10;
                                break
                            }
                            return e.abrupt("continue", 19);
                        case 10:
                            for (s = o.geometryNode.buffer,
                            l = s.offset("position"),
                            u = s.stride,
                            c = new DataView(s.data),
                            d = (new ni).multiplyMatrices(r, o.sceneNode.matrixWorld),
                            h = new Mn,
                            p = 0; p < s.numElements; p++)
                                f = c.getFloat32(p * u + l + 0, !0),
                                m = c.getFloat32(p * u + l + 4, !0),
                                v = c.getFloat32(p * u + l + 8, !0),
                                h.set(f, m, v, 1),
                                h.applyMatrix4(d),
                                -.5 < h.x && h.x < .5 && -.5 < h.y && h.y < .5 && -.5 < h.z && h.z < .5 && i.expandByPoint(h);
                            return void (e.next = 19);
                        case 19:
                            e.next = 6;
                            break;
                        case 21:
                            e.next = 26;
                            break;
                        case 23:
                            e.prev = 23,
                            e.t0 = e.catch(4),
                            a.e(e.t0);
                        case 26:
                            return e.prev = 26,
                            a.f(),
                            e.finish(26);
                        case 29:
                            return y = i.getCenter(new Cn).applyMatrix4(t.matrixWorld),
                            (g = new Si).position.copy(y),
                            g.scale.copy(t.scale),
                            g.rotation.copy(t.rotation),
                            y = (new Cn).subVectors(i.max, i.min),
                            g.scale.multiply(y),
                            y = performance.now() - n,
                            console.log("duration: ", y),
                            e.next = 40,
                            g;
                        case 40:
                        case "end":
                            return e.stop()
                        }
                }, e, this, [[4, 23, 26, 29]])
            })
        }, {
            key: "getFittedBox",
            value: function(e) {
                var t, n = performance.now(), i = new kn, r = e.matrixWorld.clone().invert(), a = ue(this.visibleNodes);
                try {
                    for (a.s(); !(t = a.n()).done; ) {
                        var o = t.value;
                        if (o.sceneNode && !(o.getLevel() > 1 / 0))
                            for (var s = o.geometryNode.buffer, l = s.offset("position"), u = s.stride, c = new DataView(s.data), d = (new ni).multiplyMatrices(r, o.sceneNode.matrixWorld), h = new Mn, p = 0; p < s.numElements; p++) {
                                var f = c.getFloat32(p * u + l + 0, !0)
                                  , m = c.getFloat32(p * u + l + 4, !0)
                                  , v = c.getFloat32(p * u + l + 8, !0);
                                h.set(f, m, v, 1),
                                h.applyMatrix4(d),
                                -.5 < h.x && h.x < .5 && -.5 < h.y && h.y < .5 && -.5 < h.z && h.z < .5 && i.expandByPoint(h)
                            }
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
                var g = i.getCenter(new Cn).applyMatrix4(e.matrixWorld)
                  , y = new Si;
                y.position.copy(g),
                y.scale.copy(e.scale),
                y.rotation.copy(e.rotation);
                e = (new Cn).subVectors(i.max, i.min);
                y.scale.multiply(e);
                n = performance.now() - n;
                return console.log("duration: ", n),
                y
            }
        }, {
            key: "progress",
            get: function() {
                return this.visibleNodes.length / this.visibleGeometry.length
            }
        }, {
            key: "find",
            value: function(e) {
                var t, n = null, i = ue(e);
                try {
                    for (i.s(); !(t = i.n()).done; )
                        var r = t.value
                          , n = "r" === r ? this.root : n.children[r]
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
                return n
            }
        }, {
            key: "visible",
            get: function() {
                return this._visible
            },
            set: function(e) {
                e !== this._visible && (this._visible = e,
                this.dispatchEvent({
                    type: "visibility_changed",
                    pointcloud: this
                }))
            }
        }, {
            key: "changePointSize",
            value: function(e, t) {
                if (this.material.pointSizeType != am.ATTENUATED)
                    return e && (this.material.size = e);
                var n;
                null == e ? e = this.temp.pointSize : this.temp.pointSize = e,
                e /= Potree.config.material.realPointSize / Potree.config.material.pointSize,
                e = 6 * Math.pow(e, 1.05),
                t || Potree.settings.sizeFitToLevel ? (n = this.temp.pointSize + ":" + this.maxLevel + ":" + this.nodeMaxLevel,
                (t = this.temp.sizeFitToLevel[n]) ? this.material.size = t : (t = this.material.spacing / Math.pow(2, this.maxLevel),
                t *= 0 < this.nodeMaxLevel ? Math.max(.1, Math.pow(this.maxLevel / this.nodeMaxLevel, 1.3)) : .1,
                this.material.size = 3 * t * e,
                this.temp.sizeFitToLevel[n] = this.material.size)) : this.material.size = .035 * e
            }
        }, {
            key: "changePointOpacity",
            value: function(e, t) {
                var n, i, r, a;
                null == e ? e = this.temp.pointOpacity : this.temp.pointOpacity = e,
                1 == e ? this.material.opacity = 1 : (n = (Potree.settings.sizeFitToLevel ? "sizeFit:" : "") + (t ? "canMoreThanOne:" : "") + this.temp.pointOpacity + ":" + this.maxLevel + ":" + this.nodeMaxLevel,
                (i = this.temp.opacity[n]) ? this.material.opacity = i : (Potree.settings.sizeFitToLevel ? (r = this.material.spacing / Math.pow(1.4, this.maxLevel),
                a = this.material.spacing / Math.pow(1.4, this.nodeMaxLevel),
                a = Math.min(1 / r, 1 / a / 3),
                this.material.opacity = r * a * e) : (r = this.material.spacing / Math.pow(1.8, this.maxLevel),
                a = this.material.spacing / Math.pow(1.8, this.nodeMaxLevel),
                a = Math.min(1 / r, 1 / a / 6),
                this.material.opacity = r * a * e),
                t || (this.material.opacity = gn.clamp(this.material.opacity, 0, .999)),
                this.temp.opacity[n] = this.material.opacity))
            }
        }, {
            key: "updateBound",
            value: function() {
                var e = this.pcoGeometry.tightBoundingBox.clone().applyMatrix4(this.matrixWorld);
                this.bound = e
            }
        }, {
            key: "getPanosBound",
            value: function() {
                var e;
                0 < this.panos.length ? (e = new Cn(1,1,1),
                this.panosBound = Up.getBoundByPoints(this.panos.map(function(e) {
                    return e.position
                }), e)) : this.panosBound = null
            }
        }, {
            key: "getUnrotBoundPoint",
            value: function(e) {
                var t = this
                  , n = this.pcoGeometry.tightBoundingBox;
                return "all" == e ? [new Cn(n.min.x,n.min.y,n.min.z), new Cn(n.max.x,n.min.y,n.min.z), new Cn(n.max.x,n.max.y,n.min.z), new Cn(n.min.x,n.max.y,n.min.z), new Cn(n.min.x,n.min.y,n.max.z), new Cn(n.max.x,n.min.y,n.max.z), new Cn(n.max.x,n.max.y,n.max.z), new Cn(n.min.x,n.max.y,n.max.z)].map(function(e) {
                    return e.applyMatrix4(t.matrixWorld)
                }) : [new Cn(n.min.x,n.min.y,0), new Cn(n.max.x,n.min.y,0), new Cn(n.max.x,n.max.y,0), new Cn(n.min.x,n.max.y,0)].map(function(e) {
                    return e.applyMatrix4(t.matrixWorld)
                })
            }
        }, {
            key: "ifContainsPoint",
            value: function(e) {
                if (this.bound && this.bound.containsPoint(e)) {
                    var t = this.getUnrotBoundPoint();
                    return Up.isPointInArea(t, null, e)
                }
            }
        }, {
            key: "getVolume",
            value: function() {
                var e = this.getUnrotBoundPoint();
                return Math.abs(Up.getArea(e)) * (this.bound.max.z - this.bound.min.z)
            }
        }]),
        u
    }()
      , Gm = function() {
        function e() {
            O(this, e),
            this.boundingBox = new kn,
            this.numPoints = 0,
            this.data = {}
        }
        return h(e, [{
            key: "add",
            value: function(e) {
                var t, n = this.numPoints, i = n + e.numPoints, r = Object.keys(this.data), a = Object.keys(e.data), o = ue(new Set([].concat(Q(r), Q(a))));
                try {
                    for (o.s(); !(t = o.n()).done; ) {
                        var s, l, u, c, d, h = t.value;
                        r.includes(h) && a.includes(h) ? ((s = new this.data[h].constructor(this.data[h].length + e.data[h].length)).set(this.data[h], 0),
                        s.set(e.data[h], this.data[h].length),
                        this.data[h] = s) : r.includes(h) && !a.includes(h) ? (l = this.data[h].length / this.numPoints,
                        (u = new this.data[h].constructor(l * i)).set(this.data[h], 0),
                        this.data[h] = u) : !r.includes(h) && a.includes(h) && (c = e.data[h].length / e.numPoints,
                        (d = new e.data[h].constructor(c * i)).set(e.data[h], c * n),
                        this.data[h] = d)
                    }
                } catch (e) {
                    o.e(e)
                } finally {
                    o.f()
                }
                this.numPoints = i,
                this.boundingBox.union(e.boundingBox)
            }
        }]),
        e
    }()
      , Hm = function() {
        y(a, cl);
        var r = w(a);
        function a(e, t) {
            O(this, a),
            void 0 === t && (t = 16776960);
            var n = new Uint16Array([0, 1, 1, 2, 2, 3, 3, 0, 4, 5, 5, 6, 6, 7, 7, 4, 0, 4, 1, 5, 2, 6, 3, 7])
              , i = new Float32Array([e.min.x, e.min.y, e.min.z, e.max.x, e.min.y, e.min.z, e.max.x, e.min.y, e.max.z, e.min.x, e.min.y, e.max.z, e.min.x, e.max.y, e.min.z, e.max.x, e.max.y, e.min.z, e.max.x, e.max.y, e.max.z, e.min.x, e.max.y, e.max.z])
              , e = new Mr;
            e.setIndex(new nr(n,1)),
            e.setAttribute("position", new nr(i,3));
            t = new tl({
                color: t
            });
            return r.call(this, e, t)
        }
        return h(a)
    }();
    function Vm(e, t, n) {
        for (var i = [], r = [], a = new BinaryHeap(function(e) {
            return 1 / e.weight
        }
        ), o = 0; o < e.length; o++) {
            var s = e[o];
            if (s.initialized()) {
                s.numVisibleNodes = 0,
                s.numVisiblePoints = 0,
                s.deepestVisibleLevel = 0,
                s.visibleNodes = [],
                s.visibleGeometry = [],
                t.updateMatrixWorld();
                var l = new oa
                  , u = t.matrixWorldInverse
                  , c = s.matrixWorld
                  , d = t.clone();
                d.near = Math.min(t.near, .1),
                d.updateProjectionMatrix();
                d = t.projectionMatrix,
                u = (new ni).multiply(d).multiply(u).multiply(c);
                l.setFromProjectionMatrix(u),
                i.push(l);
                l = t.matrixWorld,
                c = c.clone().invert(),
                l = (new ni).multiply(c).multiply(l),
                l = (new Cn).setFromMatrixPosition(l);
                r.push(l),
                (s.visible || s.unvisibleReasons && 1 == s.unvisibleReasons.length && "displayMode" == s.unvisibleReasons[0].reason && null !== s.root) && a.push({
                    pointcloud: o,
                    node: s.root,
                    weight: Number.MAX_VALUE
                }),
                s.root.isTreeNode() && s.hideDescendants(s.root.sceneNode);
                for (var h = 0; h < s.boundingBoxNodes.length; h++)
                    s.boundingBoxNodes[h].visible = !1
            }
        }
        return {
            frustums: i,
            camObjPositions: r,
            priorityQueue: a
        }
    }
    function jm(r, e, t) {
        var n = 0
          , i = new Map(r.map(function(e) {
            return [e, 0]
        }))
          , a = []
          , o = []
          , s = []
          , l = 1 / 0
          , u = Vm(r, e)
          , c = u.frustums
          , d = u.camObjPositions
          , h = u.priorityQueue
          , p = 0
          , f = (t.x,
        t.y);
        Potree._pointcloudTransformVersion || (Potree._pointcloudTransformVersion = new Map);
        var m, v = Potree._pointcloudTransformVersion, g = ue(r);
        try {
            for (g.s(); !(m = g.n()).done; ) {
                var y, w = m.value;
                viewer.getObjVisiByReason(w, "datasetSelection") && (w.updateMatrixWorld(),
                v.has(w) ? (y = v.get(w)).transform.equals(w.matrixWorld) || (y.number++,
                y.transform.copy(w.matrixWorld),
                w.dispatchEvent({
                    type: "transformation_changed",
                    target: w
                })) : v.set(w, {
                    number: 0,
                    transform: w.matrixWorld.clone()
                }))
            }
        } catch (e) {
            g.e(e)
        } finally {
            g.f()
        }
        for (; 0 < h.size(); ) {
            var b = h.pop()
              , x = b.node
              , E = b.parent
              , _ = r[b.pointcloud]
              , M = x.getBoundingBox()
              , A = c[b.pointcloud]
              , T = d[b.pointcloud]
              , S = A.intersectsBox(M)
              , C = null == _.maxLevel ? 1 / 0 : _.maxLevel
              , A = x.getLevel()
              , S = S;
            S = (S = (S = S && !(n + x.getNumPoints() > Potree.pointBudget)) && !(i.get(_) + x.getNumPoints() > _.pointBudget)) && A <= C;
            C = _.material.clipBoxes;
            if (0 < C.length) {
                var P, D = 0, k = 0, B = ue(C);
                try {
                    for (B.s(); !(P = B.n()).done; ) {
                        var L = P.value
                          , R = _.matrixWorld.clone().invert()
                          , F = (R.multiply(L.box.matrixWorld),
                        new Cn(.5,0,0).applyMatrix4(R))
                          , I = new Cn(-.5,0,0).applyMatrix4(R)
                          , O = new Cn(0,.5,0).applyMatrix4(R)
                          , z = new Cn(0,-.5,0).applyMatrix4(R)
                          , N = new Cn(0,0,.5).applyMatrix4(R)
                          , U = new Cn(0,0,-.5).applyMatrix4(R)
                          , G = (new Cn).subVectors(I, F).normalize()
                          , H = G.clone().multiplyScalar(-1)
                          , V = (new Cn).subVectors(z, O).normalize()
                          , j = V.clone().multiplyScalar(-1)
                          , W = (new Cn).subVectors(U, N).normalize()
                          , X = W.clone().multiplyScalar(-1)
                          , q = (new ki).setFromNormalAndCoplanarPoint(G, F)
                          , J = (new ki).setFromNormalAndCoplanarPoint(H, I)
                          , Y = (new ki).setFromNormalAndCoplanarPoint(V, O)
                          , Z = (new ki).setFromNormalAndCoplanarPoint(j, z)
                          , Q = (new ki).setFromNormalAndCoplanarPoint(W, N)
                          , K = (new ki).setFromNormalAndCoplanarPoint(X, U);
                        new oa(q,J,Y,Z,Q,K).intersectsBox(M) && D++,
                        k++
                    }
                } catch (e) {
                    B.e(e)
                } finally {
                    B.f()
                }
                _.material.clipTask === tm.SHOW_INSIDE ? _.material.clipMethod === nm.INSIDE_ANY && 0 < D || _.material.clipMethod === nm.INSIDE_ALL && D === k || (S = !1) : (_.material.clipTask,
                tm.SHOW_OUTSIDE)
            }
            if (x.spacing ? l = Math.min(l, x.spacing) : x.geometryNode && x.geometryNode.spacing && (l = Math.min(l, x.geometryNode.spacing)),
            n + x.getNumPoints() > Potree.pointBudget)
                break;
            if (S) {
                n += x.getNumPoints();
                S = i.get(_);
                i.set(_, S + x.getNumPoints()),
                _.numVisibleNodes++,
                _.numVisiblePoints += x.getNumPoints(),
                !x.isGeometryNode() || E && !E.isTreeNode() || (x.isLoaded() && p < 2 ? (x = _.toTreeNode(x, E),
                p++) : (s.push({
                    pointcloud: _,
                    node: x
                }),
                o.push(x))),
                x.isTreeNode() && (le.lru.touch(x.geometryNode),
                x.sceneNode.visible = !0,
                x.sceneNode.material = _.material,
                a.push(x),
                _.visibleNodes.push(x),
                void 0 === x._transformVersion && (x._transformVersion = -1),
                E = v.get(_),
                x._transformVersion !== E.number && (x.sceneNode.updateMatrix(),
                x.sceneNode.matrixWorld.multiplyMatrices(_.matrixWorld, x.sceneNode.matrix),
                x._transformVersion = E.number),
                _.showBoundingBox && !x.boundingBoxNode && x.getBoundingBox ? ((E = new Hm(x.getBoundingBox())).matrixAutoUpdate = !1,
                _.boundingBoxNodes.push(E),
                x.boundingBoxNode = E,
                x.boundingBoxNode.matrix.copy(_.matrixWorld)) : _.showBoundingBox ? (x.boundingBoxNode.visible = !0,
                x.boundingBoxNode.matrix.copy(_.matrixWorld)) : !_.showBoundingBox && x.boundingBoxNode && (x.boundingBoxNode.visible = !1));
                for (var $ = x.getChildren(), ee = 0; ee < $.length; ee++) {
                    var te = $[ee]
                      , ne = 0;
                    if (e.isPerspectiveCamera) {
                        var ie = te.getBoundingSphere()
                          , re = ie.center
                          , ae = T.x - re.x
                          , oe = T.y - re.y
                          , re = T.z - re.z
                          , oe = Math.sqrt(ae * ae + oe * oe + re * re)
                          , re = ie.radius
                          , ie = e.fov * Math.PI / 180
                          , ie = re * (.5 * f / (Math.tan(ie / 2) * oe));
                        if (ie < _.minimumNodePixelSize)
                            continue;
                        ne = ie,
                        oe - re < 0 && (ne = Number.MAX_VALUE)
                    } else
                        re = te.getBoundingBox(),
                        ne = (te.getBoundingSphere().center.distanceTo(T),
                        re.max.clone().sub(re.min).length());
                    h.push({
                        pointcloud: b.pointcloud,
                        node: te,
                        parent: x,
                        weight: ne
                    })
                }
            }
        }
        !function() {
            var e, t = ue(r.filter(function(e) {
                return e.generateDEM && e.dem instanceof Potree.DEM
            }));
            try {
                for (t.s(); !(e = t.n()).done; ) {
                    var n = e.value
                      , i = n.visibleNodes.filter(function(e) {
                        return e.getLevel() <= 4
                    });
                    n.dem.update(i)
                }
            } catch (e) {
                t.e(e)
            } finally {
                t.f()
            }
        }();
        for (var se = 0; se < Math.min(Potree.maxNodesLoading, s.length); se++)
            s[se].node.load(s[se].pointcloud.pcoGeometry);
        return {
            visibleNodes: a,
            numVisiblePoints: n,
            lowestSpacing: l
        }
    }
    function Wm(e, t) {
        var n;
        if (t === ke)
            return e.REPEAT;
        if (t === Be)
            return e.CLAMP_TO_EDGE;
        if (t === Le)
            return e.MIRRORED_REPEAT;
        if (t === Re)
            return e.NEAREST;
        if (1004 === t)
            return e.NEAREST_MIPMAP_NEAREST;
        if (1005 === t)
            return e.NEAREST_MIPMAP_LINEAR;
        if (t === Oe)
            return e.LINEAR;
        if (1007 === t)
            return e.LINEAR_MIPMAP_NEAREST;
        if (t === G)
            return e.LINEAR_MIPMAP_LINEAR;
        if (t === Ue)
            return e.UNSIGNED_BYTE;
        if (t === Je)
            return e.UNSIGNED_SHORT_4_4_4_4;
        if (t === Ye)
            return e.UNSIGNED_SHORT_5_5_5_1;
        if (t === Ze)
            return e.UNSIGNED_SHORT_5_6_5;
        if (t === Ge)
            return e.BYTE;
        if (t === He)
            return e.SHORT;
        if (t === Ve)
            return e.UNSIGNED_SHORT;
        if (t === je)
            return e.INT;
        if (t === We)
            return e.UNSIGNED_INT;
        if (t === Xe)
            return e.FLOAT;
        if (t === qe && null !== (n = extensions.get("OES_texture_half_float")))
            return n.HALF_FLOAT_OES;
        if (t === Ke)
            return e.ALPHA;
        if (t === $e)
            return e.RGB;
        if (t === et)
            return e.RGBA;
        if (t === tt)
            return e.LUMINANCE;
        if (t === nt)
            return e.LUMINANCE_ALPHA;
        if (t === rt)
            return e.DEPTH_COMPONENT;
        if (t === at)
            return e.DEPTH_STENCIL;
        if (t === re)
            return e.FUNC_ADD;
        if (t === ae)
            return e.FUNC_SUBTRACT;
        if (t === oe)
            return e.FUNC_REVERSE_SUBTRACT;
        if (t === de)
            return e.ZERO;
        if (t === he)
            return e.ONE;
        if (t === pe)
            return e.SRC_COLOR;
        if (t === fe)
            return e.ONE_MINUS_SRC_COLOR;
        if (t === me)
            return e.SRC_ALPHA;
        if (t === ve)
            return e.ONE_MINUS_SRC_ALPHA;
        if (t === ge)
            return e.DST_ALPHA;
        if (t === ye)
            return e.ONE_MINUS_DST_ALPHA;
        if (t === we)
            return e.DST_COLOR;
        if (t === be)
            return e.ONE_MINUS_DST_COLOR;
        if (t === xe)
            return e.SRC_ALPHA_SATURATE;
        if ((t === ht || t === RGBA_S3TC_DXT1_Format || t === ft || t === RGBA_S3TC_DXT5_Format) && null !== (n = extensions.get("WEBGL_compressed_texture_s3tc"))) {
            if (t === ht)
                return n.COMPRESSED_RGB_S3TC_DXT1_EXT;
            if (t === pt)
                return n.COMPRESSED_RGBA_S3TC_DXT1_EXT;
            if (t === ft)
                return n.COMPRESSED_RGBA_S3TC_DXT3_EXT;
            if (t === mt)
                return n.COMPRESSED_RGBA_S3TC_DXT5_EXT
        }
        if ((t === vt || t === gt || t === yt || t === wt) && null !== (n = extensions.get("WEBGL_compressed_texture_pvrtc"))) {
            if (t === vt)
                return n.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;
            if (t === gt)
                return n.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;
            if (t === yt)
                return n.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;
            if (t === wt)
                return n.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
        }
        if (t === bt && null !== (n = extensions.get("WEBGL_compressed_texture_etc1")))
            return n.COMPRESSED_RGB_ETC1_WEBGL;
        if ((t === se || t === ce) && null !== (n = extensions.get("EXT_blend_minmax"))) {
            if (t === se)
                return n.MIN_EXT;
            if (t === ce)
                return n.MAX_EXT
        }
        return t === UnsignedInt248Type && null !== (n = extensions.get("WEBGL_depth_texture")) ? n.UNSIGNED_INT_24_8_WEBGL : 0
    }
    var Xm = {
        position: {
            name: "position",
            location: 0
        },
        color: {
            name: "color",
            location: 1
        },
        rgba: {
            name: "color",
            location: 1
        },
        intensity: {
            name: "intensity",
            location: 2
        },
        classification: {
            name: "classification",
            location: 3
        },
        returnNumber: {
            name: "returnNumber",
            location: 4
        },
        "return number": {
            name: "returnNumber",
            location: 4
        },
        returns: {
            name: "returnNumber",
            location: 4
        },
        numberOfReturns: {
            name: "numberOfReturns",
            location: 5
        },
        "number of returns": {
            name: "numberOfReturns",
            location: 5
        },
        pointSourceID: {
            name: "pointSourceID",
            location: 6
        },
        "source id": {
            name: "pointSourceID",
            location: 6
        },
        "point source id": {
            name: "pointSourceID",
            location: 6
        },
        indices: {
            name: "indices",
            location: 7
        },
        normal: {
            name: "normal",
            location: 8
        },
        spacing: {
            name: "spacing",
            location: 9
        },
        "gps-time": {
            name: "gpsTime",
            location: 10
        },
        aExtra: {
            name: "aExtra",
            location: 11
        }
    }
      , qm = function() {
        function r(e, t, n, i) {
            O(this, r),
            this.gl = e,
            this.name = t,
            this.vsSource = n,
            this.fsSource = i,
            this.cache = new Map,
            this.vs = null,
            this.fs = null,
            this.program = null,
            this.uniformLocations = {},
            this.attributeLocations = {},
            this.uniformBlockIndices = {},
            this.uniformBlocks = {},
            this.uniforms = {},
            this.update(n, i)
        }
        return h(r, [{
            key: "update",
            value: function(e, t) {
                this.vsSource = e,
                this.fsSource = t,
                this.linkProgram()
            }
        }, {
            key: "compileShader",
            value: function(e, t) {
                var n = this.gl;
                if (n.shaderSource(e, t),
                n.compileShader(e),
                !n.getShaderParameter(e, n.COMPILE_STATUS)) {
                    e = n.getShaderInfoLog(e),
                    t = t.split("\n").map(function(e, t) {
                        return "".concat(t + 1).padEnd(5) + e
                    }).join("\n");
                    throw "could not compile shader ".concat(this.name, ": ").concat(e, ", \n").concat(t)
                }
            }
        }, {
            key: "linkProgram",
            value: function() {
                performance.now();
                var e = this.gl;
                this.uniformLocations = {},
                this.attributeLocations = {},
                this.uniforms = {},
                e.useProgram(null);
                var t = this.cache.get("".concat(this.vsSource, ", ").concat(this.fsSource));
                if (t)
                    return this.program = t.program,
                    this.vs = t.vs,
                    this.fs = t.fs,
                    this.attributeLocations = t.attributeLocations,
                    this.uniformLocations = t.uniformLocations,
                    this.uniformBlocks = t.uniformBlocks,
                    void (this.uniforms = t.uniforms);
                if (this.vs = e.createShader(e.VERTEX_SHADER),
                this.fs = e.createShader(e.FRAGMENT_SHADER),
                this.program = e.createProgram(),
                !e.isProgram(this.program))
                    return viewer.dispatchEvent("webglError", {
                        msg: "potreeRenderer创建program失败"
                    }),
                    console.log(this.vs),
                    void console.log(this.fs);
                for (var n = 0, i = Object.keys(Xm); n < i.length; n++) {
                    var r = i[n]
                      , a = Xm[r].location
                      , r = Xm[r].name;
                    e.bindAttribLocation(this.program, a, r)
                }
                this.compileShader(this.vs, this.vsSource),
                this.compileShader(this.fs, this.fsSource);
                var o = this.program;
                if (e.attachShader(o, this.vs),
                e.attachShader(o, this.fs),
                e.linkProgram(o),
                e.detachShader(o, this.vs),
                e.detachShader(o, this.fs),
                !e.getProgramParameter(o, e.LINK_STATUS)) {
                    var s = e.getProgramInfoLog(o);
                    throw "could not link program ".concat(this.name, ": ").concat(s)
                }
                for (var l = e.getProgramParameter(o, e.ACTIVE_ATTRIBUTES), u = 0; u < l; u++) {
                    var c = e.getActiveAttrib(o, u)
                      , d = e.getAttribLocation(o, c.name);
                    this.attributeLocations[c.name] = d
                }
                for (var h = e.getProgramParameter(o, e.ACTIVE_UNIFORMS), p = 0; p < h; p++) {
                    var f = e.getActiveUniform(o, p)
                      , m = e.getUniformLocation(o, f.name);
                    this.uniformLocations[f.name] = m,
                    this.uniforms[f.name] = {
                        location: m,
                        value: null
                    }
                }
                if ("undefined" != typeof WebGL2RenderingContext && e instanceof WebGL2RenderingContext)
                    for (var v = e.getProgramParameter(o, e.ACTIVE_UNIFORM_BLOCKS), g = 0; g < v; g++) {
                        var y = e.getActiveUniformBlockName(o, g)
                          , w = e.getUniformBlockIndex(o, y);
                        this.uniformBlockIndices[y] = w,
                        e.uniformBlockBinding(o, w, w);
                        var b = e.getActiveUniformBlockParameter(o, w, e.UNIFORM_BLOCK_DATA_SIZE)
                          , x = e.createBuffer();
                        e.bindBuffer(e.UNIFORM_BUFFER, x),
                        e.bufferData(e.UNIFORM_BUFFER, b, e.DYNAMIC_READ),
                        e.bindBufferBase(e.UNIFORM_BUFFER, w, x),
                        e.bindBuffer(e.UNIFORM_BUFFER, null),
                        this.uniformBlocks[y] = {
                            name: y,
                            index: w,
                            dataSize: b,
                            buffer: x
                        }
                    }
                s = {
                    program: this.program,
                    vs: this.vs,
                    fs: this.fs,
                    attributeLocations: this.attributeLocations,
                    uniformLocations: this.uniformLocations,
                    uniforms: this.uniforms,
                    uniformBlocks: this.uniformBlocks
                };
                this.cache.set("".concat(this.vsSource, ", ").concat(this.fsSource), s);
                performance.now()
            }
        }, {
            key: "setUniformMatrix4",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniformLocations[e];
                null != e && (t = new Float32Array(t.elements),
                n.uniformMatrix4fv(e, !1, t))
            }
        }, {
            key: "setUniform1f",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniforms[e];
                void 0 !== e && e.value !== t && (e.value = t,
                n.uniform1f(e.location, t))
            }
        }, {
            key: "setUniformBoolean",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniforms[e];
                void 0 !== e && e.value !== t && (e.value = t,
                n.uniform1i(e.location, t))
            }
        }, {
            key: "setUniformTexture",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniformLocations[e];
                null != e && n.uniform1i(e, t)
            }
        }, {
            key: "setUniform2f",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniformLocations[e];
                null != e && n.uniform2f(e, t[0], t[1])
            }
        }, {
            key: "setUniform3f",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniformLocations[e];
                null != e && n.uniform3f(e, t[0], t[1], t[2])
            }
        }, {
            key: "setUniform",
            value: function(e, t) {
                t.constructor === ni ? this.setUniformMatrix4(e, t) : "number" == typeof t ? this.setUniform1f(e, t) : "boolean" == typeof t ? this.setUniformBoolean(e, t) : t instanceof Jm ? this.setUniformTexture(e, t) : t instanceof Array ? 2 === t.length ? this.setUniform2f(e, t) : 3 === t.length && this.setUniform3f(e, t) : console.error("unhandled uniform type: ", e, t)
            }
        }, {
            key: "setUniform1i",
            value: function(e, t) {
                var n = this.gl
                  , e = this.uniformLocations[e];
                null != e && n.uniform1i(e, t)
            }
        }]),
        r
    }()
      , Jm = function() {
        function n(e, t) {
            O(this, n),
            this.gl = e,
            this.texture = t,
            this.id = e.createTexture(),
            this.target = e.TEXTURE_2D,
            this.version = -1,
            this.update(t)
        }
        return h(n, [{
            key: "update",
            value: function() {
                var e, t, n, i, r, a, o, s;
                this.texture.image ? (e = this.gl,
                t = this.texture,
                this.version !== t.version && (this.target = e.TEXTURE_2D,
                e.bindTexture(this.target, this.id),
                n = Wm(e, t.format),
                i = t.image.width,
                r = t.image.height,
                a = n,
                o = Wm(e, t.type),
                e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL, t.flipY),
                e.pixelStorei(e.UNPACK_PREMULTIPLY_ALPHA_WEBGL, t.premultiplyAlpha),
                e.pixelStorei(e.UNPACK_ALIGNMENT, t.unpackAlignment),
                t instanceof ia ? (s = t.image.data,
                e.texParameteri(this.target, e.TEXTURE_WRAP_S, e.CLAMP_TO_EDGE),
                e.texParameteri(this.target, e.TEXTURE_WRAP_T, e.CLAMP_TO_EDGE),
                e.texParameteri(this.target, e.TEXTURE_MAG_FILTER, Wm(e, t.magFilter)),
                e.texParameteri(this.target, e.TEXTURE_MIN_FILTER, Wm(e, t.minFilter)),
                e.texImage2D(this.target, 0, n, i, r, 0, a, o, s)) : (t instanceof xl || t instanceof En) && (s = t.image,
                e.texParameteri(this.target, e.TEXTURE_WRAP_S, Wm(e, t.wrapS)),
                e.texParameteri(this.target, e.TEXTURE_WRAP_T, Wm(e, t.wrapT)),
                e.texParameteri(this.target, e.TEXTURE_MAG_FILTER, Wm(e, t.magFilter)),
                e.texParameteri(this.target, e.TEXTURE_MIN_FILTER, Wm(e, t.minFilter)),
                e.texImage2D(this.target, 0, n, n, o, s),
                t instanceof En && e.generateMipmap(e.TEXTURE_2D)),
                e.bindTexture(this.target, null),
                this.version = t.version)) : this.version = this.texture.version
            }
        }]),
        n
    }()
      , Ym = h(function e() {
        O(this, e),
        this.numElements = 0,
        this.vao = null,
        this.vbos = new Map
    })
      , Zm = function() {
        function t(e) {
            O(this, t),
            this.threeRenderer = e,
            this.gl = this.threeRenderer.getContext(),
            this.buffers = new Map,
            this.shaders = new Map,
            this.textures = new Map,
            this.glTypeMapping = new Map,
            this.glTypeMapping.set(Float32Array, this.gl.FLOAT),
            this.glTypeMapping.set(Uint8Array, this.gl.UNSIGNED_BYTE),
            this.glTypeMapping.set(Uint16Array, this.gl.UNSIGNED_SHORT),
            this.toggle = 0
        }
        return h(t, [{
            key: "deleteBuffer",
            value: function(e) {
                var t = this.gl
                  , n = this.buffers.get(e);
                if (null != n) {
                    for (var i in e.attributes)
                        t.deleteBuffer(n.vbos.get(i).handle);
                    this.buffers.delete(e)
                }
            }
        }, {
            key: "createBuffer",
            value: function(n) {
                var e, i = this, t = this.gl, r = new Ym;
                for (e in r.vao = t.createVertexArray(),
                r.numElements = n.attributes.position.count,
                t.bindVertexArray(r.vao),
                n.attributes) {
                    var a = n.attributes[e]
                      , o = t.createBuffer();
                    t.bindBuffer(t.ARRAY_BUFFER, o),
                    t.bufferData(t.ARRAY_BUFFER, a.array, t.STATIC_DRAW);
                    var s, l = a.normalized, u = this.glTypeMapping.get(a.array.constructor);
                    void 0 === Xm[e] || (s = Xm[e].location,
                    t.vertexAttribPointer(s, a.itemSize, u, l, 0, 0),
                    t.enableVertexAttribArray(s)),
                    r.vbos.set(e, {
                        handle: o,
                        name: e,
                        count: a.count,
                        itemSize: a.itemSize,
                        type: n.attributes.position.array.constructor,
                        version: 0
                    })
                }
                return t.bindBuffer(t.ARRAY_BUFFER, null),
                t.bindVertexArray(null),
                n.addEventListener("dispose", function e(t) {
                    i.deleteBuffer(n),
                    n.removeEventListener("dispose", e)
                }),
                r
            }
        }, {
            key: "updateBuffer",
            value: function(e) {
                var t, n = this.gl, i = this.buffers.get(e);
                for (t in n.bindVertexArray(i.vao),
                e.attributes) {
                    var r = e.attributes[t]
                      , a = r.normalized
                      , o = this.glTypeMapping.get(r.array.constructor)
                      , s = null;
                    i.vbos.has(t) ? (s = i.vbos.get(t).handle,
                    i.vbos.get(t).version = r.version) : (s = n.createBuffer(),
                    i.vbos.set(t, {
                        handle: s,
                        name: t,
                        count: r.count,
                        itemSize: r.itemSize,
                        type: e.attributes.position.array.constructor,
                        version: r.version
                    })),
                    n.bindBuffer(n.ARRAY_BUFFER, s),
                    n.bufferData(n.ARRAY_BUFFER, r.array, n.STATIC_DRAW),
                    void 0 === Xm[t] || (s = Xm[t].location,
                    n.vertexAttribPointer(s, r.itemSize, o, a, 0, 0),
                    n.enableVertexAttribArray(s))
                }
                n.bindBuffer(n.ARRAY_BUFFER, null),
                n.bindVertexArray(null)
            }
        }, {
            key: "traverse",
            value: function(e) {
                for (var t = [], n = [e]; 0 < n.length; ) {
                    var i = n.pop();
                    i instanceof xm ? t.push(i) : (i = i.children.filter(function(e) {
                        return e.visible
                    }),
                    n.push.apply(n, Q(i)))
                }
                return {
                    octrees: t
                }
            }
        }, {
            key: "renderNodes",
            value: function(N, e, U, t, n, G, i) {
                var H = this;
                le.measureTimings && performance.mark("renderNodes-start");
                var V = this.gl
                  , j = i.material || N.material
                  , W = null == i.shadowMaps ? [] : i.shadowMaps
                  , X = t.matrixWorldInverse;
                i.viewOverride && (X = i.viewOverride);
                var q, J = new ni, Y = new Float32Array(16), Z = 0, r = ue(e);
                try {
                    for (r.s(); !(q = r.n()).done; )
                        (function() {
                            var e = q.value;
                            if (void 0 !== le.debug.allowedNodes && !le.debug.allowedNodes.includes(e.name))
                                return;
                            var t = e.sceneNode.matrixWorld;
                            J.multiplyMatrices(X, t),
                            U && (r = U.offsets.get(e),
                            G.setUniform1f("uVNStart", r));
                            var n = e.getLevel();
                            e.debug ? G.setUniform("uDebug", !0) : G.setUniform("uDebug", !1);
                            var i = G.uniformLocations.modelMatrix;
                            i && (Y.set(t.elements),
                            V.uniformMatrix4fv(i, !1, Y));
                            for (var r = G.uniformLocations.modelViewMatrix, a = 0; a < 16; a++)
                                Y[a] = J.elements[a];
                            if (V.uniformMatrix4fv(r, !1, Y),
                            j.clipPolygons && 0 < j.clipPolygons.length) {
                                var o, s = [], l = [], u = ue(j.clipPolygons);
                                try {
                                    for (u.s(); !(o = u.n()).done; ) {
                                        var c = o.value
                                          , d = c.viewMatrix
                                          , h = c.projMatrix.clone().multiply(d).multiply(t);
                                        s.push(c.markers.length),
                                        l.push(h)
                                    }
                                } catch (e) {
                                    u.e(e)
                                } finally {
                                    u.f()
                                }
                                for (var r = (i = []).concat.apply(i, Q(l.map(function(e) {
                                    return e.elements
                                }))), p = new Array(24 * j.clipPolygons.length), f = 0; f < j.clipPolygons.length; f++)
                                    for (var m = j.clipPolygons[f], v = 0; v < m.markers.length; v++)
                                        p[24 * f + (3 * v + 0)] = m.markers[v].position.x,
                                        p[24 * f + (3 * v + 1)] = m.markers[v].position.y,
                                        p[24 * f + (3 * v + 2)] = m.markers[v].position.z;
                                i = G.uniformLocations["uClipPolygonVCount[0]"];
                                V.uniform1iv(i, s);
                                i = G.uniformLocations["uClipPolygonWVP[0]"];
                                V.uniformMatrix4fv(i, !1, r);
                                r = G.uniformLocations["uClipPolygonVertices[0]"];
                                V.uniform3fv(r, p)
                            }
                            if (G.setUniform1f("uLevel", n),
                            G.setUniform1f("uNodeSpacing", e.geometryNode.estimatedSpacing),
                            G.setUniform1f("uPCIndex", Z),
                            0 < W.length) {
                                var g = G.uniformLocations["uShadowMap[0]"];
                                G.setUniform3f("uShadowColor", j.uniforms.uShadowColor.value);
                                var y = new Array(W.length).fill(5).map(function(e, t) {
                                    return e + t
                                });
                                V.uniform1iv(g, y);
                                for (var w = 0; w < W.length; w++) {
                                    var b = W[w]
                                      , x = y[w]
                                      , b = H.threeRenderer.properties.get(b.target.texture).__webglTexture;
                                    V.activeTexture(V["TEXTURE".concat(x)]),
                                    V.bindTexture(V.TEXTURE_2D, b)
                                }
                                var n = W.map(function(e) {
                                    return e.camera.matrixWorldInverse
                                }).map(function(e) {
                                    return (new ni).multiplyMatrices(e, t)
                                })
                                  , g = (g = []).concat.apply(g, Q(n.map(function(e) {
                                    return e.elements
                                })))
                                  , n = G.uniformLocations["uShadowWorldView[0]"];
                                V.uniformMatrix4fv(n, !1, g);
                                g = (n = []).concat.apply(n, Q(W.map(function(e) {
                                    return e.camera.projectionMatrix.elements
                                }))),
                                n = G.uniformLocations["uShadowProj[0]"];
                                V.uniformMatrix4fv(n, !1, g)
                            }
                            var E = e.geometryNode.geometry;
                            E.attributes["gps-time"] && (E.attributes["gps-time"],
                            g = (A = (e = (g = N.getAttribute("gps-time")).initialRange)[1] - e[0]) / (M = (_ = g.range)[1] - _[0]),
                            A = -(_[0] - e[0]) / A,
                            g = Number.isNaN(g) ? 1 : g,
                            A = Number.isNaN(A) ? 0 : A,
                            G.setUniform1f("uGpsScale", g),
                            G.setUniform1f("uGpsOffset", A),
                            A = [((A = j.uniforms.uFilterGPSTimeClipRange.value)[0] - _[0]) / M, (A[1] - _[0]) / M],
                            G.setUniform2f("uFilterGPSTimeClipRange", A));
                            var _ = j.uniforms.uFilterReturnNumberRange.value
                              , M = j.uniforms.uFilterNumberOfReturnsRange.value
                              , A = j.uniforms.uFilterPointSourceIDClipRange.value;
                            G.setUniform2f("uFilterReturnNumberRange", _),
                            G.setUniform2f("uFilterNumberOfReturnsRange", M),
                            G.setUniform2f("uFilterPointSourceIDClipRange", A);
                            var T = null;
                            if (H.buffers.has(E))
                                for (var S in T = H.buffers.get(E),
                                E.attributes)
                                    E.attributes[S].version > T.vbos.get(S).version && H.updateBuffer(E);
                            else
                                T = H.createBuffer(E),
                                H.buffers.set(E, T);
                            if (V.bindVertexArray(T.vao),
                            void 0 === Xm[j.activeAttributeName] && Object.keys(E.attributes).includes(j.activeAttributeName)) {
                                var C, P = Xm.aExtra.location;
                                for (C in E.attributes) {
                                    E.attributes[C];
                                    var D = T.vbos.get(C);
                                    V.bindBuffer(V.ARRAY_BUFFER, D.handle),
                                    V.disableVertexAttribArray(P)
                                }
                                var k = j.activeAttributeName
                                  , M = E.attributes[k]
                                  , A = T.vbos.get(k);
                                void 0 !== M && void 0 !== A && (B = H.glTypeMapping.get(M.array.constructor),
                                L = M.normalized,
                                V.bindBuffer(V.ARRAY_BUFFER, A.handle),
                                V.vertexAttribPointer(P, M.itemSize, B, L, 0, 0),
                                V.enableVertexAttribArray(P));
                                var A = N.pcoGeometry.pointAttributes.attributes.find(function(e) {
                                    return e.name === k
                                })
                                  , M = (M = j.getRange(k)) || A.range
                                  , B = A.initialRange
                                  , L = B[1] - B[0]
                                  , A = M = M || [0, 1]
                                  , M = L / (A[1] - A[0])
                                  , L = -(A[0] - B[0]) / L
                                  , M = Number.isNaN(M) ? 1 : M
                                  , L = Number.isNaN(L) ? 0 : L;
                                G.setUniform1f("uExtraScale", M),
                                G.setUniform1f("uExtraOffset", L)
                            } else
                                for (var R in E.attributes) {
                                    var F, I, O = E.attributes[R], z = T.vbos.get(R);
                                    void 0 !== Xm[R] && (F = Xm[R].location,
                                    I = H.glTypeMapping.get(O.array.constructor),
                                    R = O.normalized,
                                    V.bindBuffer(V.ARRAY_BUFFER, z.handle),
                                    V.vertexAttribPointer(F, O.itemSize, I, R, 0, 0),
                                    V.enableVertexAttribArray(F))
                                }
                            L = T.numElements;
                            V.drawArrays(V.POINTS, 0, L),
                            Z++
                        }
                        )()
                } catch (e) {
                    r.e(e)
                } finally {
                    r.f()
                }
                V.bindVertexArray(null),
                le.measureTimings && (performance.mark("renderNodes-end"),
                performance.measure("render.renderNodes", "renderNodes-start", "renderNodes-end"))
            }
        }, {
            key: "renderOctree",
            value: function(e, t, n, i) {
                var r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : {}
                  , a = this.gl
                  , o = r.material || e.material
                  , s = null == r.shadowMaps ? [] : r.shadowMaps
                  , l = n.matrixWorldInverse
                  , u = n.matrixWorld;
                r.viewOverride && (u = (l = r.viewOverride).clone().invert());
                var c = n.projectionMatrix
                  , d = c.clone().invert()
                  , h = null
                  , p = null
                  , f = 0;
                0 <= o.pointSizeType && (o.pointSizeType !== am.ADAPTIVE && "level of detail" !== o.activeAttributeName || (g = null != r.vnTextureNodes ? r.vnTextureNodes : t,
                p = e.computeVisibilityTextureData(g, n),
                (y = o.visibleNodesTexture).image.data.set(p.data),
                y.needsUpdate = !0)),
                this.shaders.has(o) || (w = [o.vertexShader, o.fragmentShader],
                b = new qm(a,"pointcloud",w[0],w[1]),
                this.shaders.set(o, b));
                var h = this.shaders.get(o)
                  , m = [o.vertexShader, o.fragmentShader]
                  , v = m[0]
                  , g = m[1]
                  , y = o.snapEnabled ? o.numSnapshots : 0
                  , w = o.clipBoxes && o.clipBoxes.length ? o.clipBoxes.length : 0
                  , b = r.clipSpheres && r.clipSpheres.length ? r.clipSpheres.length : 0
                  , m = o.clipPolygons && o.clipPolygons.length ? o.clipPolygons.length : 0
                  , b = ["#define num_shadowmaps ".concat(s.length), "#define num_snapshots ".concat(y), "#define num_clipboxes ".concat(w), "#define num_clipspheres ".concat(b), "#define num_clippolygons ".concat(m)];
                o.usePanoMap && b.push("#define usePanoMap"),
                o.useFilterByNormal && b.push("#define use_filter_by_normal"),
                e.pcoGeometry.root.isLoaded() && ((x = e.pcoGeometry.root.geometry.attributes)["gps-time"] && b.push("#define clip_gps_enabled"),
                x["return number"] && b.push("#define clip_return_number_enabled"),
                x["number of returns"] && b.push("#define clip_number_of_returns_enabled"),
                (x["source id"] || x["point source id"]) && b.push("#define clip_point_source_id_enabled"));
                var m = b.join("\n")
                  , x = v.indexOf("#version ")
                  , b = g.indexOf("#version ")
                  , v = 0 <= x ? v.replace(/(#version .*)/, "$1\n".concat(m)) : "".concat(m, "\n").concat(v)
                  , g = 0 <= b ? g.replace(/(#version .*)/, "$1\n".concat(m)) : "".concat(m, "\n").concat(g);
                h.update(v, g),
                o.needsUpdate = !1;
                for (var E = 0, _ = Object.keys(o.uniforms); E < _.length; E++) {
                    var M = _[E]
                      , A = o.uniforms[M];
                    "t" != A.type || (A = A.value) && "pano0Map" != M && "pano1Map" != M && (this.textures.has(A) || (M = new Jm(a,A),
                    this.textures.set(A, M)),
                    this.textures.get(A).update())
                }
                a.useProgram(h.program);
                if ((void 0 !== r.transparent ? r.transparent && o.opacity < 1 : !o.usePanoMap && (o.useFilterByNormal || o.opacity < 1)) ? (a.enable(a.BLEND),
                a.blendFunc(a.SRC_ALPHA, a.ONE),
                a.depthMask(!1),
                a.disable(a.DEPTH_TEST)) : (a.disable(a.BLEND),
                a.depthMask(!0),
                a.enable(a.DEPTH_TEST)),
                void 0 !== r.blendFunc && (a.enable(a.BLEND),
                a.blendFunc.apply(a, Q(r.blendFunc))),
                void 0 !== r.depthTest && (!0 === r.depthTest ? a.enable(a.DEPTH_TEST) : a.disable(a.DEPTH_TEST)),
                void 0 !== r.depthWrite && (!0 === r.depthWrite ? a.depthMask(!0) : a.depthMask(!1)),
                h.setUniformMatrix4("projectionMatrix", c),
                h.setUniformMatrix4("viewMatrix", l),
                h.setUniformMatrix4("uViewInv", u),
                h.setUniformMatrix4("uProjInv", d),
                h.setUniform2f("resolution", o.resolution.toArray()),
                h.setUniform1f("fov", Math.PI * n.fov / 180),
                h.setUniform1f("near", n.near),
                h.setUniform1f("far", n.far),
                n instanceof ed ? (h.setUniform("uUseOrthographicCamera", !0),
                h.setUniform("uOrthoWidth", n.right - n.left),
                h.setUniform("uOrthoHeight", n.top - n.bottom)) : h.setUniform("uUseOrthographicCamera", !1),
                o.clipBoxes.length + o.clipPolygons.length === 0 ? h.setUniform1i("clipTask", tm.NONE) : h.setUniform1i("clipTask", o.clipTask),
                h.setUniform1i("clipMethod", o.clipMethod),
                o.clipBoxes && 0 < o.clipBoxes.length && (d = h.uniformLocations["clipBoxes[0]"],
                a.uniformMatrix4fv(d, !1, o.uniforms.clipBoxes.value)),
                r.clipSpheres && 0 < r.clipSpheres.length) {
                    var T, S = [], C = ue(r.clipSpheres);
                    try {
                        for (C.s(); !(T = C.n()).done; ) {
                            var P = T.value.matrixWorld
                              , D = n.matrixWorld
                              , k = P.clone().invert()
                              , B = (new ni).multiplyMatrices(k, D);
                            S.push(B)
                        }
                    } catch (e) {
                        C.e(e)
                    } finally {
                        C.f()
                    }
                    var L = (R = []).concat.apply(R, Q(S.map(function(e) {
                        return e.elements
                    })))
                      , R = h.uniformLocations["uClipSpheres[0]"];
                    a.uniformMatrix4fv(R, !1, L)
                }
                h.setUniform1f("size", o.usePanoMap ? Potree.config.material.absolutePanoramaSize * Math.min(window.devicePixelRatio, 2) : o.size),
                h.setUniform1f("maxSize", o.uniforms.maxSize.value),
                h.setUniform1f("minSize", o.uniforms.minSize.value),
                h.setUniform1f("uOctreeSpacing", o.spacing),
                h.setUniform("uOctreeSize", o.uniforms.octreeSize.value),
                h.setUniform3f("uColor", o.color.toArray()),
                h.setUniform1f("uOpacity", o.usePanoMap ? 1 : o.opacity),
                h.setUniform2f("elevationRange", o.elevationRange),
                h.setUniform2f("intensityRange", o.intensityRange),
                h.setUniform3f("uIntensity_gbc", [o.intensityGamma, o.intensityBrightness, o.intensityContrast]),
                h.setUniform3f("uRGB_gbc", [o.rgbGamma, o.rgbBrightness, o.rgbContrast]),
                h.setUniform1f("uTransition", o.transition),
                h.setUniform1f("wRGB", o.weightRGB),
                h.setUniform1f("wIntensity", o.weightIntensity),
                h.setUniform1f("wElevation", o.weightElevation),
                h.setUniform1f("wClassification", o.weightClassification),
                h.setUniform1f("wReturnNumber", o.weightReturnNumber),
                h.setUniform1f("wSourceID", o.weightSourceID),
                h.setUniform("backfaceCulling", o.uniforms.backfaceCulling.value);
                R = this.textures.get(o.visibleNodesTexture);
                R && (h.setUniform1i("visibleNodesTexture", f),
                a.activeTexture(a.TEXTURE0 + f),
                a.bindTexture(R.target, R.id),
                f++);
                L = this.textures.get(o.gradientTexture);
                h.setUniform1i("gradient", f),
                a.activeTexture(a.TEXTURE0 + f),
                a.bindTexture(L.target, L.id);
                R = o.elevationGradientRepeat;
                R === im.REPEAT ? (a.texParameteri(L.target, a.TEXTURE_WRAP_S, a.REPEAT),
                a.texParameteri(L.target, a.TEXTURE_WRAP_T, a.REPEAT)) : R === im.MIRRORED_REPEAT ? (a.texParameteri(L.target, a.TEXTURE_WRAP_S, a.MIRRORED_REPEAT),
                a.texParameteri(L.target, a.TEXTURE_WRAP_T, a.MIRRORED_REPEAT)) : (a.texParameteri(L.target, a.TEXTURE_WRAP_S, a.CLAMP_TO_EDGE),
                a.texParameteri(L.target, a.TEXTURE_WRAP_T, a.CLAMP_TO_EDGE)),
                f++;
                R = this.textures.get(o.classificationTexture);
                h.setUniform1i("classificationLUT", f),
                a.activeTexture(a.TEXTURE0 + f),
                a.bindTexture(R.target, R.id),
                f++;
                L = this.textures.get(o.matcapTexture);
                if (h.setUniform1i("matcapTextureUniform", f),
                a.activeTexture(a.TEXTURE0 + f),
                a.bindTexture(L.target, L.id),
                f++,
                !0 === o.snapEnabled) {
                    var R = h.uniformLocations["uSnapshot[0]"]
                      , F = h.uniformLocations["uSnapshotDepth[0]"]
                      , L = f
                      , I = new Array(5).fill(L).map(function(e, t) {
                        return e + t
                    })
                      , O = new Array(5).fill(1 + Math.max.apply(Math, Q(I))).map(function(e, t) {
                        return e + t
                    })
                      , f = 1 + Math.max.apply(Math, Q(O));
                    a.uniform1iv(R, I),
                    a.uniform1iv(F, O);
                    for (var z = 0; z < 5; z++) {
                        var N = o.uniforms.uSnapshot.value[z]
                          , U = o.uniforms.uSnapshotDepth.value[z];
                        if (!N)
                            break;
                        var G = this.threeRenderer.properties.get(N).__webglTexture
                          , H = this.threeRenderer.properties.get(U).__webglTexture
                          , N = I[z]
                          , U = O[z];
                        a.activeTexture(a["TEXTURE".concat(N)]),
                        a.bindTexture(a.TEXTURE_2D, G),
                        a.activeTexture(a["TEXTURE".concat(U)]),
                        a.bindTexture(a.TEXTURE_2D, H)
                    }
                    var F = (R = []).concat.apply(R, Q(o.uniforms.uSnapView.value.map(function(e) {
                        return e.elements
                    })))
                      , R = h.uniformLocations["uSnapView[0]"];
                    a.uniformMatrix4fv(R, !1, F);
                    var F = (R = []).concat.apply(R, Q(o.uniforms.uSnapProj.value.map(function(e) {
                        return e.elements
                    })))
                      , R = h.uniformLocations["uSnapProj[0]"];
                    a.uniformMatrix4fv(R, !1, F);
                    F = (R = []).concat.apply(R, Q(o.uniforms.uSnapProjInv.value.map(function(e) {
                        return e.elements
                    }))),
                    R = h.uniformLocations["uSnapProjInv[0]"];
                    a.uniformMatrix4fv(R, !1, F);
                    F = (R = []).concat.apply(R, Q(o.uniforms.uSnapViewInv.value.map(function(e) {
                        return e.elements
                    }))),
                    R = h.uniformLocations["uSnapViewInv[0]"];
                    a.uniformMatrix4fv(R, !1, F)
                }
                o.usePanoMap && (h.setUniform1f("progress", o.uniforms.progress.value),
                h.setUniform1f("easeInOutRatio", o.uniforms.easeInOutRatio.value),
                h.setUniform3f("pano0Position", o.uniforms.pano0Position.value.toArray()),
                h.setUniform3f("pano1Position", o.uniforms.pano1Position.value.toArray()),
                h.setUniform("pano0Matrix", o.uniforms.pano0Matrix.value),
                h.setUniform("pano1Matrix", o.uniforms.pano1Matrix.value),
                (F = o.uniforms.pano0Map.value) && (this.threeRenderer._textures.safeSetTextureCube(F, ++f),
                h.setUniform1i("pano0Map", f)),
                (F = o.uniforms.pano1Map.value) && (this.threeRenderer._textures.safeSetTextureCube(F, ++f),
                h.setUniform1i("pano1Map", f))),
                this.renderNodes(e, t, p, n, i, h, r),
                a.activeTexture(a.TEXTURE2),
                a.bindTexture(a.TEXTURE_2D, null),
                a.activeTexture(a.TEXTURE0),
                a.disable(a.BLEND),
                a.depthMask(!0),
                a.enable(a.DEPTH_TEST)
            }
        }, {
            key: "render",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : null
                  , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : {}
                  , r = this.gl;
                null != n && this.threeRenderer.setRenderTarget(n);
                var a, o = ue(this.traverse(e).octrees);
                try {
                    for (o.s(); !(a = o.n()).done; ) {
                        var s = a.value
                          , l = s.visibleNodes;
                        this.renderOctree(s, l, t, n, i)
                    }
                } catch (e) {
                    o.e(e)
                } finally {
                    o.f()
                }
                r.activeTexture(r.TEXTURE1),
                r.bindTexture(r.TEXTURE_2D, null),
                r.bindBuffer(r.ARRAY_BUFFER, null),
                r.bindVertexArray(null),
                this.threeRenderer.resetState()
            }
        }]),
        t
    }()
      , Qm = function() {
        function u(e) {
            O(this, u),
            this.profile = e,
            this.segments = [],
            this.boundingBox = new kn;
            for (var t = 0; t < e.points.length - 1; t++) {
                var n = e.points[t]
                  , i = e.points[t + 1]
                  , r = new Cn(n.x,n.y,0)
                  , a = new Cn(i.x,i.y,0)
                  , o = (new Cn).addVectors(a, r).multiplyScalar(.5)
                  , s = r.distanceTo(a)
                  , l = (new Cn).subVectors(a, r).normalize()
                  , a = new Cn(0,0,1)
                  , a = (new Cn).crossVectors(l, a).normalize()
                  , s = {
                    start: n,
                    end: i,
                    cutPlane: (new ki).setFromNormalAndCoplanarPoint(a, r),
                    halfPlane: (new ki).setFromNormalAndCoplanarPoint(l, o),
                    length: s,
                    points: new Gm
                };
                this.segments.push(s)
            }
        }
        return h(u, [{
            key: "size",
            value: function() {
                var e, t = 0, n = ue(this.segments);
                try {
                    for (n.s(); !(e = n.n()).done; )
                        t += e.value.points.numPoints
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                return t
            }
        }]),
        u
    }()
      , _h = function() {
        function r(e, t, n, i) {
            O(this, r),
            this.pointcloud = e,
            this.profile = t,
            this.maxDepth = n || Number.MAX_VALUE,
            this.callback = i,
            this.temporaryResult = new Qm(this.profile),
            this.pointsServed = 0,
            this.highestLevelServed = 0,
            this.priorityQueue = new BinaryHeap(function(e) {
                return 1 / e.weight
            }
            ),
            this.initialize()
        }
        return h(r, [{
            key: "initialize",
            value: function() {
                this.priorityQueue.push({
                    node: this.pointcloud.pcoGeometry.root,
                    weight: 1 / 0
                })
            }
        }, {
            key: "traverse",
            value: function(e) {
                for (var t = [], n = 0; n < 8; n++) {
                    var i = e.children[n];
                    i && this.pointcloud.nodeIntersectsProfile(i, this.profile) && t.push(i)
                }
                for (; 0 < t.length; ) {
                    var r = t.pop()
                      , a = r.boundingSphere.radius;
                    if (this.priorityQueue.push({
                        node: r,
                        weight: a
                    }),
                    r.level < this.maxDepth)
                        for (var o = 0; o < 8; o++) {
                            var s = r.children[o];
                            s && this.pointcloud.nodeIntersectsProfile(s, this.profile) && t.push(s)
                        }
                }
            }
        }, {
            key: "update",
            value: function() {
                this.updateGeneratorInstance || (this.updateGeneratorInstance = this.updateGenerator()),
                this.updateGeneratorInstance.next().done && (this.updateGeneratorInstance = null)
            }
        }, {
            key: "updateGenerator",
            value: regeneratorRuntime.mark(function e() {
                var t, n, i, r, a, o, s, l;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            performance.now(),
                            t = 1,
                            n = [],
                            i = 0;
                        case 4:
                            if (!(i < Math.min(t, this.priorityQueue.size()))) {
                                e.next = 13;
                                break
                            }
                            if (r = this.priorityQueue.pop(),
                            (a = r.node).level > this.maxDepth)
                                return e.abrupt("continue", 10);
                            e.next = 9;
                            break;
                        case 9:
                            a.loaded ? (n.push(a),
                            le.lru.touch(a),
                            this.highestLevelServed = Math.max(a.getLevel(), this.highestLevelServed),
                            o = a.pcoGeometry,
                            o = o ? o.hierarchyStepSize : 1,
                            (0 === a.getLevel() || a.level % o == 0 && a.hasChildren) && this.traverse(a)) : (a.load(),
                            this.priorityQueue.push(r));
                        case 10:
                            i++,
                            e.next = 4;
                            break;
                        case 13:
                            if (!(0 < n.length)) {
                                e.next = 33;
                                break
                            }
                            s = ue(this.getPointsInsideProfile(n, this.temporaryResult)),
                            e.prev = 15,
                            s.s();
                        case 17:
                            if ((l = s.n()).done) {
                                e.next = 24;
                                break
                            }
                            if (l.value) {
                                e.next = 22;
                                break
                            }
                            return !(e.next = 22);
                        case 22:
                            e.next = 17;
                            break;
                        case 24:
                            e.next = 29;
                            break;
                        case 26:
                            e.prev = 26,
                            e.t0 = e.catch(15),
                            s.e(e.t0);
                        case 29:
                            return e.prev = 29,
                            s.f(),
                            e.finish(29);
                        case 32:
                            100 < this.temporaryResult.size() && (this.pointsServed += this.temporaryResult.size(),
                            this.callback.onProgress({
                                request: this,
                                points: this.temporaryResult
                            }),
                            this.temporaryResult = new Qm(this.profile));
                        case 33:
                            return 0 === this.priorityQueue.size() && (0 < this.temporaryResult.size() && (this.pointsServed += this.temporaryResult.size(),
                            this.callback.onProgress({
                                request: this,
                                points: this.temporaryResult
                            }),
                            this.temporaryResult = new Qm(this.profile)),
                            this.callback.onFinish({
                                request: this
                            }),
                            0 <= (l = this.pointcloud.profileRequests.indexOf(this)) && this.pointcloud.profileRequests.splice(l, 1)),
                            e.next = 36,
                            !0;
                        case 36:
                        case "end":
                            return e.stop()
                        }
                }, e, this, [[15, 26, 29, 32]])
            })
        }, {
            key: "getAccepted",
            value: regeneratorRuntime.mark(function e(t, n, i, r, a, o, s) {
                var l, u, c, d, h, p, f, m, v, g, y;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            l = performance.now(),
                            u = new Uint32Array(t),
                            c = new Float64Array(t),
                            d = new Float32Array(3 * t),
                            h = 0,
                            p = new Cn,
                            f = new Cn,
                            m = new Float32Array(n.geometry.attributes.position.array),
                            v = 0;
                        case 9:
                            if (!(v < t)) {
                                e.next = 24;
                                break
                            }
                            if (p.set(m[3 * v + 0], m[3 * v + 1], m[3 * v + 2]),
                            p.applyMatrix4(i),
                            g = Math.abs(r.cutPlane.distanceToPoint(p)),
                            y = Math.abs(r.halfPlane.distanceToPoint(p)),
                            g < this.profile.width / 2 && y < r.length / 2 && (f.subVectors(p, r.start),
                            y = a.dot(f),
                            u[h] = v,
                            c[h] = y + s,
                            o.boundingBox.expandByPoint(p),
                            p.sub(this.pointcloud.position),
                            d[3 * h + 0] = p.x,
                            d[3 * h + 1] = p.y,
                            d[3 * h + 2] = p.z,
                            h++),
                            v % 1e3 != 0) {
                                e.next = 21;
                                break
                            }
                            if (4 < performance.now() - l)
                                return !(e.next = 20);
                            e.next = 21;
                            break;
                        case 20:
                            l = performance.now();
                        case 21:
                            v++,
                            e.next = 9;
                            break;
                        case 24:
                            return u = u.subarray(0, h),
                            c = c.subarray(0, h),
                            d = d.subarray(0, 3 * h),
                            e.next = 29,
                            [u, c, d];
                        case 29:
                        case "end":
                            return e.stop()
                        }
                }, e, this)
            })
        }, {
            key: "getPointsInsideProfile",
            value: regeneratorRuntime.mark(function e(t, n) {
                var i, r, a, o, s, l, u, c, d, h, p, f, m, v, g, y, w, b, x, E, _, M, A, T, S, C, P, D, k, B, L, R, F, I, O, z;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            i = performance.now(),
                            r = 0,
                            a = ue(n.segments),
                            e.prev = 4,
                            a.s();
                        case 6:
                            if ((d = a.n()).done) {
                                e.next = 86;
                                break
                            }
                            o = d.value,
                            s = ue(t),
                            e.prev = 9,
                            s.s();
                        case 11:
                            if ((h = s.n()).done) {
                                e.next = 75;
                                break
                            }
                            if (l = h.value,
                            u = l.numPoints,
                            c = l.geometry,
                            u) {
                                e.next = 17;
                                break
                            }
                            return e.abrupt("continue", 73);
                        case 17:
                            if (p = l.boundingBox.clone().applyMatrix4(this.pointcloud.matrixWorld),
                            d = p.getBoundingSphere(new qn),
                            h = new Cn(o.start.x,o.start.y,d.center.z),
                            p = new Cn(o.end.x,o.end.y,d.center.z),
                            p = new vh(h,p).closestPointToPoint(d.center, !0, new Cn),
                            p = p.distanceTo(d.center),
                            p < d.radius + n.profile.width) {
                                e.next = 26;
                                break
                            }
                            return e.abrupt("continue", 73);
                        case 26:
                            y = (new Cn).subVectors(o.end, o.start).setZ(0),
                            w = y.clone().normalize(),
                            f = new Gm,
                            g = (v = new ni).makeTranslation.apply(v, Q(l.boundingBox.min.toArray())),
                            y = (new ni).multiplyMatrices(this.pointcloud.matrixWorld, g),
                            g = v = m = null,
                            y = ue(this.getAccepted(u, l, y, o, w, f, r)),
                            e.prev = 36,
                            y.s();
                        case 38:
                            if ((w = y.n()).done) {
                                e.next = 53;
                                break
                            }
                            if (b = w.value) {
                                e.next = 47;
                                break
                            }
                            return performance.now(),
                            !(e.next = 44);
                        case 44:
                            i = performance.now(),
                            e.next = 51;
                            break;
                        case 47:
                            x = N(b, 3),
                            m = x[0],
                            v = x[1],
                            g = x[2];
                        case 51:
                            e.next = 38;
                            break;
                        case 53:
                            e.next = 58;
                            break;
                        case 55:
                            e.prev = 55,
                            e.t0 = e.catch(36),
                            y.e(e.t0);
                        case 58:
                            return e.prev = 58,
                            y.f(),
                            e.finish(58);
                        case 61:
                            if (4 < performance.now() - i)
                                return !(e.next = 65);
                            e.next = 66;
                            break;
                        case 65:
                            i = performance.now();
                        case 66:
                            f.data.position = g,
                            x = Object.keys(c.attributes).filter(function(e) {
                                return !["position", "indices"].includes(e)
                            }),
                            E = ue(x);
                            try {
                                for (E.s(); !(_ = E.n()).done; ) {
                                    for (M = _.value,
                                    A = c.attributes[M],
                                    T = A.array.length / u,
                                    parseInt(T),
                                    S = A.array.constructor,
                                    C = new S(T * m.length),
                                    P = A.array,
                                    D = C,
                                    k = 0; k < m.length; k++)
                                        B = m[k],
                                        R = (L = B * T) + T,
                                        F = P.subarray(L, R),
                                        D.set(F, k * T);
                                    f.data[M] = C
                                }
                            } catch (e) {
                                E.e(e)
                            } finally {
                                E.f()
                            }
                            f.data.mileage = v,
                            f.numPoints = m.length,
                            o.points.add(f);
                        case 73:
                            e.next = 11;
                            break;
                        case 75:
                            e.next = 80;
                            break;
                        case 77:
                            e.prev = 77,
                            e.t1 = e.catch(9),
                            s.e(e.t1);
                        case 80:
                            return e.prev = 80,
                            s.f(),
                            e.finish(80);
                        case 83:
                            r += o.length;
                        case 84:
                            e.next = 6;
                            break;
                        case 86:
                            e.next = 91;
                            break;
                        case 88:
                            e.prev = 88,
                            e.t2 = e.catch(4),
                            a.e(e.t2);
                        case 91:
                            return e.prev = 91,
                            a.f(),
                            e.finish(91);
                        case 94:
                            I = ue(n.segments);
                            try {
                                for (I.s(); !(O = I.n()).done; )
                                    z = O.value,
                                    n.boundingBox.union(z.points.boundingBox)
                            } catch (e) {
                                I.e(e)
                            } finally {
                                I.f()
                            }
                            return e.next = 98,
                            !0;
                        case 98:
                        case "end":
                            return e.stop()
                        }
                }, e, this, [[4, 88, 91, 94], [9, 77, 80, 83], [36, 55, 58, 61]])
            })
        }, {
            key: "finishLevelThenCancel",
            value: function() {
                this.cancelRequested || (this.maxDepth = this.highestLevelServed,
                this.cancelRequested = !0)
            }
        }, {
            key: "cancel",
            value: function() {
                this.callback.onCancel(),
                this.priorityQueue = new BinaryHeap(function(e) {
                    return 1 / e.weight
                }
                );
                var e = this.pointcloud.profileRequests.indexOf(this);
                0 <= e && this.pointcloud.profileRequests.splice(e, 1)
            }
        }]),
        r
    }()
      , Km = function() {
        function n(e) {
            O(this, n);
            var t = -1 === (this.version = e).indexOf(".") ? e.length : e.indexOf(".");
            this.versionMajor = parseInt(e.substr(0, t)),
            this.versionMinor = parseInt(e.substr(t + 1)),
            0 === this.versionMinor.length && (this.versionMinor = 0)
        }
        return h(n, [{
            key: "newerThan",
            value: function(e) {
                e = new n(e);
                return this.versionMajor > e.versionMajor || this.versionMajor === e.versionMajor && this.versionMinor > e.versionMinor
            }
        }, {
            key: "equalOrHigher",
            value: function(e) {
                e = new n(e);
                return this.versionMajor > e.versionMajor || this.versionMajor === e.versionMajor && this.versionMinor >= e.versionMinor
            }
        }, {
            key: "upTo",
            value: function(e) {
                return !this.newerThan(e)
            }
        }]),
        n
    }()
      , ch = function() {
        function e() {
            O(this, e),
            this.workers = {}
        }
        return h(e, [{
            key: "getWorker",
            value: function(e) {
                var t;
                return this.workers[e] || (this.workers[e] = []),
                0 === this.workers[e].length && (t = new Worker(e),
                this.workers[e].push(t)),
                this.workers[e].pop()
            }
        }, {
            key: "returnWorker",
            value: function(e, t) {
                this.workers[e].push(t)
            }
        }]),
        e
    }();
    function $m(e) {
        var t, n = e.material, i = [], r = ue(n.ranges);
        try {
            for (r.s(); !(t = r.n()).done; ) {
                var a = N(t.value, 2)
                  , o = a[0]
                  , s = a[1];
                i.push({
                    name: o,
                    value: s
                })
            }
        } catch (e) {
            r.e(e)
        } finally {
            r.f()
        }
        "number" == typeof n.elevationRange[0] && i.push({
            name: "elevationRange",
            value: n.elevationRange
        }),
        "number" == typeof n.intensityRange[0] && i.push({
            name: "intensityRange",
            value: n.intensityRange
        });
        var l = Object.entries(Potree.PointSizeType).find(function(e) {
            return e[1] === n.pointSizeType
        })[0]
          , l = {
            activeAttributeName: n.activeAttributeName,
            ranges: i,
            size: n.size,
            minSize: n.minSize,
            pointSizeType: l,
            matcap: n.matcap
        };
        return {
            name: e.name,
            url: e.pcoGeometry.url,
            position: e.position.toArray(),
            rotation: e.rotation.toArray(),
            scale: e.scale.toArray(),
            material: l
        }
    }
    function ev(e) {
        return {
            uuid: e.uuid,
            name: e.name,
            points: e.points.map(function(e) {
                return e.toArray()
            }),
            height: e.height,
            width: e.width
        }
    }
    function tv(e) {
        return {
            uuid: e.uuid,
            type: e.constructor.name,
            name: e.name,
            position: e.position.toArray(),
            rotation: e.rotation.toArray(),
            scale: e.scale.toArray(),
            visible: e.visible,
            clip: e.clip
        }
    }
    function nv(e) {
        var t = e.controlPoints.map(function(e) {
            return {
                position: e.position.toArray(),
                target: e.target.toArray()
            }
        });
        return {
            uuid: e.uuid,
            name: e.name,
            duration: e.duration,
            t: e.t,
            curveType: e.curveType,
            visible: e.visible,
            controlPoints: t
        }
    }
    function iv(e) {
        return {
            uuid: e.uuid,
            name: e.name,
            measureType: e.measureType,
            points: e.points.map(function(e) {
                return e.toArray()
            })
        }
    }
    function rv(e) {
        return {
            cameraParamsPath: e.cameraParamsPath,
            imageParamsPath: e.imageParamsPath
        }
    }
    function av(e) {
        return {
            path: e.path
        }
    }
    function ov(e) {
        var i = new Map;
        e.scene.annotations.traverseDescendants(function(e) {
            var t, n = (n = {
                uuid: (t = e).uuid,
                title: t.title.toString(),
                description: t.description,
                position: t.position.toArray(),
                offset: t.offset.toArray(),
                children: []
            },
            t.cameraPosition && (n.cameraPosition = t.cameraPosition.toArray()),
            t.cameraTarget && (n.cameraTarget = t.cameraTarget.toArray()),
            void 0 !== t.radius && (n.radius = t.radius),
            n);
            i.set(e, n)
        });
        var t, n = ue(i);
        try {
            for (n.s(); !(t = n.n()).done; ) {
                var r, a = N(t.value, 2), o = a[0], s = a[1], l = ue(o.children);
                try {
                    for (l.s(); !(r = l.n()).done; ) {
                        var u = r.value
                          , c = i.get(u);
                        s.children.push(c)
                    }
                } catch (e) {
                    l.e(e)
                } finally {
                    l.f()
                }
            }
        } catch (e) {
            n.e(e)
        } finally {
            n.f()
        }
        return e.scene.annotations.children.map(function(e) {
            return i.get(e)
        })
    }
    function sv(e) {
        return (lv = lv || {
            position: Sf.createFatLineMat({
                color: yv,
                lineWidth: 3
            }),
            target: Sf.createFatLineMat({
                color: wv,
                lineWidth: 3
            }),
            frustum: Sf.createFatLineMat({
                color: yv,
                lineWidth: 2
            }),
            aimAtTarget: new tl({
                color: wv
            })
        })[e]
    }
    var lv, uv = function() {
        y(a, hn);
        var r = w(a);
        function a(e, t) {
            var n;
            O(this, a),
            (n = r.call(this)).position = e,
            n.color = "#" + new Yi(t).getHexString(),
            n.svg = n.create(),
            n.visible_ = !0;
            function i() {
                n.update()
            }
            return viewer.addEventListener("camera_changed", i),
            n.addEventListener("dispose", function() {
                viewer.removeEventListener("camera_changed", i)
            }),
            n
        }
        return h(a, [{
            key: "create",
            value: function() {
                var o = this
                  , e = "http://www.w3.org/2000/svg"
                  , t = document.createElementNS(e, "svg");
                t.setAttribute("width", "2em"),
                t.setAttribute("height", "2em"),
                t.setAttribute("position", "absolute"),
                t.style.left = "50px",
                t.style.top = "50px",
                t.style.position = "absolute",
                t.style.zIndex = "10000",
                t.style.cursor = "grab",
                t.style.transform = "translate(-50%,-50%)";
                e = document.createElementNS(e, "circle");
                e.setAttributeNS(null, "cx", "1em"),
                e.setAttributeNS(null, "cy", "1em"),
                e.setAttributeNS(null, "r", "0.5em"),
                e.setAttributeNS(null, "style", "fill: " + this.color + "; stroke: black; stroke-width: 0.2em;"),
                t.appendChild(e),
                viewer.renderer.domElement.parentElement.appendChild(t);
                function n(e) {
                    o.selectedElement = t,
                    document.addEventListener("mousemove", r)
                }
                function i(e) {
                    o.selectedElement = null,
                    document.removeEventListener("mousemove", r)
                }
                var r = function(e) {
                    var t, n, i, r, a;
                    o.selectedElement && (e.preventDefault(),
                    a = viewer.renderer.domElement.getBoundingClientRect(),
                    t = e.clientX - a.x,
                    n = e.clientY - a.y,
                    i = (r = viewer.renderer.getSize(new yn)).width,
                    e = r.height,
                    a = viewer.scene.getActiveCamera(),
                    (r = o.position.clone().project(a)).x = (t / i - .5) / .5,
                    r.y = (-(n - e) / e - .5) / .5,
                    a = r.clone().unproject(a),
                    o.position.set(a.x, a.y, a.z),
                    o.update(),
                    o.dispatchEvent({
                        type: "dragged",
                        position: o.position
                    }))
                };
                return t.addEventListener("mousedown", n),
                t.addEventListener("mouseup", i),
                t.style.display = this.visible ? "" : "none",
                this.addEventListener("dispose", function() {
                    t.removeEventListener("mousedown", n),
                    t.removeEventListener("mouseup", i)
                }),
                t
            }
        }, {
            key: "visible",
            get: function() {
                return this.visible_
            },
            set: function(e) {
                (this.visible_ = e) ? this.update() : this.svg.style.display = "none"
            }
        }, {
            key: "update",
            value: function() {
                if (this.visible) {
                    var e = viewer.scene.getActiveCamera()
                      , e = Potree.Utils.getPos2d(this.position, e, viewer.renderArea, viewer.mainViewport);
                    if (!e.trueSide)
                        return this.svg.style.display = "none";
                    this.svg.style.left = e.posInViewport.x,
                    this.svg.style.top = e.posInViewport.y,
                    this.svg.style.display = ""
                }
            }
        }, {
            key: "dispose",
            value: function() {
                this.svg.remove(),
                this.dispatchEvent("dispose")
            }
        }]),
        a
    }(), cv = (new ua(1,1),
    function() {
        y(r, qp);
        var i = w(r);
        function r(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {};
            return O(this, r),
            n.sizeInfo = {
                width2d: 60
            },
            (t = i.call(this, n)).position.copy(e),
            t.dragStyle = n.dragStyle || "default",
            t.bindEvent(),
            t
        }
        return h(r, [{
            key: "bindEvent",
            value: function() {
                var r, a, o = this;
                this.addEventListener("drag", function(e) {
                    var t, n, i = viewer.scene.getActiveCamera();
                    r ? (t = (new yn).subVectors(e.pointer, a),
                    (n = r.clone()).x += t.x,
                    n.y += t.y,
                    n = n.clone().unproject(i),
                    o.position.set(n.x, n.y, n.z)) : (r = o.position.clone().project(i),
                    a = e.pointer.clone()),
                    o.update(),
                    o.dispatchEvent({
                        type: "dragged",
                        position: o.position
                    })
                }),
                this.addEventListener("drop", function(e) {
                    a = r = null
                }),
                this.addEventListener("mouseover", function(e) {
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "add",
                        name: "markerMove"
                    })
                }),
                this.addEventListener("mouseleave", function(e) {
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "markerMove"
                    })
                })
            }
        }]),
        r
    }()), dv = new Hr(new Tu(.08,.08,3,2),new $i({
        color: "#f88"
    })), hv = function() {
        y(u, Si);
        var l = w(u);
        function u(e, t, n, i) {
            var r, a = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : {};
            O(this, u),
            (r = l.call(this)).curve = new Bc(e,!1,"centripetal"),
            r.name = i || "curveNode",
            r.handleMat = a.handleMat,
            r.lineMat = t,
            r.createPath(),
            r.color = n,
            r.handles = [],
            r.wholeLength = 0,
            r.viewports = a.viewports || [viewer.mainViewport];
            for (var o = 0, s = r.points.length; o < s; o++)
                r.handles.push(r.createHandle(r.points[o]));
            return r.visible_ = !0,
            Potree.settings.isTest && (r.spheres = new Si,
            r.add(r.spheres)),
            r.updatePath(),
            r
        }
        return h(u, [{
            key: "addPoint",
            value: function(e, t, n) {
                var i = this.points.length;
                null == t && (t = i);
                var r = this.createHandle(e);
                this.handles = [].concat(Q(this.handles.slice(0, t)), [r], Q(this.handles.slice(t, i))),
                this.points = [].concat(Q(this.points.slice(0, t)), [e], Q(this.points.slice(t, i))),
                n && (this.updatePath(),
                this.updateHandle(t))
            }
        }, {
            key: "removePoint",
            value: function(e) {
                this.handles[e].dispose(),
                this.handles.splice(e, 1),
                this.points.splice(e, 1),
                this.updatePath()
            }
        }, {
            key: "createPath",
            value: function() {
                var e = Sf.createFatLine([], this.lineMat);
                this.line = e,
                this.add(e)
            }
        }, {
            key: "updatePath",
            value: function() {
                var n = this;
                this.curve.needsUpdate = !0;
                var e = this.points.length;
                if (this.wholeLength = this.points.reduce(function(e, t, n, i) {
                    return 0 == n ? 0 : e + t.distanceTo(i[n - 1])
                }, 0),
                1 < e) {
                    var t = gn.clamp(Math.ceil(5 * this.wholeLength), 30, 500)
                      , t = this.curve.getSpacedPoints(t);
                    if (this.needsPercent) {
                        this.pointsPercent = [0];
                        for (var i = [0], r = 0, a = t[0], o = 1; o < e; o++) {
                            var s = this.points[o];
                            r += s.distanceTo(a),
                            a = s,
                            i.push(r)
                        }
                        for (var l = 1; l < e; l++)
                            this.pointsPercent.push(0 == r ? l / e : i[l] / r)
                    }
                    Potree.settings.isTest && (this.spheres.children.forEach(function(e) {
                        return e.visible = !1
                    }),
                    t.forEach(function(e, t) {
                        t = n.spheres.children[t];
                        t || (t = dv.clone(),
                        n.spheres.add(t)),
                        t.position.copy(e),
                        t.visible = !0
                    }))
                } else
                    t = [];
                Sf.updateLine(this.line, t),
                this.dispatchEvent("updatePath")
            }
        }, {
            key: "createHandle",
            value: function(e) {
                var n, i = this;
                return this.handleMat ? (n = new cv(e,{
                    mat: this.handleMat,
                    viewports: this.viewports
                }),
                this.add(n)) : n = new uv(e,this.color),
                n.visible = this.visible,
                n.addEventListener("dragged", function(e) {
                    var t = i.handles.indexOf(n);
                    i.points[t].copy(e.position),
                    i.updatePath(),
                    i.dispatchEvent({
                        type: "dragCurvePoint",
                        index: t
                    })
                }),
                n
            }
        }, {
            key: "updateHandle",
            value: function(e) {
                this.visible && this.handles[e].update()
            }
        }, {
            key: "updateHandles",
            value: function() {
                var n = this;
                this.handles.forEach(function(e, t) {
                    n.updateHandle(t)
                })
            }
        }, {
            key: "update",
            value: function() {
                this.updateHandles(),
                this.updatePath()
            }
        }, {
            key: "visible",
            get: function() {
                return this.visible_
            },
            set: function(t) {
                t != this.visible_ && (this.visible_ = t,
                this.visible = t,
                this.handles && (this.handles.forEach(function(e) {
                    return e.visible = t
                }),
                t && this.updateHandles()))
            }
        }, {
            key: "points",
            get: function() {
                return this.curve.points
            },
            set: function(e) {
                this.curve.points = e
            }
        }, {
            key: "getPointAt",
            value: function(e) {
                return this.curve.getPointAt(e)
            }
        }, {
            key: "getSpacedPoints",
            value: function(e) {
                return this.curve.getSpacedPoints(e)
            }
        }, {
            key: "dispose",
            value: function() {
                this.parent && this.parent.remove(this),
                this.handles.forEach(function(e) {
                    return e.dispose()
                }),
                this.line.geometry && this.line.geometry.dispose()
            }
        }]),
        u
    }(), pv = {
        getEaseOut: function(r) {
            var e = (r = Math.round(r)) < 2 ? (r = Math.PI / 2,
            pv.easeOutSine) : function(e, t, n, i) {
                return 2 < r && console.log(r),
                -n / Math.pow(-i, r) * Math.pow(e - i, r) + n
            }
            ;
            return {
                k: r,
                easeFun: e
            }
        },
        linearTween: function(e, t, n, i) {
            return n * e / i + t
        },
        easeInQuad: function(e, t, n, i) {
            return n * (e /= i) * e + t
        },
        easeOutQuad: function(e, t, n, i) {
            return -n * (e /= i) * (e - 2) + t
        },
        easeInOutQuad: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? n / 2 * e * e + t : -n / 2 * (--e * (e - 2) - 1) + t
        },
        easeInCubic: function(e, t, n, i) {
            return n * (e /= i) * e * e + t
        },
        easeOutCubic: function(e, t, n, i) {
            return e /= i,
            n * (--e * e * e + 1) + t
        },
        easeInOutCubic: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? n / 2 * e * e * e + t : n / 2 * ((e -= 2) * e * e + 2) + t
        },
        easeInQuart: function(e, t, n, i) {
            return n * (e /= i) * e * e * e + t
        },
        easeOutQuart: function(e, t, n, i) {
            return e /= i,
            -n * (--e * e * e * e - 1) + t
        },
        easeInOutQuart: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? n / 2 * e * e * e * e + t : -n / 2 * ((e -= 2) * e * e * e - 2) + t
        },
        easeInQuint: function(e, t, n, i) {
            return n * (e /= i) * e * e * e * e + t
        },
        easeOutQuint: function(e, t, n, i) {
            return e /= i,
            n * (--e * e * e * e * e + 1) + t
        },
        easeInOutQuint: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? n / 2 * e * e * e * e * e + t : n / 2 * ((e -= 2) * e * e * e * e + 2) + t
        },
        easeInSine: function(e, t, n, i) {
            return -n * Math.cos(e / i * (Math.PI / 2)) + n + t
        },
        easeOutSine: function(e, t, n, i) {
            return console.log("easeOutSine"),
            n * Math.sin(e / i * (Math.PI / 2)) + t
        },
        easeInOutSine: function(e, t, n, i) {
            return -n / 2 * (Math.cos(Math.PI * e / i) - 1) + t
        },
        easeInExpo: function(e, t, n, i) {
            return n * Math.pow(2, 10 * (e / i - 1)) + t
        },
        easeOutExpo: function(e, t, n, i) {
            return n * (1 - Math.pow(2, -10 * e / i)) + t
        },
        easeInOutExpo: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? n / 2 * Math.pow(2, 10 * (e - 1)) + t : (e--,
            n / 2 * (2 - Math.pow(2, -10 * e)) + t)
        },
        easeInCirc: function(e, t, n, i) {
            return e /= i,
            -n * (Math.sqrt(1 - e * e) - 1) + t
        },
        easeOutCirc: function(e, t, n, i) {
            return e /= i,
            e--,
            n * Math.sqrt(1 - e * e) + t
        },
        easeInOutCirc: function(e, t, n, i) {
            return (e /= i / 2) < 1 ? -n / 2 * (Math.sqrt(1 - e * e) - 1) + t : (e -= 2,
            n / 2 * (Math.sqrt(1 - e * e) + 1) + t)
        },
        easeInElastic: function(e, t, n, i) {
            var r = 1.70158
              , a = 0
              , o = n;
            return 0 === e ? t : 1 == (e /= i) ? t + n : (a = a || .3 * i,
            r = o < Math.abs(n) ? (o = n,
            a / 4) : a / (2 * Math.PI) * Math.asin(n / o),
            -(o * Math.pow(2, 10 * --e) * Math.sin((e * i - r) * (2 * Math.PI) / a)) + t)
        },
        easeOutElastic: function(e, t, n, i) {
            var r = 1.70158
              , a = 0
              , o = n;
            return 0 === e ? t : 1 == (e /= i) ? t + n : (a = a || .3 * i,
            r = o < Math.abs(n) ? (o = n,
            a / 4) : a / (2 * Math.PI) * Math.asin(n / o),
            o * Math.pow(2, -10 * e) * Math.sin((e * i - r) * (2 * Math.PI) / a) + n + t)
        },
        easeInOutElastic: function(e, t, n, i) {
            var r = 1.70158
              , a = 0
              , o = n;
            return 0 === e ? t : 2 == (e /= i / 2) ? t + n : (a = a || i * (.3 * 1.5),
            r = o < Math.abs(n) ? (o = n,
            a / 4) : a / (2 * Math.PI) * Math.asin(n / o),
            e < 1 ? o * Math.pow(2, 10 * --e) * Math.sin((e * i - r) * (2 * Math.PI) / a) * -.5 + t : o * Math.pow(2, -10 * --e) * Math.sin((e * i - r) * (2 * Math.PI) / a) * .5 + n + t)
        },
        easeInBack: function(e, t, n, i, r) {
            return n * (e /= i) * e * (((r = void 0 === r ? 1.70158 : r) + 1) * e - r) + t
        },
        easeOutBack: function(e, t, n, i, r) {
            return n * ((e = e / i - 1) * e * (((r = void 0 === r ? 1.70158 : r) + 1) * e + r) + 1) + t
        },
        easeInOutBack: function(e, t, n, i, r) {
            return void 0 === r && (r = 1.70158),
            (e /= i / 2) < 1 ? n / 2 * (e * e * ((1 + (r *= 1.525)) * e - r)) + t : n / 2 * ((e -= 2) * e * ((1 + (r *= 1.525)) * e + r) + 2) + t
        },
        easeOutBounce: function(e, t, n, i) {
            return (e /= i) < 1 / 2.75 ? n * (7.5625 * e * e) + t : e < 2 / 2.75 ? n * (7.5625 * (e -= 1.5 / 2.75) * e + .75) + t : e < 2.5 / 2.75 ? n * (7.5625 * (e -= 2.25 / 2.75) * e + .9375) + t : n * (7.5625 * (e -= 2.625 / 2.75) * e + .984375) + t
        },
        easeInBounce: function(e, t, n, i) {
            return n - pv.easeOutBounce(i - e, 0, n, i) + t
        },
        easeInOutBounce: function(e, t, n, i) {
            return e < i / 2 ? .5 * pv.easeInBounce(2 * e, 0, n, i) + t : .5 * pv.easeOutBounce(x, 2 * e - i, 0, n, i) + .5 * n + t
        }
    }, fv = function(t, n, i) {
        var r = t.clone();
        return n = n.clone(),
        function(e) {
            t.set(r.x * (1 - e) + n.x * e, r.y * (1 - e) + n.y * e, r.z * (1 - e) + n.z * e),
            i && i(t, e)
        }
    }, mv = function(t, n, i) {
        var r = t.clone();
        return function(e) {
            t.copy(r).slerp(n, e),
            i && i(t, e)
        }
    }, vv = function(t, n, i, r) {
        var a = t[n];
        return function(e) {
            t[n] = a * (1 - e) + i * e,
            r && r(t[n])
        }
    }, gv = {
        globalDone: null,
        funcs: [],
        counter: 0,
        uniqueID: 0,
        start: function(e, t, n, i, r, a, o, s) {
            return this.funcs.push({
                func: e,
                current: -(i = i || 0) * Math.abs(t),
                duration: (1 - Math.max(i, 0)) * Math.abs(t),
                done: n,
                easing: r || pv.linearTween,
                cycling: t < 0,
                running: !0,
                debug: i < 0,
                name: a || "T" + this.counter,
                id: void 0 === o ? this.counter : o,
                paused: !1,
                cancelFun: s
            }),
            e(0, 16),
            this.counter += 1,
            e
        },
        trigger: function(e) {
            var t = void 0 === e.delayRatio ? 0 : e.delayRatio
              , n = e.func || function() {}
              , i = void 0 === e.duration ? 0 : e.duration;
            void 0 !== e.cycling && e.cycling && (i = -Math.abs(i));
            var r = e.done || null
              , a = e.easing || pv.linearTween
              , o = e.name || "R" + this.counter
              , e = void 0 === e.id ? this.counter : e.id;
            return this.start(n, i, r, t, a, o, e)
        },
        setTimeout: function(e, t, n) {
            n = void 0 === n ? this.counter : n;
            return this.trigger({
                done: e,
                duration: void 0 === t ? 0 : t,
                name: "O" + this.counter,
                id: n
            })
        },
        pause: function() {
            this.paused = !0
        },
        resume: function() {
            this.paused = !1
        },
        update: function(n) {
            this.funcs.forEach(function(e) {
                var t;
                e.paused || (e.current += 1e3 * n,
                e.current < 0) || (e.current >= e.duration && !e.cycling ? (t = e.easing(1, 0, 1, 1),
                e.func(t, 1e3 * n),
                e.done && e.done(),
                e.running = !1) : (t = e.easing(e.current % e.duration / e.duration, 0, 1, 1),
                e.func(t, 1e3 * n) && (e.done && e.done(),
                e.running = !1)))
            });
            var e = this.funcs.length;
            this.funcs = this.funcs.filter(function(e) {
                return e.running
            });
            var t = this.funcs.length;
            0 < e && 0 === t && this.globalDone && (t = this.globalDone,
            this.globalDone = null,
            t())
        },
        adjustSpeed: function(e, t) {
            for (var n = this.getById(e), i = 0; i < n.length; i++) {
                var r = n[i];
                r.duration /= t,
                r.current /= t
            }
        },
        getById: function(t) {
            return this.funcs.filter(function(e) {
                return t === e.id
            })
        },
        get: function(e) {
            for (var t = 0; t < this.funcs.length; t += 1)
                if (this.funcs[t].func === e)
                    return this.funcs[t];
            return null
        },
        isRunning: function(e) {
            e = this.get(e);
            return null !== e && e.running
        },
        countActive: function() {
            for (var e = 0, t = 0; t < this.funcs.length; t += 1)
                e += this.funcs[t].running;
            return e
        },
        listActive: function() {
            for (var e = [], t = 0; t < this.funcs.length; t += 1)
                this.funcs[t].running && e.push(this.funcs[t].name);
            return e
        },
        done: function(e) {
            this.globalDone = e
        },
        cancelById: function(e, n) {
            var i = void 0 === e ? 0 : e
              , r = [];
            this.funcs = this.funcs.filter(function(e) {
                var t = e.id == i;
                return t && n && e.cancelFun && r.push(e.cancelFun),
                !t
            }),
            r.forEach(function(e) {
                e()
            })
        },
        cancel: function(t) {
            this.funcs = this.funcs.filter(function(e) {
                return e.func !== t
            })
        },
        getUniqueId: function() {
            return --this.uniqueID,
            this.uniqueID
        }
    }, yv = "red", wv = "blue", bv = function() {
        y(c, hn);
        var n = w(c);
        function c(e) {
            var t;
            return O(this, c),
            (t = n.call(this)).viewer = e,
            t.selectedElement = null,
            t.uuid = gn.generateUUID(),
            t.node = new Si,
            t.node.name = "camera animation",
            t.viewer.scene.scene.add(t.node),
            t.frustum = t.createFrustum(),
            t.node.add(t.frustum),
            t.name = "Camera Animation",
            t.curveType = "centripetal",
            t.visible = !0,
            t.targets = [],
            t.createPath(),
            t.duration = 5,
            t.percent = 0,
            t.currentIndex = 0,
            t.durations = [],
            t.quaternions = [],
            Potree.settings.isTest || t.setVisible(!1),
            t.addEventListener("dispose", function() {
                t.dispose()
            }),
            t.targetLines = new Si,
            t.node.add(t.targetLines),
            t
        }
        return h(c, [{
            key: "createControlPoint",
            value: function(e, t) {
                var n, i = this, r = this.posCurve.points.length, a = new Cn, o = new Cn;
                null == e && (e = r),
                t ? (a.copy(t.position),
                o.copy(t.target)) : 2 <= r && 0 === e ? (n = (new Cn).subVectors(this.posCurve.points[0], this.posCurve.points[1]),
                a.copy(this.posCurve.points[0]).add(n),
                (new Cn).subVectors(this.targets[0].position, this.targets[1].position),
                o.copy(this.targets[0].position).add(n)) : 2 <= r && e === r ? (s = (new Cn).subVectors(this.posCurve.points[r - 1], this.posCurve.points[r - 2]),
                a.copy(this.posCurve.points[r - 2]).add(s),
                (new Cn).subVectors(this.targets[r - 1].position, this.targets[r - 2].position),
                o.copy(this.targets[r - 2].position).add(s)) : 2 <= r && (a.copy(this.posCurve.points[e - 1].clone().add(this.posCurve.points[e]).multiplyScalar(.5)),
                o.copy(this.targets[r - 1].position.clone().add(this.targets[r]).multiplyScalar(.5))),
                this.posCurve.addPoint(a, e);
                var s = new uv(o,wv);
                s.visible = this.visible,
                this.targets = [].concat(Q(this.targets.slice(0, e)), [s], Q(this.targets.slice(e, r))),
                this.useDurSlice && (this.durations = [].concat(Q(this.durations.slice(0, e)), [t.duration], Q(this.durations.slice(e, r)))),
                this.dispatchEvent({
                    type: "controlpoint_added",
                    index: e
                });
                o = Sf.createLine([a, o], {
                    mat: sv("aimAtTarget")
                });
                this.targetLines.children = [].concat(Q(this.targetLines.children.slice(0, e)), [o], Q(this.targetLines.children.slice(e, r))),
                this.targets[e].addEventListener("dragged", function(e) {
                    i.updatePathCallback(),
                    i.dragPointCallback(e)
                })
            }
        }, {
            key: "dragPointCallback",
            value: function(e) {
                var t = e.index;
                null == e.index && (t = this.targets.indexOf(e.target)),
                Sf.moveLine(this.targetLines.children[t], [this.posCurve.points[t], this.targets[t].position]),
                this.updateFrustum()
            }
        }, {
            key: "updatePathCallback",
            value: function() {
                this.quaternions = [];
                for (var e = this.posCurve.points.length, t = 0; t < e; t++) {
                    var n = Up.getQuaFromPosAim(this.posCurve.points[t], this.targets[t].position);
                    this.quaternions.push(n)
                }
                this.reMapCurvePercent()
            }
        }, {
            key: "removeControlPoint",
            value: function(e) {
                this.posCurve.removePoint(e),
                this.targets[e].dispose(),
                this.targets.splice(e, 1),
                this.dispatchEvent({
                    type: "controlpoint_removed",
                    index: e
                }),
                this.targetLines.remove(this.targetLines.children[e]),
                this.useDurSlice && this.durations.splice(e, 1)
            }
        }, {
            key: "createPath",
            value: function() {
                this.posCurve = new hv([],sv("position"),yv,"posCurve"),
                this.posCurve.needsPercent = !0,
                this.node.add(this.posCurve),
                this.posCurve.addEventListener("dragCurvePoint", this.dragPointCallback.bind(this)),
                this.posCurve.addEventListener("updatePath", this.updatePathCallback.bind(this))
            }
        }, {
            key: "createFrustum",
            value: function() {
                var e = [new Cn(0,0,0), new Cn(-.3,-.3,1), new Cn(0,0,0), new Cn(.3,-.3,1), new Cn(0,0,0), new Cn(.3,.3,1), new Cn(0,0,0), new Cn(-.3,.3,1), new Cn(-.3,-.3,1), new Cn(.3,-.3,1), new Cn(.3,-.3,1), new Cn(.3,.3,1), new Cn(.3,.3,1), new Cn(-.3,.3,1), new Cn(-.3,.3,1), new Cn(-.3,-.3,1)];
                e.forEach(function(e) {
                    return e.z *= -1
                });
                e = Sf.createFatLine(e, {
                    material: sv("frustum")
                });
                return e.visible = !1,
                e
            }
        }, {
            key: "reMapCurvePercent",
            value: function() {
                var e = this.posCurve.points.length;
                if (e < 2)
                    return this.newPointsPercents = [];
                var t = [0];
                if (this.useDurSlice) {
                    for (var n = [0], i = 0, r = 0; r < e - 1; r++) {
                        var a = this.durations[r];
                        i += a,
                        n.push(i)
                    }
                    for (var o = 1; o < e; o++)
                        t.push(0 == i ? o / e : n[o] / i)
                } else {
                    for (var s = this.duration / e, l = Math.min(.8, s), u = gn.clamp(.8 * Math.PI, l, s), c = this.posCurve.pointsPercent, d = 1; d < e; d++) {
                        var h, p = (c[d] - c[d - 1]) * this.duration, f = l;
                        p < u && (h = this.quaternions[d].angleTo(this.quaternions[d - 1]),
                        f = gn.clamp(.8 * h, l, s)),
                        p = Math.max(p, f),
                        p = t[d - 1] + p / this.duration,
                        t.push(p)
                    }
                    var m, v = t[e - 1];
                    Up.closeTo(v, 1) || (m = 1 / v,
                    t = t.map(function(e) {
                        return e * m
                    }))
                }
                this.newPointsPercents = t
            }
        }, {
            key: "at",
            value: function(e, t, n) {
                var i, r = e = gn.clamp(e, 0, 1);
                r < 1 ? (this.currentIndex = this.newPointsPercents.findIndex(function(e) {
                    return r < e
                }) - 1,
                e = this.newPointsPercents[this.currentIndex],
                i = this.newPointsPercents[this.currentIndex + 1],
                s = (r - e) / (i - e),
                i = this.posCurve.pointsPercent[this.currentIndex],
                r = i + (this.posCurve.pointsPercent[this.currentIndex + 1] - i) * s,
                e = this.quaternions[this.currentIndex + 1],
                i = this.quaternions[this.currentIndex],
                i = (new Sn).copy(i),
                mv(i, e)(s)) : (this.currentIndex = this.posCurve.points.length - 1,
                i = Up.getQuaFromPosAim(this.posCurve.points[this.currentIndex], this.targets[this.currentIndex].position));
                var a, o, s = this.posCurve.getPointAt(r);
                return null != t ? (o = Potree.settings.tourTestCameraMove ? (a = this.frustum.quaternion.clone(),
                this.frustum.position.clone()) : (a = (o = viewer.scene.getActiveCamera()).quaternion.clone(),
                o.position.clone()),
                n = n || 1 / Potree.settings.cameraAniSmoothRatio,
                n = gn.clamp(n *= 60 * t, 0, 1),
                mv(a, i)(n),
                fv(o, s)(n)) : (a = i,
                o = s),
                {
                    position: o,
                    rotation: (new ci).setFromQuaternion(a)
                }
            }
        }, {
            key: "set",
            value: function(e) {
                this.percent = e
            }
        }, {
            key: "setVisible",
            value: function(t) {
                this.node.visible = t,
                this.posCurve.visible = t,
                this.targets.forEach(function(e) {
                    return e.visible = t
                }),
                this.visible = t
            }
        }, {
            key: "setDuration",
            value: function(e) {
                e != this.duration && (this.duration = e,
                this.quaternions.length == this.posCurve.points.length && this.reMapCurvePercent())
            }
        }, {
            key: "getDuration",
            value: function(e) {
                return this.duration
            }
        }, {
            key: "play",
            value: function() {
                var i = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                if (this.onUpdate)
                    return console.error("已经开始播放");
                var r = 0
                  , a = 0;
                null != e.percent ? r = e.percent : e.index && (a = index,
                r = this.posCurve.pointsPercent[index]);
                var o = this.duration;
                this.originalyVisible = this.visible,
                Potree.settings.tourTestCameraMove || this.setVisible(!1);
                var s, l = 0, u = Potree.settings.cameraAniSmoothRatio / 60 * 3, c = 0;
                this.onUpdate = function(e) {
                    if (i.posCurve.points.length < 2)
                        return 1 == i.posCurve.points.length && (viewer.scene.view.position.copy(i.posCurve.points[0]),
                        viewer.scene.view.rotation = (new ci).setFromQuaternion(i.quaternions[0])),
                        void i.pause();
                    var t;
                    s ? t = (performance.now() - s) / 1e3 / o + r : (t = 0,
                    l += e.delta,
                    n = .2,
                    console.log("延迟开始"),
                    .25 < l && (s = performance.now())),
                    i.set(t);
                    var n = i.at(t, e.delta, n);
                    a != i.currentIndex && (a = i.currentIndex,
                    console.log("updateCurrentIndex", a),
                    i.dispatchEvent({
                        type: "updateCurrentIndex",
                        currentIndex: a
                    })),
                    Potree.settings.tourTestCameraMove || (viewer.scene.view.position.copy(n.position),
                    viewer.scene.view.rotation = n.rotation),
                    i.updateFrustum(n),
                    1 <= t && (u < c ? i.pause() : (c += e.delta,
                    console.log("延迟结束")))
                }
                ,
                this.viewer.addEventListener("update", this.onUpdate)
            }
        }, {
            key: "pause",
            value: function() {
                this.setVisible(this.originalyVisible),
                this.viewer.removeEventListener("update", this.onUpdate),
                this.dispatchEvent("playDone"),
                this.onUpdate = null
            }
        }, {
            key: "updateFrustum",
            value: function(e) {
                var t = this.frustum;
                1 < this.posCurve.points.length ? (t.visible = !0,
                e = e || this.at(this.percent),
                t.position.copy(e.position),
                t.rotation.copy(e.rotation)) : t.visible = !1
            }
        }, {
            key: "changeCallback",
            value: function() {
                this.posCurve.update(),
                this.targets.forEach(function(e) {
                    return e.update()
                }),
                this.updateFrustum()
            }
        }, {
            key: "dispose",
            value: function() {
                this.posCurve.dispose(),
                this.targets.forEach(function(e) {
                    return e.dispose()
                }),
                this.durations = [],
                this.node.parent.remove(this.node)
            }
        }], [{
            key: "defaultFromView",
            value: function(e) {
                for (var t = new c(e), n = e.scene.getActiveCamera(), e = e.scene.view.getPivot(), i = new Cn(.3 * n.position.x + .7 * e.x,.3 * n.position.y + .7 * e.y,.3 * n.position.z + .7 * e.z), r = new Cn(.05 * n.position.x + .95 * e.x,.05 * n.position.y + .95 * e.y,.05 * n.position.z + .95 * e.z), a = Jf.computeAzimuth(n.position, e), o = 0; o < 5; o++) {
                    var s = 1.5 * Math.PI * (o / 5) + a
                      , l = 2 * Math.cos(s)
                      , u = 2 * Math.sin(s)
                      , s = new Cn(i.x + l,i.y + u,i.z)
                      , u = new Cn(r.x + .1 * l,r.y + .1 * u,r.z);
                    t.createControlPoint(null, {
                        position: s,
                        target: u
                    })
                }
                return t.changeCallback(),
                t
            }
        }]),
        c
    }();
    function xv(d, e) {
        if (e) {
            var t, n = function e(t, n) {
                var i, r;
                if (!(i = t,
                r = null,
                d.scene.annotations.traverse(function(e) {
                    e.uuid === i.uuid && (r = e)
                }),
                r)) {
                    var a, o, s, l, u = ((s = new Kf({
                        position: (a = t).position,
                        title: a.title,
                        cameraPosition: a.cameraPosition,
                        cameraTarget: a.cameraTarget
                    })).description = a.description,
                    s.uuid = a.uuid,
                    a.offset && (o = s.offset).set.apply(o, Q(a.offset)),
                    s), c = ue(t.children);
                    try {
                        for (c.s(); !(l = c.n()).done; )
                            e(l.value, u)
                    } catch (e) {
                        c.e(e)
                    } finally {
                        c.f()
                    }
                    n.add(u)
                }
            }, i = ue(e);
            try {
                for (i.s(); !(t = i.n()).done; )
                    n(t.value, d.scene.annotations)
            } catch (e) {
                i.e(e)
            } finally {
                i.f()
            }
        }
    }
    function Ev() {
        return (Ev = r(regeneratorRuntime.mark(function e(r, a, o) {
            var s, l, u, c, d, h, p, f, m, v, g, y, w, b, x;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        if ("Potree" !== a.type)
                            return console.error("not a valid Potree project"),
                            e.abrupt("return");
                        e.next = 3;
                        break;
                    case 3:
                        n = r,
                        (i = a.settings) && (n.setPointBudget(i.pointBudget),
                        n.setFOV(i.fov),
                        n.setEDLEnabled(i.edlEnabled),
                        n.setEDLRadius(i.edlRadius),
                        n.setEDLStrength(i.edlStrength),
                        n.setBackground(i.background),
                        n.setMinNodeSize(i.minNodeSize),
                        n.setShowBoundingBox(i.showBoundingBoxes)),
                        t = r,
                        n = a.view,
                        i = void 0,
                        (i = t.scene.view.position).set.apply(i, Q(n.position)),
                        (t = t.scene.view).lookAt.apply(t, Q(n.target)),
                        s = ue(a.measurements);
                        try {
                            for (s.s(); !(l = s.n()).done; )
                                u = l.value,
                                function(e, t) {
                                    e.scene.measurements.find(function(e) {
                                        return e.uuid === t.uuid
                                    }) || (t.points = t.points.map(function(e) {
                                        return B(Cn, Q(e))
                                    }),
                                    e.measuringTool.createMeasureFromData(t))
                                }(r, u)
                        } catch (e) {
                            s.e(e)
                        } finally {
                            s.f()
                        }
                        c = ue(a.volumes);
                        try {
                            for (c.s(); !(d = c.n()).done; )
                                h = d.value,
                                function(e, t) {
                                    var n, i;
                                    e.scene.volumes.find(function(e) {
                                        return e.uuid === t.uuid
                                    }) || ((i = new Potree[t.type]).uuid = t.uuid,
                                    i.name = t.name,
                                    (n = i.position).set.apply(n, Q(t.position)),
                                    (n = i.rotation).set.apply(n, Q(t.rotation)),
                                    (n = i.scale).set.apply(n, Q(t.scale)),
                                    i.visible = t.visible,
                                    i.clip = t.clip,
                                    e.scene.addVolume(i))
                                }(r, h)
                        } catch (e) {
                            c.e(e)
                        } finally {
                            c.f()
                        }
                        p = ue(a.cameraAnimations);
                        try {
                            for (p.s(); !(f = p.n()).done; )
                                m = f.value,
                                function(e, t) {
                                    if (!e.scene.cameraAnimations.find(function(e) {
                                        return e.uuid === t.uuid
                                    })) {
                                        var n = new bv(e);
                                        n.uuid = t.uuid,
                                        n.name = t.name,
                                        n.duration = t.duration,
                                        n.t = t.t,
                                        n.curveType = t.curveType,
                                        n.visible = t.visible,
                                        n.controlPoints = [];
                                        var i, r = ue(t.controlPoints);
                                        try {
                                            for (r.s(); !(i = r.n()).done; ) {
                                                var a, o, s = i.value, l = n.createControlPoint();
                                                (a = l.position).set.apply(a, Q(s.position)),
                                                (o = l.target).set.apply(o, Q(s.target))
                                            }
                                        } catch (e) {
                                            r.e(e)
                                        } finally {
                                            r.f()
                                        }
                                        e.scene.addCameraAnimation(n)
                                    }
                                }(r, m)
                        } catch (e) {
                            p.e(e)
                        } finally {
                            p.f()
                        }
                        v = ue(a.profiles);
                        try {
                            for (v.s(); !(g = v.n()).done; )
                                y = g.value,
                                function(e, t) {
                                    var n = t.name
                                      , i = t.points;
                                    if (!e.scene.profiles.find(function(e) {
                                        return e.uuid === t.uuid
                                    })) {
                                        var r = new Potree.Profile;
                                        r.name = n,
                                        r.uuid = t.uuid,
                                        r.setWidth(t.width);
                                        var a, o = ue(i);
                                        try {
                                            for (o.s(); !(a = o.n()).done; ) {
                                                var s = a.value;
                                                r.addMarker(B(Cn, Q(s)))
                                            }
                                        } catch (e) {
                                            o.e(e)
                                        } finally {
                                            o.f()
                                        }
                                        e.scene.addProfile(r)
                                    }
                                }(r, y)
                        } catch (e) {
                            v.e(e)
                        } finally {
                            v.f()
                        }
                        if (a.orientedImages) {
                            w = ue(a.orientedImages);
                            try {
                                for (w.s(); !(b = w.n()).done; )
                                    x = b.value,
                                    function(t, e) {
                                        var n = e.cameraParamsPath
                                          , i = e.imageParamsPath;
                                        t.scene.orientedImages.find(function(e) {
                                            return e.imageParamsPath === i
                                        }) || Potree.OrientedImageLoader.load(n, i, t).then(function(e) {
                                            t.scene.addOrientedImages(e)
                                        })
                                    }(r, x)
                            } catch (e) {
                                w.e(e)
                            } finally {
                                w.f()
                            }
                        }
                        xv(r, a.annotations),
                        t = r,
                        (n = a.classification) && t.setClassifications(n),
                        o && o();
                    case 17:
                    case "end":
                        return e.stop()
                    }
                var t, n, i
            }, e)
        }))).apply(this, arguments)
    }
    var _v = function() {
        y(i, Gu);
        var n = w(i);
        function i() {
            O(this, i);
            var e = n.call(this)
              , t = {
                resolution: {
                    type: "v2",
                    value: new yn
                },
                edlStrength: {
                    type: "f",
                    value: 1
                },
                uNear: {
                    type: "f",
                    value: 1
                },
                uFar: {
                    type: "f",
                    value: 1
                },
                radius: {
                    type: "f",
                    value: 1
                },
                neighbours: {
                    type: "2fv",
                    value: []
                },
                depthMap: {
                    type: "t",
                    value: null
                },
                uEDLColor: {
                    type: "t",
                    value: null
                },
                uEDLDepth: {
                    type: "t",
                    value: null
                },
                opacity: {
                    type: "f",
                    value: 1
                },
                uProj: {
                    type: "Matrix4fv",
                    value: []
                },
                useEDL: {
                    type: "i",
                    value: 1
                }
            };
            return e.setValues({
                uniforms: t,
                vertexShader: e.getDefines() + Hp["edl.vs"],
                fragmentShader: e.getDefines() + Hp["edl.fs"],
                lights: !1
            }),
            e.neighbourCount = 8,
            e
        }
        return h(i, [{
            key: "getDefines",
            value: function() {
                var e = "";
                return e += "#define NEIGHBOUR_COUNT " + this.neighbourCount + "\n"
            }
        }, {
            key: "updateShaderSource",
            value: function() {
                var e = this.getDefines() + Hp["edl.vs"]
                  , t = this.getDefines() + Hp["edl.fs"];
                this.setValues({
                    vertexShader: e,
                    fragmentShader: t
                }),
                this.uniforms.neighbours.value = this.neighbours,
                this.needsUpdate = !0
            }
        }, {
            key: "neighbourCount",
            get: function() {
                return this._neighbourCount
            },
            set: function(e) {
                if (this._neighbourCount !== e) {
                    this._neighbourCount = e,
                    this.neighbours = new Float32Array(2 * this._neighbourCount);
                    for (var t = 0; t < this._neighbourCount; t++)
                        this.neighbours[2 * t + 0] = Math.cos(2 * t * Math.PI / this._neighbourCount),
                        this.neighbours[2 * t + 1] = Math.sin(2 * t * Math.PI / this._neighbourCount);
                    this.updateShaderSource()
                }
            }
        }]),
        i
    }()
      , Mv = function() {
        y(n, Gu);
        var t = w(n);
        function n() {
            O(this, n);
            var e;
            return (e = t.call(this)).setValues({
                uniforms: {
                    screenWidth: {
                        type: "f",
                        value: 0
                    },
                    screenHeight: {
                        type: "f",
                        value: 0
                    },
                    edlStrength: {
                        type: "f",
                        value: 1
                    },
                    radius: {
                        type: "f",
                        value: 1
                    },
                    neighbours: {
                        type: "2fv",
                        value: []
                    },
                    uEDLMap: {
                        type: "t",
                        value: null
                    },
                    uDepthMap: {
                        type: "t",
                        value: null
                    },
                    uWeightMap: {
                        type: "t",
                        value: null
                    }
                },
                vertexShader: e.getDefines() + Hp["normalize.vs"],
                fragmentShader: e.getDefines() + Hp["normalize_and_edl.fs"]
            }),
            e.neighbourCount = 8,
            e
        }
        return h(n, [{
            key: "getDefines",
            value: function() {
                var e = "";
                return e += "#define NEIGHBOUR_COUNT " + this.neighbourCount + "\n"
            }
        }, {
            key: "updateShaderSource",
            value: function() {
                var e = this.getDefines() + Hp["normalize.vs"]
                  , t = this.getDefines() + Hp["normalize_and_edl.fs"];
                this.setValues({
                    vertexShader: e,
                    fragmentShader: t
                }),
                this.uniforms.neighbours.value = this.neighbours,
                this.needsUpdate = !0
            }
        }, {
            key: "neighbourCount",
            get: function() {
                return this._neighbourCount
            },
            set: function(e) {
                if (this._neighbourCount !== e) {
                    this._neighbourCount = e,
                    this.neighbours = new Float32Array(2 * this._neighbourCount);
                    for (var t = 0; t < this._neighbourCount; t++)
                        this.neighbours[2 * t + 0] = Math.cos(2 * t * Math.PI / this._neighbourCount),
                        this.neighbours[2 * t + 1] = Math.sin(2 * t * Math.PI / this._neighbourCount);
                    this.updateShaderSource()
                }
            }
        }]),
        n
    }()
      , Av = function() {
        y(n, Gu);
        var t = w(n);
        function n() {
            O(this, n);
            var e;
            return (e = t.call(this)).setValues({
                uniforms: {
                    uDepthMap: {
                        type: "t",
                        value: null
                    },
                    uWeightMap: {
                        type: "t",
                        value: null
                    }
                },
                vertexShader: e.getDefines() + Hp["normalize.vs"],
                fragmentShader: e.getDefines() + Hp["normalize.fs"]
            }),
            e
        }
        return h(n, [{
            key: "getDefines",
            value: function() {
                return ""
            }
        }, {
            key: "updateShaderSource",
            value: function() {
                var e = this.getDefines() + Hp["normalize.vs"]
                  , t = this.getDefines() + Hp["normalize.fs"];
                this.setValues({
                    vertexShader: e,
                    fragmentShader: t
                }),
                this.needsUpdate = !0
            }
        }]),
        n
    }()
      , Tv = function() {
        function d(e, t) {
            O(this, d),
            this.version = "string" == typeof e ? new Km(e) : e,
            this.extension = t
        }
        var n;
        return h(d, [{
            key: "load",
            value: function(t) {
                var n, i, r = this;
                t.loaded || (n = t.getURL(),
                this.version.equalOrHigher("1.4") && (n += ".".concat(this.extension)),
                (i = Gp.createXMLHttpRequest()).open("GET", n, !0),
                i.responseType = "arraybuffer",
                i.overrideMimeType("text/plain; charset=x-user-defined"),
                i.onreadystatechange = function() {
                    var e;
                    4 === i.readyState && (200 === i.status || 0 === i.status ? (e = i.response,
                    r.parse(t, e)) : console.log("Failed to load file! HTTP status: " + i.status + ", file: " + n))
                }
                ,
                i.send(null))
            }
        }, {
            key: "parse",
            value: (n = r(regeneratorRuntime.mark(function e(t, n) {
                var i, r, a, o, s, l, u, c;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return i = new LASFile(n),
                            r = new Sv(t),
                            e.prev = 2,
                            e.next = 5,
                            i.open();
                        case 5:
                            i.isOpen = !0,
                            e.next = 12;
                            break;
                        case 8:
                            return e.prev = 8,
                            e.t0 = e.catch(2),
                            console.log("failed to open file. :("),
                            e.abrupt("return");
                        case 12:
                            return e.next = 14,
                            i.getHeader();
                        case 14:
                            a = e.sent,
                            s = 0,
                            l = (o = 1) <= 1 ? a.pointsCount : a.pointsCount / o,
                            u = !0;
                        case 19:
                            if (u)
                                return e.next = 22,
                                i.readData(1e6, 0, o);
                            e.next = 29;
                            break;
                        case 22:
                            c = e.sent,
                            r.push(new LASDecoder(c.buffer,a.pointsFormatId,a.pointsStructSize,c.count,a.scale,a.offset,a.mins,a.maxs)),
                            s += c.count,
                            d.progressCB(s / l),
                            u = c.hasMoreData,
                            e.next = 19;
                            break;
                        case 29:
                            return a.totalRead = s,
                            a.versionAsString = i.versionAsString,
                            a.isCompressed = i.isCompressed,
                            d.progressCB(1),
                            e.prev = 33,
                            e.next = 36,
                            i.close();
                        case 36:
                            i.isOpen = !1,
                            e.next = 43;
                            break;
                        case 39:
                            throw e.prev = 39,
                            e.t1 = e.catch(33),
                            console.error("failed to close las/laz file!!!"),
                            e.t1;
                        case 43:
                        case "end":
                            return e.stop()
                        }
                }, e, null, [[2, 8], [33, 39]])
            })),
            function(e, t) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "handle",
            value: function(e, t) {}
        }], [{
            key: "progressCB",
            value: function() {}
        }]),
        d
    }()
      , Sv = function() {
        function t(e) {
            O(this, t),
            this.node = e
        }
        return h(t, [{
            key: "push",
            value: function(h) {
                var p = this
                  , f = Potree.scriptPath + "/workers/LASDecoderWorker.js"
                  , m = Potree.workerPool.getWorker(f)
                  , v = this.node.pcoGeometry.pointAttributes;
                m.onmessage = function(i) {
                    var e = new Mr
                      , t = h.pointsCount
                      , n = new Float32Array(i.data.position)
                      , r = new Uint8Array(i.data.color)
                      , a = new Float32Array(i.data.intensity)
                      , o = new Uint8Array(i.data.classification)
                      , s = new Uint8Array(i.data.returnNumber)
                      , l = new Uint8Array(i.data.numberOfReturns)
                      , u = new Uint16Array(i.data.pointSourceID)
                      , c = new Uint8Array(i.data.indices);
                    e.setAttribute("position", new nr(n,3)),
                    e.setAttribute("color", new nr(r,4,!0)),
                    e.setAttribute("intensity", new nr(a,1)),
                    e.setAttribute("classification", new nr(o,1)),
                    e.setAttribute("return number", new nr(s,1)),
                    e.setAttribute("number of returns", new nr(l,1)),
                    e.setAttribute("source id", new nr(u,1)),
                    e.setAttribute("indices", new nr(c,4)),
                    e.attributes.indices.normalized = !0;
                    for (var d in i.data.ranges)
                        !function(t) {
                            var e = i.data.ranges[t]
                              , n = v.attributes.find(function(e) {
                                return e.name === t
                            });
                            n.range[0] = Math.min(n.range[0], e[0]),
                            n.range[1] = Math.max(n.range[1], e[1])
                        }(d);
                    c = new kn((new Cn).fromArray(i.data.tightBoundingBox.min),(new Cn).fromArray(i.data.tightBoundingBox.max));
                    e.boundingBox = p.node.boundingBox,
                    p.node.tightBoundingBox = c,
                    p.node.geometry = e,
                    p.node.numPoints = t,
                    p.node.loaded = !0,
                    p.node.loading = !1,
                    Potree.numNodesLoading--,
                    p.node.mean = B(Cn, Q(i.data.mean)),
                    Potree.workerPool.returnWorker(f, m)
                }
                ;
                var e = {
                    buffer: h.arrayb,
                    numPoints: h.pointsCount,
                    pointSize: h.pointSize,
                    pointFormatID: 2,
                    scale: h.scale,
                    offset: h.offset,
                    mins: h.mins,
                    maxs: h.maxs
                };
                m.postMessage(e, [e.buffer])
            }
        }]),
        t
    }()
      , Cv = function() {
        function i(e, t, n) {
            O(this, i),
            this.version = "string" == typeof e ? new Km(e) : e,
            this.boundingBox = t,
            this.scale = n
        }
        return h(i, [{
            key: "load",
            value: function(t) {
                var n = this;
                if (!t.loaded) {
                    var i = t.getURL();
                    this.version.equalOrHigher("1.4") && (i += ".bin"),
                    i += "?m=" + t.pcoGeometry.timeStamp;
                    var r = Gp.createXMLHttpRequest();
                    r.open("GET", i, !0),
                    r.responseType = "arraybuffer",
                    r.overrideMimeType("text/plain; charset=x-user-defined"),
                    r.onreadystatechange = function() {
                        if (4 === r.readyState) {
                            if (200 !== r.status && 0 !== r.status || null === r.response)
                                throw new Error("Failed to load file! HTTP status: ".concat(r.status, ", file: ").concat(i));
                            var e = r.response;
                            n.parse(t, e)
                        }
                    }
                    ;
                    try {
                        r.send(null)
                    } catch (e) {
                        console.log("fehler beim laden der punktwolke: " + e)
                    }
                }
            }
        }, {
            key: "parse",
            value: function(o, e) {
                var s = o.pcoGeometry.pointAttributes
                  , t = e.byteLength / o.pcoGeometry.pointAttributes.byteSize;
                this.version.upTo("1.5") && (o.numPoints = t);
                var l = Potree.scriptPath + "/workers/BinaryDecoderWorker.js"
                  , u = Potree.workerPool.getWorker(l);
                u.onmessage = function(e) {
                    var t = e.data
                      , r = t.attributeBuffers
                      , n = new kn((new Cn).fromArray(t.tightBoundingBox.min),(new Cn).fromArray(t.tightBoundingBox.max));
                    Potree.workerPool.returnWorker(l, u);
                    var i, a = new Mr;
                    for (i in r)
                        !function(e) {
                            var t, n = r[e].buffer, i = r[e].attribute;
                            "POSITION_CARTESIAN" === e ? a.setAttribute("position", new nr(new Float32Array(n),3)) : "rgba" === e ? a.setAttribute("rgba", new nr(new Uint8Array(n),4,!0)) : "NORMAL_SPHEREMAPPED" === e || "NORMAL_OCT16" === e || "NORMAL" === e ? a.setAttribute("normal", new nr(new Float32Array(n),3)) : "INDICES" === e ? ((t = new nr(new Uint8Array(n),4)).normalized = !0,
                            a.setAttribute("indices", t)) : "SPACING" === e ? (t = new nr(new Float32Array(n),1),
                            a.setAttribute("spacing", t)) : ((n = new nr(new Float32Array(n),1)).potree = {
                                offset: r[e].offset,
                                scale: r[e].scale,
                                preciseBuffer: r[e].preciseBuffer,
                                range: i.range
                            },
                            a.setAttribute(e, n),
                            (n = s.attributes.find(function(e) {
                                return e.name === i.name
                            })).range[0] = Math.min(n.range[0], i.range[0]),
                            n.range[1] = Math.max(n.range[1], i.range[1]),
                            0 === o.getLevel() && (n.initialRange = i.range))
                        }(i);
                    n.max.sub(n.min),
                    n.min.set(0, 0, 0);
                    e = e.data.buffer.byteLength / s.byteSize;
                    o.numPoints = e,
                    o.geometry = a,
                    o.mean = B(Cn, Q(t.mean)),
                    o.tightBoundingBox = n,
                    o.loaded = !0,
                    o.loading = !1,
                    o.estimatedSpacing = t.estimatedSpacing,
                    Potree.numNodesLoading--
                }
                ;
                e = {
                    buffer: e,
                    pointAttributes: s,
                    version: this.version.version,
                    min: [o.boundingBox.min.x, o.boundingBox.min.y, o.boundingBox.min.z],
                    offset: [o.pcoGeometry.offset.x, o.pcoGeometry.offset.y, o.pcoGeometry.offset.z],
                    scale: this.scale,
                    spacing: o.spacing,
                    hasChildren: o.hasChildren,
                    name: o.name
                };
                u.postMessage(e, [e.buffer])
            }
        }]),
        i
    }();
    function Pv(e) {
        var t = new Km(e.version)
          , n = {
            COLOR_PACKED: "rgba",
            RGBA: "rgba",
            INTENSITY: "intensity",
            CLASSIFICATION: "classification",
            GPS_TIME: "gps-time"
        }
          , i = [];
        if (t.upTo("1.7")) {
            var r, a = ue(e.pointAttributes);
            try {
                for (a.s(); !(r = a.n()).done; ) {
                    var o = r.value
                      , s = Am[o]
                      , l = {
                        name: s.name,
                        size: s.byteSize,
                        elements: s.numElements,
                        elementSize: s.byteSize / s.numElements,
                        type: s.type.name,
                        description: ""
                    };
                    i.push(l)
                }
            } catch (e) {
                a.e(e)
            } finally {
                a.f()
            }
        } else
            i.push.apply(i, Q(e.pointAttributes));
        for (var u = new Sm, c = {
            int8: Em.DATA_TYPE_INT8,
            int16: Em.DATA_TYPE_INT16,
            int32: Em.DATA_TYPE_INT32,
            int64: Em.DATA_TYPE_INT64,
            uint8: Em.DATA_TYPE_UINT8,
            uint16: Em.DATA_TYPE_UINT16,
            uint32: Em.DATA_TYPE_UINT32,
            uint64: Em.DATA_TYPE_UINT64,
            double: Em.DATA_TYPE_DOUBLE,
            float: Em.DATA_TYPE_FLOAT
        }, d = 0, h = i; d < h.length; d++) {
            var p, f, m, v = h[d];
            null != v.name ? (p = (m = v.name,
            n[m] || m),
            f = c[v.type],
            m = v.elements,
            v.description,
            m = new Am(p,f,m),
            u.add(m)) : (v = Am[v],
            u.add(v))
        }
        return void 0 !== i.find(function(e) {
            return "NormalX" === e.name
        }) && void 0 !== i.find(function(e) {
            return "NormalY" === e.name
        }) && void 0 !== i.find(function(e) {
            return "NormalZ" === e.name
        }) && u.addVector({
            name: "NORMAL",
            attributes: ["NormalX", "NormalY", "NormalZ"]
        }),
        u
    }
    function Dv() {
        var e = new Sm;
        return e.add(Am.POSITION_CARTESIAN),
        e.add(new Am("rgba",Em.DATA_TYPE_UINT8,4)),
        e.add(new Am("intensity",Em.DATA_TYPE_UINT16,1)),
        e.add(new Am("classification",Em.DATA_TYPE_UINT8,1)),
        e.add(new Am("gps-time",Em.DATA_TYPE_DOUBLE,1)),
        e.add(new Am("number of returns",Em.DATA_TYPE_UINT8,1)),
        e.add(new Am("return number",Em.DATA_TYPE_UINT8,1)),
        e.add(new Am("source id",Em.DATA_TYPE_UINT16,1)),
        e
    }
    var kv = function() {
        function e() {
            O(this, e)
        }
        return h(e, [{
            key: "loadPointAttributes",
            value: function(e) {
                for (var t = e.pointAttributes, n = new Sm, i = 0; i < t.length; i++) {
                    var r = Am[t[i]];
                    n.add(r)
                }
                return n
            }
        }, {
            key: "createChildAABB",
            value: function(e, t) {
                var n = e.min.clone()
                  , i = e.max.clone()
                  , e = (new Cn).subVectors(i, n);
                return 0 < (1 & t) ? n.z += e.z / 2 : i.z -= e.z / 2,
                0 < (2 & t) ? n.y += e.y / 2 : i.y -= e.y / 2,
                0 < (4 & t) ? n.x += e.x / 2 : i.x -= e.x / 2,
                new kn(n,i)
            }
        }], [{
            key: "load",
            value: function(h, e, p) {
                try {
                    var f = new Pm;
                    f.timeStamp = e,
                    f.url = h;
                    var m = Gp.createXMLHttpRequest();
                    m.open("GET", h + "?m=" + e, !0),
                    m.onreadystatechange = function() {
                        if (4 === m.readyState && (200 === m.status || 0 === m.status)) {
                            var e = JSON.parse(m.responseText)
                              , t = new Km(e.version);
                            0 === e.octreeDir.indexOf("http") ? f.octreeDir = e.octreeDir : f.octreeDir = h + "/../" + e.octreeDir,
                            f.spacing = e.spacing,
                            f.hierarchyStepSize = e.hierarchyStepSize,
                            f.pointAttributes = e.pointAttributes;
                            var n = new Cn(e.boundingBox.lx,e.boundingBox.ly,e.boundingBox.lz)
                              , i = new Cn(e.boundingBox.ux,e.boundingBox.uy,e.boundingBox.uz)
                              , r = new kn(n,i)
                              , i = r.clone();
                            e.tightBoundingBox && (i.min.copy(new Cn(e.tightBoundingBox.lx,e.tightBoundingBox.ly,e.tightBoundingBox.lz)),
                            i.max.copy(new Cn(e.tightBoundingBox.ux,e.tightBoundingBox.uy,e.tightBoundingBox.uz)));
                            n = n.clone();
                            r.min.sub(n),
                            r.max.sub(n),
                            i.min.sub(n),
                            i.max.sub(n),
                            f.boundingBox = r,
                            f.tightBoundingBox = i,
                            f.boundingSphere = r.getBoundingSphere(new qn),
                            f.tightBoundingSphere = i.getBoundingSphere(new qn),
                            f.offset = n,
                            "LAS" === e.pointAttributes ? (f.loader = new Tv(e.version,"las"),
                            f.pointAttributes = Dv()) : "LAZ" === e.pointAttributes ? (f.loader = new Tv(e.version,"laz"),
                            f.pointAttributes = Dv()) : (f.loader = new Cv(e.version,r,e.scale),
                            f.pointAttributes = Pv(e));
                            var a = {}
                              , r = new Dm("r",f,r);
                            if (r.level = 0,
                            r.hasChildren = !0,
                            r.spacing = f.spacing,
                            t.upTo("1.5") ? r.numPoints = e.hierarchy[0][1] : r.numPoints = 0,
                            f.root = r,
                            f.root.load(),
                            a.r = r,
                            t.upTo("1.4"))
                                for (var o = 1; o < e.hierarchy.length; o++) {
                                    var s = e.hierarchy[o][0]
                                      , l = e.hierarchy[o][1]
                                      , u = parseInt(s.charAt(s.length - 1))
                                      , c = a[s.substring(0, s.length - 1)]
                                      , d = s.length - 1
                                      , u = Jf.createChildAABB(c.boundingBox, u)
                                      , u = new Dm(s,f,u);
                                    u.level = d,
                                    u.numPoints = l,
                                    u.spacing = f.spacing / Math.pow(2, d),
                                    c.addChild(u),
                                    a[s] = u
                                }
                            f.nodes = a,
                            p(f)
                        }
                    }
                    ,
                    m.send(null)
                } catch (e) {
                    console.log("loading failed: '" + h + "'"),
                    console.log(e),
                    p()
                }
            }
        }]),
        e
    }()
      , Bv = function() {
        function e() {
            O(this, e)
        }
        var n;
        return h(e, null, [{
            key: "load",
            value: (n = r(regeneratorRuntime.mark(function e(t, n) {
                var i, r;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            fetch(t);
                        case 2:
                            return i = e.sent,
                            e.next = 5,
                            i.json();
                        case 5:
                            r = e.sent,
                            i = t.substr(0, t.lastIndexOf("ept.json")),
                            i = new Potree.PointCloudEptGeometry(i,r),
                            r = new Potree.PointCloudEptGeometryNode(i),
                            i.root = r,
                            i.root.load(),
                            n(i);
                        case 12:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t) {
                return n.apply(this, arguments)
            }
            )
        }]),
        e
    }()
      , Lv = function() {
        function e() {
            O(this, e)
        }
        return h(e, [{
            key: "extension",
            value: function() {
                return ".bin"
            }
        }, {
            key: "workerPath",
            value: function() {
                return Potree.scriptPath + "/workers/EptBinaryDecoderWorker.js"
            }
        }, {
            key: "load",
            value: function(t) {
                var n = this;
                if (!t.loaded) {
                    var i = t.url() + this.extension()
                      , r = Gp.createXMLHttpRequest();
                    r.open("GET", i, !0),
                    r.responseType = "arraybuffer",
                    r.overrideMimeType("text/plain; charset=x-user-defined"),
                    r.onreadystatechange = function() {
                        var e;
                        4 === r.readyState && (200 === r.status ? (e = r.response,
                        n.parse(t, e)) : console.log("Failed " + i + ": " + r.status))
                    }
                    ;
                    try {
                        r.send(null)
                    } catch (e) {
                        console.log("Failed request: " + e)
                    }
                }
            }
        }, {
            key: "parse",
            value: function(s, e) {
                var l = this.workerPath()
                  , u = Potree.workerPool.getWorker(l);
                u.onmessage = function(e) {
                    var t = new Mr
                      , n = e.data.numPoints
                      , i = new Float32Array(e.data.position);
                    t.setAttribute("position", new nr(i,3));
                    var r, a, i = new Uint8Array(e.data.indices);
                    t.setAttribute("indices", new nr(i,4)),
                    e.data.color && (i = new Uint8Array(e.data.color),
                    t.setAttribute("color", new nr(i,4,!0))),
                    e.data.intensity && (r = new Float32Array(e.data.intensity),
                    t.setAttribute("intensity", new nr(r,1))),
                    e.data.classification && (r = new Uint8Array(e.data.classification),
                    t.setAttribute("classification", new nr(r,1))),
                    e.data.returnNumber && (a = new Uint8Array(e.data.returnNumber),
                    t.setAttribute("return number", new nr(a,1))),
                    e.data.numberOfReturns && (a = new Uint8Array(e.data.numberOfReturns),
                    t.setAttribute("number of returns", new nr(a,1))),
                    e.data.pointSourceId && (o = new Uint16Array(e.data.pointSourceId),
                    t.setAttribute("source id", new nr(o,1))),
                    t.attributes.indices.normalized = !0;
                    var o = new kn((new Cn).fromArray(e.data.tightBoundingBox.min),(new Cn).fromArray(e.data.tightBoundingBox.max));
                    s.doneLoading(t, o, n, B(Cn, Q(e.data.mean))),
                    Potree.workerPool.returnWorker(l, u)
                }
                ;
                e = {
                    buffer: e,
                    schema: s.ept.schema,
                    scale: s.ept.eptScale,
                    offset: s.ept.eptOffset,
                    mins: [(e = s.key.b.min).x, e.y, e.z]
                };
                u.postMessage(e, [e.buffer])
            }
        }]),
        e
    }()
      , wh = function() {
        function e() {
            O(this, e)
        }
        var n;
        return h(e, [{
            key: "load",
            value: function(t) {
                var n, i, r = this;
                t.loaded || (n = t.url() + ".laz",
                (i = Gp.createXMLHttpRequest()).open("GET", n, !0),
                i.responseType = "arraybuffer",
                i.overrideMimeType("text/plain; charset=x-user-defined"),
                i.onreadystatechange = function() {
                    var e;
                    4 === i.readyState && (200 === i.status ? (e = i.response,
                    r.parse(t, e)) : console.log("Failed " + n + ": " + i.status))
                }
                ,
                i.send(null))
            }
        }, {
            key: "parse",
            value: (n = r(regeneratorRuntime.mark(function e(t, n) {
                var i, r, a, o, s, l, u, c, d;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return i = new LASFile(n),
                            r = new Rv(t),
                            e.prev = 2,
                            e.next = 5,
                            i.open();
                        case 5:
                            return i.isOpen = !0,
                            e.next = 8,
                            i.getHeader();
                        case 8:
                            a = e.sent,
                            o = 0,
                            s = (d = function(e) {
                                return [e.x, e.y, e.z]
                            }
                            )(t.key.b.min),
                            l = d(t.key.b.max),
                            u = !0;
                        case 14:
                            if (u)
                                return e.next = 17,
                                i.readData(1e6, 0, 1);
                            e.next = 26;
                            break;
                        case 17:
                            c = e.sent,
                            (d = new LASDecoder(c.buffer,a.pointsFormatId,a.pointsStructSize,c.count,a.scale,a.offset,s,l)).extraBytes = a.extraBytes,
                            d.pointsFormatId = a.pointsFormatId,
                            r.push(d),
                            o += c.count,
                            u = c.hasMoreData,
                            e.next = 14;
                            break;
                        case 26:
                            return a.totalRead = o,
                            a.versionAsString = i.versionAsString,
                            a.isCompressed = i.isCompressed,
                            e.next = 31,
                            i.close();
                        case 31:
                            i.isOpen = !1,
                            e.next = 42;
                            break;
                        case 34:
                            if (e.prev = 34,
                            e.t0 = e.catch(2),
                            console.error("Error reading LAZ:", e.t0),
                            i.isOpen)
                                return e.next = 40,
                                i.close();
                            e.next = 41;
                            break;
                        case 40:
                            i.isOpen = !1;
                        case 41:
                            throw e.t0;
                        case 42:
                        case "end":
                            return e.stop()
                        }
                }, e, null, [[2, 34]])
            })),
            function(e, t) {
                return n.apply(this, arguments)
            }
            )
        }]),
        e
    }()
      , Rv = function() {
        function t(e) {
            O(this, t),
            this.node = e
        }
        return h(t, [{
            key: "push",
            value: function(h) {
                var p = this
                  , f = Potree.scriptPath + "/workers/EptLaszipDecoderWorker.js"
                  , m = Potree.workerPool.getWorker(f);
                m.onmessage = function(e) {
                    var t = new Mr
                      , n = h.pointsCount
                      , i = new Float32Array(e.data.position)
                      , r = new Uint8Array(e.data.color)
                      , a = new Float32Array(e.data.intensity)
                      , o = new Uint8Array(e.data.classification)
                      , s = new Uint8Array(e.data.returnNumber)
                      , l = new Uint8Array(e.data.numberOfReturns)
                      , u = new Uint16Array(e.data.pointSourceID)
                      , c = new Uint8Array(e.data.indices)
                      , d = new Float32Array(e.data.gpsTime);
                    t.setAttribute("position", new nr(i,3)),
                    t.setAttribute("rgba", new nr(r,4,!0)),
                    t.setAttribute("intensity", new nr(a,1)),
                    t.setAttribute("classification", new nr(o,1)),
                    t.setAttribute("return number", new nr(s,1)),
                    t.setAttribute("number of returns", new nr(l,1)),
                    t.setAttribute("source id", new nr(u,1)),
                    t.setAttribute("indices", new nr(c,4)),
                    t.setAttribute("gpsTime", new nr(d,1)),
                    p.node.gpsTime = e.data.gpsMeta,
                    t.attributes.indices.normalized = !0;
                    d = new kn((new Cn).fromArray(e.data.tightBoundingBox.min),(new Cn).fromArray(e.data.tightBoundingBox.max));
                    p.node.doneLoading(t, d, n, B(Cn, Q(e.data.mean))),
                    Potree.workerPool.returnWorker(f, m)
                }
                ;
                var e = {
                    buffer: h.arrayb,
                    numPoints: h.pointsCount,
                    pointSize: h.pointSize,
                    pointFormatID: h.pointsFormatId,
                    scale: h.scale,
                    offset: h.offset,
                    mins: h.mins,
                    maxs: h.maxs
                };
                m.postMessage(e, [e.buffer])
            }
        }]),
        t
    }()
      , Pu = function() {
        y(t, Lv);
        var e = w(t);
        function t() {
            return O(this, t),
            e.apply(this, arguments)
        }
        return h(t, [{
            key: "extension",
            value: function() {
                return ".zst"
            }
        }, {
            key: "workerPath",
            value: function() {
                return Potree.scriptPath + "/workers/EptZstandardDecoderWorker.js"
            }
        }]),
        t
    }()
      , ku = function() {
        function e() {
            O(this, e),
            this.transform = null
        }
        var t, n;
        return h(e, [{
            key: "load",
            value: (n = r(regeneratorRuntime.mark(function e(t) {
                var n, i, r, a, o, s, l;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return n = new lf({
                                color: 16711680,
                                lineWidth: 3,
                                resolution: new yn(1e3,1e3),
                                dashed: !1
                            }),
                            e.next = 3,
                            this.loadShapefileFeatures(t);
                        case 3:
                            l = e.sent,
                            i = new Si,
                            r = ue(l);
                            try {
                                for (r.s(); !(a = r.n()).done; )
                                    o = a.value,
                                    s = this.featureToSceneNode(o, n),
                                    i.add(s)
                            } catch (e) {
                                r.e(e)
                            } finally {
                                r.f()
                            }
                            return l = {
                                features: l,
                                node: i,
                                setResolution: function(e, t) {
                                    n.resolution.set(e, t)
                                }
                            },
                            e.abrupt("return", l);
                        case 10:
                        case "end":
                            return e.stop()
                        }
                }, e, this)
            })),
            function(e) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "featureToSceneNode",
            value: function(e, t) {
                var n = e.geometry
                  , i = (new Yi(1,1,1),
                this.transform);
                if (null === i && (i = {
                    forward: function(e) {
                        return e
                    }
                }),
                "Point" === e.geometry.type) {
                    var r = new Hr(new Su(1,18,18),new Xu)
                      , a = N(n.coordinates, 2)
                      , o = a[0]
                      , a = a[1]
                      , o = i.forward([o, a]);
                    return (a = r.position).set.apply(a, Q(o).concat([20])),
                    r.scale.set(10, 10, 10),
                    r
                }
                if ("LineString" === n.type) {
                    for (var s = [], l = new Cn(1 / 0,1 / 0,1 / 0), u = 0; u < n.coordinates.length; u++) {
                        var c = N(n.coordinates[u], 2)
                          , d = c[0]
                          , c = c[1]
                          , c = i.forward([d, c]);
                        l.x = Math.min(l.x, c[0]),
                        l.y = Math.min(l.y, c[1]),
                        l.z = Math.min(l.z, 20),
                        s.push.apply(s, Q(c).concat([20])),
                        0 < u && u < n.coordinates.length - 1 && s.push.apply(s, Q(c).concat([20]))
                    }
                    for (var h = 0; h < s.length; h += 3)
                        s[h + 0] -= l.x,
                        s[h + 1] -= l.y,
                        s[h + 2] -= l.z;
                    r = new Mf;
                    r.setPositions(s);
                    r = new Af(r,t);
                    return r.computeLineDistances(),
                    r.scale.set(1, 1, 1),
                    r.position.copy(l),
                    r
                }
                if ("Polygon" === n.type) {
                    var p, f = ue(n.coordinates);
                    try {
                        for (f.s(); !(p = f.n()).done; ) {
                            for (var m = p.value, v = [], g = new Cn(1 / 0,1 / 0,1 / 0), y = 0; y < m.length; y++) {
                                var w = N(m[y], 2)
                                  , b = w[0]
                                  , x = w[1]
                                  , E = i.forward([b, x]);
                                g.x = Math.min(g.x, E[0]),
                                g.y = Math.min(g.y, E[1]),
                                g.z = Math.min(g.z, 20),
                                v.push.apply(v, Q(E).concat([20])),
                                0 < y && y < m.length - 1 && v.push.apply(v, Q(E).concat([20]))
                            }
                            for (var _ = 0; _ < v.length; _ += 3)
                                v[_ + 0] -= g.x,
                                v[_ + 1] -= g.y,
                                v[_ + 2] -= g.z;
                            var M = new Mf;
                            M.setPositions(v);
                            var A = new Af(M,t);
                            return A.computeLineDistances(),
                            A.scale.set(1, 1, 1),
                            A.position.copy(g),
                            A
                        }
                    } catch (e) {
                        f.e(e)
                    } finally {
                        f.f()
                    }
                } else
                    console.log("unhandled feature: ", e)
            }
        }, {
            key: "loadShapefileFeatures",
            value: (t = r(regeneratorRuntime.mark(function e(t) {
                var n, i, r;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return n = [],
                            e.next = 3,
                            shapefile.open(t);
                        case 3:
                            i = e.sent;
                        case 4:
                            return e.next = 7,
                            i.read();
                        case 7:
                            if ((r = e.sent).done)
                                return e.abrupt("break", 13);
                            e.next = 10;
                            break;
                        case 10:
                            r.value && "Feature" === r.value.type && void 0 !== r.value.geometry && n.push(r.value),
                            e.next = 4;
                            break;
                        case 13:
                            return e.abrupt("return", n);
                        case 14:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e) {
                return t.apply(this, arguments)
            }
            )
        }]),
        e
    }()
      , Fv = {
        landuse: [.5, .5, .5],
        natural: [0, 1, 0],
        places: [1, 0, 1],
        points: [0, 1, 1],
        roads: [1, 1, 0],
        waterways: [0, 0, 1],
        default: [.9, .6, .1]
    };
    var Iv, Ov, zv, Nv, Uv, Gv, Hv = h(function e() {
        O(this, e),
        this.path = null,
        this.node = null
    }), Fu = function() {
        function _() {
            O(this, _)
        }
        var n, i;
        return h(_, null, [{
            key: "loadUrl",
            value: (i = r(regeneratorRuntime.mark(function e(t, n) {
                var i;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            Promise.all([Jf.loadScript("".concat(Potree.scriptPath, "/lazylibs/geopackage/geopackage.js")), Jf.loadScript("".concat(Potree.scriptPath, "/lazylibs/sql.js/sql-wasm.js"))]);
                        case 2:
                            return e.next = 4,
                            fetch(t);
                        case 4:
                            return i = e.sent,
                            e.next = 7,
                            i.arrayBuffer();
                        case 7:
                            return i = e.sent,
                            (n = n || {}).source = t,
                            e.abrupt("return", _.loadBuffer(i, n));
                        case 11:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t) {
                return i.apply(this, arguments)
            }
            )
        }, {
            key: "loadBuffer",
            value: (n = r(regeneratorRuntime.mark(function e(x, E) {
                var t;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            Promise.all([Jf.loadScript("".concat(Potree.scriptPath, "/lazylibs/geopackage/geopackage.js")), Jf.loadScript("".concat(Potree.scriptPath, "/lazylibs/sql.js/sql-wasm.js"))]);
                        case 2:
                            return E = E || {},
                            t = function() {
                                var t = r(regeneratorRuntime.mark(function e(t) {
                                    var n, i, r, a, o, s, l, u, c, d, h, p, f, m, v, g, y, w, b;
                                    return regeneratorRuntime.wrap(function(e) {
                                        for (; ; )
                                            switch (e.prev = e.next) {
                                            case 0:
                                                return n = (n = E.transform) || {
                                                    forward: function(e) {
                                                        return e
                                                    }
                                                },
                                                i = "".concat(Potree.scriptPath, "/lazylibs/sql.js/sql-wasm.wasm"),
                                                e.next = 5,
                                                initSqlJs({
                                                    locateFile: function(e) {
                                                        return i
                                                    }
                                                });
                                            case 5:
                                                return e.sent,
                                                o = new Uint8Array(x),
                                                e.next = 9,
                                                geopackage.open(o);
                                            case 9:
                                                r = e.sent,
                                                window.data = r,
                                                (o = new Si).name = E.source,
                                                o.potree = {
                                                    source: E.source
                                                },
                                                (a = new Hv).path = E.source,
                                                a.node = o,
                                                o = r.getTables(),
                                                s = ue(o.features);
                                                try {
                                                    for (s.s(); !(l = s.n()).done; )
                                                        for (c = l.value,
                                                        d = r.getFeatureDao(c),
                                                        h = (h = d.getBoundingBox()).projectBoundingBox(d.projection, "EPSG:4326"),
                                                        p = r.queryForGeoJSONFeaturesInTable(c, h),
                                                        f = new lf({
                                                            color: (u = new Yi).setRGB.apply(u, Q(Fv[c] || Fv.default)),
                                                            lineWidth: 2,
                                                            resolution: new yn(1e3,1e3),
                                                            dashed: !1
                                                        }),
                                                        (m = new Si).name = c,
                                                        a.node.add(m),
                                                        v = 0,
                                                        g = Object.entries(p); v < g.length; v++)
                                                            y = N(g[v], 2),
                                                            y[0],
                                                            w = y[1],
                                                            b = _.featureToSceneNode(w, f, d.projection, n),
                                                            m.add(b)
                                                } catch (e) {
                                                    s.e(e)
                                                } finally {
                                                    s.f()
                                                }
                                                t(a);
                                            case 21:
                                            case "end":
                                                return e.stop()
                                            }
                                    }, e)
                                }));
                                return function(e) {
                                    return t.apply(this, arguments)
                                }
                            }(),
                            e.abrupt("return", new Promise(t));
                        case 5:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "featureToSceneNode",
            value: function(e, t, n, i) {
                var r = e.geometry;
                new Yi(1,1,1);
                if ("Point" === e.geometry.type) {
                    var a = new Hr(new Su(1,18,18),new Xu)
                      , o = N(r.coordinates, 2)
                      , s = o[0]
                      , o = o[1]
                      , s = i.forward(n.forward([s, o]));
                    return (o = a.position).set.apply(o, Q(s).concat([20])),
                    a.scale.set(10, 10, 10),
                    a
                }
                if ("LineString" === r.type) {
                    for (var l = [], u = new Cn(1 / 0,1 / 0,1 / 0), c = 0; c < r.coordinates.length; c++) {
                        var d = N(r.coordinates[c], 2)
                          , h = d[0]
                          , d = d[1]
                          , d = i.forward(n.forward([h, d]));
                        u.x = Math.min(u.x, d[0]),
                        u.y = Math.min(u.y, d[1]),
                        u.z = Math.min(u.z, 20),
                        l.push.apply(l, Q(d).concat([20])),
                        0 < c && c < r.coordinates.length - 1 && l.push.apply(l, Q(d).concat([20]))
                    }
                    for (var p = 0; p < l.length; p += 3)
                        l[p + 0] -= u.x,
                        l[p + 1] -= u.y,
                        l[p + 2] -= u.z;
                    a = new Mf;
                    a.setPositions(l);
                    a = new Af(a,t);
                    return a.computeLineDistances(),
                    a.scale.set(1, 1, 1),
                    a.position.copy(u),
                    a
                }
                if ("Polygon" === r.type) {
                    var f, m = ue(r.coordinates);
                    try {
                        for (m.s(); !(f = m.n()).done; ) {
                            for (var v = f.value, g = [], y = new Cn(1 / 0,1 / 0,1 / 0), w = 0; w < v.length; w++) {
                                var b = N(v[w], 2)
                                  , x = b[0]
                                  , E = b[1]
                                  , _ = i.forward(n.forward([x, E]));
                                y.x = Math.min(y.x, _[0]),
                                y.y = Math.min(y.y, _[1]),
                                y.z = Math.min(y.z, 20),
                                g.push.apply(g, Q(_).concat([20])),
                                0 < w && w < v.length - 1 && g.push.apply(g, Q(_).concat([20]))
                            }
                            for (var M = 0; M < g.length; M += 3)
                                g[M + 0] -= y.x,
                                g[M + 1] -= y.y,
                                g[M + 2] -= y.z;
                            var A = new Mf;
                            A.setPositions(g);
                            var T = new Af(A,t);
                            return T.computeLineDistances(),
                            T.scale.set(1, 1, 1),
                            T.position.copy(y),
                            T
                        }
                    } catch (e) {
                        m.e(e)
                    } finally {
                        m.f()
                    }
                } else
                    console.log("unhandled feature: ", e)
            }
        }]),
        _
    }(), Vv = function() {
        y(o, Si);
        var a = w(o);
        function o() {
            var n, e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, o),
            (n = a.call(this)).constructor.counter = void 0 === n.constructor.counter ? 0 : n.constructor.counter + 1,
            n.name = "clip_volume_" + n.constructor.counter;
            var t = e.alpha || 0
              , i = e.beta || 0
              , e = e.gamma || 0;
            n.rotation.x = t,
            n.rotation.y = i,
            n.rotation.z = e,
            n.clipOffset = .001,
            n.clipRotOffset = 1;
            t = new Cl(1,1,1);
            t.computeBoundingBox();
            i = new Sl;
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            i.colors.push(new Cn(1,1,1));
            e = new Sl;
            e.vertices.push(new Cn(-.5,-.5,0)),
            e.vertices.push(new Cn(-.5,.5,0)),
            e.vertices.push(new Cn(.5,.5,0)),
            e.vertices.push(new Cn(.5,-.5,0)),
            e.vertices.push(new Cn(-.5,.5,0)),
            e.vertices.push(new Cn(.5,.5,0)),
            e.vertices.push(new Cn(-.5,-.5,0)),
            e.vertices.push(new Cn(.5,-.5,0)),
            n.dimension = new Cn(1,1,1),
            n.material = new $i({
                color: 65280,
                transparent: !0,
                opacity: .3,
                depthTest: !0,
                depthWrite: !1
            }),
            n.box = new Hr(t,n.material),
            n.box.geometry.computeBoundingBox(),
            n.boundingBox = n.box.geometry.boundingBox,
            n.add(n.box),
            n.frame = new cl(i,new tl({
                color: 0
            })),
            n.add(n.frame),
            n.planeFrame = new cl(e,new tl({
                color: 16711680
            })),
            n.add(n.planeFrame),
            n.setScaleZ(.1);
            function r(e, t, n) {
                var i = new $i({
                    color: n,
                    depthTest: !1,
                    depthWrite: !1
                })
                  , r = new Sl;
                return r.vertices.push(new Cn(0,0,0)),
                r.vertices.push(new Cn(0,1,0)),
                (r = new sl(r,new tl({
                    color: n,
                    depthTest: !1,
                    depthWrite: !1,
                    transparent: !0
                }))).name = e + "_shaft",
                (n = new Hr(new Bl(0,.04,.1,10,1,!1),i)).name = e + "_head",
                n.position.y = 1,
                (i = new Si).name = e,
                i.add(r),
                i.add(n),
                i
            }
            return n.arrowX = r("arrow_x", new Cn(1,0,0), 16711680),
            n.arrowY = r("arrow_y", new Cn(0,1,0), 65280),
            n.arrowZ = r("arrow_z", new Cn(0,0,1), 255),
            n.arrowX.rotation.z = -Math.PI / 2,
            n.arrowZ.rotation.x = Math.PI / 2,
            n.arrowX.visible = !1,
            n.arrowY.visible = !1,
            n.arrowZ.visible = !1,
            n.add(n.arrowX),
            n.add(n.arrowY),
            n.add(n.arrowZ),
            n.addEventListener("ui_select", function(e) {
                n.arrowX.visible = !0,
                n.arrowY.visible = !0,
                n.arrowZ.visible = !0
            }),
            n.addEventListener("ui_deselect", function(e) {
                n.arrowX.visible = !1,
                n.arrowY.visible = !1,
                n.arrowZ.visible = !1
            }),
            n.addEventListener("select", function(e) {
                var t = $("#" + n.name + " .scene_header");
                t.next().is(":visible") || t.click()
            }),
            n.addEventListener("deselect", function(e) {
                var t = $("#" + n.name + " .scene_header");
                t.next().is(":visible") && t.click()
            }),
            n.update(),
            n
        }
        return h(o, [{
            key: "setClipOffset",
            value: function(e) {
                this.clipOffset = e
            }
        }, {
            key: "setClipRotOffset",
            value: function(e) {
                this.clipRotOffset = e
            }
        }, {
            key: "setScaleX",
            value: function(e) {
                this.box.scale.x = e,
                this.frame.scale.x = e,
                this.planeFrame.scale.x = e
            }
        }, {
            key: "setScaleY",
            value: function(e) {
                this.box.scale.y = e,
                this.frame.scale.y = e,
                this.planeFrame.scale.y = e
            }
        }, {
            key: "setScaleZ",
            value: function(e) {
                this.box.scale.z = e,
                this.frame.scale.z = e,
                this.planeFrame.scale.z = e
            }
        }, {
            key: "offset",
            value: function(e) {
                var t = e.cs || null
                  , n = e.axis || null
                  , e = e.dir || null;
                t && n && e && ("x" === n ? "local" === t ? this.position.add(this.localX.clone().multiplyScalar(e * this.clipOffset)) : "global" === t && (this.position.x = this.position.x + e * this.clipOffset) : "y" === n ? "local" === t ? this.position.add(this.localY.clone().multiplyScalar(e * this.clipOffset)) : "global" === t && (this.position.y = this.position.y + e * this.clipOffset) : "z" === n && ("local" === t ? this.position.add(this.localZ.clone().multiplyScalar(e * this.clipOffset)) : "global" === t && (this.position.z = this.position.z + e * this.clipOffset)),
                this.dispatchEvent({
                    type: "clip_volume_changed",
                    viewer: viewer,
                    volume: this
                }))
            }
        }, {
            key: "rotate",
            value: function(e) {
                var t = e.cs || null
                  , n = e.axis || null
                  , e = e.dir || null;
                t && n && e && ("local" === t ? "x" === n ? this.rotateOnAxis(new Cn(1,0,0), e * this.clipRotOffset * Math.PI / 180) : "y" === n ? this.rotateOnAxis(new Cn(0,1,0), e * this.clipRotOffset * Math.PI / 180) : "z" === n && this.rotateOnAxis(new Cn(0,0,1), e * this.clipRotOffset * Math.PI / 180) : "global" === t && (t = new Mn(1,0,0,0),
                "y" === n ? t = new Mn(0,1,0,0) : "z" === n && (t = new Mn(0,0,1,0)),
                this.updateMatrixWorld(),
                n = newthis.matrixWorld.clone().invert(),
                t = t.applyMatrix4(n).normalize(),
                t = new Cn(t.x,t.y,t.z),
                this.rotateOnAxis(t, e * this.clipRotOffset * Math.PI / 180)),
                this.updateLocalSystem(),
                this.dispatchEvent({
                    type: "clip_volume_changed",
                    viewer: viewer,
                    volume: this
                }))
            }
        }, {
            key: "update",
            value: function() {
                this.boundingBox = this.box.geometry.boundingBox,
                this.boundingSphere = this.boundingBox.getBoundingSphere(new qn),
                this.box.visible = !1,
                this.updateLocalSystem()
            }
        }, {
            key: "updateLocalSystem",
            value: function() {
                var e = this.getWorldQuaternion();
                this.localX = new Cn(1,0,0).applyQuaternion(e).normalize(),
                this.localY = new Cn(0,1,0).applyQuaternion(e).normalize(),
                this.localZ = new Cn(0,0,1).applyQuaternion(e).normalize()
            }
        }, {
            key: "raycast",
            value: function(e, t) {
                var n = [];
                this.box.raycast(e, n),
                0 < n.length && t.push({
                    distance: (n = n[0]).distance,
                    object: this,
                    point: n.point.clone()
                })
            }
        }]),
        o
    }(), jv = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).viewer = e,
            t.maxPolygonVertices = 8,
            t.addEventListener("start_inserting_clipping_volume", function(e) {
                t.viewer.dispatchEvent({
                    type: "cancel_insertions"
                })
            }),
            t.sceneMarker = new gs,
            t.sceneVolume = new gs,
            t.sceneVolume.name = "scene_clip_volume",
            t.viewer.inputHandler.registerInteractiveScene(t.sceneVolume),
            t.onRemove = function(e) {
                t.sceneVolume.remove(e.volume)
            }
            ,
            t.onAdd = function(e) {
                t.sceneVolume.add(e.volume)
            }
            ,
            t.viewer.inputHandler.addEventListener("delete", function(e) {
                e.selection.filter(function(e) {
                    return e instanceof Vv
                }).forEach(function(e) {
                    return t.viewer.scene.removeClipVolume(e)
                }),
                e.selection.filter(function(e) {
                    return e instanceof qf
                }).forEach(function(e) {
                    return t.viewer.scene.removePolygonClipVolume(e)
                })
            }),
            t
        }
        return h(i, [{
            key: "setScene",
            value: function(e) {
                this.scene !== e && (this.scene && (this.scene.removeEventListeners("clip_volume_added", this.onAdd),
                this.scene.removeEventListeners("clip_volume_removed", this.onRemove),
                this.scene.removeEventListeners("polygon_clip_volume_added", this.onAdd),
                this.scene.removeEventListeners("polygon_clip_volume_removed", this.onRemove)),
                this.scene = e,
                this.scene.addEventListener("clip_volume_added", this.onAdd),
                this.scene.addEventListener("clip_volume_removed", this.onRemove),
                this.scene.addEventListener("polygon_clip_volume_added", this.onAdd),
                this.scene.addEventListener("polygon_clip_volume_removed", this.onRemove))
            }
        }, {
            key: "startInsertion",
            value: function() {
                var t = this;
                if (!((0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}).type || null))
                    return null;
                var e = this.viewer.renderer.domElement
                  , n = this.viewer.renderer.getSize(new yn)
                  , r = $('\n\t\t<svg height="'.concat(n.height, '" width="').concat(n.width, '" style="position:absolute; pointer-events: none">\n\n\t\t\t<defs>\n\t\t\t\t <marker id="diamond" markerWidth="24" markerHeight="24" refX="12" refY="12"\n\t\t\t\t\t\tmarkerUnits="userSpaceOnUse">\n\t\t\t\t\t<circle cx="12" cy="12" r="6" fill="white" stroke="black" stroke-width="3"/>\n\t\t\t\t</marker>\n\t\t\t</defs>\n\n\t\t\t<polyline fill="none" stroke="black" \n\t\t\t\tstyle="stroke:rgb(0, 0, 0);\n\t\t\t\tstroke-width:6;"\n\t\t\t\tstroke-dasharray="9, 6"\n\t\t\t\tstroke-dashoffset="2"\n\t\t\t\t/>\n\n\t\t\t<polyline fill="none" stroke="black" \n\t\t\t\tstyle="stroke:rgb(255, 255, 255);\n\t\t\t\tstroke-width:2;"\n\t\t\t\tstroke-dasharray="5, 10"\n\t\t\t\tmarker-start="url(#diamond)" \n\t\t\t\tmarker-mid="url(#diamond)" \n\t\t\t\tmarker-end="url(#diamond)" \n\t\t\t\t/>\n\t\t</svg>'));
                $(e.parentElement).append(r);
                var a = new qf(this.viewer.scene.getActiveCamera().clone());
                this.dispatchEvent({
                    type: "start_inserting_clipping_volume"
                }),
                this.viewer.scene.addPolygonClipVolume(a),
                this.sceneMarker.add(a);
                function i(i) {
                    i.button === C.LEFT ? (a.addMarker(),
                    r.find("polyline").each(function(e, t) {
                        var n = r[0].createSVGPoint();
                        n.x = i.offsetX,
                        n.y = i.offsetY;
                        t.points.appendItem(n)
                    }),
                    a.markers.length > t.maxPolygonVertices && o.callback(),
                    t.viewer.inputHandler.startDragging(a.markers[a.markers.length - 1])) : i.button === C.RIGHT && o.callback(i)
                }
                var o = {
                    callback: null
                };
                return o.callback = function(e) {
                    r.remove(),
                    3 < a.markers.length ? (a.removeLastMarker(),
                    a.initialized = !0) : t.viewer.scene.removePolygonClipVolume(a),
                    t.viewer.renderer.domElement.removeEventListener("mouseup", i, !0),
                    t.viewer.removeEventListener("cancel_insertions", o.callback),
                    t.viewer.inputHandler.enabled = !0
                }
                ,
                this.viewer.addEventListener("cancel_insertions", o.callback),
                this.viewer.renderer.domElement.addEventListener("mouseup", i, !0),
                this.viewer.inputHandler.enabled = !1,
                a.addMarker(),
                this.viewer.inputHandler.startDragging(a.markers[a.markers.length - 1]),
                a
            }
        }, {
            key: "update",
            value: function() {}
        }]),
        i
    }();
    Ou = {},
    Iv = new Mh({
        LITTLE: "II",
        BIG: "MM"
    }),
    Ov = new Mh({
        BYTE: {
            value: 1,
            bytes: 1
        },
        ASCII: {
            value: 2,
            bytes: 1
        },
        SHORT: {
            value: 3,
            bytes: 2
        },
        LONG: {
            value: 4,
            bytes: 4
        },
        RATIONAL: {
            value: 5,
            bytes: 8
        },
        SBYTE: {
            value: 6,
            bytes: 1
        },
        UNDEFINED: {
            value: 7,
            bytes: 1
        },
        SSHORT: {
            value: 8,
            bytes: 2
        },
        SLONG: {
            value: 9,
            bytes: 4
        },
        SRATIONAL: {
            value: 10,
            bytes: 8
        },
        FLOAT: {
            value: 11,
            bytes: 4
        },
        DOUBLE: {
            value: 12,
            bytes: 8
        }
    }),
    zv = new Mh({
        IMAGE_WIDTH: 256,
        IMAGE_HEIGHT: 257,
        BITS_PER_SAMPLE: 258,
        COMPRESSION: 259,
        PHOTOMETRIC_INTERPRETATION: 262,
        STRIP_OFFSETS: 273,
        ORIENTATION: 274,
        SAMPLES_PER_PIXEL: 277,
        ROWS_PER_STRIP: 278,
        STRIP_BYTE_COUNTS: 279,
        X_RESOLUTION: 282,
        Y_RESOLUTION: 283,
        PLANAR_CONFIGURATION: 284,
        RESOLUTION_UNIT: 296,
        SOFTWARE: 305,
        COLOR_MAP: 320,
        SAMPLE_FORMAT: 339,
        MODEL_PIXEL_SCALE: 33550,
        MODEL_TIEPOINT: 33922,
        GEO_KEY_DIRECTORY: 34735,
        GEO_DOUBLE_PARAMS: 34736,
        GEO_ASCII_PARAMS: 34737
    }),
    Nv = new Map([[Ov.BYTE, Uint8Array], [Ov.ASCII, Uint8Array], [Ov.SHORT, Uint16Array], [Ov.LONG, Uint32Array], [Ov.RATIONAL, Uint32Array], [Ov.SBYTE, Int8Array], [Ov.UNDEFINED, Uint8Array], [Ov.SSHORT, Int16Array], [Ov.SLONG, Int32Array], [Ov.SRATIONAL, Int32Array], [Ov.FLOAT, Float32Array], [Ov.DOUBLE, Float64Array]]),
    Uv = h(function e(t, n, i, r, a) {
        O(this, e),
        this.tag = t,
        this.type = n,
        this.count = i,
        this.offset = r,
        this.value = a
    }),
    Gv = h(function e() {
        O(this, e),
        this.width = 0,
        this.height = 0,
        this.buffer = null,
        this.metadata = []
    }),
    rh = function() {
        function e() {
            O(this, e)
        }
        return h(e, null, [{
            key: "read",
            value: function(e) {
                var t = String.fromCharCode.apply(String, Q(Array.from(e.slice(0, 2))));
                Iv.fromValue(t);
                if (42 !== e.readUInt8(2))
                    throw new Error("not a valid tiff file");
                var n = e.readUInt32LE(4);
                console.log("offsetToFirstIFD", n);
                for (var r = [], i = n, a = 0; a < 100; ) {
                    console.log("currentIFDOffset", i);
                    var o = e.readUInt16LE(i)
                      , s = e.readUInt32LE(i + 2 + 12 * o);
                    console.log("next offset: ", i + 2 + 12 * o);
                    for (var l = e.slice(i + 2, i + 2 + 12 * o), u = 0; u < o; u++) {
                        var c, d = zv.fromValue(l.readUInt16LE(12 * u)), h = Ov.fromValue(l.readUInt16LE(12 * u + 2)), p = l.readUInt32LE(12 * u + 4), f = l.readUInt32LE(12 * u + 8), m = h.bytes * p, v = void 0;
                        m <= 4 ? v = f : ((c = new Uint8Array(m)).set(e.slice(f, f + m)),
                        v = new (Nv.get(h))(c.buffer),
                        h === Ov.ASCII && (v = String.fromCharCode.apply(String, Q(v))));
                        v = new Uv(d,h,p,f,v);
                        r.push(v)
                    }
                    if (console.log("nextIFDOffset", s),
                    0 === s)
                        break;
                    i = s,
                    a++
                }
                for (var t = function(e) {
                    var t, n = ue(r);
                    try {
                        for (n.s(); !(t = n.n()).done; ) {
                            var i = t.value;
                            if (i.tag === e)
                                return i
                        }
                    } catch (e) {
                        n.e(e)
                    } finally {
                        n.f()
                    }
                    return null
                }, g = t(zv.IMAGE_WIDTH).value, n = t(zv.IMAGE_HEIGHT).value, y = (t(zv.COMPRESSION).value,
                t(zv.ROWS_PER_STRIP).value), w = t(zv.STRIP_OFFSETS), b = t(zv.STRIP_BYTE_COUNTS), x = Math.ceil(n / y), E = [], _ = 0; _ < b.count; _++) {
                    var M = b.type
                      , A = b.offset + _ * M.bytes
                      , T = void 0;
                    M === Ov.SHORT ? T = e.readUInt16LE(A) : M === Ov.LONG && (T = e.readUInt32LE(A)),
                    E.push(T)
                }
                for (var S = [], C = 0; C < w.count; C++) {
                    var P = w.type
                      , D = w.offset + C * P.bytes
                      , k = void 0;
                    P === Ov.SHORT ? k = e.readUInt16LE(D) : P === Ov.LONG && (k = e.readUInt32LE(D)),
                    S.push(k)
                }
                for (var B = new Uint8Array(g * n * 3), L = 0, R = 0; R < x; R++)
                    for (var F = S[R], I = E[R], O = e.slice(F, F + I), z = 3 * g, N = 0; N < y; N++) {
                        var U = O.slice(N * z, N * z + z);
                        if (B.set(U, L * z),
                        U.length !== z)
                            break;
                        L++
                    }
                console.log("width: ".concat(g)),
                console.log("height: ".concat(n)),
                console.log("numStrips: ".concat(x)),
                console.log("stripByteCounts", E.join(", ")),
                console.log("stripOffsets", S.join(", "));
                t = new Gv;
                return t.width = g,
                t.height = n,
                t.buffer = B,
                t.metadata = r,
                t
            }
        }]),
        e
    }(),
    Ch = function() {
        function e() {
            O(this, e)
        }
        return h(e, null, [{
            key: "toTiffBuffer",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
                  , n = new Uint8Array([73, 73, 42, 0, 8, 0, 0, 0])
                  , i = [e.width, e.height]
                  , r = i[0]
                  , a = i[1]
                  , i = [new Uv(zv.IMAGE_WIDTH,Ov.SHORT,1,null,r), new Uv(zv.IMAGE_HEIGHT,Ov.SHORT,1,null,a), new Uv(zv.BITS_PER_SAMPLE,Ov.SHORT,4,null,new Uint16Array([8, 8, 8, 8])), new Uv(zv.COMPRESSION,Ov.SHORT,1,null,1), new Uv(zv.PHOTOMETRIC_INTERPRETATION,Ov.SHORT,1,null,2), new Uv(zv.ORIENTATION,Ov.SHORT,1,null,1), new Uv(zv.SAMPLES_PER_PIXEL,Ov.SHORT,1,null,4), new Uv(zv.ROWS_PER_STRIP,Ov.LONG,1,null,a), new Uv(zv.STRIP_BYTE_COUNTS,Ov.LONG,1,null,r * a * 3), new Uv(zv.PLANAR_CONFIGURATION,Ov.SHORT,1,null,1), new Uv(zv.RESOLUTION_UNIT,Ov.SHORT,1,null,1), new Uv(zv.SOFTWARE,Ov.ASCII,6,null,"......"), new Uv(zv.STRIP_OFFSETS,Ov.LONG,1,null,null), new Uv(zv.X_RESOLUTION,Ov.RATIONAL,1,null,new Uint32Array([1, 1])), new Uv(zv.Y_RESOLUTION,Ov.RATIONAL,1,null,new Uint32Array([1, 1]))];
                t.ifdEntries && i.push.apply(i, Q(t.ifdEntries));
                for (var o = 10 + 12 * i.length + 4, s = new Map, l = new Map, u = 0, c = i; u < c.length; u++) {
                    var d = c[u]
                      , h = new ArrayBuffer(12)
                      , p = new DataView(h);
                    d.type.bytes,
                    d.count;
                    p.setUint16(0, d.tag.value, !0),
                    p.setUint16(2, d.type.value, !0),
                    p.setUint32(4, d.count, !0),
                    1 === d.count && d.type.bytes <= 4 ? p.setUint32(8, d.value, !0) : (p.setUint32(8, o, !0),
                    p = new Uint8Array(d.count * d.type.bytes),
                    d.type === Ov.ASCII ? p.set(new Uint8Array(d.value.split("").map(function(e) {
                        return e.charCodeAt(0)
                    }))) : p.set(new Uint8Array(d.value.buffer)),
                    l.set(d.tag, p),
                    o += p.byteLength),
                    s.set(d.tag, h)
                }
                t = o;
                new DataView(s.get(zv.STRIP_OFFSETS)).setUint32(8, t, !0);
                function f(e) {
                    var t, n = e.reduce(function(e, t) {
                        return e + t.byteLength
                    }, 0), i = new Uint8Array(n), r = 0, a = ue(e);
                    try {
                        for (a.s(); !(t = a.n()).done; ) {
                            var o = t.value;
                            i.set(new Uint8Array(o), r),
                            r += o.byteLength
                        }
                    } catch (e) {
                        a.e(e)
                    } finally {
                        a.f()
                    }
                    return i
                }
                return {
                    width: r,
                    height: a,
                    buffer: f([n, f([new Uint16Array([i.length])].concat(Q(s.values()), [new Uint32Array([0])])), f(Q(l.values())), e.buffer])
                }
            }
        }]),
        e
    }(),
    Ou.Tag = zv,
    Ou.Type = Ov,
    Ou.IFDEntry = Uv,
    Ou.Image = Gv,
    Ou.Reader = rh,
    Ou.Exporter = Ch;
    var Wv = function() {
        y(o, hn);
        var a = w(o);
        function o(t) {
            var n;
            O(this, o),
            (n = a.call(this)).viewer = t,
            n.renderer = t.renderer,
            n.viewer.addEventListener("start_inserting_measurement", function(e) {
                n.viewer.dispatchEvent({
                    type: "cancel_insertions"
                })
            }),
            n.showLabels = !0,
            n.scene = new gs,
            n.scene.name = "scene_measurement",
            n.viewer.inputHandler.registerInteractiveScene(n.scene),
            n.onRemove = function(e) {
                e.measurement.dispose()
            }
            ,
            n.onAdd = function(e) {
                n.scene.add(e.measurement)
            }
            ;
            var e, i = ue(t.scene.measurements);
            try {
                for (i.s(); !(e = i.n()).done; ) {
                    var r = e.value;
                    n.onAdd({
                        measurement: r
                    })
                }
            } catch (e) {
                i.e(e)
            } finally {
                i.f()
            }
            return t.addEventListener("camera_changed", function(e) {
                e.viewport == t.mainViewport && n.update()
            }),
            t.addEventListener("render.pass.perspective_overlay", n.render.bind(g(n))),
            t.addEventListener("scene_changed", n.onSceneChange.bind(g(n))),
            t.scene.addEventListener("measurement_added", n.onAdd),
            t.scene.addEventListener("measurement_removed", n.onRemove),
            t.addEventListener("resize", n.setSize.bind(g(n))),
            n
        }
        return h(o, [{
            key: "onSceneChange",
            value: function(e) {
                e.oldScene && (e.oldScene.removeEventListener("measurement_added", this.onAdd),
                e.oldScene.removeEventListener("measurement_removed", this.onRemove)),
                e.scene.addEventListener("measurement_added", this.onAdd),
                e.scene.addEventListener("measurement_removed", this.onRemove)
            }
        }, {
            key: "createMeasureFromData",
            value: function(e) {
                e = new Wf(e);
                if (!e.failBuilded)
                    return viewer.scene.addMeasurement(e),
                    e.guideLine && (e.guideLine.visible = !1),
                    e
            }
        }, {
            key: "update",
            value: function() {}
        }, {
            key: "setSize",
            value: function(e) {}
        }, {
            key: "updateLabelZIndex",
            value: function(t) {
                t.forEach(function(n, e) {
                    n.base = t[e - 1] ? t[e - 1].base + t[e - 1].labels.length : 0,
                    n.labels.sort(function(e, t) {
                        return t.pos2d.z - e.pos2d.z
                    }).forEach(function(e, t) {
                        $(e.elem).css("z-index", n.base + t)
                    })
                })
            }
        }, {
            key: "editStateChange",
            value: function(e) {
                e.state || viewer.scene.measurements.some(function(e) {
                    return e.isEditing
                }) ? viewer.dispatchEvent({
                    type: "measureMovePoint"
                }) : viewer.dispatchEvent({
                    type: "endMeasureMove"
                })
            }
        }, {
            key: "startInsertion",
            value: function() {
                function e(e, t) {
                    return null != e ? e : t
                }
                var i = this
                  , r = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , a = 1 < arguments.length ? arguments[1] : void 0;
                this.viewer.renderer.domElement;
                r.showDistances = null === r.showDistances || r.showDistances,
                r.showArea = e(r.showArea, !1),
                r.showAngles = e(r.showAngles, !1),
                r.showCoordinates = e(r.showCoordinates, !1),
                r.showHeight = e(r.showHeight, !1),
                r.showCircle = e(r.showCircle, !1),
                r.showAzimuth = e(r.showAzimuth, !1),
                r.showEdges = e(r.showEdges, !0),
                r.closed = e(r.closed, !1),
                r.maxMarkers = e(r.maxMarkers, 1 / 0),
                r.direction = r.direction,
                r.type = r.type,
                r.showGuideLine = e(r.showGuideLine, !1),
                r.isRect = e(r.isRect, !1);
                var o, s = new Wf(r);
                this.scene.add(s),
                s.isNew = !0,
                this.viewer.dispatchEvent({
                    type: "start_inserting_measurement",
                    measure: s
                }),
                s.addEventListener("editStateChange", this.editStateChange.bind(this)),
                s.editStateChange(!0);
                var l = function(e) {
                    var t, n = s.points.length;
                    e.button == C.LEFT || e.isTouch ? n >= s.maxMarkers ? u({
                        finish: !0
                    }) : (t = s.addMarker({
                        point: s.points[n - 1].clone()
                    }),
                    r.isRect && 3 == s.markers.length ? s.addMarker({
                        point: s.points[0].clone()
                    }) : (s.markers[n].visible = !1,
                    s.edges[n].visible = !1),
                    s.edges[n - 1].visible = !0,
                    s.markers[n - 1].visible = !0,
                    s.editStateChange(!0),
                    t.isDragging = !0,
                    s.continueDrag(t, e)) : e.button === C.RIGHT && (e.pressDistance < Potree.config.clickMaxDragDis ? u(e) : s.continueDrag(null, e))
                }
                  , u = function e() {
                    var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                    if (s.isNew) {
                        if (null != r.minMarkers && !t.finish && s.markers.length <= r.minMarkers)
                            return s.markers[0].removeEventListener("mousedown", e),
                            s.reDraw(),
                            i.viewer.addEventListener("global_click", p, 10),
                            void s.editStateChange(!0);
                        !t.finish && 3 < s.markers.length && (s.removeMarker(s.points.length - 1),
                        s.markers[0].removeEventListener("mouseover", d),
                        s.markers[0].removeEventListener("mouseleave", h),
                        s.markers[0].removeEventListener("click", c)),
                        s.isNew = !1;
                        var n = s.points.length;
                        n && (s.markers[n - 1].visible = !0,
                        s.edges[n - 1].visible = !0,
                        s.markers.forEach(function(e) {
                            e.dispatchEvent("addHoverEvent")
                        }),
                        s.edges.forEach(function(e) {
                            e.dispatchEvent("addHoverEvent")
                        })),
                        clearTimeout(o),
                        i.viewer.removeEventListener("cancel_insertions", c),
                        i.viewer.removeEventListener("global_click", p),
                        i.viewer.removeEventListener("global_mousemove", f),
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "remove",
                            name: "polygon_AtWrongPlace"
                        }),
                        viewer.inputHandler.dispatchEvent({
                            type: "isMeasuring",
                            v: !1,
                            cause: "stopInsertion"
                        }),
                        t.remove || a && a()
                    }
                }
                  , c = function(e) {
                    e.measure && e.measure != s || (console.log("Exit: " + s.id),
                    e.remove && viewer.scene.removeMeasurement(s),
                    s.editStateChange(!1),
                    i.viewer.inputHandler.drag && !e.remove ? i.viewer.inputHandler.drag.object.dispatchEvent({
                        type: "drop",
                        drag: i.viewer.inputHandler.drag,
                        viewer: i.viewer,
                        pressDistance: 0,
                        button: C.RIGHT
                    }) : u({
                        finish: !0,
                        remove: e.remove
                    }),
                    i.viewer.inputHandler.drag = null)
                };
                this.viewer.addEventListener("cancel_insertions", c);
                var d = function(e) {
                    s.setMarkerSelected(e.object, "hover", "single")
                }
                  , h = function(e) {
                    s.setMarkerSelected(e.object, "unhover", "single")
                }
                  , p = function e(t) {
                    if (!f(t) && t.button !== C.RIGHT) {
                        var n = t.intersect && (t.intersect.orthoIntersect || t.intersect.location);
                        if (!n)
                            return s.dispatchEvent("intersectNoPointcloud");
                        "mapViewport" == t.drag.dragViewport.name && (n = n.clone().setZ(viewer.mainViewport.camera.position.z));
                        n = s.addMarker({
                            point: n
                        });
                        return n.isDragging = !0,
                        i.viewer.inputHandler.startDragging(n, {
                            endDragFun: l,
                            notPressMouse: !0
                        }),
                        t.drag = i.viewer.inputHandler.drag,
                        t.drag.endDragFun = l,
                        t.drag.notPressMouse = !0,
                        s.dragMarker(t),
                        s.dropMarker(t),
                        1 < s.maxMarkers && (s.markers[1].visible = !1,
                        s.edges[1].visible = !1),
                        2 < s.maxMarkers && !s.isRect && (s.markers[0].addEventListener("mouseover", d),
                        s.markers[0].addEventListener("mouseleave", h),
                        s.markers[0].addEventListener("click", c)),
                        i.viewer.removeEventListener("global_click", e),
                        {
                            stopContinue: !0
                        }
                    }
                };
                viewer.inputHandler.dispatchEvent({
                    type: "isMeasuring",
                    v: !0,
                    cause: "startInsertion"
                }),
                this.viewer.addEventListener("global_click", p, 10);
                var f = function(e) {
                    if (s.unableDragAtMap && "mapViewport" == e.hoverViewport.name)
                        return e.isTouch ? viewer.dispatchEvent({
                            type: "reticule_forbit",
                            v: !0
                        }) : viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "add",
                            name: "polygon_AtWrongPlace"
                        }),
                        !0;
                    e.isTouch ? viewer.dispatchEvent({
                        type: "reticule_forbit",
                        v: !1
                    }) : viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "polygon_AtWrongPlace"
                    })
                };
                return s.unableDragAtMap && this.viewer.addEventListener("global_mousemove", f),
                this.viewer.scene.addMeasurement(s),
                s
            }
        }, {
            key: "render",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                0 != this.scene.children.length && (viewer.setCameraLayers(e.camera, ["measure"]),
                e.screenshot ? (this.viewer.ssaaRenderPass.sampleLevel = 4,
                this.viewer.composer.render(this.scene, e.camera)) : this.viewer.renderer.render(this.scene, e.camera))
            }
        }]),
        o
    }()
      , Xv = function() {
        function n(e) {
            O(this, n),
            this.content = e;
            var t = "".concat(le.resourcePath, "/icons/close.svg");
            this.element = $('\n\t\t\t<div class="potree_message">\n\t\t\t\t<span name="content_container" style="flex-grow: 1; padding: 5px"></span>\n\t\t\t\t<img name="close" src="'.concat(t, '" class="button-icon" style="width: 16px; height: 16px;">\n\t\t\t</div>')),
            this.elClose = this.element.find("img[name=close]"),
            this.elContainer = this.element.find("span[name=content_container]"),
            "string" == typeof e ? this.elContainer.append($("<span>".concat(e, "</span>"))) : this.elContainer.append(e)
        }
        return h(n, [{
            key: "setMessage",
            value: function(e) {
                this.elContainer.empty(),
                "string" == typeof e ? this.elContainer.append($("<span>".concat(e, "</span>"))) : this.elContainer.append(e)
            }
        }]),
        n
    }()
      , pu = function() {
        function t(e) {
            O(this, t),
            this.potreeRenderer = e,
            this.threeRenderer = this.potreeRenderer.threeRenderer,
            this.target = new An(2048,2048,{
                minFilter: Oe,
                magFilter: Oe,
                format: et,
                type: Xe
            }),
            this.target.depthTexture = new El,
            this.target.depthTexture.type = We,
            this.threeRenderer.setClearColor(16711680, 1);
            e = this.threeRenderer.getRenderTarget();
            this.threeRenderer.setRenderTarget(this.target),
            this.threeRenderer.setRenderTarget(e)
        }
        return h(t, [{
            key: "setLight",
            value: function(e) {
                var t = 180 * (this.light = e).angle / Math.PI
                  , n = e.shadow.mapSize.width / e.shadow.mapSize.height
                  , i = 0 === e.distance ? 1e4 : e.distance;
                this.camera = new $r(t,n,.1,i),
                this.camera.up.set(0, 0, 1),
                this.camera.position.copy(e.position);
                e = (new Cn).subVectors(e.position, e.getWorldDirection(new Cn));
                this.camera.lookAt(e),
                this.camera.updateProjectionMatrix(),
                this.camera.updateMatrix(),
                this.camera.updateMatrixWorld(),
                this.camera.matrixWorldInverse.copy(this.camera.matrixWorld).invert()
            }
        }, {
            key: "setSize",
            value: function(e, t) {
                this.target.width === e && this.target.height === t || this.target.dispose(),
                this.target.setSize(e, t)
            }
        }, {
            key: "render",
            value: function(e, t) {
                this.threeRenderer.setClearColor(0, 1);
                var n = this.threeRenderer.getRenderTarget();
                this.threeRenderer.setRenderTarget(this.target),
                this.threeRenderer.clear(!0, !0, !0),
                this.potreeRenderer.render(e, this.camera, this.target, {}),
                this.threeRenderer.setRenderTarget(n)
            }
        }]),
        t
    }()
      , qv = function() {
        y(o, hn);
        var a = w(o);
        function o(e) {
            var t;
            O(this, o),
            (t = a.call(this)).viewer = e,
            t.renderer = e.renderer,
            t.addEventListener("start_inserting_profile", function(e) {
                t.viewer.dispatchEvent({
                    type: "cancel_insertions"
                })
            }),
            t.scene = new gs,
            t.scene.name = "scene_profile",
            t.light = new $c(16777215,1),
            t.scene.add(t.light),
            t.viewer.inputHandler.registerInteractiveScene(t.scene),
            t.onRemove = function(e) {
                return t.scene.remove(e.profile)
            }
            ,
            t.onAdd = function(e) {
                return t.scene.add(e.profile)
            }
            ;
            var n, i = ue(e.scene.profiles);
            try {
                for (i.s(); !(n = i.n()).done; ) {
                    var r = n.value;
                    t.onAdd({
                        profile: r
                    })
                }
            } catch (e) {
                i.e(e)
            } finally {
                i.f()
            }
            return e.addEventListener("update", t.update.bind(g(t))),
            e.addEventListener("render.pass.perspective_overlay", t.render.bind(g(t))),
            e.addEventListener("scene_changed", t.onSceneChange.bind(g(t))),
            e.scene.addEventListener("profile_added", t.onAdd),
            e.scene.addEventListener("profile_removed", t.onRemove),
            t
        }
        return h(o, [{
            key: "onSceneChange",
            value: function(e) {
                e.oldScene && (e.oldScene.removeEventListeners("profile_added", this.onAdd),
                e.oldScene.removeEventListeners("profile_removed", this.onRemove)),
                e.scene.addEventListener("profile_added", this.onAdd),
                e.scene.addEventListener("profile_removed", this.onRemove)
            }
        }, {
            key: "startInsertion",
            value: function() {
                var r = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , t = this.viewer.renderer.domElement
                  , a = new Kp;
                a.name = e.name || "Profile",
                this.dispatchEvent({
                    type: "start_inserting_profile",
                    profile: a
                }),
                this.scene.add(a);
                function n(e) {
                    var t, n, i;
                    e.button === C.LEFT ? (a.points.length <= 1 && (n = (t = r.viewer.scene.getActiveCamera()).position.distanceTo(a.points[0]),
                    i = r.viewer.renderer.getSize(new yn),
                    i = Jf.projectedRadius(1, t, n, i.width, i.height),
                    a.setWidth(10 / i)),
                    a.addMarker(a.points[a.points.length - 1].clone()),
                    r.viewer.inputHandler.startDragging(a.spheres[a.spheres.length - 1])) : e.button === C.RIGHT && o.callback()
                }
                var o = {
                    callback: null
                };
                return o.callback = function(e) {
                    a.removeMarker(a.points.length - 1),
                    t.removeEventListener("mouseup", n, !1),
                    r.viewer.removeEventListener("cancel_insertions", o.callback)
                }
                ,
                this.viewer.addEventListener("cancel_insertions", o.callback),
                t.addEventListener("mouseup", n, !1),
                a.addMarker(new Cn(0,0,0)),
                this.viewer.inputHandler.startDragging(a.spheres[a.spheres.length - 1]),
                this.viewer.scene.addProfile(a),
                a
            }
        }, {
            key: "update",
            value: function() {
                var e = this.viewer.scene.getActiveCamera()
                  , t = this.viewer.scene.profiles
                  , n = this.viewer.renderer.getSize(new yn)
                  , i = n.width
                  , r = n.height;
                this.light.position.copy(e.position);
                var a, o = ue(t);
                try {
                    for (o.s(); !(a = o.n()).done; ) {
                        var s, l = ue(a.value.spheres);
                        try {
                            for (l.s(); !(s = l.n()).done; ) {
                                var u = s.value
                                  , c = e.position.distanceTo(u.getWorldPosition(new Cn))
                                  , d = 15 / Jf.projectedRadius(1, e, c, i, r);
                                u.scale.set(d, d, d)
                            }
                        } catch (e) {
                            l.e(e)
                        } finally {
                            l.f()
                        }
                    }
                } catch (e) {
                    o.e(e)
                } finally {
                    o.f()
                }
            }
        }, {
            key: "render",
            value: function() {
                this.viewer.renderer.render(this.scene, this.viewer.scene.getActiveCamera())
            }
        }]),
        o
    }()
      , Jv = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).viewer = e,
            t.scene = new gs,
            e.addEventListener("update", t.update.bind(g(t))),
            e.addEventListener("render.pass.perspective_overlay", t.render.bind(g(t))),
            e.addEventListener("scene_changed", t.onSceneChange.bind(g(t))),
            t
        }
        return h(i, [{
            key: "onSceneChange",
            value: function(e) {
                console.log("scene changed")
            }
        }, {
            key: "startInsertion",
            value: function() {
                var w = this
                  , e = this.viewer.renderer.domElement
                  , b = new Zp;
                b.position.set(12345, 12345, 12345),
                b.showVolumeLabel = !1,
                b.visible = !1,
                b.update(),
                this.viewer.scene.addVolume(b),
                this.importance = 10;
                var x = $('<div style="position: absolute; border: 2px solid white; pointer-events: none; border-style:dashed"></div>');
                $(e.parentElement).append(x),
                x.css("right", "10px"),
                x.css("bottom", "10px");
                function E(e) {
                    w.importance = 0,
                    $(x).remove(),
                    w.viewer.inputHandler.deselectAll(),
                    w.viewer.inputHandler.toggleSelection(b);
                    var t = e.viewer.scene.getActiveCamera()
                      , n = e.viewer.renderer.getSize(new yn)
                      , i = (new yn).addVectors(e.drag.end, e.drag.start).multiplyScalar(.5)
                      , r = new Cn(0,0,.5);
                    Jf.convertScreenPositionToNDC(r, i, n.width, n.height);
                    var a = Jf.mouseToRay(r, t, n.width, n.height);
                    w.removeEventListener("drag", _),
                    w.removeEventListener("drop", E);
                    var o, s, l, u = [], c = [], d = ue(w.viewer.scene.pointclouds);
                    try {
                        for (d.s(); !(o = d.n()).done; ) {
                            var h, p, f, m, v, g, y = o.value;
                            y.visible && ((h = t.clone()).left = -b.scale.x / 2,
                            h.right = +b.scale.x / 2,
                            h.top = +b.scale.y / 2,
                            h.bottom = -b.scale.y / 2,
                            h.near = -b.scale.z / 2,
                            h.far = +b.scale.z / 2,
                            h.rotation.copy(b.rotation),
                            h.position.copy(b.position),
                            h.updateMatrix(),
                            h.updateMatrixWorld(),
                            h.updateProjectionMatrix(),
                            h.matrixWorldInverse.copy(h.matrixWorld).invert(),
                            p = new ti(h.getWorldPosition(new Cn),h.getWorldDirection(new Cn)),
                            f = new ti(p.origin.clone().add(p.direction.clone().multiplyScalar(b.scale.z)),p.direction.clone().multiplyScalar(-1)),
                            (new yn).subVectors(e.drag.end, e.drag.start),
                            m = {
                                width: 16,
                                height: 16,
                                pickWindowSize: 16,
                                all: !0,
                                pickClipped: !0,
                                pointSizeType: am.FIXED,
                                pointSize: 1
                            },
                            v = y.pick(viewer, null, h, p, m),
                            h.rotateX(Math.PI),
                            h.updateMatrix(),
                            h.updateMatrixWorld(),
                            h.updateProjectionMatrix(),
                            h.matrixWorldInverse.copy(h.matrixWorld).invert(),
                            g = y.pick(viewer, null, h, f, m),
                            v && u.push.apply(u, Q(v)),
                            g && c.push.apply(c, Q(g)))
                        }
                    } catch (e) {
                        d.e(e)
                    } finally {
                        d.f()
                    }
                    (0 < u.length || 0 < c.length) && (s = new vh(a.origin,(new Cn).addVectors(a.origin, a.direction)),
                    i = u.map(function(e) {
                        return s.closestPointToPoint(e.position, !1, new Cn)
                    }).sort(function(e, t) {
                        return a.origin.distanceTo(e) - a.origin.distanceTo(t)
                    }),
                    n = c.map(function(e) {
                        return s.closestPointToPoint(e.position, !1, new Cn)
                    }).sort(function(e, t) {
                        return a.origin.distanceTo(t) - a.origin.distanceTo(e)
                    }),
                    i = 0 == i.length ? (l = n[n.length - 1],
                    n[0]) : 0 == n.length ? (l = i[i.length - 1],
                    i[0]) : (l = i[0],
                    n[0]),
                    n = l.distanceTo(i),
                    i = (new Cn).addVectors(l, i).multiplyScalar(.5),
                    b.scale.z = 1.1 * n,
                    i = i.project(t),
                    r.setZ(i.z),
                    r.unproject(t),
                    b.position.copy(r)),
                    b.clip = !0
                }
                var _ = function(e) {
                    b.visible = !0;
                    var t = e.drag.start
                      , n = e.drag.end
                      , i = new ph;
                    i.expandByPoint(t),
                    i.expandByPoint(n),
                    x.css("left", "".concat(i.min.x, "px")),
                    x.css("top", "".concat(i.min.y, "px")),
                    x.css("width", "".concat(i.max.x - i.min.x, "px")),
                    x.css("height", "".concat(i.max.y - i.min.y, "px"));
                    var r = e.viewer.scene.getActiveCamera()
                      , a = e.viewer.renderer.getSize(new yn)
                      , t = new yn(r.right - r.left,r.top - r.bottom)
                      , n = (new yn).addVectors(e.drag.end, e.drag.start).multiplyScalar(.5)
                      , i = new Cn(0,0,.5);
                    Jf.convertScreenPositionToNDC(i, n, a.width, a.height),
                    i.unproject(r);
                    n = (new yn).subVectors(e.drag.end, e.drag.start);
                    n.divide(a).multiply(t),
                    b.position.copy(i),
                    b.up.copy(r.up),
                    b.rotation.copy(r.rotation),
                    b.scale.set(n.x, n.y, 1e5),
                    e.consume()
                };
                return this.addEventListener("drag", _),
                this.addEventListener("drop", E),
                viewer.inputHandler.addInputListener(this),
                b
            }
        }, {
            key: "update",
            value: function(e) {}
        }, {
            key: "render",
            value: function() {
                this.viewer.renderer.render(this.scene, this.viewer.scene.getActiveCamera())
            }
        }]),
        i
    }()
      , mu = function() {
        y(r, Si);
        var i = w(r);
        function r(e, t) {
            var n;
            O(this, r),
            (n = i.call(this)).light = e,
            n.color = t,
            n.updateMatrix(),
            n.updateMatrixWorld();
            e = new Su(1,32,32),
            t = new Xu;
            n.sphere = new Hr(e,t),
            n.sphere.scale.set(.5, .5, .5),
            n.add(n.sphere);
            e = new Float32Array([0, 0, 0, 0, 0, -1, 0, 0, 0, -1, -1, -1, 0, 0, 0, 1, -1, -1, 0, 0, 0, 1, 1, -1, 0, 0, 0, -1, 1, -1, -1, -1, -1, 1, -1, -1, 1, -1, -1, 1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, -1, -1, -1, -1]),
            t = new Mr;
            t.setAttribute("position", new nr(e,3));
            e = new tl;
            return n.frustum = new cl(t,e),
            n.add(n.frustum),
            n.update(),
            n
        }
        return h(r, [{
            key: "update",
            value: function() {
                this.light.updateMatrix(),
                this.light.updateMatrixWorld();
                var e = this.light.position
                  , t = (new Cn).addVectors(this.light.position, this.light.getWorldDirection(new Cn).multiplyScalar(-1))
                  , t = (new Sn).setFromRotationMatrix((new ni).lookAt(e, t, new Cn(0,0,1)));
                this.setRotationFromQuaternion(t),
                this.position.copy(e);
                t = 0 < this.light.distance ? this.light.distance : 1e3,
                e = t * Math.tan(.5 * this.light.angle);
                this.frustum.scale.set(e, e, t)
            }
        }]),
        r
    }()
      , Yv = 6710886
      , Zv = function() {
        function r(e) {
            var s = this;
            O(this, r),
            this.viewer = e,
            this.scene = new gs,
            this.modesEnabled = {
                scale: !0,
                translation: !0,
                rotation: !0
            },
            this.selection = [],
            this.pivot = new Cn,
            this.dragging = !1,
            this.showPickVolumes = !1,
            this.viewer.inputHandler.registerInteractiveScene(this.scene),
            this.viewer.inputHandler.addEventListener("selection_changed", function(e) {
                var t, n = ue(s.selection);
                try {
                    for (n.s(); !(t = n.n()).done; ) {
                        var i = t.value;
                        s.viewer.inputHandler.blacklist.delete(i)
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                s.selection = e.selection;
                var r, a = ue(s.selection);
                try {
                    for (a.s(); !(r = a.n()).done; ) {
                        var o = r.value;
                        s.viewer.inputHandler.blacklist.add(o)
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
            }),
            this.viewer.addEventListener("global_touchstart", function(e) {
                s.update()
            });
            var t = Potree.config.axis.x.color
              , n = Potree.config.axis.y.color
              , i = Potree.config.axis.z.color;
            this.activeHandle = null,
            this.scaleHandles = {
                "scale.x+": {
                    name: "scale.x+",
                    node: new Si,
                    color: t,
                    alignment: [1, 0, 0]
                },
                "scale.x-": {
                    name: "scale.x-",
                    node: new Si,
                    color: t,
                    alignment: [-1, 0, 0]
                },
                "scale.y+": {
                    name: "scale.y+",
                    node: new Si,
                    color: n,
                    alignment: [0, 1, 0]
                },
                "scale.y-": {
                    name: "scale.y-",
                    node: new Si,
                    color: n,
                    alignment: [0, -1, 0]
                },
                "scale.z+": {
                    name: "scale.z+",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, 1]
                },
                "scale.z-": {
                    name: "scale.z-",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, -1]
                }
            },
            this.focusHandles = {
                "focus.x+": {
                    name: "focus.x+",
                    node: new Si,
                    color: t,
                    alignment: [1, 0, 0]
                },
                "focus.x-": {
                    name: "focus.x-",
                    node: new Si,
                    color: t,
                    alignment: [-1, 0, 0]
                },
                "focus.y+": {
                    name: "focus.y+",
                    node: new Si,
                    color: n,
                    alignment: [0, 1, 0]
                },
                "focus.y-": {
                    name: "focus.y-",
                    node: new Si,
                    color: n,
                    alignment: [0, -1, 0]
                },
                "focus.z+": {
                    name: "focus.z+",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, 1]
                },
                "focus.z-": {
                    name: "focus.z-",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, -1]
                }
            },
            this.translationHandles = {
                "translation.x": {
                    name: "translation.x",
                    node: new Si,
                    color: t,
                    alignment: [1, 0, 0]
                },
                "translation.y": {
                    name: "translation.y",
                    node: new Si,
                    color: n,
                    alignment: [0, 1, 0]
                },
                "translation.z": {
                    name: "translation.z",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, 1]
                }
            },
            this.rotationHandles = {
                "rotation.x": {
                    name: "rotation.x",
                    node: new Si,
                    color: t,
                    alignment: [1, 0, 0]
                },
                "rotation.y": {
                    name: "rotation.y",
                    node: new Si,
                    color: n,
                    alignment: [0, 1, 0]
                },
                "rotation.z": {
                    name: "rotation.z",
                    node: new Si,
                    color: i,
                    alignment: [0, 0, 1]
                }
            },
            this.handles = Object.assign({}, this.scaleHandles, {}, this.translationHandles, this.rotationHandles),
            this.pickVolumes = [],
            this.initializeScaleHandles(),
            this.initializeFocusHandles(),
            this.initializeTranslationHandles(),
            this.initializeRotationHandles();
            i = new Sl;
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(-.5,-.5,.5)),
            i.vertices.push(new Cn(-.5,.5,.5)),
            i.vertices.push(new Cn(.5,-.5,.5)),
            i.vertices.push(new Cn(.5,.5,.5)),
            i.vertices.push(new Cn(.5,-.5,-.5)),
            i.vertices.push(new Cn(.5,.5,-.5)),
            i.vertices.push(new Cn(-.5,-.5,-.5)),
            i.vertices.push(new Cn(-.5,.5,-.5)),
            this.frame = new cl(i,new tl({
                color: 16776960
            })),
            this.scene.add(this.frame),
            e.setObjectLayers(this.scene, "transformationTool"),
            this.scene.traverse(function(e) {
                e.pickDontCheckDis = !0
            })
        }
        return h(r, [{
            key: "setModeEnable",
            value: function(e, t) {
                var n = this[e + "Handles"];
                if (n) {
                    for (var i in n)
                        n[i].node.visible = !!t;
                    this.modesEnabled[e] = !!t
                }
            }
        }, {
            key: "initializeScaleHandles",
            value: function() {
                for (var l = this, u = new Su(1,32,32), c = new Su(1,16,16), d = 0, h = Object.keys(this.scaleHandles); d < h.length; d++)
                    !function() {
                        var e = h[d]
                          , t = l.scaleHandles[e]
                          , n = t.node;
                        l.scene.add(n),
                        (a = n.position).set.apply(a, Q(t.alignment)).multiplyScalar(.5);
                        var i = new $i({
                            color: t.color,
                            opacity: .6,
                            transparent: !0
                        })
                          , r = new $i({
                            color: Yv,
                            side: J,
                            opacity: .6,
                            transparent: !0
                        })
                          , a = new Xu({
                            opacity: .2,
                            transparent: !0,
                            visible: l.showPickVolumes
                        })
                          , o = new Hr(u,i);
                        o.scale.set(2, 2, 2),
                        o.name = "".concat(e, ".handle"),
                        n.add(o);
                        t = new Hr(u,r);
                        t.scale.set(1.1, 1.1, 1.1),
                        t.name = "".concat(e, ".outline"),
                        o.add(t);
                        var s = new Hr(c,a);
                        s.name = "".concat(e, ".pick_volume"),
                        s.scale.set(2, 2, 2),
                        o.add(s),
                        s.handle = e,
                        l.pickVolumes.push(s),
                        n.setOpacity = function(e) {
                            var t = {
                                x: i.opacity
                            }
                              , e = new TWEEN.Tween(t).to({
                                x: e
                            }, 100);
                            e.onUpdate(function() {
                                o.visible = 0 < t.x,
                                s.visible = 0 < t.x,
                                i.opacity = t.x,
                                r.opacity = t.x,
                                s.material.opacity = .5 * t.x
                            }),
                            e.start()
                        }
                        ,
                        s.addEventListener("drag", function(e) {
                            return l.dragScaleHandle(e)
                        }),
                        s.addEventListener("drop", function(e) {
                            return l.dropScaleHandle(e)
                        }),
                        s.addEventListener("mouseover", function(e) {}),
                        s.addEventListener("click", function(e) {}),
                        s.addEventListener("mouseleave", function(e) {})
                    }()
            }
        }, {
            key: "initializeFocusHandles",
            value: function() {}
        }, {
            key: "initializeTranslationHandles",
            value: function() {
                for (var l = this, u = new Cl(1,1,1), c = 0, d = Object.keys(this.translationHandles); c < d.length; c++)
                    !function() {
                        var e = d[c]
                          , t = l.handles[e]
                          , n = t.node;
                        l.scene.add(n);
                        var i = new $i({
                            color: t.color,
                            opacity: .6,
                            transparent: !0
                        })
                          , r = new $i({
                            color: Yv,
                            side: J,
                            opacity: .6,
                            transparent: !0
                        })
                          , a = new Xu({
                            opacity: .2,
                            transparent: !0,
                            visible: l.showPickVolumes
                        })
                          , o = new Hr(u,i);
                        o.name = "".concat(e, ".handle"),
                        o.scale.set(1, 1, 72),
                        o.lookAt(B(Cn, Q(t.alignment))),
                        o.renderOrder = 10,
                        n.add(o),
                        t.translateNode = o;
                        t = new Hr(u,r);
                        t.name = "".concat(e, ".outline"),
                        t.scale.set(1.3, 1.3, 1.01),
                        t.renderOrder = 0,
                        o.add(t);
                        var s = new Hr(u,a);
                        s.name = "".concat(e, ".pick_volume"),
                        s.scale.set(4, 4, 1.1),
                        s.handle = e,
                        o.add(s),
                        l.pickVolumes.push(s),
                        n.setOpacity = function(e) {
                            var t = {
                                x: i.opacity
                            }
                              , e = new TWEEN.Tween(t).to({
                                x: e
                            }, 100);
                            e.onUpdate(function() {
                                o.visible = 0 < t.x,
                                s.visible = 0 < t.x,
                                i.opacity = t.x,
                                r.opacity = t.x,
                                a.opacity = .5 * t.x
                            }),
                            e.start()
                        }
                        ,
                        s.addEventListener("drag", function(e) {
                            l.dragTranslationHandle(e)
                        }),
                        s.addEventListener("drop", function(e) {
                            l.dropTranslationHandle(e)
                        })
                    }()
            }
        }, {
            key: "initializeRotationHandles",
            value: function() {
                for (var l = this, u = new Lu(1,.0225,8,64,Math.PI / 2), c = new Lu(1,1.5 * .018,8,64,Math.PI / 2), d = new Lu(1,.06,6,4,Math.PI / 2), h = 0, p = Object.keys(this.rotationHandles); h < p.length; h++)
                    !function() {
                        var e = p[h]
                          , t = l.handles[e]
                          , n = t.node;
                        l.scene.add(n);
                        var i = new $i({
                            color: t.color,
                            opacity: .6,
                            transparent: !0
                        })
                          , r = new $i({
                            color: Yv,
                            side: J,
                            opacity: .6,
                            transparent: !0
                        })
                          , a = new Xu({
                            opacity: .2,
                            transparent: !0,
                            visible: l.showPickVolumes
                        })
                          , o = new Hr(u,i);
                        o.name = "".concat(e, ".handle"),
                        o.scale.set(30, 30, 30),
                        o.lookAt(B(Cn, Q(t.alignment))),
                        n.add(o),
                        t.translateNode = o;
                        t = new Hr(c,r);
                        t.name = "".concat(e, ".outline"),
                        t.scale.set(1, 1, 1),
                        t.renderOrder = 0,
                        o.add(t);
                        var s = new Hr(d,a);
                        s.name = "".concat(e, ".pick_volume"),
                        s.scale.set(1, 1, 1),
                        s.handle = e,
                        o.add(s),
                        l.pickVolumes.push(s),
                        n.setOpacity = function(e) {
                            var t = {
                                x: i.opacity
                            }
                              , e = new TWEEN.Tween(t).to({
                                x: e
                            }, 100);
                            e.onUpdate(function() {
                                o.visible = 0 < t.x,
                                s.visible = 0 < t.x,
                                i.opacity = t.x,
                                r.opacity = t.x,
                                a.opacity = .5 * t.x
                            }),
                            e.start()
                        }
                        ,
                        s.addEventListener("drag", function(e) {
                            l.dragRotationHandle(e)
                        }),
                        s.addEventListener("drop", function(e) {
                            l.dropRotationHandle(e)
                        })
                    }()
            }
        }, {
            key: "dragRotationHandle",
            value: function(e) {
                var t = e.drag
                  , n = this.activeHandle
                  , i = this.viewer.scene.getActiveCamera();
                if (n) {
                    var r = B(Cn, Q(n.alignment))
                      , a = new Cn;
                    a.copy(B(Mn, Q(r.toArray()).concat([0])).applyMatrix4(n.node.matrixWorld)),
                    a.normalize(),
                    t.intersectionStart ? n = t.handle : (t.intersectionStart = t.location,
                    t.objectStart = t.object.getWorldPosition(new Cn),
                    t.handle = n,
                    o = (new ki).setFromNormalAndCoplanarPoint(a, t.intersectionStart),
                    t.dragPlane = o,
                    t.pivot = t.intersectionStart),
                    this.dragging = !0;
                    var e = this.viewer.inputHandler.pointer
                      , r = this.viewer.renderer.domElement
                      , o = Jf.mouseToRay(e, i, r.clientWidth, r.clientHeight).intersectPlane(t.dragPlane, new Cn);
                    if (o) {
                        var e = this.scene.getWorldPosition(new Cn)
                          , i = o
                          , r = t.pivot.clone().sub(e).normalize()
                          , e = i.clone().sub(e).normalize()
                          , s = Math.acos(r.dot(e));
                        if (s *= Math.sign(r.cross(e).dot(a)),
                        !Number.isNaN(s)) {
                            var l, u = B(Cn, Q(n.alignment)), c = ue(this.selection);
                            try {
                                for (c.s(); !(l = c.n()).done; ) {
                                    var d = l.value;
                                    d.rotateOnAxis(u, s),
                                    d.dispatchEvent({
                                        type: "orientation_changed",
                                        object: d
                                    })
                                }
                            } catch (e) {
                                c.e(e)
                            } finally {
                                c.f()
                            }
                            t.pivot = o
                        }
                    }
                }
            }
        }, {
            key: "dropRotationHandle",
            value: function(e) {
                this.dragging = !1,
                this.setActiveHandle(null)
            }
        }, {
            key: "dragTranslationHandle",
            value: function(e) {
                var t = e.drag
                  , n = this.activeHandle
                  , i = this.viewer.scene.getActiveCamera();
                !t.intersectionStart && n ? (t.intersectionStart = t.location,
                t.objectStart = t.object.getWorldPosition(new Cn),
                e = t.intersectionStart,
                r = B(Mn, Q(n.alignment).concat([0])).applyMatrix4(this.scene.matrixWorld),
                r = (new Cn).addVectors(e, r),
                r = new vh(e.clone(),r.clone()),
                r = (t.line = r).closestPointToPoint(i.position, !1, new Cn),
                r = (new Cn).subVectors(i.position, r),
                r = (new ki).setFromNormalAndCoplanarPoint(r, t.intersectionStart),
                t.dragPlane = r,
                t.pivot = t.intersectionStart) : n = t.handle,
                this.dragging = !0;
                var r = this.viewer.inputHandler.pointer
                  , n = this.viewer.renderer.domElement
                  , n = Jf.mouseToRay(r, i, n.clientWidth, n.clientHeight).intersectPlane(t.dragPlane, new Cn);
                if (n) {
                    var a, n = t.line.closestPointToPoint(n, !1, new Cn), o = (new Cn).subVectors(n, t.pivot), s = ue(this.selection);
                    try {
                        for (s.s(); !(a = s.n()).done; ) {
                            var l = a.value;
                            l.position.add(o),
                            l.dispatchEvent({
                                type: "position_changed",
                                object: l
                            })
                        }
                    } catch (e) {
                        s.e(e)
                    } finally {
                        s.f()
                    }
                    t.pivot = t.pivot.add(o)
                }
            }
        }, {
            key: "dropTranslationHandle",
            value: function(e) {
                this.dragging = !1,
                this.setActiveHandle(null)
            }
        }, {
            key: "dropScaleHandle",
            value: function(e) {
                this.dragging = !1,
                this.setActiveHandle(null)
            }
        }, {
            key: "dragScaleHandle",
            value: function(e) {
                var t = e.drag
                  , n = this.activeHandle
                  , e = this.viewer.scene.getActiveCamera();
                t.intersectionStart ? n = t.handle : (t.intersectionStart = t.location,
                t.objectStart = t.object.getWorldPosition(new Cn),
                t.handle = n,
                i = t.intersectionStart,
                a = B(Mn, Q(n.alignment).concat([0])).applyMatrix4(this.scene.matrixWorld),
                r = (new Cn).addVectors(i, a),
                a = new vh(i.clone(),r.clone()),
                i = (t.line = a).closestPointToPoint(e.position, !1, new Cn),
                r = (new Cn).subVectors(e.position, i),
                a = (new ki).setFromNormalAndCoplanarPoint(r, t.intersectionStart),
                t.dragPlane = a,
                t.pivot = t.intersectionStart),
                this.dragging = !0;
                var i = this.viewer.inputHandler.pointer
                  , r = this.viewer.renderer.domElement
                  , a = Jf.mouseToRay(i, e, r.clientWidth, r.clientHeight).intersectPlane(t.dragPlane, new Cn);
                if (a) {
                    i = t.line.closestPointToPoint(a, !1, new Cn),
                    e = n.alignment.reduce(function(e, t) {
                        return e + t
                    }, 0),
                    r = this.selection[0].matrixWorld.clone().invert(),
                    a = i.clone().applyMatrix4(r),
                    r = t.pivot.clone().applyMatrix4(r),
                    a = (new Cn).subVectors(a, r).clone().normalize();
                    0 === i.distanceTo(t.pivot) && a.set(0, 0, 0);
                    var o, r = a.dot(B(Cn, Q(n.alignment))), a = (new Cn).subVectors(i, t.pivot), s = B(Cn, Q(n.alignment)).multiplyScalar(a.length() * e * r), l = a.clone().multiplyScalar(.5), u = ue(this.selection);
                    try {
                        for (u.s(); !(o = u.n()).done; ) {
                            var c = o.value
                              , d = s.clone().divide(c.boundingBox.getSize(new Cn));
                            c.scale.add(d),
                            c.scale.x = Math.max(.1, c.scale.x),
                            c.scale.y = Math.max(.1, c.scale.y),
                            c.scale.z = Math.max(.1, c.scale.z),
                            c.position.add(l),
                            c.dispatchEvent({
                                type: "position_changed",
                                object: c
                            }),
                            c.dispatchEvent({
                                type: "scale_changed",
                                object: c
                            })
                        }
                    } catch (e) {
                        u.e(e)
                    } finally {
                        u.f()
                    }
                    t.pivot.copy(i)
                }
            }
        }, {
            key: "setActiveHandle",
            value: function(e) {
                if (!this.dragging && this.activeHandle !== e) {
                    if (null === (this.activeHandle = e))
                        for (var t = 0, n = Object.keys(this.handles); t < n.length; t++) {
                            var i = n[t];
                            this.handles[i].node.setOpacity(0)
                        }
                    for (var r = 0, a = Object.keys(this.translationHandles); r < a.length; r++) {
                        var o = a[r]
                          , o = this.translationHandles[o];
                        this.activeHandle === o ? o.node.setOpacity(1) : o.node.setOpacity(.6)
                    }
                    for (var s = 0, l = Object.keys(this.rotationHandles); s < l.length; s++) {
                        var u = l[s];
                        this.rotationHandles[u].node.setOpacity(.6)
                    }
                    for (var c = 0, d = Object.keys(this.scaleHandles); c < d.length; c++) {
                        var h = d[c]
                          , h = this.scaleHandles[h];
                        if (this.activeHandle === h) {
                            h.node.setOpacity(1);
                            for (var p = 0, f = Object.keys(this.translationHandles); p < f.length; p++) {
                                var m = f[p];
                                this.translationHandles[m].node.setOpacity(.6)
                            }
                        } else
                            h.node.setOpacity(.6)
                    }
                    e && e.node.setOpacity(1)
                }
            }
        }, {
            key: "update",
            value: function() {
                var t = this;
                if (1 === this.selection.length) {
                    this.scene.visible = !0,
                    this.scene.updateMatrix(),
                    this.scene.updateMatrixWorld();
                    var e, n, i, r, a = this.selection[0], o = (a.matrixWorld,
                    this.viewer.scene.getActiveCamera()), s = this.viewer.renderer.domElement, l = this.viewer.inputHandler.pointer, u = a.boundingBox.getCenter(new Cn).clone().applyMatrix4(a.matrixWorld);
                    this.scene.scale.copy(a.boundingBox.getSize(new Cn).multiply(a.scale)),
                    this.scene.position.copy(u),
                    this.scene.rotation.copy(a.rotation),
                    this.scene.updateMatrixWorld(),
                    this.dragging || (m = this.scene.matrixWorld.clone().invert(),
                    e = o.getWorldPosition(new Cn).applyMatrix4(m),
                    n = this.rotationHandles["rotation.x"].node.rotation,
                    i = this.rotationHandles["rotation.y"].node.rotation,
                    r = this.rotationHandles["rotation.z"].node.rotation,
                    n.order = "ZYX",
                    i.order = "ZYX",
                    a = !(u = 0 < e.z),
                    m = Math.PI / 2,
                    u ? 0 < e.x && 0 < e.y ? (n.x = m,
                    i.y = 3 * m,
                    r.z = 0 * m) : e.x < 0 && 0 < e.y ? (n.x = m,
                    i.y = 2 * m,
                    r.z = m) : e.x < 0 && e.y < 0 ? (n.x = 2 * m,
                    i.y = 2 * m,
                    r.z = 2 * m) : 0 < e.x && e.y < 0 && (n.x = 2 * m,
                    i.y = 3 * m,
                    r.z = 3 * m) : a && (0 < e.x && 0 < e.y ? (n.x = 0 * m,
                    i.y = 0 * m,
                    r.z = 0 * m) : e.x < 0 && 0 < e.y ? (n.x = 0 * m,
                    i.y = m,
                    r.z = m) : e.x < 0 && e.y < 0 ? (n.x = 3 * m,
                    i.y = m,
                    r.z = 2 * m) : 0 < e.x && e.y < 0 && (n.x = 3 * m,
                    i.y = 0 * m,
                    r.z = 3 * m)));
                    for (var c = 0, d = Object.keys(this.handles); c < d.length; c++) {
                        var h = d[c]
                          , p = this.handles[h].node
                          , f = p.getWorldPosition(new Cn).distanceTo(o.position)
                          , h = Jf.projectedRadius(1, o, f, s.clientWidth, s.clientHeight)
                          , f = p.parent.getWorldScale(new Cn)
                          , h = 8 / h
                          , h = new Cn(h,h,h).divide(f)
                          , f = (new ni).makeRotationFromEuler(p.rotation).clone().invert();
                        h.applyMatrix4(f),
                        h.x = Math.abs(h.x),
                        h.y = Math.abs(h.y),
                        h.z = Math.abs(h.z),
                        p.scale.copy(h)
                    }
                    var m = Jf.mouseToRay(l, o, s.clientWidth, s.clientHeight)
                      , l = new sh(m.origin,m.direction);
                    l.layers.enableAll();
                    var m = this.pickVolumes.filter(function(e) {
                        e = e.handle.split(".")[0];
                        return t.modesEnabled[e]
                    })
                      , m = l.intersectObjects(m, !0);
                    0 < m.length ? (m = m[0].object.handle,
                    console.log(m),
                    this.setActiveHandle(this.handles[m])) : this.setActiveHandle(null);
                    for (var v = 0, g = Object.keys(this.scaleHandles); v < g.length; v++) {
                        var y = g[v]
                          , y = this.handles[y];
                        y.node,
                        y.alignment
                    }
                } else
                    this.scene.visible = !1
            }
        }]),
        r
    }()
      , Qv = function() {
        y(o, hn);
        var a = w(o);
        function o(e) {
            var t;
            O(this, o),
            (t = a.call(this)).viewer = e,
            t.renderer = e.renderer,
            t.addEventListener("start_inserting_volume", function(e) {
                t.viewer.dispatchEvent({
                    type: "cancel_insertions"
                })
            }),
            t.scene = new gs,
            t.scene.name = "scene_volume",
            t.viewer.inputHandler.registerInteractiveScene(t.scene),
            t.onRemove = function(e) {
                t.scene.remove(e.volume)
            }
            ,
            t.onAdd = function(e) {
                t.scene.add(e.volume)
            }
            ;
            var n, i = ue(e.scene.volumes);
            try {
                for (i.s(); !(n = i.n()).done; ) {
                    var r = n.value;
                    t.onAdd({
                        volume: r
                    })
                }
            } catch (e) {
                i.e(e)
            } finally {
                i.f()
            }
            return t.viewer.inputHandler.addEventListener("delete", function(e) {
                e.selection.filter(function(e) {
                    return e instanceof Yp
                }).forEach(function(e) {
                    return t.viewer.scene.removeVolume(e)
                })
            }),
            e.addEventListener("update", t.update.bind(g(t))),
            e.addEventListener("render.pass.scene", function(e) {
                return t.render(e)
            }),
            e.addEventListener("scene_changed", t.onSceneChange.bind(g(t))),
            e.scene.addEventListener("volume_added", t.onAdd),
            e.scene.addEventListener("volume_removed", t.onRemove),
            t
        }
        return h(o, [{
            key: "onSceneChange",
            value: function(e) {
                e.oldScene && (e.oldScene.removeEventListeners("volume_added", this.onAdd),
                e.oldScene.removeEventListeners("volume_removed", this.onRemove)),
                e.scene.addEventListener("volume_added", this.onAdd),
                e.scene.addEventListener("volume_removed", this.onRemove)
            }
        }, {
            key: "startInsertion",
            value: function() {
                var n = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , i = new (e.type || Zp);
                i.clip = e.clip || !1,
                i.name = e.name || "Volume",
                this.dispatchEvent({
                    type: "start_inserting_volume",
                    volume: i
                }),
                this.viewer.scene.addVolume(i);
                function t(e) {
                    i.removeEventListener("drag", a),
                    i.removeEventListener("drop", t),
                    r.callback()
                }
                var r = {
                    callback: null
                }
                  , a = function(e) {
                    var t = n.viewer.scene.getActiveCamera()
                      , e = e.intersect;
                    e && (i.position.copy(e.location),
                    t = i.getWorldPosition(new Cn).applyMatrix4(t.matrixWorldInverse),
                    t = Math.abs(t.z / 5),
                    i.scale.set(t, t, t))
                };
                return r.callback = function(e) {
                    i.removeEventListener("drag", a),
                    i.removeEventListener("drop", t),
                    n.viewer.removeEventListener("cancel_insertions", r.callback)
                }
                ,
                i.addEventListener("drag", a),
                i.addEventListener("drop", t),
                this.viewer.addEventListener("cancel_insertions", r.callback),
                this.viewer.inputHandler.startDragging(i),
                i
            }
        }, {
            key: "update",
            value: function() {
                if (this.viewer.scene) {
                    this.viewer.scene.getActiveCamera();
                    var e, t = this.viewer.renderer.getSize(new yn), n = (t.width,
                    t.height,
                    ue(this.viewer.scene.volumes));
                    try {
                        for (n.s(); !(e = n.n()).done; )
                            e.value
                    } catch (e) {
                        n.e(e)
                    } finally {
                        n.f()
                    }
                }
            }
        }, {
            key: "render",
            value: function(e) {
                var t = this.viewer.renderer
                  , n = t.getRenderTarget();
                e.renderTarget && t.setRenderTarget(e.renderTarget),
                t.render(this.scene, this.viewer.scene.getActiveCamera()),
                t.setRenderTarget(n)
            }
        }]),
        o
    }()
      , Kv = function() {
        function e(i) {
            var r = this;
            O(this, e),
            this.viewer = i,
            this.visible = !1,
            this.dom = this.createElement(),
            i.addEventListener("update", function() {
                var e = i.scene.view.direction.clone();
                e.z = 0,
                e.normalize();
                var t = i.scene.getActiveCamera().getWorldPosition(new Cn)
                  , n = t.clone().add(e)
                  , e = i.getProjection()
                  , e = Jf.computeAzimuth(t, n, e);
                r.dom.css("transform", "rotateZ(".concat(-e, "rad)"))
            }),
            this.dom.click(function() {
                i.setTopView()
            }),
            $(i.renderArea).append(this.dom),
            this.setVisible(this.visible)
        }
        return h(e, [{
            key: "setVisible",
            value: function(e) {
                this.visible = e,
                this.dom.css("display", e ? "" : "none")
            }
        }, {
            key: "isVisible",
            value: function() {
                return this.visible
            }
        }, {
            key: "createElement",
            value: function() {
                return $('<img src="'.concat(Potree.resourcePath, '/images/compas.svg" ').concat('style="position: absolute; top: 10px; right: 10px; z-index: 10000; width: 64px;"', " />"))
            }
        }]),
        e
    }()
      , $v = function() {
        function t(e) {
            O(this, t),
            this.viewer = e,
            this.edlMaterial = null,
            this.rtEDLs = new Map,
            this.gl = e.renderer.getContext(),
            e.addEventListener("resize", this.resize.bind(this)),
            this.initEDL(e)
        }
        return h(t, [{
            key: "initEDL",
            value: function(e) {
                null == this.edlMaterial && (this.edlMaterial = new _v,
                this.edlMaterial.depthTest = !0,
                this.edlMaterial.depthWrite = !0,
                this.edlMaterial.transparent = !0)
            }
        }, {
            key: "resize",
            value: function(e) {
                jp.EXT_DEPTH.isSupported() && (e = e.viewport,
                this.getRtEDL(e).setSize(e.resolution2.x, e.resolution2.y))
            }
        }, {
            key: "clearTargets",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , t = this.viewer.renderer
                  , n = t.getRenderTarget();
                e.target && (t.setRenderTarget(e.target),
                t.clear()),
                jp.EXT_DEPTH.isSupported() && (e.rtEDL ? (t.setRenderTarget(e.rtEDL),
                t.clear()) : (e = this.getRtEDL(e.viewport)) && (t.setRenderTarget(e),
                t.clear(!0, !0, !0))),
                t.setRenderTarget(n)
            }
        }, {
            key: "getRtEDL",
            value: function(e) {
                e || (console.warn("getRtEDL没传viewport!!!! !!!!!!!!!!"),
                e = viewer.mainViewport);
                var t = this.rtEDLs.get(e);
                return t || jp.EXT_DEPTH.isSupported() && (t = new An(e.resolution2.x,e.resolution2.y,{
                    minFilter: Re,
                    magFilter: Re,
                    format: et,
                    type: Xe,
                    depthTexture: new El(void 0,void 0,We)
                }),
                this.rtEDLs.set(e, t)),
                t
            }
        }, {
            key: "renderShadowMap",
            value: function(e, t, n) {
                var i = this.viewer;
                if (0 < n.length && !n[0].disableShadowUpdates) {
                    n = n[0];
                    this.shadowMap.setLight(n);
                    var r, a = new Map, o = ue(i.scene.pointclouds);
                    try {
                        for (o.s(); !(r = o.n()).done; ) {
                            var s = r.value;
                            a.set(s, s.material.activeAttributeName),
                            s.material.disableEvents(),
                            s.material.activeAttributeName = "depth"
                        }
                    } catch (e) {
                        o.e(e)
                    } finally {
                        o.f()
                    }
                    this.shadowMap.render(i.scene.scenePointCloud, t);
                    var l, u = ue(e);
                    try {
                        for (u.s(); !(l = u.n()).done; ) {
                            var c = l.value
                              , d = a.get(c);
                            c.material.activeAttributeName = d,
                            c.material.enableEvents()
                        }
                    } catch (e) {
                        u.e(e)
                    } finally {
                        u.f()
                    }
                    i.shadowTestCam.updateMatrixWorld(),
                    i.shadowTestCam.matrixWorldInverse.copy(i.shadowTestCam.matrixWorld).invert(),
                    i.shadowTestCam.updateProjectionMatrix()
                }
            }
        }, {
            key: "render",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , t = this.viewer
                  , n = e.camera || t.scene.getActiveCamera()
                  , i = e.viewport ? e.viewport.resolution2 : this.viewer.renderer.getSize(new yn)
                  , r = [];
                t.renderer.setRenderTarget(e.target || null);
                var a = e.background || t.background
                  , o = (null == e.backgroundOpacity ? t : e).backgroundOpacity;
                if ((0 != o && ("skybox" === a ? (t.skybox.camera.rotation.copy(t.scene.cameraP.rotation),
                t.skybox.camera.fov = t.scene.cameraP.fov,
                t.skybox.camera.aspect = t.scene.cameraP.aspect,
                t.skybox.parent.rotation.x = 0,
                t.skybox.parent.updateMatrixWorld(),
                t.skybox.camera.updateProjectionMatrix(),
                t.renderer.render(t.skybox.scene, t.skybox.camera)) : "gradient" === a ? (t.scene.cameraBG.layers.set(Potree.config.renderLayers.bg),
                t.renderer.render(t.scene.scene, t.scene.cameraBG)) : "overlayColor" === a && (t.scene.bg2.material.color.copy(e.backgroundColor),
                t.scene.bg2.material.opacity = e.backgroundOpacity,
                t.scene.cameraBG.layers.set(Potree.config.renderLayers.bg2),
                t.renderer.render(t.scene.scene, t.scene.cameraBG))),
                !e.magnifier) && (t.setCameraLayers(n, ["skybox"]),
                "showPanos" == Potree.settings.displayMode && t.images360.currentPano.pointcloud.hasDepthTex && jp.EXT_DEPTH.isSupported() && (u = !0,
                t.renderer.setRenderTarget(e.rtEDL || this.getRtEDL(e.viewport)),
                t.renderer.render(t.scene.scene, n),
                t.renderer.setRenderTarget(e.target || null)),
                t.renderer.render(t.scene.scene, n),
                u))
                    return;
                var s = t.scene.pointclouds.filter(function(e) {
                    return t.getObjVisiByReason(e, "datasetSelection")
                })
                  , o = e.magnifier ? 0 < s.length : t.scene.pointclouds.some(function(e) {
                    return e.visible
                });
                s.forEach(function(e) {
                    e.oldVisi = e.visible,
                    e.visible = !0
                }),
                t.setCameraLayers(n, ["pointcloud"]),
                n.layers.set(Potree.config.renderLayers.pointcloud);
                var l, u, c = ue(s);
                try {
                    for (c.s(); !(l = c.n()).done; ) {
                        var d = l.value
                          , h = d.material
                          , p = d.pcoGeometry.boundingBox.getSize(new Cn).x;
                        h.fov = gn.degToRad(n.fov),
                        h.resolution = i,
                        h.spacing = d.pcoGeometry.spacing,
                        h.near = n.near,
                        h.far = n.far,
                        h.uniforms.octreeSize.value = p,
                        t.useEDL && "showPanos" != Potree.settings.displayMode ? h.useEDL = !0 : h.useEDL = !1
                    }
                } catch (e) {
                    c.e(e)
                } finally {
                    c.f()
                }
                jp.EXT_DEPTH.isSupported() && !e.dontRenderRtEDL && (t.renderer.setRenderTarget(e.rtEDL || this.getRtEDL(e.viewport)),
                0 < s.length && t.pRenderer.render(t.scene.scenePointCloud, n, e.rtEDL || this.getRtEDL(e.viewport), {
                    shadowMaps: 0 < r.length ? [this.shadowMap] : null,
                    clipSpheres: t.scene.volumes.filter(function(e) {
                        return e instanceof Qp
                    }),
                    transparent: !1
                }),
                Potree.settings.intersectOnObjs && (n.layers.set(Potree.config.renderLayers.model),
                t.renderer.render(t.scene.scene, n))),
                t.dispatchEvent({
                    type: "render.pass.scene",
                    viewer: t
                }),
                t.renderer.setRenderTarget(e.target || null),
                e.magnifier || s.forEach(function(e) {
                    e.visible = e.oldVisi
                }),
                o && (t.useEDL ? ((a = this.edlMaterial.uniforms).resolution.value.copy(i),
                a.edlStrength.value = t.edlStrength,
                a.radius.value = t.edlRadius,
                a.useEDL.value = 1,
                u = n.projectionMatrix,
                (o = new Float32Array(16)).set(u.elements),
                a.uProj.value = o,
                a.uEDLColor.value = (e.rtEDL || this.getRtEDL(e.viewport)).texture,
                a.opacity.value = t.edlOpacity,
                Jf.screenPass.render(t.renderer, this.edlMaterial, e.target)) : t.pRenderer.render(t.scene.scenePointCloud, n, null, {
                    shadowMaps: 0 < r.length ? [this.shadowMap] : null,
                    clipSpheres: t.scene.volumes.filter(function(e) {
                        return e instanceof Qp
                    })
                })),
                s.forEach(function(e) {
                    e.visible = e.oldVisi
                })
            }
        }]),
        t
    }()
      , eg = function() {
        function t(e) {
            O(this, t),
            this.viewer = e,
            this.depthMaterials = new Map,
            this.attributeMaterials = new Map,
            this.normalizationMaterial = null,
            this.rtDepth = null,
            this.rtAttribute = null,
            this.gl = e.renderer.getContext(),
            this.initialized = !1,
            e.addEventListener("resize", this.resize.bind(this))
        }
        return h(t, [{
            key: "init",
            value: function() {
                this.initialized || (this.normalizationMaterial = new Av,
                this.normalizationMaterial.depthTest = !0,
                this.normalizationMaterial.depthWrite = !0,
                this.normalizationMaterial.transparent = !0,
                this.normalizationEDLMaterial = new Mv,
                this.normalizationEDLMaterial.depthTest = !0,
                this.normalizationEDLMaterial.depthWrite = !0,
                this.normalizationEDLMaterial.transparent = !0,
                this.rtDepth = new An(1024,1024,{
                    minFilter: Re,
                    magFilter: Re,
                    format: et,
                    type: Xe,
                    depthTexture: new El(void 0,void 0,We)
                }),
                this.rtAttribute = new An(1024,1024,{
                    minFilter: Re,
                    magFilter: Re,
                    format: et,
                    type: Xe,
                    depthTexture: this.rtDepth.depthTexture
                }),
                this.initialized = !0)
            }
        }, {
            key: "resize",
            value: function(e) {
                this.rtDepth.setSize(e.canvasWidth, e.canvasHeight),
                this.rtAttribute.setSize(e.canvasWidth, e.canvasHeight)
            }
        }, {
            key: "clearTargets",
            value: function(e) {
                var t = this.viewer.renderer
                  , n = t.getRenderTarget();
                e.target && (t.setRenderTarget(e.target),
                t.clear()),
                t.setClearColor(0, 0),
                t.setRenderTarget(this.rtDepth),
                t.clear(!0, !0, !0),
                t.setRenderTarget(this.rtAttribute),
                t.clear(!0, !0, !0),
                t.setRenderTarget(n)
            }
        }, {
            key: "clear",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                this.init();
                var t = this.viewer
                  , n = t.renderer
                  , t = t.background;
                "skybox" === t || "gradient" === t ? n.setClearColor(0, 0) : "black" === t ? n.setClearColor(0, 1) : "white" === t ? n.setClearColor(16777215, 1) : n.setClearColor(0, 0),
                e.target || n.clear(),
                this.clearTargets(e)
            }
        }, {
            key: "render",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                this.init();
                var t = this.viewer
                  , n = e.camera || t.scene.getActiveCamera()
                  , i = e.width ? e : this.viewer.renderer.getSize(new yn)
                  , r = i.width
                  , a = i.height;
                t.renderer.setRenderTarget(e.target || null),
                t.dispatchEvent({
                    type: "render.pass.begin",
                    viewer: t
                });
                var o, i = t.scene.pointclouds.filter(function(e) {
                    return e.visible
                }), s = new Map, l = ue(i);
                try {
                    for (l.s(); !(o = l.n()).done; ) {
                        var u, c, d = o.value;
                        s.set(d, d.material),
                        this.attributeMaterials.has(d) || (u = new Rm,
                        this.attributeMaterials.set(d, u)),
                        this.depthMaterials.has(d) || ((c = new Rm).setDefine("depth_pass", "#define hq_depth_pass"),
                        c.setDefine("use_edl", "#define use_edl"),
                        this.depthMaterials.set(d, c))
                    }
                } catch (e) {
                    l.e(e)
                } finally {
                    l.f()
                }
                var h, p = ue(i);
                try {
                    for (p.s(); !(h = p.n()).done; ) {
                        var f = h.value
                          , m = f.pcoGeometry.boundingBox.getSize(new Cn).x
                          , v = s.get(f)
                          , g = this.depthMaterials.get(f);
                        g.size = v.size,
                        g.minSize = v.minSize,
                        g.maxSize = v.maxSize,
                        g.pointSizeType = v.pointSizeType,
                        g.visibleNodesTexture = v.visibleNodesTexture,
                        g.weighted = !1,
                        g.screenWidth = r,
                        g.shape = om.CIRCLE,
                        g.screenHeight = a,
                        g.uniforms.visibleNodes.value = v.visibleNodesTexture,
                        g.uniforms.octreeSize.value = m,
                        g.spacing = f.pcoGeometry.spacing,
                        g.classification = v.classification,
                        g.uniforms.classificationLUT.value.image.data = v.uniforms.classificationLUT.value.image.data,
                        g.classificationTexture.needsUpdate = !0,
                        g.uniforms.uFilterReturnNumberRange.value = v.uniforms.uFilterReturnNumberRange.value,
                        g.uniforms.uFilterNumberOfReturnsRange.value = v.uniforms.uFilterNumberOfReturnsRange.value,
                        g.uniforms.uFilterGPSTimeClipRange.value = v.uniforms.uFilterGPSTimeClipRange.value,
                        g.uniforms.uFilterPointSourceIDClipRange.value = v.uniforms.uFilterPointSourceIDClipRange.value,
                        g.clipTask = v.clipTask,
                        g.clipMethod = v.clipMethod,
                        g.setClipBoxes(v.clipBoxes),
                        g.setClipPolygons(v.clipPolygons),
                        f.material = g
                    }
                } catch (e) {
                    p.e(e)
                } finally {
                    p.f()
                }
                t.pRenderer.render(t.scene.scenePointCloud, n, e.rtEDL || this.rtDepth, {
                    clipSpheres: t.scene.volumes.filter(function(e) {
                        return e instanceof Qp
                    })
                });
                var y, w = ue(i);
                try {
                    for (w.s(); !(y = w.n()).done; ) {
                        var b = y.value
                          , x = b.pcoGeometry.boundingBox.getSize(new Cn).x
                          , E = s.get(b)
                          , _ = this.attributeMaterials.get(b);
                        _.size = E.size,
                        _.minSize = E.minSize,
                        _.maxSize = E.maxSize,
                        _.pointSizeType = E.pointSizeType,
                        _.activeAttributeName = E.activeAttributeName,
                        _.visibleNodesTexture = E.visibleNodesTexture,
                        _.weighted = !0,
                        _.screenWidth = r,
                        _.screenHeight = a,
                        _.shape = om.CIRCLE,
                        _.uniforms.visibleNodes.value = E.visibleNodesTexture,
                        _.uniforms.octreeSize.value = x,
                        _.spacing = b.pcoGeometry.spacing,
                        _.classification = E.classification,
                        _.uniforms.classificationLUT.value.image.data = E.uniforms.classificationLUT.value.image.data,
                        _.classificationTexture.needsUpdate = !0,
                        _.uniforms.uFilterReturnNumberRange.value = E.uniforms.uFilterReturnNumberRange.value,
                        _.uniforms.uFilterNumberOfReturnsRange.value = E.uniforms.uFilterNumberOfReturnsRange.value,
                        _.uniforms.uFilterGPSTimeClipRange.value = E.uniforms.uFilterGPSTimeClipRange.value,
                        _.uniforms.uFilterPointSourceIDClipRange.value = E.uniforms.uFilterPointSourceIDClipRange.value,
                        _.elevationGradientRepeat = E.elevationGradientRepeat,
                        _.elevationRange = E.elevationRange,
                        _.gradient = E.gradient,
                        _.matcap = E.matcap,
                        _.intensityRange = E.intensityRange,
                        _.intensityGamma = E.intensityGamma,
                        _.intensityContrast = E.intensityContrast,
                        _.intensityBrightness = E.intensityBrightness,
                        _.rgbGamma = E.rgbGamma,
                        _.rgbContrast = E.rgbContrast,
                        _.rgbBrightness = E.rgbBrightness,
                        _.weightRGB = E.weightRGB,
                        _.weightIntensity = E.weightIntensity,
                        _.weightElevation = E.weightElevation,
                        _.weightRGB = E.weightRGB,
                        _.weightClassification = E.weightClassification,
                        _.weightReturnNumber = E.weightReturnNumber,
                        _.weightSourceID = E.weightSourceID,
                        _.color = E.color,
                        _.clipTask = E.clipTask,
                        _.clipMethod = E.clipMethod,
                        _.setClipBoxes(E.clipBoxes),
                        _.setClipPolygons(E.clipPolygons),
                        b.material = _
                    }
                } catch (e) {
                    w.e(e)
                } finally {
                    w.f()
                }
                i = this.gl;
                t.pRenderer.render(t.scene.scenePointCloud, n, this.rtAttribute, {
                    clipSpheres: t.scene.volumes.filter(function(e) {
                        return e instanceof Qp
                    }),
                    blendFunc: [i.SRC_ALPHA, i.ONE],
                    depthWrite: !1
                });
                var M, A = ue(s);
                try {
                    for (A.s(); !(M = A.n()).done; ) {
                        var T = N(M.value, 2)
                          , S = T[0]
                          , C = T[1];
                        S.material = C
                    }
                } catch (e) {
                    A.e(e)
                } finally {
                    A.f()
                }
                "skybox" === t.background ? (t.renderer.setClearColor(0, 0),
                t.renderer.clear(),
                t.skybox.camera.rotation.copy(t.scene.cameraP.rotation),
                t.skybox.camera.fov = t.scene.cameraP.fov,
                t.skybox.camera.aspect = t.scene.cameraP.aspect,
                t.skybox.parent.rotation.x = 0,
                t.skybox.parent.updateMatrixWorld(),
                t.skybox.camera.updateProjectionMatrix(),
                t.renderer.render(t.skybox.scene, t.skybox.camera)) : "gradient" === t.background ? (t.renderer.setClearColor(0, 0),
                t.renderer.clear(),
                t.renderer.render(t.scene.sceneBG, t.scene.cameraBG)) : ("black" === t.background ? t.renderer.setClearColor(0, 1) : "white" === t.background ? t.renderer.setClearColor(16777215, 1) : t.renderer.setClearColor(0, 0),
                t.renderer.clear());
                i = this.useEDL ? this.normalizationEDLMaterial : this.normalizationMaterial;
                this.useEDL && (i.uniforms.edlStrength.value = t.edlStrength,
                i.uniforms.radius.value = t.edlRadius,
                i.uniforms.screenWidth.value = r,
                i.uniforms.screenHeight.value = a,
                i.uniforms.uEDLMap.value = (e.rtEDL || this.rtDepth).texture),
                i.uniforms.uWeightMap.value = this.rtAttribute.texture,
                i.uniforms.uDepthMap.value = this.rtAttribute.depthTexture,
                Jf.screenPass.render(t.renderer, i),
                t.renderer.render(t.scene.scene, n),
                t.dispatchEvent({
                    type: "render.pass.scene",
                    viewer: t
                }),
                t.renderer.render(t.scene.sceneOverlay, n),
                t.renderer.clearDepth(),
                t.transformationTool.update(),
                e.target || (t.dispatchEvent({
                    type: "render.pass.perspective_overlay",
                    viewer: t,
                    camera: n
                }),
                t.renderer.render(t.overlay, n)),
                t.renderer.render(t.controls.sceneControls, n),
                t.renderer.render(t.clippingTool.sceneVolume, n),
                t.renderer.render(t.transformationTool.scene, n),
                t.renderer.setViewport(r - t.navigationCube.width, a - t.navigationCube.width, t.navigationCube.width, t.navigationCube.width),
                t.renderer.render(t.navigationCube, t.navigationCube.camera),
                t.renderer.setViewport(0, 0, r, a),
                t.dispatchEvent({
                    type: "render.pass.end",
                    viewer: t
                }),
                t.renderer.setRenderTarget(null)
            }
        }]),
        t
    }()
      , tg = 0
      , ng = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).position = new Cn(0,0,0),
            e.yaw = 0,
            e._pitch = 0,
            e.radius = 1,
            e.maxPitch = Math.PI / 2,
            e.minPitch = -Math.PI / 2,
            e.sid = tg++,
            e.LookTransition = "LookTransition" + e.sid,
            e
        }
        return h(n, [{
            key: "applyToCamera",
            value: function(e) {
                e.position.copy(this.position),
                e.rotation.copy(this.rotation),
                e.updateMatrix(),
                e.updateMatrixWorld()
            }
        }, {
            key: "rotation",
            get: function() {
                var e = new ci;
                return e.order = "ZXY",
                e.x = Math.PI / 2 + this.pitch,
                e.z = this.yaw,
                e
            },
            set: function(e) {
                this.direction = new Cn(0,0,-1).applyEuler(e)
            }
        }, {
            key: "copy",
            value: function(e) {
                Fm.CopyClassObject(this, e)
            }
        }, {
            key: "clone",
            value: function() {
                return Fm.CloneClassObject(this)
            }
        }, {
            key: "pitch",
            get: function() {
                return this._pitch
            },
            set: function(e) {
                this._pitch = Math.max(Math.min(e, this.maxPitch), this.minPitch)
            }
        }, {
            key: "direction",
            get: function() {
                var e = new Cn(0,1,0);
                return e.applyAxisAngle(new Cn(1,0,0), this.pitch),
                e.applyAxisAngle(new Cn(0,0,1), this.yaw),
                e
            },
            set: function(e) {
                var t;
                0 === e.x && 0 === e.y ? this.pitch = Math.PI / 2 * Math.sign(e.z) : (t = Math.atan2(e.y, e.x) - Math.PI / 2,
                e = Math.atan2(e.z, Math.sqrt(e.x * e.x + e.y * e.y)),
                this.yaw = t,
                this.pitch = e)
            }
        }, {
            key: "lookAt",
            value: function(e) {
                1 === arguments.length ? t = (new Cn).subVectors(e, this.position) : 3 === arguments.length && (t = (new Cn).subVectors(B(Cn, Array.prototype.slice.call(arguments)), this.position));
                var e = t.length()
                  , t = t.normalize();
                this.radius = e,
                this.direction = t
            }
        }, {
            key: "getPivot",
            value: function() {
                return (new Cn).addVectors(this.position, this.direction.multiplyScalar(this.radius))
            }
        }, {
            key: "getSide",
            value: function() {
                var e = new Cn(1,0,0);
                return e.applyAxisAngle(new Cn(0,0,1), this.yaw),
                e
            }
        }, {
            key: "pan",
            value: function(e, t) {
                this.translate(e, 0, t)
            }
        }, {
            key: "translate",
            value: function(e, t, n) {
                var i = new Cn(0,1,0);
                i.applyAxisAngle(new Cn(1,0,0), this.pitch),
                i.applyAxisAngle(new Cn(0,0,1), this.yaw);
                var r = new Cn(1,0,0);
                r.applyAxisAngle(new Cn(0,0,1), this.yaw);
                var a = r.clone().cross(i)
                  , n = r.multiplyScalar(e).add(i.multiplyScalar(t)).add(a.multiplyScalar(n));
                this.fixZWhenPan && n.setZ(0),
                this.position = this.position.add(n),
                this.restrictPos()
            }
        }, {
            key: "translateWorld",
            value: function(e, t, n) {
                this.position.x += e,
                this.position.y += t,
                this.position.z += n,
                this.restrictPos()
            }
        }, {
            key: "restrictPos",
            value: function() {
                this.limitBound && this.position.clamp(this.limitBound.min, this.limitBound.max)
            }
        }, {
            key: "setCubeView",
            value: function(e) {
                switch (e) {
                case "front":
                    this.yaw = 0,
                    this.pitch = 0;
                    break;
                case "back":
                    this.yaw = Math.PI,
                    this.pitch = 0;
                    break;
                case "left":
                    this.yaw = -Math.PI / 2,
                    this.pitch = 0;
                    break;
                case "right":
                    this.yaw = Math.PI / 2,
                    this.pitch = 0;
                    break;
                case "top":
                    this.yaw = 0,
                    this.pitch = -Math.PI / 2;
                    break;
                case "bottom":
                    this.yaw = -Math.PI,
                    this.pitch = Math.PI / 2
                }
            }
        }, {
            key: "isFlying",
            value: function() {
                return 0 < gv.getById(this.LookTransition).length
            }
        }, {
            key: "cancelFlying",
            value: function() {
                gv.cancelById(this.LookTransition, !0)
            }
        }, {
            key: "setView",
            value: function() {
                var r = this
                  , a = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                this.cancelFlying();
                function e() {
                    function e() {
                        a.callback && a.callback(),
                        r.dispatchEvent("flyingDone")
                    }
                    l ? r.lookAt(l) : o && (r.rotation = (new ci).setFromQuaternion(o)),
                    a.duration ? setTimeout(e, 1) : e()
                }
                var o, t = (new Cn).copy(a.position), n = this.position.clone(), i = this.getPivot(), s = Up.getQuaFromPosAim(n, i), l = null;
                a.target ? (l = (new Cn).copy(a.target),
                o = Up.getQuaFromPosAim(t, l)) : a.quaternion && (o = a.quaternion.clone()),
                a.duration ? gv.start(fv(this.position, t, function(e, t) {
                    var n, i = t;
                    o && (n = (new Sn).copy(s),
                    mv(n, o)(t),
                    r.rotation = (new ci).setFromQuaternion(n)),
                    r.restrictPos(),
                    a.onUpdate && a.onUpdate(i)
                }), a.duration, e, 0, a.Easing ? pv[a.Easing] : pv.easeInOutSine, null, this.LookTransition, a.cancelFun) : (this.position.copy(t),
                this.restrictPos(),
                a.onUpdate && a.onUpdate(1),
                e())
            }
        }, {
            key: "moveOrthoCamera",
            value: function(i, e, t, n) {
                var r, a = i.camera, o = a.zoom, s = e.endPosition, l = e.boundSize, u = e.endZoom, c = e.margin || {
                    x: 0,
                    y: 0
                };
                e.bound && (s = s || e.bound.getCenter(new Cn),
                r = (new ni).makeRotationFromEuler(this.rotation).invert(),
                l = e.bound.clone().applyMatrix4(r).getSize(new Cn)),
                l && 0 == l.x && 0 == l.y && l.set(1, 1),
                this.setView({
                    position: s,
                    duration: t,
                    callback: function() {},
                    onUpdate: function(e) {
                        var t, n;
                        (l || u) && (l && (t = l.x / l.y,
                        u = a.aspect > t ? (n = l.y,
                        (i.resolution.y - c.y) / n) : (n = l.x,
                        (i.resolution.x - c.x) / n)),
                        a.zoom = u * e + o * (1 - e),
                        a.updateProjectionMatrix())
                    },
                    Easing: n
                })
            }
        }, {
            key: "zoomOrthoCamera",
            value: function(n, i, e, t, r) {
                var a = this
                  , o = n.zoom
                  , s = new Cn(e.x,e.y,.5);
                gv.start(function(e) {
                    var t = s.clone().unproject(n);
                    n.zoom = i * e + o * (1 - e),
                    n.updateProjectionMatrix();
                    e = s.clone().unproject(n),
                    t = (new Cn).subVectors(e, t);
                    n.position.sub(t),
                    a.position.copy(n.position),
                    r && r()
                }, t, null, 0, pv.easeInOutSine, null, "zoomInView")
            }
        }]),
        n
    }()
      , ig = function() {
        y(i, Si);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).getArrow(),
            t.createArrows(),
            t
        }
        return h(i, [{
            key: "getArrow",
            value: function() {
                var e = new Si
                  , t = Sf.createLine([new Cn, new Cn(0,0,2)])
                  , n = new Hr(new Cl(.3,.3,4));
                n.position.set(0, 0, 9);
                var i = new Hr(new kl(0,.6,2,12,1,!1));
                i.position.set(0, 0, 12),
                i.rotation.set(Math.PI / 2, 0, 0),
                e.add(n),
                e.add(t),
                e.add(i),
                this.arrowGroup = e
            }
        }, {
            key: "createArrows",
            value: function() {
                var r = this;
                new $i({
                    color: "#00d7df",
                    side: 2,
                    transparent: !0,
                    opacity: .8,
                    depthWrite: !1
                });
                Object.keys(Potree.config.axis).forEach(function(e) {
                    var t = Potree.config.axis[e].color
                      , n = r.arrowGroup.clone();
                    n.children.forEach(function(e) {
                        e.material = e.material.clone(),
                        e.material.color.set(t)
                    });
                    var i = r.createLabel(e, t);
                    i.position.set(0, 0, 16),
                    n.add(i),
                    "y" == e ? n.rotation.x = -Math.PI / 2 : "x" == e && (n.rotation.y = Math.PI / 2),
                    r.add(n)
                })
            }
        }, {
            key: "createLabel",
            value: function(e, t) {
                var n = document.createElement("canvas")
                  , i = n.getContext("2d");
                n.width = 256,
                n.height = 256;
                i.fillStyle = t,
                i.font = "normal 120px 微软雅黑";
                t = i.measureText(e).width;
                i.clearRect(0, 0, n.width, n.height),
                i.fillText(e, (n.width - t) / 2, (n.height + 120) / 2);
                n = new En(n);
                n.needsUpdate = !0,
                n.minFilter = Re,
                n.magFilter = Re;
                n = new Fs(new Es({
                    map: n
                }));
                return n.renderOrder = 1,
                n.scale.set(3, 3, 3),
                n
            }
        }]),
        i
    }()
      , rg = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).annotations = new Kf,
            e.scene = new gs,
            e.scenePointCloud = new gs,
            e.cameraP = new $r(e.fov,1,Potree.config.view.near,Potree.config.view.near),
            e.cameraO = new ed(-1,1,1,-1,Potree.config.view.near,Potree.settings.cameraFar),
            e.cameraP.limitFar = !0,
            e.cameraVR = new $r,
            e.cameraBG = new Kr,
            e.cameraScreenSpace = new ed(-1,1,1,-1,.1,10),
            e.cameraMode = em.PERSPECTIVE,
            e.overrideCamera = null,
            e.pointclouds = [],
            e.measurements = [],
            e.profiles = [],
            e.volumes = [],
            e.polygonClipVolumes = [],
            e.cameraAnimations = [],
            e.orientedImages = [],
            e.images360 = [],
            e.geopackages = [],
            e.fpControls = null,
            e.orbitControls = null,
            e.earthControls = null,
            e.geoControls = null,
            e.deviceControls = null,
            e.inputHandler = null,
            e.view = new ng,
            e.directionalLight = null,
            e.initialize(),
            e.axisArrow = new ig,
            e.scene.add(e.axisArrow),
            Potree.settings.isDebug || (e.axisArrow.visible = !1),
            viewer.setObjectLayers(e.axisArrow, "bothMapAndScene"),
            e.tags = new Si,
            e.scene.add(e.tags),
            e
        }
        return h(n, [{
            key: "estimateHeightAt",
            value: function(e) {
                var t, n = null, i = 1 / 0, r = ue(this.pointclouds);
                try {
                    for (r.s(); !(t = r.n()).done; ) {
                        var a = t.value;
                        if (void 0 !== a.root.geometryNode) {
                            var o = null
                              , s = 1 / 0
                              , l = e.clone().sub(a.position);
                            l.z = 0;
                            for (var u = new ti(l,new Cn(0,0,1)), c = [a.root]; 0 < c.length; ) {
                                var d = c.pop()
                                  , h = d.getBoundingBox();
                                if (u.intersectBox(h)) {
                                    var p = d.geometryNode.mean.z + a.position.z + d.geometryNode.boundingBox.min.z;
                                    d.geometryNode.spacing <= s && (o = p,
                                    s = d.geometryNode.spacing);
                                    for (var f = 0, m = Object.keys(d.children); f < m.length; f++) {
                                        var v = m[f];
                                        d.children[v].geometryNode && c.push(d.children[v])
                                    }
                                }
                            }
                            (null === n || s < i) && (n = o,
                            i = s)
                        }
                    }
                } catch (e) {
                    r.e(e)
                } finally {
                    r.f()
                }
                return n
            }
        }, {
            key: "getBoundingBox",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : this.pointclouds
                  , t = new kn;
                this.scenePointCloud.updateMatrixWorld(!0),
                this.referenceFrame.updateMatrixWorld(!0);
                var n, i = ue(e);
                try {
                    for (i.s(); !(n = i.n()).done; ) {
                        var r = n.value;
                        r.updateMatrixWorld(!0);
                        var a = r.pcoGeometry.tightBoundingBox || r.boundingBox
                          , o = Jf.computeTransformedBoundingBox(a, r.matrixWorld);
                        t.union(o)
                    }
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
                return t
            }
        }, {
            key: "addPointCloud",
            value: function(e) {
                this.pointclouds.push(e),
                this.scenePointCloud.add(e),
                this.dispatchEvent({
                    type: "pointcloud_added",
                    pointcloud: e
                })
            }
        }, {
            key: "removePointCloud",
            value: function(e) {
                var t = this.pointclouds.indexOf(e);
                -1 != t && (this.pointclouds.splice(t, 1),
                this.scenePointCloud.remove(e),
                e.panos.forEach(function(e) {
                    e.dispose()
                }))
            }
        }, {
            key: "addVolume",
            value: function(e) {
                this.volumes.push(e),
                this.dispatchEvent({
                    type: "volume_added",
                    scene: this,
                    volume: e
                })
            }
        }, {
            key: "addOrientedImages",
            value: function(e) {
                this.orientedImages.push(e),
                this.scene.add(e.node),
                this.dispatchEvent({
                    type: "oriented_images_added",
                    scene: this,
                    images: e
                })
            }
        }, {
            key: "removeOrientedImages",
            value: function(e) {
                var t = this.orientedImages.indexOf(e);
                -1 < t && (this.orientedImages.splice(t, 1),
                this.dispatchEvent({
                    type: "oriented_images_removed",
                    scene: this,
                    images: e
                }))
            }
        }, {
            key: "add360Images",
            value: function(e) {
                this.images360.push(e),
                this.scene.add(e.node),
                this.dispatchEvent({
                    type: "360_images_added",
                    scene: this,
                    images: e
                })
            }
        }, {
            key: "remove360Images",
            value: function(e) {
                var t = this.images360.indexOf(e);
                -1 < t && (this.images360.splice(t, 1),
                this.dispatchEvent({
                    type: "360_images_removed",
                    scene: this,
                    images: e
                }))
            }
        }, {
            key: "addGeopackage",
            value: function(e) {
                this.geopackages.push(e),
                this.scene.add(e.node),
                this.dispatchEvent({
                    type: "geopackage_added",
                    scene: this,
                    geopackage: e
                })
            }
        }, {
            key: "removeGeopackage",
            value: function(e) {
                var t = this.geopackages.indexOf(e);
                -1 < t && (this.geopackages.splice(t, 1),
                this.dispatchEvent({
                    type: "geopackage_removed",
                    scene: this,
                    geopackage: e
                }))
            }
        }, {
            key: "removeVolume",
            value: function(e) {
                var t = this.volumes.indexOf(e);
                -1 < t && (this.volumes.splice(t, 1),
                this.dispatchEvent({
                    type: "volume_removed",
                    scene: this,
                    volume: e
                }))
            }
        }, {
            key: "addCameraAnimation",
            value: function(e) {
                this.cameraAnimations.push(e),
                this.dispatchEvent({
                    type: "camera_animation_added",
                    scene: this,
                    animation: e
                })
            }
        }, {
            key: "removeCameraAnimation",
            value: function(e) {
                var t = this.cameraAnimations.indexOf(e);
                -1 < t && (this.cameraAnimations.splice(t, 1),
                this.dispatchEvent({
                    type: "camera_animation_removed",
                    scene: this,
                    animation: e
                }))
            }
        }, {
            key: "addPolygonClipVolume",
            value: function(e) {
                this.polygonClipVolumes.push(e),
                this.dispatchEvent({
                    type: "polygon_clip_volume_added",
                    scene: this,
                    volume: e
                })
            }
        }, {
            key: "removePolygonClipVolume",
            value: function(e) {
                var t = this.polygonClipVolumes.indexOf(e);
                -1 < t && (this.polygonClipVolumes.splice(t, 1),
                this.dispatchEvent({
                    type: "polygon_clip_volume_removed",
                    scene: this,
                    volume: e
                }))
            }
        }, {
            key: "addMeasurement",
            value: function(e) {
                e.lengthUnit = this.lengthUnit,
                e.lengthUnitDisplay = this.lengthUnitDisplay,
                this.measurements.push(e),
                this.dispatchEvent({
                    type: "measurement_added",
                    scene: this,
                    measurement: e
                })
            }
        }, {
            key: "removeMeasurement",
            value: function(e) {
                var t = this.measurements.indexOf(e);
                -1 < t && (this.measurements.splice(t, 1),
                this.dispatchEvent({
                    type: "measurement_removed",
                    scene: this,
                    measurement: e
                }))
            }
        }, {
            key: "addProfile",
            value: function(e) {
                this.profiles.push(e),
                this.dispatchEvent({
                    type: "profile_added",
                    scene: this,
                    profile: e
                })
            }
        }, {
            key: "removeProfile",
            value: function(e) {
                var t = this.profiles.indexOf(e);
                -1 < t && (this.profiles.splice(t, 1),
                this.dispatchEvent({
                    type: "profile_removed",
                    scene: this,
                    profile: e
                }))
            }
        }, {
            key: "removeAllMeasurements",
            value: function() {
                for (; 0 < this.measurements.length; )
                    this.removeMeasurement(this.measurements[0]);
                for (; 0 < this.profiles.length; )
                    this.removeProfile(this.profiles[0]);
                for (; 0 < this.volumes.length; )
                    this.removeVolume(this.volumes[0])
            }
        }, {
            key: "removeAllClipVolumes",
            value: function() {
                var e, t = ue(this.volumes.filter(function(e) {
                    return !0 === e.clip
                }));
                try {
                    for (t.s(); !(e = t.n()).done; ) {
                        var n = e.value;
                        this.removeVolume(n)
                    }
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                for (; 0 < this.polygonClipVolumes.length; )
                    this.removePolygonClipVolume(this.polygonClipVolumes[0])
            }
        }, {
            key: "getActiveCamera",
            value: function() {
                return viewer.mainViewport.camera
            }
        }, {
            key: "initialize",
            value: function() {
                this.referenceFrame = new Si,
                this.referenceFrame.matrixAutoUpdate = !1,
                this.scenePointCloud.add(this.referenceFrame),
                window.axisYup || (this.cameraP.up.set(0, 0, 1),
                this.cameraO.up.set(0, 0, 1)),
                this.cameraP.position.set(1e3, 1e3, 1e3),
                this.cameraO.position.set(1e3, 1e3, 1e3),
                this.cameraScreenSpace.lookAt(new Cn(0,0,0), new Cn(0,0,-1), new Cn(0,1,0)),
                this.directionalLight = new nd(16777215,.5),
                this.directionalLight.position.set(10, 10, 10),
                this.directionalLight.lookAt(new Cn(0,0,0)),
                this.scenePointCloud.add(this.directionalLight);
                var e = new id(5592405);
                this.scenePointCloud.add(e);
                e = new id(16777215,1);
                viewer.setObjectLayers(e, "bothMapAndScene"),
                this.scene.add(e);
                e = new nd(16777215,1);
                e.position.set(10, 10, 10),
                e.lookAt(new Cn(0,0,0)),
                viewer.setObjectLayers(e, "bothMapAndScene"),
                this.scene.add(e);
                e = Jf.createBackgroundTexture(512, 512);
                e.minFilter = e.magFilter = Re,
                e.minFilter = e.magFilter = Oe;
                e = new Hr(new ua(2,2,1),new $i({
                    map: e
                }));
                e.material.depthTest = !1,
                e.material.depthWrite = !1,
                e.name = "bg",
                this.scene.add(e),
                e.layers.set(Potree.config.renderLayers.bg);
                e = new Hr(new ua(2,2,1),new $i({
                    transparent: !0
                }));
                e.material.depthTest = !1,
                e.material.depthWrite = !1,
                e.name = "bg2",
                this.scene.add(e),
                e.layers.set(Potree.config.renderLayers.bg2),
                this.bg2 = e
            }
        }, {
            key: "addAnnotation",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {};
                e instanceof Array ? t.position = (new Cn).fromArray(e) : null != e.x && (t.position = e);
                t = new Kf(t);
                return this.annotations.add(t),
                t
            }
        }, {
            key: "getAnnotations",
            value: function() {
                return this.annotations
            }
        }, {
            key: "removeAnnotation",
            value: function(e) {
                this.annotations.remove(e)
            }
        }]),
        n
    }();
    proj4.defs([["UTM10N", "+proj=utm +zone=10 +ellps=GRS80 +datum=NAD83 +units=m +no_defs"], ["EPSG:6339", "+proj=utm +zone=10 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6340", "+proj=utm +zone=11 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6341", "+proj=utm +zone=12 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6342", "+proj=utm +zone=13 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6343", "+proj=utm +zone=14 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6344", "+proj=utm +zone=15 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6345", "+proj=utm +zone=16 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6346", "+proj=utm +zone=17 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6347", "+proj=utm +zone=18 +ellps=GRS80 +units=m +no_defs"], ["EPSG:6348", "+proj=utm +zone=19 +ellps=GRS80 +units=m +no_defs"], ["EPSG:26910", "+proj=utm +zone=10 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26911", "+proj=utm +zone=11 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26912", "+proj=utm +zone=12 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26913", "+proj=utm +zone=13 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26914", "+proj=utm +zone=14 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26915", "+proj=utm +zone=15 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26916", "+proj=utm +zone=16 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26917", "+proj=utm +zone=17 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26918", "+proj=utm +zone=18 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "], ["EPSG:26919", "+proj=utm +zone=19 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs "]]);
    var ag = new _c;
    ag.crossOrigin = "anonymous";
    var og = new Cn
      , sg = new Zi(0,1,2)
      , lg = new Zi(2,3,0)
      , ug = ((pd = new $i({
        transparent: !0,
        depthWrite: !1,
        depthTest: !0,
        opacity: 1,
        side: Y
    })).color = new Yi(3355443),
    pd)
      , gu = new yn(0,0)
      , rh = new yn(0,1)
      , Ou = new yn(1,0)
      , Ch = new yn(1,1)
      , cg = [gu, Ou, Ch]
      , dg = [Ch, rh, gu]
      , hg = function() {
        y(r, hn);
        var i = w(r);
        function r(e, t) {
            var n;
            O(this, r),
            (n = i.call(this)).sceneGroup = new Si,
            n.sceneGroup.name = "MapLayer",
            n.loadingInProgress = 0,
            n.maps = [],
            n.frustum = new oa,
            n.frustumMatrix = new ni,
            n.tileColor = new Yi(16777215),
            n.viewport = t,
            n.changeViewer(e);
            e = new gg(g(n),n.tileColor);
            return n.addMap(e),
            n
        }
        return h(r, [{
            key: "addMapEntity",
            value: function(e, t) {
                if (e && e[0]) {
                    e = new yg(this,this.tileColor,e[0]);
                    return e && (e.name += "_" + t,
                    this.addMap(e),
                    e.updateProjection(),
                    e.updateObjectGroup(),
                    (t in Potree.settings.floorplanEnables ? Potree.settings.floorplanEnables[t] : Potree.settings.floorplanEnable) ? this.needUpdate = !0 : e.setEnable(!1),
                    this.dispatchEvent({
                        type: "floorplanLoaded",
                        floorplan: e
                    })),
                    e
                }
                Potree.Log("平面图无数据", "red")
            }
        }, {
            key: "getFloorplan",
            value: function(t) {
                return this.maps.find(function(e) {
                    return e.name == "floorplan_" + t
                })
            }
        }, {
            key: "addMap",
            value: function(e) {
                this.maps.push(e),
                this.needUpdate = !0
            }
        }, {
            key: "removeMap",
            value: function(e) {
                var t = this.maps.indexOf(e);
                0 <= t && (e.removeFromSceneGroup(this.sceneGroup),
                this.maps.splice(t, 1)),
                this.needUpdate = !0,
                this.viewer.dispatchEvent({
                    type: "content_changed"
                })
            }
        }, {
            key: "changeViewer",
            value: function(e) {
                this.viewer = e
            }
        }, {
            key: "initProjection",
            value: function() {
                this.maps.forEach(function(e) {
                    e.updateProjection(),
                    e.updateObjectGroup()
                })
            }
        }, {
            key: "visibilityChanged",
            value: function() {
                if (!this.visible)
                    for (var e = 0, t = this.maps; e < t.length; e++)
                        t[e].removeFromSceneGroup(this.sceneGroup)
            }
        }, {
            key: "onAfterRenderViewport",
            value: function(e) {}
        }, {
            key: "update",
            value: function() {
                if (this.needUpdate = !1,
                !this.disabled && this.maps.find(function(e) {
                    return !e.disabled
                }) && this.maps.find(function(e) {
                    return e.objectGroup.visible
                })) {
                    var e, t, n;
                    for (this.updateTimer = void 0,
                    (t = (e = this.viewport.camera).projectionMatrix.clone()).elements[0] /= 1.5,
                    t.elements[5] /= 1.5,
                    this.frustumMatrix.multiplyMatrices(t, e.matrixWorldInverse),
                    this.frustum.setFromProjectionMatrix(this.frustumMatrix),
                    this.frustum.planes[4].setComponents(0, 0, 0, 0),
                    this.frustum.planes[5].setComponents(0, 0, 0, 0),
                    i = !0,
                    n = 0; n < this.maps.length; n++)
                        var i = this.maps[n].update(this.frustum, this.sceneGroup) && i;
                    return [2, i]
                }
            }
        }, {
            key: "getAttributions",
            value: function() {
                for (var e = {}, t = 0, n = this.maps; t < n.length; t++)
                    n[t].fillAttributions(e);
                return e
            }
        }, {
            key: "updateProjection",
            value: function() {
                for (var e = 0, t = this.maps; e < t.length; e++) {
                    var n = t[e];
                    n.clearProjection(),
                    n.updateObjectGroup()
                }
            }
        }]),
        r
    }()
      , pg = function() {
        y(o, hn);
        var a = w(o);
        function o(e, t, n, i) {
            var r;
            return O(this, o),
            (r = a.call(this)).name = e,
            r.mapLayer = t,
            r.tileColor = n,
            r.bias = 0,
            r.zIndex = -1,
            r.objectGroup = new Si,
            r.objectGroup.name = e,
            r.objectGroupAdded = !1,
            r.baseTile = new fg(g(r),r.objectGroup,r.tileColor),
            r.isTileVisibleBox = new kn,
            r.isTileVisibleVec = new Cn,
            r.projection = i,
            r._zoomLevel = 0,
            r
        }
        return h(o, [{
            key: "zoomLevel",
            get: function() {
                return this._zoomLevel
            },
            set: function(e) {
                this._zoomLevel != e && (this._zoomLevel = e)
            }
        }, {
            key: "updateObjectGroup",
            value: function() {
                this.position && this.objectGroup.position.copy(this.position),
                this.quaternion && this.objectGroup.quaternion.copy(this.quaternion),
                this.objectGroup.updateMatrixWorld(!0)
            }
        }, {
            key: "updateProjection",
            value: function() {
                this.transformMapToLocal || proj4.defs("NAVVIS:TMERC") && ("EPSG:4550" == this.projection ? this.transformMapToLocal = {
                    forward: function(e) {
                        e = viewer.transform.lonlatTo4550.inverse(e);
                        return viewer.transform.lonlatToLocal.forward(e)
                    }
                } : this.transformMapToLocal = proj4(this.projection, "NAVVIS:TMERC"))
            }
        }, {
            key: "setEnable",
            value: function(e) {
                !this.disabled != e && (e && console.log("setEnable", !0),
                this.disabled = !e,
                viewer.updateVisible(this.objectGroup, "setEnable", e),
                e ? this.mapLayer.needUpdate = !0 : this.baseTile.remove(),
                this.mapLayer.viewer.dispatchEvent({
                    type: "content_changed"
                }))
            }
        }, {
            key: "update",
            value: function(e, t) {
                var n = this.disabled || !this.objectGroup.visible;
                if (("map" == this.name || !n) && (this.updateProjection(),
                this.transformMapToLocal)) {
                    if (!this.isTileVisible(new Cn(0,0,0), this.mapSizeM, e))
                        return this.removeFromSceneGroup(t),
                        !0;
                    var i = this.mapLayer.viewport
                      , r = new Cn(-.5 * this.mapSizeM,0,0);
                    r.applyMatrix4(this.objectGroup.matrixWorld),
                    r.project(i.camera);
                    var a = new Cn(.5 * this.mapSizeM,0,0);
                    a.applyMatrix4(this.objectGroup.matrixWorld),
                    a.project(i.camera);
                    var o = i.resolution.x
                      , i = i.resolution.y;
                    if (o <= 0 || i <= 0 || isNaN(r.x) || isNaN(a.x))
                        return !1;
                    r.sub(a),
                    r.x *= o / 2,
                    r.y *= i / 2;
                    r = this.tileSizePx / r.length(),
                    r = Math.ceil(-Math.log(r) / Math.log(2) - this.bias),
                    r = Math.max(r, 0);
                    return r = Math.min(r, void 0 === this.maxDepth ? 1 / 0 : this.maxDepth),
                    this.zoomLevel = r,
                    n ? void 0 : (this.addToSceneGroup(t),
                    this.baseTile.update(this, e, r, this.mapSizeM, 0, 0, ""))
                }
            }
        }, {
            key: "isTileVisible",
            value: function(e, t, n) {
                if (21e6 < t)
                    return !0;
                t *= .5;
                return this.transformMapToLocal.forward(e),
                this.isTileVisibleBox.makeEmpty(),
                this.isTileVisibleVec.set(e.x - t, e.y - t, e.z).applyMatrix4(this.objectGroup.matrixWorld),
                this.isTileVisibleBox.expandByPoint(this.isTileVisibleVec),
                this.isTileVisibleVec.set(e.x - t, e.y + t, e.z).applyMatrix4(this.objectGroup.matrixWorld),
                this.isTileVisibleBox.expandByPoint(this.isTileVisibleVec),
                this.isTileVisibleVec.set(e.x + t, e.y - t, e.z).applyMatrix4(this.objectGroup.matrixWorld),
                this.isTileVisibleBox.expandByPoint(this.isTileVisibleVec),
                this.isTileVisibleVec.set(e.x + t, e.y + t, e.z).applyMatrix4(this.objectGroup.matrixWorld),
                this.isTileVisibleBox.expandByPoint(this.isTileVisibleVec),
                n.intersectsBox(this.isTileVisibleBox)
            }
        }, {
            key: "addToSceneGroup",
            value: function(e) {
                this.objectGroupAdded || (e.add(this.objectGroup),
                this.objectGroupAdded = !0)
            }
        }, {
            key: "removeFromSceneGroup",
            value: function(e) {
                this.baseTile.remove(),
                this.objectGroupAdded && (e.remove(this.objectGroup),
                this.objectGroupAdded = !1)
            }
        }]),
        o
    }()
      , fg = function() {
        function f(e, t, n) {
            O(this, f),
            this.map = e,
            this.objectGroup = t,
            this.tileColor = n,
            this.meshAdded = !1,
            this.textureLoaded = !1,
            this.children = []
        }
        return h(f, [{
            key: "update",
            value: function(e, t, n, i, r, a, o) {
                return !!this.doesNotContainTilesToBeDisplayed(e) || (0 === n ? this.updateTile(e, i, r, a) : this.updateSubTiles(e, t, n, i, r, a, o))
            }
        }, {
            key: "doesNotContainTilesToBeDisplayed",
            value: function(e) {
                return e.tilePresenceMap && e.tilePresenceMap.empty
            }
        }, {
            key: "updateTile",
            value: function(e, t, n, i) {
                return this.mesh || this.createTileObject(e, t, n, i),
                this.meshAdded || (this.objectGroup.add(this.mesh),
                this.meshAdded = !0),
                this.textureLoaded && this.removeChildren(),
                this.textureLoaded
            }
        }, {
            key: "updateSubTiles",
            value: function(e, t, n, i, r, a, o) {
                for (var s = !0, l = [-.25 * i, .25 * i, -.25 * i, .25 * i], u = [.25 * i, .25 * i, -.25 * i, -.25 * i], c = 0; c < 4; ++c) {
                    var d, h, p = o + c.toString(10);
                    e.tilePresenceMap && !e.tilePresenceMap[p] || (og.set(d = r + l[c], h = a + u[c], 0),
                    e.isTileVisible(og, .5 * i, t) ? (this.children[c] || (this.children[c] = new f(this.map,this.objectGroup,this.tileColor)),
                    s = this.children[c].update(e, t, n - 1, .5 * i, d, h, p) && s) : this.children[c] && (this.children[c].remove(),
                    delete this.children[c]))
                }
                return s && this.removeObject3D(),
                s
            }
        }, {
            key: "createTileObject",
            value: function(e, t, n, i) {
                var r = this;
                this.mesh = this.createMesh(e.transformMapToLocal, t, n, i),
                this.textureLoaded = !1;
                var a = e.mapSizeM / t
                  , o = Math.log(a) / Math.log(2)
                  , n = n / t + .5 * (a - 1)
                  , a = -i / t + .5 * (a - 1)
                  , a = e.getTileUrl(Math.round(o), Math.round(n), Math.round(a));
                viewer.setObjectLayers(this.mesh, "map"),
                this.mesh.renderOrder = -(1e6 - o - 100 * (e.zIndex || 0));
                function s() {
                    r.map.mapLayer.loadingInProgress--,
                    0 == r.map.mapLayer.loadingInProgress && r.map.mapLayer.dispatchEvent("loadDone")
                }
                e = this.mesh.material;
                e.map = ag.load(a, function(e) {
                    r.mesh ? (r.textureLoaded = !0,
                    r.mesh.material.opacity = 1,
                    r.map.mapLayer.viewer.dispatchEvent({
                        type: "content_changed"
                    }),
                    r.map.mapLayer.needUpdate = !0) : e.dispose(),
                    s()
                }, void 0, function() {
                    r.textureLoaded = !0,
                    r.mesh && (r.mesh.material.dispose(),
                    r.mesh.material = ug,
                    r.map.mapLayer.viewer.dispatchEvent({
                        type: "content_changed"
                    })),
                    s()
                }),
                e.map.anisotropy = 0,
                e.map.generateMipmaps = !1,
                e.map.minFilter = Oe,
                e.map.magFilter = Oe,
                this.map.mapLayer.loadingInProgress++
            }
        }, {
            key: "createMesh",
            value: function(e, t, n, i) {
                var r = new Sl;
                return og.set(n - t / 2, i - t / 2, 0),
                r.vertices.push((new Cn).copy(e.forward(og))),
                og.set(n + t / 2, i - t / 2, 0),
                r.vertices.push((new Cn).copy(e.forward(og))),
                og.set(n + t / 2, i + t / 2, 0),
                r.vertices.push((new Cn).copy(e.forward(og))),
                og.set(n - t / 2, i + t / 2, 0),
                r.vertices.push((new Cn).copy(e.forward(og))),
                r.faces.push(sg),
                r.faces.push(lg),
                r.faceVertexUvs[0].push(cg),
                r.faceVertexUvs[0].push(dg),
                new Hr(r,this.createMaterial())
            }
        }, {
            key: "createMaterial",
            value: function() {
                var e = new $i({
                    transparent: !0,
                    depthWrite: !1,
                    depthTest: !0,
                    opacity: 0,
                    side: Y
                });
                return e.color = this.tileColor || new Yi(16777215),
                e
            }
        }, {
            key: "remove",
            value: function() {
                this.removeObject3D(),
                this.removeChildren()
            }
        }, {
            key: "removeObject3D",
            value: function() {
                var e;
                this.mesh && (this.objectGroup.remove(this.mesh),
                this.textureLoaded && (e = this.mesh.material.map) && e.dispose(),
                this.mesh.material.dispose(),
                this.mesh.geometry.dispose(),
                this.mesh = void 0),
                this.meshAdded = !1,
                this.textureLoaded = !1
            }
        }, {
            key: "removeChildren",
            value: function() {
                for (var e = 0, t = this.children; e < t.length; e++) {
                    var n = t[e];
                    n && (n.removeObject3D(),
                    n.removeChildren())
                }
                this.children.length = 0
            }
        }]),
        f
    }();
    proj4.defs("EPSG:3857", "+title=WGS 84 / Pseudo-Mercator +proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs");
    var mg, vg, gg = function() {
        y(i, pg);
        var n = w(i);
        function i(e, t) {
            return O(this, i),
            (t = n.call(this, "map", e, t, "EPSG:3857")).baseUrl = "https://wprd04.is.autonavi.com/appmaptile?lang=zh_cn&style=7&x=${x}&y=${y}&z=${z}",
            t.attribution = "© PopSmart,  © 高德地图",
            t.tileSizePx = 256,
            t.mapSizeM = 40075017,
            t.maxDepth = 19,
            t.bias = .5,
            t
        }
        return h(i, [{
            key: "getTileUrl",
            value: function(e, t, n) {
                return this.baseUrl.replace(/\${z}/, e.toString(10)).replace(/\${x}/, t.toString(10)).replace(/\${y}/, n.toString(10))
            }
        }, {
            key: "fillAttributions",
            value: function(e) {
                e[this.attribution] = {
                    score: 50
                }
            }
        }]),
        i
    }(), yg = function() {
        y(r, pg);
        var i = w(r);
        function r(e, t, n) {
            O(this, r);
            t = (e = i.call(this, "floorplan", e, t, "NAVVIS:TMERC")).tiledMapEntity = e.fillFromData(n),
            n = t.updateTime || t.createTime;
            return e.tileSizePx = t.tileSizePx,
            e.mapSizeM = t.mapSizeM,
            e.maxDepth = t.maxDepth,
            e.postStamp = n ? n.replace(/[^0-9]/gi, "") : (new Date).getTime(),
            e.zIndex = 0,
            e.tilePresenceMap = e.decodeBitStream(e.tiledMapEntity.quadtree),
            e
        }
        return h(r, [{
            key: "fillFromData",
            value: function(e) {
                var t = {};
                return t.id = e.id,
                t.globalLocation = Potree.Utils.VectorFactory.fromArray3(e.location),
                t.orientation = Potree.Utils.QuaternionFactory.fromArray(e.orientation),
                Potree.fileServer ? t.filePath = "".concat(Potree.settings.urls.prefix).concat(e.file_path) : t.filePath = "".concat(Potree.settings.urls.prefix, "/data/").concat(Potree.settings.number, "/").concat(e.file_path),
                t.fileName = "$DEPTH/$X/$Y.png",
                t.type = e.type,
                t.mapSizeM = e.map_size_m,
                t.tileSizePx = e.tile_size_px,
                t.maxDepth = e.max_depth,
                t.quadtree = e.quadtree,
                t.floorId = e.floor_id,
                t.bundleId = e.bundle_id,
                t
            }
        }, {
            key: "computeLocalCoordinates",
            value: function() {
                proj4.defs("NAVVIS:TMERC") && (this.tiledMapEntity.location = (new Cn).copy(viewer.transform.lonlatToLocal.forward(this.tiledMapEntity.globalLocation)))
            }
        }, {
            key: "updateProjection",
            value: function() {
                b(v(r.prototype), "updateProjection", this).call(this),
                this.position || this.computeLocalCoordinates()
            }
        }, {
            key: "position",
            get: function() {
                return this.tiledMapEntity.location
            }
        }, {
            key: "quaternion",
            get: function() {
                return this.tiledMapEntity.orientation
            }
        }, {
            key: "getTileUrl",
            value: function(e, t, n) {
                return (this.tiledMapEntity.filePath + "/" + this.tiledMapEntity.fileName).replace(/\$DEPTH/g, e.toString(10)).replace(/\$X/g, t.toString(10)).replace(/\$Y/g, n.toString(10)) + ("?t=" + this.postStamp)
            }
        }, {
            key: "fillAttributions",
            value: function(e) {
                e.NavVis = {
                    score: 100
                }
            }
        }, {
            key: "decodeBitStream",
            value: function(e) {
                if (!e)
                    return {
                        empty: !0
                    };
                for (var t = {}, n = [t], i = 0; i < e.length; i++) {
                    var r, a = n.shift(), o = parseInt(e.substr(i, 1), 16);
                    1 & o && (a[0] = r = {},
                    n.push(r)),
                    2 & o && (a[1] = r = {},
                    n.push(r)),
                    4 & o && (a[2] = r = {},
                    n.push(r)),
                    8 & o && (a[3] = r = {},
                    n.push(r))
                }
                var s = {
                    empty: !0
                };
                return this.computeHashes(s, t, ""),
                s
            }
        }, {
            key: "computeHashes",
            value: function(e, t, n) {
                for (var i = 0; i < 4; i++)
                    t[i] && (e[n + i.toString(10)] = !0,
                    e.empty = !1,
                    this.computeHashes(e, t[i], n + i.toString(10)))
            }
        }]),
        r
    }(), wg = {};
    wg.RADIANS_PER_DEGREE = Math.PI / 180,
    wg.DEGREES_PER_RADIAN = 180 / Math.PI,
    wg.Vector3 = function(e, t, n) {
        this.x = e || 0,
        this.y = t || 0,
        this.z = n || 0
    }
    ,
    wg.Matrix4 = function() {
        this.elements = new Float32Array([1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1]),
        0 < arguments.length && console.error("MathLight.Matrix4: the constructor no longer reads arguments. use .set() instead.")
    }
    ,
    wg.Matrix4.prototype = {
        identity: function() {
            return this.set(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1),
            this
        },
        copy: function(e) {
            return this.elements.set(e.elements),
            this
        },
        applyToVector3: function(e) {
            var t = e.x
              , n = e.y
              , i = e.z
              , r = this.elements;
            return e.x = r[0] * t + r[4] * n + r[8] * i + r[12],
            e.y = r[1] * t + r[5] * n + r[9] * i + r[13],
            e.z = r[2] * t + r[6] * n + r[10] * i + r[14],
            this
        },
        getInverse: function(e, t) {
            var n = this.elements
              , i = e.elements
              , r = i[0]
              , a = i[1]
              , o = i[2]
              , s = i[3]
              , l = i[4]
              , u = i[5]
              , c = i[6]
              , d = i[7]
              , h = i[8]
              , p = i[9]
              , f = i[10]
              , m = i[11]
              , v = i[12]
              , g = i[13]
              , y = i[14]
              , w = i[15]
              , b = p * y * d - g * f * d + g * c * m - u * y * m - p * c * w + u * f * w
              , x = v * f * d - h * y * d - v * c * m + l * y * m + h * c * w - l * f * w
              , E = h * g * d - v * p * d + v * u * m - l * g * m - h * u * w + l * p * w
              , _ = v * p * c - h * g * c - v * u * f + l * g * f + h * u * y - l * p * y
              , e = r * b + a * x + o * E + s * _;
            if (0 == e) {
                i = "MathLight.Matrix4.getInverse(): can't invert matrix, determinant is 0";
                if (t)
                    throw new Error(i);
                return console.warn(i),
                this.identity()
            }
            e = 1 / e;
            return n[0] = b * e,
            n[1] = (g * f * s - p * y * s - g * o * m + a * y * m + p * o * w - a * f * w) * e,
            n[2] = (u * y * s - g * c * s + g * o * d - a * y * d - u * o * w + a * c * w) * e,
            n[3] = (p * c * s - u * f * s - p * o * d + a * f * d + u * o * m - a * c * m) * e,
            n[4] = x * e,
            n[5] = (h * y * s - v * f * s + v * o * m - r * y * m - h * o * w + r * f * w) * e,
            n[6] = (v * c * s - l * y * s - v * o * d + r * y * d + l * o * w - r * c * w) * e,
            n[7] = (l * f * s - h * c * s + h * o * d - r * f * d - l * o * m + r * c * m) * e,
            n[8] = E * e,
            n[9] = (v * p * s - h * g * s - v * a * m + r * g * m + h * a * w - r * p * w) * e,
            n[10] = (l * g * s - v * u * s + v * a * d - r * g * d - l * a * w + r * u * w) * e,
            n[11] = (h * u * s - l * p * s - h * a * d + r * p * d + l * a * m - r * u * m) * e,
            n[12] = _ * e,
            n[13] = (h * g * o - v * p * o + v * a * f - r * g * f - h * a * y + r * p * y) * e,
            n[14] = (v * u * o - l * g * o - v * a * c + r * g * c + l * a * y - r * u * y) * e,
            n[15] = (l * p * o - h * u * o + h * a * c - r * p * c - l * a * f + r * u * f) * e,
            this
        },
        makeRotationFromQuaternion: function(e) {
            var t = this.elements
              , n = e.x
              , i = e.y
              , r = e.z
              , a = e.w
              , o = n + n
              , s = i + i
              , l = r + r
              , u = n * o
              , c = n * s
              , e = n * l
              , n = i * s
              , i = i * l
              , r = r * l
              , o = a * o
              , s = a * s
              , l = a * l;
            return t[0] = 1 - (n + r),
            t[4] = c - l,
            t[8] = e + s,
            t[1] = c + l,
            t[5] = 1 - (u + r),
            t[9] = i - o,
            t[2] = e - s,
            t[6] = i + o,
            t[10] = 1 - (u + n),
            t[3] = 0,
            t[7] = 0,
            t[11] = 0,
            t[12] = 0,
            t[13] = 0,
            t[14] = 0,
            t[15] = 1,
            this
        }
    },
    wg.Quaternion = function(e, t, n, i) {
        this._x = e || 0,
        this._y = t || 0,
        this._z = n || 0,
        this._w = void 0 !== i ? i : 1
    }
    ,
    wg.Quaternion.prototype = {
        get x() {
            return this._x
        },
        set x(e) {
            this._x = e
        },
        get y() {
            return this._y
        },
        set y(e) {
            this._y = e
        },
        get z() {
            return this._z
        },
        set z(e) {
            this._z = e
        },
        get w() {
            return this._w
        },
        set w(e) {
            this._w = e
        },
        copy: function(e) {
            this._x = e.x,
            this._y = e.y,
            this._z = e.z,
            this._w = e.w
        },
        inverse: function() {
            return this.conjugate().normalize()
        },
        conjugate: function() {
            return this._x *= -1,
            this._y *= -1,
            this._z *= -1,
            this
        },
        length: function() {
            return Math.sqrt(this._x * this._x + this._y * this._y + this._z * this._z + this._w * this._w)
        },
        normalize: function() {
            var e = this.length();
            return 0 === e ? (this._x = 0,
            this._y = 0,
            this._z = 0,
            this._w = 1) : (this._x = this._x * (e = 1 / e),
            this._y = this._y * e,
            this._z = this._z * e,
            this._w = this._w * e),
            this
        },
        setFromAxisAngle: function(e, t) {
            var n = t / 2
              , t = Math.sin(n);
            return this._x = e.x * t,
            this._y = e.y * t,
            this._z = e.z * t,
            this._w = Math.cos(n),
            this
        },
        setFromUnitVectors: function(e, t) {
            return void 0 === mg && (mg = new wg.Vector3),
            (vg = wg.dot(e, t) + 1) < 1e-6 ? (vg = 0,
            Math.abs(e.x) > Math.abs(e.z) ? wg.setVector(mg, -e.y, e.x, 0) : wg.setVector(mg, 0, -e.z, e.y)) : wg.cross(e, t, mg),
            this._x = mg.x,
            this._y = mg.y,
            this._z = mg.z,
            this._w = vg,
            this.normalize()
        },
        multiply: function(e) {
            return this.multiplyQuaternions(this, e)
        },
        premultiply: function(e) {
            return this.multiplyQuaternions(e, this)
        },
        multiplyQuaternions: function(e, t) {
            var n = e._x
              , i = e._y
              , r = e._z
              , a = e._w
              , o = t._x
              , s = t._y
              , e = t._z
              , t = t._w;
            return this._x = n * t + a * o + i * e - r * s,
            this._y = i * t + a * s + r * o - n * e,
            this._z = r * t + a * e + n * s - i * o,
            this._w = a * t - n * o - i * s - r * e,
            this
        }
    },
    wg.convertWorkshopVector = function(e) {
        return new wg.Vector3(-e.x,e.y,e.z)
    }
    ,
    wg.convertWorkshopQuaternion = function(e) {
        return new wg.Quaternion(-e.x,e.y,e.z,-e.w).multiply(new wg.Quaternion(Math.sqrt(2) / 2,Math.sqrt(2) / 2,0,0))
    }
    ,
    wg.convertWorkshopOrthoZoom = function(e) {
        return -1 === e ? -1 : e * ($("#player").width() / $("#player").height())
    }
    ,
    wg.convertWorkshopPanoramaQuaternion = function(e) {
        return new wg.Quaternion(e.x,-e.y,-e.z,e.w).normalize().multiply((new wg.Quaternion).setFromAxisAngle(new wg.Vector3(0,1,0), 270 * wg.RADIANS_PER_DEGREE))
    }
    ,
    wg.normalize = function(e) {
        var t = e.x * e.x + e.y * e.y + e.z * e.z
          , t = Math.sqrt(t);
        e.x /= t,
        e.y /= t,
        e.z /= t
    }
    ,
    wg.dot = function(e, t) {
        return e.x * t.x + e.y * t.y + e.z * t.z
    }
    ,
    wg.cross = function(e, t, n) {
        var i = e.x
          , r = e.y
          , e = e.z;
        n.x = r * t.z - e * t.y,
        n.y = e * t.x - i * t.z,
        n.z = i * t.y - r * t.x
    }
    ,
    wg.setVector = function(e, t, n, i) {
        e.x = t,
        e.y = n,
        e.z = i
    }
    ,
    wg.copyVector = function(e, t) {
        t.x = e.x,
        t.y = e.y,
        t.z = e.z
    }
    ,
    wg.addVector = function(e, t) {
        e.x += t.x,
        e.y += t.y,
        e.z += t.z
    }
    ,
    wg.subVector = function(e, t) {
        e.x -= t.x,
        e.y -= t.y,
        e.z -= t.z
    }
    ,
    wg.applyQuaternionToVector = function(e, t) {
        var n = t.x
          , i = t.y
          , r = t.z
          , a = e.x
          , o = e.y
          , s = e.z
          , l = e.w
          , u = l * n + o * r - s * i
          , c = l * i + s * n - a * r
          , e = l * r + a * i - o * n
          , r = -a * n - o * i - s * r;
        t.x = u * l + r * -a + c * -s - e * -o,
        t.y = c * l + r * -o + e * -a - u * -s,
        t.z = e * l + r * -s + u * -o - c * -a
    }
    ,
    wg.angleBetweenVectors = function(e, t) {
        return Math.acos(wg.dot(e, t))
    }
    ;
    var bg, xg, Eg, _g, Mg, Ag, Tg, Sg, Cg, Pg, Dg, kg, Bg, Lg, Rg = {
        clampVFOV: function(e, t, n, i) {
            return t < Rg.getHFOVFromVFOV(e, n, i) ? Rg.getVFOVFromHFOV(t, n, i) : e
        },
        getHFOVForCamera: function(e, t) {
            return Rg.getHFOVByScreenPrecent(e.fov, e.aspect, t)
        },
        getHFOVByScreenPrecent: function(e, t, n) {
            e = 2 * Math.atan(t * Math.tan(e * wg.RADIANS_PER_DEGREE / 2));
            return n ? e : e * wg.DEGREES_PER_RADIAN
        }
    }, Fg = function() {
        y(o, hn);
        var a = w(o);
        function o(f, e) {
            var m;
            O(this, o),
            (m = a.call(this)).viewer = f,
            m.renderer = f.renderer,
            m.scene = f.scene,
            m.rotationSpeed = 200,
            m.moveSpeed = 10,
            m.setCurrentViewport({
                hoverViewport: e,
                force: !0
            }),
            m.keys = {
                FORWARD: ["W".charCodeAt(0), 38],
                BACKWARD: ["S".charCodeAt(0), 40],
                LEFT: ["A".charCodeAt(0), 37],
                RIGHT: ["D".charCodeAt(0), 39],
                UP: ["Q".charCodeAt(0)],
                DOWN: ["E".charCodeAt(0)],
                ALT: [18],
                Rotate_LEFT: ["L".charCodeAt(0)],
                Rotate_RIGHT: ["J".charCodeAt(0)],
                Rotate_UP: ["K".charCodeAt(0)],
                Rotate_DOWN: ["I".charCodeAt(0)]
            },
            m.fadeFactor = 20,
            m.yawDelta = 0,
            m.pitchDelta = 0,
            m.translationDelta = new Cn(0,0,0),
            m.translationWorldDelta = new Cn(0,0,0),
            m.tweens = [],
            m.dollyStart = new yn,
            m.dollyEnd = new yn,
            m.viewer.addEventListener("camera_changed", function(e) {
                m.setFPCMoveSpeed(e.viewport)
            });
            var t = function(e) {
                if (m.enabled) {
                    var t = e.dragViewport;
                    if (t) {
                        var n, i, r = t.camera, a = e.isTouch ? 1 == e.touches.length ? e.dragViewport && "MainView" != e.dragViewport.name ? "pan" : "rotate" : 2 == e.touches.length || e.dragViewport && "MainView" != e.dragViewport.name ? "scale" : "pan" : e.buttons === rm.LEFT && "OrthographicCamera" != r.type ? "rotate" : "pan";
                        m.currentViewport.getMoveSpeed();
                        if (void 0 === e.drag.startHandled && (e.drag.startHandled = !0,
                        m.dispatchEvent({
                            type: "start"
                        })),
                        a.includes("rotate")) {
                            if (!m.pointerDragStart)
                                return m.pointerDragStart = e.pointer.clone();
                            var o, s = m.scene.view;
                            Potree.settings.rotAroundPoint && m.intersectStart && m.canMovePos(t) && !f.images360.isAtPano() && !m.viewer.inputHandler.pressedKeys[17] ? (o = r.position.distanceTo(m.intersectStart.location),
                            m.yawDelta -= 2.5 * e.drag.pointerDelta.x,
                            m.pitchDelta += 2.5 * e.drag.pointerDelta.y,
                            m.update(),
                            s.applyToCamera(r),
                            o = f.inputHandler.getMouseDirection(m.intersectStart.pointer).direction.clone().multiplyScalar(o),
                            o = (new Cn).addVectors(r.position, o),
                            o = (new Cn).subVectors(o, m.intersectStart.location),
                            m.translationWorldDelta.copy(o.negate()),
                            m.update(),
                            s.applyToCamera(r)) : (p = r.matrixWorld,
                            r.matrixWorld = new ni,
                            u = new Cn(m.pointerDragStart.x,m.pointerDragStart.y,-1).unproject(r),
                            c = new Cn(e.pointer.x,e.pointer.y,-1).unproject(r),
                            s = Math.sqrt(u.x * u.x + u.z * u.z),
                            d = Math.sqrt(c.x * c.x + c.z * c.z),
                            s = Math.atan2(u.y, s),
                            d = Math.atan2(c.y, d),
                            m.pitchDelta += s - d,
                            u.y = 0,
                            c.y = 0,
                            d = Math.acos(u.dot(c) / u.length() / c.length()),
                            isNaN(d) || (h = d,
                            m.pointerDragStart.x > e.pointer.x && (h *= -1),
                            m.yawDelta += h),
                            m.pointerDragStart.copy(e.pointer),
                            r.matrixWorld = p)
                        }
                        if (a.includes("pan")) {
                            if (!m.canMovePos(t))
                                return;
                            if ("OrthographicCamera" == r.type) {
                                var l, u = Jf.getOrthoCameraMoveVec(e.drag.pointerDelta, r), c = window.viewer.modules.Alignment, d = window.viewer.modules.MergeEditor, h = c.handleState, p = e.buttons === rm.LEFT && t.alignment && h && t.alignment[h];
                                if ("pano" == Potree.settings.editType) {
                                    c = window.viewer.modules.PanoEditor;
                                    if (p && c.selectedPano && (c.selectedGroup && c.checkIfAllLinked({
                                        group: c.selectedGroup
                                    }) ? (c.dispatchEvent("needToDisConnect"),
                                    console.warn("选中的漫游点连通了整个数据集，不允许移动")) : ("translate" == h && (e.drag.intersectStart.pointclouds && Fm.getMixedSet(c.selectedClouds, e.drag.intersectStart.pointclouds).length || c.selectedPano.hovered) || "rotate" == h) && (l = c.selectedClouds)),
                                    !l && e.buttons === rm.LEFT && t.rotateSide)
                                        return c.rotateSideCamera(-e.drag.pointerDelta.x)
                                } else if ("merge" == Potree.settings.editType) {
                                    if (e.buttons === rm.LEFT && t.rotateSide)
                                        return d.rotateSideCamera(-e.drag.pointerDelta.x)
                                } else
                                    l = p && e.drag.intersectStart.pointcloud && [e.drag.intersectStart.pointcloud];
                                l ? m.dispatchEvent({
                                    type: "transformPointcloud",
                                    intersect: e.intersect.orthoIntersect,
                                    intersectStart: e.drag.intersectStart.orthoIntersect,
                                    moveVec: u,
                                    pointclouds: l,
                                    camera: r
                                }) : m.translationWorldDelta.add(u.negate())
                            } else
                                e.drag.intersectStart ? (null == e.drag.z && (n = e.drag.intersectStart.location.clone().project(r),
                                e.drag.z = n.z,
                                e.drag.projectionMatrixInverse = r.projectionMatrixInverse.clone(),
                                i = new Cn(m.pointerDragStart.x,m.pointerDragStart.y,e.drag.z),
                                e.drag.translateStartPos = i.clone().unproject(r)),
                                n = r.projectionMatrixInverse,
                                r.projectionMatrixInverse = e.drag.projectionMatrixInverse,
                                i = new Cn(e.pointer.x,e.pointer.y,e.drag.z).clone().unproject(r).clone().sub(e.drag.translateStartPos),
                                r.projectionMatrixInverse = n,
                                m.translationWorldDelta.copy(i.negate())) : (i = t.lastIntersect ? t.lastIntersect.location || t.lastIntersect : f.bound.center,
                                t = r.position.distanceTo(i),
                                i = Rg.getHFOVForCamera(r, !0),
                                i = t * Math.tan(i / 2),
                                m.translationDelta.x -= e.drag.pointerDelta.x * i,
                                m.translationDelta.z -= e.drag.pointerDelta.y * i);
                            m.useAttenuation = !1
                        }
                        a.includes("scale") && (m.dollyEnd.subVectors(e.touches[0].pointer, e.touches[1].pointer),
                        a = m.dollyEnd.length() / m.dollyStart.length(),
                        e = (new yn).addVectors(e.touches[0].pointer, e.touches[1].pointer).multiplyScalar(.5),
                        v({
                            pointer: e,
                            scale: a,
                            camera: r
                        }),
                        m.dollyStart.copy(m.dollyEnd))
                    }
                }
            }
              , v = function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                if ("showPanos" != Potree.settings.displayMode || m.currentViewport != f.mainViewport) {
                    var t = e.camera;
                    if ("OrthographicCamera" == t.type) {
                        if (null != e.delta) {
                            if (0 == e.delta)
                                return;
                            e.delta < 0 ? r = .9 : 0 < e.delta && (r = 1.1)
                        } else
                            r = e.scale;
                        var n = t.zoom * r
                          , i = t.zoomLimit;
                        i && (n = gn.clamp(n, i.min, i.max));
                        var r = new Cn(e.pointer.x,e.pointer.y,.5)
                          , i = r.clone().unproject(t);
                        t.zoom != n && (t.zoom = n,
                        t.updateProjectionMatrix());
                        t = r.clone().unproject(t),
                        i = (new Cn).subVectors(t, i);
                        m.translationWorldDelta.add(i.negate()),
                        m.useAttenuation = !1
                    } else {
                        if (null != e.delta) {
                            if (a = 15 * m.currentViewport.getMoveSpeed(),
                            o = m.viewer.inputHandler.getMouseDirection().direction,
                            0 == e.delta)
                                return;
                            e.delta < 0 && (a *= -1)
                        } else
                            var i = 200 * m.currentViewport.getMoveSpeed()
                              , a = (e.scale - 1) * i
                              , o = m.viewer.inputHandler.getMouseDirection(e.pointer).direction;
                        m.useAttenuation = !0;
                        a = o.multiplyScalar(a);
                        m.translationWorldDelta.copy(a)
                    }
                } else
                    m.dispatchEvent({
                        type: "dollyStopCauseUnable",
                        delta: e.delta,
                        scale: e.scale
                    })
            };
            m.viewer.addEventListener("global_drag", t),
            m.viewer.addEventListener("global_drop", function(e) {
                m.enabled && m.dispatchEvent({
                    type: "end"
                })
            }),
            m.viewer.addEventListener("global_mousewheel", function(e) {
                m.enabled && e.hoverViewport && (m.setCurrentViewport(e),
                e.camera = e.hoverViewport.camera,
                v(e))
            }),
            m.viewer.addEventListener("global_dblclick", function(e) {
                m.enabled && Potree.settings.dblToFocusPoint && "showPointCloud" == Potree.settings.displayMode && m.zoomToLocation(e.mouse)
            });
            function n(e) {
                m.dollyStart.subVectors(e.touches[0].pointer, e.touches[1].pointer)
            }
            function i(e) {
                m.pointerDragStart = e.pointer.clone(),
                m.intersectStart = e.intersect && e.intersect.location && {
                    location: e.intersect.location,
                    pointer: e.intersect.location.clone().project(e.dragViewport.camera)
                }
            }
            function r(e) {
                m.pointerDragStart = e.pointer.clone(),
                e.drag.z = void 0,
                t(e)
            }
            return m.viewer.addEventListener("global_mousedown", function(e) {
                m.enabled && (m.setCurrentViewport(e),
                i(e))
            }),
            m.viewer.addEventListener("global_touchstart", function(e) {
                m.enabled && (2 == e.touches.length ? n(e) : 3 <= e.touches.length && r(e))
            }),
            m.viewer.addEventListener("global_touchend", function(e) {
                m.enabled && (2 == e.touches.length ? n(e) : 1 == e.touches.length ? i(e) : 3 <= e.touches.length && r(e))
            }),
            m
        }
        return h(o, [{
            key: "canMovePos",
            value: function(e) {
                return e != viewer.mainViewport || "showPanos" != Potree.settings.displayMode && !viewer.images360.bumping && !viewer.images360.latestToPano
            }
        }, {
            key: "setEnable",
            value: function(e) {
                this.enabled = e
            }
        }, {
            key: "setFPCMoveSpeed",
            value: function(e) {
                var t;
                "OrthographicCamera" == e.camera.type ? (t = 1 / e.camera.zoom,
                e.setMoveSpeed(t)) : e == viewer.mainViewport && o.boundPlane && (e = o.boundPlane.distanceToPoint(viewer.mainViewport.view.position),
                e = Math.sqrt(e) / 10,
                e = Math.max(o.standardSpeed, e),
                e *= Potree.config.moveSpeedAdujust,
                viewer.setMoveSpeed(e))
            }
        }, {
            key: "setCurrentViewport",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                (this.enabled || e.force) && (e.hoverViewport && this.currentViewport != e.hoverViewport && (this.currentViewport = e.hoverViewport,
                this.setFPCMoveSpeed(this.currentViewport)),
                "OrthographicCamera" == this.currentViewport.camera.type ? (this.lockElevationOri = !0,
                this.lockRotation = !0) : (this.lockElevationOri = !1,
                this.lockRotation = !1))
            }
        }, {
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "stop",
            value: function() {
                this.yawDelta = 0,
                this.pitchDelta = 0,
                this.translationDelta.set(0, 0, 0)
            }
        }, {
            key: "zoomToLocation",
            value: function(e) {
                var t, n, i, r, a, o, s, l, u, c, d, h, p = this;
                this.enabled && (i = this.scene.getActiveCamera(),
                (t = this.viewer.inputHandler.intersect) && (o = 0,
                this.renderer.domElement,
                a = Jf.mouseToRay(this.viewer.inputHandler.pointer, i),
                n = (r = this.viewer.inputHandler.getMouseDirection()).origin,
                i = r.direction,
                (r = new sh).ray.set(n, i),
                a = t.pointcloud.nodesOnRay(t.pointcloud.visibleNodes, a),
                t.pointcloud.nodesOnRay(t.pointcloud.visibleNodes, r.ray),
                a = a[a.length - 1].getBoundingSphere(new qn).radius,
                o = Math.min(this.scene.view.radius, a),
                o = Math.max(.2, o),
                a = this.scene.view.direction.multiplyScalar(-1),
                a = (new Cn).addVectors(t.location, a.multiplyScalar(o)),
                o = TWEEN.Easing.Quartic.Out,
                s = {
                    x: 0
                },
                (l = new TWEEN.Tween(s).to({
                    x: 1
                }, 600)).easing(o),
                this.tweens.push(l),
                u = this.scene.view.position.clone(),
                c = a.clone(),
                d = this.scene.view.radius,
                h = a.distanceTo(t.location),
                l.onUpdate(function() {
                    var e = s.x;
                    p.scene.view.position.x = (1 - e) * u.x + e * c.x,
                    p.scene.view.position.y = (1 - e) * u.y + e * c.y,
                    p.scene.view.position.z = (1 - e) * u.z + e * c.z,
                    p.scene.view.radius = (1 - e) * d + e * h,
                    p.viewer.setMoveSpeed(p.scene.view.radius / 2.5)
                }),
                l.onComplete(function() {
                    p.tweens = p.tweens.filter(function(e) {
                        return e !== l
                    })
                }),
                l.start()))
            }
        }, {
            key: "update",
            value: function() {
                var e, t, n, i, r, a, o, s, l, u, c, d, h = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1;
                this.enabled && (e = this.currentViewport.view,
                [this.yawDelta, this.pitchDelta, this.translationDelta.length(), this.translationWorldDelta.length()].some(function(e) {
                    return .001 < Math.abs(e)
                }) && 0 < this.tweens.length && (this.tweens.forEach(function(e) {
                    return e.stop()
                }),
                this.tweens = []),
                t = this.viewer.inputHandler,
                c = this.keys.FORWARD.some(function(e) {
                    return t.pressedKeys[e]
                }),
                d = this.keys.BACKWARD.some(function(e) {
                    return t.pressedKeys[e]
                }),
                n = this.keys.LEFT.some(function(e) {
                    return t.pressedKeys[e]
                }),
                i = this.keys.RIGHT.some(function(e) {
                    return t.pressedKeys[e]
                }),
                r = this.keys.UP.some(function(e) {
                    return t.pressedKeys[e]
                }),
                a = this.keys.DOWN.some(function(e) {
                    return t.pressedKeys[e]
                }),
                o = this.keys.Rotate_LEFT.some(function(e) {
                    return t.pressedKeys[e]
                }),
                s = this.keys.Rotate_RIGHT.some(function(e) {
                    return t.pressedKeys[e]
                }),
                l = this.keys.Rotate_UP.some(function(e) {
                    return t.pressedKeys[e]
                }),
                u = this.keys.Rotate_DOWN.some(function(e) {
                    return t.pressedKeys[e]
                }),
                this.lockElevation = this.lockElevationOri || this.keys.ALT.some(function(e) {
                    return t.pressedKeys[e]
                }),
                this.lockRotation || (o ? this.yawDelta -= .01 : s && (this.yawDelta += .01),
                l ? this.pitchDelta -= .01 : u && (this.pitchDelta += .01)),
                this.canMovePos(this.currentViewport) && !this.lockKey && (this.lockElevation ? ((u = e.direction).z = 0,
                u.normalize(),
                c && d ? this.translationWorldDelta.set(0, 0, 0) : c ? this.translationWorldDelta.copy(u.multiplyScalar(this.currentViewport.getMoveSpeed())) : d && this.translationWorldDelta.copy(u.multiplyScalar(-this.currentViewport.getMoveSpeed()))) : c && d ? this.translationDelta.y = 0 : c ? this.translationDelta.y = this.currentViewport.getMoveSpeed() : d && (this.translationDelta.y = -this.currentViewport.getMoveSpeed()),
                n && i ? this.translationDelta.x = 0 : n ? this.translationDelta.x = -this.currentViewport.getMoveSpeed() : i && (this.translationDelta.x = this.currentViewport.getMoveSpeed()),
                r && a ? this.translationWorldDelta.z = 0 : r ? this.translationWorldDelta.z = this.currentViewport.getMoveSpeed() : a && (this.translationWorldDelta.z = -this.currentViewport.getMoveSpeed()),
                (r || a || c || d) && (this.useAttenuation = !1)),
                c = e.yaw,
                d = e.pitch,
                c += this.yawDelta,
                d += this.pitchDelta,
                e.yaw = c,
                e.pitch = d,
                this.yawDelta = 0,
                this.pitchDelta = 0,
                this.translationWorldDelta.length(),
                e.translate(this.translationDelta.x, this.translationDelta.y, this.translationDelta.z),
                this.translationDelta.set(0, 0, 0),
                e.translateWorld(this.translationWorldDelta.x, this.translationWorldDelta.y, this.translationWorldDelta.z),
                this.useAttenuation ? (h = Math.max(0, 1 - this.fadeFactor * h),
                this.translationWorldDelta.multiplyScalar(h)) : this.translationWorldDelta.set(0, 0, 0))
            }
        }]),
        o
    }(), Ig = function() {
        function i(e, t) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {};
            O(this, i),
            this.left = n.left,
            this.bottom = n.bottom,
            this.width = n.width,
            this.height = n.height,
            this.name = n.name,
            this.view = e,
            this.camera = t,
            this.active = !0,
            this.unableChangePos = !1,
            this.noPointcloud,
            this.resolution = new yn,
            this.resolution2 = new yn,
            this.offset = new yn,
            this.extraEnableLayers = n.extraEnableLayers || [],
            this.cameraLayers = n.cameraLayers,
            this.pixelRatio = n.pixelRatio
        }
        return h(i, [{
            key: "clone",
            value: function() {
                return Fm.CloneClassObject(this)
            }
        }, {
            key: "getMoveSpeed",
            value: function() {
                return this.moveSpeed
            }
        }, {
            key: "setMoveSpeed",
            value: function(e) {
                this.moveSpeed = e
            }
        }, {
            key: "layersAdd",
            value: function(e) {
                this.extraEnableLayers.includes(e) || this.extraEnableLayers.push(e)
            }
        }, {
            key: "layersRemove",
            value: function(e) {
                e = this.extraEnableLayers.indexOf(e);
                -1 < e && this.extraEnableLayers.splice(e, 1)
            }
        }, {
            key: "cameraChanged",
            value: function() {
                var e = this
                  , t = !0
                  , n = !0
                  , i = !0;
                return this.previousState && (t = !this.camera.projectionMatrix.equals(this.previousState.projectionMatrix),
                n = !this.camera.position.equals(this.previousState.position),
                i = !this.camera.quaternion.equals(this.previousState.quaternion)),
                e.previousState = {
                    projectionMatrix: e.camera.projectionMatrix.clone(),
                    position: e.camera.position.clone(),
                    quaternion: e.camera.quaternion.clone()
                },
                {
                    projectionChanged: t,
                    positionChanged: n,
                    quaternionChanged: i,
                    changed: t || n || i
                }
            }
        }, {
            key: "setResolution",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
                  , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0;
                this.resolution.set(e, t),
                this.resolution2.copy(this.resolution).multiplyScalar(this.pixelRatio || window.devicePixelRatio),
                this.offset.set(n, i).multiply(new yn(this.left,this.bottom)).multiplyScalar(window.devicePixelRatio)
            }
        }]),
        i
    }(), Og = function() {
        y(r, hn);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).viewer = e,
            n.renderer = e.renderer,
            n.domElement = n.renderer.domElement,
            n.enabled = !0,
            n.scene = t,
            n.interactiveScenes = [],
            n.interactiveObjects = new Set,
            n.inputListeners = [],
            n.blacklist = new Set,
            n.drag = null,
            n.mouse = new yn(0,0),
            n.pointer = new yn(0,0),
            n.mouseDownMouse = new yn(0,0),
            n.selection = [],
            n.hoveredElements = [],
            n.pressedKeys = {},
            n.wheelDelta = 0,
            n.speed = 1,
            n.logMessages = !1,
            -1 === n.domElement.tabIndex && (n.domElement.tabIndex = 2222),
            n.lastPointerUpTime = 0,
            n.touches = [],
            n.hoverViewport = e.viewports[0],
            n.domElement.addEventListener("contextmenu", function(e) {
                e.preventDefault()
            }, !1),
            n.domElement.addEventListener("click", n.onMouseClick.bind(g(n)), !1),
            n.domElement.addEventListener("mousedown", n.onMouseDown.bind(g(n)), !1),
            window.addEventListener("mouseup", n.onMouseUp.bind(g(n)), !1),
            n.domElement.addEventListener("mousemove", n.onMouseMove.bind(g(n)), !1),
            n.domElement.addEventListener("mousewheel", n.onMouseWheel.bind(g(n)), !1),
            n.domElement.addEventListener("DOMMouseScroll", n.onMouseWheel.bind(g(n)), !1),
            n.domElement.addEventListener("keydown", n.onKeyDown.bind(g(n))),
            window.addEventListener("keyup", n.onKeyUp.bind(g(n))),
            window.addEventListener("blur", n.onKeyUp.bind(g(n))),
            n.domElement.addEventListener("touchstart", n.onTouchStart.bind(g(n))),
            n.domElement.addEventListener("touchend", n.onTouchEnd.bind(g(n))),
            n.domElement.addEventListener("touchmove", n.onTouchMove.bind(g(n))),
            n.addEventListener("isMeasuring", function(e) {
                n.isMeasuring = e.v
            }),
            n
        }
        return h(r, [{
            key: "updateTouchesInfo",
            value: function(e) {
                var i, r, a = this, n = this.touches, o = Array.from(e.changedTouches), t = Array.from(e.touches);
                if (this.touches = t.map(function(t) {
                    var e = n.find(function(e) {
                        return e.touch.identifier == t.identifier
                    })
                      , e = e && e.pointer;
                    return {
                        touch: t,
                        pointer: e
                    }
                }),
                0 < e.touches.length) {
                    var t = t.filter(function(t) {
                        return !n.some(function(e) {
                            return e.touch.identifier == t.identifier
                        }) && !o.some(function(e) {
                            return e.identifier == t.identifier
                        })
                    });
                    return 0 < t.length && console.warn("has new", t.map(function(e) {
                        return e.identifier
                    })),
                    t.concat(o).forEach(function(t) {
                        var e, n = a.touches.find(function(e) {
                            return e.touch.identifier == t.identifier
                        });
                        n && (e = a.getPointerInViewport(t.pageX, t.pageY, a.dragViewport || i, new yn),
                        n.pointer = e.pointer.clone(),
                        i = e.viewport,
                        r = e.camera)
                    }),
                    1 < e.touches.length ? (t = Fm.average(e.touches, "pageX"),
                    e = Fm.average(e.touches, "pageY"),
                    e = this.getPointerInViewport(t, e, i, new yn),
                    this.pointer.copy(e.pointer)) : this.pointer = this.touches[0].pointer.clone(),
                    {
                        viewport: i,
                        camera: r
                    }
                }
            }
        }, {
            key: "onTouchStart",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onTouchStart"),
                e.preventDefault(),
                this.dealPointerDown(e, !0),
                this.viewer.dispatchEvent($.extend(this.getEventDesc(e, !0), {
                    type: "global_" + e.type,
                    changedTouches: e.changedTouches
                }))
            }
        }, {
            key: "onTouchMove",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onTouchMove"),
                e.preventDefault(),
                this.dealPointerMove(e, !0),
                this.viewer.dispatchEvent($.extend(this.getEventDesc(e, !0), {
                    type: "global_" + e.type,
                    changedTouches: e.changedTouches
                }))
            }
        }, {
            key: "onTouchEnd",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onTouchEnd"),
                e.preventDefault(),
                this.updateTouchesInfo(e),
                this.dealPointerUp(e, !0),
                this.viewer.dispatchEvent($.extend(this.getEventDesc(e, !0), {
                    type: "global_" + e.type
                }))
            }
        }, {
            key: "onKeyDown",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onKeyDown"),
                e.keyCode === ym.DELETE && 0 < this.selection.length && (this.dispatchEvent({
                    type: "delete",
                    selection: this.selection
                }),
                this.deselectAll()),
                this.dispatchEvent({
                    type: "keydown",
                    keyCode: e.keyCode,
                    event: e
                }),
                this.pressedKeys[e.keyCode] = !0
            }
        }, {
            key: "onKeyUp",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onKeyUp"),
                null != e.keyCode ? delete this.pressedKeys[e.keyCode] : this.pressedKeys = {},
                e.preventDefault()
            }
        }, {
            key: "onDoubleClick",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onDoubleClick");
                var t, n = !1, i = ue(this.hoveredElements);
                try {
                    for (i.s(); !(t = i.n()).done; ) {
                        var r = t.value;
                        if (r._listeners && r._listeners.dblclick) {
                            r.object.dispatchEvent({
                                type: "dblclick",
                                mouse: this.mouse,
                                object: r.object
                            }),
                            n = !0;
                            break
                        }
                    }
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
                n || this.viewer.dispatchEvent({
                    type: "global_dblclick",
                    mouse: this.mouse,
                    object: null
                }),
                this.needSingleClick = !1,
                e.preventDefault()
            }
        }, {
            key: "onMouseClick",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onMouseClick"),
                e.preventDefault()
            }
        }, {
            key: "dealPointerDown",
            value: function(e, t) {
                var n, i;
                if (e.preventDefault(),
                t ? ((n = this.updateTouchesInfo(e)).camera,
                i = n.viewport,
                this.drag && (this.drag.end = this.pointer.clone())) : ((n = this.getPointerInViewport(e.clientX, e.clientY)).camera,
                i = n.viewport),
                this.dragViewport = this.hoverViewport = i,
                !t && Potree.settings.intersectWhenHover || (this.hoveredElements = this.getHoveredElements(),
                this.intersect = this.getIntersect(i)),
                i) {
                    if (!t || 1 == e.touches.length) {
                        var r = !1
                          , a = function() {
                            return r = !0
                        };
                        this.viewer.dispatchEvent($.extend(this.getEventDesc(e, t), {
                            type: "global_mousedown"
                        }));
                        var o, s = ue(this.hoveredElements);
                        try {
                            for (s.s(); !(o = s.n()).done; )
                                if (o.value.object.dispatchEvent({
                                    type: "mousedown",
                                    viewer: this.viewer,
                                    consume: a
                                }),
                                r)
                                    break
                        } catch (e) {
                            s.e(e)
                        } finally {
                            s.f()
                        }
                    }
                    this.drag || ((e = (t || e.button == C.LEFT) && this.hoveredElements.find(function(e) {
                        return e.object._listeners && e.object._listeners.drag && 0 < e.object._listeners.drag.length
                    })) ? this.startDragging(e.object, {
                        location: e.point
                    }) : this.startDragging(null)),
                    this.drag.intersectStart = this.intersect,
                    this.mouseDownMouse = this.mouse.clone(),
                    this.pointerDownTime = Date.now()
                }
            }
        }, {
            key: "onMouseDown",
            value: function(e) {
                this.logMessages && console.log(this.constructor.name + ": onMouseDown"),
                this.dealPointerDown(e)
            }
        }, {
            key: "getEventDesc",
            value: function(e, t) {
                var n = {
                    viewer: this.viewer,
                    mouse: this.mouse,
                    pointer: this.pointer,
                    drag: this.drag,
                    isTouch: t,
                    dragViewport: this.dragViewport,
                    hoverViewport: this.hoverViewport,
                    hoveredElement: this.hoveredElements[0],
                    intersect: this.intersect
                };
                return e && (n.isAtDomElement = e.target == this.domElement),
                t ? n.touches = this.touches : e && (n.button = e.button,
                n.buttons = e.buttons),
                n
            }
        }, {
            key: "dealPointerUp",
            value: function(e, t) {
                var n, i, r, a, o, s, l, u, c, d, h, p = this;
                this.drag && (this.drag.end.copy(this.pointer),
                t && 1 <= e.touches.length || (n = Date.now(),
                this.logMessages && console.log(this.constructor.name + ": onMouseUp"),
                e.preventDefault(),
                i = this.mouseDownMouse.distanceTo(this.mouse),
                r = n - this.pointerDownTime,
                a = 0 == this.drag.pointerDelta.length(),
                o = !1,
                s = function() {
                    return o = !0
                }
                ,
                this.viewer.dispatchEvent($.extend(this.getEventDesc(e, t), {
                    type: "global_mouseup",
                    pressDistance: i,
                    consume: s
                })),
                0 < this.hoveredElements.length && ((l = this.hoveredElements.map(function(e) {
                    return e.object
                }).find(function(e) {
                    return e._listeners && e._listeners.mouseup
                })) && l.dispatchEvent({
                    type: "mouseup",
                    viewer: this.viewer,
                    consume: s
                })),
                this.drag && (this.drag.object ? (this.logMessages && console.log("".concat(this.constructor.name, ": drop ").concat(this.drag.object.name)),
                this.drag.object.dispatchEvent($.extend(this.getEventDesc(e, t), {
                    type: "drop",
                    pressDistance: i
                }))) : this.viewer.dispatchEvent($.extend(this.getEventDesc(e, t), {
                    type: "global_drop",
                    pressDistance: i
                })),
                i < Potree.config.clickMaxDragDis && r < Potree.config.clickMaxPressTime && (this.hoveredElements && (u = this.hoveredElements.find(function(e) {
                    return e.object._listeners.click
                })) && (console.log("clickElement", u),
                this.logMessages && console.log("".concat(this.constructor.name, ": click ").concat(u.name)),
                u.object.dispatchEvent($.extend(this.getEventDesc(e, t), {
                    type: "click",
                    pressDistance: i
                }))),
                c = !1,
                d = this.getEventDesc(e, t),
                this.viewer.dispatchEvent($.extend(d, {
                    type: "global_click",
                    pressDistance: i,
                    consume: function() {
                        return c = !0
                    }
                })),
                this.needSingleClick = !0,
                c || setTimeout(function() {
                    p.needSingleClick && p.viewer.dispatchEvent($.extend(d, {
                        type: "global_single_click",
                        pressDistance: i,
                        clickElement: u
                    }))
                }, Potree.config.doubleClickTime + 1),
                n - this.lastClickTime < Potree.config.doubleClickTime && this.onDoubleClick(e),
                this.lastClickTime = n),
                this.drag = null),
                this.dragViewport = null,
                o || this.fixSelection || (e.button === C.LEFT ? a && ((h = this.hoveredElements.find(function(e) {
                    return e.object._listeners && e.object._listeners.select
                })) ? (h = h.object,
                this.isSelected(h) ? this.selection.filter(function(e) {
                    return e !== h
                }).forEach(function(e) {
                    return p.toggleSelection(e)
                }) : (this.deselectAll(),
                this.toggleSelection(h))) : this.deselectAll()) : e.button === C.RIGHT && a && this.deselectAll())))
            }
        }, {
            key: "onMouseUp",
            value: function(e) {
                this.dealPointerUp(e)
            }
        }, {
            key: "getPointerInViewport",
            value: function(e, t, n, o) {
                var s, l, u = this, i = this.domElement.getBoundingClientRect(), c = e - i.left, d = t - i.top;
                o = o || this.pointer;
                function r(e) {
                    var t = Math.ceil(u.domElement.clientWidth * e.left)
                      , n = Math.ceil(u.domElement.clientHeight * e.bottom)
                      , i = Math.ceil(u.domElement.clientWidth * e.width)
                      , e = Math.ceil(u.domElement.clientHeight * e.height);
                    return {
                        left: t,
                        bottom: n,
                        width: i,
                        height: e,
                        top: u.domElement.clientHeight - n - e
                    }
                }
                function a(e, t, n, i, r, a) {
                    u.mouse.set(c - t, d - a),
                    Jf.convertScreenPositionToNDC(o, u.mouse, i, r),
                    s = e.camera,
                    l = e
                }
                if (n) {
                    t = r(n),
                    i = t.left;
                    t.bottom;
                    a(n, i, 0, t.width, t.height, t.top)
                } else
                    for (var h = this.viewer.viewports.length, p = 0; p < h; p++) {
                        var f = this.viewer.viewports[p];
                        if (f.active) {
                            var m = r(f)
                              , v = m.left
                              , g = (m.bottom,
                            m.width)
                              , y = m.height
                              , m = m.top;
                            if (v <= c && c <= v + g && m <= d && d <= m + y) {
                                a(f, v, 0, g, y, m);
                                break
                            }
                        }
                    }
                return {
                    camera: s,
                    viewport: l,
                    pointer: o
                }
            }
        }, {
            key: "ifBlockedByIntersect",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
                  , n = 2 < arguments.length ? arguments[2] : void 0
                  , i = 3 < arguments.length ? arguments[3] : void 0
                  , r = 4 < arguments.length ? arguments[4] : void 0
                  , a = 5 < arguments.length ? arguments[5] : void 0
                  , r = this.getIntersect(this.hoverViewport, !0, r, null, n = i ? !0 : n, {
                    point: e,
                    cameraPos: i,
                    pano: a
                })
                  , i = !n && a ? a.position : i || this.hoverViewport.view.position;
                if (r && r.distance + t <= e.distanceTo(i))
                    return r
            }
        }, {
            key: "getIntersect",
            value: function(e, t, n, i, r) {
                var a, o, s, l, u = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : {}, c = e.camera;
                return "showPanos" != Potree.settings.displayMode || !viewer.images360.currentPano.pointcloud.hasDepthTex || r || this.isMeasuring || e != viewer.mainViewport ? (u.point && (u.cameraPos && c.position.copy(u.cameraPos),
                c.lookAt(u.point),
                c.updateMatrixWorld(),
                u.pointer = this.pointer.clone(),
                u.mouse = this.mouse.clone(),
                this.pointer.set(0, 0),
                this.mouse.set(Math.round(e.resolution.x / 2), Math.round(e.resolution.y / 2))),
                l = e.noPointcloud || i ? null : Jf.getMousePointCloudIntersection(e, this.mouse, this.pointer, c, this.viewer, this.viewer.scene.pointclouds, {
                    pickClipped: !0,
                    isMeasuring: this.isMeasuring,
                    pickWindowSize: n,
                    cameraChanged: !!u.point
                }),
                u.point && (e.view.applyToCamera(c),
                this.pointer.copy(u.pointer),
                this.mouse.copy(u.mouse))) : (a = u.point ? (a = (u.pano || c).position,
                {
                    dir: (new Cn).subVectors(u.point, a).normalize()
                }) : Jf.getIntersect(c, [viewer.images360.cube], this.pointer, s),
                l = viewer.images360.depthSampler.sample(a, u.pano, !!u.point)),
                Potree.settings.intersectOnObjs && !i && (u.point && (s = new sh,
                u = (new Cn).subVectors(u.point, c.position).normalize(),
                s.set(c.position, u)),
                (s = this.getHoveredElements(viewer.objs.children, !0, s))[0] && (o = {
                    hoveredElement: s[0],
                    location: s[0].point,
                    normal: s[0].face.normal,
                    distance: s[0].distance,
                    object: s[0].object
                })),
                l = l && o ? l.distance < o.distance ? l : o : o || l,
                "OrthographicCamera" == e.camera.type && (e = new Cn(this.pointer.x,this.pointer.y,-1).unproject(e.camera),
                (l = l || {}).orthoIntersect = e.clone()),
                t || (l && viewer.showCoordType && (t = l.point.position.toArray(),
                "local" == viewer.showCoordType || (t = "lonlat" == viewer.showCoordType ? viewer.transform.lonlatToLocal.inverse(t) : (t = viewer.transform.lonlatToLocal.inverse(t),
                viewer.transform.lonlatTo4550.forward(t))),
                viewer.dispatchEvent({
                    type: "coordinateChange",
                    pos: t
                })),
                (this.intersect = l) && (this.hoverViewport.lastIntersect = l)),
                l
            }
        }, {
            key: "onMouseMove",
            value: function(e) {
                return this.dealPointerMove(e)
            }
        }, {
            key: "dealPointerMove",
            value: function(e, t) {
                var n;
                if (n = t ? ((n = this.updateTouchesInfo(e)).camera,
                n.viewport) : ((a = this.getPointerInViewport(e.clientX, e.clientY, this.dragViewport)).camera,
                a.viewport),
                this.hoverViewport = n) {
                    var i, r, a = this.viewer.viewports.some(function(e) {
                        return e.view.isFlying()
                    }) || viewer.scene.cameraAnimations.some(function(e) {
                        return e.onUpdate
                    });
                    if ((e.onlyGetIntersect || Potree.settings.intersectWhenHover && (!this.drag || this.drag.object || n.alignment)) && (i = this.drag && n.alignment || a,
                    i = this.getIntersect(n, e.onlyGetIntersect, e.pickWindowSize, !!i, e.whichPointcloud)),
                    e.onlyGetIntersect)
                        return i;
                    e.preventDefault(),
                    this.drag && (this.drag.mouse = t ? 1 : e.buttons,
                    this.drag.pointerDelta.subVectors(this.pointer, this.drag.end),
                    this.drag.end.copy(this.pointer),
                    !this.drag.object || e.buttons != rm.NONE && this.drag.notPressMouse ? (this.logMessages && console.log(this.constructor.name + ": drag: "),
                    this.viewer.dispatchEvent($.extend(this.getEventDesc(e, t), {
                        type: "global_drag",
                        consume: function() {}
                    }))) : (this.logMessages && console.log(this.constructor.name + ": drag: " + this.drag.object.name),
                    this.drag.object.dispatchEvent($.extend(this.getEventDesc(e, t), {
                        type: "drag"
                    })))),
                    t && 1 != e.touches.length || ((!this.drag || this.drag.notPressMouse || Potree.settings.intersectOnObjs && this.drag.object) && !a && (0 < (i = this.getHoveredElements()).length && (r = i.map(function(e) {
                        return e.object.name
                    }).join(", "),
                    this.logMessages && console.log("".concat(this.constructor.name, ": onMouseMove; hovered: '").concat(r, "'"))),
                    (a = i.map(function(e) {
                        return e.object
                    }).find(function(e) {
                        return !0
                    })) !== (r = this.lastMouseoverElement) && (a && (this.logMessages && console.log("".concat(this.constructor.name, ": mouseover: ").concat(a.name)),
                    a.dispatchEvent({
                        type: "mouseover",
                        object: a
                    })),
                    r && (this.logMessages && console.log("".concat(this.constructor.name, ": mouseleave: ").concat(r.name)),
                    r.dispatchEvent({
                        type: "mouseleave",
                        object: r
                    })),
                    this.lastMouseoverElement = a),
                    0 < i.length && ((a = i.map(function(e) {
                        return e.object
                    }).find(function(e) {
                        return e._listeners && e._listeners.mousemove
                    })) && a.dispatchEvent({
                        type: "mousemove",
                        object: a
                    })),
                    this.hoveredElements = i),
                    this.viewer.dispatchEvent($.extend(this.getEventDesc(e, t), {
                        type: "global_mousemove"
                    })))
                }
            }
        }, {
            key: "onMouseWheel",
            value: function(e) {
                var t, n;
                this.enabled && (this.logMessages && console.log(this.constructor.name + ": onMouseWheel"),
                e.preventDefault(),
                void (n = 0) !== e.wheelDelta ? n = e.wheelDelta : void 0 !== e.detail && (n = -e.detail),
                t = Math.sign(n),
                this.hoverViewport || (n = this.getPointerInViewport(e.clientX, e.clientY).viewport,
                this.hoverViewport = n),
                this.hoveredElement ? this.hoveredElement.object.dispatchEvent($.extend(this.getEventDesc(e, isTouch), {
                    type: "mousewheel",
                    delta: t,
                    object: this.hoveredElement.object
                })) : this.viewer.dispatchEvent($.extend(this.getEventDesc(e), {
                    type: "global_mousewheel",
                    delta: t
                })))
            }
        }, {
            key: "startDragging",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : null
                  , n = e ? e.name : "no name";
                if (this.logMessages && console.log("".concat(this.constructor.name, ": startDragging: '").concat(n, "'")),
                this.drag = {
                    start: this.pointer.clone(),
                    end: this.pointer.clone(),
                    pointerDelta: new yn(0,0),
                    object: e,
                    hoverViewport: this.hoverViewport,
                    dragViewport: this.hoverViewport
                },
                t)
                    for (var i = 0, r = Object.keys(t); i < r.length; i++) {
                        var a = r[i];
                        this.drag[a] = t[a]
                    }
                e && e.dispatchEvent($.extend(this.getEventDesc(), {
                    type: "startDragging"
                }))
            }
        }, {
            key: "toggleSelection",
            value: function(e) {
                var t = this.selection
                  , n = this.selection.indexOf(e);
                -1 === n ? (this.selection.push(e),
                e.dispatchEvent({
                    type: "select"
                })) : (this.selection.splice(n, 1),
                e.dispatchEvent({
                    type: "deselect"
                })),
                this.dispatchEvent({
                    type: "selection_changed",
                    oldSelection: t,
                    selection: this.selection
                })
            }
        }, {
            key: "deselect",
            value: function(e) {
                var t = this.selection
                  , n = this.selection.indexOf(e);
                0 <= n && (this.selection.splice(n, 1),
                e.dispatchEvent({
                    type: "deselect"
                }),
                this.dispatchEvent({
                    type: "selection_changed",
                    oldSelection: t,
                    selection: this.selection
                }))
            }
        }, {
            key: "deselectAll",
            value: function() {
                var e, t = ue(this.selection);
                try {
                    for (t.s(); !(e = t.n()).done; )
                        e.value.dispatchEvent({
                            type: "deselect"
                        })
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                var n = this.selection;
                0 < this.selection.length && (this.selection = [],
                this.dispatchEvent({
                    type: "selection_changed",
                    oldSelection: n,
                    selection: this.selection
                }))
            }
        }, {
            key: "isSelected",
            value: function(e) {
                return -1 !== this.selection.indexOf(e)
            }
        }, {
            key: "registerInteractiveObject",
            value: function(e) {
                this.interactiveObjects.add(e)
            }
        }, {
            key: "removeInteractiveObject",
            value: function(e) {
                this.interactiveObjects.delete(e)
            }
        }, {
            key: "registerInteractiveScene",
            value: function(e) {
                -1 === this.interactiveScenes.indexOf(e) && this.interactiveScenes.push(e)
            }
        }, {
            key: "unregisterInteractiveScene",
            value: function(e) {
                e = this.interactiveScenes.indexOf(e);
                -1 < e && this.interactiveScenes.splice(e, 1)
            }
        }, {
            key: "getHoveredElement",
            value: function() {
                var e = this.getHoveredElements();
                return 0 < e.length ? e[0] : null
            }
        }, {
            key: "getHoveredElements",
            value: function(r, e, t) {
                var a = this;
                r || function() {
                    var e = a.hoverViewport.interactiveScenes || a.interactiveScenes.concat(a.scene)
                      , n = ["mouseup", "mousemove", "mouseover", "mouseleave", "drag", "drop", "click", "select", "deselect"];
                    r = [];
                    var t, i = ue(e);
                    try {
                        for (i.s(); !(t = i.n()).done; )
                            t.value.traverseVisible(function(t) {
                                t._listeners && t.visible && !a.blacklist.has(t) && 0 < n.filter(function(e) {
                                    return void 0 !== t._listeners[e]
                                }).length && r.push(t)
                            })
                    } catch (e) {
                        i.e(e)
                    } finally {
                        i.f()
                    }
                }();
                var n, i = this.hoverViewport.camera;
                t || (n = Jf.mouseToRay(this.pointer, i),
                (t = new sh).ray.set(n.origin, n.direction),
                t.camera = i),
                "OrthographicCamera" == i.type ? t.params.Line.threshold = 20 / i.zoom : t.params.Line.threshold = .2,
                t.params.Line2 = {
                    threshold: 20
                },
                viewer.setCameraLayers(t, ["sceneObjects", "mapObjects", "measure", "transformationTool", "model"], this.hoverViewport && this.hoverViewport.extraEnableLayers),
                viewer.dispatchEvent({
                    type: "raycaster",
                    viewport: this.hoverViewport
                });
                t = t.intersectObjects(r.filter(function(e) {
                    return e.visible
                }), !0);
                t.slice();
                return t = (t = (t = this.intersect && null != this.intersect.distance && !e ? t.filter(function(e) {
                    var t = e.object.material;
                    return (e.object.pickDontCheckDis || 0 == t.depthTest || 0 == t.depthWrite) && !t.useDepth || (t.useDepth ? e.distance < a.intersect.distance + t.uniforms.occlusionDistance.value : e.distance < a.intersect.distance)
                }) : t).map(function(e) {
                    var t = e.object;
                    do {
                        if (r.includes(t)) {
                            e.oriObject = e.object,
                            e.object = t;
                            break
                        }
                    } while (t = t.parent);
                    return e
                })).sort(function(e, t) {
                    return (t.object.pickOrder || 0) - (e.object.pickOrder || 0)
                })
            }
        }, {
            key: "update",
            value: function(e) {}
        }, {
            key: "getMouseDirection",
            value: function(e) {
                e = e || this.pointer;
                var t = this.hoverViewport.camera
                  , n = new Cn(e.x,e.y,-1).unproject(t);
                return {
                    origin: n,
                    direction: new Cn(e.x,e.y,1).unproject(t).clone().sub(n).normalize()
                }
            }
        }]),
        r
    }(), zg = function() {
        y(r, hn);
        var i = w(r);
        function r(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {};
            return O(this, r),
            (t = i.call(this)).name = n.name,
            t.renderArea = e,
            t.oldResolution = new yn,
            t.screenSizeInfo = {
                W: 0,
                H: 0,
                pixelRatio: 1,
                windowWidth: 0,
                windowHeight: 0
            },
            t.initContext(n),
            t.addEventListener("content_changed", function() {
                t.needRender = !0
            }),
            t
        }
        return h(r, [{
            key: "initContext",
            value: function(e) {
                var t = this
                  , n = (this.renderArea.clientWidth,
                this.renderArea.clientHeight,
                document.createElement("canvas"))
                  , i = n.getContext("webgl", {
                    alpha: !0,
                    depth: !0,
                    stencil: !1,
                    antialias: !0,
                    preserveDrawingBuffer: !0,
                    powerPreference: "high-performance"
                });
                this.renderer = new ps({
                    alpha: !0,
                    premultipliedAlpha: !1,
                    canvas: n,
                    context: i
                }),
                this.renderer.sortObjects = !0,
                this.renderer.autoClear = e.autoClear || !1,
                e.clearColor && this.renderer.setClearColor(e.clearColor),
                this.renderArea.appendChild(this.renderer.domElement),
                this.renderer.domElement.tabIndex = "2222",
                this.renderer.domElement.style.position = "absolute",
                this.renderer.domElement.addEventListener("mousedown", function() {
                    t.renderer.domElement.focus()
                });
                i = this.renderer.getContext();
                if (i.getExtension("EXT_frag_depth"),
                i.getExtension("WEBGL_depth_texture"),
                i.getExtension("WEBGL_color_buffer_float"),
                null == i.createVertexArray) {
                    e = i.getExtension("OES_vertex_array_object");
                    if (!e)
                        throw new Error("OES_vertex_array_object extension not supported");
                    i.createVertexArray = e.createVertexArrayOES.bind(e),
                    i.bindVertexArray = e.bindVertexArrayOES.bind(e)
                }
            }
        }, {
            key: "updateScreenSize",
            value: function() {
                var e, t, n, i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, r = !1;
                null != i.width && null != i.height ? (t = i.width,
                n = i.height,
                r = !0,
                e = 1) : (t = this.renderArea.clientWidth,
                n = this.renderArea.clientHeight,
                t === this.screenSizeInfo.W && n === this.screenSizeInfo.H && !i.forceUpdateSize && this.screenSizeInfo.pixelRatio == window.devicePixelRatio || (this.screenSizeInfo.W = t,
                this.screenSizeInfo.H = n,
                r = !0,
                this.screenSizeInfo.pixelRatio = window.devicePixelRatio,
                e = window.devicePixelRatio)),
                r && this.setSize(t, n, e)
            }
        }, {
            key: "setSize",
            value: function(r, a, e, t) {
                t || this.renderer.setSize(r, a, null, e),
                this.composer && this.composer.setSize(r, a),
                this.viewports && this.viewports.forEach(function(e, t) {
                    var n, i;
                    e.active && (n = r * e.width,
                    0 != (i = a * e.height) && (e.setResolution(Math.ceil(n), Math.ceil(i), r, a),
                    e.camera.aspect = n / i,
                    "OrthographicCamera" == e.camera.type && (e.camera.left = -n / 2,
                    e.camera.right = n / 2,
                    e.camera.bottom = -i / 2,
                    e.camera.top = i / 2),
                    e.camera.updateProjectionMatrix()))
                }),
                t || this.emitResizeMsg({
                    viewport: this.viewports[0],
                    deviceRatio: e
                })
            }
        }, {
            key: "emitResizeMsg",
            value: function(e) {
                e.viewport.resolution.equals(this.oldResolution) || (this.dispatchEvent($.extend(e, {
                    type: "resize"
                })),
                this.oldResolution.copy(e.viewport.resolution))
            }
        }, {
            key: "cameraChanged",
            value: function() {
                for (var e = !1, t = 0, n = this.viewports.length; t < n; t++) {
                    var i = this.viewports[t].cameraChanged();
                    i.changed && (e = !0,
                    this.dispatchEvent({
                        type: "camera_changed",
                        camera: this.viewports[t].camera,
                        viewport: this.viewports[t],
                        changeInfo: i
                    }))
                }
                return e
            }
        }, {
            key: "makeScreenshot",
            value: function(e, t, n) {
                var i = e.width
                  , r = e.height
                  , e = new An(i,r,{
                    format: et
                });
                this.setSize(i, r, 1, !0),
                this.render({
                    target: e,
                    viewports: t || this.viewports,
                    screenshot: !0,
                    width: i,
                    height: r,
                    resize: !0
                });
                n = Potree.Utils.renderTargetToDataUrl(e, i, r, this.renderer, n);
                return e.dispose(),
                {
                    width: i,
                    height: r,
                    dataUrl: n
                }
            }
        }]),
        r
    }(), Ng = {
        uniforms: {
            opacity: {
                type: "f",
                value: 1
            },
            progress: {
                type: "f",
                value: 0
            },
            pano0Map: {
                type: "t",
                value: null
            },
            pano1Map: {
                type: "t",
                value: null
            },
            depthMap0: {
                type: "t",
                value: null
            },
            depthMap1: {
                type: "t",
                value: null
            },
            pano0Position: {
                type: "v3",
                value: new Cn
            },
            pano0Matrix: {
                type: "m4",
                value: new ni
            },
            pano1Position: {
                type: "v3",
                value: new Cn
            },
            pano1Matrix: {
                type: "m4",
                value: new ni
            },
            inverseProjectionMatrix: {
                value: new ni
            },
            viewport: {
                value: new Mn
            },
            cameraHeight0: {
                type: "f",
                value: 1
            },
            cameraHeight1: {
                type: "f",
                value: 1
            }
        },
        vertexShader: "precision highp float;\nprecision highp int;\n\nuniform mat4 modelMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;\nuniform vec3 cameraPosition;\nattribute vec3 position;\nattribute vec3 normal;\nattribute vec2 uv;\n\n\n            uniform vec3 pano0Position;\n            uniform mat4 pano0Matrix;\n            \n            uniform vec3 pano1Position;\n            uniform mat4 pano1Matrix;\n            //uniform mat4 pano1Matrix2;\n\n           \n            varying vec2 vUv; \n            varying vec3 vWorldPosition0;\n            varying vec3 vWorldPosition1;\n            varying vec3 vWorldPosition12;\n            \n            vec3 transformAxis( vec3 direction ) //navvis->4dkk\n            {\n                float y = direction.y;\n                direction.y = direction.z;\n                direction.z = -y;\n                return  direction;\n            }\n             \n            \n            void main() {\n            \n                vUv = uv;\n                vec4 worldPosition = modelMatrix * vec4(position, 1.0);\n                \n                \n            \n                vec3 positionLocalToPanoCenter0 = worldPosition.xyz - pano0Position;\n                vWorldPosition0 = (vec4(positionLocalToPanoCenter0, 1.0) * pano0Matrix).xyz;\n                vWorldPosition0.x *= -1.0;\n                vWorldPosition0 = transformAxis(vWorldPosition0);\n                \n                vec3 positionLocalToPanoCenter1 = worldPosition.xyz - pano1Position;\n                vWorldPosition1 = (vec4(positionLocalToPanoCenter1, 1.0) * pano1Matrix).xyz;\n                vWorldPosition1.x *= -1.0;\n                vWorldPosition1 = transformAxis(vWorldPosition1);\n                \n                /* \n                vec3 positionLocalToPanoCenter12 = worldPosition.xyz - pano1Position;\n                vWorldPosition12 = (vec4(positionLocalToPanoCenter12, 1.0) * pano1Matrix2).xyz;\n                vWorldPosition12.x *= -1.0;\n                vWorldPosition12 = transformAxis(vWorldPosition12);\n                 */\n                \n                \n                \n                gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n            \n            }\n\n        ",
        fragmentShader: "precision highp float;\nprecision highp int;\n\nuniform mat4 viewMatrix;\nuniform vec3 cameraPosition;\n\n             \n            #define PI 3.141592653 \n            \n             \n            uniform float modelAlpha;\n            uniform float opacity;\n            uniform float progress;\n            uniform int blackout;\n            uniform vec3 pano0Position;\n            uniform vec3 pano1Position;\n            uniform float maxDistance;\n            uniform float minDistance;\n            uniform float minOpa;\n            \n            uniform float cameraHeight0;\n            uniform float cameraHeight1;\n\n          \n       \n            /* uniform sampler2D pano0Map;\n            uniform sampler2D pano1Map;    */   \n            uniform samplerCube pano0Map;\n            uniform samplerCube pano1Map;\n          \n            \n            varying vec2 vUv; \n            varying vec3 vWorldPosition0;\n            varying vec3 vWorldPosition1;\n            //varying vec3 vWorldPosition12;\n          \n            /* vec2 getSamplerCoord( vec3 direction ) \n            {\n                direction = normalize(direction);\n                float tx=atan(direction.x,-direction.y)/(PI*2.0)+0.5;\n                float ty=acos(direction.z)/PI;\n\n                return vec2(tx,ty);\n            } */\n\n            vec2 getSamplerCoord2( vec3 direction ) \n            { \n                direction = normalize(direction);\n                float tx=atan(direction.x,direction.z)/(PI*2.0)+0.5;\n                float ty=acos(direction.y)/PI;\n\n                return vec2(tx,ty); \n            }\n            \n            #extension GL_EXT_frag_depth : enable\n            #if defined(GL_EXT_frag_depth) && defined(hasDepthTex)  \n                uniform sampler2D depthMap0;\n                uniform sampler2D depthMap1;\n                uniform mat4 inverseProjectionMatrix;\n                uniform mat4 projectionMatrix;\n                uniform vec4 viewport; \n            \n                vec2 getDepth(vec3 dir, sampler2D depthMap, float height, vec4 eyePos){\n                    vec2 depthValue = vec2(0.0, 0.0);\n                    vec2 uv2 = getSamplerCoord2(/* vWorldPosition12 */dir.xyz);  //暂时只用基于目标漫游点的方向\n                    uv2.x -= 0.25;    //全景图和Cube的水平采样起始坐标相差90度，这里矫正 0.25 个采样偏移\n                    vec4 depth = texture2D(depthMap, uv2);\n                    //float distance = depth.r + 256. * (depth.g + 256. * depth.b);\n                    //distance *= 255. * .001;           // distance is now in meters\n                    \n                    //更改\n                    float distance = (depth.g + depth.r / 256.) * 255.;  //为什么要乘以255 \n                    \n                    if(distance == 0.0){//漫游点底部识别不到的区域，给一个地板高度 \n                         if(uv2.y > 0.75)distance = height / dir.y; \n                         else distance = 100000.0;//给个超级远的值\n                    } \n                    depthValue.x = distance;\n                    \n                   // return  r[1] + r[0] / 256  \n                    distance += .1;          // add a safety margin\n\n                    vec4 eyePos2 = vec4(normalize(eyePos.xyz) * distance, 1.);\n                    vec4 clipPos2 = projectionMatrix * eyePos2;\n                    vec4 ndcPos2 = clipPos2 * 1. / clipPos2.w;\n\n                    \n                    depthValue.y = 0.5 * ((gl_DepthRange.far - gl_DepthRange.near) * ndcPos2.z\n                            + gl_DepthRange.near + gl_DepthRange.far); \n                    return depthValue;      \n                }\n                //注：未加载好的话，depth为0，导致第一次漫游过去的时候许多mesh会立刻被遮挡，所以要确保加载完\n            #endif\n            \n            void main()\n            {\n                \n                /* vec2 samplerCoord0 = getSamplerCoord(vWorldPosition0.xyz);\n                vec2 samplerCoord1 = getSamplerCoord(vWorldPosition1.xyz);  \n                vec4 colorFromPano0=texture2D(pano0Map,samplerCoord0);\n                vec4 colorFromPano1=texture2D(pano1Map,samplerCoord1); */\n                \n                vec4 colorFromPano0 = vec4(0.0,0.0,0.0,0.0);\n                if(progress < 1.0){//通常是1\n                    colorFromPano0=textureCube(pano0Map,vWorldPosition0.xyz);\n                }\n                vec4 colorFromPano1=textureCube(pano1Map,vWorldPosition1.xyz);\n \n                gl_FragColor=mix(colorFromPano0,colorFromPano1,progress);\n              \n              \n                \n              \n                //深度图修改深度\n              \n                #if defined(GL_EXT_frag_depth) && defined(hasDepthTex)  \n                    vec4 ndcPos;\n                    ndcPos.xy = ((2.0 * gl_FragCoord.xy) - (2.0 * viewport.xy)) / (viewport.zw) - 1.;\n                    ndcPos.z = (2.0 * gl_FragCoord.z - gl_DepthRange.near - gl_DepthRange.far) /\n                        (gl_DepthRange.far - gl_DepthRange.near);\n                    ndcPos.w = 1.0;\n\n                    vec4 clipPos = ndcPos / gl_FragCoord.w;\n                    vec4 eyePos = inverseProjectionMatrix * clipPos;\n                    vec2 depth0 = vec2(0.0,0.0); \n                    if(progress < 1.0){\n                        depth0 = getDepth(vWorldPosition0, depthMap0, cameraHeight0, eyePos);\n                    }\n                    vec2 depth1 = getDepth(vWorldPosition1, depthMap1, cameraHeight1, eyePos);\n                    \n                    /* if(progress < 1.0 && depth1.x == 0.0 && depth0.x > 0.0){\n                        gl_FragDepthEXT = depth0.y; \n                    }else{ */\n                        gl_FragDepthEXT = mix(depth0.y,depth1.y,progress);\n                    //}\n                    \n                    \n\n                #endif\n\n                \n            }\n        "
    }, Ug = function() {
        y(r, Gu);
        var i = w(r);
        function r() {
            O(this, r);
            function t(e) {
                var e = (t = e.viewport).offset || new Vector2
                  , t = t.resolution2;
                n.uniforms.viewport.value.set(e.x, e.y, t.x, t.y)
            }
            var n = i.call(this, {
                fragmentShader: Ng.fragmentShader,
                vertexShader: Ng.vertexShader,
                uniforms: Jr.clone(Ng.uniforms),
                side: Y,
                name: "ModelTextureMaterial",
                defines: {}
            })
              , e = viewer.mainViewport;
            return t({
                viewport: e
            }),
            viewer.addEventListener("resize", function(e) {
                t(e)
            }),
            viewer.addEventListener("camera_changed", function(e) {
                n.uniforms.inverseProjectionMatrix.value.copy(e.camera.projectionMatrixInverse)
            }),
            n
        }
        return h(r, [{
            key: "setProjectedPanos",
            value: function(e, t, n) {
                null != n && (this.uniforms.progress.value = n),
                e && (this.uniforms.pano0Map.value = e.getSkyboxTexture(),
                this.uniforms.pano0Position.value.copy(e.position),
                this.uniforms.pano0Matrix.value.copy(e.panoMatrix),
                this.uniforms.cameraHeight0.value = e.floorPosition.distanceTo(e.position)),
                this.uniforms.pano1Map.value = t.getSkyboxTexture(),
                this.uniforms.pano1Position.value.copy(t.position),
                this.uniforms.pano1Matrix.value.copy(t.panoMatrix),
                this.uniforms.cameraHeight1.value = t.floorPosition.distanceTo(t.position),
                this.pano0 = e,
                this.pano1 = t,
                this.updateDepthTex(e),
                this.updateDepthTex(t),
                this.needsUpdate = !0
            }
        }, {
            key: "updateDepthTex",
            value: function(e) {
                Potree.settings.useDepthTex && e && e.depthTex && (e == this.pano0 || e == this.pano1) && (this.uniforms.depthMap0.value = this.pano0 && this.pano0.depthTex,
                this.uniforms.depthMap1.value = this.pano1 && this.pano1.depthTex,
                this.updateDepthTexEnable())
            }
        }, {
            key: "updateDepthTexEnable",
            value: function() {
                var e = this.pano0 && this.pano1 && this.pano0.pointcloud.hasDepthTex && this.pano1.pointcloud.hasDepthTex;
                Fm.addOrRemoveDefine(this, "hasDepthTex", e ? "add" : "remove")
            }
        }]),
        r
    }(), Gg = {
        TILE_SIZE: 512,
        FACES_PER_PANO: 6,
        LocationOnTile: {
            Center: 0,
            UpperLeft: 1,
            UpperRight: 2,
            LowerRight: 3,
            LowerLeft: 4
        },
        getTileVector: function(e, t, n, i, r, a, o, s) {
            var l = e / t
              , u = 2 * (t / e)
              , c = u / 2
              , d = 2 * (i / l) - 1 + c
              , h = 2 * ((r = l - 1 - r) / l) - 1 + c;
            switch (a = a || Gg.LocationOnTile.Center) {
            case Gg.LocationOnTile.UpperLeft:
                d -= c,
                h += c,
                d += o * u;
                break;
            case Gg.LocationOnTile.UpperRight:
                d += c,
                h += c,
                h -= o * u;
                break;
            case Gg.LocationOnTile.LowerRight:
                d += c,
                h -= c,
                d -= o * u;
                break;
            case Gg.LocationOnTile.LowerLeft:
                d -= c,
                h -= c,
                h += o * u;
                break;
            case Gg.LocationOnTile.Center:
            }
            switch (n) {
            case um.GL_TEXTURE_CUBE_MAP_POSITIVE_X:
                wg.setVector(s, -1, h, -d);
                break;
            case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
                wg.setVector(s, 1, h, d);
                break;
            case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
                wg.setVector(s, -d, 1, -h);
                break;
            case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
                wg.setVector(s, -d, -1, h);
                break;
            case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
                wg.setVector(s, -d, h, 1);
                break;
            case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
                wg.setVector(s, d, h, -1)
            }
            wg.normalize(s)
        },
        getFaceForTile: function(e, t) {
            var n = Gg.TILE_SIZE;
            e < Gg.TILE_SIZE && (n = e);
            n = Math.floor(e / n);
            return Math.floor(t / (n * n))
        },
        getTileLocation: function(e, t, n) {
            var i = Gg.TILE_SIZE;
            e < Gg.TILE_SIZE && (i = e);
            var r = Gg.getFaceForTile(e, t)
              , i = Math.floor(e / i)
              , t = t - r * (i * i);
            return n.tileX = t % i,
            n.tileY = Math.floor(t / i),
            n.face = r,
            n.faceTileIndex = t,
            n
        },
        getTileCountForSize: function(e) {
            if (e <= Gg.TILE_SIZE)
                return Gg.FACES_PER_PANO;
            e = Math.floor(e / Gg.TILE_SIZE);
            return e * e * Gg.FACES_PER_PANO
        }
    };
    Gg.getRelativeDirection = (Bg = new wg.Matrix4,
    Lg = new wg.Quaternion,
    function(e, t) {
        Lg.copy(e),
        Lg.inverse(),
        Bg.makeRotationFromQuaternion(Lg),
        Bg.applyToVector3(t),
        wg.normalize(t)
    }
    ),
    Gg.matchingTilesInDirection = (Cg = new wg.Vector3,
    Pg = new wg.Vector3(0,0,-1),
    Dg = new wg.Quaternion,
    Sg = {
        face: -1,
        faceTileIndex: -1,
        tileX: -1,
        tileY: -1
    },
    kg = function(e, t, n) {
        for (var i = Gg.getTileCountForSize(e), r = 0, a = 0; a < i; a++)
            Gg.getTileLocation(e, a, Sg),
            t && !t(Sg) || (r++,
            n && n.push({
                face: Sg.face,
                faceTileIndex: Sg.faceTileIndex,
                tileX: Sg.tileX,
                tileY: Sg.tileY
            }));
        return r
    }
    ,
    function(e, t, n, i, r, a) {
        var o = t < Gg.TILE_SIZE ? t : Gg.TILE_SIZE;
        if (!i && !r)
            return kg(t, null, a);
        var s = !!r;
        if (r = r || i,
        r = Math.max(0, Math.min(r, 360)),
        i = Math.max(0, Math.min(i, 360)),
        wg.copyVector(n, Cg),
        Gg.getRelativeDirection(e.quaternion4dkk, Cg),
        s) {
            Dg.setFromUnitVectors(Cg, Pg);
            return kg(t, function(e) {
                return Gg.isTileWithinFrustum(t, o, e.face, e.tileX, e.tileY, Dg, i, r)
            }, a)
        }
        return kg(t, function(e) {
            return Gg.isTileWithinFOV(t, o, e.face, e.tileX, e.tileY, Cg, i)
        }, a)
    }
    ),
    Gg.isTileWithinFrustum = (Tg = new wg.Vector3,
    function(e, t, n, i, r, a, o, s) {
        for (var l, u, c = Math.tan(.5 * s * wg.RADIANS_PER_DEGREE), d = -c, h = Math.tan(.5 * o * wg.RADIANS_PER_DEGREE), p = -h, f = Gg.mapFaceToCubemapFace(n), m = 0, v = 0, g = 0, y = 0, w = 0, b = Gg.LocationOnTile.Center; b <= Gg.LocationOnTile.LowerLeft; b++)
            Gg.getTileVector(e, t, f, i, r, b, 0, Tg),
            wg.applyQuaternionToVector(a, Tg),
            -1e-5 <= Tg.z ? 0 : (u = -1 / Tg.z,
            l = Tg.x * u,
            c < (u = Tg.y * u) ? m++ : u < d && v++,
            h < l ? g++ : l < p && y++,
            w++);
        return v !== w && m !== w && g !== w && y !== w
    }
    ),
    Gg.isTileWithinFOV = (_g = new wg.Vector3,
    Mg = new wg.Vector3(0,1,0),
    Ag = new wg.Vector3(1,0,0),
    function(e, t, n, i, r, a, o) {
        var s = Gg.mapFaceToCubemapFace(n);
        if (wg.cross(a, Mg, Ag),
        Gg.getTileVector(e, t, s, i, r, Gg.LocationOnTile.Center, 0, _g),
        Gg.isWithinFOV(_g, a, o, null))
            return !0;
        for (var l = o / 360, u = Math.floor(1 / l), c = 0, d = 0; d < u; d++) {
            for (var h = Gg.LocationOnTile.UpperLeft; h <= Gg.LocationOnTile.LowerLeft; h++)
                if (Gg.getTileVector(e, t, s, i, r, h, c, _g),
                Gg.isWithinFOV(_g, a, o, null))
                    return !0;
            c += l
        }
        return !1
    }
    ),
    Gg.isWithinFOV = (xg = new wg.Vector3,
    Eg = new wg.Vector3,
    function(e, t, n, i) {
        wg.copyVector(e, Eg),
        i && (wg.copyVector(i, xg),
        wg.normalize(xg),
        e = wg.dot(xg, e),
        xg.x *= e,
        xg.y *= e,
        xg.z *= e,
        wg.subVector(Eg, xg));
        n = n / 2 * wg.RADIANS_PER_DEGREE;
        return Math.cos(n) <= wg.dot(Eg, t)
    }
    ),
    Gg.mapFaceToCubemapFace = (bg = {
        0: um.GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
        1: um.GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
        2: um.GL_TEXTURE_CUBE_MAP_POSITIVE_X,
        3: um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
        4: um.GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
        5: um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y
    },
    function(e) {
        return bg[e]
    }
    );
    var Hg, Vg, jg, Wg, Xg = new _c, qg = {
        sizeInfo: {
            minSize: 200,
            maxSize: 250,
            nearBound: .8,
            farBound: 10
        },
        backgroundColor: {
            r: 255,
            g: 255,
            b: 255,
            a: .4
        },
        textColor: {
            r: 0,
            g: 0,
            b: 0,
            a: 1
        },
        borderRadius: 15,
        renderOrder: 10
    }, Jg = new ua(.2,.2), Yg = (new Su(.1,8,8),
    new $i({
        color: 16711680
    }),
    new $i({}),
    (new Sn).setFromAxisAngle(new Cn(0,0,1), Math.PI / 2)), Zg = null, Qg = function() {
        y(a, hn);
        var r = w(a);
        function a(t, e) {
            var n, i;
            return O(this, a),
            (n = r.call(this)).id = t.id,
            n.images360 = e,
            n.visible = !0,
            n.enabled = !0,
            n.addEventListener("isVisible", function(e) {
                viewer.updateVisible(n.marker, "panoVisi", e.visible),
                Potree.settings.showPanoMesh && (n.mesh.visible = e.visible),
                ("screenshot" == e.reason || e.visible) && n.label && (n.label.visible = e.visible),
                viewer.updateVisible(n.label2, "panoVisi", e.visible)
            }),
            "pano" == Potree.settings.editType ? (n.uuid = t.uuid,
            n.index = t.index,
            n.pointcloud = viewer.scene.pointclouds.find(function(e) {
                return e.panoUuid == t.uuid
            }),
            n.pointcloud.panos.push(g(n)),
            n.sid = n.pointcloud.dataset_id + "|" + n.uuid,
            n.panosData = t,
            n.dataPosition = (new Cn).copy(t.pose.translation),
            n.dataQuaternion = (new Sn).copy(t.pose.rotation),
            n.dataRotation = (new ci).setFromQuaternion(n.dataQuaternion),
            n.originPosition = new Cn,
            n.quaternion = new Sn,
            n.visibles = t.visibles,
            n.originFloorPosition = n.originPosition.clone(),
            n.originFloorPosition.z -= 1.4) : (n.originPosition = (new Cn).fromArray(t.dataset_location),
            n.originFloorPosition = (new Cn).fromArray(t.dataset_floor_location),
            n.originID = parseInt(t.file_id),
            n.pointcloud = viewer.scene.pointclouds.find(function(e) {
                return e.dataset_id == t.dataset_id
            }) || viewer.scene.pointclouds[0],
            n.pointcloud.panos.push(g(n)),
            n.sid = n.pointcloud.dataset_id + "|" + n.originID,
            i = [(i = t.dataset_orientation)[1], i[2], i[3], i[0]],
            n.quaternion = (new Sn).fromArray(i),
            n.quaternion4dkk = Up.convertVisionQuaternion(n.quaternion),
            n.quaternion2 = n.quaternion.clone(),
            n.quaternion = (new Sn).multiplyQuaternions(n.quaternion, Yg),
            n.rotation4dkk = (new ci).setFromQuaternion(n.quaternion4dkk),
            n.file = "https://4dkk.4dage.com/images/images".concat(Potree.settings.number, "/pan/high/").concat(n.id, ".jpg")),
            n.rotation = (new ci).setFromQuaternion(n.quaternion),
            n.build(),
            n.transformByPointcloud(),
            n.minimumTiledPanoLoaded = !1,
            n.highestPartialTileRenderOpCompleted = 0,
            n.highestFullTileRenderOpCompleted = 0,
            n.shouldRedrawOnBaseLoaded = !1,
            n.resolutionPromise = {},
            n.tiledPanoRenderTarget = null,
            n.zoomed = !1,
            e.panoRenderer.addEventListener(dm.TileRenderSuccess, n.onTileRendered.bind(g(n))),
            e.panoRenderer.addEventListener(dm.PanoRenderComplete, n.onPanoRendered.bind(g(n))),
            e.panoRenderer.addEventListener(dm.TileRenderFailure, n.onTileRenderFail.bind(g(n))),
            e.panoRenderer.addEventListener(dm.UploadAttemptedForAllTiles, n.onUploadAttemptedForAllTiles.bind(g(n))),
            n.addEventListener("hoverOn", function(e) {
                e.byMainView || n.hoverOn(e)
            }),
            n.addEventListener("hoverOff", function(e) {
                e.byMainView || n.hoverOff(e)
            }),
            n
        }
        return h(a, [{
            key: "setEnable",
            value: function(e) {
                viewer.updateVisible(this, "isEnabled", e),
                this.enabled = e
            }
        }, {
            key: "loadDepthImg",
            value: function() {
                var e, t, n = this;
                !this.pointcloud.hasDepthTex || this.depthTex || this.depthTexLoading || (this.depthTexLoading = !0,
                e = ("SS-t-7DUfWAUZ3V" == Potree.settings.number ? "".concat(Potree.scriptPath, "/data/").concat(Potree.settings.number, "/depthMap/") : "https://laser-oss.4dkankan.com/".concat(Potree.settings.webSite, "/").concat(this.pointcloud.sceneCode, "/data/").concat(this.pointcloud.sceneCode, "/depthmap/")).concat(this.originID, ".png"),
                (t = Xg.load(e, function() {
                    n.depthTex = t,
                    n.images360.dispatchEvent({
                        type: "loadedDepthImg",
                        pano: n,
                        loaded: !0
                    }),
                    n.depthTexLoading = !1
                }, function(e) {
                    console.error("loadDepthImg失败, 数据集sceneCode" + n.pointcloud.sceneCode, n.id),
                    n.pointcloud.hasDepthTex = !1,
                    n.images360.dispatchEvent({
                        type: "loadedDepthImg",
                        pano: n
                    })
                })).wrapS = ke,
                t.flipY = !1,
                t.magFilter = Oe,
                t.minFilter = Oe)
            }
        }, {
            key: "build",
            value: function() {
                this.panoMatrix = (new ni).makeRotationFromQuaternion(this.quaternion),
                this.oriPanoMatrix = this.panoMatrix.clone(),
                this.quaternion2 && (this.oriPanoMatrix2 = (new ni).makeRotationFromQuaternion(this.quaternion2));
                var t = new Hr(Jg,(Hg || ((Hg = {
                    default: Xg.load(Potree.resourcePath + "/textures/marker.png"),
                    ring: Xg.load(Potree.resourcePath + "/textures/marker2.png")
                }).default.anisotropy = 4,
                Hg.ring.anisotropy = 4),
                new Wp({
                    opacity: .7,
                    side: Y,
                    map: Hg.default,
                    transparent: !0,
                    clipDistance: 2,
                    occlusionDistance: 1,
                    useDepth: !!Potree.settings.useDepthTex
                })));
                t.up.set(0, 0, 1),
                t.lookAt(t.up),
                t.scale.set(2, 2, 2),
                this.addEventListener("changeMarkerTex", function(e) {
                    t.material.map = Hg[e.name]
                }),
                this.marker = t,
                "pano" == Potree.settings.editType && viewer.updateVisible(t, "panoEdit", !1, 4),
                this.images360.node.add(t),
                Potree.settings.isTest && this.createTextLabel(),
                this.createTextLabel2(),
                t.addEventListener("mouseover", this.hoverOn.bind(this)),
                t.addEventListener("mouseleave", this.hoverOff.bind(this))
            }
        }, {
            key: "transformByPointcloud",
            value: function() {
                var e = this.originPosition.clone().applyMatrix4(this.pointcloud.transformMatrix)
                  , t = this.originFloorPosition.clone().applyMatrix4(this.pointcloud.transformMatrix);
                this.setPosition(e, t),
                this.panoMatrix = (new ni).multiplyMatrices(this.pointcloud.rotateMatrix, this.oriPanoMatrix),
                this.oriPanoMatrix2 && (this.panoMatrix2 = (new ni).multiplyMatrices(this.pointcloud.rotateMatrix, this.oriPanoMatrix2),
                this.panoMatrix2Inverse = this.panoMatrix2.clone().invert()),
                this.dispatchEvent("rePos")
            }
        }, {
            key: "setPosition",
            value: function(e, t) {
                this.position = e,
                this.floorPosition = t,
                this.marker.position.copy(this.floorPosition),
                this.marker.position.z += .04,
                this.label && ("pano" == Potree.settings.editType ? this.label.position.copy(this.position) : this.label.position.copy(this.floorPosition),
                this.label.position.z += .14,
                this.label.update()),
                this.label2 && ("pano" == Potree.settings.editType ? this.label2.position.copy(this.position) : this.label2.position.copy(this.floorPosition),
                this.label2.position.copy(this.marker.position),
                this.label2.update())
            }
        }, {
            key: "hoverOn",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                gv.start(vv(this.marker.material, "opacity", 1), 250),
                e.byMap || this.dispatchEvent({
                    type: "hoverOn",
                    byMainView: !0
                }),
                e.byImages360 || this.images360.dispatchEvent({
                    type: "markerHover",
                    hovered: !0,
                    pano: this
                })
            }
        }, {
            key: "hoverOff",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                gv.start(vv(this.marker.material, "opacity", .5), 250),
                e.byMap || this.dispatchEvent({
                    type: "hoverOff",
                    byMainView: !0
                }),
                e.byImages360 || this.images360.dispatchEvent({
                    type: "markerHover",
                    hovered: !1,
                    pano: this
                })
            }
        }, {
            key: "setZoomed",
            value: function(e) {
                this.zoomed = e,
                "showPanos" == Potree.settings.displayMode && this.updateSkyboxForZoomLevel(),
                viewer.dispatchEvent({
                    type: "panoSetZoom",
                    zoomed: e
                })
            }
        }, {
            key: "enter",
            value: function() {
                this.setZoomed(!1),
                viewer.dispatchEvent({
                    type: gm.Enter,
                    oldPano: Zg,
                    newPano: this
                }),
                Zg = this
            }
        }, {
            key: "exit",
            value: function() {
                this.clearWaitDeferreds(),
                this.minimumTiledPanoLoaded = !1,
                this.tiledPanoRenderTarget = null,
                this.setZoomed(!1),
                this.images360.panoRenderer.deactivateTiledPano(this),
                this.highestPartialTileRenderOpCompleted = 0,
                this.highestFullTileRenderOpCompleted = 0,
                viewer.dispatchEvent({
                    type: gm.Exit,
                    pano: this
                })
            }
        }, {
            key: "updateSkyboxForZoomLevel",
            value: function() {
                this.minimumTiledPanoLoaded && this.images360.updateProjectedPanos()
            }
        }, {
            key: "getSkyboxTexture",
            value: function() {
                return this.minimumTiledPanoLoaded ? this.zoomed && this.images360.qualityManager.maxRenderTargetSize > this.images360.qualityManager.maxNavPanoSize ? this.images360.panoRenderer.zoomRenderTarget.texture : (this.tiledPanoRenderTarget.texture.mapping = 300,
                this.tiledPanoRenderTarget.texture) : null
            }
        }, {
            key: "isLoaded",
            value: function(e) {
                return e && "string" == typeof e && console.error("Wrong panoSize given to Panorama.isLoaded(); a tiled pano uses PanoSizeClass"),
                !!this.minimumTiledPanoLoaded && (!e || this.highestFullTileRenderOpCompleted >= e)
            }
        }, {
            key: "getWaitDeferred",
            value: function(e) {
                var t = this.resolutionPromise[this.id];
                t || (this.resolutionPromise[this.id] = t = {});
                var n = t[e];
                return n || (n = {
                    deferred: $.Deferred(),
                    active: !1
                },
                t[e] = n),
                n
            }
        }, {
            key: "clearWaitDeferreds",
            value: function() {
                var e, t, n = this.resolutionPromise[this.id];
                for (e in n || (this.resolutionPromise[this.id] = n = {}),
                n)
                    n.hasOwnProperty(e) && ((t = n[e]).active = !1,
                    t.deferred = $.Deferred())
            }
        }, {
            key: "resetWaitDeferred",
            value: function(e) {
                e = this.getWaitDeferred(e);
                e.active = !1,
                e.deferred = $.Deferred()
            }
        }, {
            key: "onTileRendered",
            value: function(e) {
                e.id === this.id && this.dispatchEvent({
                    type: gm.TileLoaded,
                    size: e.panoSize,
                    index: e.tileIndex,
                    count: e.totalTiles
                })
            }
        }, {
            key: "onPanoRendered",
            value: function(e) {
                e.id === this.id && (this.minimumTiledPanoLoaded = !0,
                this.updateSkyboxForZoomLevel(),
                e.panoSize > this.highestPartialTileRenderOpCompleted && (this.highestPartialTileRenderOpCompleted = e.panoSize),
                e.updateFullComplete && e.panoSize > this.highestFullTileRenderOpCompleted && (this.highestFullTileRenderOpCompleted = e.panoSize),
                viewer.ifAllLoaded(this),
                this.dispatchEvent({
                    type: gm.LoadComplete,
                    size: e.panoSize,
                    count: e.totalTiles
                }))
            }
        }, {
            key: "onTileRenderFail",
            value: function(e) {
                e.id === this.id && this.dispatchEvent({
                    type: gm.LoadFailed
                })
            }
        }, {
            key: "onUploadAttemptedForAllTiles",
            value: function(e) {
                var t;
                e.id === this.id && (t = this.images360.qualityManager.getPanoSize(cm.BASE),
                e.panoSize === t && this.shouldRedrawOnBaseLoaded && (this.shouldRedrawOnBaseLoaded = !1,
                this.panoRenderer.resetRenderStatus(this.id, !0, !1),
                this.panoRenderer.renderPanoTiles(this.id, null, !0, !0)))
            }
        }, {
            key: "createTextLabel",
            value: function() {
                this.removeTextLabel(),
                this.label = new Jp(Object.assign({}, qg, {
                    text: this.id
                })),
                this.images360.node.add(this.label),
                this.floorPosition && this.label.position.copy(this.floorPosition)
            }
        }, {
            key: "createTextLabel2",
            value: function() {
                this.label2 = new Jp(Object.assign({}, {
                    backgroundColor: {
                        r: 255,
                        g: 255,
                        b: 255,
                        a: 0
                    },
                    textColor: {
                        r: 255,
                        g: 255,
                        b: 255,
                        a: 1
                    },
                    textBorderColor: {
                        r: 30,
                        g: 30,
                        b: 30,
                        a: 1
                    },
                    textBorderThick: 3,
                    dontFixOrient: !0,
                    renderOrder: 10,
                    fontsize: 30
                }, {
                    text: parseInt(this.id) + 1
                })),
                this.images360.node.add(this.label2),
                this.floorPosition && this.label2.position.copy(this.floorPosition);
                this.label2.scale.set(.4, .4, .4),
                viewer.updateVisible(this.label2, "notDisplay", !1)
            }
        }, {
            key: "removeTextLabel",
            value: function() {
                this.label && this.label.parent.remove(this.label)
            }
        }, {
            key: "dispose",
            value: function() {
                var e = viewer.images360.panos.indexOf(this);
                -1 != e && (this.marker.parent.remove(this.marker),
                this.removeTextLabel(),
                this.depthTex && this.depthTex.dispose(),
                viewer.images360.panos.splice(e, 1),
                this.dispatchEvent("dispose"))
            }
        }]),
        a
    }();
    Qg.prototype.loadTiledPano = (Vg = {},
    jg = {},
    Wg = {},
    function(t, n, i, r, a, o) {
        var s = this
          , l = n.datasetsLocal.find(function(e) {
            return e.datasetId == s.pointcloud.dataset_id
        }).direction;
        null != r || (r = !0),
        null != a || (a = !0);
        var u, c = this.getWaitDeferred(t), d = c.deferred, h = null, p = null;
        return i && ("number" == typeof i ? h = i : (h = i.hFov,
        p = i.vFov)),
        this.isLoaded(t) ? d.resolve(t) : (c.active || (c.active = !0,
        u = this.id + ":" + t,
        Vg[u] = Vg[u] || [],
        Wg[u] = null,
        i && (Gg.matchingTilesInDirection(this, t, l, h, p, i = []),
        Wg[u] = i,
        Vg[u].forEach(function(t) {
            var e = Wg[u].find(function(e) {
                return t.faceTileIndex == e.faceTileIndex && t.face == e.face
            });
            e && (e.loaded = !0)
        }),
        Wg[u].some(function(e) {
            return !e.loaded
        }) || (d.resolve(t),
        this.resetWaitDeferred(t),
        Wg[u] = null)),
        jg[this.id] || (jg[this.id] = !0,
        this.addEventListener(gm.LoadComplete, function(e) {
            var t = this.getWaitDeferred(e.size).deferred;
            t && "pending" === t.state() && this.highestPartialTileRenderOpCompleted >= e.size && (t.resolve(e.size, e.count),
            this.resetWaitDeferred(e.size))
        }
        .bind(this)),
        this.addEventListener(gm.LoadFailed, function(t) {
            var n = this.getWaitDeferred(e).deferred;
            n && "pending" === n.state() && this.highestPartialTileRenderOpCompleted >= t.t && (n.reject(t.t),
            this.resetWaitDeferred(t.t))
        }
        .bind(this)),
        this.addEventListener(gm.TileLoaded, function(e) {
            var t = e.index
              , n = e.count
              , i = e.size
              , r = this.id + ":" + i;
            Vg[r] = Vg[r] || [];
            var e = Gg.getTileLocation(i, t, {})
              , a = e.faceTileIndex
              , o = e.face;
            Vg[r].push({
                faceTileIndex: a,
                face: o
            });
            e = this.getWaitDeferred(i).deferred;
            e && "pending" === e.state() && (e.notify(i, t, n),
            Wg[r] && ((t = Wg[r].find(function(e) {
                return e.faceTileIndex == a && e.face == o
            })) && (t.loaded = !0),
            Wg[r].some(function(e) {
                return !e.loaded
            }) || (this.onPanoRendered(this.id, i, n, !0),
            e.resolve(i, n),
            this.resetWaitDeferred(i),
            Wg[r] = null)))
        }
        .bind(this)))),
        this.images360.tileDownloader.clearForceQueue(),
        this.images360.tileDownloader.forceQueueTilesForPano(this, t, l, h, p, o),
        this.tiledPanoRenderTarget = this.images360.panoRenderer.activateTiledPano(this, this.images360.qualityManager.getMaxNavPanoSize(), r),
        this.images360.panoRenderer.renderPanoTiles(this.id, n, a)),
        d.promise()
    }
    );
    var Kg = function() {
        function i(e, t, n) {
            O(this, i),
            this.maxNavPanoSize = -1,
            this.maxZoomPanoSize = -1,
            this.devicePixelDensity = e,
            this.deviceScreenSize = t,
            this.clientBandwidth = n,
            this.panoSizeClassMap = {},
            this.useHighResolutionPanos = !0,
            this.useUltraHighResolutionPanos = !1,
            this.modelHasUltraHighPanos = !1,
            (this.qualityManager = this).maxRenderTargetSize = A.isMobile() ? 2048 : 4096,
            this.init()
        }
        return h(i, [{
            key: "init",
            value: function(e) {
                this.buildPanoSizeClassMap(this.devicePixelDensity, this.deviceScreenSize, this.clientBandwidth),
                this.ultraHighSize = this.getPanoSize(cm.ULTRAHIGH),
                this.highSize = this.getPanoSize(cm.HIGH),
                this.standardSize = this.getPanoSize(cm.STANDARD),
                this.baseSize = this.getPanoSize(cm.BASE),
                T.tiling.maxZoomPanoQuality && this.ultraHighSize <= T.tiling.maxZoomPanoQuality && (T.tiling.allowUltraHighResolution = !0),
                this.highQualityThreshold = A.valueFromHash("threshold2k", T.windowHeightHighQualityThreshold),
                this.updateMaximums()
            }
        }, {
            key: "updateFromModel",
            value: function(e) {
                this.updateUltraHighResolutionSettings(e)
            }
        }, {
            key: "updateUltraHighResolutionSettings",
            value: function(e) {
                T.tiling.allowUltraHighResolution && this.modelHasUltraHighPanos ? this.useUltraHighResolutionPanos = !0 : this.useUltraHighResolutionPanos = !1,
                this.updateMaximums()
            }
        }, {
            key: "enableUltraHighQualityMode",
            value: function() {
                this.modelHasUltraHighPanos = !0,
                this.updateUltraHighResolutionSettings(null)
            }
        }, {
            key: "ultraHighQualityModeEnabled",
            value: function() {
                return this.modelHasUltraHighPanos
            }
        }, {
            key: "onModelChanged",
            value: function(e) {
                this.updateFromModel(e.model),
                this.updateMaximums()
            }
        }, {
            key: "updateMaximums",
            value: function() {
                this.maxNavPanoSize = T.tiling.maxNavPanoQuality || this.detectMaxNavPanoSize(),
                this.maxZoomPanoSize = T.tiling.maxZoomPanoQuality || this.detectMaxZoomPanoSize(),
                this.maxZoomPanoSize < this.maxNavPanoSize && (this.maxNavPanoSize = this.maxZoomPanoSize)
            }
        }, {
            key: "buildPanoSizeClassMap",
            value: function() {
                this.panoSizeClassMap[cm.BASE] = 512,
                this.panoSizeClassMap[cm.STANDARD] = 1024,
                this.panoSizeClassMap[cm.HIGH] = 2048,
                this.panoSizeClassMap[cm.ULTRAHIGH] = 4096
            }
        }, {
            key: "getPanoSize",
            value: function(e) {
                return this.panoSizeClassMap[e]
            }
        }, {
            key: "getMaxPossiblePanoSize",
            value: function() {
                return this.getPanoSize(cm.ULTRAHIGH)
            }
        }, {
            key: "getMaxPanoSize",
            value: function() {
                return this.maxZoomPanoSize
            }
        }, {
            key: "getMaxNavPanoSize",
            value: function() {
                return this.maxNavPanoSize
            }
        }, {
            key: "getMaxZoomPanoSize",
            value: function() {
                return this.maxZoomPanoSize
            }
        }, {
            key: "detectMaxNavPanoSizeClass",
            value: function() {
                return "1k" !== Potree.settings.navTileClass ? cm.HIGH : cm.STANDARD
            }
        }, {
            key: "detectMaxNavPanoSize",
            value: function() {
                var e = this.detectMaxNavPanoSizeClass();
                return this.getPanoSize(e)
            }
        }, {
            key: "detectMaxZoomPanoSize",
            value: function() {
                return this.zoomLevelResolution ? "4k" == this.zoomLevelResolution && this.useUltraHighResolutionPanos ? this.getPanoSize(cm.ULTRAHIGH) : "1k" != this.zoomLevelResolution && this.useHighResolutionPanos ? this.getPanoSize(cm.HIGH) : this.getPanoSize(cm.STANDARD) : this.useHighResolutionPanos ? this.useUltraHighResolutionPanos ? this.getPanoSize(cm.ULTRAHIGH) : this.getPanoSize(cm.HIGH) : this.getPanoSize(cm.STANDARD)
            }
        }]),
        i
    }()
      , $g = Object.freeze({
        None: 0,
        DirectionalFOV: 1
    })
      , e0 = (t0._panoSpaceDir = new Cn,
    t0._fovThreshold = -1,
    t0._fovThresholdNarrow = -1,
    t0);
    function t0(e, t) {
        var n = t0._panoSpaceDir
          , i = t0._fovThreshold
          , r = t0._fovThresholdNarrow
          , a = Math.max(Math.min(n.dot(e.direction), 1), -1)
          , n = Math.max(Math.min(n.dot(t.direction), 1), -1);
        return e._dot = a,
        t._dot = n,
        i <= a && n < i ? -1 : a < i && i <= n ? 1 : r <= a && n < r ? -1 : a < r && r <= n || e.panoSize > t.panoSize ? 1 : t.panoSize > e.panoSize ? -1 : -(a - n)
    }
    var n0, i0, r0, a0, o0, s0, l0, u0 = function() {
        function u(e, t, n, i, r) {
            O(this, u),
            this.qualityManager = e,
            this.maxNavQuality = this.qualityManager.getMaxNavPanoSize(),
            this.maxZoomQuality = this.qualityManager.getMaxZoomPanoSize(),
            this.baseSize = t,
            this.standardSize = n,
            this.highSize = i,
            this.ultraHighSize = r,
            this.priorityCriteria = new u.PriorityCriteria(null,new Cn(0,0,0),new Cn(0,0,-1),new Cn(0,0,-1))
        }
        return h(u, [{
            key: "updateCriteria",
            value: function(e, t, n, i) {
                this.priorityCriteria.pano = e,
                this.priorityCriteria.cameraPosition.copy(t),
                this.priorityCriteria.cameraDirs = n,
                this.priorityCriteria.upcomingPanos = i,
                this.maxNavQuality = this.qualityManager.getMaxNavPanoSize(),
                this.maxZoomQuality = this.qualityManager.getMaxZoomPanoSize()
            }
        }, {
            key: "canDownloadSize",
            value: function(e) {
                return this.maxNavQuality >= e || this.maxZoomQuality >= e && this.zoomingActive
            }
        }, {
            key: "populateScoredPanos",
            value: function(e, t, n, i, r) {
                (n = n || []).length = 0;
                var a = [ly.filters.inPanoDirection(e.position, i, u.DIRECTION_SCORE_STRICTNESS), ly.filters.not(e)]
                  , i = [ly.scoreFunctions.distanceSquared(e), ly.scoreFunctions.direction(e.position, i)]
                  , o = Fm.sortByScore(t, a, i);
                if (o)
                    for (var s = 0; s < o.length && s < r; s++) {
                        var l = o[s].item;
                        n.push(l)
                    }
                return n
            }
        }, {
            key: "queueTilesForPanos",
            value: function(e, t, n, i, r) {
                for (var a = 0, o = 0; o < t.length; o++) {
                    var s = t[o];
                    if (a += 0 < this.queueTilesForPano(e, n, s, i) ? 1 : 0,
                    r && r <= a)
                        break
                }
                return a
            }
        }, {
            key: "canIncludeDescriptor",
            value: function(e) {
                return e.status !== vm.Downloading && e.status !== vm.Downloaded
            }
        }, {
            key: "canIncludePano",
            value: function(e, t) {
                return !e.isLoaded(t)
            }
        }, {
            key: "getFOVDotThreshold",
            value: function(e) {
                return Math.cos(gn.degToRad(e / 2))
            }
        }, {
            key: "setZoomingActive",
            value: function(e) {
                e !== this.zoomingActive && (this.zoomingActive = e)
            }
        }]),
        u
    }();
    u0.PriorityCriteria = function(e, t, n, i, r) {
        this.pano = e,
        this.cameraPosition = (new Cn).copy(t),
        this.cameraDirs = [],
        this.panoSpaceDir = (new Cn).copy(i),
        this.upcomingPanos = r,
        this.copy = function(e) {
            this.pano = e.pano,
            this.cameraPosition.copy(e.cameraPosition),
            this.cameraDirs = e.cameraDirs,
            this.panoSpaceDir.copy(e.panoSpaceDir),
            this.upcomingPanos = r
        }
        ,
        this.zoomingActive = !1
    }
    ,
    u0.DIRECTIONAL_FOV = 180,
    u0.DIRECTIONAL_FOV_NARROW = 120,
    u0.MAX_SCORED_PANOS_TOCONSIDER = 6,
    u0.MAX_SCORED_PANOS_TOADD = 2,
    u0.MAX_UPCOMING_PANOS_TOADD = 3,
    u0.DIRECTION_SCORE_STRICTNESS = .75,
    u0.appendQueue = function(e, t) {
        if (e && t)
            for (var n = 0; n < t.length; n++)
                e.push(t[n])
    }
    ,
    u0.sortPanoTiles = function(e, t, n) {
        n.datasetsLocal && (n = n.datasetsLocal.find(function(e) {
            return e.datasetId == t.pointcloud.dataset_id
        }).direction),
        e0._panoSpaceDir.copy(n),
        Gg.getRelativeDirection(t.quaternion4dkk, e0._panoSpaceDir),
        e0._fovThresholdNarrow = Up.getFOVDotThreshold(u0.DIRECTIONAL_FOV_NARROW),
        e0._fovThreshold = Up.getFOVDotThreshold(u0.DIRECTIONAL_FOV),
        e.sort(e0)
    }
    ,
    u0.insertSortedPanoTile = function(e, t, n, i) {
        i.datasetsLocal && (i = i.datasetsLocal.find(function(e) {
            return e.datasetId == n.pointcloud.dataset_id
        }).direction),
        e0._panoSpaceDir.copy(i),
        Gg.getRelativeDirection(n.quaternion4dkk, e0._panoSpaceDir),
        e0._fovThresholdNarrow = Up.getFOVDotThreshold(u0.DIRECTIONAL_FOV_NARROW),
        e0._fovThreshold = Up.getFOVDotThreshold(u0.DIRECTIONAL_FOV);
        for (var r = -1, a = 0; a < e.length; a++)
            if (e0(t, e[a]) <= 0) {
                r = a;
                break
            }
        if (-1 === r)
            e[e.length] = t;
        else {
            for (var o = e.length; r < o; o--)
                e[o] = e[o - 1];
            e[r] = t
        }
    }
    ,
    u0.prototype.filterDepthTex = function(e) {
        var t;
        Potree.settings.useDepthTex && this.priorityCriteria.pano && (t = this.priorityCriteria.cameraDirs.vectorForward,
        this.populateScoredPanos(this.priorityCriteria.pano, e, e = [], t, u0.MAX_SCORED_PANOS_TOCONSIDER),
        e.forEach(function(e) {
            return e.loadDepthImg()
        }))
    }
    ,
    u0.prototype.filterAndPrioritize = (n0 = [],
    i0 = [],
    r0 = [],
    function(e, t, n) {
        var i = this.priorityCriteria.cameraDirs.vectorForward;
        this.populateScoredPanos(this.priorityCriteria.pano, t, i0, i, u0.MAX_SCORED_PANOS_TOCONSIDER),
        i0.forEach(function(e) {
            return e.loadDepthImg()
        });
        var r = this.baseSize
          , a = this.standardSize
          , t = this.highSize
          , i = this.ultraHighSize;
        this.queueTilesForPano(e, n, this.priorityCriteria.pano, r),
        this.priorityCriteria.upcomingPanos && this.queueTilesForPanos(e, this.priorityCriteria.upcomingPanos, n, r, u0.MAX_UPCOMING_PANOS_TOADD),
        r0.length = 0,
        this.canDownloadSize(a) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, a, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV_NARROW),
        u0.sortPanoTiles(r0, this.priorityCriteria.pano, this.priorityCriteria.cameraDirs),
        u0.appendQueue(e, r0),
        this.queueTilesForPanos(e, i0, n, r, u0.MAX_SCORED_PANOS_TOADD),
        r0.length = 0,
        this.canDownloadSize(t) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, t, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV_NARROW),
        this.canDownloadSize(i) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, i, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV_NARROW),
        u0.sortPanoTiles(r0, this.priorityCriteria.pano, this.priorityCriteria.cameraDirs),
        u0.appendQueue(e, r0),
        r0.length = 0,
        this.canDownloadSize(a) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, a, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV),
        this.canDownloadSize(t) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, t, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV),
        this.canDownloadSize(i) && this.queueTilesInDirectionForPano(r0, n, this.priorityCriteria.pano, i, this.priorityCriteria.cameraPosition, this.priorityCriteria.cameraDirs, u0.DIRECTIONAL_FOV),
        u0.sortPanoTiles(r0, this.priorityCriteria.pano, this.priorityCriteria.cameraDirs),
        u0.appendQueue(e, r0),
        this.queueTilesForPanos(e, n0, n, r)
    }
    ),
    u0.prototype.queueTilesInDirectionForPano = (a0 = {
        filter: $g.DirectionalFOV,
        direction: new Cn,
        fov: 60
    },
    o0 = new Cn,
    function(e, t, n, i, r, a, o) {
        a = a.datasetsLocal.find(function(e) {
            return e.datasetId == n.pointcloud.dataset_id
        }).direction;
        return o0.copy(a),
        Gg.getRelativeDirection(n.quaternion4dkk, o0),
        a0.direction.copy(o0),
        a0.fov = o,
        this.filterAndQueueTileDownloadDescriptors(e, t, n, i, a0)
    }
    ),
    u0.prototype.filterAndQueueTileDownloadDescriptors = (s0 = [],
    function(e, t, n, i, r) {
        i = t.getTileDownloadDescriptors(n, i);
        s0.length = 0,
        this.filterTileDownloadDescriptors(n, i, s0, r);
        for (var a = 0, o = 0; o < s0.length; o++) {
            var s = s0[o];
            s && (e.push(s),
            a++)
        }
        return a
    }
    ),
    u0.prototype.filterTileDownloadDescriptors = (new Cn,
    function(e, t, n, i) {
        var r, a;
        if (i.filter === $g.DirectionalFOV)
            for (r = 0; r < t.length; r++)
                a = t[r],
                Gg.isTileWithinFOV(a.panoSize, a.tileSize, a.face, a.tileX, a.tileY, i.direction, i.fov) && n.push(a);
        else
            for (r = 0; r < t.length; r++)
                a = t[r],
                n.push(a);
        for (r = 0; r < n.length; r++)
            a = n[r],
            this.canIncludeDescriptor(a) || (n[r] = null)
    }
    ),
    u0.prototype.queueTilesForPano = (l0 = {
        filter: $g.None
    },
    function(e, t, n, i) {
        return this.filterAndQueueTileDownloadDescriptors(e, t, n, i, l0)
    }
    );
    function c0(e) {
        for (var t = e.split(","), e = t[0].match(/:(.*?);/)[1], n = atob(t[1]), i = n.length, r = new Uint8Array(i); i--; )
            r[i] = n.charCodeAt(i);
        return new Blob([r],{
            type: e
        })
    }
    function d0() {}
    var h0 = []
      , p0 = {
        NEXT: -999,
        SUCCESS: 0,
        EXCEPTION: -1,
        FAILURE_CODE_3001: 3001,
        FAILURE_CODE_3002: 3002,
        FAILURE_CODE_3003: 3003,
        FAILURE_CODE_3004: 3004,
        FAILURE_CODE_3005: 3005,
        FAILURE_CODE_3006: 3006,
        FAILURE_CODE_3007: 3007,
        FAILURE_CODE_3008: 3008,
        FAILURE_CODE_3009: 3009,
        FAILURE_CODE_3010: 3010,
        FAILURE_CODE_3011: 3011,
        FAILURE_CODE_3012: 3012,
        FAILURE_CODE_3013: 3013,
        FAILURE_CODE_3014: 3014,
        FAILURE_CODE_3015: 3015,
        FAILURE_CODE_3016: 3016,
        FAILURE_CODE_3017: 3017,
        FAILURE_CODE_3018: 3018,
        FAILURE_CODE_5010: 5010,
        FAILURE_CODE_5012: 5012,
        FAILURE_CODE_5014: 5014,
        FAILURE_CODE_5005: 5005
    };
    $.ajaxSetup({
        headers: {},
        beforeSend: function(e) {
            var t = ((t = A.urlHasValue("token", !0)) && localStorage.setItem("token", t),
            t || localStorage.getItem("token") || "");
            t ? e.setRequestHeader("token", t) : -1 == this.url.indexOf("isLogin") || showLoginTips()
        },
        error: function(e, t, n) {
            return -1 != this.url.indexOf("/scene.json") && 404 == e.status ? $alert({
                content: i18n.t("tips.scene_notfound")
            }) : "POST" === this.type ? $alert({
                content: i18n.t("tips.network_error")
            }) : void 0
        },
        success: function(e) {},
        complete: function() {
            "POST" === this.type && f0.__loading && $waiting.hide(),
            f0.__loading = !0
        }
    });
    var f0 = {
        statusCode: p0,
        __loading: !0,
        __request: function(e, i, r, a, o, s) {
            return "function" != typeof o && (o = d0),
            "function" != typeof s && (s = d0),
            e.done(function(e) {
                var t, n;
                void 0 !== e.code ? (t = e.code,
                n = function(e) {
                    e != p0.FAILURE_CODE_3001 && e != p0.FAILURE_CODE_3002 && e != p0.FAILURE_CODE_3003 && e != p0.FAILURE_CODE_3004 || -1 == r.indexOf("isLogin") && -1 == r.indexOf("openSceneBykey") && h0.push(function() {
                        f0[i](r, a, o, s)
                    }),
                    s()
                }
                ,
                t == p0.EXCEPTION ? $alert({
                    content: i18n.t("tips.exception")
                }) : t == p0.FAILURE_CODE_3002 || t == p0.FAILURE_CODE_3003 || t == p0.FAILURE_CODE_3004 ? (n(t),
                showLoginTips()) : t == p0.FAILURE_CODE_3001 ? (n(t),
                $alert({
                    content: i18n.t("tips.params_notfound")
                })) : t == p0.FAILURE_CODE_3017 ? (n(t),
                $alert({
                    content: i18n.t("tips.file_notfound")
                })) : t == p0.FAILURE_CODE_5005 ? (n(t),
                $alert({
                    content: i18n.t("tips.scene_notfound")
                })) : t == p0.FAILURE_CODE_5010 ? (n(t),
                $alert({
                    content: i18n.t("tips.camera_notfound")
                })) : t == p0.FAILURE_CODE_5012 ? (n(t),
                $alert({
                    content: i18n.t("tips.data_error")
                })) : t == p0.FAILURE_CODE_5014 ? (n(t),
                $alert({
                    content: i18n.t("tips.auth_deny")
                })) : p0.NEXT) === p0.NEXT && o(e, 0 == e.code) : o(e)
            }),
            e.fail(s),
            e.always(function() {
                return e = null
            }),
            e
        },
        get: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return /\.json/.test(e) ? this.getJson(e, t, n, i) : this.__request($.get(e, t), "get", e, t, n, i)
        },
        getText: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return this.__request($.ajax({
                url: e,
                dataType: "text"
            }), "getText", e, t, n, i)
        },
        getJson: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return this.__request($.getJSON(e, t), "get", e, t, n, i)
        },
        getBlob: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return this.__request($.ajax({
                url: e,
                dataType: "blob"
            }), "getBlob", e, t, n, i)
        },
        getArraybuffer: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return this.__request($.ajax({
                url: e,
                dataType: "arraybuffer"
            }), "getArraybuffer", e, t, n, i)
        },
        post: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return -1 == e.indexOf("isLogin") && f0.__loading && $waiting.show(),
            this.__request($.post(e, t), "post", e, t, n, i)
        },
        postJson: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            return f0.__loading && $waiting.show(),
            this.__request($.ajax({
                type: "POST",
                url: e,
                contentType: "application/json",
                data: JSON.stringify(t)
            }), "postJson", e, t, n, i)
        },
        postForm: function(e, t, n, i, r) {
            return "function" == typeof r ? this.__request($.ajax({
                type: "POST",
                url: e,
                processData: !1,
                contentType: !1,
                data: t,
                xhr: function() {
                    var e;
                    return (e = new XMLHttpRequest).upload.addEventListener("progress", function(e) {
                        r(e.loaded / e.total * 100 + "%")
                    }),
                    e
                }
            }), "postForm", e, t, n, i) : (f0.__loading && $waiting.show(),
            this.__request($.ajax({
                type: "POST",
                url: e,
                processData: !1,
                contentType: !1,
                data: t
            }), "postForm", e, t, n, i))
        },
        loadImage: function(e) {
            var t = this
              , n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 3
              , i = $.Deferred()
              , r = new Image;
            return r.onerror = function() {
                0 < n ? setTimeout(function() {
                    console.warn("Retrying load image: " + e),
                    t.loadImage(e, n - 1).done(i.resolve.bind(i)).progress(i.notify.bind(i)).fail(i.reject.bind(i))
                }, 1e3) : i.reject("[".concat(e, "]加载失败"))
            }
            ,
            r.onload = function() {
                i.resolve(r)
            }
            ,
            r.crossOrigin = "anonymous",
            r.src = e,
            i
        },
        uploadFile: function(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}, i = 2 < arguments.length ? arguments[2] : void 0, r = 3 < arguments.length ? arguments[3] : void 0, a = 4 < arguments.length ? arguments[4] : void 0, o = new FormData;
            for (t in n)
                "file" == t ? o.append("file", n[t], n.filename || n[t].name) : "filename" != t && o.append(t, n[t]);
            return this.postForm(e, o, i, r, a)
        },
        uploadBlobFile: function(e) {
            var t, n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}, i = 2 < arguments.length ? arguments[2] : void 0, r = 3 < arguments.length ? arguments[3] : void 0, a = new FormData;
            for (t in n)
                "file" === t ? a.append("file", c0(n.file), n.filename) : "filename" != t && a.append(t, n[t]);
            return this.postForm(e, a, i, r)
        }
    };
    window.downloaded = {},
    window.startdownloads = [];
    var m0, v0, g0, y0, w0, b0 = function() {
        y(n, hn);
        var e = w(n);
        function n() {
            var t;
            return O(this, n),
            (t = e.call(this)).panos = null,
            t.retryMinimumTime = 1e4,
            t.panoLoadCallbacks = {},
            t.downloadDescriptors = {},
            t.priorityQueue = [],
            t.forceQueue = [],
            t.activeDownloads = [],
            t.tilePrioritizer = null,
            t.refreshInterval = null,
            t.processPriorityQueue = !1,
            t.concurrentDownloads = 6,
            t.downloadTestResults = {},
            t.freeze = Object.freeze({
                Testing: 1,
                Success: 2,
                Fail: 3
            }),
            t.visible = !0,
            viewer.addEventListener("pageVisible", function(e) {
                viewer.updateVisible(g(t), "pageVisible", e.v),
                t.judgeStart()
            }),
            t
        }
        return h(n, [{
            key: "setPanoData",
            value: function(e, t) {
                this.panos = e,
                this.imagePanos = t
            }
        }, {
            key: "start",
            value: function() {
                this.downloadCubeTex = !0,
                Potree.settings.useDepthTex ? this.refreshInterval || this.judgeStart() : (viewer.updateVisible(this, "pano", !0),
                this.judgeStart())
            }
        }, {
            key: "stop",
            value: function() {
                this.downloadCubeTex = !1,
                Potree.settings.useDepthTex || (viewer.updateVisible(this, "pano", !1),
                this.judgeStart())
            }
        }, {
            key: "judgeStart",
            value: function() {
                this.visible ? (this.started = !0,
                this.refreshUpdateInterval(0)) : (this.started = !1,
                window.clearTimeout(this.refreshInterval))
            }
        }, {
            key: "refreshUpdateInterval",
            value: function(e) {
                e = e || 0,
                this.refreshInterval = window.setTimeout(function() {
                    this.update() ? this.refreshUpdateInterval(n.ACTIVE_REFRESH_DELAY) : this.refreshUpdateInterval(n.IDLE_REFRESH_DELAY)
                }
                .bind(this), e)
            }
        }, {
            key: "update",
            value: function() {
                if (this.downloadCubeTex) {
                    var e = 0 < this.forceQueue.length;
                    return this.processQueueForDownloading(this.forceQueue),
                    this.processPriorityQueue && (this.queuePrioritizedTilesForPanos(this.panos),
                    0 < this.priorityQueue.length && (e = !0),
                    this.processQueueForDownloading(this.priorityQueue)),
                    e
                }
                this.tilePrioritizer.filterDepthTex(this.panos)
            }
        }, {
            key: "queuePrioritizedTilesForPanos",
            value: function(e) {
                this.tilePrioritizer && (this.clearQueue(this.priorityQueue),
                this.tilePrioritizer.filterAndPrioritize(this.priorityQueue, e, this),
                this.clearFromQueue(this.priorityQueue, vm.None, !0),
                this.setStatusOrRemoveForAllDescriptors(this.priorityQueue, vm.Queued))
            }
        }, {
            key: "clearQueue",
            value: function(e) {
                this.setStatusForAllDescriptors(e, vm.None),
                e.length = 0
            }
        }, {
            key: "clearForceQueue",
            value: function() {
                this.clearQueue(this.forceQueue)
            }
        }, {
            key: "clearFromQueue",
            value: function(e, t, n) {
                for (var i = 0; i < e.length; i++) {
                    var r = e[i];
                    r && (t === r.status && !n || t !== r.status && n) && (e[i] = null)
                }
            }
        }, {
            key: "setStatusForAllDescriptors",
            value: function(e, t) {
                for (var n = 0; n < e.length; n++) {
                    var i = e[n];
                    i && (i.status = t)
                }
            }
        }, {
            key: "setStatusOrRemoveForAllDescriptors",
            value: function(e, t) {
                for (var n = 0; n < e.length; n++) {
                    var i = e[n];
                    i && (i.status !== t ? i.status = t : e[n] = null)
                }
            }
        }, {
            key: "getTileDownloadDescriptors",
            value: function(e, t) {
                var n = this.getAllTileDownloadDescriptorsForPano(e)
                  , i = n[t];
                return i || (i = this.buildDownloadDescriptorArray(t),
                n[t] = i,
                this.initTileDownloadDescriptors(i, e, t)),
                i
            }
        }, {
            key: "getAllTileDownloadDescriptorsForPano",
            value: function(e) {
                var t = this.downloadDescriptors[e.id];
                return t || (this.downloadDescriptors[e.id] = t = {}),
                t
            }
        }, {
            key: "processQueueForDownloading",
            value: function(e, t) {
                if (this.cleanupActiveDownloads(),
                this.activeDownloads.length < this.concurrentDownloads || t)
                    for (var n = t ? e.length : this.concurrentDownloads - this.activeDownloads.length, i = 0; i < n && 0 < e.length; 0) {
                        var r = e.shift();
                        if (r) {
                            if (512 < r.panoSize && !this.isPanoDownloaded(r.pano, 512)) {
                                e.push(r);
                                break
                            }
                            this.startDownload(r),
                            i++
                        }
                    }
            }
        }, {
            key: "testDownload",
            value: function(t, e, n) {
                var i, r = this.downloadTestResults[t];
                r ? r === this.freeze.Success ? n(!0) : r === this.freeze.Fail && n(!1) : (this.downloadTestResults[t] = this.freeze.Testing,
                i = this.panos[0],
                r = this.getTileUrl({
                    pano: i,
                    panoSize: t,
                    tileSize: e,
                    tileIndex: 0
                }),
                i = function(e) {
                    this.downloadTestResults[t] = this.freeze.Success,
                    n(!0)
                }
                .bind(this),
                e = function() {
                    this.downloadTestResults[t] = this.freeze.Fail,
                    n(!1)
                }
                .bind(this),
                this.loadImage(r, 0, i, e))
            }
        }, {
            key: "startDownload",
            value: function(e) {
                startdownloads.push(e),
                e.status = vm.Downloading;
                var t = this.getTileUrl(e);
                t && (this.activeDownloads.push(e),
                this.loadImage(t, n.DOWNLOAD_RETRIES, this.downloadComplete.bind(this, e), this.downloadFailed.bind(this, e)))
            }
        }, {
            key: "downloadFailed",
            value: function(e, t) {}
        }, {
            key: "downloadComplete",
            value: function(e, t) {
                var n = this.getPanoLoadCallbacks(e.pano, e.panoSize);
                e.status = vm.Downloaded,
                n && n.onProgress && n.onProgress(e.pano, e.panoSize);
                var i = {
                    panoId: e.pano.id,
                    image: t,
                    tileSize: e.tileSize,
                    panoSize: e.panoSize,
                    tileIndex: e.tileIndex,
                    faceTileIndex: e.faceTileIndex,
                    totalTiles: e.totalTiles,
                    face: e.face,
                    tileX: e.tileX,
                    tileY: e.tileY,
                    direction: e.direction
                };
                downloaded[e.pano.id] || (downloaded[e.pano.id] = {
                    512: [],
                    1024: [],
                    2048: []
                }),
                downloaded[e.pano.id][e.panoSize] || (downloaded[e.pano.id][e.panoSize] = []),
                downloaded[e.pano.id][e.panoSize].push(e),
                512 != e.panoSize && downloaded[e.pano.id][512].length < 6 && console.warn("没下完"),
                e.image = t,
                this.dispatchEvent({
                    type: hm.TileDownloadSuccess,
                    desc: i
                }),
                this.isPanoDownloaded(e.pano, e.panoSize) && (i = {
                    panoId: e.pano.id,
                    tileSize: e.tileSize,
                    panoSize: e.panoSize
                },
                this.dispatchEvent({
                    type: hm.PanoDownloadComplete,
                    desc: i
                }),
                n && n.onLoad && n.onLoad(e.pano, e.panoSize))
            }
        }, {
            key: "isPanoDownloaded",
            value: function(e, t) {
                var n = this.getTileDownloadDescriptors(e, t);
                if (n.length <= 0)
                    return !1;
                for (var i = 0; i < n.length; i++)
                    if (n[i].status !== vm.Downloaded)
                        return !1;
                return !0
            }
        }, {
            key: "setPanoLoadCallbacks",
            value: function(e, t, n, i, r) {
                t = e.id + ":" + this.qualityManager.getPanoSize(t);
                this.panoLoadCallbacks[t] = {
                    onLoad: n,
                    onFail: i,
                    onProgress: r
                }
            }
        }, {
            key: "getPanoLoadCallbacks",
            value: function(e, t) {
                t = e.id + ":" + t;
                return this.panoLoadCallbacks[t]
            }
        }, {
            key: "buildDownloadDescriptorArray",
            value: function(e) {
                for (var t = Gg.getTileCountForSize(e), n = [], i = 0; i < t; i++) {
                    var r = this.buildDownloadDescriptor();
                    n.push(r)
                }
                return n
            }
        }, {
            key: "buildDownloadDescriptor",
            value: function() {
                return {
                    panoGroupId: null,
                    pano: null,
                    panoSize: -1,
                    tileSize: -1,
                    tileIndex: -1,
                    totalTiles: -1,
                    faceTileIndex: -1,
                    status: vm.None,
                    url: null,
                    image: null,
                    direction: new Cn,
                    face: -1,
                    cubeFace: -1,
                    tileX: -1,
                    tileY: -1
                }
            }
        }, {
            key: "initTileDownloadDescriptors",
            value: function(e, t, n) {
                for (var i = 0; i < e.length; i++) {
                    var r = e[i];
                    this.initTileDownloadDescriptor(r, t, n, i)
                }
            }
        }, {
            key: "initTileDownloadDescriptor",
            value: function(e, t, n, i) {
                var r = n >= Gg.TILE_SIZE ? Gg.TILE_SIZE : n;
                e.face = Gg.getFaceForTile(n, i),
                e.cubeFace = Gg.mapFaceToCubemapFace(e.face),
                e.pano = t,
                e.panoSize = n,
                e.tileSize = r,
                e.tileIndex = i,
                e.totalTiles = Gg.getTileCountForSize(n),
                e.status = vm.None,
                e.image = null,
                Gg.getTileLocation(e.panoSize, e.tileIndex, e),
                Gg.getTileVector(e.panoSize, e.tileSize, e.cubeFace, e.tileX, e.tileY, Gg.LocationOnTile.Center, 0, e.direction)
            }
        }, {
            key: "getTiles",
            value: function(e, t) {
                return (Potree.settings.isLocal2 ? "".concat(Potree.settings.urls.prefix3, "/scene_view_data/").concat(t, "/images/") : "".concat(Potree.settings.urls.prefix3, "/images/images").concat(t, "/")).concat(e)
            }
        }, {
            key: "loadImage",
            value: function(e, t, n, i) {
                f0.loadImage(e, t).then(function(e) {
                    n(e)
                }).fail(i)
            }
        }]),
        n
    }();
    function x0(e, t) {
        this.tree = e,
        this.parent = t,
        this.children = [],
        this.id = ++M0
    }
    function E0(e) {
        e.root = function e(t, n, i) {
            if (i > t.levels)
                return null;
            var r = new x0(t,n);
            t.allNodes.push(r);
            for (var a = 0; a < _0; a++)
                r.children[a] = e(t, r, i + 1);
            return r
        }(e, null, 0)
    }
    b0.prototype.forceQueueTilesForPano = (m0 = [],
    v0 = [],
    function(e, t, n, i, r, a) {
        m0.length = 0;
        for (var o = this.getTileDownloadDescriptors(e, t), s = 0; s < o.length; s++) {
            var l = o[s];
            l.status !== vm.None && l.status !== vm.Queued || m0.push(l)
        }
        if (n && 0 < m0.length) {
            u0.sortPanoTiles(m0, e, n),
            v0.length = 0,
            Gg.matchingTilesInDirection(e, t, n, i, r, v0);
            for (var u = 0, c = function(e) {
                return e.face === d.face && e.faceTileIndex === d.faceTileIndex
            }; u < m0.length; ) {
                var d = m0[u];
                v0.findIndex(c) < 0 ? m0.splice(u, 1) : u++
            }
        }
        for (var h = 0; h < m0.length; h++)
            this.forceQueue.push(m0[h]);
        this.setStatusForAllDescriptors(this.forceQueue, vm.ForceQueued),
        this.clearFromQueue(this.priorityQueue, vm.ForceQueued, !1),
        a && this.processQueueForDownloading(this.forceQueue, !0)
    }
    ),
    b0.prototype.cleanupActiveDownloads = (g0 = [],
    function() {
        for (var e = g0.length = 0; e < this.activeDownloads.length; e++) {
            var t = this.activeDownloads[e];
            t.status !== vm.Downloaded && t.status !== vm.Failed && g0.push(t)
        }
        this.activeDownloads.length = 0,
        this.activeDownloads.push.apply(this.activeDownloads, g0)
    }
    ),
    b0.prototype.getTileUrl = (y0 = {
        256: "256",
        512: "512",
        1024: "1k",
        2048: "2k",
        4096: "4k"
    },
    w0 = {
        face: -1,
        faceTileIndex: -1,
        tileX: -1,
        tileY: -1
    },
    function() {
        var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
          , t = e.pano.originID
          , n = e.panoSize
          , i = e.tileSize
          , r = e.tileIndex
          , a = e.pano.pointcloud.sceneCode;
        Gg.getTileLocation(n, r, w0);
        var o = Math.floor(n / i)
          , i = Math.floor(r / (o * o))
          , r = ""
          , o = ""
          , o = Potree.settings.isLocal ? (r = this.getTiles(r = "tiles/" + t + "/" + y0[n] + "_face" + i + "_" + w0.tileX + "_" + w0.tileY + ".jpg", a),
        "?") : (r = "tiles/4k/" + t + "_skybox" + i + ".jpg?x-oss-process=",
        "512" == y0[n] ? r += "image/resize,h_512" : ("1k" == y0[n] || "2k" == y0[n] ? r += "image/resize,m_lfit,w_" + n + "/crop,w_512,h_512," : r = "tiles/4k/" + t + "_skybox" + i + ".jpg?x-oss-process=image/crop,w_512,h_512,",
        r += 0 == w0.tileX ? "x_0," : "x_" + (512 * w0.tileX - 1) + ",",
        r += 0 == w0.tileY ? "y_0" : "y_" + (512 * w0.tileY - 1)),
        r = this.getTiles(r, a),
        "&");
        return r += o + "time=" + e.pano.pointcloud.timeStamp
    }
    ),
    b0.tilegen = !0,
    b0.IDLE_REFRESH_DELAY = 500,
    b0.ACTIVE_REFRESH_DELAY = 16,
    b0.DOWNLOAD_RETRIES = 4;
    var _0 = 4
      , M0 = 0
      , A0 = function() {
        function i(e, t) {
            O(this, i),
            this.levels = t,
            this.tileSize = e,
            this.root = null,
            this.allNodes = [],
            E0(this)
        }
        return h(i, [{
            key: "getSubNode",
            value: function(e, t, n) {
                (!t || e < this.tileSize) && (t = 0),
                (!n || e < this.tileSize) && (n = 0),
                e < this.tileSize && (e = this.tileSize);
                e = i.getLevelCountForSize(this.tileSize, e);
                return function e(t, n, i, r, a) {
                    if (!t)
                        return null;
                    if (0 === i)
                        return t;
                    if (!t.children || 0 === t.children.length)
                        return null;
                    var o = Math.pow(2, i) / 2
                      , s = r % o
                      , l = a % o
                      , a = Math.floor(a / o)
                      , o = Math.floor(r / o);
                    return e(t.children[2 * a + o], n + 1, i - 1, s, l)
                }(this.root, 0, e, t, n)
            }
        }, {
            key: "breadthFirst",
            value: function(e) {
                var t = !!(e = e || {}).nullLevelEnd
                  , n = e.maxLevel
                  , i = e.minLevel
                  , r = e.callback
                  , a = e.saveVisited
                  , o = []
                  , s = {}
                  , l = 0;
                for (o.push(this.root),
                o.push(s); 0 < o.length && !(n && n < l); ) {
                    var u = o.shift();
                    if (u === s)
                        (!i || i <= l) && (r && t && r(null),
                        a && t && a.push(null)),
                        0 < o.length && o.push(s),
                        l++,
                        0;
                    else {
                        if (u.children)
                            for (var c = 0; c < u.children.length; c++)
                                u.children[c] && o.push(u.children[c]);
                        var d = this.getFaceIndexFromNode(u);
                        (!i || i <= l) && (r && r(u, l, d),
                        a && a.push(u)),
                        0
                    }
                }
            }
        }, {
            key: "getFaceIndexFromNode",
            value: function(e) {
                if (!e)
                    return -1;
                for (var t = 1, n = e, i = 0, r = 0; ; ) {
                    var a = n.parent;
                    if (!a)
                        break;
                    for (var o = -1, s = 0; s < a.children.length; s++)
                        a.children[s] === n && (o = s);
                    i = o % 2 * t + i,
                    r = Math.floor(o / 2) * t + r;
                    t *= 2,
                    n = a
                }
                return r * t + i
            }
        }, {
            key: "depthFirst",
            value: function(e, t, n) {
                !function e(t, n, i, r, a, o, s, l) {
                    if (t) {
                        var u = 2 * r + i;
                        if ((s = s || A0.TraversalType.PreOrder) === A0.TraversalType.PreOrder && (a && a(t, n, u, i, r),
                        o && o.push(t)),
                        t.children && 0 !== t.children.length) {
                            for (var c = 2 * r, d = 2 * i, h = 0; h < 2; h++)
                                for (var p = 0; p < 2; p++)
                                    e(t.children[2 * p + h], n + 1, d + h, c + p, a, o, s, l);
                            s === A0.TraversalType.PostOrder && (a && a(t, n, u, i, r),
                            o && o.push(t))
                        }
                    }
                }(this.root, 0, 0, 0, e, t, n, this.tileSize)
            }
        }]),
        i
    }();
    A0.TraversalType = Object.freeze({
        PreOrder: 0,
        PostOrder: 1
    }),
    A0.getLevelCountForSize = function(e, t) {
        var n = 0;
        for (t < e && (t = e); !((t /= 2) < e); )
            n++;
        return n
    }
    ;
    var T0, S0, C0, P0, D0, k0, B0, L0, R0, F0, I0, O0, z0, N0, U0, G0, H0, V0, j0, W0, X0, q0, J0 = !(A0.getSizeForLevel = function(e, t) {
        return Math.pow(2, t) * e
    }
    ), Y0 = T.tiling.uploadIntervalDelay, Z0 = T.tiling.initialIntervalDelay, Q0 = T.tiling.maxNonBaseUploadsPerFrame, K0 = T.tiling.maxBaseUploadsPerFrame, $0 = 0, ey = 1, ty = function() {
        y(a, hn);
        var r = w(a);
        function a(e, t, n) {
            var i;
            return O(this, a),
            (i = r.call(this)).tileDirectory = {},
            i.activeRenderTargetDescriptors = {},
            i.activePanos = [],
            i.panoLODDescriptors = {},
            i.panoDescriptors = {},
            i.tileTrees = {},
            i.forceQueue = [],
            i.uploadQueues = {},
            i.uploadInterval = null,
            i.uploadIntervalCancelled = !1,
            i.usingTileOverlay = !1,
            i.overlayTilesLoaded = !1,
            i.overlayTileBase = null,
            i.overlayTilesBasic = {},
            i.overlayTilesEnhanced = {},
            i.zoomRenderTarget = null,
            i.zoomPano = null,
            i.zoomingActive = !1,
            i.zoomPanoId = null,
            i.zoomPanoRenderingDisabled = !1,
            i.direction = [],
            i.maxBaseUploadsPerFrame = K0,
            i.maxNonBaseUploadsPerFrame = Q0,
            i.M = [],
            i.viewer = e,
            i.tileDownloader = t,
            i.qualityManager = n,
            i.initTime = performance.now(),
            i.bindEvents(),
            i
        }
        return h(a, [{
            key: "getActivePanoTextures",
            value: function(e) {
                e = e || [];
                for (var t = 0; t < M.length; t++) {
                    var n = M[t];
                    n.renderTarget && n.renderTarget.texture && e.push(n.renderTarget.texture)
                }
            }
        }, {
            key: "hasQueuedTiles",
            value: function() {
                var e = this.peekNextFromUploadQueue();
                return null != e
            }
        }, {
            key: "getActiveRenderTargetDescriptor",
            value: function(e) {
                return this.activeRenderTargetDescriptors[e]
            }
        }, {
            key: "setActiveRenderTargetDescriptor",
            value: function(e, t) {
                this.activeRenderTargetDescriptors[e] = t
            }
        }, {
            key: "bindEvents",
            value: function() {
                this.tileDownloader.addEventListener(hm.TileDownloadSuccess, this.onTileDownloaded.bind(this))
            }
        }, {
            key: "enableUltraHighQualityMode",
            value: function(t) {
                if ("2k" == T.tileClass || "1k" == T.tileClass)
                    return this.enableHighQuality(t);
                var e;
                this.qualityManager.ultraHighQualityModeEnabled() || (e = this.qualityManager.getPanoSize(cm.ULTRAHIGH),
                this.tileDownloader.testDownload(e, Gg.TILE_SIZE, function(e) {
                    e && (this.qualityManager.enableUltraHighQualityMode(),
                    this.setupZoomRenderTarget(),
                    t())
                }
                .bind(this)))
            }
        }, {
            key: "activateTiledPano",
            value: function(e, t, n) {
                n && this.clearAllQueuedUploads();
                for (var i = 0; i < Gg.FACES_PER_PANO; i++)
                    this.initTileTree(e.id, i, this.qualityManager.getMaxPossiblePanoSize());
                this.linkAllTilesAndNodes(e);
                var r = this.getActiveRenderTargetDescriptor(e.id)
                  , t = t;
                return t > this.qualityManager.getMaxNavPanoSize() && (t = this.qualityManager.getMaxNavPanoSize()),
                r && t === r.size || (r && this.deactiveDescripor(r.renderTarget),
                (r = this.activeDescripor(t)) || (t = this.initTiledPano(t, !1),
                (r = this.initDescriptor(t.width)).renderTarget = t),
                r.pano = e,
                this.resetPanoDescriptor(e.id),
                this.resetPanoLODDescriptors(e.id),
                this.resetRenderStatus(e.id, !0, !0)),
                this.setActiveRenderTargetDescriptor(e.id, r),
                this.updateActivePanos(e, n ? 0 : 1),
                r.renderTarget
            }
        }, {
            key: "deactivateTiledPano",
            value: function(e) {
                var t = this.getActiveRenderTargetDescriptor(e.id);
                this.isRenderTargetDescriptorValid(t) && (this.deactiveDescripor(t.renderTarget),
                this.setActiveRenderTargetDescriptor(e.id, null));
                e = this.getUploadQueueForPano(e.id);
                this.clearUploadQueue(e),
                this.updateActivePanos()
            }
        }, {
            key: "getActivePanoCount",
            value: function() {
                return this.activePanos.length
            }
        }, {
            key: "resetRenderStatus",
            value: function(e, r, a, t) {
                var n = null;
                t && (n = A0.getLevelCountForSize(Gg.TILE_SIZE, t) + 1);
                for (var i = function(e, t, n, i) {
                    a && (t.tile.zoomUploaded = !1),
                    r && (t.tile.uploaded = !1)
                }, o = 0; o < Gg.FACES_PER_PANO; o++)
                    this.getTileTree(e, o).breadthFirst({
                        callback: i.bind(this, o),
                        minLevel: n
                    })
            }
        }, {
            key: "copyBaseRenderStatusToZoomed",
            value: function(e) {
                for (var t = A0.getLevelCountForSize(Gg.TILE_SIZE, this.qualityManager.getMaxNavPanoSize()), n = function(e, t, n, i) {
                    t.tile.zoomUploaded = t.tile.uploaded,
                    t.zoomCovered = t.covered
                }, i = 0; i < Gg.FACES_PER_PANO; i++)
                    this.getTileTree(e, i).breadthFirst({
                        callback: n.bind(this, i),
                        maxLevel: t
                    })
            }
        }, {
            key: "isRenderTargetDescriptorValid",
            value: function(e) {
                return e && e.renderTarget
            }
        }, {
            key: "isPanoActive",
            value: function(e) {
                e = this.getActiveRenderTargetDescriptor(e);
                return this.isRenderTargetDescriptorValid(e)
            }
        }, {
            key: "isPanoZoomed",
            value: function(e) {
                return this.zoomingActive && this.zoomPanoId === e
            }
        }, {
            key: "initTileTree",
            value: function(e, t, n) {
                var i = this.tileTrees[e];
                i || (this.tileTrees[e] = i = []);
                var e = i[t];
                e || (n = A0.getLevelCountForSize(Gg.TILE_SIZE, n),
                e = new A0(Gg.TILE_SIZE,n),
                i[t] = e)
            }
        }, {
            key: "getTileTree",
            value: function(e, t) {
                e = this.tileTrees[e];
                e || console.error("PanoRenderer.getTileTree() -> Tree array not yet initialized!");
                t = e[t];
                return t || console.error("PanoRenderer.getTileTree() -> Tree not yet initialized!"),
                t
            }
        }, {
            key: "initTiledPano",
            value: function(e, t) {
                var n = this.viewer.renderer
                  , i = new na(e,{
                    stencilBuffer: !1
                })
                  , e = new ta([]);
                e.image = [null, null, null, null, null, null],
                e.flipY = !0,
                e.format = et,
                t ? (e.generateMipmaps = !0,
                e.magFilter = Oe,
                e.minFilter = G) : (e.generateMipmaps = !1,
                e.magFilter = Oe,
                e.minFilter = Oe),
                n.setRenderTarget(i),
                n.setRenderTarget(null);
                e = n.properties.get(e);
                return e.__image__webglTextureCube = e.__webglTexture,
                i
            }
        }, {
            key: "getUploadQueueForPano",
            value: function(e) {
                var t = this.uploadQueues[e];
                return t || (this.uploadQueues[e] = t = []),
                t
            }
        }, {
            key: "isTileUploaded",
            value: function(e) {
                return this.isPanoZoomed(e.panoId) ? e.zoomUploaded : e.uploaded
            }
        }, {
            key: "setUploaded",
            value: function(e, t) {
                this.isPanoZoomed(e.panoId) ? e.zoomUploaded = t : e.uploaded = t
            }
        }, {
            key: "queueTileUpload",
            value: function(e, t, n) {
                var i, r = this.getActiveRenderTargetDescriptor(e.panoId);
                !this.isRenderTargetDescriptorValid(r) || !e.downloaded || this.isTileUploaded(e) || e.uploadQueued && !n || e.panoSize > this.qualityManager.getMaxNavPanoSize() && !this.zoomingActive || (i = this.getUploadQueueForPano(e.panoId),
                n ? this.uploadTile(e, !1) : (this.shoulPushToFrontOfQueue(e) ? this.forceQueue.push(e) : t && this.direction ? u0.insertSortedPanoTile(i, e, r.pano, this.direction) : i.push(e),
                e.uploadQueued = !0,
                this.uploadInterval || this.uploadIntervalCancelled || this.refreshUploadInterval(0)))
            }
        }, {
            key: "shoulPushToFrontOfQueue",
            value: function(e) {
                return 0 === A0.getLevelCountForSize(Gg.TILE_SIZE, e.panoSize)
            }
        }, {
            key: "getTopUploadQueue",
            value: function() {
                for (var e, t, n = $0; n <= ey; n++)
                    for (var i = 0; i < this.activePanos.length; i++)
                        if (e = this.activePanos[i],
                        0 < (t = this.getUploadQueueForPano(e.id)).length)
                            switch (n) {
                            case $0:
                                if (0 === t[0].level)
                                    return t;
                                break;
                            case ey:
                                return t
                            }
                return null
            }
        }, {
            key: "peekNextFromUploadQueue",
            value: function() {
                if (0 < this.forceQueue.length)
                    return this.forceQueue[0];
                var e = this.getTopUploadQueue();
                return e && 0 < e.length ? e[0] : null
            }
        }, {
            key: "clearAllQueuedUploads",
            value: function() {
                this.clearAllUploadQueues(null, 0)
            }
        }, {
            key: "clearAllQueuedUploadsForPano",
            value: function(e) {
                this.clearAllUploadQueues(e, 0)
            }
        }, {
            key: "clearAllUploadQueues",
            value: function(e, t) {
                if (e)
                    this.clearUploadQueue(this.getUploadQueueForPano(e), t),
                    this.clearUploadQueue(this.forceQueue, t, e);
                else {
                    for (var n = 0; n < this.activePanos.length; n++) {
                        var i = this.activePanos[n];
                        this.clearUploadQueue(this.getUploadQueueForPano(i.id), t)
                    }
                    this.clearUploadQueue(this.forceQueue, t)
                }
            }
        }, {
            key: "clearUploadQueue",
            value: function(e, t, n) {
                null != t || (t = 0);
                for (var i = 0; i < e.length; ) {
                    var r = e[i];
                    (!n || n === r.tile.panoId) && r.level >= t ? (r.uploadQueued = !1,
                    e.splice(i, 1)) : i++
                }
            }
        }, {
            key: "updateUploadQueue",
            value: function(e, t) {
                e = e || 1;
                for (var n = 0, i = 0; ; ) {
                    this.forceQueue.slice(0);
                    if (t <= i || e <= n)
                        break;
                    var r, a = this.getNextFromUploadQueue();
                    if (!a)
                        break;
                    0 !== a.level ? n++ : i++,
                    a.panoSize > this.qualityManager.getMaxNavPanoSize() && !this.zoomingActive || (r = this.getActiveRenderTargetDescriptor(a.panoId),
                    this.isRenderTargetDescriptorValid(r) && this.uploadTile(a, a.forceUpload))
                }
            }
        }, {
            key: "updateDirection",
            value: function(e) {
                if (e = e || this.direction) {
                    this.direction = e;
                    for (var t = 0; t < this.activePanos.length; t++) {
                        var n = this.activePanos[t]
                          , i = this.getUploadQueueForPano(n.id);
                        u0.sortPanoTiles(i, n, this.direction)
                    }
                }
            }
        }, {
            key: "anyUploaded",
            value: function(e) {
                if (!e)
                    return !1;
                if (e.tile && this.isTileUploaded(e.tile))
                    return !0;
                if (e.children)
                    for (var t = 0; t < e.children.length; t++) {
                        var n = e.children[t];
                        if (this.anyUploaded(n))
                            return !0
                    }
                return !1
            }
        }, {
            key: "setNodeCovered",
            value: function(e, t) {
                this.isPanoZoomed(e.tile.panoId) ? e.zoomCovered = t : e.covered = t
            }
        }, {
            key: "isNodeCovered",
            value: function(e) {
                return !!e && (this.isPanoZoomed(e.tile.panoId) ? e.zoomCovered : e.covered)
            }
        }, {
            key: "addCoverageForNode",
            value: function(e) {
                this.setNodeCovered(e, !0),
                e.parent && e.covered && (e = e.parent,
                this.nodeSubcovered(e) && this.addCoverageForNode(e, !0))
            }
        }, {
            key: "calcFullCoverage",
            value: function(e) {
                var t = !1;
                if (e.children)
                    for (var n = 0; n < e.children.length; n++)
                        var i = e.children[n]
                          , t = t || this.calcFullCoverage(i);
                e.covered = e.tile.uploaded || t
            }
        }, {
            key: "nodeSubcovered",
            value: function(e) {
                if (!e.children)
                    return !1;
                for (var t = 0; t < e.children.length; t++)
                    if (!e.children[t] || !this.isNodeCovered(e.children[t]))
                        return !1;
                return !0
            }
        }, {
            key: "resetPanoDescriptor",
            value: function(e) {
                this.getPanoDescriptor(e)
            }
        }, {
            key: "getPanoDescriptor",
            value: function(e) {
                var t = this.panoDescriptors[e];
                return t || (this.panoDescriptors[e] = t = {}),
                t
            }
        }, {
            key: "resetPanoLODDescriptors",
            value: function(e) {
                var t, n, i = this.getPanoLODDescriptors(e);
                for (t in i)
                    i.hasOwnProperty(t) && ((n = i[t]).uploadCount = 0,
                    n.uploadAttempts = 0,
                    n.uploaded = [])
            }
        }, {
            key: "getPanoLODDescriptor",
            value: function(e, t) {
                var n = this.getPanoLODDescriptors(e)
                  , e = n[t];
                return e || (n[t] = e = {
                    uploadCount: 0,
                    uploadAttempts: 0,
                    uploaded: []
                }),
                e
            }
        }, {
            key: "getPanoLODDescriptors",
            value: function(e) {
                var t = this.panoLODDescriptors[e];
                return t || (this.panoLODDescriptors[e] = t = {}),
                t
            }
        }, {
            key: "onTileDownloaded",
            value: function(e) {
                var t = e.desc
                  , e = A0.getLevelCountForSize(Gg.TILE_SIZE, t.panoSize)
                  , e = this.getTileDirectoryEntry(t.panoId, t.face, e, t.faceTileIndex);
                e.downloaded = !0,
                e.image = t.image,
                e.panoSize = t.panoSize,
                e.tileX = t.tileX,
                e.tileY = t.tileY,
                e.totalTiles = t.totalTiles,
                e.tileIndex = t.tileIndex,
                e.faceTileIndex = t.faceTileIndex,
                e.face = t.face,
                e.cubeFace = Gg.mapFaceToCubemapFace(t.face),
                e.panoId = t.panoId,
                e.tileSize = t.tileSize,
                e.direction = (new Cn).copy(t.direction),
                e.node = null,
                e.level = A0.getLevelCountForSize(Gg.TILE_SIZE, e.panoSize),
                this.isPanoActive(e.panoId) && (t = this.getTileTree(e.panoId, e.face).getSubNode(e.panoSize, e.tileX, e.tileY),
                this.linkTileAndNode(e, t),
                this.queueTileUpload(e, !0))
            }
        }, {
            key: "getTileDirectoryEntry",
            value: function(e, t, n, i) {
                var r = this.tileDirectory[e];
                r || (this.tileDirectory[e] = r = {});
                var a = 16384 * t + 1024 * n + i
                  , o = r[a];
                return o || (r[a] = o = {
                    downloaded: !1,
                    uploaded: !1,
                    zoomUploaded: !1
                }),
                o._key = e + ":" + t + ":" + n + ":" + i,
                o._tileKey = a,
                o
            }
        }, {
            key: "setZoomingActive",
            value: function(e, t, n) {
                this.zoomPanoRenderingDisabled || e === this.zoomingActive && this.zoomPanoId === t.id || (this.zoomingActive = e,
                this.zoomPanoId = t.id,
                this.zoomingActive && (this.zoomPanoId !== t.id || n) && this.updateZoomedPanoFromBase(t))
            }
        }, {
            key: "updateZoomedPanoFromBase",
            value: function(e) {
                var t, n, i;
                this.zoomPanoRenderingDisabled || !this.zoomRenderTarget || (i = this.getActiveRenderTargetDescriptor(e.id)) && i.renderTarget && (t = Math.min(this.qualityManager.maxRenderTargetSize, this.qualityManager.getMaxZoomPanoSize()),
                n = i.renderTarget,
                i = i.size,
                this.copyCubeMap(n.texture, this.zoomRenderTarget, i, i, t, t),
                this.copyBaseRenderStatusToZoomed(e.id))
            }
        }, {
            key: "add",
            value: function(e) {
                this.M.push(e)
            }
        }, {
            key: "initDescriptor",
            value: function(e) {
                var t = {
                    renderTarget: null,
                    inUse: !1,
                    size: -1,
                    pano: null
                };
                return t.inUse = !0,
                t.size = e,
                this.add(t),
                t
            }
        }, {
            key: "activeDescripor",
            value: function(e) {
                for (var t = 0; t < this.M.length; t++) {
                    var n = this.M[t];
                    if (!n.inUse && n.size === e)
                        return n.inUse = !0,
                        n
                }
                return null
            }
        }, {
            key: "deactiveDescripor",
            value: function(e) {
                for (var t = 0; t < this.M.length; t++) {
                    var n = this.M[t];
                    if (n.renderTarget === e)
                        return !(n.inUse = !1)
                }
                return !1
            }
        }, {
            key: "enableHighQuality",
            value: function(e) {
                this.qualityManager.highQualityModeStarted || (this.setupZoomRenderTarget(),
                e(),
                this.qualityManager.highQualityModeStarted = !0)
            }
        }, {
            key: "linkTileAndNode",
            value: function(e, t) {
                (t.tile = e).node = t
            }
        }, {
            key: "linkAllTilesAndNodes",
            value: function(a) {
                for (var e = function(e, t, n, i, r) {
                    r = this.getTileDirectoryEntry(a.id, t, i, r);
                    this.linkTileAndNode(r, n)
                }, t = 0; t < Gg.FACES_PER_PANO; t++) {
                    var n = this.getTileTree(a.id, t);
                    n.breadthFirst({
                        callback: e.bind(this, n, t)
                    })
                }
            }
        }, {
            key: "initSizedTexture2D",
            value: function(e, t, n) {
                var i = this.viewer.renderer
                  , r = i.getContext()
                  , a = i.state
                  , o = new En(null);
                o.flipY = !1,
                o.generateMipmaps = n = !0 !== n ? !1 : n;
                var s = i.paramThreeToGL(o.format)
                  , l = i.paramThreeToGL(o.type)
                  , u = i.properties.get(o)
                  , c = r.createTexture();
                a.bindTexture(r.TEXTURE_2D, c),
                r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL, o.flipY),
                r.texImage2D(r.TEXTURE_2D, 0, s, e, e, 0, s, l, null),
                o.wrapS = t,
                o.wrapT = t;
                t = i.paramThreeToGL(t);
                return r.texParameteri(r.TEXTURE_2D, r.TEXTURE_WRAP_S, t),
                r.texParameteri(r.TEXTURE_2D, r.TEXTURE_WRAP_T, t),
                n ? (o.magFilter = Oe,
                o.minFilter = G,
                r.texParameteri(r.TEXTURE_2D, r.TEXTURE_MAG_FILTER, r.LINEAR),
                r.texParameteri(r.TEXTURE_2D, r.TEXTURE_MIN_FILTER, r.LINEAR_MIPMAP_NEAREST),
                r.generateMipmap(r.TEXTURE_2D)) : (o.magFilter = Oe,
                o.minFilter = Oe,
                r.texParameteri(r.TEXTURE_2D, r.TEXTURE_MAG_FILTER, r.LINEAR),
                r.texParameteri(r.TEXTURE_2D, r.TEXTURE_MIN_FILTER, r.LINEAR)),
                a.bindTexture(r.TEXTURE_2D, null),
                u.__webglTexture = c,
                o
            }
        }, {
            key: "deallocateCubeTexture",
            value: function(e) {
                var t = this.viewer.renderer
                  , n = t.getContext()
                  , e = t.properties.get(e);
                n.deleteTexture(e.__image__webglTextureCube)
            }
        }, {
            key: "uploadTexture2D",
            value: function(e, t, n, i, r, a) {
                var o = this.viewer.renderer
                  , s = o.getContext()
                  , l = o.state
                  , u = o.properties.get(t);
                l.bindTexture(s.TEXTURE_2D, u.__webglTexture),
                s.pixelStorei(s.UNPACK_FLIP_Y_WEBGL, t.flipY),
                s.pixelStorei(s.UNPACK_PREMULTIPLY_ALPHA_WEBGL, t.premultiplyAlpha),
                s.pixelStorei(s.UNPACK_ALIGNMENT, t.unpackAlignment),
                s.texParameteri(s.TEXTURE_2D, s.TEXTURE_WRAP_S, o.paramThreeToGL(t.wrapS)),
                s.texParameteri(s.TEXTURE_2D, s.TEXTURE_WRAP_T, o.paramThreeToGL(t.wrapT)),
                s.texParameteri(s.TEXTURE_2D, s.TEXTURE_MAG_FILTER, o.paramThreeToGL(t.magFilter)),
                s.texParameteri(s.TEXTURE_2D, s.TEXTURE_MIN_FILTER, o.paramThreeToGL(t.minFilter)),
                s.texSubImage2D(s.TEXTURE_2D, 0, n, i, s.RGBA, s.UNSIGNED_BYTE, e),
                t.generateMipmaps && s.generateMipmap(s.TEXTURE_2D),
                l.bindTexture(s.TEXTURE_2D, null)
            }
        }, {
            key: "getCubeOrientationForCubeFace",
            value: function(e, t) {
                switch (e) {
                case um.GL_TEXTURE_CUBE_MAP_POSITIVE_X:
                    t.set(0, -Math.PI / 2, 0);
                    break;
                case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
                    t.set(0, Math.PI / 2, 0);
                    break;
                case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
                    t.set(Math.PI / 2, Math.PI, 0);
                    break;
                case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
                    t.set(-Math.PI / 2, Math.PI, 0);
                    break;
                case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
                    t.set(0, -Math.PI, 0);
                    break;
                case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
                    t.set(0, 0, 0)
                }
            }
        }]),
        a
    }();
    function ny(e) {
        return (e = e.shift()).uploadQueued = !1,
        e
    }
    ty.prototype.setupZoomRenderTarget = (T0 = {},
    function() {
        var e, t, n;
        "2k" == this.qualityManager.maxRenderTargetSize && "2k" == this.qualityManager.getMaxNavPanoSize() || (this.qualityManager.getMaxZoomPanoSize() >= this.qualityManager.getMaxNavPanoSize() ? this.zoomRenderTarget && this.zoomRenderTarget.width === this.qualityManager.getMaxZoomPanoSize() || (e = this.zoomRenderTarget,
        (n = this.qualityManager.getMaxZoomPanoSize()) > this.qualityManager.maxRenderTargetSize || (T0[n] ? this.zoomRenderTarget = T0[n] : (this.zoomRenderTarget = this.initTiledPano(n, !1),
        T0[n] = this.zoomRenderTarget),
        e && (t = e.width,
        n = this.zoomRenderTarget.width,
        this.copyCubeMap(e.texture, this.zoomRenderTarget, t, t, n, n),
        e.texture.dispose(),
        e.texture.loaded = !1,
        e.texture.version = 0,
        this.deallocateCubeTexture(e.texture),
        e.texture = null),
        this.zoomPanoRenderingDisabled = !1)) : this.zoomPanoRenderingDisabled = !0)
    }
    ),
    ty.prototype.updateActivePanos = (S0 = [],
    function(e, t) {
        for (var n = S0.length = 0; n < this.activePanos.length; n++) {
            e && S0.length === t && S0.push(e);
            var i = this.activePanos[n]
              , r = this.getActiveRenderTargetDescriptor(i.id);
            e && i.id === e.id || !this.isRenderTargetDescriptorValid(r) || S0.push(i)
        }
        e && t >= S0.length && S0.push(e),
        this.activePanos.length = 0,
        this.activePanos.push.apply(this.activePanos, S0)
    }
    ),
    ty.prototype.renderPanoTiles = (C0 = [],
    function(e, t, n, i) {
        this.zoomRenderTarget && this.zoomRenderTarget.width === this.qualityManager.getMaxZoomPanoSize() || this.zoomPanoRenderingDisabled || this.setupZoomRenderTarget(),
        t = t || this.direction || pm.FORWARD;
        var r = this.getActiveRenderTargetDescriptor(e);
        this.isRenderTargetDescriptorValid(r) || console.error("PanoRenderer.renderPanoTiles() -> Cannot render to a pano that is not activated.");
        for (var a = 0; a < Gg.FACES_PER_PANO; a++) {
            var o = this.getTileTree(e, a);
            C0.length = 0,
            o.breadthFirst({
                saveVisited: C0
            });
            for (var s = 0; s < C0.length; s++) {
                var l = C0[s];
                this.queueTileUpload(l.tile, !1, i || 0 === s && n)
            }
        }
        this.updateDirection(t)
    }
    ),
    ty.prototype.getNextFromUploadQueue = function() {
        if (0 < this.forceQueue.length)
            return ny(this.forceQueue);
        var e = this.getTopUploadQueue();
        return e && 0 < e.length ? ny(e) : null
    }
    ,
    ty.prototype.refreshUploadInterval = (P0 = null,
    function(e) {
        this.uploadIntervalCancelled || (P0 = P0 || function() {
            this.uploadIntervalCancelled || (this.overlayTilesLoaded || !this.usingTileOverlay ? (J0 = !0,
            this.updateUploadQueue(this.maxNonBaseUploadsPerFrame, this.maxBaseUploadsPerFrame),
            this.peekNextFromUploadQueue() ? this.refreshUploadInterval(Y0) : this.uploadInterval = null) : this.refreshUploadInterval(this.uploadIntervalDelay))
        }
        .bind(this),
        null != e || (e = Y0),
        J0 || (e = Z0),
        this.uploadInterval = window.setTimeout(P0, e),
        this.uploadIntervalDelay = e)
    }
    ),
    ty.prototype.update = (D0 = performance.now(),
    k0 = 0,
    function() {
        this.uploadIntervalCancelled = !0,
        window.clearTimeout(this.uploadInterval),
        this.uploadInterval = null;
        var e = performance.now() - D0;
        !(Y0 < e || 0 === k0) || !this.overlayTilesLoaded && this.usingTileOverlay || (this.updateUploadQueue(this.maxNonBaseUploadsPerFrame, this.maxBaseUploadsPerFrame),
        D0 = performance.now()),
        k0++
    }
    ),
    ty.prototype.uploadTile = (B0 = {},
    L0 = T.tiling.overlayStyle,
    R0 = {},
    function(e, t) {
        var n = this
          , i = e.panoId
          , r = e.image
          , a = e.tileSize
          , o = e.panoSize
          , s = e.tileIndex
          , l = e.totalTiles
          , u = e.tileX
          , c = e.tileY
          , d = !0
          , h = !1
          , p = !1
          , f = (this.getPanoDescriptor(i),
        this.getPanoLODDescriptor(i, o))
          , m = this.getActiveRenderTargetDescriptor(i)
          , v = m.renderTarget
          , g = m.size;
        this.isPanoZoomed(i) && this.zoomRenderTarget && (v = this.zoomRenderTarget,
        g = this.zoomRenderTarget.width);
        function y() {
            f.uploaded.includes(s) || (f.uploaded.push(s),
            f.uploadCount++),
            n.dispatchEvent({
                type: dm.TileRenderSuccess,
                id: i,
                panoSize: o,
                tileIndex: s,
                totalTiles: l
            }),
            f.uploadCount === l && n.dispatchEvent({
                type: dm.PanoRenderComplete,
                id: i,
                panoSize: o,
                totalTiles: l,
                updateFullComplete: !0
            }),
            n.setUploaded(e, !0),
            n.addCoverageForNode(e.node)
        }
        var w, b;
        return this.isRenderTargetDescriptorValid(m) || (h = d = !1),
        t || (this.anyUploaded(e.node) && (p = h = !(d = !1)),
        this.isTileUploaded(e) && (p = !(h = d = !1))),
        d ? (t = a / o * g,
        d = u * a / o * g,
        g = c * a / o * g,
        B0[a] || (B0[a] = this.initSizedTexture2D(a, Be)),
        o > this.qualityManager.maxRenderTargetSize ? (b = this.initSizedTexture2D(a, Be),
        w = this.viewer.images360.isHighMapLoaded(e.cubeFace, u, c)) : b = B0[a],
        this.uploadTexture2D(r, b, 0, 0, a, a),
        o > this.qualityManager.maxRenderTargetSize ? w || this.viewer.images360.updateHighMap(b, e.cubeFace, u, c) : 1 === L0 || 2 === L0 ? (c = 1 === L0 ? this.overlayTilesBasic : this.overlayTilesEnhanced,
        this.renderToCubeMap(b, v, a, a, 0, 0, a, a, d, g, t, t, e.cubeFace),
        this.renderToCubeMap(c[o], v, a, a, 0, 0, a, a, d, g, t, t, e.cubeFace, K, !0, .5)) : this.renderToCubeMap(b, v, a, a, 0, 0, a, a, d, g, t, t, e.cubeFace),
        y()) : p ? y() : (R0[i + ":" + o + ":" + s] = !0,
        this.setUploaded(e, !1)),
        e.uploadAttempted || (f.uploadAttempts++,
        this.dispatchEvent({
            type: dm.TileUploadAttempted,
            id: i,
            panoSize: o,
            tileIndex: s,
            totalTiles: l
        })),
        e.uploadAttempted = !0,
        f.uploadAttempts === l && this.dispatchEvent({
            type: dm.UploadAttemptedForAllTiles,
            id: i,
            panoSize: o,
            totalTiles: l
        }),
        h
    }
    ),
    ty.prototype.renderToCubeMap = (F0 = !1,
    U0 = N0 = z0 = O0 = I0 = null,
    function(e, t, n, i, r, a, o, s, l, u, c, d, h, p, f, m) {
        var v = this.viewer.renderer;
        F0 || ((O0 = new ed(-.5,.5,.5,-.5,-200,200)).position.z = 150,
        (I0 = new gs).add(O0),
        z0 = new Qr({
            uniforms: {
                tDiffuse: {
                    type: "scene",
                    value: null
                },
                alpha: {
                    type: "startYinTile",
                    value: 1
                }
            },
            vertexShader: Hp["basicTextured.vs"],
            fragmentShader: Hp["basicTextured.fs"],
            depthWrite: !1,
            depthTest: !1,
            side: Y
        }),
        N0 = new ua(1,1),
        (U0 = new Hr(N0,z0)).position.z = 0,
        I0.add(U0),
        F0 = !0);
        var g = N0.getAttribute("uv");
        g.setDynamic(!0),
        g.needsUpdate = !0;
        g = g.array,
        r /= n,
        a /= i,
        n = o / n,
        i = s / i;
        g[0] = r,
        g[1] = a + i,
        g[2] = r + n,
        g[3] = a + i,
        g[4] = r,
        g[5] = a,
        g[6] = r + n,
        g[7] = a;
        a = N0.getAttribute("position");
        a.setDynamic(!0),
        a.needsUpdate = !0;
        a = a.array,
        l = l / t.width - .5,
        u = u / t.height - .5,
        c /= t.width,
        d /= t.height;
        a[0] = l,
        a[1] = u + d,
        a[3] = l + c,
        a[4] = u + d,
        a[6] = l,
        a[7] = u,
        a[9] = l + c,
        a[10] = u,
        v.properties.get(I0),
        z0.uniforms.tDiffuse.value = e,
        z0.blending = p || Z,
        z0.transparent = !!f,
        z0.uniforms.alpha.value = m = null == m ? 1 : m,
        z0.needUpdate = !0,
        t.viewport.set(0, 0, t.width, t.height);
        f = v.autoClear,
        m = v.getRenderTarget();
        v.autoClear = !1,
        v.setRenderTarget(t, h),
        v.render(I0, O0),
        v.setRenderTarget(m),
        v.autoClear = f
    }
    ),
    ty.prototype.copyCubeMap = (H0 = !1,
    X0 = W0 = j0 = V0 = null,
    q0 = new ci,
    function(e, t, n, i, r, a, o, s, l) {
        if (!(r > this.qualityManager.maxRenderTargetSize)) {
            H0 || ((j0 = new ed(-1,1,1,-1,0,200)).position.set(0, 0, 0),
            (V0 = new gs).add(j0),
            W0 = new Qr({
                uniforms: {
                    tDiffuse: {
                        type: "t",
                        value: null
                    },
                    alpha: {
                        type: "f",
                        value: 1
                    }
                },
                vertexShader: Hp["copyCubeMap.vs"],
                fragmentShader: Hp["copyCubeMap.fs"],
                depthWrite: !1,
                depthTest: !1,
                side: Y
            }),
            G0 = new Cl(2,2,2),
            X0 = new Hr(G0,W0),
            V0.add(X0),
            H0 = !0);
            var u = this.viewer.renderer.autoClear
              , c = this.viewer.renderer.getRenderTarget();
            this.viewer.renderer.autoClear = !1,
            W0.uniforms.tDiffuse.value = e,
            W0.blending = o || Z,
            W0.transparent = !!s,
            W0.uniforms.alpha.value = l = null == l ? 1 : l,
            W0.needUpdate = !0;
            for (var d = 0; d < 6; d++)
                this.getCubeOrientationForCubeFace(d, q0),
                X0.rotation.copy(q0),
                X0.matrixWorldNeedsUpdate = !0,
                X0.updateMatrixWorld(),
                t.viewport.set(0, 0, r, a),
                this.viewer.renderer.setRenderTarget(t, d),
                this.viewer.renderer.render(V0, j0);
            this.viewer.renderer.autoClear = u,
            this.viewer.renderer.setRenderTarget(c)
        }
    }
    );
    var iy, ry, ay, oy = function() {
        function t() {
            O(this, t);
            var e = document.createElement("canvas");
            this.canvas = e,
            this.context = e.getContext("2d")
        }
        return h(t, [{
            key: "changeImg",
            value: function(e) {
                this.img != e && (this.canvas.width = e.width,
                this.canvas.height = e.height,
                this.context.drawImage(e, 0, 0),
                this.img = e)
            }
        }, {
            key: "getDepth",
            value: function(e, t) {
                e = Math.round(e * (this.canvas.width - 1)),
                t = Math.round(t * (this.canvas.height - 1));
                if (!(e < 0 || t < 0 || e >= this.width || t >= this.height)) {
                    t = this.context.getImageData(e, t, 1, 1).data;
                    return t[1] + t[0] / 256
                }
            }
        }, {
            key: "sample",
            value: function(e, t, n) {
                if (e) {
                    var i = new THREE.Vector3;
                    if ((t = t || viewer.images360.currentPano) != this.currentPano) {
                        if (!t.depthTex)
                            return;
                        this.changeImg(t.depthTex.image),
                        this.currentPano = t
                    }
                    var r, a = t.position, o = e.dir || (new THREE.Vector3).subVectors(e.point, a).normalize(), s = o.clone().applyMatrix4(t.panoMatrix2Inverse).normalize(), l = Up.getUVfromDir(s);
                    if (u = this.getDepth(l.x, l.y))
                        return i.copy(o).multiplyScalar(u).add(a),
                        n || (e = this.getNearbyPoint(a, l, -1, 0),
                        s = this.getNearbyPoint(a, l, 1, 0),
                        n = this.getNearbyPoint(a, l, 0, -1),
                        r = this.getNearbyPoint(a, l, 0, 1),
                        r = this.planeFit(o, i, e, s, n, r)),
                        {
                            location: i,
                            normal: r,
                            distance: u
                        };
                    if (.75 < l.y) {
                        var u = (t.floorPosition.z - a.z - .1) / o.z;
                        return i.copy(o).multiplyScalar(u).add(a),
                        {
                            location: i,
                            normal: new THREE.Vector3(0,0,1),
                            distance: u
                        }
                    }
                    return !1
                }
            }
        }, {
            key: "getNearbyPoint",
            value: function(e, t, n, i) {
                t = t.clone();
                t.x += n / (this.canvas.width - 1),
                t.x = this.clampUV(t.x),
                t.y += i / (this.canvas.height - 1),
                t.y = this.clampUV(t.y);
                i = Up.getDirFromUV(t);
                i.applyMatrix4(viewer.images360.currentPano.panoMatrix2);
                t = this.getDepth(t.x, t.y);
                return (new THREE.Vector3).copy(i).multiplyScalar(t).add(e)
            }
        }, {
            key: "clampUV",
            value: function(e) {
                return (e + 1) % 1
            }
        }, {
            key: "planeFit",
            value: function(n, i, e, t, r, a) {
                var o = new THREE.Vector3
                  , s = new THREE.Plane;
                function l(e, t) {
                    e && t && (s.setFromCoplanarPoints(i, e, t),
                    o.addScaledVector(s.normal, n.dot(s.normal) < 0 ? 1 : -1))
                }
                if (l(e, r),
                l(e, a),
                l(t, r),
                l(t, a),
                0 !== o.x || 0 !== o.y || 0 !== o.z)
                    return o.normalize(),
                    o
            }
        }]),
        t
    }(), sy = ((new Sn).setFromAxisAngle(new Cn(0,0,1), Math.PI / 2),
    new sh,
    new _c,
    new $i({
        side: J
    }),
    []), ly = function() {
        y(c, hn);
        var u = w(c);
        function c(a) {
            var o;
            O(this, c),
            (o = u.call(this)).viewer = a,
            o.selectingEnabled = !0,
            o.panos = [],
            o.neighbourMap = {},
            o.node = new Si,
            o.node.name = "ImagesNode",
            o.cubePanos = [],
            o.cube = new Hr(new Wr(1,1,1,1),new Ug),
            a.updateVisible(o.cube, "showSkybox", !1),
            o.cube.layers.set(Potree.config.renderLayers.skybox),
            o.cube.name = "skyboxCube",
            a.scene.scene.add(o.cube),
            o._visible = !0,
            o.currentPano = null,
            o.mouseLastMoveTime = Date.now(),
            o.scrollZoomSpeed = .06,
            o.zoomLevel = 1,
            o.tileDownloader = new b0,
            o.qualityManager = new Kg,
            o.panoRenderer = new ty(a,o.tileDownloader,o.qualityManager),
            o.basePanoSize = o.qualityManager.getPanoSize(cm.BASE),
            o.standardPanoSize = o.qualityManager.getPanoSize(cm.STANDARD),
            o.highPanoSize = o.qualityManager.getPanoSize(cm.HIGH),
            o.ultraHighPanoSize = o.qualityManager.getPanoSize(cm.ULTRAHIGH),
            o.tileDownloader.processPriorityQueue = !1,
            o.tileDownloader.tilePrioritizer = new u0(o.qualityManager,o.basePanoSize,o.standardPanoSize,o.highPanoSize,o.ultraHighPanoSize),
            o.flying_ = !1,
            o.addHighMapCube(),
            a.addEventListener(gm.Enter, function(e) {
                o.setHighMap(e.newPano)
            }),
            a.addEventListener("panoSetZoom", function(e) {
                "showPanos" == Potree.settings.displayMode && (e.zoomed ? o.showHighMap() : o.hideHighMap())
            }),
            o.depthSampler = new oy,
            o.addEventListener("loadedDepthImg", function(e) {
                e.loaded && o.updateDepthTex(e.pano)
            });
            a.fpControls.addEventListener("dollyStopCauseUnable", function(e) {
                var t;
                Potree.settings.zoom.enabled && (null != e.scale ? o.zoomBy(e.scale, e.pointer) : (t = 0 < e.delta ? 1 + o.scrollZoomSpeed : 1 - o.scrollZoomSpeed,
                0 != e.delta && o.zoomBy(t)))
            });
            var n, e;
            a.addEventListener("global_click", function(e) {
                if (!(e.clickElement || Potree.settings.unableNavigate || o.flying || !e.isTouch && e.button != C.LEFT || e.drag && e.drag.object || "pano" == Potree.settings.editType && "mainView" != a.modules.PanoEditor.activeViewName || "merge" == Potree.settings.editType && !e.intersectPoint || a.inputHandler.hoveredElements[0] && a.inputHandler.hoveredElements[0].isModel && e.intersectPoint.distance > a.inputHandler.hoveredElements[0].distance)) {
                    if ("pano" != Potree.settings.editType && "merge" != Potree.settings.editType) {
                        if (e.hoverViewport == a.mapViewer.viewports[0])
                            return a.mapViewer.dispatchEvent(e);
                        if (e.hoverViewport != a.mainViewport)
                            return
                    }
                    Potree.settings.dblToFocusPoint || o.flyToPanoClosestToMouse()
                }
            }),
            a.addEventListener("global_mousemove", function(e) {
                !Potree.settings.unableNavigate && Potree.settings.ifShowMarker && e.hoverViewport == a.mainViewport && o.updateClosestPano(e.intersect/* Point */)
            }),
            o.addEventListener("markerHover", function(e) {
                o.updateClosestPano(e.pano, e.hovered)
            }),
            Potree.settings.isOfficial || (o.domRoot = a.renderer.domElement.parentElement,
            (e = $("<input type='button' value='unfocus'></input>")).css({
                position: "absolute",
                right: "25%",
                bottom: "20px",
                zIndex: "10000",
                fontSize: "1em",
                color: "black",
                display: "none",
                background: "rgba(255,255,255,0.8)"
            }),
            e.on("click", function() {
                return o.unfocus()
            }),
            o.elUnfocus = e,
            o.domRoot.appendChild(e[0]),
            "merge" != Potree.settings.editType && ((n = $("<input type='button' value='隐藏点云'></input>")).css({
                position: "absolute",
                right: "40%",
                bottom: "20px",
                zIndex: "10000",
                fontSize: "1em",
                color: "black",
                width: "100px",
                background: "rgba(255,255,255,0.8)"
            }),
            o.domRoot.appendChild(n[0]),
            n.on("click", function(e) {
                var t = a.getObjVisiByReason(a.scene.pointclouds[0], "force");
                a.scene.pointclouds.forEach(function(e) {
                    a.updateVisible(e, "force", !t)
                }),
                n.val(t ? "显示点云" : "隐藏点云")
            })),
            (e = $("<input type='button' value='>>全景'></input>")).css({
                position: "absolute",
                right: "65%",
                bottom: "20px",
                zIndex: "10000",
                fontSize: "1em",
                color: "black",
                width: "100px",
                background: "rgba(255,255,255,0.8)"
            }),
            o.domRoot.appendChild(e[0]),
            e.on("click", function(e) {
                "showPointCloud" == Potree.settings.displayMode && 0 == o.panos.length || (Potree.settings.displayMode = "showPointCloud" == Potree.settings.displayMode ? "showPanos" : "showPointCloud")
            }),
            o.elDisplayModel = e);
            var s = ""
              , l = "";
            Object.defineProperty(Potree.settings, "displayMode", {
                get: function() {
                    return s
                },
                set: function(t) {
                    if (l = t,
                    console.warn("Request setMode: " + t),
                    t != s) {
                        var n, e = Potree.config.displayMode[t], i = a.scene.getActiveCamera();
                        if ("showPanos" == t && a.mainViewport.view.isFlying())
                            a.mainViewport.view.addEventListener("flyingDone", function e() {
                                l == t && (Potree.settings.displayMode = t),
                                a.mainViewport.view.removeEventListener("flyingDone", e)
                            });
                        else {
                            if (o.isAtPano())
                                n = o.flying ? e.transition : e.atPano;
                            else if (n = e.atPano,
                            "showPanos" == t) {
                                if (0 == o.panos.length)
                                    return;
                                var r = function e() {
                                    o.removeEventListener("flyToPanoDone", e),
                                    l == t && (Potree.settings.displayMode = t)
                                };
                                return o.flyToPano({
                                    pano: o.findNearestPano()
                                }),
                                void o.addEventListener("flyToPanoDone", r)
                            }
                            if (n.showSkybox || n.showPoint && n.pointUsePanoTex ? o.tileDownloader.start() : o.tileDownloader.stop(),
                            n.showSkybox || n.pointUsePanoTex) {
                                r = function e() {
                                    setTimeout(function() {
                                        l == t && (Potree.settings.displayMode = t)
                                    }, 1),
                                    o.removeEventListener("loadedDepthImg", e)
                                }
                                ;
                                if (!o.currentPano.depthTex && o.currentPano.pointcloud.hasDepthTex)
                                    return o.addEventListener("loadedDepthImg", r),
                                    o.currentPano.loadDepthImg();
                                if (o.checkAndWaitForPanoLoad(o.currentPano, o.basePanoSize, r))
                                    return
                            }
                            a.scene.pointclouds.forEach(function(e) {
                                a.updateVisible(e, "displayMode", n.showPoint, 2)
                            }),
                            n.pointUsePanoTex ? a.scene.pointclouds.forEach(function(e) {
                                e.material.setProjectedPanos(o.currentPano, o.currentPano, 1)
                            }) : a.scene.pointclouds.forEach(function(e) {
                                e.material.stopProjectedPanos()
                            }),
                            a.updateVisible(o.cube, "showSkybox", n.showSkybox),
                            o.cube.visible ? o.setProjectedPanos({
                                progress: 1,
                                ifSkybox: !0,
                                ifPointcloud: !1,
                                easeInOutRatio: 0,
                                pano0: o.currentPano,
                                pano1: o.currentPano
                            }) : (o.smoothZoomTo(1),
                            o.resetHighMap(),
                            o.hideHighMap()),
                            "showPanos" == (s = t) ? (i.far = a.farWhenShowPano,
                            Potree.settings.pointDensity = "panorama",
                            Potree.config.displayMode.showPanos.transition.pointUsePanoTex && a.scene.pointclouds.forEach(function(e) {
                                e.material.pointSizeType = "FIXED"
                            }),
                            o.updateCube(o.currentPano)) : (i.limitFar && (i.far = Potree.settings.cameraFar),
                            Potree.settings.pointDensity = Potree.settings.UserPointDensity,
                            Potree.config.displayMode.showPanos.transition.pointUsePanoTex && a.scene.pointclouds.forEach(function(e) {
                                e.material.pointSizeType = Potree.config.material.pointSizeType
                            })),
                            i.updateProjectionMatrix(),
                            o.elDisplayModel && o.elDisplayModel.val("showPointCloud" == t ? ">>全景" : ">>点云"),
                            o.dispatchEvent({
                                type: "endChangeMode",
                                mode: t
                            }),
                            console.log("setModeSuccess: " + t)
                        }
                    }
                }
            }),
            Potree.settings.displayMode = "showPointCloud";
            var t = null;
            Object.defineProperty(g(o), "currentPano", {
                get: function() {
                    return t
                },
                set: function(e) {
                    e != t && (t && t.exit(),
                    e && e.enter(),
                    t = e)
                }
            });
            var i = !0;
            Object.defineProperty(Potree.settings, "ifShowMarker", {
                get: function() {
                    return i
                },
                set: function(t) {
                    (t = !!t) != i && (o.panos.forEach(function(e) {
                        a.updateVisible(e, "ifShowMarker", t, 1)
                    }),
                    i = t)
                }
            }),
            a.addEventListener("update", function() {
                o.update(a)
            });
            var r = {
                FORWARD: ["W".charCodeAt(0), 38],
                BACKWARD: ["S".charCodeAt(0), 40],
                LEFT: ["A".charCodeAt(0), 37],
                RIGHT: ["D".charCodeAt(0), 39]
            };
            return a.inputHandler.addEventListener("keydown", function(t) {
                if ("showPanos" == Potree.settings.displayMode)
                    for (var e in r)
                        if (r[e].some(function(e) {
                            return e == t.keyCode
                        })) {
                            switch (e) {
                            case "FORWARD":
                                o.flyLocalDirection(pm.FORWARD.clone());
                                break;
                            case "BACKWARD":
                                o.flyLocalDirection(pm.BACK.clone());
                                break;
                            case "LEFT":
                                o.flyLocalDirection(pm.LEFT.clone());
                                break;
                            case "RIGHT":
                                o.flyLocalDirection(pm.RIGHT.clone())
                            }
                            break
                        }
            }),
            o
        }
        return h(c, [{
            key: "updateDepthTex",
            value: function(e) {
                this.currentPano == e && e.depthTex && this.cube.material.updateDepthTex(e)
            }
        }, {
            key: "findNearestPano",
            value: function(t) {
                t = t ? (new Cn).copy(t) : this.position;
                var e = Fm.sortByScore(this.panos, [c.filters.isEnabled()], [function(e) {
                    return -e.position.distanceTo(t)
                }
                ]);
                return e && e[0] && e[0].item
            }
        }, {
            key: "flyLocalDirection",
            value: function(e) {
                var t = this.getDirection(e)
                  , n = 1 === e.y ? .4 : .75
                  , e = 1 === Math.abs(e.x);
                return this.flyDirection(t, n, e)
            }
        }, {
            key: "getDirection",
            value: function(e) {
                return e ? (e = e || (new Cn).copy(pm.FORWARD)).applyQuaternion(viewer.scene.getActiveCamera().quaternion) : viewer.scene.view.direction
            }
        }, {
            key: "position",
            get: function() {
                return this.viewer.scene.view.position.clone()
            }
        }, {
            key: "visible",
            get: function() {
                return this._visible
            },
            set: function(e) {
                this._visible !== e && (this._visible = e,
                this.dispatchEvent({
                    type: "visibility_changed",
                    panos: this
                }))
            }
        }, {
            key: "isAtPano",
            value: function() {
                return this.currentPano && viewer.scene.view.position.equals(this.currentPano.position)
            }
        }, {
            key: "updateProjectedPanos",
            value: function() {
                this.projectedPano0 && this.projectedPano1 && this.setProjectedPanos({
                    pano0: this.projectedPano0,
                    pano1: this.projectedPano1
                })
            }
        }, {
            key: "setProjectedPanos",
            value: function() {
                var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                this.cube.material.setProjectedPanos(t.pano0, t.pano1, t.progress),
                t.ifPointcloud && viewer.scene.pointclouds.forEach(function(e) {
                    e.material.setProjectedPanos(t.pano0, t.pano1, t.progress, t.easeInOutRatio)
                }),
                this.projectedPano0 = t.pano0,
                this.projectedPano1 = t.pano1
            }
        }, {
            key: "cancelFlyToPano",
            value: function() {
                viewer.mainViewport.view.isFlying() || (this.nextPano = null,
                this.latestToPano = null)
            }
        }, {
            key: "flyToPano",
            value: function(n) {
                var i = this;
                if (n && (n = n instanceof Qg ? {
                    pano: n
                } : n).pano.enabled) {
                    var e = function(e, t) {
                        e || t ? (n.callback && n.callback(e),
                        i.cancelFlyToPano(),
                        i.updateClosestPano(i.closestPano, !1)) : console.log("makeit fail"),
                        i.dispatchEvent({
                            type: "flyToPanoDone",
                            makeIt: e
                        }),
                        n.deferred && n.deferred.resolve(e)
                    };
                    if (this.currentPano == n.pano && this.isAtPano() && !n.target && !n.quaternion)
                        return this.dispatchEvent({
                            type: "flyToPano",
                            toPano: n
                        }),
                        e(!0);
                    if (this.latestToPano && this.latestToPano != n)
                        return e(!1);
                    var t = n.target
                      , r = n.easeName || "easeInOutQuad"
                      , a = Potree.config.displayMode[Potree.settings.displayMode]
                      , o = a.atPano.showPoint
                      , s = n.pano
                      , l = Potree.config.transitionsTime
                      , u = this.isAtPano() ? l.panoToPanoMax : l.flyIn
                      , c = null == n.duration ? l.flyMinTime + Math.min(l.flytimeDistanceMultiplier * this.position.distanceTo(s.position), u) : n.duration;
                    n.duration = c,
                    this.nextPano = s,
                    this.latestToPano = n;
                    var d, u = function e() {
                        i.latestToPano == n && (setTimeout(function() {
                            i.latestToPano == n && i.flyToPano(n)
                        }, 1),
                        i.removeEventListener("loadedDepthImg", e))
                    };
                    if (!s.depthTex && s.pointcloud.hasDepthTex)
                        return this.addEventListener("loadedDepthImg", u),
                        s.loadDepthImg();
                    (a.atPano.showSkybox || a.atPano.pointUsePanoTex) && (this.updateCube(this.currentPano, n.pano),
                    this.checkAndWaitForPanoLoad(s, n.basePanoSize || this.basePanoSize, u)) || (viewer.updateVisible(this.cube, "showSkybox", a.atPano.showSkybox),
                    a.transition.showPoint && viewer.scene.pointclouds.forEach(function(e) {
                        viewer.updateVisible(e, "displayMode", !0)
                    }),
                    (a.transition.showSkybox || a.transition.pointUsePanoTex) && this.setProjectedPanos({
                        progress: 0,
                        ifSkybox: this.cube.visible,
                        ifPointcloud: a.transition.pointUsePanoTex,
                        easeInOutRatio: o ? .3 : 0,
                        pano0: this.currentPano,
                        pano1: s
                    }),
                    d = s.position.clone(),
                    n.duration = c,
                    n.easeName = r,
                    this.beforeFlyToPano(n),
                    u = function() {
                        i.dispatchEvent({
                            type: "flyToPano",
                            toPano: n
                        }),
                        viewer.scene.view.setView({
                            position: d,
                            target: t,
                            quaternion: n.quaternion,
                            duration: c,
                            callback: function() {
                                a.atPano.pointUsePanoTex || viewer.scene.pointclouds.forEach(function(e) {
                                    e.material.stopProjectedPanos()
                                }),
                                i.currentPano = s,
                                i.nextPano = null,
                                "showPanos" == Potree.settings.displayMode && viewer.scene.pointclouds.forEach(function(e) {
                                    viewer.updateVisible(e, "displayMode", o)
                                }),
                                e(!0),
                                i.updateDepthTex(i.currentPano)
                            },
                            onUpdate: function(t) {
                                i.cube.material.uniforms.progress.value = t,
                                viewer.scene.pointclouds.forEach(function(e) {
                                    e.material.uniforms.progress.value = t
                                })
                            },
                            cancelFun: function() {
                                e(!1, !0)
                            },
                            Easing: r
                        })
                    }
                    ,
                    "showPanos" == Potree.settings.displayMode ? setTimeout(u, 40) : u())
                }
            }
        }, {
            key: "beforeFlyToPano",
            value: function(e) {
                this.currentPano != e.pano && ("showPanos" == Potree.settings.displayMode && this.resetHighMap(),
                this.smoothZoomTo(1, e.duration / 2))
            }
        }, {
            key: "updateCube",
            value: function(e, t) {
                var n, i, r = this;
                
                if(Potree.settings.displayMode != 'showPanos')return//add
                
                if (!viewer.scene.pointclouds.some(function(e) {
                    return !e.hasDepthTex
                }))
                    return this.updateCube2(e, t);
                "showPanos" == Potree.settings.displayMode && (n = function(e, t) {
                    t = t || e.getSize(new Cn);
                    e = e.getCenter(new Cn);
                    t.max(new Cn(1,1,1)),
                    r.cube.scale.copy(t),
                    r.cube.position.copy(e)
                }
                ,
                !t || e.pointcloud == t.pointcloud ? n(e.pointcloud.bound) : (i = e.pointcloud.bound.clone().union(t.pointcloud.bound),
                function(e, t) {
                    if (e.intersectsBox(t))
                        return 0;
                    var n = e.getCenter(new Cn)
                      , i = t.getCenter(new Cn)
                      , r = n.distanceTo(i);
                    return e.distanceToPoint(i) + t.distanceToPoint(n) - r
                }(e.pointcloud.bound, t.pointcloud.bound) < 100 ? n(i) : (e = i.getSize(new Cn),
                t = Math.max(e.x, e.y, e.z),
                e.set(t, t, t),
                n(i, e))))
            }
        }, {
            key: "updateCube3",
            value: function(e, t) {
                var h, p, f, m, v, g, y, n, i, a, o, s, l, u, c, d, w, b, r, x = this;
                "showPanos" != Potree.settings.displayMode || e == t || this.cubePanos.includes(e) && this.cubePanos.includes(t) || (this.cubePanos = [e, t],
                this.cube.geometry.dispose(),
                t ? (h = 2 * (e.pointcloud.hasDepthTex && e.pointcloud.hasDepthTex ? A.isMobile() ? 3 : 6 : A.isMobile() ? 2 : 3),
                p = 0,
                f = function(e, t, n) {
                    return e && e.pointcloud.hasDepthTex ? x.depthSampler.sample({
                        dir: t
                    }, e, !0) : (n = n || e.position,
                    viewer.inputHandler.getIntersect(viewer.inputHandler.hoverViewport, !0, null, null, !0, {
                        point: n.clone().add(t),
                        cameraPos: n
                    }))
                }
                ,
                m = function(e, t) {
                    e = (new ni).makeRotationZ(e);
                    return t.clone().applyMatrix4(e)
                }
                ,
                v = function(i, r, a) {
                    var e = [i.clone().setZ(Math.tan(gn.degToRad(30))).normalize(), i.clone().setZ(Math.tan(gn.degToRad(7))).normalize(), i.clone(), i.clone().setZ(-Math.tan(gn.degToRad(5))).normalize()]
                      , t = e.length
                      , e = e.map(function(e, t) {
                        var n = f(r, e, a);
                        return n && n.distance ? e.dot(i) * n.distance : 50
                    });
                    return e.sort(function(e, t) {
                        return t - e
                    }),
                    e[Math.floor(t / 2 - .5)]
                }
                ,
                r = function(i, e) {
                    function r(e, t) {
                        return (2 * h + 2) * (t = null == t ? p : t) + e + 2
                    }
                    var t, a, o = i.floorPosition.z;
                    null != i.ceilZ ? a = i.ceilZ : (d = (new ni).makeRotationX(gn.degToRad(40)),
                    t = new Cn(0,0,1).applyMatrix4(d),
                    c = (new ni).makeRotationZ(2 * Math.PI / 3),
                    d = (new ni).makeRotationZ(2 * -Math.PI / 3),
                    c = t.clone().applyMatrix4(c),
                    d = t.clone().applyMatrix4(d),
                    (c = [t, c, d].map(function(e) {
                        e = f(i, e);
                        return e ? e.location.z : i.position.z + 50
                    })).sort(function(e, t) {
                        return t - e
                    }),
                    a = c[0],
                    d = i.position.z + 1,
                    a = Math.max(d, a),
                    i.ceilZ = a),
                    [a, o].forEach(function(e) {
                        g.push(i.position.clone().setZ(e))
                    });
                    for (var n = Math.PI / (h - 1), s = [], l = 0; l < h; l++)
                        s.push(m(Math.PI / 2 - l * n, e));
                    var u = [];
                    s.forEach(function(t, e) {
                        var n = v(t, i);
                        0 != e && e != h - 1 || u.push(n),
                        t.multiplyScalar(n),
                        [a, o].forEach(function(e) {
                            g.push(i.position.clone().setZ(e).add(t))
                        }),
                        0 != e && (y.push([r(e = 2 * e), r(e - 1), r(e - 2)], [r(e), r(1 + e), r(e - 1)]),
                        y.push([r(e), r(e - 2), r(-2)]),
                        y.push([r(-1), r(e - 1), r(1 + e)]))
                    });
                    var c = (p + 1) % 2
                      , d = 4 * h + 4;
                    return y.push([r(0), r(1), d + 2 * p], [d + 2 * p, r(1), d + 2 * p + 1], [r(2 * h - 2), d + 2 * c + 1, r(2 * h - 1)], [r(2 * h - 2), d + 2 * c, d + 2 * c + 1]),
                    y.push([r(0), d + 2 * c, r(2 * h - 2)], [r(0), d + 2 * p, d + 2 * c]),
                    y.push([r(2 * h - 1), d + 2 * c + 1, r(1)], [d + 2 * c + 1, d + 2 * p + 1, r(1)]),
                    p++,
                    u
                }
                ,
                g = [],
                y = [],
                n = (new Cn).subVectors(e.position, t.position).setZ(0).normalize(),
                i = r(e, n),
                r = r(t, n.negate()),
                c = (e.ceilZ + t.ceilZ) / 2,
                d = (e.floorPosition.z + t.floorPosition.z) / 2,
                i[0],
                r[1],
                i[1],
                r[0],
                w = [Math.min(i[0], r[1]), Math.min(i[1], r[0])],
                b = (new Cn).addVectors(e.position, t.position).multiplyScalar(.5),
                r = [m(-Math.PI / 2, n), m(Math.PI / 2, n)],
                e.pointcloud.hasDepthTex && e.pointcloud.hasDepthTex ? (a = [e, t],
                o = [n.negate(), n],
                s = [[-1, 1], [1, -1]],
                l = (new yn).subVectors(e.position, t.position).length(),
                u = [gn.degToRad(45), gn.degToRad(60)],
                r.forEach(function(t, i) {
                    var e, r = [];
                    a.forEach(function(n, e) {
                        [m(s[i][e] * u[0], o[e]), m(s[i][e] * u[1], o[e])].forEach(function(e, t) {
                            e = v(e, n);
                            e * Math.cos(u[t]) < l && (t = e * Math.sin(u[t]),
                            r.push(t))
                        })
                    }),
                    r.length ? (r.sort(function(e, t) {
                        return t - e
                    }),
                    e = r[0],
                    console.log("disToSides", i, r)) : e = w[i],
                    t.multiplyScalar(e),
                    [c, d].forEach(function(e) {
                        g.push(b.clone().setZ(e).add(t))
                    })
                })) : r.forEach(function(t, e) {
                    var n = v(t, null, b);
                    t.multiplyScalar(Math.max(n, w[e])),
                    [c, d].forEach(function(e) {
                        g.push(b.clone().setZ(e).add(t))
                    })
                }),
                r = Cf.createGeometry(g, y),
                this.cube.geometry = r,
                this.cube.scale.set(1, 1, 1),
                this.cube.position.set(0, 0, 0)) : (this.cube.geometry = new Wr(1,1,1,1),
                function(e, t) {
                    t = t || e.getSize(new Cn);
                    e = e.getCenter(new Cn);
                    t.max(new Cn(1,1,1)),
                    x.cube.scale.copy(t),
                    x.cube.position.copy(e)
                }(e.pointcloud.bound)))
            }
        }, {
            key: "updateCube2",
            value: function(n, i) {
                var r = this;
                if (!("showPanos" != Potree.settings.displayMode || n == i || this.cubePanos.includes(n) && this.cubePanos.includes(i))) {
                    this.cubePanos = [n, i];
                    var s, l, u, c, a, o, d, e = function(e, t) {
                        t = t || e.getSize(new Cn);
                        e = e.getCenter(new Cn);
                        t.max(new Cn(1,1,1)),
                        r.cube.geometry = new Wr(1,1,1,1),
                        r.cube.scale.copy(t),
                        r.cube.position.copy(e)
                    };
                    //add----------
                    let getPanoBound = (pano)=>{//因漫游点可能在点云外部，如室外平地，所以需要union进漫游点
                        let panoBound = new THREE.Box3;
                        panoBound.expandByPoint(pano.position);
                        panoBound.expandByVector(new Cn(10,10,10));//give pano a margin
                        return pano.pointcloud.bound.clone().union(panoBound)
                    };
                    //-------------        
                    
                    
                    if (this.cube.geometry.dispose(),
                    i) {
                        if (n.pointcloud != i.pointcloud)
                            if (100 < n.position.distanceTo(i.position)) {
                                //var t = n.pointcloud.bound.clone().union(i.pointcloud.bound)
                                var t = getPanoBound(n).union(getPanoBound(i)) 
                                  , h = t.getSize(new Cn)
                                  , p = Math.max(h.x, h.y, h.z);
                                return h.set(p, p, p),
                                e(t, h)
                            }
                        var f = 2 * (n.pointcloud.hasDepthTex && n.pointcloud.hasDepthTex ? 6 : A.isMobile() ? 2 : 3)
                          , m = function(e, t, n) {
                            return e && e.pointcloud.hasDepthTex ? r.depthSampler.sample({
                                dir: t
                            }, e, !0) : (n = n || e.position,
                            viewer.inputHandler.getIntersect(viewer.inputHandler.hoverViewport, !0, null, null, !0, {
                                point: n.clone().add(t),
                                cameraPos: n
                            }))
                        }
                          , v = function(e, t) {
                            e = (new ni).makeRotationZ(e);
                            return t.clone().applyMatrix4(e)
                        }
                          , g = function(i, r, a) {
                            var e = [i.clone().setZ(Math.tan(gn.degToRad(30))).normalize(), i.clone().setZ(Math.tan(gn.degToRad(7))).normalize(), i.clone(), i.clone().setZ(-Math.tan(gn.degToRad(5))).normalize()]
                              , t = e.length
                              , e = e.map(function(e, t) {
                                var n = m(r, e, a);
                                return n && n.distance ? e.dot(i) * n.distance : 50
                            });
                            return e.sort(function(e, t) {
                                return t - e
                            }),
                            e[Math.floor(t / 2 - .5)]
                        }
                          , y = []
                          , t = function(i, e) {
                            var t, n, r, a, o = i.floorPosition.z;
                            null != i.ceilZ ? r = i.ceilZ : (a = (new ni).makeRotationX(gn.degToRad(40)),
                            t = new Cn(0,0,1).applyMatrix4(a),
                            n = (new ni).makeRotationZ(2 * Math.PI / 3),
                            a = (new ni).makeRotationZ(2 * -Math.PI / 3),
                            n = t.clone().applyMatrix4(n),
                            a = t.clone().applyMatrix4(a),
                            (a = [t, n, a].map(function(e) {
                                e = m(i, e);
                                return e ? e.location.z : i.position.z + 50
                            })).sort(function(e, t) {
                                return t - e
                            }),
                            r = a[0],
                            a = i.position.z + 1,
                            r = Math.max(a, r),
                            i.ceilZ = r),
                            [r, o].forEach(function(e) {
                                w.push(i.position.clone().setZ(e))
                            });
                            for (var s = Math.PI / (f - 1), l = [], u = 0; u < f; u++)
                                l.push(v(Math.PI / 2 - u * s, e));
                            l.forEach(function(t, e) {
                                var n = g(t, i);
                                t.multiplyScalar(n),
                                [r, o].forEach(function(e) {
                                    w.push(i.position.clone().setZ(e).add(t))
                                })
                            })
                        }
                          , w = []
                          , b = []
                          , h = (new Cn).subVectors(n.position, i.position).setZ(0).normalize();
                        t(n, h),
                        t(i, h.clone().negate()),
                        a = (n.ceilZ + i.ceilZ) / 2,
                        o = (n.floorPosition.z + i.floorPosition.z) / 2,
                        d = (new Cn).addVectors(n.position, i.position).multiplyScalar(.5),
                        n.pointcloud.hasDepthTex && n.pointcloud.hasDepthTex ? (s = [n, i],
                        l = [h.clone().negate(), h],
                        u = (new yn).subVectors(n.position, i.position).length(),
                        c = [gn.degToRad(40), gn.degToRad(70)],
                        [[-1, 1], [1, -1]].forEach(function(t, e) {
                            var a = []
                              , o = 0 == e ? n : i;
                            s.forEach(function(r, e) {
                                [v(t[e] * c[0], l[e]), v(t[e] * c[1], l[e])].forEach(function(e, t) {
                                    var n = g(e, r)
                                      , i = n * Math.cos(c[t]);
                                    i < u && (t = n * Math.sin(c[t]),
                                    r != o && (i = u - i),
                                    e.multiplyScalar(n),
                                    a.push({
                                        disToSide: t,
                                        disToPano2d: i,
                                        pano: r,
                                        dir_: e
                                    }))
                                })
                            }),
                            y[e] = a.length,
                            a.length && (a.sort(function(e, t) {
                                return e.disToPano2d - t.disToPano2d
                            }),
                            a.forEach(function(t) {
                                var e = t.disToPano2d / u
                                  , e = o == n ? 1 - e : e;
                                [n.ceilZ * e + i.ceilZ * (1 - e), n.floorPosition.z * e + i.floorPosition.z * (1 - e)].forEach(function(e) {
                                    w.push(t.pano.position.clone().setZ(e).add(t.dir_))
                                })
                            }))
                        })) : (y = [1, 1],
                        [v(Math.PI / 2, h), v(-Math.PI / 2, h)].forEach(function(t, e) {
                            var n = g(t, null, d);
                            t.multiplyScalar(n),
                            [a, o].forEach(function(e) {
                                w.push(d.clone().setZ(e).add(t))
                            })
                        })),
                        [a, o].forEach(function(e) {
                            w.push(d.clone().setZ(e))
                        }),
                        function() {
                            for (var i = function(e, t, n) {
                                return 2 + (2 * f + 2) * n + 2 * e + ("top" == t ? 0 : 1)
                            }, e = function(e, t, n) {
                                return 1 == n && (e += y[0]),
                                i(e, t, 2) - 2
                            }, t = function(e, t) {
                                return i(-1, e, t)
                            }, n = w.length - 2, r = w.length - 1, a = 0; a < 2; a++) {
                                for (var o = 1; o < f; o++)
                                    b.push([i(o, "top", a), i(o - 1, "btm", a), i(o - 1, "top", a)], [i(o, "top", a), i(o, "btm", a), i(o - 1, "btm", a)]),
                                    b.push([i(o, "top", a), i(o - 1, "top", a), t("top", a)]),
                                    b.push([i(o, "btm", a), i(o - 1, "btm", a), t("btm", a)]);
                                for (var s = (a + 1) % 2, l = 0; l <= y[a]; l++) {
                                    var u = 0 == l ? i(0, "top", a) : e(l - 1, "top", a)
                                      , c = l == y[a] ? i(f - 1, "top", s) : e(l, "top", a)
                                      , d = 0 == l ? i(0, "btm", a) : e(l - 1, "btm", a)
                                      , h = l == y[a] ? i(f - 1, "btm", s) : e(l, "btm", a);
                                    b.push([u, d, h], [u, h, c]),
                                    b.push([u, n, c], [d, r, h]),
                                    0 == a && (0 == l && b.push([u, i(f - 1, "top", a), n], [d, i(f - 1, "btm", a), r]),
                                    l == y[a] && b.push([c, i(0, "top", s), n], [h, i(0, "btm", s), r]))
                                }
                            }
                        }();
                        h = Cf.createGeometry(w, b);
                        this.cube.geometry = h,
                        this.cube.scale.set(1, 1, 1),
                        this.cube.position.set(0, 0, 0)
                    } else
                        e(getPanoBound(n))//e(n.pointcloud.bound)
                }
            }
        }, {
            key: "bump",
            value: function(e) {
                var t, n, i = this;
                this.bumping || this.latestToPano || (n = "showPanos" == Potree.settings.displayMode ? .3 : .2,
                t = this.position.clone(),
                n = (new Cn).addVectors(this.position, e.clone().multiplyScalar(n)),
                viewer.scene.view.setView({
                    position: n,
                    duration: 150,
                    callback: function() {
                        viewer.scene.view.setView({
                            position: t,
                            duration: 750,
                            callback: function() {
                                i.bumping = !1
                            },
                            Easing: "easeInOutSine",
                            cancelFun: function() {
                                i.bumping = !1
                            }
                        }),
                        i.bumping = !0
                    },
                    cancelFun: function() {
                        i.bumping = !1
                    },
                    Easing: "easeInOutSine"
                }),
                this.bumping = !0)
            }
        }, {
            key: "flyToPanoClosestToMouse",
            value: function() {
                if (Potree.settings.ifShowMarker || this.updateClosestPano(viewer.inputHandler.intersectPoint),
                this.closestPano) {
                    var e = this.closestPano;
                    return this.flyToPano({
                        pano: e
                    })
                }
                e = this.viewer.inputHandler.getMouseDirection().direction;
                this.flyDirection(e)
            }
        }, {
            key: "flyDirection",
            value: function(e, t, n) {
                var i = $.Deferred()
                  , n = this.closestPanoInDirection(e, t, n);
                return n ? this.flyToPano({
                    pano: n,
                    callback: i.resolve.bind(i, !0)
                }) : (this.bump(e),
                i.resolve(!1)),
                i.promise()
            }
        }, {
            key: "closestPanoInDirection",
            value: function(e, t, n) {
                return this.rankedPanoInDirection(0, e, t, n)
            }
        }, {
            key: "rankedPanoInDirection",
            value: function(e, t, n, i) {
                var r = this
                  , a = {
                    pano: null,
                    candidates: []
                };
                e = e || 0,
                n = void 0 !== n ? n : .75;
                var o, s, i = i ? "angle" : "direction", n = (viewer.modules.SiteModel.currentFloor,
                viewer.modules.SiteModel.inEntity,
                [c.filters.inPanoDirection(this.position, t, n), c.filters.not(this.currentPano), c.filters.isEnabled()]), t = [c.scoreFunctions.distanceSquared(this.position, 1, !0), c.scoreFunctions[i](this.position, t, !0), function(e) {
                    return r.isNeighbour(r.currentPano, e) ? 200 : 0
                }
                ];
                return viewer.inputHandler.intersectPoint && this.currentPano && (o = this.currentPano.floorPosition,
                s = (new Cn).subVectors(viewer.inputHandler.intersectPoint.location, o).normalize(),
                t.push(function(e) {
                    return 200 * e.floorPosition.clone().sub(o).normalize().dot(s) * 1
                })),
                this.findRankedByScore(e, n, t, a),
                a.pano
            }
        }, {
            key: "findRankedByScore",
            value: function(e, t, n, i) {
                i && (i.candidates = null,
                i.pano = null),
                e = e || 0;
                n = Fm.sortByScore(this.panos, t, n);
                return !n || 0 === n.length || e >= n.length ? null : (i && (i.candidates = n,
                i.pano = n[e].item),
                n[e].item)
            }
        }, {
            key: "isNeighbour",
            value: function(e, t) {
                if (e && t) {
                    var n = this.neighbourMap[e.id];
                    n || (this.neighbourMap[e.id] = n = {});
                    var i = this.neighbourMap[t.id];
                    i || (this.neighbourMap[t.id] = i = {});
                    var r, a, o, s, l, u = n[t.id];
                    return null == u && (u = !0,
                    e.depthTex,
                    e.depthTex || t.depthTex ? (s = e.depthTex ? e : t,
                    a = e.depthTex ? t : e,
                    o = (new Cn).subVectors(a.position, s.position).normalize(),
                    (l = viewer.images360.depthSampler.sample({
                        dir: o
                    }, s, !0)) && l.distance + .1 <= e.position.distanceTo(t.position) && (u = !1)) : (u = !viewer.inputHandler.ifBlockedByIntersect(t.position, .1, !0, e.position),
                    console.log("使用点云判断"),
                    u && (r = (new Cn).subVectors(t.position, e.position).normalize(),
                    a = t.position.distanceTo(e.position),
                    o = Rg.getHFOVForCamera(viewer.mainViewport.camera, !0),
                    s = Math.cos(gn.degToRad(10)),
                    l = Math.cos(gn.degToRad(80)),
                    this.getDirection().dot(r) < gn.clamp(Math.cos(o / 2) * a / 10, l, s) && (u = void 0))),
                    n[t.id] = u,
                    i[e.id] = u),
                    u
                }
            }
        }, {
            key: "updateClosestPano",
            value: function(e, t) {
                
                
                if (e instanceof Qg){
                    n = t ? e : null
                }else {
                    if(this.isAtPano()){
                        return
                     
                    }else {
                        if(this.flying)return; 
                        var filterFuncs = [];
                        e = e && e.location;
                        if(!e)return
                    var e = "pano" != Potree.settings.editType ? [c.sortFunctions.floorDisSquaredToPoint(e)] : [c.sortFunctions.disSquaredToPoint(e)]
                      , n = Fm.find(this.panos, [], e)
                    }
                }
                
                /* if (this.isAtPano()) {
                    if (!(e instanceof Qg))
                        return;
                    n = t ? e : null
                } else {
                    if (this.flying)
                        return;
                    if (!(e = e && e.location))
                        return;
                    var e = "pano" != Potree.settings.editType ? [c.sortFunctions.floorDisSquaredToPoint(e)] : [c.sortFunctions.disSquaredToPoint(e)]
                      , n = Fm.find(this.panos, [], e)
                } */
                n != this.closestPano ? (n && (this.isPanoHover = !0),
                this.closestPanoChanging(this.closestPano, n),
                this.closestPano = n) : this.isPanoHover = !1
            }
        }, {
            key: "closestPanoChanging",
            value: function(e, t) {
                Potree.settings.ifShowMarker && (e && e.hoverOff({
                    byImages360: !0
                }),
                t && t.hoverOn({
                    byImages360: !0
                }))
            }
        }, {
            key: "getTileDirection",
            value: function() {
                var n = viewer.scene.view.direction.clone();
                return {
                    datasetsLocal: viewer.scene.pointclouds.map(function(e) {
                        var t = (new ni).copy(e.rotateMatrix).invert()
                          , t = n.clone().applyMatrix4(t);
                        return {
                            datasetId: e.dataset_id,
                            direction: Up.convertVector.ZupToYup(t)
                        }
                    }),
                    vectorForward: n
                }
            }
        }, {
            key: "update",
            value: function() {
                var e;
                this.viewer;
                this.tileDownloader.started && (e = this.getTileDirection(),
                this.updateTileDownloader(sy, e),
                this.updatePanoRenderer(e)),
                this.updateZoomPano()
            }
        }, {
            key: "updateTileDownloader",
            value: function(e, t) {
                var n = this.nextPano || this.currentPano;
                n && (this.tileDownloader.tilePrioritizer.updateCriteria(n, viewer.scene.view.position.clone(), t, 0 < e.length ? e : null),
                this.tileDownloader.processPriorityQueue = !0)
            }
        }, {
            key: "updatePanoRenderer",
            value: function(e) {
                var t = this.nextPano || this.currentPano;
                t && this.panoRenderer.hasQueuedTiles() && t && this.panoRenderer.updateDirection(e)
            }
        }, {
            key: "checkAndWaitForTiledPanoLoad",
            value: function(e, t, n, i, r, a, o, s) {
                e || console.error("Player.checkAndWaitForTiledPanoLoad() -> Cannot load texture for null pano.");
                var l = this.getTileDirection();
                if (!e.isLoaded(t)) {
                    a && viewer.waitForLoad(e, function() {
                        return e.isLoaded(t)
                    });
                    return e.loadTiledPano(t, l, null, o, s, null).done(function(e, t) {
                        n && n(e, t)
                    }
                    .bind(this)).fail(function(e) {
                        i && i(e)
                    }
                    .bind(this)).progress(function(e, t, n) {
                        r && r(e, t, n)
                    }
                    .bind(this)),
                    !0
                }
            }
        }, {
            key: "fitPanoTowardPoint",
            value: function(t) {
                var i, r = t.point, a = t.target, e = t.require || [], n = t.rank || [], o = (t.force,
                t.getAll), s = t.bestDistance || 0, l = viewer.scene.getActiveCamera();
                a && (i = (new Cn).subVectors(a, r).normalize()),
                t.boundSphere && (s = 1 < l.aspect ? t.boundSphere.radius / gn.degToRad(l.fov / 2) : (l = Rg.getHFOVForCamera(l, !0),
                t.boundSphere.radius / (l / 2)));
                var u = s * s;
                n.push(function(e) {
                    var t = Math.abs(e.position.distanceToSquared(r) - u);
                    if (a) {
                        var n = e.position.distanceToSquared(a)
                          , e = (new Cn).subVectors(a, e.position).normalize()
                          , e = i.dot(e);
                        return (-t - Math.pow(n, 1.5)) / (e + 2)
                    }
                    return -t
                }, function(e) {
                    return e.depthTex && t.checkIntersect && viewer.inputHandler.ifBlockedByIntersect(a, .1, null, null, null, e) ? -1e4 : 0
                });
                n = Fm.sortByScore(this.panos, e, n);
                return o ? n : n && 0 < n.length && n[0].item
            }
        }, {
            key: "zoomBy",
            value: function(e, t) {
                this.zoomTo(this.zoomLevel * e, t)
            }
        }, {
            key: "zoomTo",
            value: function(e, t) {
                var n, i, r, a = Potree.settings.zoom;
                a.enabled && (e = gn.clamp(e, a.min, a.max)) != this.zoomLevel && (this.zoomLevel = e,
                n = viewer.scene.view,
                i = viewer.scene.view.direction,
                r = viewer.inputHandler.getMouseDirection(t).direction,
                viewer.setFOV(Potree.config.view.fov * (1 / this.zoomLevel)),
                a = viewer.inputHandler.getMouseDirection(t).direction,
                n.direction = r,
                e = n.pitch,
                t = n.yaw,
                n.direction = a,
                r = n.pitch,
                a = n.yaw,
                n.direction = i,
                viewer.scene.view.pitch -= r - e,
                viewer.scene.view.yaw -= a - t)
            }
        }, {
            key: "zoomFovTo",
            value: function(e) {
                e = this.baseFov / e;
                this.zoomTo(e)
            }
        }, {
            key: "smoothZoomTo",
            value: function(t) {
                var n = this
                  , i = this.zoomLevel;
                i != t && gv.start(function(e) {
                    n.zoomTo(i * (1 - e) + t * e, !0)
                }, 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, null, null, 0, pv.easeInOutQuad)
            }
        }, {
            key: "updateZoomPano",
            value: function() {
                var e, t, n, i, r = this;
                this.panoRenderer.zoomPanoRenderingDisabled || "showPanos" != Potree.settings.displayMode || (e = this.currentPano) && (i = "2k" == Potree.settings.navTileClass && "4k" == Potree.settings.tileClass ? 1.7 : Potree.settings.zoom.activationThreshold,
                t = this.zoomLevel > i,
                i = !(this.flying && this.nextPano && this.nextPano !== this.currentPano),
                this.tileDownloader.tilePrioritizer.setZoomingActive(i = t && i),
                this.panoRenderer.setZoomingActive(i, e, !0),
                n = function(e, t) {
                    r.panoRenderer.resetRenderStatus(e.id, !1, !0, r.qualityManager.getMaxNavPanoSize()),
                    r.panoRenderer.clearAllQueuedUploadsForPano(e.id),
                    r.panoRenderer.renderPanoTiles(e.id, null, !1, !1),
                    e.setZoomed(t)
                }
                ,
                i && (!e.zoomed || this.qualityManager.zoomLevelResolution && "4k" != this.qualityManager.zoomLevelResolution) ? (e.zoomed || n(e, !0),
                "1k" == Potree.settings.navTileClass && "1k" != Potree.settings.tileClass && this.zoomLevel < 2 ? this.panoRenderer.enableHighQuality(function() {
                    "4k" != Potree.settings.tileClass && n(e, !0)
                }
                .bind(this)) : this.panoRenderer.enableUltraHighQualityMode(function() {
                    this.qualityManager.useUltraHighResolutionPanos && (Potree.settings.zoom.max = Potree.config.ultraHighQualityMaxZoom),
                    n(e, !0)
                }
                .bind(this))) : !t && e.zoomed && n(e, !1),
                i && "1k" == Potree.settings.navTileClass && "4k" == Potree.settings.tileClass && (i = function(e) {
                    r.qualityManager.updateMaximums(),
                    r.panoRenderer.setupZoomRenderTarget()
                }
                ,
                this.qualityManager.zoomLevelResolution = 2 <= this.zoomLevel ? "4k" : 1.1 < this.zoomLevel ? "2k" : "1k",
                this.oldZoomLevel < 2 && 2 <= this.zoomLevel ? (i(),
                n(e, t)) : this.oldZoomLevel <= Potree.settings.zoom.activationThreshold && this.zoomLevel > Potree.settings.zoom.activationThreshold ? i() : 2 < this.oldZoomLevel && this.zoomLevel <= 2 ? (i(),
                n(e, t)) : this.oldZoomLevel > Potree.settings.zoom.activationThreshold && this.zoomLevel <= Potree.settings.zoom.activationThreshold && i(),
                this.oldZoomLevel = this.zoomLevel))
            }
        }, {
            key: "addHighMapCube",
            value: function() {
                if ("4k" == Potree.settings.tileClass && 2048 == this.qualityManager.maxRenderTargetSize) {
                    for (var e = new bu(1,1,1,1), t = new Si, n = 0; n < 6; n++) {
                        for (var i = new Si, r = 0; r < 8; r++)
                            for (var a = 0; a < 8; a++) {
                                var o, s = new Hr(e,new $i({}));
                                s.position.set(r - 3.5, a - 3.5, -4),
                                s.material.opacity = .4,
                                s.material.transparent = !0,
                                Potree.settings.isTest && (o = Math.random(),
                                s.material.color = (new Yi).setHSL(o, .5, .9)),
                                s.visible = !1,
                                i.add(s)
                            }
                        switch (n) {
                        case um.GL_TEXTURE_CUBE_MAP_POSITIVE_X:
                            i.rotation.set(0, Math.PI / 2, 0);
                            break;
                        case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
                            i.rotation.set(0, -Math.PI / 2, 0);
                            break;
                        case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
                            var l = (new Sn).setFromAxisAngle(new Cn(0,1,0), Math.PI)
                              , u = (new Sn).setFromAxisAngle(new Cn(1,0,0), Math.PI / 2);
                            i.quaternion.copy(l).multiply(u);
                            break;
                        case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
                            l = (new Sn).setFromAxisAngle(new Cn(0,1,0), Math.PI),
                            u = (new Sn).setFromAxisAngle(new Cn(1,0,0), -Math.PI / 2);
                            i.quaternion.copy(l).multiply(u);
                            break;
                        case um.GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
                            i.rotation.set(0, Math.PI, 0);
                            break;
                        case um.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
                            i.rotation.set(0, 0, 0)
                        }
                        i.scale.set(1, -1, 1),
                        t.add(i)
                    }
                    t.name = "highMapCube",
                    this.highMapCube = t,
                    viewer.scene.scene.add(t),
                    this.highMapCube.visible = !1,
                    viewer.setObjectLayers(this.highMapCube, "sceneObjects")
                }
            }
        }, {
            key: "isHighMapLoaded",
            value: function(e, t, n) {
                return !!this.highMapCube.children[e].children[8 * t + n].material.map
            }
        }, {
            key: "updateHighMap",
            value: function(e, t, n, i) {
                i = this.highMapCube.children[t].children[8 * n + i];
                i.material.map = e,
                i.material.opacity = 1,
                i.material.transparent = !1,
                i.visible = !0,
                i.material.needsUpdate = !0
            }
        }, {
            key: "resetHighMap",
            value: function() {
                this.highMapCube && (this.highMapCube.children.forEach(function(e) {
                    return e.children.forEach(function(e) {
                        var t;
                        e.material.map && (e.material.map.dispose(),
                        e.material.map.loaded = !1,
                        e.material.map.version = 0,
                        t = viewer.renderer.properties.get(e.material.map),
                        viewer.renderer.getContext().deleteTexture(t.__webglTexture),
                        e.material.map = null,
                        e.material.needsUpdate = !0,
                        e.visible = !1)
                    })
                }),
                this.highMapCube.visible = !1)
            }
        }, {
            key: "setHighMap",
            value: function(e) {
                this.highMapCube && (this.highMapCube.position.copy(e.position),
                this.highMapCube.quaternion.copy(Up.convertQuaternion.YupToZup(e.quaternion4dkk)),
                e = (new Sn).setFromRotationMatrix(e.pointcloud.rotateMatrix),
                this.highMapCube.quaternion.premultiply(e))
            }
        }, {
            key: "showHighMap",
            value: function() {
                this.highMapCube && (this.highMapCube.visible = !0)
            }
        }, {
            key: "hideHighMap",
            value: function() {
                this.highMapCube && (this.highMapCube.visible = !1)
            }
        }, {
            key: "addPanoData",
            value: function(e, n) {
                var i = this;
                0 == (e = e.data ? e.data : e).length && console.error(n + " 没有漫游点"),
                e.forEach(function(e) {
                    e.id = i.panos.length;
                    var t = new Qg(e,i);
                    t.addEventListener("dispose", function(e) {
                        i.closestPano == t && (i.closestPano = null)
                    }),
                    i.panos.push(t),
                    "pano" == Potree.settings.editType && Potree.settings.datasetsPanos[n].panos.push(t)
                })
            }
        }, {
            key: "loadDone",
            value: function() {
                viewer.setObjectLayers(this.node, "sceneObjects"),
                this.panos.forEach(function(e) {
                    e.label && viewer.setObjectLayers(e.label, "bothMapAndScene")
                }),
                this.tileDownloader.setPanoData(this.panos, []);
                var e = new Cn(1,1,1);
                this.bound = Up.getBoundByPoints(this.panos.map(function(e) {
                    return e.position
                }), e),
                viewer.scene.pointclouds.forEach(function(e) {
                    return e.getPanosBound()
                }),
                viewer.scene.pointclouds.some(function(e) {
                    return 0 == e.panos.length
                }) && (viewer.hasNoPanoDataset = !0)
            }
        }, {
            key: "getPano",
            value: function(t) {
                var n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : "id";
                return this.panos.find(function(e) {
                    return e[n] == t
                })
            }
        }]),
        c
    }();
    ly.prototype.checkAndWaitForPanoLoad = (iy = {},
    ry = {},
    ay = {},
    function(n, e, t, i, r, a, o, s) {
        if (ay[n.id] = t,
        function() {
            for (var e in iy)
                if (iy.hasOwnProperty(e) && iy[e])
                    if (performance.now() - ry[e] < 5e3)
                        return !0;
            return !1
        }())
            return !0;
        try {
            return null != a || (a = !0),
            iy[n.id] = this.checkAndWaitForTiledPanoLoad(n, e, function(e, t) {
                setTimeout(function() {
                    iy[n.id] = !1,
                    ay[n.id] && ay[n.id](e, t)
                }, 1)
            }, function(e) {
                setTimeout(function() {
                    iy[n.id] = !1,
                    i && i(e)
                }, 1)
            }, r, a, o, s),
            iy[n.id] && (ry[n.id] = performance.now()),
            iy[n.id]
        } catch (e) {
            throw iy[n.id] = !1,
            ry[n.id] = performance.now() - 5e3,
            e
        }
    }
    ),
    ly.filters = {
        inPanoDirection: function(n, i, r) {
            return function(e) {
                var t = e.floorPosition.clone().sub(n).normalize()
                  , e = e.position.clone().sub(n).normalize();
                return t.dot(i) > r || e.dot(i) > r
            }
        },
        inFloorDirection: function(t, n, i) {
            return function(e) {
                return e.floorPosition.clone().sub(t).setZ(0).normalize().dot(n) > i
            }
        },
        isNotBehindNormal: function(t, n) {
            var i = new Cn;
            return n = n.clone(),
            function(e) {
                return 0 < i.copy(e.position).sub(t).normalize().dot(n)
            }
        },
        isCloseEnoughTo: function(t, n) {
            return function(e) {
                return t.distanceTo(e.floorPosition) < n
            }
        },
        not: function(t) {
            return function(e) {
                return e !== t
            }
        },
        isEnabled: function() {
            return function(e) {
                return e.enabled
            }
        },
        isVisible: function() {
            return function(e) {
                return e.visible
            }
        }
    },
    ly.scoreFunctions = {
        direction: function(t, n, e) {
            return function(e) {
                return 200 * e.position.clone().sub(t).normalize().dot(n)
            }
        },
        distanceSquared: function(t, n, e) {
            return t.position && (t = t.position),
            function(e) {
                e = e.position.clone();
                return -1 * t.distanceToSquared(e) * n
            }
        },
        angle: function(t, n) {
            return function(e) {
                return e.position.clone().sub(t).normalize().angleTo(n) * Potree.config.navigation.angleFactor
            }
        }
    },
    ly.sortFunctions = {
        floorDisSquaredToPoint: function(n) {
            return function(e, t) {
                return e.floorPosition.distanceToSquared(n) - t.floorPosition.distanceToSquared(n)
            }
        },
        disSquaredToPoint: function(n) {
            return function(e, t) {
                return e.position.distanceToSquared(n) - t.position.distanceToSquared(n)
            }
        }
    };
    var uy, cy = T.map.mapHeight + 100, dy = T.map.mapHeight + 105, hy = new _c, py = new ua(1,1), fy = function() {
        y(a, zg);
        var r = w(a);
        function a(e) {
            var t, n, i;
            return O(this, a),
            (t = r.call(this, e, {
                clearColor: Potree.config.mapBG,
                name: "mapViewer"
            })).visible = !0,
            t.initScene(),
            t.mapLayer = new hg(g(t),t.viewports[0]),
            t.scene.add(t.mapLayer.sceneGroup),
            t.mapLayer.sceneGroup.position.setZ(Potree.config.map.mapHeight),
            t.mapRatio = .5,
            t.splitDir = "leftRight",
            viewer.addEventListener("camera_changed", function(e) {
                e.viewport == viewer.mainViewport ? t.updateCursor() : t.updateWhenAtViewer()
            }),
            viewer.reticule.addEventListener("update", function(e) {
                t.attachedToViewer && (t.needRender = !0)
            }),
            viewer.scene.addEventListener("360_images_added", t.addPanos.bind(g(t))),
            viewer.addEventListener("loadPointCloudDone", t.initProjection.bind(g(t))),
            t.addEventListener("global_click", function(e) {
                !e.isTouch && e.button != C.LEFT || t.updateClosestPano(e.intersect)
            }),
            t.addEventListener("add", function(e) {
                t.scene.add(e.object),
                "route" == e.name && (e.object.position.z = dy),
                viewer.setObjectLayers(e.object, "mapObjects")
            }),
            Potree.settings.isOfficial || (e = viewer.renderer.domElement.parentElement,
            (n = $("<input type='button' value='map绑定'></input>")).css({
                position: "absolute",
                right: "80%",
                bottom: "20px",
                zIndex: "10000",
                fontSize: "1em",
                color: "black",
                background: "rgba(255,255,255,0.8)"
            }),
            i = !1,
            n.on("click", function() {
                i = !i,
                t.attachToMainViewer(i, "measure"),
                n.val(i ? "map分离" : "map绑定")
            }),
            e.appendChild(n[0])),
            t
        }
        return h(a, [{
            key: "waitLoadDone",
            value: function(t) {
                var n = this;
                0 == this.mapLayer.loadingInProgress ? t() : this.mapLayer.addEventListener("loadDone", function e() {
                    t(),
                    n.mapLayer.removeEventListener("loadDone", e)
                })
            }
        }, {
            key: "addListener",
            value: function(e) {
                var t = this;
                e.addEventListener("flyToPano", function(e) {
                    e = e.toPano;
                    e.dontMoveMap || t.moveTo(e.pano.position.clone().setZ(Potree.config.map.cameraHeight), void 0, e.duration, e.easeName)
                })
            }
        }, {
            key: "initProjection",
            value: function() {
                this.started = !0,
                this.mapLayer.initProjection()
            }
        }, {
            key: "initScene",
            value: function() {
                var e = this.renderArea.clientWidth
                  , t = this.renderArea.clientHeight;
                this.camera = new ed(-e / 2,e / 2,t / 2,-t / 2,.01,1e4),
                this.camera.zoom = e / 50,
                this.camera.up.set(0, 0, 1),
                this.view = new ng,
                this.view.position.set(0, 0, Potree.config.map.cameraHeight),
                this.view.lookAt(0, 0, 0),
                this.setViewLimit("standard");
                e = new Ig(this.view,this.camera,{
                    left: 0,
                    bottom: 0,
                    width: 1,
                    height: 1,
                    name: "mapViewport"
                });
                e.axis = ["x", "y"],
                e.axisSign = [1, 1],
                e.noPointcloud = !0,
                e.render = this.render.bind(this),
                this.viewports = [e],
                this.controls = new Fg(this,this.viewports[0]),
                this.controls.setEnable(!0),
                this.scene = new gs,
                this.inputHandler = new Og(this,this.scene),
                this.inputHandler.name = "mapInputHandler",
                this.inputHandler.registerInteractiveScene(this.scene),
                this.viewports[0].interactiveScenes = this.inputHandler.interactiveScenes;
                e = new Hr(py,new $i({
                    transparent: !0,
                    opacity: .9,
                    depthTest: !1,
                    map: hy.load(Potree.resourcePath + "/textures/pic_location128.png")
                }));
                e.position.set(0, 0, 0),
                this.cursor = e,
                this.scene.add(e),
                viewer.setObjectLayers(this.scene, "mapObjects")
            }
        }, {
            key: "setViewLimit",
            value: function(e) {
                e = Potree.config.OrthoCameraLimit[e];
                e ? (this.view.limitBound = (new kn).copy(e.posBound),
                this.camera.zoomLimit = $.extend({}, e.zoom)) : (this.view.limitBound = null,
                this.camera.zoomLimit = null)
            }
        }, {
            key: "updateCursor",
            value: function() {
                var e = Up.getScaleForConstantSize({
                    minSize: 80,
                    maxSize: 200,
                    nearBound: 5,
                    farBound: 100,
                    camera: this.camera,
                    position: this.cursor.getWorldPosition(new Cn),
                    resolution: this.viewports[0].resolution
                });
                this.cursor.scale.set(e, e, e),
                this.cursor.position.copy(viewer.mainViewport.camera.position).setZ(0),
                this.cursor.rotation.z = viewer.mainViewport.view.yaw,
                this.needRender = !0
            }
        }, {
            key: "addPanos",
            value: function(e) {
                var i = this
                  , r = new Si;
                uy = {
                    default: new $i({
                        transparent: !0,
                        opacity: .5,
                        map: hy.load(Potree.resourcePath + "/textures/map_marker.png")
                    }),
                    selected: new $i({
                        transparent: !0,
                        opacity: 1,
                        map: hy.load(Potree.resourcePath + "/textures/map_marker.png")
                    })
                },
                e.images.panos.forEach(function(t) {
                    t.mapMarker = new Hr(py,uy.default),
                    t.mapMarker.position.copy(t.position).setZ(0),
                    t.mapMarker.scale.set(1, 1, 1),
                    t.mapMarker.name = "mapMarker",
                    r.add(t.mapMarker);
                    function e(e) {
                        e.byMap || (t.mapMarker.material = uy.selected,
                        e.byMainView || t.dispatchEvent({
                            type: "hoverOn",
                            byMap: !0
                        }),
                        i.needRender = !0)
                    }
                    function n(e) {
                        e.byMap || (t.mapMarker.material = uy.default,
                        e.byMainView || t.dispatchEvent({
                            type: "hoverOff",
                            byMap: !0
                        }),
                        i.needRender = !0)
                    }
                    t.mapMarker.addEventListener("mouseover", e),
                    t.mapMarker.addEventListener("mouseleave", n),
                    t.addEventListener("hoverOn", e),
                    t.addEventListener("hoverOff", n);
                    t.mapMarker.addEventListener("click", function(e) {
                        viewer.images360.flyToPano(t)
                    }),
                    t.addEventListener("isVisible", function(e) {
                        viewer.updateVisible(t.mapMarker, "panoVisible", e.visible),
                        i.needRender = !0
                    }),
                    t.addEventListener("rePos", function(e) {
                        t.mapMarker.position.copy(t.position).setZ(0)
                    })
                }),
                this.scene.add(r),
                r.position.z = cy,
                this.panosGroup = r,
                viewer.setObjectLayers(r, "mapObjects"),
                this.initFitView()
            }
        }, {
            key: "updateClosestPano",
            value: function(t) {
                var e;
                viewer.images360.flying || (t = t && t.orthoIntersect) && (t = t.clone().setZ(0),
                e = [function(e) {
                    return e.position.clone().setZ(0).distanceTo(t) < 20
                }
                , ly.filters.isEnabled(), ly.filters.isVisible()],
                (e = Fm.find(viewer.images360.panos, e, [ly.sortFunctions.floorDisSquaredToPoint(t)])) && e != viewer.images360.currentPano && viewer.images360.flyToPano(e))
            }
        }, {
            key: "fitPanosToViewport",
            value: function() {
                var e = viewer.images360.bound.size.clone().multiplyScalar(1.1);
                e.max(new Cn(4,4,4));
                var t = viewer.images360.bound.center.clone();
                this.moveTo(t, e, 0)
            }
        }, {
            key: "fitToPointcloud",
            value: function(e) {
                var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 400
                  , n = e.bound.getSize(new Cn);
                n.max(new Cn(4,4,4));
                e = e.bound.getCenter(new Cn);
                this.moveTo(e, n, t)
            }
        }, {
            key: "initFitView",
            value: function() {
                this.camera.zoom = 14,
                this.moveTo(viewer.images360.position),
                this.camera.updateProjectionMatrix()
            }
        }, {
            key: "fitToDatasets",
            value: function(e) {
                var t = new kn;
                e.forEach(function(e) {
                    return t.union(e.bound)
                });
                var n = t.getCenter(new Cn)
                  , e = t.getSize(new Cn);
                this.moveTo(n, e, 200)
            }
        }, {
            key: "moveTo",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
                  , i = 3 < arguments.length ? arguments[3] : void 0;
                e = new Cn(e.x,e.y,Potree.config.map.cameraHeight),
                this.view.moveOrthoCamera(this.viewports[0], {
                    endPosition: e,
                    boundSize: t
                }, n, i)
            }
        }, {
            key: "updateWhenAtViewer",
            value: function(e) {
                this.attachedToViewer && (this.started && this.mapLayer.update(),
                this.updateCursor(),
                this.needRender = !0)
            }
        }, {
            key: "update",
            value: function(e, t) {
                (this.visible || this.attachedToViewer) && (this.attachedToViewer ? this.mapLayer.needUpdate && this.updateWhenAtViewer() : (this.updateScreenSize(),
                this.controls.update(e),
                this.view.applyToCamera(this.camera),
                e = this.cameraChanged(),
                this.started && (e || this.mapLayer.needUpdate) && this.mapLayer.update(),
                e && (this.dispatchEvent({
                    type: "camera_changed",
                    camera: this.camera,
                    viewport: this.viewports[0]
                }),
                this.needRender = !0,
                this.updateCursor()),
                this.render()))
            }
        }, {
            key: "attachToMainViewer",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : .5
                  , i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : {};
                if (Potree.settings.isOfficial || (this.renderArea.style.display = e ? "none" : "block"),
                e) {
                    if (this.enabledOld = this.enabled,
                    this.enabled = !0,
                    "dontSet" != n) {
                        if (this.changeSplitScreenDir(i.dir, n),
                        this.attachedToViewer)
                            return void viewer.updateScreenSize({
                                forceUpdateSize: !0
                            });
                        viewer.viewports = [viewer.mainViewport, viewer.mapViewer.viewports[0]]
                    }
                    "measure" == t ? this.inputHandler.registerInteractiveScene(viewer.measuringTool.scene) : "split4Screens" == t && this.inputHandler.registerInteractiveScene(viewer.scene.scene)
                } else {
                    if (!this.attachedToViewer)
                        return;
                    viewer.mainViewport.left = 0,
                    viewer.mainViewport.bottom = 0,
                    viewer.mainViewport.width = 1,
                    viewer.mainViewport.height = 1,
                    this.viewports[0].width = 1,
                    this.viewports[0].bottom = 0,
                    this.viewports[0].height = 1,
                    this.viewports[0].left = 0,
                    this.inputHandler.unregisterInteractiveScene(viewer.measuringTool.scene),
                    this.inputHandler.unregisterInteractiveScene(viewer.scene.scene),
                    viewer.viewports = [viewer.mainViewport],
                    this.updateScreenSize({
                        forceUpdateSize: !0
                    })
                }
                this.attachedToViewer = e,
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                }),
                i.moveToCurrentPos && (i = new yn(10,10),
                this.moveTo(viewer.images360.position.clone(), i, 1e3)),
                this.needRender = !0
            }
        }, {
            key: "changeSplitScreenDir",
            value: function(e, t) {
                e && (this.splitDir = e),
                this.updateSplitSize(t)
            }
        }, {
            key: "updateSplitSize",
            value: function(e) {
                null != e && (this.mapRatio = e),
                "leftRight" == this.splitDir ? (viewer.mainViewport.left = this.mapRatio,
                viewer.mainViewport.width = 1 - this.mapRatio,
                this.viewports[0].width = this.mapRatio,
                viewer.mainViewport.bottom = this.viewports[0].bottom = 0,
                viewer.mainViewport.height = this.viewports[0].height = 1) : "upDown" == this.splitDir && (viewer.mainViewport.bottom = this.mapRatio,
                viewer.mainViewport.height = 1 - this.mapRatio,
                this.viewports[0].height = this.mapRatio,
                viewer.mainViewport.left = this.viewports[0].left = 0,
                viewer.mainViewport.width = this.viewports[0].width = 1),
                this.attachedToViewer && viewer.updateScreenSize({
                    forceUpdateSize: !0
                })
            }
        }, {
            key: "render",
            value: function() {
                var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                (this.visible || this.attachedToViewer) && (this.needRender || t.force) && (e = t.renderer || this.renderer,
                t.target && e.setRenderTarget(t.target),
                (t.clear ? t : e).clear(),
                this.attachedToViewer || viewer.dispatchEvent({
                    type: "render.begin",
                    viewer: this,
                    viewport: this.viewports[0],
                    params: t
                }),
                viewer.setCameraLayers(this.camera, ["map", "mapObjects", "bothMapAndScene"]),
                this.mapGradientBG && (viewer.scene.cameraBG.layers.set(Potree.config.renderLayers.bg),
                e.render(viewer.scene.scene, viewer.scene.cameraBG)),
                e.render(this.scene, this.camera),
                e.render(viewer.scene.scene, this.camera),
                t.renderOverlay && t.renderOverlay($.extend({}, t, {
                    isMap: !0
                })),
                e.setRenderTarget(null),
                this.needRender = !1)
            }
        }]),
        a
    }(), my = function() {
        function e() {
            O(this, e)
        }
        return h(e, null, [{
            key: "toString",
            value: function(e) {
                var t, n = "", i = Object.keys(e.data).filter(function(e) {
                    return "normal" !== e
                }).sort(function(e, t) {
                    return "position" === e ? -1 : "position" === t ? 1 : "rgba" === e ? -1 : "rgba" === t ? 1 : void 0
                }), r = [], a = ue(i);
                try {
                    for (a.s(); !(t = a.n()).done; ) {
                        var o = t.value
                          , s = e.data[o].length / e.numPoints;
                        if ("position" === o)
                            r = r.concat(["x", "y", "z"]);
                        else if ("rgba" === o)
                            r = r.concat(["r", "g", "b", "a"]);
                        else if (1 < s)
                            for (var l = 0; l < s; l++)
                                r.push("".concat(o, "_").concat(l));
                        else
                            r.push(o)
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
                for (var n = r.join(", ") + "\n", u = 0; u < e.numPoints; u++) {
                    var c, d = [], h = ue(i);
                    try {
                        for (h.s(); !(c = h.n()).done; ) {
                            var p = c.value
                              , f = e.data[p].length / e.numPoints
                              , m = e.data[p].subarray(f * u, f * u + f).join(", ");
                            d.push(m)
                        }
                    } catch (e) {
                        h.e(e)
                    } finally {
                        h.f()
                    }
                    n += d.join(", ") + "\n"
                }
                return n
            }
        }]),
        e
    }(), vy = function() {
        function e() {
            O(this, e)
        }
        return h(e, null, [{
            key: "toLAS",
            value: function(e) {
                function t(e, t, n) {
                    for (var i = new Uint8Array(n), r = 0; r < e.length; r++) {
                        var a = e.charCodeAt(r);
                        i[t + r] = a
                    }
                }
                var n = e.boundingBox
                  , i = n.min.clone()
                  , r = n.min.distanceTo(n.max)
                  , a = new Cn(.001,.001,.001)
                  , a = 1e6 < r ? new Cn(.01,.01,.01) : new Cn(.001,.001,.001)
                  , o = new ArrayBuffer(227 + 28 * e.numPoints)
                  , s = new DataView(o)
                  , r = new Uint8Array(o);
                t("LASF", 0, o),
                r[24] = 1,
                r[25] = 2,
                t("Potree 1.7", 58, o),
                s.setUint16(94, 227, !0),
                s.setUint32(96, 227, !0),
                r[104] = 2,
                s.setUint16(105, 28, !0),
                s.setUint32(107, e.numPoints, !0),
                s.setFloat64(131, a.x, !0),
                s.setFloat64(139, a.y, !0),
                s.setFloat64(147, a.z, !0),
                s.setFloat64(155, i.x, !0),
                s.setFloat64(163, i.y, !0),
                s.setFloat64(171, i.z, !0),
                s.setFloat64(179, n.max.x, !0),
                s.setFloat64(187, n.min.x, !0),
                s.setFloat64(195, n.max.y, !0),
                s.setFloat64(203, n.min.y, !0),
                s.setFloat64(211, n.max.z, !0),
                s.setFloat64(219, n.min.z, !0);
                for (var l = 227, u = 0; u < e.numPoints; u++) {
                    var c = e.data.position[3 * u + 0]
                      , d = e.data.position[3 * u + 1]
                      , h = e.data.position[3 * u + 2]
                      , c = parseInt((c - i.x) / a.x)
                      , d = parseInt((d - i.y) / a.y)
                      , h = parseInt((h - i.z) / a.z);
                    s.setUint32(l + 0, c, !0),
                    s.setUint32(l + 4, d, !0),
                    s.setUint32(l + 8, h, !0),
                    e.data.intensity && s.setUint16(l + 12, e.data.intensity[u], !0);
                    h = 0;
                    e.data.returnNumber && (h += e.data.returnNumber[u]),
                    e.data.numberOfReturns && (h += e.data.numberOfReturns[u] << 3),
                    s.setUint8(l + 14, h),
                    e.data.classification && s.setUint8(l + 15, e.data.classification[u]),
                    e.data.pointSourceID && s.setUint16(l + 18, e.data.pointSourceID[u]),
                    e.data.rgba && (h = e.data.rgba,
                    s.setUint16(l + 20, 255 * h[4 * u + 0], !0),
                    s.setUint16(l + 22, 255 * h[4 * u + 1], !0),
                    s.setUint16(l + 24, 255 * h[4 * u + 2], !0)),
                    l += 28
                }
                return o
            }
        }]),
        e
    }();
    function gy(e, t) {
        for (var n = 0, i = Object.keys(t.uniforms); n < i.length; n++) {
            var r = i[n];
            t.uniforms[r].value = e.uniforms[r].value
        }
        t.gradientTexture = e.gradientTexture,
        t.visibleNodesTexture = e.visibleNodesTexture,
        t.classificationTexture = e.classificationTexture,
        t.matcapTexture = e.matcapTexture,
        t.activeAttributeName = e.activeAttributeName,
        t.ranges = e.ranges
    }
    var yy = function() {
        function n(e, t) {
            O(this, n),
            this.geometry = e,
            this.material = t,
            this.sceneNode = new gl(e,t),
            this.geometryNode = {
                estimatedSpacing: 1,
                geometry: e
            }
        }
        return h(n, [{
            key: "getLevel",
            value: function() {
                return 0
            }
        }]),
        n
    }()
      , wy = function() {
        y(i, xm);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).trueOctree = e,
            t.pcoGeometry = e.pcoGeometry,
            t.points = [],
            t.visibleNodes = [],
            t.material = new Rm,
            gy(t.trueOctree.material, t.material),
            t.material.pointSizeType = am.FIXED,
            t.batchSize = 1e5,
            t.currentBatch = null,
            t
        }
        return h(i, [{
            key: "getAttribute",
            value: function(e) {
                return this.trueOctree.getAttribute(e)
            }
        }, {
            key: "dispose",
            value: function() {
                var e, t = ue(this.visibleNodes);
                try {
                    for (t.s(); !(e = t.n()).done; )
                        e.value.geometry.dispose()
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                this.visibleNodes = [],
                this.currentBatch = null,
                this.points = []
            }
        }, {
            key: "addPoints",
            value: function(e) {
                null === this.currentBatch && (this.currentBatch = this.createNewBatch(e)),
                this.points.push(e);
                for (var t = {
                    start: this.currentBatch.geometry.drawRange.count,
                    count: 0
                }, n = new kn, i = new Cn, r = 0; r < e.numPoints; r++) {
                    if (t.start + t.count >= this.batchSize) {
                        for (var a = 0, o = Object.keys(this.currentBatch.geometry.attributes); a < o.length; a++) {
                            var s = o[a]
                              , s = this.currentBatch.geometry.attributes[s];
                            s.updateRange.offset = t.start,
                            s.updateRange.count = t.count,
                            s.needsUpdate = !0
                        }
                        this.currentBatch.geometry.computeBoundingBox(),
                        this.currentBatch.geometry.computeBoundingSphere(),
                        this.currentBatch = this.createNewBatch(e),
                        t = {
                            start: 0,
                            count: 0
                        }
                    }
                    i.set(e.data.position[3 * r + 0] + this.trueOctree.position.x, e.data.position[3 * r + 1] + this.trueOctree.position.y, e.data.position[3 * r + 2] + this.trueOctree.position.z);
                    var l = e.data.mileage[r]
                      , u = i.z;
                    n.expandByPoint(new Cn(l,0,u));
                    for (var c = t.start + t.count, d = this.currentBatch.geometry, h = 0, p = Object.keys(e.data); h < p.length; h++)
                        for (var f = p[h], m = e.data[f], v = d.attributes[f], g = v.itemSize, y = 0; y < g; y++)
                            v.array[g * c + y] = m[g * r + y];
                    var w = d.attributes.position;
                    w.array[3 * c + 0] = l,
                    w.array[3 * c + 1] = 0,
                    w.array[3 * c + 2] = u,
                    t.count++,
                    this.currentBatch.geometry.drawRange.count++
                }
                for (var b = 0, x = Object.keys(this.currentBatch.geometry.attributes); b < x.length; b++) {
                    var E = x[b]
                      , E = this.currentBatch.geometry.attributes[E];
                    E.updateRange.offset = t.start,
                    E.updateRange.count = t.count,
                    E.needsUpdate = !0
                }
                e.projectedBox = n,
                this.projectedBox = this.points.reduce(function(e, t) {
                    return e.union(t.projectedBox)
                }, new kn)
            }
        }, {
            key: "createNewBatch",
            value: function(e) {
                for (var t = new Mr, n = 0, i = Object.keys(e.data); n < i.length; n++) {
                    var r = i[n]
                      , a = e.data[r]
                      , o = a.length / e.numPoints
                      , s = a.constructor
                      , a = !1;
                    this.trueOctree.root.sceneNode && this.trueOctree.root.sceneNode.geometry.attributes[r] && (a = this.trueOctree.root.sceneNode.geometry.attributes[r].normalized);
                    a = new nr(new s(o * this.batchSize),o,a);
                    a.potree = {
                        range: [0, 1]
                    },
                    t.setAttribute(r, a)
                }
                t.drawRange.start = 0,
                t.drawRange.count = 0;
                var l = new yy(t,this.material);
                return this.visibleNodes.push(l),
                l
            }
        }, {
            key: "computeVisibilityTextureData",
            value: function() {
                for (var e = new Uint8Array(4 * this.visibleNodes.length), t = new Map, n = 0; n < this.visibleNodes.length; n++)
                    t[this.visibleNodes[n]] = n;
                return {
                    data: e,
                    offsets: t
                }
            }
        }]),
        i
    }()
      , by = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            O(this, i),
            (t = n.call(this)).viewer = e,
            t.elRoot = $("#profile_window"),
            t.renderArea = t.elRoot.find("#profileCanvasContainer"),
            t.svg = d3.select("svg#profileSVG"),
            t.mouseIsDown = !1,
            t.projectedBox = new kn,
            t.pointclouds = new Map,
            t.numPoints = 0,
            t.lastAddPointsTimestamp = void 0,
            t.mouse = new yn(0,0),
            t.scale = new Cn(1,1,1),
            t.autoFitEnabled = !0,
            t.autoFit = !1;
            e = "".concat(le.resourcePath, "/icons/arrow_cw.svg");
            $("#potree_profile_rotate_cw").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/arrow_ccw.svg");
            $("#potree_profile_rotate_ccw").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/arrow_up.svg");
            $("#potree_profile_move_forward").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/arrow_down.svg");
            $("#potree_profile_move_backward").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/file_csv_2d.svg");
            $("#potree_download_csv_icon").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/file_las_3d.svg");
            $("#potree_download_las_icon").attr("src", e);
            e = "".concat(le.resourcePath, "/icons/close.svg");
            return $("#closeProfileContainer").attr("src", e),
            t.initTHREE(),
            t.initSVG(),
            t.initListeners(),
            t.pRenderer = new Zm(t.renderer),
            t.elRoot.i18n(),
            t
        }
        return h(i, [{
            key: "initListeners",
            value: function() {
                var g = this;
                $(window).resize(function() {
                    g.enabled && g.render()
                }),
                this.renderArea.mousedown(function(e) {
                    g.mouseIsDown = !0
                }),
                this.renderArea.mouseup(function(e) {
                    g.mouseIsDown = !1
                });
                function y() {
                    var e = g.viewer.scene.getActiveCamera()
                      , t = g.viewer.renderer.domElement
                      , n = g.viewerPickSphere.position.distanceTo(e.position)
                      , t = 10 / Jf.projectedRadius(1, e, n, t.clientWidth, t.clientHeight);
                    g.viewerPickSphere.scale.set(t, t, t)
                }
                this.renderArea.mousemove(function(e) {
                    if (0 !== g.pointclouds.size) {
                        var t = g.renderArea[0].getBoundingClientRect()
                          , n = e.clientX - t.left
                          , t = e.clientY - t.top
                          , n = new yn(n,t);
                        if (g.mouseIsDown) {
                            g.autoFit = !1,
                            g.lastDrag = (new Date).getTime();
                            var i = [g.scaleX.invert(g.mouse.x), g.scaleY.invert(g.mouse.y)]
                              , r = [g.scaleX.invert(n.x), g.scaleY.invert(n.y)];
                            g.camera.position.x -= r[0] - i[0],
                            g.camera.position.z -= r[1] - i[1],
                            g.render()
                        } else if (0 < g.pointclouds.size) {
                            var t = Math.abs(g.scaleX.invert(0) - g.scaleX.invert(40))
                              , r = g.scaleX.invert(n.x)
                              , i = g.scaleY.invert(n.y)
                              , a = g.selectPoint(r, i, t);
                            if (a) {
                                var o = a.point
                                  , s = new Float64Array([o.position[0] + a.pointcloud.position.x, o.position[1] + a.pointcloud.position.y, o.position[2] + a.pointcloud.position.z]);
                                g.elRoot.find("#profileSelectionProperties").fadeIn(200),
                                g.pickSphere.visible = !0,
                                g.pickSphere.scale.set(.5 * t, .5 * t, .5 * t),
                                g.pickSphere.position.set(o.mileage, 0, s[2]),
                                (l = g.viewerPickSphere.position).set.apply(l, Q(s)),
                                g.viewer.scene.scene.children.includes(g.viewerPickSphere) || (g.viewer.scene.scene.add(g.viewerPickSphere),
                                g.viewer.hasEventListener("update", y) || g.viewer.addEventListener("update", y));
                                for (var l = g.elRoot.find("#profileSelectionProperties"), u = "<table>", c = 0, d = Object.keys(o); c < d.length; c++) {
                                    var h, p = d[c], f = o[p], m = a.pointcloud.getAttribute(p), v = function(e) {
                                        return e
                                    };
                                    m && 4 < m.type.size && function() {
                                        var e = m.initialRange
                                          , t = 1 / (e[1] - e[0])
                                          , n = e[0];
                                        v = function(e) {
                                            return e / t + n
                                        }
                                    }(),
                                    "position" === p ? (h = Q(s).map(function(e) {
                                        return Jf.addCommas(e.toFixed(3))
                                    }),
                                    u += "\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>x</td>\n\t\t\t\t\t\t\t\t\t<td>".concat(h[0], "</td>\n\t\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>y</td>\n\t\t\t\t\t\t\t\t\t<td>").concat(h[1], "</td>\n\t\t\t\t\t\t\t\t</tr>\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>z</td>\n\t\t\t\t\t\t\t\t\t<td>").concat(h[2], "</td>\n\t\t\t\t\t\t\t\t</tr>")) : "rgba" === p ? u += "\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>".concat(p, "</td>\n\t\t\t\t\t\t\t\t\t<td>").concat(f.join(", "), "</td>\n\t\t\t\t\t\t\t\t</tr>") : "normal" !== p && (u += "mileage" === p ? "\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>".concat(p, "</td>\n\t\t\t\t\t\t\t\t\t<td>").concat(f.toFixed(3), "</td>\n\t\t\t\t\t\t\t\t</tr>") : "\n\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t<td>".concat(p, "</td>\n\t\t\t\t\t\t\t\t\t<td>").concat(v(f), "</td>\n\t\t\t\t\t\t\t\t</tr>"))
                                }
                                l.html(u += "</table>"),
                                g.selectedPoint = o
                            } else {
                                g.viewer.scene.scene.add(g.viewerPickSphere);
                                l = g.viewer.scene.scene.children.indexOf(g.viewerPickSphere);
                                0 <= l && g.viewer.scene.scene.children.splice(l, 1),
                                g.viewer.removeEventListener("update", y)
                            }
                            g.render()
                        }
                        g.mouse.copy(n)
                    }
                });
                function e(e) {
                    g.autoFit = !1;
                    var t = 0;
                    void 0 !== e.wheelDelta ? t = e.wheelDelta : void 0 !== e.detail && (t = -e.detail),
                    e = Math.sign(t),
                    t = [g.scaleX.invert(g.mouse.x), g.scaleY.invert(g.mouse.y)],
                    0 < e ? g.scale.multiplyScalar(1.1) : g.scale.multiplyScalar(100 / 110),
                    g.updateScales(),
                    e = [g.scaleX.invert(g.mouse.x), g.scaleY.invert(g.mouse.y)],
                    g.camera.position.x -= e[0] - t[0],
                    g.camera.position.z -= e[1] - t[1],
                    g.render(),
                    g.updateScales()
                }
                $(this.renderArea)[0].addEventListener("mousewheel", e, !1),
                $(this.renderArea)[0].addEventListener("DOMMouseScroll", e, !1),
                $("#closeProfileContainer").click(function() {
                    g.hide()
                });
                function t() {
                    var e, t = new Gm, n = ue(g.pointclouds);
                    try {
                        for (n.s(); !(e = n.n()).done; ) {
                            var i, r = N(e.value, 2), a = r[0], o = ue(r[1].points);
                            try {
                                for (o.s(); !(i = o.n()).done; ) {
                                    for (var s = i.value, l = s.data.position, u = new Float32Array(l), c = 0; c < s.numPoints; c++)
                                        u[3 * c + 2] += a.position.z;
                                    s.data.position = u,
                                    t.add(s),
                                    s.data.position = l
                                }
                            } catch (e) {
                                o.e(e)
                            } finally {
                                o.f()
                            }
                        }
                    } catch (e) {
                        n.e(e)
                    } finally {
                        n.f()
                    }
                    return t
                }
                $("#potree_download_csv_icon").click(function() {
                    var e = t()
                      , e = my.toString(e)
                      , e = new Blob([e],{
                        type: "text/string"
                    });
                    $("#potree_download_profile_ortho_link").attr("href", URL.createObjectURL(e))
                }),
                $("#potree_download_las_icon").click(function() {
                    var e = t()
                      , e = vy.toLAS(e)
                      , e = new Blob([e],{
                        type: "application/octet-binary"
                    });
                    $("#potree_download_profile_link").attr("href", URL.createObjectURL(e))
                })
            }
        }, {
            key: "selectPoint",
            value: function(e, t, n) {
                var i, r = {
                    distance: 1 / 0,
                    pointcloud: null,
                    points: null,
                    index: null
                }, a = new ph(new yn(e - n,t - n),new yn(e + n,t + n)), o = ue(this.pointclouds);
                try {
                    for (o.s(); !(i = o.n()).done; ) {
                        var s, l = N(i.value, 2), u = l[0], c = ue(l[1].points);
                        try {
                            for (c.s(); !(s = c.n()).done; ) {
                                var d = s.value;
                                if (new ph(new yn(d.projectedBox.min.x,d.projectedBox.min.z),new yn(d.projectedBox.max.x,d.projectedBox.max.z)).intersectsBox(a)) {
                                    d.numPoints;
                                    for (var h = 0; h < d.numPoints; h++) {
                                        var p, f = d.data.mileage[h] - e, m = d.data.position[3 * h + 2] - t + u.position.z, v = Math.sqrt(f * f + m * m), g = v < n && v < r.distance, y = !0;
                                        d.data.classification && (!(p = u.material.classification[d.data.classification[h]]) || p.visible && 0 !== p.color.w || (y = !1)),
                                        g && y && (r = {
                                            distance: v,
                                            pointcloud: u,
                                            points: d,
                                            index: h
                                        })
                                    }
                                } else
                                    d.numPoints
                            }
                        } catch (e) {
                            c.e(e)
                        } finally {
                            c.f()
                        }
                    }
                } catch (e) {
                    o.e(e)
                } finally {
                    o.f()
                }
                if (r.distance < 1 / 0) {
                    for (var w = r.points, b = {}, x = 0, E = Object.keys(w.data); x < E.length; x++) {
                        var _ = E[x]
                          , M = w.data[_]
                          , A = M.length / w.numPoints
                          , A = M.subarray(A * r.index, A * r.index + A);
                        1 === A.length ? b[_] = A[0] : b[_] = A
                    }
                    return r.point = b,
                    r
                }
                return null
            }
        }, {
            key: "initTHREE",
            value: function() {
                this.renderer = new ps({
                    alpha: !0,
                    premultipliedAlpha: !1
                }),
                this.renderer.setClearColor(0, 0),
                this.renderer.setSize(10, 10),
                this.renderer.autoClear = !1,
                this.renderArea.append($(this.renderer.domElement)),
                this.renderer.domElement.tabIndex = "2222",
                $(this.renderer.domElement).css("width", "100%"),
                $(this.renderer.domElement).css("height", "100%");
                var e = this.renderer.getContext();
                if (null == e.createVertexArray) {
                    var t = e.getExtension("OES_vertex_array_object");
                    if (!t)
                        throw new Error("OES_vertex_array_object extension not supported");
                    e.createVertexArray = t.createVertexArrayOES.bind(t),
                    e.bindVertexArray = t.bindVertexArrayOES.bind(t)
                }
                this.camera = new ed(-1e3,1e3,1e3,-1e3,-1e3,1e3),
                window.axisYup || (this.camera.up.set(0, 0, 1),
                this.camera.rotation.order = "ZXY",
                this.camera.rotation.x = Math.PI / 2),
                this.scene = new gs,
                this.profileScene = new gs;
                e = new Su(1,16,16),
                t = new Xu;
                this.pickSphere = new Hr(e,t),
                this.scene.add(this.pickSphere),
                this.viewerPickSphere = new Hr(e,t)
            }
        }, {
            key: "initSVG",
            value: function() {
                var e = this.renderArea[0].clientWidth
                  , t = this.renderArea[0].clientHeight
                  , n = this.renderArea[0].offsetLeft;
                this.svg.selectAll("*").remove(),
                this.scaleX = d3.scale.linear().domain([this.camera.left + this.camera.position.x, this.camera.right + this.camera.position.x]).range([0, e]),
                this.scaleY = d3.scale.linear().domain([this.camera.bottom + this.camera.position.z, this.camera.top + this.camera.position.z]).range([t, 0]),
                this.xAxis = d3.svg.axis().scale(this.scaleX).orient("bottom").innerTickSize(-t).outerTickSize(1).tickPadding(10).ticks(e / 50),
                this.yAxis = d3.svg.axis().scale(this.scaleY).orient("left").innerTickSize(-e).outerTickSize(1).tickPadding(10).ticks(t / 20),
                this.elXAxis = this.svg.append("g").attr("class", "x axis").attr("transform", "translate(".concat(n, ", ").concat(t, ")")).call(this.xAxis),
                this.elYAxis = this.svg.append("g").attr("class", "y axis").attr("transform", "translate(".concat(n, ", 0)")).call(this.yAxis)
            }
        }, {
            key: "addPoints",
            value: function(e, t) {
                var n = this;
                if (0 !== t.numPoints) {
                    var i, r, a = this.pointclouds.get(e);
                    a || (a = new wy(e),
                    this.pointclouds.set(e, a),
                    this.profileScene.add(a),
                    (i = function() {
                        n.render()
                    }
                    )(),
                    e.material.addEventListener("material_property_changed", i),
                    this.addEventListener("on_reset_once", function() {
                        e.material.removeEventListener("material_property_changed", i)
                    })),
                    a.addPoints(t),
                    this.projectedBox.union(a.projectedBox),
                    this.autoFit && this.autoFitEnabled && (r = this.renderArea[0].clientWidth,
                    t = this.renderArea[0].clientHeight,
                    r = r / (a = this.projectedBox.getSize(new Cn)).x,
                    a = t / a.z,
                    r = Math.min(r, a),
                    a = this.projectedBox.getCenter(new Cn),
                    this.scale.set(r, r, 1),
                    this.camera.position.copy(a)),
                    this.render();
                    var o, s = 0, l = ue(this.pointclouds.entries());
                    try {
                        for (l.s(); !(o = l.n()).done; ) {
                            var u = N(o.value, 2);
                            u[0];
                            s += u[1].points.reduce(function(e, t) {
                                return e + t.numPoints
                            }, 0)
                        }
                    } catch (e) {
                        l.e(e)
                    } finally {
                        l.f()
                    }
                    $("#profile_num_points").html(Jf.addCommas(s))
                }
            }
        }, {
            key: "reset",
            value: function() {
                this.lastReset = (new Date).getTime(),
                this.dispatchEvent({
                    type: "on_reset_once"
                }),
                this.removeEventListeners("on_reset_once"),
                this.autoFit = !0,
                this.projectedBox = new kn;
                var e, t = ue(this.pointclouds);
                try {
                    for (t.s(); !(e = t.n()).done; ) {
                        var n = N(e.value, 2);
                        n[0];
                        n[1].dispose()
                    }
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                this.pointclouds.clear(),
                this.mouseIsDown = !1,
                this.mouse.set(0, 0),
                this.autoFitEnabled && this.scale.set(1, 1, 1),
                this.pickSphere.visible = !1,
                this.elRoot.find("#profileSelectionProperties").hide(),
                this.render()
            }
        }, {
            key: "show",
            value: function() {
                this.elRoot.fadeIn(),
                this.enabled = !0
            }
        }, {
            key: "hide",
            value: function() {
                this.elRoot.fadeOut(),
                this.enabled = !1
            }
        }, {
            key: "updateScales",
            value: function() {
                var e = this.renderArea[0].clientWidth
                  , t = this.renderArea[0].clientHeight
                  , n = -e / 2 / this.scale.x
                  , i = +e / 2 / this.scale.x
                  , r = +t / 2 / this.scale.y
                  , a = -t / 2 / this.scale.y;
                this.camera.left = n,
                this.camera.right = i,
                this.camera.top = r,
                this.camera.bottom = a,
                this.camera.updateProjectionMatrix(),
                this.scaleX.domain([this.camera.left + this.camera.position.x, this.camera.right + this.camera.position.x]).range([0, e]),
                this.scaleY.domain([this.camera.bottom + this.camera.position.z, this.camera.top + this.camera.position.z]).range([t, 0]);
                a = this.renderArea[0].offsetLeft;
                this.xAxis.scale(this.scaleX).orient("bottom").innerTickSize(-t).outerTickSize(1).tickPadding(10).ticks(e / 50),
                this.yAxis.scale(this.scaleY).orient("left").innerTickSize(-e).outerTickSize(1).tickPadding(10).ticks(t / 20),
                this.elXAxis.attr("transform", "translate(".concat(a, ", ").concat(t, ")")).call(this.xAxis),
                this.elYAxis.attr("transform", "translate(".concat(a, ", 0)")).call(this.yAxis)
            }
        }, {
            key: "requestScaleUpdate",
            value: function() {
                void 0 === this.lastReset || void 0 === this.lastScaleUpdate || 100 < (new Date).getTime() - this.lastReset && 100 < (new Date).getTime() - this.lastScaleUpdate ? (this.updateScales(),
                this.lastScaleUpdate = (new Date).getTime(),
                this.scaleUpdatePending = !1) : this.scaleUpdatePending || (setTimeout(this.requestScaleUpdate.bind(this), 100),
                this.scaleUpdatePending = !0)
            }
        }, {
            key: "render",
            value: function() {
                var e = this.renderArea[0].clientWidth
                  , t = this.renderArea[0].clientHeight
                  , n = this.renderer
                  , i = this.pRenderer
                  , r = this.camera
                  , a = this.profileScene
                  , o = this.scene
                  , s = this.scaleX
                  , l = this.pickSphere;
                n.setSize(e, t),
                n.setClearColor(0, 0),
                n.clear(!0, !0, !1);
                var u, c = ue(this.pointclouds.keys());
                try {
                    for (c.s(); !(u = c.n()).done; ) {
                        var d = u.value
                          , h = d.material
                          , p = this.pointclouds.get(d).material;
                        gy(h, p),
                        p.size = 2
                    }
                } catch (e) {
                    c.e(e)
                } finally {
                    c.f()
                }
                i.render(a, r, null);
                s = Math.abs(s.invert(0) - s.invert(5));
                0 === s ? l.visible = !1 : (l.scale.set(s, s, s),
                l.visible = !0),
                n.render(o, r),
                this.requestScaleUpdate()
            }
        }]),
        i
    }()
      , xy = function() {
        function n(e) {
            var l = this;
            O(this, n),
            this.viewer = e,
            this.profileWindow = e.profileWindow,
            this.profile = null,
            this.numPoints = 0,
            this.threshold = 6e4,
            this.rotateAmount = 10,
            this.scheduledRecomputeTime = null,
            this.enabled = !0,
            this.requests = [],
            this._recompute = function() {
                l.recompute()
            }
            ,
            this.viewer.addEventListener("scene_changed", function(e) {
                e.oldScene.removeEventListener("pointcloud_added", l._recompute),
                e.scene.addEventListener("pointcloud_added", l._recompute)
            }),
            this.viewer.scene.addEventListener("pointcloud_added", this._recompute),
            $("#potree_profile_rotate_amount").val(parseInt(this.rotateAmount)),
            $("#potree_profile_rotate_amount").on("input", function(e) {
                var t = $("#potree_profile_rotate_amount").val();
                isNaN(t) ? $("#potree_profile_rotate_amount").css("background-color", "#ff9999") : (t = parseFloat(t),
                l.rotateAmount = t,
                $("#potree_profile_rotate_amount").css("background-color", ""))
            });
            function t(e) {
                var t = l.profile
                  , n = t.points
                  , i = n[0]
                  , r = n[n.length - 1]
                  , i = i.clone().add(r).multiplyScalar(.5)
                  , r = (new ni).makeTranslation(-i.x, -i.y, -i.z)
                  , e = (new ni).makeRotationZ(e)
                  , a = (new ni).makeTranslation(i.x, i.y, i.z).multiply(e).multiply(r)
                  , o = n.map(function(e) {
                    return e.clone().applyMatrix4(a)
                });
                l.profileWindow.autoFitEnabled = !1;
                for (var s = 0; s < n.length; s++)
                    t.setPosition(s, o[s])
            }
            $("#potree_profile_rotate_cw").click(function() {
                var e = gn.degToRad(l.rotateAmount);
                t(-e)
            }),
            $("#potree_profile_rotate_ccw").click(function() {
                var e = gn.degToRad(l.rotateAmount);
                t(e)
            }),
            $("#potree_profile_move_forward").click(function() {
                var e = l.profile
                  , t = e.points
                  , n = t[0]
                  , n = t[t.length - 1].clone().sub(n).normalize()
                  , i = new Cn(0,0,1).cross(n).clone().multiplyScalar(e.width / 2);
                l.profileWindow.autoFitEnabled = !1;
                for (var r = 0; r < t.length; r++)
                    e.setPosition(r, t[r].clone().add(i))
            }),
            $("#potree_profile_move_backward").click(function() {
                var e = l.profile
                  , t = e.points
                  , n = t[0]
                  , n = t[t.length - 1].clone().sub(n).normalize()
                  , i = new Cn(0,0,1).cross(n).clone().multiplyScalar(-e.width / 2);
                l.profileWindow.autoFitEnabled = !1;
                for (var r = 0; r < t.length; r++)
                    e.setPosition(r, t[r].clone().add(i))
            })
        }
        return h(n, [{
            key: "setProfile",
            value: function(e) {
                null !== this.profile && this.profile !== e && (this.profile.removeEventListener("marker_moved", this._recompute),
                this.profile.removeEventListener("marker_added", this._recompute),
                this.profile.removeEventListener("marker_removed", this._recompute),
                this.profile.removeEventListener("width_changed", this._recompute)),
                this.profile = e,
                this.profile.addEventListener("marker_moved", this._recompute),
                this.profile.addEventListener("marker_added", this._recompute),
                this.profile.addEventListener("marker_removed", this._recompute),
                this.profile.addEventListener("width_changed", this._recompute),
                this.recompute()
            }
        }, {
            key: "reset",
            value: function() {
                if (this.profileWindow.reset(),
                this.numPoints = 0,
                this.profile) {
                    var e, t = ue(this.requests);
                    try {
                        for (t.s(); !(e = t.n()).done; )
                            e.value.cancel()
                    } catch (e) {
                        t.e(e)
                    } finally {
                        t.f()
                    }
                }
            }
        }, {
            key: "progressHandler",
            value: function(e, t) {
                var n, i = ue(t.segments);
                try {
                    for (i.s(); !(n = i.n()).done; ) {
                        var r = n.value;
                        this.profileWindow.addPoints(e, r.points),
                        this.numPoints += r.points.numPoints
                    }
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
            }
        }, {
            key: "cancel",
            value: function() {
                var e, t = ue(this.requests);
                try {
                    for (t.s(); !(e = t.n()).done; )
                        e.value.cancel()
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                this.requests = []
            }
        }, {
            key: "finishLevelThenCancel",
            value: function() {
                var e, t = ue(this.requests);
                try {
                    for (t.s(); !(e = t.n()).done; )
                        e.value.finishLevelThenCancel()
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                this.requests = []
            }
        }, {
            key: "recompute",
            value: function() {
                var n = this;
                if (this.profile && !(null !== this.scheduledRecomputeTime && this.scheduledRecomputeTime > (new Date).getTime())) {
                    this.scheduledRecomputeTime = (new Date).getTime() + 100,
                    this.scheduledRecomputeTime = null,
                    this.reset();
                    var i, t = ue(this.viewer.scene.pointclouds.filter(function(e) {
                        return e.visible
                    }));
                    try {
                        for (t.s(); !(i = t.n()).done; )
                            !function() {
                                var t = i.value
                                  , e = t.getPointsInProfile(n.profile, null, {
                                    onProgress: function(e) {
                                        n.enabled && (n.progressHandler(t, e.points),
                                        n.numPoints > n.threshold && n.finishLevelThenCancel())
                                    },
                                    onFinish: function(e) {
                                        n.enabled
                                    },
                                    onCancel: function() {
                                        n.enabled
                                    }
                                });
                                n.requests.push(e)
                            }()
                    } catch (e) {
                        t.e(e)
                    } finally {
                        t.f()
                    }
                }
            }
        }]),
        n
    }()
      , Ey = function() {
        function o() {
            O(this, o)
        }
        return h(o, null, [{
            key: "measurementToFeatures",
            value: function(e) {
                var t, n = e.points.map(function(e) {
                    return e.position.toArray()
                }), i = [];
                return 1 === n.length ? (t = {
                    type: "Feature",
                    geometry: {
                        type: "Point",
                        coordinates: n[0]
                    },
                    properties: {
                        name: e.name
                    }
                },
                i.push(t)) : 1 < n.length && !e.closed ? (t = {
                    type: "Feature",
                    geometry: {
                        type: "LineString",
                        coordinates: n
                    },
                    properties: {
                        name: e.name
                    }
                },
                i.push(t)) : 1 < n.length && e.closed && (n = {
                    type: "Feature",
                    geometry: {
                        type: "Polygon",
                        coordinates: [[].concat(Q(n), [n[0]])]
                    },
                    properties: {
                        name: e.name
                    }
                },
                i.push(n)),
                e.showDistances && e.edgeLabels.forEach(function(e) {
                    e = {
                        type: "Feature",
                        geometry: {
                            type: "Point",
                            coordinates: e.position.toArray()
                        },
                        properties: {
                            distance: e.text
                        }
                    };
                    i.push(e)
                }),
                e.showArea && (e = {
                    type: "Feature",
                    geometry: {
                        type: "Point",
                        coordinates: e.areaLabel.position.toArray()
                    },
                    properties: {
                        area: e.areaLabel.text
                    }
                },
                i.push(e)),
                i
            }
        }, {
            key: "toString",
            value: function(e) {
                var t, n = [], i = ue(e = (e = !(e instanceof Array) ? [e] : e).filter(function(e) {
                    return e instanceof Wf
                }));
                try {
                    for (i.s(); !(t = i.n()).done; )
                        var r = t.value
                          , a = o.measurementToFeatures(r)
                          , n = n.concat(a)
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
                return JSON.stringify({
                    type: "FeatureCollection",
                    features: n
                }, null, "\t")
            }
        }]),
        o
    }()
      , _y = function() {
        function d() {
            O(this, d)
        }
        return h(d, null, [{
            key: "measurementPointSection",
            value: function(e) {
                e = e.points[0].position;
                return e ? "0\nCIRCLE\n8\nlayer_point\n10\n".concat(e.x, "\n20\n").concat(e.y, "\n30\n").concat(e.z, "\n40\n1.0\n") : ""
            }
        }, {
            key: "measurementPolylineSection",
            value: function(e) {
                var t = 8;
                e.closed && (t += 1);
                var n, i = "0\nPOLYLINE\n8\nlayer_polyline\n62\n1\n66\n1\n10\n0.0\n20\n0.0\n30\n0.0\n70\n".concat(t, "\n"), r = 0, a = 0, o = 0, s = ue(e.points);
                try {
                    for (s.s(); !(n = s.n()).done; ) {
                        var l = (l = n.value).position
                          , r = Math.max(r, l.x)
                          , a = Math.max(a, l.y)
                          , o = Math.max(o, l.z);
                        i += "0\nVERTEX\n8\n0\n10\n".concat(l.x, "\n20\n").concat(l.y, "\n30\n").concat(l.z, "\n70\n32\n")
                    }
                } catch (e) {
                    s.e(e)
                } finally {
                    s.f()
                }
                return i += "0\nSEQEND\n"
            }
        }, {
            key: "measurementSection",
            value: function(e) {
                return 0 === e.points.length ? "" : 1 === e.points.length ? d.measurementPointSection(e) : 2 <= e.points.length ? d.measurementPolylineSection(e) : void 0
            }
        }, {
            key: "toString",
            value: function(e) {
                var t, n = (e = (e = !(e instanceof Array) ? [e] : e).filter(function(e) {
                    return e instanceof Wf
                })).filter(function(e) {
                    return e instanceof Wf
                }).map(function(e) {
                    return e.points
                }).reduce(function(e, t) {
                    return e.concat(t)
                }).map(function(e) {
                    return e.position
                }), i = new Cn(1 / 0,1 / 0,1 / 0), r = new Cn(-1 / 0,-1 / 0,-1 / 0), a = ue(n);
                try {
                    for (a.s(); !(t = a.n()).done; ) {
                        var o = t.value;
                        i.min(o),
                        r.max(o)
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
                var s, n = "999\nDXF created from potree\n0\nSECTION\n2\nHEADER\n9\n$ACADVER\n1\nAC1006\n9\n$INSBASE\n10\n0.0\n20\n0.0\n30\n0.0\n9\n$EXTMIN\n10\n".concat(i.x, "\n20\n").concat(i.y, "\n30\n").concat(i.z, "\n9\n$EXTMAX\n10\n").concat(r.x, "\n20\n").concat(r.y, "\n30\n").concat(r.z, "\n0\nENDSEC\n"), l = "0\nSECTION\n2\nENTITIES\n", u = ue(e);
                try {
                    for (u.s(); !(s = u.n()).done; ) {
                        var c = s.value;
                        l += d.measurementSection(c)
                    }
                } catch (e) {
                    u.e(e)
                } finally {
                    u.f()
                }
                return n + (l += "0\nENDSEC\n") + "0\nEOF"
            }
        }]),
        d
    }()
      , My = function() {
        function r(e, t, n) {
            var i = this;
            O(this, r),
            this.viewer = e,
            this.measurement = t,
            this.propertiesPanel = n,
            this._update = function() {
                i.update()
            }
        }
        return h(r, [{
            key: "createCoordinatesTable",
            value: function(e) {
                var r, a = this, o = $('\n\t\t\t<table class="measurement_value_table">\n\t\t\t\t<tr>\n\t\t\t\t\t<th>x</th>\n\t\t\t\t\t<th>y</th>\n\t\t\t\t\t<th>z</th>\n\t\t\t\t\t<th></th>\n\t\t\t\t</tr>\n\t\t\t</table>\n\t\t'), s = Potree.resourcePath + "/icons/copy.svg", t = ue(e);
                try {
                    for (t.s(); !(r = t.n()).done; )
                        !function() {
                            var t = r.value
                              , e = Jf.addCommas(t.x.toFixed(3))
                              , n = Jf.addCommas(t.y.toFixed(3))
                              , i = Jf.addCommas(t.z.toFixed(3))
                              , i = $("\n\t\t\t\t<tr>\n\t\t\t\t\t<td><span>".concat(e, "</span></td>\n\t\t\t\t\t<td><span>").concat(n, "</span></td>\n\t\t\t\t\t<td><span>").concat(i, '</span></td>\n\t\t\t\t\t<td align="right" style="width: 25%">\n\t\t\t\t\t\t<img name="copy" title="copy" class="button-icon" src="').concat(s, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n\t\t\t'));
                            a.elCopy = i.find("img[name=copy]"),
                            a.elCopy.click(function() {
                                var e = t.toArray().map(function(e) {
                                    return e.toFixed(3)
                                }).join(", ");
                                Jf.clipboardCopy(e),
                                a.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                                    duration: 3e3
                                })
                            }),
                            o.append(i)
                        }()
                } catch (e) {
                    t.e(e)
                } finally {
                    t.f()
                }
                return o
            }
        }, {
            key: "createAttributesTable",
            value: function() {
                var e = $('<table class="measurement_value_table"></table>');
                this.measurement.points[0];
                return e
            }
        }, {
            key: "update",
            value: function() {}
        }]),
        r
    }()
      , Ay = function() {
        y(i, My);
        var n = w(i);
        function i(e, r, t) {
            O(this, i);
            var a = n.call(this, e, r, t)
              , t = Potree.resourcePath + "/icons/remove.svg";
            return a.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<table id="distances_table" class="measurement_value_table"></table>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span>\n\t\t\t\t\t\t<input type="button" name="make_profile" value="profile from measure" />\n\t\t\t\t\t</span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(t, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            a.elRemove = a.elContent.find("img[name=remove]"),
            a.elRemove.click(function() {
                a.viewer.scene.removeMeasurement(r)
            }),
            a.elMakeProfile = a.elContent.find("input[name=make_profile]"),
            a.elMakeProfile.click(function() {
                var e = new Kp;
                e.name = r.name,
                e.width = r.getTotalDistance() / 50;
                var t, n = ue(r.points);
                try {
                    for (n.s(); !(t = n.n()).done; ) {
                        var i = t.value;
                        e.addMarker(i.position.clone())
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                a.viewer.scene.addProfile(e)
            }),
            a.propertiesPanel.addVolatileListener(r, "marker_added", a._update),
            a.propertiesPanel.addVolatileListener(r, "marker_removed", a._update),
            a.propertiesPanel.addVolatileListener(r, "marker_moved", a._update),
            a.update(),
            a
        }
        return h(i, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points));
                for (var t = this.measurement.points, n = [], i = 0; i < t.length - 1; i++) {
                    var r = t[i].distanceTo(t[i + 1]);
                    n.push(r.toFixed(3))
                }
                var e = this.measurement.getTotalDistance().toFixed(3)
                  , a = this.elContent.find("#distances_table");
                a.empty();
                for (var o = 0; o < n.length; o++) {
                    var s = n[o]
                      , s = $("\n\t\t\t\t<tr>\n\t\t\t\t\t<th>".concat(0 === o ? "Distances: " : "", '</th>\n\t\t\t\t\t<td style="width: 100%; padding-left: 10px">').concat(s, "</td>\n\t\t\t\t</tr>"));
                    a.append(s)
                }
                e = $('\n\t\t\t<tr>\n\t\t\t\t<th>Total: </td><td style="width: 100%; padding-left: 10px">'.concat(e, "</th>\n\t\t\t</tr>"));
                a.append(e)
            }
        }]),
        i
    }()
      , Ty = function() {
        y(a, My);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = r.call(this, e, t, n)
              , n = Potree.resourcePath + "/icons/remove.svg";
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<span class="attributes_table_container"></span>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(n, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeMeasurement(t)
            }),
            i.propertiesPanel.addVolatileListener(t, "marker_added", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_removed", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_moved", i._update),
            i.update(),
            i
        }
        return h(a, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points));
                e = this.elContent.find(".attributes_table_container");
                e.empty(),
                e.append(this.createAttributesTable())
            }
        }]),
        a
    }()
      , Sy = function() {
        y(a, My);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = r.call(this, e, t, n)
              , n = Potree.resourcePath + "/icons/remove.svg";
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<span style="font-weight: bold">Area: </span>\n\t\t\t\t<span id="measurement_area"></span>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(n, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeMeasurement(t)
            }),
            i.propertiesPanel.addVolatileListener(t, "marker_added", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_removed", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_moved", i._update),
            i.update(),
            i
        }
        return h(a, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points)),
                this.elContent.find("#measurement_area").html(this.measurement.area.value.toFixed(3))
            }
        }]),
        a
    }()
      , Cy = function() {
        y(a, My);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = r.call(this, e, t, n)
              , n = Potree.resourcePath + "/icons/remove.svg";
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<table class="measurement_value_table">\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<th>α</th>\n\t\t\t\t\t\t<th>β</th>\n\t\t\t\t\t\t<th>γ</th>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td align="center" id="angle_cell_alpha" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="angle_cell_betta" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="angle_cell_gamma" style="width: 33%"></td>\n\t\t\t\t\t</tr>\n\t\t\t\t</table>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(n, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeMeasurement(t)
            }),
            i.propertiesPanel.addVolatileListener(t, "marker_added", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_removed", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_moved", i._update),
            i.update(),
            i
        }
        return h(a, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points.map(function(e) {
                    return e.position
                })));
                for (var t = [], n = 0; n < this.measurement.points.length; n++)
                    t.push(this.measurement.getAngle(n) * (180 / Math.PI));
                var t = t.map(function(e) {
                    return e.toFixed(1) + "°"
                })
                  , i = this.elContent.find("#angle_cell_alpha")
                  , r = this.elContent.find("#angle_cell_betta")
                  , e = this.elContent.find("#angle_cell_gamma");
                i.html(t[0]),
                r.html(t[1]),
                e.html(t[2])
            }
        }]),
        a
    }()
      , Py = function() {
        y(a, My);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = r.call(this, e, t, n)
              , n = Potree.resourcePath + "/icons/remove.svg";
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<table id="infos_table" class="measurement_value_table"></table>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(n, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeMeasurement(t)
            }),
            i.propertiesPanel.addVolatileListener(t, "marker_added", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_removed", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_moved", i._update),
            i.update(),
            i
        }
        return h(a, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points.map(function(e) {
                    return e.position
                })));
                var t, n, i, r, a = this.elContent.find("#infos_table");
                3 === this.measurement.points.length ? (t = this.measurement.points[0].position,
                i = this.measurement.points[1].position,
                r = this.measurement.points[2].position,
                e = (n = Potree.Utils.computeCircleCenter(t, i, r)).distanceTo(t),
                i = 2 * Math.PI * e,
                t = "".concat((r = function(e) {
                    return Potree.Utils.addCommas(e.toFixed(3))
                }
                )(n.x), " ").concat(r(n.y), " ").concat(r(n.z)),
                n = r(e),
                e = r(i),
                r = 'style="width: 100%; padding: 5px;"',
                a.html("\n\t\t\t<tr>\n\t\t\t\t<th ".concat(i = 'style="text-align: left"', ">Center: </th>\n\t\t\t\t<td ").concat(r, "></td>\n\t\t\t</tr>\n\t\t\t<tr>\n\t\t\t\t<td ").concat(r, ' colspan="2">\n\t\t\t\t\t').concat(t, "\n\t\t\t\t</td>\n\t\t\t</tr>\n\t\t\t<tr>\n\t\t\t\t<th ").concat(i, ">Radius: </th>\n\t\t\t\t<td ").concat(r, ">").concat(n, "</td>\n\t\t\t</tr>\n\t\t\t<tr>\n\t\t\t\t<th ").concat(i, ">Circumference: </th>\n\t\t\t\t<td ").concat(r, ">").concat(e, "</td>\n\t\t\t</tr>\n\t\t"))) : a.empty()
            }
        }]),
        a
    }()
      , Dy = function() {
        y(a, My);
        var r = w(a);
        function a(e, t, n) {
            O(this, a);
            var i = r.call(this, e, t, n)
              , n = Potree.resourcePath + "/icons/remove.svg";
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<span id="height_label">Height: </span><br>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(n, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeMeasurement(t)
            }),
            i.propertiesPanel.addVolatileListener(t, "marker_added", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_removed", i._update),
            i.propertiesPanel.addVolatileListener(t, "marker_moved", i._update),
            i.update(),
            i
        }
        return h(a, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points.map(function(e) {
                    return e.position
                })));
                var t = this.measurement.points.slice().sort(function(e, t) {
                    return e.position.z - t.position.z
                })
                  , e = t[0].position.clone()
                  , t = t[t.length - 1].position.clone()
                  , e = e.z
                  , e = (e = t.z - e).toFixed(3);
                this.elHeightLabel = this.elContent.find("#height_label"),
                this.elHeightLabel.html("<b>Height:</b> ".concat(e))
            }
        }]),
        a
    }()
      , ky = function() {
        y(l, My);
        var e, s = w(l);
        function l(e, t, n) {
            O(this, l);
            var i = s.call(this, e, t, n)
              , r = Potree.resourcePath + "/icons/copy.svg"
              , a = Potree.resourcePath + "/icons/remove.svg"
              , o = new Map([[Zp, "length"], [Qp, "rx"]]).get(t.constructor)
              , e = new Map([[Zp, "width"], [Qp, "ry"]]).get(t.constructor)
              , n = new Map([[Zp, "height"], [Qp, "rz"]]).get(t.constructor);
            return i.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\n\t\t\t\t<table class="measurement_value_table">\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<th>α</th>\n\t\t\t\t\t\t<th>β</th>\n\t\t\t\t\t\t<th>γ</th>\n\t\t\t\t\t\t<th></th>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td align="center" id="angle_cell_alpha" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="angle_cell_betta" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="angle_cell_gamma" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="right" style="width: 25%">\n\t\t\t\t\t\t\t<img name="copyRotation" title="copy" class="button-icon" src="'.concat(r, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t\t</td>\n\t\t\t\t\t</tr>\n\t\t\t\t</table>\n\n\t\t\t\t<table class="measurement_value_table">\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<th>').concat(o, "</th>\n\t\t\t\t\t\t<th>").concat(e, "</th>\n\t\t\t\t\t\t<th>").concat(n, '</th>\n\t\t\t\t\t\t<th></th>\n\t\t\t\t\t</tr>\n\t\t\t\t\t<tr>\n\t\t\t\t\t\t<td align="center" id="cell_length" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="cell_width" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="center" id="cell_height" style="width: 33%"></td>\n\t\t\t\t\t\t<td align="right" style="width: 25%">\n\t\t\t\t\t\t\t<img name="copyScale" title="copy" class="button-icon" src="').concat(r, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t\t</td>\n\t\t\t\t\t</tr>\n\t\t\t\t</table>\n\n\t\t\t\t<br>\n\t\t\t\t<span style="font-weight: bold">Volume: </span>\n\t\t\t\t<span id="measurement_volume"></span>\n\n\t\t\t\t\x3c!--\n\t\t\t\t<li>\n\t\t\t\t\t<label style="whitespace: nowrap">\n\t\t\t\t\t\t<input id="volume_show" type="checkbox"/>\n\t\t\t\t\t\t<span>show volume</span>\n\t\t\t\t\t</label>\n\t\t\t\t</li>--\x3e\n\n\t\t\t\t<li>\n\t\t\t\t\t<label style="whitespace: nowrap">\n\t\t\t\t\t\t<input id="volume_clip" type="checkbox"/>\n\t\t\t\t\t\t<span>make clip volume</span>\n\t\t\t\t\t</label>\n\t\t\t\t</li>\n\n\t\t\t\t<li style="margin-top: 10px">\n\t\t\t\t\t<input name="download_volume" type="button" value="prepare download" style="width: 100%" />\n\t\t\t\t\t<div name="download_message"></div>\n\t\t\t\t</li>\n\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<li style="display: grid; grid-template-columns: auto auto; grid-column-gap: 5px; margin-top: 10px">\n\t\t\t\t\t<input id="volume_reset_orientation" type="button" value="reset orientation"/>\n\t\t\t\t\t<input id="volume_make_uniform" type="button" value="make uniform"/>\n\t\t\t\t</li>\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="').concat(a, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            i.elDownloadButton = i.elContent.find("input[name=download_volume]"),
            i.propertiesPanel.viewer.server ? i.elDownloadButton.click(function() {
                return i.download()
            }) : i.elDownloadButton.hide(),
            i.elCopyRotation = i.elContent.find("img[name=copyRotation]"),
            i.elCopyRotation.click(function() {
                var e = i.measurement.rotation.toArray().slice(0, 3).map(function(e) {
                    return e.toFixed(3)
                }).join(", ");
                Jf.clipboardCopy(e),
                i.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                    duration: 3e3
                })
            }),
            i.elCopyScale = i.elContent.find("img[name=copyScale]"),
            i.elCopyScale.click(function() {
                var e = i.measurement.scale.toArray().map(function(e) {
                    return e.toFixed(3)
                }).join(", ");
                Jf.clipboardCopy(e),
                i.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                    duration: 3e3
                })
            }),
            i.elRemove = i.elContent.find("img[name=remove]"),
            i.elRemove.click(function() {
                i.viewer.scene.removeVolume(t)
            }),
            i.elContent.find("#volume_reset_orientation").click(function() {
                t.rotation.set(0, 0, 0)
            }),
            i.elContent.find("#volume_make_uniform").click(function() {
                var e = (t.scale.x + t.scale.y + t.scale.z) / 3;
                t.scale.set(e, e, e)
            }),
            i.elCheckClip = i.elContent.find("#volume_clip"),
            i.elCheckClip.click(function(e) {
                i.measurement.clip = e.target.checked
            }),
            i.elCheckShow = i.elContent.find("#volume_show"),
            i.elCheckShow.click(function(e) {
                i.measurement.visible = e.target.checked
            }),
            i.propertiesPanel.addVolatileListener(t, "position_changed", i._update),
            i.propertiesPanel.addVolatileListener(t, "orientation_changed", i._update),
            i.propertiesPanel.addVolatileListener(t, "scale_changed", i._update),
            i.propertiesPanel.addVolatileListener(t, "clip_changed", i._update),
            i.update(),
            i
        }
        return h(l, [{
            key: "download",
            value: (e = r(regeneratorRuntime.mark(function e() {
                var t, n, i, r, a, o, s, l, u, c, d, h, p, f, m, v, g, y, w, b, x, E, _, M, A, T, S, C, P, D, k, B, L, R;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            for (u = this.measurement,
                            w = [],
                            v = u.matrixWorld,
                            t = new Cn(.5,0,0).applyMatrix4(v),
                            n = new Cn(-.5,0,0).applyMatrix4(v),
                            i = new Cn(0,.5,0).applyMatrix4(v),
                            r = new Cn(0,-.5,0).applyMatrix4(v),
                            m = new Cn(0,0,.5).applyMatrix4(v),
                            f = new Cn(0,0,-.5).applyMatrix4(v),
                            a = (new Cn).subVectors(n, t).normalize(),
                            o = a.clone().multiplyScalar(-1),
                            s = (new Cn).subVectors(r, i).normalize(),
                            l = s.clone().multiplyScalar(-1),
                            u = (new Cn).subVectors(f, m).normalize(),
                            v = u.clone().multiplyScalar(-1),
                            m = [(new ki).setFromNormalAndCoplanarPoint(a, t), (new ki).setFromNormalAndCoplanarPoint(o, n), (new ki).setFromNormalAndCoplanarPoint(s, i), (new ki).setFromNormalAndCoplanarPoint(l, r), (new ki).setFromNormalAndCoplanarPoint(u, m), (new ki).setFromNormalAndCoplanarPoint(v, f)],
                            c = [],
                            d = 0,
                            h = m; d < h.length; d++)
                                p = [(p = h[d]).normal.toArray(), p.constant].join(","),
                                p = "[".concat(p, "]"),
                                c.push(p);
                            v = "[" + c.join(",") + "]",
                            w.push(v),
                            f = w.join(","),
                            m = [],
                            v = ue(this.viewer.scene.pointclouds),
                            e.prev = 23,
                            v.s();
                        case 25:
                            if ((y = v.n()).done) {
                                e.next = 39;
                                break
                            }
                            if ((g = y.value).visible) {
                                e.next = 29;
                                break
                            }
                            return e.abrupt("continue", 37);
                        case 29:
                            w = g.pcoGeometry.offset.clone(),
                            y = (y = new ni).makeTranslation.apply(y, Q(w.multiplyScalar(-1).toArray())),
                            w = g.matrixWorld,
                            w = (new ni).multiplyMatrices(w, y),
                            y = "".concat(window.location.pathname, "/../").concat(g.pcoGeometry.url),
                            w = {
                                path: y,
                                transform: w.elements
                            },
                            w = JSON.stringify(w),
                            m.push(w);
                        case 37:
                            e.next = 25;
                            break;
                        case 39:
                            e.next = 44;
                            break;
                        case 41:
                            e.prev = 41,
                            e.t0 = e.catch(23),
                            v.e(e.t0);
                        case 44:
                            return e.prev = 44,
                            v.f(),
                            e.finish(44);
                        case 47:
                            return M = m.join(","),
                            b = this.elContent.find("div[name=download_message]"),
                            x = function(e) {
                                b.html('<div style="color: #ff0000">ERROR: '.concat(e, "</div>"))
                            }
                            ,
                            E = function(e) {
                                b.html("".concat(e))
                            }
                            ,
                            _ = null,
                            M = "".concat(viewer.server, "/create_regions_filter?pointclouds=[").concat(M, "]&regions=[").concat(f, "]"),
                            E("estimating results ..."),
                            e.next = 56,
                            fetch(M);
                        case 56:
                            return M = e.sent,
                            e.next = 59,
                            M.json();
                        case 59:
                            if ((A = e.sent).handle) {
                                e.next = 65;
                                break
                            }
                            return x(A.message),
                            e.abrupt("return");
                        case 65:
                            _ = A.handle;
                        case 66:
                            T = "".concat(viewer.server, "/check_regions_filter?handle=").concat(_),
                            S = function(n) {
                                return new Promise(function(e, t) {
                                    setTimeout(function() {
                                        e()
                                    }, n)
                                }
                                )
                            }
                            ,
                            C = function(e) {
                                var t = e.progress
                                  , e = e.estimate
                                  , e = t["processed points"] / e.points
                                  , e = parseInt(100 * e);
                                E("progress: ".concat(e, "%"))
                            }
                            ,
                            P = function(e) {
                                var t = "downloads ready: <br>";
                                t += "<ul>";
                                for (var n = 0; n < e.pointclouds.length; n++) {
                                    var i = "".concat(viewer.server, "/download_regions_filter_result?handle=").concat(_, "&index=").concat(n);
                                    t += '<li><a href="'.concat(i, '">result_').concat(n, ".las</a> </li>\n")
                                }
                                var r = "".concat(viewer.server, "/download_regions_filter_report?handle=").concat(_);
                                t += '<li> <a href="'.concat(r, '">report.json</a> </li>\n'),
                                E(t += "</ul>")
                            }
                            ,
                            D = function(e) {
                                e = "Unexpected Response. <br>status: ".concat(e.status, " <br>message: ").concat(e.message);
                                E(e)
                            }
                            ,
                            k = function(e) {
                                e = "ERROR: ".concat(e.message);
                                throw x(e),
                                new Error(e)
                            }
                            ,
                            B = Date.now();
                        case 73:
                            return e.next = 76,
                            fetch(T);
                        case 76:
                            return R = e.sent,
                            e.next = 79,
                            R.json();
                        case 79:
                            if ("ERROR" !== (L = e.sent).status) {
                                e.next = 84;
                                break
                            }
                            k(L),
                            e.next = 94;
                            break;
                        case 84:
                            if ("FILTERING" !== L.status) {
                                e.next = 88;
                                break
                            }
                            C(L),
                            e.next = 94;
                            break;
                        case 88:
                            if ("FINISHED" === L.status)
                                return P(L),
                                e.abrupt("break", 100);
                            e.next = 93;
                            break;
                        case 93:
                            D(L);
                        case 94:
                            return R = (Date.now() - B) / 1e3,
                            R = R < 10 ? 100 : 1e3,
                            e.next = 98,
                            S(R);
                        case 98:
                            e.next = 73;
                            break;
                        case 100:
                        case "end":
                            return e.stop()
                        }
                }, e, this, [[23, 41, 44, 47]])
            })),
            function() {
                return e.apply(this, arguments)
            }
            )
        }, {
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable([this.measurement.position]));
                var t = this.measurement.rotation.toVector3();
                t = (t = (t = t.toArray()).map(function(e) {
                    return 180 * e / Math.PI
                })).map(function(e) {
                    return e.toFixed(1) + "°"
                });
                var n = this.elContent.find("#angle_cell_alpha")
                  , i = this.elContent.find("#angle_cell_betta")
                  , e = this.elContent.find("#angle_cell_gamma");
                n.html(t[0]),
                i.html(t[1]),
                e.html(t[2]);
                n = (n = this.measurement.scale.toArray()).map(function(e) {
                    return Jf.addCommas(e.toFixed(2))
                }),
                i = this.elContent.find("#cell_length"),
                e = this.elContent.find("#cell_width"),
                t = this.elContent.find("#cell_height");
                i.html(n[0]),
                e.html(n[1]),
                t.html(n[2]);
                t = this.elContent.find("#measurement_volume"),
                n = this.measurement.getVolume();
                t.html(Jf.addCommas(n.toFixed(2))),
                this.elCheckClip.prop("checked", this.measurement.clip),
                this.elCheckShow.prop("checked", this.measurement.visible)
            }
        }]),
        l
    }()
      , By = function() {
        y(o, My);
        var e, a = w(o);
        function o(e, i, t) {
            O(this, o);
            var n = a.call(this, e, i, t)
              , t = Potree.resourcePath + "/icons/remove.svg";
            n.elContent = $('\n\t\t\t<div class="measurement_content selectable">\n\t\t\t\t<span class="coordinates_table_container"></span>\n\t\t\t\t<br>\n\t\t\t\t<span style="display:flex">\n\t\t\t\t\t<span style="display:flex; align-items: center; padding-right: 10px">Width: </span>\n\t\t\t\t\t<input id="sldProfileWidth" name="sldProfileWidth" value="5.06" style="flex-grow: 1; width:100%">\n\t\t\t\t</span>\n\t\t\t\t<br>\n\n\t\t\t\t<li style="margin-top: 10px">\n\t\t\t\t\t<input name="download_profile" type="button" value="prepare download" style="width: 100%" />\n\t\t\t\t\t<div name="download_message"></div>\n\t\t\t\t</li>\n\n\t\t\t\t<br>\n\n\t\t\t\t<input type="button" id="show_2d_profile" value="show 2d profile" style="width: 100%"/>\n\n\t\t\t\t\x3c!-- ACTIONS --\x3e\n\t\t\t\t<div style="display: flex; margin-top: 12px">\n\t\t\t\t\t<span></span>\n\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t<img name="remove" class="button-icon" src="'.concat(t, '" style="width: 16px; height: 16px"/>\n\t\t\t\t</div>\n\t\t\t</div>\n\t\t')),
            n.elRemove = n.elContent.find("img[name=remove]"),
            n.elRemove.click(function() {
                n.viewer.scene.removeProfile(i)
            }),
            n.elDownloadButton = n.elContent.find("input[name=download_profile]"),
            n.propertiesPanel.viewer.server ? n.elDownloadButton.click(function() {
                return n.download()
            }) : n.elDownloadButton.hide();
            var r = n.elContent.find("#sldProfileWidth");
            r.spinner({
                min: 0,
                max: 1e7,
                step: .01,
                numberFormat: "n",
                start: function() {},
                spin: function(e, t) {
                    var n = r.spinner("value");
                    i.setWidth(n)
                },
                change: function(e, t) {
                    var n = r.spinner("value");
                    i.setWidth(n)
                },
                stop: function(e, t) {
                    var n = r.spinner("value");
                    i.setWidth(n)
                },
                incremental: function(e) {
                    var t = r.spinner("value")
                      , n = r.spinner("option", "step");
                    return Math.max(1, parseInt(.05 * t / n))
                }
            }),
            r.spinner("value", i.getWidth()),
            r.spinner("widget").css("width", "100%");
            return n.propertiesPanel.addVolatileListener(i, "width_changed", function(e) {
                r.spinner("value") !== i.getWidth() && r.spinner("value", i.getWidth())
            }),
            n.elContent.find("#show_2d_profile").click(function() {
                n.propertiesPanel.viewer.profileWindow.show(),
                n.propertiesPanel.viewer.profileWindowController.setProfile(i)
            }),
            n.propertiesPanel.addVolatileListener(i, "marker_added", n._update),
            n.propertiesPanel.addVolatileListener(i, "marker_removed", n._update),
            n.propertiesPanel.addVolatileListener(i, "marker_moved", n._update),
            n.update(),
            n
        }
        return h(o, [{
            key: "update",
            value: function() {
                var e = this.elContent.find(".coordinates_table_container");
                e.empty(),
                e.append(this.createCoordinatesTable(this.measurement.points))
            }
        }, {
            key: "download",
            value: (e = r(regeneratorRuntime.mark(function e() {
                var t, n, i, r, a, o, s, l, u, c, d, h, p, f, m, v, g, y, w, b, x, E, _, M, A, T, S, C, P, D, k, B, L, R, F, I, O, z, N, U, G, H, V;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            A = this.measurement,
                            t = [],
                            C = A.getSegments(),
                            n = A.width,
                            i = ue(C);
                            try {
                                for (i.s(); !(r = i.n()).done; ) {
                                    for (a = r.value,
                                    o = a.start.clone().multiply(new Cn(1,1,0)),
                                    s = a.end.clone().multiply(new Cn(1,1,0)),
                                    l = (new Cn).addVectors(o, s).multiplyScalar(.5),
                                    u = (new Cn).subVectors(s, o).normalize(),
                                    c = (new Cn).subVectors(o, s).normalize(),
                                    d = new Cn(0,0,1),
                                    h = (new Cn).crossVectors(u, d),
                                    p = (new Cn).crossVectors(c, d),
                                    console.log(p),
                                    f = h.clone().multiplyScalar(.5 * n).add(l),
                                    m = p.clone().multiplyScalar(.5 * n).add(l),
                                    v = [(new ki).setFromNormalAndCoplanarPoint(u, o), (new ki).setFromNormalAndCoplanarPoint(c, s), (new ki).setFromNormalAndCoplanarPoint(p, f), (new ki).setFromNormalAndCoplanarPoint(h, m)],
                                    g = [],
                                    y = 0,
                                    w = v; y < w.length; y++)
                                        x = [(b = w[y]).normal.toArray(), b.constant].join(","),
                                        x = "[".concat(x, "]"),
                                        g.push(x);
                                    E = "[" + g.join(",") + "]",
                                    t.push(E)
                                }
                            } catch (e) {
                                i.e(e)
                            } finally {
                                i.f()
                            }
                            _ = t.join(","),
                            M = [],
                            A = ue(this.viewer.scene.pointclouds),
                            e.prev = 9,
                            A.s();
                        case 11:
                            if ((S = A.n()).done) {
                                e.next = 25;
                                break
                            }
                            if ((T = S.value).visible) {
                                e.next = 15;
                                break
                            }
                            return e.abrupt("continue", 23);
                        case 15:
                            C = T.pcoGeometry.offset.clone(),
                            S = (S = new ni).makeTranslation.apply(S, Q(C.multiplyScalar(-1).toArray())),
                            C = T.matrixWorld,
                            C = (new ni).multiplyMatrices(C, S),
                            S = "".concat(window.location.pathname, "/../").concat(T.pcoGeometry.url),
                            C = {
                                path: S,
                                transform: C.elements
                            },
                            C = JSON.stringify(C),
                            M.push(C);
                        case 23:
                            e.next = 11;
                            break;
                        case 25:
                            e.next = 30;
                            break;
                        case 27:
                            e.prev = 27,
                            e.t0 = e.catch(9),
                            A.e(e.t0);
                        case 30:
                            return e.prev = 30,
                            A.f(),
                            e.finish(30);
                        case 33:
                            return L = M.join(","),
                            P = this.elContent.find("div[name=download_message]"),
                            D = function(e) {
                                P.html('<div style="color: #ff0000">ERROR: '.concat(e, "</div>"))
                            }
                            ,
                            k = function(e) {
                                P.html("".concat(e))
                            }
                            ,
                            B = null,
                            L = "".concat(viewer.server, "/create_regions_filter?pointclouds=[").concat(L, "]&regions=[").concat(_, "]"),
                            k("estimating results ..."),
                            e.next = 42,
                            fetch(L);
                        case 42:
                            return L = e.sent,
                            e.next = 45,
                            L.json();
                        case 45:
                            if ((R = e.sent).handle) {
                                e.next = 51;
                                break
                            }
                            return D(R.message),
                            e.abrupt("return");
                        case 51:
                            B = R.handle;
                        case 52:
                            F = "".concat(viewer.server, "/check_regions_filter?handle=").concat(B),
                            I = function(n) {
                                return new Promise(function(e, t) {
                                    setTimeout(function() {
                                        e()
                                    }, n)
                                }
                                )
                            }
                            ,
                            O = function(e) {
                                var t = e.progress
                                  , e = e.estimate
                                  , e = t["processed points"] / e.points
                                  , e = parseInt(100 * e);
                                k("progress: ".concat(e, "%"))
                            }
                            ,
                            z = function(e) {
                                var t = "downloads ready: <br>";
                                t += "<ul>";
                                for (var n = 0; n < e.pointclouds.length; n++) {
                                    var i = "".concat(viewer.server, "/download_regions_filter_result?handle=").concat(B, "&index=").concat(n);
                                    t += '<li><a href="'.concat(i, '">result_').concat(n, ".las</a> </li>\n")
                                }
                                var r = "".concat(viewer.server, "/download_regions_filter_report?handle=").concat(B);
                                t += '<li> <a href="'.concat(r, '">report.json</a> </li>\n'),
                                k(t += "</ul>")
                            }
                            ,
                            N = function(e) {
                                e = "Unexpected Response. <br>status: ".concat(e.status, " <br>message: ").concat(e.message);
                                k(e)
                            }
                            ,
                            U = function(e) {
                                e = "ERROR: ".concat(e.message);
                                throw D(e),
                                new Error(e)
                            }
                            ,
                            G = Date.now();
                        case 59:
                            return e.next = 62,
                            fetch(F);
                        case 62:
                            return V = e.sent,
                            e.next = 65,
                            V.json();
                        case 65:
                            if ("ERROR" !== (H = e.sent).status) {
                                e.next = 70;
                                break
                            }
                            U(H),
                            e.next = 80;
                            break;
                        case 70:
                            if ("FILTERING" !== H.status) {
                                e.next = 74;
                                break
                            }
                            O(H),
                            e.next = 80;
                            break;
                        case 74:
                            if ("FINISHED" === H.status)
                                return z(H),
                                e.abrupt("break", 86);
                            e.next = 79;
                            break;
                        case 79:
                            N(H);
                        case 80:
                            return V = (Date.now() - G) / 1e3,
                            V = V < 10 ? 100 : 1e3,
                            e.next = 84,
                            I(V);
                        case 84:
                            e.next = 59;
                            break;
                        case 86:
                        case "end":
                            return e.stop()
                        }
                }, e, this, [[9, 27, 30, 33]])
            })),
            function() {
                return e.apply(this, arguments)
            }
            )
        }]),
        o
    }()
      , Ly = function() {
        function i(e, t) {
            var n = this;
            O(this, i),
            this.viewer = e,
            this.propertiesPanel = t,
            this._update = function() {
                n.update()
            }
            ;
            t = Potree.resourcePath + "/icons/copy.svg";
            this.elContent = $('\n\t\t<div class="propertypanel_content">\n\t\t\t<table>\n\t\t\t\t<tr>\n\t\t\t\t\t<th colspan="3">position</th>\n\t\t\t\t\t<th></th>\n\t\t\t\t</tr>\n\t\t\t\t<tr>\n\t\t\t\t\t<td align="center" id="camera_position_x" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="camera_position_y" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="camera_position_z" style="width: 25%"></td>\n\t\t\t\t\t<td align="right" id="copy_camera_position" style="width: 25%">\n\t\t\t\t\t\t<img name="copyPosition" title="copy" class="button-icon" src="'.concat(t, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n\t\t\t\t<tr>\n\t\t\t\t\t<th colspan="3">target</th>\n\t\t\t\t\t<th></th>\n\t\t\t\t</tr>\n\t\t\t\t<tr>\n\t\t\t\t\t<td align="center" id="camera_target_x" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="camera_target_y" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="camera_target_z" style="width: 25%"></td>\n\t\t\t\t\t<td align="right" id="copy_camera_target" style="width: 25%">\n\t\t\t\t\t\t<img name="copyTarget" title="copy" class="button-icon" src="').concat(t, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n\t\t\t</table>\n\t\t</div>\n\t\t')),
            this.elCopyPosition = this.elContent.find("img[name=copyPosition]"),
            this.elCopyPosition.click(function() {
                var e = n.viewer.scene.getActiveCamera().position.toArray().map(function(e) {
                    return e.toFixed(3)
                }).join(", ");
                Jf.clipboardCopy(e),
                n.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                    duration: 3e3
                })
            }),
            this.elCopyTarget = this.elContent.find("img[name=copyTarget]"),
            this.elCopyTarget.click(function() {
                var e = n.viewer.scene.view.getPivot().toArray().map(function(e) {
                    return e.toFixed(3)
                }).join(", ");
                Jf.clipboardCopy(e),
                n.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                    duration: 3e3
                })
            }),
            this.propertiesPanel.addVolatileListener(e, "camera_changed", this._update),
            this.update()
        }
        return h(i, [{
            key: "update",
            value: function() {
                var e = this.viewer.scene.getActiveCamera()
                  , t = this.viewer.scene.view
                  , e = e.position.toArray().map(function(e) {
                    return Jf.addCommas(e.toFixed(3))
                });
                this.elContent.find("#camera_position_x").html(e[0]),
                this.elContent.find("#camera_position_y").html(e[1]),
                this.elContent.find("#camera_position_z").html(e[2]);
                t = t.getPivot().toArray().map(function(e) {
                    return Jf.addCommas(e.toFixed(3))
                });
                this.elContent.find("#camera_target_x").html(t[0]),
                this.elContent.find("#camera_target_y").html(t[1]),
                this.elContent.find("#camera_target_z").html(t[2])
            }
        }]),
        i
    }()
      , Ry = function() {
        function r(e, t, n) {
            var i = this;
            O(this, r),
            this.viewer = e,
            this.propertiesPanel = t,
            this.annotation = n,
            this._update = function() {
                i.update()
            }
            ;
            t = "".concat(Potree.resourcePath, "/icons/copy.svg");
            this.elContent = $('\n\t\t<div class="propertypanel_content">\n\t\t\t<table>\n\t\t\t\t<tr>\n\t\t\t\t\t<th colspan="3">position</th>\n\t\t\t\t\t<th></th>\n\t\t\t\t</tr>\n\t\t\t\t<tr>\n\t\t\t\t\t<td align="center" id="annotation_position_x" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="annotation_position_y" style="width: 25%"></td>\n\t\t\t\t\t<td align="center" id="annotation_position_z" style="width: 25%"></td>\n\t\t\t\t\t<td align="right" id="copy_annotation_position" style="width: 25%">\n\t\t\t\t\t\t<img name="copyPosition" title="copy" class="button-icon" src="'.concat(t, '" style="width: 16px; height: 16px"/>\n\t\t\t\t\t</td>\n\t\t\t\t</tr>\n\n\t\t\t</table>\n\n\t\t\t<div>\n\n\t\t\t\t<div class="heading">Title</div>\n\t\t\t\t<div id="annotation_title" contenteditable="true">\n\t\t\t\t\tAnnotation Title\n\t\t\t\t</div>\n\n\t\t\t\t<div class="heading">Description</div>\n\t\t\t\t<div id="annotation_description" contenteditable="true">\n\t\t\t\t\tA longer description of this annotation. \n\t\t\t\t\t\tCan be multiple lines long. TODO: the user should be able\n\t\t\t\t\t\tto modify title and description. \n\t\t\t\t</div>\n\n\t\t\t</div>\n\n\t\t</div>\n\t\t')),
            this.elCopyPosition = this.elContent.find("img[name=copyPosition]"),
            this.elCopyPosition.click(function() {
                var e = i.annotation.position.toArray().map(function(e) {
                    return e.toFixed(3)
                }).join(", ");
                Jf.clipboardCopy(e),
                i.viewer.postMessage("Copied value to clipboard: <br>'".concat(e, "'"), {
                    duration: 3e3
                })
            }),
            this.elTitle = this.elContent.find("#annotation_title").html(n.title),
            this.elDescription = this.elContent.find("#annotation_description").html(n.description),
            this.elTitle[0].addEventListener("input", function() {
                var e = i.elTitle.html();
                n.title = e
            }, !1),
            this.elDescription[0].addEventListener("input", function() {
                var e = i.elDescription.html();
                n.description = e
            }, !1),
            this.update()
        }
        return h(r, [{
            key: "update",
            value: function() {
                var e = this.annotation
                  , t = this.elContent
                  , n = this.elTitle
                  , i = this.elDescription
                  , r = e.position.toArray().map(function(e) {
                    return Jf.addCommas(e.toFixed(3))
                });
                t.find("#annotation_position_x").html(r[0]),
                t.find("#annotation_position_y").html(r[1]),
                t.find("#annotation_position_z").html(r[2]),
                n.html(e.title),
                i.html(e.description)
            }
        }]),
        r
    }()
      , Fy = function() {
        function n(l, e, u) {
            O(this, n),
            this.viewer = l,
            this.propertiesPanel = e,
            this.animation = u,
            this.elContent = $('\n\t\t\t<div class="propertypanel_content">\n\t\t\t\t<span id="animation_keyframes"></span>\n\n\t\t\t\t<span>\n\n\t\t\t\t\t<span style="display:flex">\n\t\t\t\t\t\t<span style="display:flex; align-items: center; padding-right: 10px">Duration: </span>\n\t\t\t\t\t\t<input name="spnDuration" value="5.0" style="flex-grow: 1; width:100%">\n\t\t\t\t\t</span>\n\n\t\t\t\t\t<span>Time: </span><span id="lblTime"></span> <div id="sldTime"></div>\n\n\t\t\t\t\t<input name="play" type="button" value="play"/>\n\t\t\t\t</span>\n\t\t\t</div>\n\t\t'),
            this.elContent.find("input[name=play]").click(function() {
                u.play()
            }),
            this.elContent.find("#sldTime").slider({
                value: 0,
                min: 0,
                max: 1,
                step: .001,
                slide: function(e, t) {
                    u.set(t.value),
                    u.updateFrustum()
                }
            });
            var i = this.elContent.find("input[name=spnDuration]");
            i.spinner({
                min: 0,
                max: 300,
                step: .01,
                numberFormat: "n",
                start: function() {},
                spin: function(e, t) {
                    var n = i.spinner("value");
                    u.setDuration(n)
                },
                change: function(e, t) {
                    var n = i.spinner("value");
                    u.setDuration(n)
                },
                stop: function(e, t) {
                    var n = i.spinner("value");
                    u.setDuration(n)
                },
                incremental: function(e) {
                    var t = i.spinner("value")
                      , n = i.spinner("option", "step");
                    return Math.max(1, parseInt(.05 * t / n))
                }
            }),
            i.spinner("value", u.getDuration()),
            i.spinner("widget").css("width", "100%");
            function t() {
                function o(e) {
                    var t = $('\n\t\t\t\t\t<div style="display: flex; margin: 0.2em 0em">\n\t\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t\t<input type="button" name="add" value="insert control point" />\n\t\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t</div>\n\t\t\t\t');
                    t.find("input[name=add]").click(function() {
                        u.createControlPoint(e),
                        u.changeCallback()
                    }),
                    c.append(t)
                }
                c.empty();
                var s = 0;
                o(s),
                u.posCurve.points.forEach(function(e) {
                    var t, n, i, r, a;
                    t = s,
                    n = $('\n\t\t\t\t\t<div style="display: flex; margin: 0.2em 0em">\n\t\t\t\t\t\t<span style="flex-grow: 0;">\n\t\t\t\t\t\t\t<img name="assign" src="'.concat(Potree.resourcePath, '/icons/assign.svg" style="width: 1.5em; height: 1.5em"/>\n\t\t\t\t\t\t</span>\n\t\t\t\t\t\t<span style="flex-grow: 0;">\n\t\t\t\t\t\t\t<img name="move" src="').concat(Potree.resourcePath, '/icons/circled_dot.svg" style="width: 1.5em; height: 1.5em"/>\n\t\t\t\t\t\t</span>\n\t\t\t\t\t\t<span style="flex-grow: 0; width: 1.5em; height: 1.5em"></span>\n\t\t\t\t\t\t<span style="flex-grow: 0; font-size: 1.5em">keyframe</span>\n\t\t\t\t\t\t<span style="flex-grow: 1"></span>\n\t\t\t\t\t\t<span style="flex-grow: 0;">\n\t\t\t\t\t\t\t<img name="delete" src="').concat(Potree.resourcePath, '/icons/remove.svg" style="width: 1.5em; height: 1.5em"/>\n\t\t\t\t\t\t</span>\n\t\t\t\t\t</div>\n\t\t\t\t')),
                    i = n.find("img[name=assign]"),
                    r = n.find("img[name=move]"),
                    a = n.find("img[name=delete]"),
                    i.click(function() {
                        u.posCurve.points[t].copy(l.scene.view.position),
                        u.targetCurve.points[t].copy(l.scene.view.getPivot()),
                        u.changeCallback()
                    }),
                    r.click(function() {
                        l.scene.view.position.copy(u.posCurve.points[t]),
                        l.scene.view.lookAt(u.targetCurve.points[t])
                    }),
                    a.click(function() {
                        u.removeControlPoint(t),
                        u.changeCallback()
                    }),
                    c.append(n),
                    o(++s)
                })
            }
            var c = this.elContent.find("#animation_keyframes");
            t(),
            u.addEventListener("controlpoint_added", t),
            u.addEventListener("controlpoint_removed", t)
        }
        return h(n, [{
            key: "update",
            value: function() {}
        }]),
        n
    }()
      , Iy = function() {
        function n(e, t) {
            O(this, n),
            this.container = e,
            this.viewer = t,
            this.object = null,
            this.cleanupTasks = [],
            this.scene = null
        }
        return h(n, [{
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "set",
            value: function(e) {
                if (this.object !== e) {
                    this.object = e;
                    var t, n = ue(this.cleanupTasks);
                    try {
                        for (n.s(); !(t = n.n()).done; )
                            (0,
                            t.value)()
                    } catch (e) {
                        n.e(e)
                    } finally {
                        n.f()
                    }
                    this.cleanupTasks = [],
                    this.container.empty(),
                    e instanceof xm ? this.setPointCloud(e) : e instanceof Wf || e instanceof Kp || e instanceof Yp ? this.setMeasurement(e) : e instanceof Kr ? this.setCamera(e) : e instanceof Kf ? this.setAnnotation(e) : e instanceof bv && this.setCameraAnimation(e)
                }
            }
        }, {
            key: "addVolatileListener",
            value: function(e, t, n) {
                e.addEventListener(t, n),
                this.cleanupTasks.push(function() {
                    e.removeEventListener(t, n)
                })
            }
        }, {
            key: "setPointCloud",
            value: function(f) {
                var t = this
                  , m = f.material
                  , v = $('\n\t\t\t<div class="scene_content selectable">\n\t\t\t\t<ul class="pv-menu-list">\n\n\t\t\t\t<li>\n\t\t\t\t<span data-i18n="appearance.point_size"></span>:&nbsp;<span id="lblPointSize"></span> <div id="sldPointSize"></div>\n\t\t\t\t</li>\n\t\t\t\t<li>\n\t\t\t\t<span data-i18n="appearance.min_point_size"></span>:&nbsp;<span id="lblMinPointSize"></span> <div id="sldMinPointSize"></div>\n\t\t\t\t</li>\n\n\t\t\t\t\x3c!-- SIZE TYPE --\x3e\n\t\t\t\t<li>\n\t\t\t\t\t<label for="optPointSizing" class="pv-select-label" data-i18n="appearance.point_size_type">Point Sizing </label>\n\t\t\t\t\t<select id="optPointSizing" name="optPointSizing">\n\t\t\t\t\t\t<option>FIXED</option>\n\t\t\t\t\t\t<option>ATTENUATED</option>\n\t\t\t\t\t\t<option>ADAPTIVE</option>\n\t\t\t\t\t</select>\n\t\t\t\t</li>\n\n\t\t\t\t\x3c!-- SHAPE --\x3e\n\t\t\t\t<li>\n\t\t\t\t\t<label for="optShape" class="pv-select-label" data-i18n="appearance.point_shape"></label><br>\n\t\t\t\t\t<select id="optShape" name="optShape">\n\t\t\t\t\t\t<option>SQUARE</option>\n\t\t\t\t\t\t<option>CIRCLE</option>\n\t\t\t\t\t\t<option>PARABOLOID</option>\n\t\t\t\t\t</select>\n\t\t\t\t</li>\n\n\t\t\t\t<li id="materials_backface_container">\n\t\t\t\t<label><input id="set_backface_culling" type="checkbox" /><span data-i18n="appearance.backface_culling"></span></label>\n\t\t\t\t</li>\n\t\t\t\t\n\t\t\t\t\x3c!-- OPACITY --\x3e\n\t\t\t\t<li><span data-i18n="appearance.point_opacity"></span>:<span id="lblOpacity"></span><div id="sldOpacity"></div></li>\n\n\t\t\t\t<div class="divider">\n\t\t\t\t\t<span>Attribute</span>\n\t\t\t\t</div>\n\n\t\t\t\t<li>\n\t\t\t\t\t<select id="optMaterial" name="optMaterial"></select>\n\t\t\t\t</li>\n\n\t\t\t\t<div id="materials.composite_weight_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Attribute Weights</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li>RGB: <span id="lblWeightRGB"></span> <div id="sldWeightRGB"></div>\t</li>\n\t\t\t\t\t<li>Intensity: <span id="lblWeightIntensity"></span> <div id="sldWeightIntensity"></div>\t</li>\n\t\t\t\t\t<li>Elevation: <span id="lblWeightElevation"></span> <div id="sldWeightElevation"></div>\t</li>\n\t\t\t\t\t<li>Classification: <span id="lblWeightClassification"></span> <div id="sldWeightClassification"></div>\t</li>\n\t\t\t\t\t<li>Return Number: <span id="lblWeightReturnNumber"></span> <div id="sldWeightReturnNumber"></div>\t</li>\n\t\t\t\t\t<li>Source ID: <span id="lblWeightSourceID"></span> <div id="sldWeightSourceID"></div>\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.rgb_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>RGB</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li>Gamma: <span id="lblRGBGamma"></span> <div id="sldRGBGamma"></div>\t</li>\n\t\t\t\t\t<li>Brightness: <span id="lblRGBBrightness"></span> <div id="sldRGBBrightness"></div>\t</li>\n\t\t\t\t\t<li>Contrast: <span id="lblRGBContrast"></span> <div id="sldRGBContrast"></div>\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.extra_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Extra Attribute</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li><span data-i18n="appearance.extra_range"></span>: <span id="lblExtraRange"></span> <div id="sldExtraRange"></div></li>\n\n\t\t\t\t\t<li>Gamma: <span id="lblExtraGamma"></span> <div id="sldExtraGamma"></div></li>\n\t\t\t\t\t<li>Brightness: <span id="lblExtraBrightness"></span> <div id="sldExtraBrightness"></div></li>\n\t\t\t\t\t<li>Contrast: <span id="lblExtraContrast"></span> <div id="sldExtraContrast"></div></li>\n\t\t\t\t</div>\n\t\t\t\t\n\t\t\t\t<div id="materials.matcap_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>MATCAP</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li>\n\t\t\t\t\t\t<div id="matcap_scheme_selection" style="display: flex; flex-wrap: wrap;"> </div>\n\t\t\t\t\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.color_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Color</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<input id="materials.color.picker" />\n\t\t\t\t</div>\n\n\n\t\t\t\t<div id="materials.elevation_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Elevation</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li><span data-i18n="appearance.elevation_range"></span>: <span id="lblHeightRange"></span> <div id="sldHeightRange"></div>\t</li>\n\n\t\t\t\t\t<li>\n\t\t\t\t\t\t<selectgroup id="gradient_repeat_option">\n\t\t\t\t\t\t\t<option id="gradient_repeat_clamp" value="CLAMP">Clamp</option>\n\t\t\t\t\t\t\t<option id="gradient_repeat_repeat" value="REPEAT">Repeat</option>\n\t\t\t\t\t\t\t<option id="gradient_repeat_mirrored_repeat" value="MIRRORED_REPEAT">Mirrored Repeat</option>\n\t\t\t\t\t\t</selectgroup>\n\t\t\t\t\t</li>\n\n\t\t\t\t\t<li>\n\t\t\t\t\t\t<span>Gradient Scheme:</span>\n\t\t\t\t\t\t<div id="elevation_gradient_scheme_selection" style="display: flex; padding: 1em 0em">\n\t\t\t\t\t\t</div>\n\t\t\t\t\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.transition_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Transition</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li>transition: <span id="lblTransition"></span> <div id="sldTransition"></div>\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.intensity_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Intensity</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t\t<li>Range: <span id="lblIntensityRange"></span> <div id="sldIntensityRange"></div>\t</li>\n\t\t\t\t\t<li>Gamma: <span id="lblIntensityGamma"></span> <div id="sldIntensityGamma"></div>\t</li>\n\t\t\t\t\t<li>Brightness: <span id="lblIntensityBrightness"></span> <div id="sldIntensityBrightness"></div>\t</li>\n\t\t\t\t\t<li>Contrast: <span id="lblIntensityContrast"></span> <div id="sldIntensityContrast"></div>\t</li>\n\t\t\t\t</div>\n\n\t\t\t\t<div id="materials.gpstime_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>GPS Time</span>\n\t\t\t\t\t</div>\n\n\t\t\t\t</div>\n\t\t\t\t\n\t\t\t\t<div id="materials.index_container">\n\t\t\t\t\t<div class="divider">\n\t\t\t\t\t\t<span>Indices</span>\n\t\t\t\t\t</div>\n\t\t\t\t</div>\n\n\n\t\t\t\t</ul>\n\t\t\t</div>\n\t\t');
                v.i18n(),
                this.container.append(v);
                var n = v.find("#sldPointSize")
                  , i = v.find("#lblPointSize");
                n.slider({
                    value: m.size,
                    min: 0,
                    max: 3,
                    step: .01,
                    slide: function(e, t) {
                        m.size = t.value
                    }
                });
                function e(e) {
                    i.html(m.size.toFixed(2)),
                    n.slider({
                        value: m.size
                    })
                }
                this.addVolatileListener(m, "point_size_changed", e),
                e();
                var r = v.find("#sldMinPointSize")
                  , a = v.find("#lblMinPointSize");
                r.slider({
                    value: m.size,
                    min: 0,
                    max: 3,
                    step: .01,
                    slide: function(e, t) {
                        m.minSize = t.value
                    }
                });
                function o(e) {
                    a.html(m.minSize.toFixed(2)),
                    r.slider({
                        value: m.minSize
                    })
                }
                this.addVolatileListener(m, "point_size_changed", o),
                o();
                var s = Object.keys(am)[m.pointSizeType]
                  , l = v.find("#optPointSizing");
                l.selectmenu(),
                l.val(s).selectmenu("refresh"),
                l.selectmenu({
                    change: function(e, t) {
                        m.pointSizeType = am[t.item.value]
                    }
                });
                var u = v.find("#optShape");
                u.selectmenu({
                    change: function(e, t) {
                        t = t.item.value;
                        m.shape = om[t]
                    }
                });
                function c() {
                    var e = Object.keys(om)[m.shape];
                    u.selectmenu().val(e).selectmenu("refresh")
                }
                this.addVolatileListener(m, "point_shape_changed", c),
                c();
                var d = v.find("#set_backface_culling");
                d.click(function() {
                    m.backfaceCulling = d.prop("checked")
                });
                function h() {
                    var e = m.backfaceCulling;
                    d.prop("checked", e)
                }
                this.addVolatileListener(m, "backface_changed", h),
                h();
                s = $("#materials_backface_container");
                s.css("display", "none");
                l = f.pcoGeometry.pointAttributes;
                !!l.hasNormals && l.hasNormals() && s.css("display", "block");
                var p = v.find("#sldOpacity")
                  , g = v.find("#lblOpacity");
                p.slider({
                    value: m.opacity,
                    min: 0,
                    max: 1,
                    step: .001,
                    slide: function(e, t) {
                        m.opacity = t.value
                    }
                });
                function y(e) {
                    g.html(m.opacity.toFixed(2)),
                    p.slider({
                        value: m.opacity
                    })
                }
                this.addVolatileListener(m, "opacity_changed", y),
                y();
                l = f.pcoGeometry.pointAttributes.attributes;
                (s = []).push.apply(s, Q(l.map(function(e) {
                    return e.name
                })));
                l = s.indexOf("intensity");
                0 <= l && s.splice(l + 1, 0, "intensity gradient"),
                s.push("elevation", "color", "matcap", "indices", "level of detail", "composite");
                var w, b = ["POSITION_CARTESIAN", "position"], s = s.filter(function(e) {
                    return !b.includes(e)
                }), x = v.find("#optMaterial"), E = ue(s);
                try {
                    for (E.s(); !(w = E.n()).done; ) {
                        var _ = w.value
                          , M = $("<option>".concat(_, "</option>"));
                        x.append(M)
                    }
                } catch (e) {
                    E.e(e)
                } finally {
                    E.f()
                }
                function A(e, t) {
                    var n = x.selectmenu().val();
                    m.activeAttributeName = n;
                    var i = f.getAttribute(n);
                    !!(i = "intensity gradient" === n ? f.getAttribute("intensity") : i) && ["intensity", "intensity gradient"].includes(i.name) ? (f.material.intensityRange[0] === 1 / 0 && (f.material.intensityRange = i.range),
                    l = (s = N(i.range, 2))[0],
                    u = s[1],
                    v.find("#sldIntensityRange").slider({
                        range: !0,
                        min: l,
                        max: u,
                        step: .01,
                        values: [l, u],
                        slide: function(e, t) {
                            var n = t.values[0]
                              , t = t.values[1];
                            m.intensityRange = [n, t]
                        }
                    })) : i && (d = (c = N(i.range, 2))[0],
                    h = c[1],
                    p = (p = m.getRange(i.name)) || Q(i.range),
                    "number" == typeof d && "number" == typeof h && v.find("#sldExtraRange").slider({
                        range: !0,
                        min: d,
                        max: h,
                        step: .01,
                        values: p,
                        slide: function(e, t) {
                            var n = N(t.values, 2)
                              , t = n[0]
                              , n = n[1];
                            m.setRange(i.name, [t, n])
                        }
                    }));
                    var r = $("#materials\\.composite_weight_container")
                      , a = $("#materials\\.elevation_container")
                      , o = $("#materials\\.rgb_container")
                      , s = $("#materials\\.extra_container")
                      , l = $("#materials\\.color_container")
                      , u = $("#materials\\.intensity_container")
                      , c = $("#materials\\.index_container")
                      , d = $("#materials\\.transition_container")
                      , h = $("#materials\\.gpstime_container")
                      , p = $("#materials\\.matcap_container");
                    c.css("display", "none"),
                    u.css("display", "none"),
                    a.css("display", "none"),
                    o.css("display", "none"),
                    s.css("display", "none"),
                    l.css("display", "none"),
                    r.css("display", "none"),
                    d.css("display", "none"),
                    p.css("display", "none"),
                    h.css("display", "none"),
                    "composite" === n ? (r.css("display", "block"),
                    a.css("display", "block"),
                    o.css("display", "block"),
                    u.css("display", "block")) : "elevation" === n ? a.css("display", "block") : "RGB and Elevation" === n ? (o.css("display", "block"),
                    a.css("display", "block")) : "rgba" === n ? o.css("display", "block") : "color" === n ? l.css("display", "block") : "intensity" === n || "intensity gradient" === n ? u.css("display", "block") : "indices" === n ? c.css("display", "block") : "matcap" === n ? p.css("display", "block") : "classification" === n || ("gps-time" === n ? h.css("display", "block") : "number of returns" === n || "return number" === n || ["source id", "point source id"].includes(n) || s.css("display", "block"))
                }
                x.selectmenu({
                    change: A
                });
                function T() {
                    x.val(m.activeAttributeName).selectmenu("refresh")
                }
                this.addVolatileListener(m, "point_color_type_changed", T),
                this.addVolatileListener(m, "active_attribute_changed", T),
                T(),
                A();
                var S, l = Object.keys(Potree.Gradients).map(function(e) {
                    return {
                        name: e,
                        values: km[e]
                    }
                }), C = v.find("#elevation_gradient_scheme_selection"), P = ue(l);
                try {
                    for (P.s(); !(S = P.n()).done; )
                        !function() {
                            var e = S.value
                              , t = $('\n\t\t\t\t\t<span style="flex-grow: 1;">\n\t\t\t\t\t</span>\n\t\t\t\t')
                              , n = Potree.Utils.createSvgGradient(e.values);
                            n.setAttributeNS(null, "class", "button-icon"),
                            t.append($(n)),
                            t.click(function() {
                                m.gradient = km[e.name]
                            }),
                            C.append(t)
                        }()
                } catch (e) {
                    P.e(e)
                } finally {
                    P.f()
                }
                for (var s = [{
                    name: "Normals",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/check_normal+y.jpg")
                }, {
                    name: "Basic 1",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/basic_1.jpg")
                }, {
                    name: "Basic 2",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/basic_2.jpg")
                }, {
                    name: "Basic Dark",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/basic_dark.jpg")
                }, {
                    name: "Basic Side",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/basic_side.jpg")
                }, {
                    name: "Ceramic Dark",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/ceramic_dark.jpg")
                }, {
                    name: "Ceramic Lightbulb",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/ceramic_lightbulb.jpg")
                }, {
                    name: "Clay Brown",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/clay_brown.jpg")
                }, {
                    name: "Clay Muddy",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/clay_muddy.jpg")
                }, {
                    name: "Clay Studio",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/clay_studio.jpg")
                }, {
                    name: "Resin",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/resin.jpg")
                }, {
                    name: "Skin",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/skin.jpg")
                }, {
                    name: "Jade",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/jade.jpg")
                }, {
                    name: "Metal_ Anisotropic",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/metal_anisotropic.jpg")
                }, {
                    name: "Metal Carpaint",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/metal_carpaint.jpg")
                }, {
                    name: "Metal Lead",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/metal_lead.jpg")
                }, {
                    name: "Metal Shiny",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/metal_shiny.jpg")
                }, {
                    name: "Pearl",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/pearl.jpg")
                }, {
                    name: "Toon",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/toon.jpg")
                }, {
                    name: "Check Rim Light",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/check_rim_light.jpg")
                }, {
                    name: "Check Rim Dark",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/check_rim_dark.jpg")
                }, {
                    name: "Contours 1",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/contours_1.jpg")
                }, {
                    name: "Contours 2",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/contours_2.jpg")
                }, {
                    name: "Contours 3",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/contours_3.jpg")
                }, {
                    name: "Reflection Check Horizontal",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/reflection_check_horizontal.jpg")
                }, {
                    name: "Reflection Check Vertical",
                    icon: "".concat(Potree.resourcePath, "/icons/matcap/reflection_check_vertical.jpg")
                }], D = v.find("#matcap_scheme_selection"), k = 0, B = s; k < B.length; k++)
                    !function() {
                        var e = B[k]
                          , t = $('\n\t\t\t\t\t\t<img src="'.concat(e.icon, '" class="button-icon" style="width: 25%;" />\n\t\t\t\t'));
                        t.click(function() {
                            m.matcap = e.icon.substring(e.icon.lastIndexOf("/"))
                        }),
                        D.append(t)
                    }();
                v.find("#sldRGBGamma").slider({
                    value: m.rgbGamma,
                    min: 0,
                    max: 4,
                    step: .01,
                    slide: function(e, t) {
                        m.rgbGamma = t.value
                    }
                }),
                v.find("#sldRGBContrast").slider({
                    value: m.rgbContrast,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.rgbContrast = t.value
                    }
                }),
                v.find("#sldRGBBrightness").slider({
                    value: m.rgbBrightness,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.rgbBrightness = t.value
                    }
                }),
                v.find("#sldExtraGamma").slider({
                    value: m.extraGamma,
                    min: 0,
                    max: 4,
                    step: .01,
                    slide: function(e, t) {
                        m.extraGamma = t.value
                    }
                }),
                v.find("#sldExtraBrightness").slider({
                    value: m.extraBrightness,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.extraBrightness = t.value
                    }
                }),
                v.find("#sldExtraContrast").slider({
                    value: m.extraContrast,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.extraContrast = t.value
                    }
                }),
                v.find("#sldHeightRange").slider({
                    range: !0,
                    min: 0,
                    max: 1e3,
                    step: .01,
                    values: [0, 1e3],
                    slide: function(e, t) {
                        m.heightMin = t.values[0],
                        m.heightMax = t.values[1]
                    }
                }),
                v.find("#sldIntensityGamma").slider({
                    value: m.intensityGamma,
                    min: 0,
                    max: 4,
                    step: .01,
                    slide: function(e, t) {
                        m.intensityGamma = t.value
                    }
                }),
                v.find("#sldIntensityContrast").slider({
                    value: m.intensityContrast,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.intensityContrast = t.value
                    }
                }),
                v.find("#sldIntensityBrightness").slider({
                    value: m.intensityBrightness,
                    min: -1,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.intensityBrightness = t.value
                    }
                }),
                v.find("#sldWeightRGB").slider({
                    value: m.weightRGB,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightRGB = t.value
                    }
                }),
                v.find("#sldWeightIntensity").slider({
                    value: m.weightIntensity,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightIntensity = t.value
                    }
                }),
                v.find("#sldWeightElevation").slider({
                    value: m.weightElevation,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightElevation = t.value
                    }
                }),
                v.find("#sldWeightClassification").slider({
                    value: m.weightClassification,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightClassification = t.value
                    }
                }),
                v.find("#sldWeightReturnNumber").slider({
                    value: m.weightReturnNumber,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightReturnNumber = t.value
                    }
                }),
                v.find("#sldWeightSourceID").slider({
                    value: m.weightSourceID,
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        m.weightSourceID = t.value
                    }
                }),
                v.find("#materials\\.color\\.picker").spectrum({
                    flat: !0,
                    showInput: !0,
                    preferredFormat: "rgb",
                    cancelText: "",
                    chooseText: "Apply",
                    color: "#".concat(m.color.getHexString()),
                    move: function(e) {
                        e = e.toRgb(),
                        e = (new Yi).setRGB(e.r / 255, e.g / 255, e.b / 255);
                        m.color = e
                    },
                    change: function(e) {
                        e = e.toRgb(),
                        e = (new Yi).setRGB(e.r / 255, e.g / 255, e.b / 255);
                        m.color = e
                    }
                }),
                this.addVolatileListener(m, "color_changed", function() {
                    v.find("#materials\\.color\\.picker").spectrum("set", "#".concat(m.color.getHexString()))
                });
                function L() {
                    var e, t, n, i = f.getAttribute("position");
                    n = i ? (t = (t = i.range[0][2]) - .2 * (i = (e = i.range[1][2]) - t),
                    e + .2 * i) : (n = [f.pcoGeometry.tightBoundingBox, f.getBoundingBoxWorld()].find(function(e) {
                        return void 0 !== e
                    }),
                    f.updateMatrixWorld(!0),
                    r = (n = Jf.computeTransformedBoundingBox(n, f.matrixWorld)).max.z - n.min.z,
                    t = n.min.z - .2 * r,
                    n.max.z + .2 * r);
                    var r = m.elevationRange;
                    v.find("#lblHeightRange").html("".concat(r[0].toFixed(2), " to ").concat(r[1].toFixed(2))),
                    v.find("#sldHeightRange").slider({
                        min: t,
                        max: n,
                        values: r
                    })
                }
                function R() {
                    var e = m.activeAttributeName
                      , t = f.getAttribute(e);
                    null == t || "number" == typeof (e = null == (e = m.getRange(e)) ? t.range : e)[0] && "number" == typeof e[1] && (e ? (e = "".concat(e[0].toFixed(2), " to ").concat(e[1].toFixed(2)),
                    v.find("#lblExtraRange").html(e)) : v.find("could not deduce range"))
                }
                var F = function() {
                    var e = m.intensityRange;
                    v.find("#lblIntensityRange").html("".concat(parseInt(e[0]), " to ").concat(parseInt(e[1])))
                };
                L(),
                v.find("#sldHeightRange").slider("option", "min"),
                v.find("#sldHeightRange").slider("option", "max");
                l = v.find("#gradient_repeat_option");
                l.selectgroup({
                    title: "Gradient"
                }),
                l.find("input").click(function(e) {
                    t.viewer.setElevationGradientRepeat(im[e.target.value])
                });
                s = Object.keys(im).filter(function(e) {
                    return im[e] === t.viewer.elevationGradientRepeat
                });
                l.find("input[value=".concat(s, "]")).trigger("click");
                function I() {
                    var e = m.intensityGamma
                      , t = m.intensityContrast
                      , n = m.intensityBrightness;
                    F(),
                    v.find("#lblIntensityGamma").html(e.toFixed(2)),
                    v.find("#lblIntensityContrast").html(t.toFixed(2)),
                    v.find("#lblIntensityBrightness").html(n.toFixed(2)),
                    v.find("#sldIntensityGamma").slider({
                        value: e
                    }),
                    v.find("#sldIntensityContrast").slider({
                        value: t
                    }),
                    v.find("#sldIntensityBrightness").slider({
                        value: n
                    })
                }
                function O() {
                    var e = m.rgbGamma
                      , t = m.rgbContrast
                      , n = m.rgbBrightness;
                    v.find("#lblRGBGamma").html(e.toFixed(2)),
                    v.find("#lblRGBContrast").html(t.toFixed(2)),
                    v.find("#lblRGBBrightness").html(n.toFixed(2)),
                    v.find("#sldRGBGamma").slider({
                        value: e
                    }),
                    v.find("#sldRGBContrast").slider({
                        value: t
                    }),
                    v.find("#sldRGBBrightness").slider({
                        value: n
                    })
                }
                this.addVolatileListener(m, "material_property_changed", R),
                this.addVolatileListener(m, "material_property_changed", L),
                this.addVolatileListener(m, "material_property_changed", I),
                this.addVolatileListener(m, "material_property_changed", O),
                R(),
                L(),
                I(),
                O()
            }
        }, {
            key: "setMeasurement",
            value: function(e) {
                var t, n = {
                    DISTANCE: {
                        panel: Ay
                    },
                    AREA: {
                        panel: Sy
                    },
                    POINT: {
                        panel: Ty
                    },
                    ANGLE: {
                        panel: Cy
                    },
                    HEIGHT: {
                        panel: Dy
                    },
                    PROFILE: {
                        panel: By
                    },
                    VOLUME: {
                        panel: ky
                    },
                    CIRCLE: {
                        panel: Py
                    },
                    OTHER: {
                        panel: Ty
                    }
                }, e = new ((t = e)instanceof Wf ? !t.showDistances || t.showArea || t.showAngles ? t.showDistances && t.showArea && !t.showAngles ? n.AREA : 1 === t.maxMarkers ? n.POINT : t.showDistances || t.showArea || !t.showAngles ? t.showHeight ? n.HEIGHT : t.showCircle ? n.CIRCLE : n.OTHER : n.ANGLE : n.DISTANCE : t instanceof Kp ? n.PROFILE : t instanceof Yp ? n.VOLUME : void 0).panel(this.viewer,e,this);
                this.container.append(e.elContent)
            }
        }, {
            key: "setCamera",
            value: function(e) {
                var t = new Ly(this.viewer,this);
                this.container.append(t.elContent)
            }
        }, {
            key: "setAnnotation",
            value: function(e) {
                e = new Ry(this.viewer,this,e);
                this.container.append(e.elContent)
            }
        }, {
            key: "setCameraAnimation",
            value: function(e) {
                e = new Fy(this.viewer,this,e);
                this.container.append(e.elContent)
            }
        }]),
        n
    }();
    function Oy(e) {
        return function(e) {
            for (var t = (e = (e += "").split("."))[0], e = 1 < e.length ? "." + e[1] : "", n = /(\d+)(\d{3})/; n.test(t); )
                t = t.replace(n, "$1,$2");
            return t + e
        }(e.toFixed(3))
    }
    var zy = function() {
        function i() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, i),
            this.element = document.createElement("div"),
            this.labels = [],
            this.sliders = [],
            this.range = null != e.range ? e.range : [0, 1],
            this.slide = null != e.slide ? e.slide : null,
            this.step = null != e.step ? e.step : 1e-4;
            for (var t = null != e.levels ? e.levels : 1, n = 0; n < t; n++)
                this.addLevel()
        }
        return h(i, [{
            key: "setRange",
            value: function(e) {
                this.range = Q(e);
                var t = this.sliders[0];
                $(t).slider({
                    min: e[0],
                    max: e[1]
                });
                for (var n = 1; n < this.sliders.length; n++) {
                    var i = this.sliders[n - 1]
                      , r = this.sliders[n]
                      , i = Q($(i).slider("option", "values"));
                    $(r).slider({
                        min: i[0],
                        max: i[1]
                    })
                }
                this.updateLabels()
            }
        }, {
            key: "setValues",
            value: function(e) {
                var t, n = ue(this.sliders);
                try {
                    for (n.s(); !(t = n.n()).done; ) {
                        var i = t.value;
                        $(i).slider({
                            values: Q(e)
                        })
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                this.updateLabels()
            }
        }, {
            key: "addLevel",
            value: function() {
                var e, o = this, t = document.createElement("li"), n = document.createTextNode("Range: "), i = document.createElement("span"), r = document.createElement("div"), s = this.sliders.length, a = 0, l = 0;
                l = 0 === this.sliders.length ? (a = (e = N(this.range, 2))[0],
                e[1]) : (e = this.sliders[this.sliders.length - 1],
                a = (e = N($(e).slider("option", "values"), 2))[0],
                e[1]),
                $(r).slider({
                    range: !0,
                    min: a,
                    max: l,
                    step: this.step,
                    values: [a, l],
                    slide: function(e, t) {
                        for (var n, i = o.sliders.length, r = s + 1; r < i; r++) {
                            var a = o.sliders[r];
                            $(a).slider({
                                range: !0,
                                min: t.values[0],
                                max: t.values[1],
                                values: Q(t.values)
                            })
                        }
                        o.slide && (n = Q(t.values),
                        o.slide({
                            target: o,
                            range: o.range,
                            values: n
                        })),
                        o.updateLabels()
                    }
                }),
                t.append(n, i, r),
                this.sliders.push(r),
                this.labels.push(i),
                this.element.append(t),
                this.updateLabels()
            }
        }, {
            key: "removeLevel",
            value: function() {}
        }, {
            key: "updateSliders",
            value: function() {}
        }, {
            key: "updateLabels",
            value: function() {
                for (var e = this.sliders.length, t = 0; t < e; t++) {
                    var n = this.sliders[t]
                      , i = this.labels[t]
                      , r = N($(n).slider("option", "values"), 2)
                      , n = r[0]
                      , r = r[1]
                      , n = Oy(n)
                      , r = Oy(r)
                      , r = "".concat(n, " to ").concat(r);
                    i.innerHTML = r
                }
            }
        }]),
        i
    }()
      , Ny = function() {
        y(i, hn);
        var e = w(i);
        function i(t) {
            var n;
            O(this, i),
            (n = e.call(this)).viewer = t,
            n.renderer = t.renderer,
            n.originalCam = t.scene.getActiveCamera(),
            n.shearCam = t.scene.getActiveCamera().clone(),
            n.shearCam.rotation.set(n.originalCam.rotation.toArray()),
            n.shearCam.updateProjectionMatrix(),
            n.shearCam.updateProjectionMatrix = function() {
                return n.shearCam.projectionMatrix
            }
            ,
            n.image = null,
            n.fadeFactor = 20,
            n.fovDelta = 0,
            n.fovMin = .1,
            n.fovMax = 120,
            n.shear = [0, 0],
            n.elUp = $('<input type="button" value="🡅" style="position: absolute; top: 10px; left: calc(50%); z-index: 1000" />'),
            n.elRight = $('<input type="button" value="🡆" style="position: absolute; top: calc(50%); right: 10px; z-index: 1000" />'),
            n.elDown = $('<input type="button" value="🡇" style="position: absolute; bottom: 10px; left: calc(50%); z-index: 1000" />'),
            n.elLeft = $('<input type="button" value="🡄" style="position: absolute; top: calc(50%); left: 10px; z-index: 1000" />'),
            n.elExit = $('<input type="button" value="Back to 3D view" style="position: absolute; bottom: 10px; right: 10px; z-index: 1000" />'),
            n.elExit.click(function() {
                n.release()
            }),
            n.elUp.click(function() {
                var e = t.getFOV()
                  , e = Math.tan(gn.degToRad(e / 2));
                n.shear[1] += .1 * e
            }),
            n.elRight.click(function() {
                var e = t.getFOV()
                  , e = Math.tan(gn.degToRad(e / 2));
                n.shear[0] += .1 * e
            }),
            n.elDown.click(function() {
                var e = t.getFOV()
                  , e = Math.tan(gn.degToRad(e / 2));
                n.shear[1] -= .1 * e
            }),
            n.elLeft.click(function() {
                var e = t.getFOV()
                  , e = Math.tan(gn.degToRad(e / 2));
                n.shear[0] -= .1 * e
            }),
            n.scene = null,
            n.sceneControls = new gs;
            return n.addEventListener("mousewheel", function(e) {
                n.fovDelta += -e.delta
            }),
            n
        }
        return h(i, [{
            key: "hasSomethingCaptured",
            value: function() {
                return null !== this.image
            }
        }, {
            key: "capture",
            value: function(e) {
                this.hasSomethingCaptured() || (this.image = e,
                this.originalFOV = this.viewer.getFOV(),
                this.originalControls = this.viewer.getControls(),
                this.viewer.setControls(this),
                this.viewer.scene.overrideCamera = this.shearCam,
                e = this.viewer.renderer.domElement,
                e = $(e.parentElement),
                this.shear = [0, 0],
                e.append(this.elUp),
                e.append(this.elRight),
                e.append(this.elDown),
                e.append(this.elLeft),
                e.append(this.elExit))
            }
        }, {
            key: "release",
            value: function() {
                this.image = null,
                this.viewer.scene.overrideCamera = null,
                this.elUp.detach(),
                this.elRight.detach(),
                this.elDown.detach(),
                this.elLeft.detach(),
                this.elExit.detach(),
                this.viewer.setFOV(this.originalFOV),
                this.viewer.setControls(this.originalControls)
            }
        }, {
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "update",
            value: function(e) {
                var t = this.viewer.getFOV()
                  , n = t * (1 + +this.fovDelta / 10)
                  , n = Math.max(this.fovMin, n)
                  , i = (n = Math.min(this.fovMax, n)) / t
                  , r = this.viewer.inputHandler.mouse
                  , a = this.viewer.renderer.getSize(new yn)
                  , t = [r.x / a.x, (a.y - r.y) / a.y]
                  , r = a.x / a.y
                  , a = 2 * Math.tan(gn.degToRad(n / 2))
                  , r = r * a
                  , r = [this.shear[0] - .5 * r, this.shear[0] + .5 * r]
                  , a = [this.shear[1] - .5 * a, this.shear[1] + .5 * a]
                  , i = 1 - i
                  , t = [(1 - i) * this.shear[0] + i * ((1 - t[0]) * r[0] + t[0] * r[1]), (1 - i) * this.shear[1] + i * ((1 - t[1]) * a[0] + t[1] * a[1])];
                this.shear = t,
                this.viewer.setFOV(n);
                a = this.originalCam,
                t = this.shearCam;
                a.fov = n,
                a.updateMatrixWorld(),
                a.updateProjectionMatrix(),
                t.copy(a),
                (n = t.rotation).set.apply(n, Q(a.rotation.toArray())),
                t.updateMatrixWorld(),
                t.projectionMatrix.copy(a.projectionMatrix);
                n = N(this.shear, 2),
                a = n[0],
                n = n[1],
                a = (new ni).set(1, 0, a, 0, 0, 1, n, 0, 0, 0, 1, 0, 0, 0, 0, 1),
                n = t.projectionMatrix;
                n.multiply(a),
                t.projectionMatrixInverse.copy(n).invert();
                t.projectionMatrix.elements.reduce(function(e, t) {
                    return e + t
                }, 0);
                this.fovDelta *= 0
            }
        }]),
        i
    }();
    var Uy = new bu(1,1)
      , Gy = new Sl;
    Gy.vertices.push(new Cn(-.5,-.5,0), new Cn(.5,-.5,0), new Cn(.5,.5,0), new Cn(-.5,.5,0), new Cn(-.5,-.5,0));
    var Hy, Vy, jy, Wy, Xy, qy, Jy, Yy, Zy, Qy, Ky, $y, ew, tw, nw = function() {
        function n(e) {
            O(this, n),
            this.id = e,
            this.fov = 1,
            this.position = new Cn,
            this.rotation = new Cn,
            this.width = 0,
            this.height = 0,
            this.fov = 1;
            var e = ((t = new Qr({
                uniforms: {
                    tColor: {
                        value: new En
                    },
                    uNear: {
                        value: 0
                    },
                    uOpacity: {
                        value: 1
                    }
                },
                vertexShader: "\n\tuniform float uNear;\n\tvarying vec2 vUV;\n\tvarying vec4 vDebug;\n\t\n\tvoid main(){\n\t\tvDebug = vec4(0.0, 1.0, 0.0, 1.0);\n\t\tvec4 modelViewPosition = modelViewMatrix * vec4(position, 1.0);\n\t\t// make sure that this mesh is at least in front of the near plane\n\t\tmodelViewPosition.xyz += normalize(modelViewPosition.xyz) * uNear;\n\t\tgl_Position = projectionMatrix * modelViewPosition;\n\t\tvUV = uv;\n\t}\n\t",
                fragmentShader: "\n\tuniform sampler2D tColor;\n\tuniform float uOpacity;\n\tvarying vec2 vUV;\n\tvarying vec4 vDebug;\n\tvoid main(){\n\t\tvec4 color = texture2D(tColor, vUV);\n\t\tgl_FragColor = color;\n\t\tgl_FragColor.a = uOpacity;\n\t}\n\t",
                side: Y
            })).side = Y,
            t)
              , t = new tl({
                color: 65280
            });
            this.mesh = new Hr(Uy,e),
            this.line = new sl(Gy,t),
            this.texture = null,
            this.mesh.orientedImage = this
        }
        return h(n, [{
            key: "set",
            value: function(e, t, n, i) {
                var r = t.map(gn.degToRad);
                (t = this.position).set.apply(t, Q(e)),
                (t = this.mesh.position).set.apply(t, Q(e)),
                (e = this.rotation).set.apply(e, Q(r)),
                (e = this.mesh.rotation).set.apply(e, Q(r));
                n = N(n, 2);
                this.width = n[0],
                this.height = n[1],
                this.mesh.scale.set(this.width / this.height, 1, 1),
                this.fov = i,
                this.updateTransform()
            }
        }, {
            key: "updateTransform",
            value: function() {
                var e = this.mesh
                  , t = this.line
                  , n = this.fov;
                e.updateMatrixWorld();
                var i = e.getWorldDirection()
                  , n = gn.degToRad(n / 2)
                  , n = -.5 / Math.tan(n)
                  , n = i.clone().multiplyScalar(n);
                e.position.add(n),
                t.position.copy(e.position),
                t.scale.copy(e.scale),
                t.rotation.copy(e.rotation)
            }
        }]),
        n
    }(), iw = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).node = null,
            e.cameraParams = null,
            e.imageParams = null,
            e.images = null,
            e._visible = !0,
            e
        }
        return h(n, [{
            key: "visible",
            get: function() {
                return this._visible
            },
            set: function(e) {
                if (this._visible !== e) {
                    var t, n = ue(this.images);
                    try {
                        for (n.s(); !(t = n.n()).done; ) {
                            var i = t.value;
                            i.mesh.visible = e,
                            i.line.visible = e
                        }
                    } catch (e) {
                        n.e(e)
                    } finally {
                        n.f()
                    }
                    this._visible = e,
                    this.dispatchEvent({
                        type: "visibility_changed",
                        images: this
                    })
                }
            }
        }]),
        n
    }(), pd = function() {
        function k() {
            O(this, k)
        }
        var i, t, n;
        return h(k, null, [{
            key: "loadCameraParams",
            value: (n = r(regeneratorRuntime.mark(function e(t) {
                var n, i, r, a;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            fetch(t);
                        case 2:
                            return n = e.sent,
                            e.next = 5,
                            n.text();
                        case 5:
                            return r = e.sent,
                            i = new DOMParser,
                            a = i.parseFromString(r, "application/xml"),
                            n = parseInt(a.getElementsByTagName("width")[0].textContent),
                            i = parseInt(a.getElementsByTagName("height")[0].textContent),
                            r = parseFloat(a.getElementsByTagName("f")[0].textContent),
                            a = i / 2 / r,
                            a = 2 * gn.radToDeg(Math.atan(a)),
                            a = {
                                path: t,
                                width: n,
                                height: i,
                                f: r,
                                fov: a
                            },
                            e.abrupt("return", a);
                        case 15:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "loadImageParams",
            value: (t = r(regeneratorRuntime.mark(function e(t) {
                var n, i, r, a, o, s, l;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            fetch(t);
                        case 2:
                            if ((n = e.sent).ok) {
                                e.next = 6;
                                break
                            }
                            return console.error("failed to load ".concat(t)),
                            e.abrupt("return");
                        case 6:
                            return e.next = 8,
                            n.text();
                        case 8:
                            l = e.sent,
                            i = l.split(/\r?\n/),
                            r = [],
                            a = 1;
                        case 12:
                            if (!(a < i.length)) {
                                e.next = 24;
                                break
                            }
                            if ((o = i[a]).startsWith("#"))
                                return e.abrupt("continue", 21);
                            e.next = 16;
                            break;
                        case 16:
                            if ((s = o.split(/\s+/)).length < 6)
                                return e.abrupt("continue", 21);
                            e.next = 19;
                            break;
                        case 19:
                            l = {
                                id: s[0],
                                x: Number.parseFloat(s[1]),
                                y: Number.parseFloat(s[2]),
                                z: Number.parseFloat(s[3]),
                                omega: Number.parseFloat(s[4]),
                                phi: Number.parseFloat(s[5]),
                                kappa: Number.parseFloat(s[6])
                            },
                            r.push(l);
                        case 21:
                            a++,
                            e.next = 12;
                            break;
                        case 24:
                            return e.abrupt("return", r);
                        case 25:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e) {
                return t.apply(this, arguments)
            }
            )
        }, {
            key: "load",
            value: (i = r(regeneratorRuntime.mark(function e(t, a, u) {
                var n, o, i, s, l, r, c, d, h, p, f, m, v, g, y, w, b, x, E, _, M, A, T, S, C, P, D;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return n = performance.now(),
                            e.next = 3,
                            Promise.all([k.loadCameraParams(t), k.loadImageParams(a)]);
                        case 3:
                            D = e.sent,
                            C = N(D, 2),
                            o = C[0],
                            i = C[1],
                            s = new Ny(u),
                            l = new sh,
                            D = performance.now(),
                            console.log(D - n),
                            r = o.width,
                            c = o.height,
                            d = [],
                            (h = new Si).name = "oriented_images",
                            p = ue(i);
                            try {
                                for (p.s(); !(f = p.n()).done; )
                                    m = f.value,
                                    v = m.x,
                                    g = m.y,
                                    y = m.z,
                                    w = m.omega,
                                    b = m.phi,
                                    x = m.kappa,
                                    E = new nw(m.id),
                                    _ = [v, g, y],
                                    M = [w, b, x],
                                    A = [r, c],
                                    E.set(_, M, A, o.fov),
                                    h.add(E.mesh),
                                    h.add(E.line),
                                    d.push(E)
                            } catch (e) {
                                p.e(e)
                            } finally {
                                p.f()
                            }
                            return S = T = null,
                            C = function(e) {
                                performance.now();
                                T && T.line.material.color.setRGB(0, 1, 0),
                                e.preventDefault();
                                var t = u.renderer.domElement.getBoundingClientRect()
                                  , n = [e.clientX, e.clientY]
                                  , i = [(n[0] - t.left) / t.width, (n[1] - t.top) / t.height]
                                  , e = B(yn, i)
                                  , n = u.scene.getActiveCamera()
                                  , t = new Cn(2 * e.x - 1,-2 * e.y + 1)
                                  , i = d.map(function(e) {
                                    return e.mesh
                                });
                                l.setFromCamera(t, n);
                                e = l.intersectObjects(i),
                                t = !1;
                                T = 0 < e.length ? ((r = e[0].object.orientedImage).line.material.color.setRGB(1, 0, 0),
                                t = T !== r,
                                r) : null;
                                var r, n = null === S && null !== T;
                                null === S || null !== T && !t || (u.scene.removePolygonClipVolume(S),
                                S = null),
                                (n || t) && (i = T,
                                (r = new $r(e = o.fov,o.width / o.height,1,1e6)).rotation.order = u.scene.getActiveCamera().rotation.order,
                                r.rotation.copy(i.mesh.rotation),
                                t = (n = i.mesh).getWorldDirection(),
                                i = n.position,
                                n = gn.degToRad(e / 2),
                                e = .5 / Math.tan(n),
                                n = i.clone().add(t.clone().multiplyScalar(e)),
                                t = i.clone().sub(n),
                                (new Cn).addVectors(n, t.clone().multiplyScalar(u.getMoveSpeed())),
                                r.position.copy(n),
                                e = new Potree.PolygonClipVolume(r),
                                i = new Hr,
                                t = new Hr,
                                n = new Hr,
                                r = new Hr,
                                i.position.set(-1, -1, 0),
                                t.position.set(1, -1, 0),
                                n.position.set(1, 1, 0),
                                r.position.set(-1, 1, 0),
                                e.markers.push(i, t, n, r),
                                e.initialized = !0,
                                u.scene.addPolygonClipVolume(e),
                                S = e);
                                performance.now()
                            }
                            ,
                            P = function(e) {
                                console.log("move to image " + e.id);
                                var t, n = e.mesh, i = e.position.clone(), r = n.position.clone();
                                u.scene.view.setView(i, r, 500, function() {
                                    s.capture(e)
                                }),
                                null === e.texture && (t = e,
                                r = "".concat(Potree.resourcePath, "/images/loading.jpg"),
                                (new _c).load(r, function(e) {
                                    null === t.texture && (t.texture = e,
                                    t.mesh.material.uniforms.tColor.value = e,
                                    n.material.needsUpdate = !0)
                                }),
                                r = "".concat(a, "/../").concat(t.id),
                                (new _c).load(r, function(e) {
                                    t.texture = e,
                                    t.mesh.material.uniforms.tColor.value = e,
                                    n.material.needsUpdate = !0
                                }))
                            }
                            ,
                            D = function(e) {
                                s.hasSomethingCaptured() || T && P(T)
                            }
                            ,
                            u.renderer.domElement.addEventListener("mousemove", C, !1),
                            u.renderer.domElement.addEventListener("mousedown", D, !1),
                            u.addEventListener("update", function() {
                                var e, t = ue(d);
                                try {
                                    for (t.s(); !(e = t.n()).done; ) {
                                        var n = e.value
                                          , i = (n.mesh.matrixWorld,
                                        n.width / n.height)
                                          , r = u.scene.getActiveCamera()
                                          , a = n.mesh.getWorldPosition(new Cn)
                                          , o = r.position.distanceTo(a)
                                          , s = gn.degToRad(1)
                                          , l = o * Math.tan(s)
                                          , l = Math.max(l, 1);
                                        n.mesh.scale.set(l * i, l, 1),
                                        n.line.scale.set(l * i, l, 1),
                                        n.mesh.material.uniforms.uNear.value = r.near
                                    }
                                } catch (e) {
                                    t.e(e)
                                } finally {
                                    t.f()
                                }
                            }),
                            (D = new iw).node = h,
                            D.cameraParamsPath = t,
                            D.imageParamsPath = a,
                            D.cameraParams = o,
                            D.imageParams = i,
                            D.images = d,
                            Potree.debug.moveToImage = P,
                            e.abrupt("return", D);
                        case 34:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t, n) {
                return i.apply(this, arguments)
            }
            )
        }]),
        k
    }(), rw = {
        Space_Separator: /[\u1680\u2000-\u200A\u202F\u205F\u3000]/,
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        ID_Continue: 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    }, aw = {
        isSpaceSeparator: function(e) {
            return "string" == typeof e && rw.Space_Separator.test(e)
        },
        isIdStartChar: function(e) {
            return "string" == typeof e && ("a" <= e && e <= "z" || "A" <= e && e <= "Z" || "$" === e || "_" === e || rw.ID_Start.test(e))
        },
        isIdContinueChar: function(e) {
            return "string" == typeof e && ("a" <= e && e <= "z" || "A" <= e && e <= "Z" || "0" <= e && e <= "9" || "$" === e || "_" === e || "‌" === e || "‍" === e || rw.ID_Continue.test(e))
        },
        isDigit: function(e) {
            return "string" == typeof e && /[0-9]/.test(e)
        },
        isHexDigit: function(e) {
            return "string" == typeof e && /[0-9A-Fa-f]/.test(e)
        }
    };
    function ow() {
        if (Hy[Wy])
            return String.fromCodePoint(Hy.codePointAt(Wy))
    }
    function sw() {
        var e = ow();
        return "\n" === e ? (Xy++,
        qy = 0) : e ? qy += e.length : qy++,
        e && (Wy += e.length),
        e
    }
    var lw = {
        default: function() {
            switch (tw) {
            case "\t":
            case "\v":
            case "\f":
            case " ":
            case " ":
            case "\ufeff":
            case "\n":
            case "\r":
            case "\u2028":
            case "\u2029":
                return void sw();
            case "/":
                return sw(),
                void (Qy = "comment");
            case void 0:
                return sw(),
                uw("eof")
            }
            if (!aw.isSpaceSeparator(tw))
                return lw[Vy]();
            sw()
        },
        comment: function() {
            switch (tw) {
            case "*":
                return sw(),
                void (Qy = "multiLineComment");
            case "/":
                return sw(),
                void (Qy = "singleLineComment")
            }
            throw mw(sw())
        },
        multiLineComment: function() {
            switch (tw) {
            case "*":
                return sw(),
                void (Qy = "multiLineCommentAsterisk");
            case void 0:
                throw mw(sw())
            }
            sw()
        },
        multiLineCommentAsterisk: function() {
            switch (tw) {
            case "*":
                return void sw();
            case "/":
                return sw(),
                void (Qy = "default");
            case void 0:
                throw mw(sw())
            }
            sw(),
            Qy = "multiLineComment"
        },
        singleLineComment: function() {
            switch (tw) {
            case "\n":
            case "\r":
            case "\u2028":
            case "\u2029":
                return sw(),
                void (Qy = "default");
            case void 0:
                return sw(),
                uw("eof")
            }
            sw()
        },
        value: function() {
            switch (tw) {
            case "{":
            case "[":
                return uw("punctuator", sw());
            case "n":
                return sw(),
                cw("ull"),
                uw("null", null);
            case "t":
                return sw(),
                cw("rue"),
                uw("boolean", !0);
            case "f":
                return sw(),
                cw("alse"),
                uw("boolean", !1);
            case "-":
            case "+":
                return "-" === sw() && (ew = -1),
                void (Qy = "sign");
            case ".":
                return Ky = sw(),
                void (Qy = "decimalPointLeading");
            case "0":
                return Ky = sw(),
                void (Qy = "zero");
            case "1":
            case "2":
            case "3":
            case "4":
            case "5":
            case "6":
            case "7":
            case "8":
            case "9":
                return Ky = sw(),
                void (Qy = "decimalInteger");
            case "I":
                return sw(),
                cw("nfinity"),
                uw("numeric", 1 / 0);
            case "N":
                return sw(),
                cw("aN"),
                uw("numeric", NaN);
            case '"':
            case "'":
                return $y = '"' === sw(),
                Ky = "",
                void (Qy = "string")
            }
            throw mw(sw())
        },
        identifierNameStartEscape: function() {
            if ("u" !== tw)
                throw mw(sw());
            sw();
            var e = dw();
            switch (e) {
            case "$":
            case "_":
                break;
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                if (!aw.isIdStartChar(e))
                    throw gw()
            }
            Ky += e,
            Qy = "identifierName"
        },
        identifierName: function() {
            switch (tw) {
            case "$":
            case "_":
            case "‌":
            case "‍":
                return void (Ky += sw());
            case "\\":
                return sw(),
                void (Qy = "identifierNameEscape")
            }
            if (!aw.isIdContinueChar(tw))
                return uw("identifier", Ky);
            Ky += sw()
        },
        identifierNameEscape: function() {
            if ("u" !== tw)
                throw mw(sw());
            sw();
            var e = dw();
            switch (e) {
            case "$":
            case "_":
            case "‌":
            case "‍":
                break;
            default:
                if (!aw.isIdContinueChar(e))
                    throw gw()
            }
            Ky += e,
            Qy = "identifierName"
        },
        sign: function() {
            switch (tw) {
            case ".":
                return Ky = sw(),
                void (Qy = "decimalPointLeading");
            case "0":
                return Ky = sw(),
                void (Qy = "zero");
            case "1":
            case "2":
            case "3":
            case "4":
            case "5":
            case "6":
            case "7":
            case "8":
            case "9":
                return Ky = sw(),
                void (Qy = "decimalInteger");
            case "I":
                return sw(),
                cw("nfinity"),
                uw("numeric", ew * (1 / 0));
            case "N":
                return sw(),
                cw("aN"),
                uw("numeric", NaN)
            }
            throw mw(sw())
        },
        zero: function() {
            switch (tw) {
            case ".":
                return Ky += sw(),
                void (Qy = "decimalPoint");
            case "e":
            case "E":
                return Ky += sw(),
                void (Qy = "decimalExponent");
            case "x":
            case "X":
                return Ky += sw(),
                void (Qy = "hexadecimal")
            }
            return uw("numeric", 0 * ew)
        },
        decimalInteger: function() {
            switch (tw) {
            case ".":
                return Ky += sw(),
                void (Qy = "decimalPoint");
            case "e":
            case "E":
                return Ky += sw(),
                void (Qy = "decimalExponent")
            }
            if (!aw.isDigit(tw))
                return uw("numeric", ew * Number(Ky));
            Ky += sw()
        },
        decimalPointLeading: function() {
            if (aw.isDigit(tw))
                return Ky += sw(),
                void (Qy = "decimalFraction");
            throw mw(sw())
        },
        decimalPoint: function() {
            switch (tw) {
            case "e":
            case "E":
                return Ky += sw(),
                void (Qy = "decimalExponent")
            }
            return aw.isDigit(tw) ? (Ky += sw(),
            void (Qy = "decimalFraction")) : uw("numeric", ew * Number(Ky))
        },
        decimalFraction: function() {
            switch (tw) {
            case "e":
            case "E":
                return Ky += sw(),
                void (Qy = "decimalExponent")
            }
            if (!aw.isDigit(tw))
                return uw("numeric", ew * Number(Ky));
            Ky += sw()
        },
        decimalExponent: function() {
            switch (tw) {
            case "+":
            case "-":
                return Ky += sw(),
                void (Qy = "decimalExponentSign")
            }
            if (aw.isDigit(tw))
                return Ky += sw(),
                void (Qy = "decimalExponentInteger");
            throw mw(sw())
        },
        decimalExponentSign: function() {
            if (aw.isDigit(tw))
                return Ky += sw(),
                void (Qy = "decimalExponentInteger");
            throw mw(sw())
        },
        decimalExponentInteger: function() {
            if (!aw.isDigit(tw))
                return uw("numeric", ew * Number(Ky));
            Ky += sw()
        },
        hexadecimal: function() {
            if (aw.isHexDigit(tw))
                return Ky += sw(),
                void (Qy = "hexadecimalInteger");
            throw mw(sw())
        },
        hexadecimalInteger: function() {
            if (!aw.isHexDigit(tw))
                return uw("numeric", ew * Number(Ky));
            Ky += sw()
        },
        string: function() {
            switch (tw) {
            case "\\":
                return sw(),
                void (Ky += function() {
                    switch (ow()) {
                    case "b":
                        return sw(),
                        "\b";
                    case "f":
                        return sw(),
                        "\f";
                    case "n":
                        return sw(),
                        "\n";
                    case "r":
                        return sw(),
                        "\r";
                    case "t":
                        return sw(),
                        "\t";
                    case "v":
                        return sw(),
                        "\v";
                    case "0":
                        if (sw(),
                        aw.isDigit(ow()))
                            throw mw(sw());
                        return "\0";
                    case "x":
                        return sw(),
                        function() {
                            var e = ""
                              , t = ow();
                            if (!aw.isHexDigit(t))
                                throw mw(sw());
                            if (e += sw(),
                            t = ow(),
                            aw.isHexDigit(t))
                                return e += sw(),
                                String.fromCodePoint(parseInt(e, 16));
                            throw mw(sw())
                        }();
                    case "u":
                        return sw(),
                        dw();
                    case "\n":
                    case "\u2028":
                    case "\u2029":
                        return sw(),
                        "";
                    case "\r":
                        return sw(),
                        "\n" === ow() && sw(),
                        "";
                    case "1":
                    case "2":
                    case "3":
                    case "4":
                    case "5":
                    case "6":
                    case "7":
                    case "8":
                    case "9":
                    case void 0:
                        throw mw(sw())
                    }
                    return sw()
                }());
            case '"':
                return $y ? (sw(),
                uw("string", Ky)) : void (Ky += sw());
            case "'":
                return $y ? void (Ky += sw()) : (sw(),
                uw("string", Ky));
            case "\n":
            case "\r":
                throw mw(sw());
            case "\u2028":
            case "\u2029":
                e = tw,
                console.warn("JSON5: '".concat(yw(e), "' in strings is not valid ECMAScript; consider escaping"));
                break;
            case void 0:
                throw mw(sw())
            }
            var e;
            Ky += sw()
        },
        start: function() {
            switch (tw) {
            case "{":
            case "[":
                return uw("punctuator", sw())
            }
            Qy = "value"
        },
        beforePropertyName: function() {
            switch (tw) {
            case "$":
            case "_":
                return Ky = sw(),
                void (Qy = "identifierName");
            case "\\":
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            case "}":
                return uw("punctuator", sw());
            case '"':
            case "'":
                return $y = '"' === sw(),
                void (Qy = "string")
            }
            if (aw.isIdStartChar(tw))
                return Ky += sw(),
                void (Qy = "identifierName");
            throw mw(sw())
        },
        afterPropertyName: function() {
            if (":" === tw)
                return uw("punctuator", sw());
            throw mw(sw())
        },
        beforePropertyValue: function() {
            Qy = "value"
        },
        afterPropertyValue: function() {
            switch (tw) {
            case ",":
            case "}":
                return uw("punctuator", sw())
            }
            throw mw(sw())
        },
        beforeArrayValue: function() {
            if ("]" === tw)
                return uw("punctuator", sw());
            Qy = "value"
        },
        afterArrayValue: function() {
            switch (tw) {
            case ",":
            case "]":
                return uw("punctuator", sw())
            }
            throw mw(sw())
        },
        end: function() {
            throw mw(sw())
        }
    };
    function uw(e, t) {
        return {
            type: e,
            value: t,
            line: Xy,
            column: qy
        }
    }
    function cw(e) {
        var t, n = ue(e);
        try {
            for (n.s(); !(t = n.n()).done; ) {
                var i = t.value;
                if (ow() !== i)
                    throw mw(sw());
                sw()
            }
        } catch (e) {
            n.e(e)
        } finally {
            n.f()
        }
    }
    function dw() {
        for (var e = "", t = 4; 0 < t--; ) {
            var n = ow();
            if (!aw.isHexDigit(n))
                throw mw(sw());
            e += sw()
        }
        return String.fromCodePoint(parseInt(e, 16))
    }
    var hw = {
        start: function() {
            if ("eof" === Jy.type)
                throw vw();
            pw()
        },
        beforePropertyName: function() {
            switch (Jy.type) {
            case "identifier":
            case "string":
                return Yy = Jy.value,
                void (Vy = "afterPropertyName");
            case "punctuator":
                return void fw();
            case "eof":
                throw vw()
            }
        },
        afterPropertyName: function() {
            if ("eof" === Jy.type)
                throw vw();
            Vy = "beforePropertyValue"
        },
        beforePropertyValue: function() {
            if ("eof" === Jy.type)
                throw vw();
            pw()
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        beforeArrayValue: function() {
            if ("eof" === Jy.type)
                throw vw();
            ("punctuator" !== Jy.type || "]" !== Jy.value ? pw : fw)()
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        afterPropertyValue: function() {
            if ("eof" === Jy.type)
                throw vw();
            switch (Jy.value) {
            case ",":
                return void (Vy = "beforePropertyName");
            case "}":
                fw()
            }
        },
        afterArrayValue: function() {
            if ("eof" === Jy.type)
                throw vw();
            switch (Jy.value) {
            case ",":
                return void (Vy = "beforeArrayValue");
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                fw()
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        },
        end: function() {}
    };
    function pw() {
        var e, t;
        switch (Jy.type) {
        case "punctuator":
            switch (Jy.value) {
            case "{":
                e = {};
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            case "[":
                e = []
            }
            break;
        case "null":
        case "boolean":
        case "numeric":
        case "string":
            e = Jy.value
        }
        void 0 === Zy ? Zy = e : (t = jy[jy.length - 1],
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    }
    function fw() {
        jy.pop();
        var e = jy[jy.length - 1];
        Vy = null == e ? "end" : Array.isArray(e) ? "afterArrayValue" : "afterPropertyValue"
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    function mw(e) {
        return ww((void 0 === e ? "JSON5: invalid end of input at " : "JSON5: invalid character '".concat(yw(e), "' at ")).concat(Xy, ":").concat(qy))
    }
    function vw() {
        return ww("JSON5: invalid end of input at ".concat(Xy, ":").concat(qy))
    }
    function gw() {
        return qy -= 5,
        ww("JSON5: invalid identifier character at ".concat(Xy, ":").concat(qy))
    }
    function yw(e) {
        var t = {
            "'": "\\'",
            '"': '\\"',
            "\\": "\\\\",
            "\b": "\\b",
            "\f": "\\f",
            "\n": "\\n",
            "\r": "\\r",
            "\t": "\\t",
            "\v": "\\v",
            "\0": "\\0",
            "\u2028": "\\u2028",
            "\u2029": "\\u2029"
        };
        if (t[e])
            return t[e];
        if (e < " ") {
            t = e.charCodeAt(0).toString(16);
            return "\\x" + ("00" + t).substring(t.length)
        }
        return e
    }
    function ww(e) {
        e = new SyntaxError(e);
        return e.lineNumber = Xy,
        e.columnNumber = qy,
        e
    }
    var bw, xw = {
        parse: function(e, t) {
            for (Hy = String(e),
            Vy = "start",
            jy = [],
            Xy = 1,
            Zy = Yy = Jy = void (qy = Wy = 0); Jy = function() {
                for (Qy = "default",
                Ky = "",
                $y = !1,
                ew = 1; ; ) {
                    tw = ow();
                    var e = lw[Qy]();
                    if (e)
                        return e
                }
            }(),
            hw[Vy](),
            "eof" !== Jy.type; )
                ;
            return "function" == typeof t ? function e(t, n, i) {
                var r = t[n];
                if (null != r && "object" === X(r))
                    for (var a in r) {
                        var o = e(r, a, i);
                        void 0 === o ? delete r[a] : r[a] = o
                    }
                return i.call(t, n, r)
            }({
                "": Zy
            }, "", t) : Zy
        },
        stringify: function(e, t, n) {
            var i, l, c = [], d = "", h = "";
            if (null == t || "object" !== X(t) || Array.isArray(t) || (n = t.space,
            l = t.quote,
            t = t.replacer),
            "function" == typeof t)
                i = t;
            else if (Array.isArray(t)) {
                var r, p = [], a = ue(t);
                try {
                    for (a.s(); !(r = a.n()).done; ) {
                        var o = r.value
                          , s = void 0;
                        "string" == typeof o ? s = o : ("number" == typeof o || o instanceof String || o instanceof Number) && (s = String(o)),
                        void 0 !== s && p.indexOf(s) < 0 && p.push(s)
                    }
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
            }
            return n instanceof Number ? n = Number(n) : n instanceof String && (n = String(n)),
            "number" == typeof n ? 0 < n && (n = Math.min(10, Math.floor(n)),
            h = "          ".substr(0, n)) : "string" == typeof n && (h = n.substr(0, 10)),
            f("", {
                "": e
            });
            function f(e, t) {
                var n = t[e];
                switch (null != n && ("function" == typeof n.toJSON5 ? n = n.toJSON5(e) : "function" == typeof n.toJSON && (n = n.toJSON(e))),
                (n = i ? i.call(t, e, n) : n)instanceof Number ? n = Number(n) : n instanceof String ? n = String(n) : n instanceof Boolean && (n = n.valueOf()),
                n) {
                case null:
                    return "null";
                case !0:
                    return "true";
                case !1:
                    return "false"
                }
                return "string" == typeof n ? m(n) : "number" == typeof n ? String(n) : "object" === X(n) ? (Array.isArray(n) ? function(e) {
                    if (0 <= c.indexOf(e))
                        throw TypeError("Converting circular structure to JSON5");
                    c.push(e);
                    var t = d;
                    d += h;
                    for (var n = [], i = 0; i < e.length; i++) {
                        var r = f(String(i), e);
                        n.push(void 0 !== r ? r : "null")
                    }
                    {
                        var a;
                        a = 0 === n.length ? "[]" : "" === h ? "[" + n.join(",") + "]" : (a = ",\n" + d,
                        a = n.join(a),
                        "[\n" + d + a + ",\n" + t + "]")
                    }
                    return c.pop(),
                    d = t,
                    a
                }
                : function(e) {
                    if (0 <= c.indexOf(e))
                        throw TypeError("Converting circular structure to JSON5");
                    c.push(e);
                    var t = d;
                    d += h;
                    var n, i, r = p || Object.keys(e), a = [], o = ue(r);
                    try {
                        for (o.s(); !(n = o.n()).done; ) {
                            var s, l = n.value, u = f(l, e);
                            void 0 !== u && (s = function(e) {
                                if (0 === e.length)
                                    return m(e);
                                var t = String.fromCodePoint(e.codePointAt(0));
                                if (!aw.isIdStartChar(t))
                                    return m(e);
                                for (var n = t.length; n < e.length; n++)
                                    if (!aw.isIdContinueChar(String.fromCodePoint(e.codePointAt(n))))
                                        return m(e);
                                return e
                            }(l) + ":",
                            "" !== h && (s += " "),
                            s += u,
                            a.push(s))
                        }
                    } catch (e) {
                        o.e(e)
                    } finally {
                        o.f()
                    }
                    i = 0 === a.length ? "{}" : "" === h ? "{" + (i = a.join(",")) + "}" : (r = ",\n" + d,
                    i = a.join(r),
                    "{\n" + d + i + ",\n" + t + "}");
                    return c.pop(),
                    d = t,
                    i
                }
                )(n) : void 0
            }
            function m(e) {
                for (var n = {
                    "'": .1,
                    '"': .2
                }, t = {
                    "'": "\\'",
                    '"': '\\"',
                    "\\": "\\\\",
                    "\b": "\\b",
                    "\f": "\\f",
                    "\n": "\\n",
                    "\r": "\\r",
                    "\t": "\\t",
                    "\v": "\\v",
                    "\0": "\\0",
                    "\u2028": "\\u2028",
                    "\u2029": "\\u2029"
                }, i = "", r = 0; r < e.length; r++) {
                    var a, o = e[r];
                    switch (o) {
                    case "'":
                    case '"':
                        n[o]++,
                        i += o;
                        continue;
                    case "\0":
                        if (aw.isDigit(e[r + 1])) {
                            i += "\\x00";
                            continue
                        }
                    }
                    t[o] ? i += t[o] : i += o < " " ? "\\x" + ("00" + (a = o.charCodeAt(0).toString(16))).substring(a.length) : o
                }
                var s = l || Object.keys(n).reduce(function(e, t) {
                    return n[e] < n[t] ? e : t
                });
                return s + (i = i.replace(new RegExp(s,"g"), t[s])) + s
            }
        }
    }, Ew = function() {
        function t(e) {
            O(this, t),
            this.viewer = e,
            this.measuringTool = e.measuringTool,
            this.profileTool = e.profileTool,
            this.volumeTool = e.volumeTool,
            this.dom = $("#sidebar_root")
        }
        return h(t, [{
            key: "createToolIcon",
            value: function(e, t, n) {
                t = $('\n\t\t\t<img src="'.concat(e, '"\n\t\t\t\tstyle="width: 32px; height: 32px"\n\t\t\t\tclass="button-icon"\n\t\t\t\tdata-i18n="').concat(t, '" />\n\t\t'));
                return t.click(n),
                t
            }
        }, {
            key: "init",
            value: function() {
                "merge" == Potree.settings.editType ? (this.initMergeBar(),
                this.initToolbar(),
                this.initScene(),
                this.initNavigation()) : (this.initAccordion(),
                this.initAppearance(),
                this.initToolbar(),
                this.initScene(),
                this.initNavigation(),
                this.initFilters(),
                this.initClippingTool(),
                this.initSettings(),
                "pano" != Potree.settings.editType ? (this.initAlignment(),
                this.initClipModel(),
                this.initSiteModel(),
                this.initParitcle()) : this.initPanosEdit()),
                $("#potree_version_number").html(Potree.version.major + "." + Potree.version.minor + Potree.version.suffix)
            }
        }, {
            key: "initAlignment",
            value: function() {
                function e(n, i) {
                    return function() {
                        var e = $('#alignment li[name="selectPointCloud"] input:checked');
                        Array.from(e).forEach(function(t) {
                            var e = viewer.scene.pointclouds.find(function(e) {
                                return e.name == t.name
                            });
                            n(e, i)
                        })
                    }
                }
                var t = viewer.modules.Alignment
                  , n = $("#alignment")
                  , i = n.find('[name="transform"] button');
                i.eq(0).on("click", e(t.rotate, 10)),
                i.eq(1).on("click", e(t.rotate, 1)),
                i.eq(2).on("click", e(t.rotate, .1)),
                i.eq(3).on("click", e(t.rotate, -10)),
                i.eq(4).on("click", e(t.rotate, -1)),
                i.eq(5).on("click", e(t.rotate, -.1)),
                i.eq(6).on("click", e(t.translate, new Cn(-1,0,0))),
                i.eq(7).on("click", e(t.translate, new Cn(1,0,0))),
                i.eq(8).on("click", e(t.translate, new Cn(0,-1,0))),
                i.eq(9).on("click", e(t.translate, new Cn(0,1,0))),
                i.eq(10).on("click", e(t.translate, new Cn(0,0,-1))),
                i.eq(11).on("click", e(t.translate, new Cn(0,0,1))),
                n.find("#startAlignment").on("click", function() {
                    t.enter()
                }),
                n.find("#exitAlignment").on("click", function() {
                    t.save(),
                    t.leave()
                }),
                n.find("#rotTool").on("click", function() {
                    t.switchHandle("rotate")
                }),
                n.find("#moveTool").on("click", function() {
                    t.switchHandle("translate")
                })
            }
        }, {
            key: "initMergeBar",
            value: function() {
                var e = $("#mergeModel")
                  , t = (e.find("button"),
                viewer.modules.MergeEditor)
                  , r = !1;
                e.find('ul[name="model"] li button').on("click", function(e) {
                    if (r)
                        return console.log("还在加载", r);
                    var t, n = $(e.target), i = n.parent().attr("name");
                    if ("select" == n.attr("name"))
                        return Potree.selectModel(i);
                    "添加" == n.text() ? (t = Date.now(),
                    Potree.addModel(i, function() {
                        r = !1,
                        n.text("删除");
                        var e = Date.now();
                        console.log("加载完毕", i, "用时", (e - t) / 1e3, "s")
                    }),
                    r = i) : (Potree.removeModel(i),
                    n.text("添加"))
                }),
                e.find('li button[name="splitScreen"]').on("click", function(e) {
                    e = $(e.target);
                    "分屏" == e.text() ? (e.text("恢复"),
                    t.enterSplit()) : (e.text("分屏"),
                    t.leaveSplit())
                });
                e.find('li button[name="tag"]').on("click", function(e) {
                    $(e.target);
                    viewer.tagTool.startInsertion()
                })
            }
        }, {
            key: "addAlignmentButton",
            value: function(e) {
                var t = $('#alignment li[name="selectPointCloud"]>div')
                  , e = $(' <input name="'.concat(e.name, '" class="editCheckbox" type="checkbox" >\n                          \n                         <label for="showingLabels">').concat(e.name, "</label>"));
                t.append(e)
            }
        }, {
            key: "initClipModel",
            value: function() {
                var e = viewer.modules.Clip
                  , t = $("#clipModel").find("button");
                t.eq(0).on("click", e.enter.bind(e)),
                t.eq(1).on("click", e.download.bind(e)),
                t.eq(2).on("click", e.leave.bind(e))
            }
        }, {
            key: "initSiteModel",
            value: function() {
                var e = viewer.modules.SiteModel
                  , t = $("#siteModel");
                t.find('button[name="start"] ').on("click", e.enter.bind(e)),
                t.find('button[name="exit"] ').on("click", e.leave.bind(e)),
                t.find('button[name="building"] ').on("click", e.startInsertion.bind(e, "building")),
                t.find('button[name="floor"] ').on("click", function() {
                    e.addFloor(e.buildings[0], "top")
                }),
                t.find('button[name="room"] ').on("click", function() {
                    e.startInsertion("room", e.buildings[0].buildChildren[0])
                }),
                t.find('button[name="digHole"] ').on("click", function() {
                    e.selected && e.startInsertion("hole", e.selected)
                }),
                t.find('button[name="selectBuilding"] ').on("click", function() {
                    e.selectEntity(e.buildings[0])
                }),
                t.find('button[name="selectFloor"] ').on("click", function() {
                    e.selectEntity(e.buildings[0].buildChildren[0])
                }),
                t.find('button[name="selectRoom"] ').on("click", function() {
                    e.selectEntity(e.buildings[0].buildChildren[0].buildChildren[0])
                }),
                t.find('button[name="removeFirstBuilding"] ').on("click", function() {
                    e.removeEntity(e.buildings[0])
                }),
                t.find('button[name="removeFirstFloor"] ').on("click", function() {
                    e.removeEntity(e.buildings[0].buildChildren[0])
                }),
                t.find('button[name="removeFirstRoom"] ').on("click", function() {
                    e.removeEntity(e.buildings[0].buildChildren[0].buildChildren[0])
                }),
                t.find('button[name="removeFirstHole"] ').on("click", function() {
                    e.selected.removeHole(e.selected.holes[0])
                }),
                t.find('button[name="removeFirstMarker"] ').on("click", function() {
                    e.selected.removeMarker(0)
                })
            }
        }, {
            key: "initParitcle",
            value: function() {
                var e = viewer.modules.ParticleEditor
                  , t = $("#particle");
                t.find('button[name="addFire"] ').on("click", function() {
                    e.startInsertion("fire+smoke")
                }),
                t.find('button[name="addExplode"] ').on("click", function() {
                    e.startInsertion("explode")
                })
            }
        }, {
            key: "initPanosEdit",
            value: function() {
                var e = viewer.modules.PanoEditor
                  , t = viewer.modules.Alignment
                  , n = $("#panos");
                n.find('button[name="save"] ').on("click", function() {
                    console.log("saveData", e.exportSavingData())
                }),
                n.find('button[name="translate"] ').on("click", function() {
                    t.switchHandle("translate")
                }),
                n.find('button[name="rotate"] ').on("click", function() {
                    t.switchHandle("rotate")
                }),
                n.find('button[name="topView"] ').on("click", function() {
                    e.switchView("top")
                }),
                n.find('button[name="sideView"] ').on("click", function() {
                    e.switchView("right")
                }),
                n.find('button[name="3DView"] ').on("click", function() {
                    e.switchView("mainView")
                }),
                n.find('button[name="addLink"] ').on("click", function() {
                    e.setLinkOperateState("addLink", !0)
                }),
                n.find('button[name="removeLink"] ').on("click", function() {
                    e.setLinkOperateState("removeLink", !0)
                }),
                n.find('button[name="getCloser"] ').on("click", function() {
                    e.setZoomInState(!0)
                })
            }
        }, {
            key: "initToolbar",
            value: function() {
                var n = this
                  , e = $("#tools");
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/angle.png", "[title]tt.angle_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !1,
                        showAngles: !0,
                        showArea: !1,
                        closed: !0,
                        maxMarkers: 3,
                        minMarkers: 3,
                        measureType: "Angle"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/point.svg", "[title]tt.point_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !1,
                        showAngles: !1,
                        showCoordinates: !0,
                        showEdges: !1,
                        showArea: !1,
                        closed: !0,
                        maxMarkers: 1,
                        minMarkers: 1,
                        measureType: "Point"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/distance.svg", "[title]tt.distance_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !1,
                        closed: !1,
                        minMarkers: 2,
                        maxMarkers: 2,
                        measureType: "Distance"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/height.svg", "[title]tt.height_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showHeight: !0,
                        showArea: !1,
                        closed: !1,
                        maxMarkers: 2,
                        minMarkers: 2,
                        measureType: "Ver Distance"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/circle.svg", "[title]tt.circle_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !1,
                        showHeight: !1,
                        showArea: !1,
                        showCircle: !0,
                        showEdges: !1,
                        closed: !1,
                        maxMarkers: 3,
                        minMarkers: 3,
                        measureType: "Circle"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/azimuth.svg", "Azimuth", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !1,
                        showHeight: !1,
                        showArea: !1,
                        showCircle: !1,
                        showEdges: !1,
                        showAzimuth: !0,
                        closed: !1,
                        maxMarkers: 2,
                        minMarkers: 2,
                        measureType: "Azimuth"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.area_measurement", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 3,
                        measureType: "Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.Hor Area", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 3,
                        measureType: "Hor Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.Ver Area", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 3,
                        measureType: "Ver Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.area_freedom_rect", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 4,
                        maxMarkers: 4,
                        isRect: !0,
                        measureType: "Rect Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.area_horizontal_rect", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 4,
                        maxMarkers: 4,
                        isRect: !0,
                        faceDirection: "horizontal",
                        measureType: "Hor Rect Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/area.svg", "[title]tt.area_vertical_rect", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.measuringTool.startInsertion({
                        showDistances: !0,
                        showArea: !0,
                        closed: !0,
                        minMarkers: 4,
                        maxMarkers: 4,
                        isRect: !0,
                        faceDirection: "vertical",
                        measureType: "Ver Rect Area"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/volume.svg", "[title]tt.volume_measurement", function() {
                    var t = n.volumeTool.startInsertion()
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/sphere_distances.svg", "[title]tt.volume_measurement", function() {
                    var t = n.volumeTool.startInsertion({
                        type: Qp
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/profile.svg", "[title]tt.height_profile", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.profileTool.startInsertion()
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/annotation.svg", "[title]tt.annotation", function() {
                    $("#menu_measurements").next().slideDown();
                    var t = n.viewer.annotationTool.startInsertion()
                      , e = $("#jstree_scene").jstree().get_json("annotations").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/reset_tools.svg", "[title]tt.remove_all_measurement", function() {
                    n.viewer.scene.removeAllMeasurements()
                }));
                var t = $("#measurement_options_show");
                t.selectgroup({
                    title: "Show/Hide labels"
                }),
                t.find("input").click(function(e) {
                    e = "SHOW" === e.target.value;
                    n.measuringTool.showLabels = e
                });
                e = this.measuringTool.showLabels ? "SHOW" : "HIDE";
                t.find("input[value=".concat(e, "]")).trigger("click")
            }
        }, {
            key: "initScene",
            value: function() {
                var u = this
                  , e = $("#menu_scene")
                  , t = e.next().find("#scene_objects")
                  , n = e.next().find("#scene_object_properties")
                  , i = e.next().find("#scene_export")
                  , r = "".concat(Potree.resourcePath, "/icons/file_geojson.svg")
                  , a = "".concat(Potree.resourcePath, "/icons/file_dxf.svg")
                  , e = "".concat(Potree.resourcePath, "/icons/file_potree.svg");
                i.append('\n\t\t\t\tExport: <br>\n\t\t\t\t<a href="#" download="measure.json"><img name="geojson_export_button" src="'.concat(r, '" class="button-icon" style="height: 24px" /></a>\n\t\t\t\t<a href="#" download="measure.dxf"><img name="dxf_export_button" src="').concat(a, '" class="button-icon" style="height: 24px" /></a>\n\t\t\t\t<a href="#" download="potree.json5"><img name="potree_export_button" src="').concat(e, '" class="button-icon" style="height: 24px" /></a>\n\t\t\t'));
                var o = i.find("img[name=geojson_export_button]").parent();
                o.click(function(e) {
                    var t = u.viewer.scene
                      , t = [].concat(Q(t.measurements), Q(t.profiles), Q(t.volumes));
                    0 < t.length ? (t = Ey.toString(t),
                    t = window.URL.createObjectURL(new Blob([t],{
                        type: "data:application/octet-stream"
                    })),
                    o.attr("href", t)) : (u.viewer.postError("nothing to export"),
                    e.preventDefault())
                });
                var s = i.find("img[name=dxf_export_button]").parent();
                s.click(function(e) {
                    var t = u.viewer.scene
                      , t = [].concat(Q(t.measurements), Q(t.profiles), Q(t.volumes));
                    0 < t.length ? (t = _y.toString(t),
                    t = window.URL.createObjectURL(new Blob([t],{
                        type: "data:application/octet-stream"
                    })),
                    s.attr("href", t)) : (u.viewer.postError("no measurements to export"),
                    e.preventDefault())
                });
                var l = i.find("img[name=potree_export_button]").parent();
                l.click(function(e) {
                    var t = Potree.saveProject(u.viewer)
                      , t = xw.stringify(t, null, "\t")
                      , t = window.URL.createObjectURL(new Blob([t],{
                        type: "data:application/octet-stream"
                    }));
                    l.attr("href", t)
                });
                var c = new Iy(n,this.viewer);
                c.setScene(this.viewer.scene),
                localStorage.removeItem("jstree");
                var d = $('<div id="jstree_scene"></div>');
                t.append(d),
                d.jstree({
                    plugins: ["checkbox", "state"],
                    core: {
                        dblclick_toggle: !1,
                        state: {
                            checked: !0
                        },
                        check_callback: !0,
                        expand_selected_onload: !0
                    },
                    checkbox: {
                        keep_selected_style: !0,
                        three_state: !1,
                        whole_node: !1,
                        tie_selection: !1
                    }
                });
                var h = function(e, t, n, i) {
                    n = d.jstree("create_node", e, {
                        text: t,
                        icon: n,
                        data: i
                    }, "last", !1, !1);
                    return i.visible ? d.jstree("check_node", n) : d.jstree("uncheck_node", n),
                    n
                }
                  , p = d.jstree("create_node", "#", {
                    text: "<b>Point Clouds</b>",
                    id: "pointclouds"
                }, "last", !1, !1)
                  , f = d.jstree("create_node", "#", {
                    text: "<b>Measurements</b>",
                    id: "measurements"
                }, "last", !1, !1)
                  , n = d.jstree("create_node", "#", {
                    text: "<b>Annotations</b>",
                    id: "annotations"
                }, "last", !1, !1)
                  , m = d.jstree("create_node", "#", {
                    text: "<b>Other</b>",
                    id: "other"
                }, "last", !1, !1)
                  , t = d.jstree("create_node", "#", {
                    text: "<b>Vectors</b>",
                    id: "vectors"
                }, "last", !1, !1)
                  , v = d.jstree("create_node", "#", {
                    text: "<b> Images</b>",
                    id: "images"
                }, "last", !1, !1);
                d.jstree("check_node", p),
                d.jstree("check_node", f),
                d.jstree("check_node", n),
                d.jstree("check_node", m),
                d.jstree("check_node", t),
                d.jstree("check_node", v),
                d.on("create_node.jstree", function(e, t) {
                    d.jstree("open_all")
                }),
                d.on("select_node.jstree", function(e, t) {
                    t = t.node.data;
                    c.set(t),
                    u.viewer.inputHandler.deselectAll(),
                    t instanceof Yp && u.viewer.inputHandler.toggleSelection(t),
                    $(u.viewer.renderer.domElement).focus()
                }),
                d.on("deselect_node.jstree", function(e, t) {
                    c.set(null)
                }),
                d.on("delete_node.jstree", function(e, t) {
                    c.set(null)
                }),
                d.on("dblclick", ".jstree-anchor", function(e) {
                    var t, n, i, r, a, o, s, l = $.jstree.reference(e.target).get_node(e.target).data;
                    e.target.classList.contains("jstree-checkbox") || (l instanceof xm ? (e = u.viewer.getBoundingBox([l]),
                    (t = new Si).boundingBox = e,
                    u.viewer.zoomTo(t, 1, 500)) : l instanceof Wf ? (n = l.points.map(function(e) {
                        return e.position
                    }),
                    0 == (t = (new kn).setFromPoints(n)).getSize(new Cn).length() && (t.min = t.max.clone(),
                    t.expandByVector(new Cn(1,1,1))),
                    (n = new Si).boundingBox = t,
                    u.viewer.zoomTo(n, 2, 500)) : l instanceof Kp ? (n = l.points,
                    0 < (n = (new kn).setFromPoints(n)).getSize(new Cn).length() && ((i = new Si).boundingBox = n,
                    u.viewer.zoomTo(i, 1, 500))) : l instanceof Yp ? 0 < (i = l.boundingBox.clone().applyMatrix4(l.matrixWorld)).getSize(new Cn).length() && ((r = new Si).boundingBox = i,
                    u.viewer.zoomTo(r, 1, 500)) : l instanceof Kf ? l.moveHere(u.viewer.scene.getActiveCamera()) : l instanceof qf ? (r = l.camera.getWorldDirection(new Cn),
                    l.camera instanceof ed ? (r.multiplyScalar(l.camera.right),
                    a = (new Cn).addVectors(l.camera.position, r),
                    u.viewer.setCameraMode(em.ORTHOGRAPHIC)) : l.camera instanceof $r && (r.multiplyScalar(u.viewer.scene.view.radius),
                    a = (new Cn).addVectors(l.camera.position, r),
                    u.viewer.setCameraMode(em.PERSPECTIVE)),
                    u.viewer.scene.view.position.copy(l.camera.position),
                    u.viewer.scene.view.lookAt(a)) : "SpotLight" === l.type ? (o = 0 < l.distance ? l.distance / 4 : 5e3,
                    s = l.position,
                    s = (new Cn).addVectors(s, l.getWorldDirection(new Cn).multiplyScalar(o)),
                    u.viewer.scene.view.position.copy(l.position),
                    u.viewer.scene.view.lookAt(s)) : l instanceof Si ? 0 < (o = (new kn).setFromObject(l)).getSize(new Cn).length() && ((s = new Si).boundingBox = o,
                    u.viewer.zoomTo(s, 1, 500)) : l instanceof nw || l instanceof ly || Geopackage)
                }),
                d.on("uncheck_node.jstree", function(e, t) {
                    t = t.node.data;
                    t && (t.visible = !1)
                }),
                d.on("check_node.jstree", function(e, t) {
                    t = t.node.data;
                    t && (t.visible = !0)
                });
                function g(e) {
                    var t = e.pointcloud
                      , e = "".concat(Potree.resourcePath, "/icons/cloud.svg")
                      , n = h(p, t.name, e, t);
                    t.addEventListener("visibility_changed", function() {
                        t.visible ? d.jstree("check_node", n) : d.jstree("uncheck_node", n)
                    })
                }
                function y(e) {
                    var t = e.measurement
                      , e = Jf.getMeasurementIcon(t);
                    h(f, t.name, e, t)
                }
                function w(e) {
                    var t = e.volume
                      , e = Jf.getMeasurementIcon(t)
                      , n = h(f, t.name, e, t);
                    t.addEventListener("visibility_changed", function() {
                        t.visible ? d.jstree("check_node", n) : d.jstree("uncheck_node", n)
                    })
                }
                function b(e) {
                    var t = e.profile
                      , e = Jf.getMeasurementIcon(t);
                    h(f, t.name, e, t)
                }
                function x(e) {
                    var t = e.animation
                      , e = "".concat(Potree.resourcePath, "/icons/camera_animation.svg");
                    h(m, "animation", e, t)
                }
                function E(e) {
                    var t = e.images
                      , e = "".concat(Potree.resourcePath, "/icons/picture.svg")
                      , n = h(v, "images", e, t);
                    t.addEventListener("visibility_changed", function() {
                        t.visible ? d.jstree("check_node", n) : d.jstree("uncheck_node", n)
                    })
                }
                function _(e) {
                    var t = e.images
                      , e = "".concat(Potree.resourcePath, "/icons/picture.svg")
                      , n = h(v, "360° images", e, t);
                    t.addEventListener("visibility_changed", function() {
                        t.visible ? d.jstree("check_node", n) : d.jstree("uncheck_node", n)
                    })
                }
                function M(e) {
                    var t, e = e.geopackage, n = "".concat(Potree.resourcePath, "/icons/triangle.svg"), i = $("#jstree_scene"), r = ue(e.node.children);
                    try {
                        for (r.s(); !(t = r.n()).done; ) {
                            var a = t.value
                              , o = a.name
                              , s = i.jstree("create_node", "vectors", {
                                text: o,
                                icon: n,
                                object: a,
                                data: a
                            }, "last", !1, !1);
                            i.jstree(a.visible ? "check_node" : "uncheck_node", s)
                        }
                    } catch (e) {
                        r.e(e)
                    } finally {
                        r.f()
                    }
                }
                this.viewer.scene.addEventListener("pointcloud_added", g),
                this.viewer.scene.addEventListener("measurement_added", y),
                this.viewer.scene.addEventListener("profile_added", b),
                this.viewer.scene.addEventListener("volume_added", w),
                this.viewer.scene.addEventListener("camera_animation_added", x),
                this.viewer.scene.addEventListener("oriented_images_added", E),
                this.viewer.scene.addEventListener("360_images_added", _),
                this.viewer.scene.addEventListener("geopackage_added", M),
                this.viewer.scene.addEventListener("polygon_clip_volume_added", w),
                this.viewer.scene.annotations.addEventListener("annotation_added", function(e) {
                    var n = e.annotation
                      , t = "".concat(Potree.resourcePath, "/icons/annotation.svg")
                      , e = u.annotationMapping.get(n.parent)
                      , t = h(e, n.title, t, n);
                    u.annotationMapping.set(n, t),
                    n.addEventListener("annotation_changed", function(e) {
                        var t = $("#jstree_scene").jstree().get_json("annotations").children.find(function(e) {
                            return e.data.uuid === n.uuid
                        });
                        $.jstree.reference(t.id).rename_node(t.id, n.title)
                    })
                });
                function A(t) {
                    var e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.measurement.uuid
                    });
                    d.jstree("delete_node", e.id)
                }
                this.viewer.scene.addEventListener("measurement_removed", A),
                this.viewer.scene.addEventListener("volume_removed", function(t) {
                    var e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.volume.uuid
                    });
                    d.jstree("delete_node", e.id)
                }),
                this.viewer.scene.addEventListener("polygon_clip_volume_removed", function(t) {
                    var e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.volume.uuid
                    });
                    d.jstree("delete_node", e.id)
                }),
                this.viewer.scene.addEventListener("profile_removed", function(t) {
                    var e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.profile.uuid
                    });
                    d.jstree("delete_node", e.id)
                });
                var T = "".concat(Potree.resourcePath, "/icons/annotation.svg");
                this.annotationMapping = new Map,
                this.annotationMapping.set(this.viewer.scene.annotations, n),
                this.viewer.scene.annotations.traverseDescendants(function(e) {
                    var t = u.annotationMapping.get(e.parent)
                      , t = h(t, e.title, T, e);
                    u.annotationMapping.set(e, t)
                });
                var S, n = this.viewer.scene, C = ue(n.pointclouds);
                try {
                    for (C.s(); !(S = C.n()).done; ) {
                        var P = S.value;
                        g({
                            pointcloud: P
                        })
                    }
                } catch (e) {
                    C.e(e)
                } finally {
                    C.f()
                }
                var D, k = ue(n.measurements);
                try {
                    for (k.s(); !(D = k.n()).done; ) {
                        var B = D.value;
                        y({
                            measurement: B
                        })
                    }
                } catch (e) {
                    k.e(e)
                } finally {
                    k.f()
                }
                for (var L = 0, R = [].concat(Q(n.volumes), Q(n.polygonClipVolumes)); L < R.length; L++) {
                    var F = R[L];
                    w({
                        volume: F
                    })
                }
                var I, O = ue(n.cameraAnimations);
                try {
                    for (O.s(); !(I = O.n()).done; )
                        x({
                            animation: I.value
                        })
                } catch (e) {
                    O.e(e)
                } finally {
                    O.f()
                }
                var z, N = ue(n.orientedImages);
                try {
                    for (N.s(); !(z = N.n()).done; )
                        E({
                            images: z.value
                        })
                } catch (e) {
                    N.e(e)
                } finally {
                    N.f()
                }
                var U, G = ue(n.images360);
                try {
                    for (G.s(); !(U = G.n()).done; )
                        _({
                            images: U.value
                        })
                } catch (e) {
                    G.e(e)
                } finally {
                    G.f()
                }
                var H, V = ue(n.geopackages);
                try {
                    for (V.s(); !(H = V.n()).done; )
                        M({
                            geopackage: H.value
                        })
                } catch (e) {
                    V.e(e)
                } finally {
                    V.f()
                }
                var j, W = ue(n.profiles);
                try {
                    for (W.s(); !(j = W.n()).done; ) {
                        var X = j.value;
                        b({
                            profile: X
                        })
                    }
                } catch (e) {
                    W.e(e)
                } finally {
                    W.f()
                }
                h(m, "Camera", null, new Kr),
                this.viewer.addEventListener("scene_changed", function(e) {
                    c.setScene(e.scene),
                    e.oldScene.removeEventListener("pointcloud_added", g),
                    e.oldScene.removeEventListener("measurement_added", y),
                    e.oldScene.removeEventListener("profile_added", b),
                    e.oldScene.removeEventListener("volume_added", w),
                    e.oldScene.removeEventListener("polygon_clip_volume_added", w),
                    e.oldScene.removeEventListener("measurement_removed", A),
                    e.scene.addEventListener("pointcloud_added", g),
                    e.scene.addEventListener("measurement_added", y),
                    e.scene.addEventListener("profile_added", b),
                    e.scene.addEventListener("volume_added", w),
                    e.scene.addEventListener("polygon_clip_volume_added", w),
                    e.scene.addEventListener("measurement_removed", A)
                })
            }
        }, {
            key: "initClippingTool",
            value: function() {
                var n = this;
                this.viewer.addEventListener("cliptask_changed", function(e) {
                    console.log("TODO")
                }),
                this.viewer.addEventListener("clipmethod_changed", function(e) {
                    console.log("TODO")
                });
                var e = $("#cliptask_options");
                e.selectgroup({
                    title: "Clip Task"
                }),
                e.find("input").click(function(e) {
                    n.viewer.setClipTask(tm[e.target.value])
                });
                var t = Object.keys(tm).filter(function(e) {
                    return tm[e] === n.viewer.clipTask
                });
                e.find("input[value=".concat(t, "]")).trigger("click");
                e = $("#clipmethod_options");
                e.selectgroup({
                    title: "Clip Method"
                }),
                e.find("input").click(function(e) {
                    n.viewer.setClipMethod(nm[e.target.value])
                });
                t = Object.keys(nm).filter(function(e) {
                    return nm[e] === n.viewer.clipMethod
                });
                e.find("input[value=".concat(t, "]")).trigger("click");
                t = $("#clipping_tools");
                t.append(this.createToolIcon(Potree.resourcePath + "/icons/clip_volume.svg", "[title]tt.clip_volume", function() {
                    var t = n.volumeTool.startInsertion({
                        clip: !0
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                })),
                t.append(this.createToolIcon(Potree.resourcePath + "/icons/clip-polygon.svg", "[title]tt.clip_polygon", function() {
                    var t = n.viewer.clippingTool.startInsertion({
                        type: "polygon"
                    })
                      , e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    });
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)
                }));
                var i = new Jv(this.viewer);
                t.append(this.createToolIcon(Potree.resourcePath + "/icons/clip-screen.svg", "[title]tt.screen_clip_box", function() {
                    var t, e;
                    n.viewer.scene.getActiveCamera()instanceof ed ? (t = i.startInsertion(),
                    e = $("#jstree_scene").jstree().get_json("measurements").children.find(function(e) {
                        return e.data.uuid === t.uuid
                    }),
                    $.jstree.reference(e.id).deselect_all(),
                    $.jstree.reference(e.id).select_node(e.id)) : n.viewer.postMessage("Switch to Orthographic Camera Mode before using the Screen-Box-Select tool.", {
                        duration: 2e3
                    })
                })),
                t.append(this.createToolIcon(Potree.resourcePath + "/icons/remove.svg", "[title]tt.remove_all_clipping_volumes", function() {
                    n.viewer.scene.removeAllClipVolumes()
                }))
            }
        }, {
            key: "initFilters",
            value: function() {
                this.initClassificationList(),
                this.initReturnFilters(),
                this.initGPSTimeFilters(),
                this.initPointSourceIDFilters()
            }
        }, {
            key: "initReturnFilters",
            value: function() {
                var i = this
                  , e = $("#return_filter_panel")
                  , r = e.find("#sldReturnNumber")
                  , a = e.find("#lblReturnNumber");
                r.slider({
                    range: !0,
                    min: 0,
                    max: 7,
                    step: 1,
                    values: [0, 7],
                    slide: function(e, t) {
                        i.viewer.setFilterReturnNumberRange(t.values[0], t.values[1])
                    }
                });
                function t(e) {
                    var t = (n = N(i.viewer.filterReturnNumberRange, 2))[0]
                      , n = n[1];
                    a[0].innerHTML = "".concat(t, " to ").concat(n),
                    r.slider({
                        values: [t, n]
                    })
                }
                this.viewer.addEventListener("filter_return_number_range_changed", t),
                t();
                var o = e.find("#sldNumberOfReturns")
                  , s = e.find("#lblNumberOfReturns");
                o.slider({
                    range: !0,
                    min: 0,
                    max: 7,
                    step: 1,
                    values: [0, 7],
                    slide: function(e, t) {
                        i.viewer.setFilterNumberOfReturnsRange(t.values[0], t.values[1])
                    }
                });
                function n(e) {
                    var t = (n = N(i.viewer.filterNumberOfReturnsRange, 2))[0]
                      , n = n[1];
                    s[0].innerHTML = "".concat(t, " to ").concat(n),
                    o.slider({
                        values: [t, n]
                    })
                }
                this.viewer.addEventListener("filter_number_of_returns_range_changed", n),
                n()
            }
        }, {
            key: "initGPSTimeFilters",
            value: function() {
                var i = this
                  , e = $("#gpstime_filter_panel")
                  , r = new zy({
                    levels: 4,
                    slide: function(e) {
                        var t;
                        (t = i.viewer).setFilterGPSTimeRange.apply(t, Q(e.values))
                    }
                })
                  , a = !1;
                this.viewer.addEventListener("update", function(e) {
                    var t = i.viewer.getGpsTimeExtent()
                      , n = t[0] !== 1 / 0;
                    !a && n && function() {
                        $("#gpstime_multilevel_range_container")[0].prepend(r.element);
                        var e = i.viewer.getGpsTimeExtent();
                        r.setRange(e),
                        r.setValues(e),
                        a = !0
                    }(),
                    r.setRange(t)
                });
                var n = e.find("#txtGpsTime")
                  , e = e.find("#btnFindGpsTime")
                  , o = null;
                n.on("input", function(e) {
                    var t = n.val();
                    isNaN(t) ? (o = null,
                    n.css("background-color", "#ff9999")) : (t = parseFloat(t),
                    o = t,
                    n.css("background-color", ""))
                }),
                e.click(function() {
                    null !== o && viewer.moveToGpsTimeVicinity(o)
                })
            }
        }, {
            key: "initPointSourceIDFilters",
            value: function() {
                var n = this
                  , i = $("#pointsourceid_filter_panel")
                  , r = new zy({
                    levels: 4,
                    range: [0, 65535],
                    precision: 1,
                    slide: function(e) {
                        e = e.values;
                        n.viewer.setFilterPointSourceIDRange(e[0], e[1])
                    }
                })
                  , a = !1;
                this.viewer.addEventListener("update", function(e) {
                    var t = n.viewer.filterPointSourceIDRange;
                    a || (i[0].prepend(r.element),
                    a = !0,
                    r.setValues(t))
                })
            }
        }, {
            key: "initClassificationList",
            value: function() {
                function e() {
                    for (var e in n(),
                    c.viewer.classifications)
                        t(e, c.viewer.classifications[e].name);
                    i()
                }
                var c = this
                  , d = $("#classificationList")
                  , t = function(t, e) {
                    var n = c.viewer.classifications[t]
                      , i = "colorPickerClassification_" + t
                      , r = n.visible ? "checked" : ""
                      , r = $('\n\t\t\t\t<li>\n\t\t\t\t\t<label style="whitespace: nowrap; display: flex">\n\t\t\t\t\t\t<input id="'.concat("chkClassification_" + t, '" type="checkbox" ').concat(r, '/>\n\t\t\t\t\t\t<span style="flex-grow: 1">').concat(e, '</span>\n\t\t\t\t\t\t<input id="').concat(i, '" style="zoom: 0.5" />\n\t\t\t\t\t</label>\n\t\t\t\t</li>\n\t\t\t'))
                      , e = r.find("input")
                      , i = r.find("#".concat(i));
                    e.click(function(e) {
                        c.viewer.setClassificationVisibility(t, e.target.checked)
                    });
                    e = n.color.map(function(e) {
                        return 255 * e
                    }).join(", "),
                    e = "rgb(".concat(e, ")");
                    i.spectrum({
                        color: e,
                        showInput: !0,
                        preferredFormat: "rgb",
                        cancelText: "",
                        chooseText: "Apply",
                        move: function(e) {
                            e = e.toRgb(),
                            e = [e.r / 255, e.g / 255, e.b / 255, 1];
                            n.color = e
                        },
                        change: function(e) {
                            e = e.toRgb(),
                            e = [e.r / 255, e.g / 255, e.b / 255, 1];
                            n.color = e
                        }
                    }),
                    d.append(r)
                }
                  , n = function() {
                    var e = $('\n\t\t\t\t<li>\n\t\t\t\t\t<label style="whitespace: nowrap">\n\t\t\t\t\t\t<input id="toggleClassificationFilters" type="checkbox" checked/>\n\t\t\t\t\t\t<span>show/hide all</span>\n\t\t\t\t\t</label>\n\t\t\t\t</li>\n\t\t\t');
                    e.find("input").click(function(e) {
                        c.viewer.toggleAllClassificationsVisibility()
                    }),
                    d.append(e)
                }
                  , i = function() {
                    var e = $('\n\t\t\t\t<li>\n\t\t\t\t\t<input type="button" value="invert" />\n\t\t\t\t</li>\n\t\t\t');
                    e.find("input").click(function() {
                        for (var e = c.viewer.classifications, t = 0, n = Object.keys(e); t < n.length; t++) {
                            var i = n[t]
                              , r = e[i];
                            c.viewer.setClassificationVisibility(i, !r.visible)
                        }
                    }),
                    d.append(e)
                };
                e(),
                this.viewer.addEventListener("classifications_changed", function() {
                    d.empty(),
                    e()
                }),
                this.viewer.addEventListener("classification_visibility_changed", function() {
                    for (var e = 0, t = Object.keys(c.viewer.classifications); e < t.length; e++) {
                        var n = t[e]
                          , i = c.viewer.classifications[n];
                        d.find("#chkClassification_".concat(n)).prop("checked", i.visible)
                    }
                    for (var r = 0, a = 0, o = 0, s = Object.keys(c.viewer.classifications); o < s.length; o++) {
                        var l = s[o];
                        c.viewer.classifications[l].visible && r++,
                        a++
                    }
                    var u = r === a;
                    d.find("#toggleClassificationFilters").prop("checked", u)
                })
            }
        }, {
            key: "initAccordion",
            value: function() {
                var r = this;
                $(".accordion > h3").each(function() {
                    var e = $(this)
                      , t = $(this).next();
                    t.hide(),
                    e.click(function() {
                        t.slideToggle()
                    })
                });
                for (var a = [["EN", "en"], ["FR", "fr"], ["DE", "de"], ["JP", "jp"], ["ES", "es"], ["SE", "se"], ["ZH", "zh"]], o = $("#potree_languages"), e = 0; e < a.length; e++)
                    !function(e) {
                        var t = N(a[e], 2)
                          , n = t[0]
                          , i = t[1]
                          , n = $("<a>".concat(n, "</a>"));
                        n.click(function() {
                            return r.viewer.setLanguage(i)
                        }),
                        0 === e && n.css("margin-left", "30px"),
                        o.append(n),
                        e < a.length - 1 && o.append($(document.createTextNode(" - ")))
                    }(e)
            }
        }, {
            key: "initAppearance",
            value: function() {
                var n = this
                  , t = this.dom.find("#sldPointBudget");
                t.slider({
                    value: this.viewer.getPointBudget(),
                    min: 1e5,
                    max: 1e7,
                    step: 1e3,
                    slide: function(e, t) {
                        n.viewer.setPointBudget(t.value)
                    }
                }),
                this.dom.find("#sldFOV").slider({
                    value: this.viewer.getFOV(),
                    min: 20,
                    max: 100,
                    step: 1,
                    slide: function(e, t) {
                        n.viewer.setFOV(t.value)
                    }
                }),
                $("#sldEDLRadius").slider({
                    value: this.viewer.getEDLRadius(),
                    min: 1,
                    max: 4,
                    step: .01,
                    slide: function(e, t) {
                        n.viewer.setEDLRadius(t.value)
                    }
                }),
                $("#sldEDLStrength").slider({
                    value: this.viewer.getEDLStrength(),
                    min: 0,
                    max: 5,
                    step: .01,
                    slide: function(e, t) {
                        n.viewer.setEDLStrength(t.value)
                    }
                }),
                $("#sldEDLOpacity").slider({
                    value: this.viewer.getEDLOpacity(),
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        n.viewer.setEDLOpacity(t.value)
                    }
                }),
                this.viewer.addEventListener("point_budget_changed", function(e) {
                    $("#lblPointBudget")[0].innerHTML = Jf.addCommas(n.viewer.getPointBudget()),
                    t.slider({
                        value: n.viewer.getPointBudget()
                    })
                }),
                this.viewer.addEventListener("fov_changed", function(e) {
                    $("#lblFOV")[0].innerHTML = parseInt(n.viewer.getFOV()),
                    $("#sldFOV").slider({
                        value: n.viewer.getFOV()
                    })
                }),
                this.viewer.addEventListener("use_edl_changed", function(e) {
                    $("#chkEDLEnabled")[0].checked = n.viewer.getEDLEnabled()
                }),
                this.viewer.addEventListener("edl_radius_changed", function(e) {
                    $("#lblEDLRadius")[0].innerHTML = n.viewer.getEDLRadius().toFixed(1),
                    $("#sldEDLRadius").slider({
                        value: n.viewer.getEDLRadius()
                    })
                }),
                this.viewer.addEventListener("edl_strength_changed", function(e) {
                    $("#lblEDLStrength")[0].innerHTML = n.viewer.getEDLStrength().toFixed(1),
                    $("#sldEDLStrength").slider({
                        value: n.viewer.getEDLStrength()
                    })
                }),
                this.viewer.addEventListener("background_changed", function(e) {
                    $("input[name=background][value='" + n.viewer.getBackground() + "']").prop("checked", !0)
                }),
                $("#lblPointBudget")[0].innerHTML = Jf.addCommas(this.viewer.getPointBudget()),
                $("#lblFOV")[0].innerHTML = parseInt(this.viewer.getFOV()),
                $("#lblEDLRadius")[0].innerHTML = this.viewer.getEDLRadius().toFixed(1),
                $("#lblEDLStrength")[0].innerHTML = this.viewer.getEDLStrength().toFixed(1),
                $("#chkEDLEnabled")[0].checked = this.viewer.getEDLEnabled();
                var e = $("#background_options");
                e.selectgroup(),
                e.find("input").click(function(e) {
                    n.viewer.setBackground(e.target.value)
                });
                e = this.viewer.getBackground();
                try {
                    $("input[name=background_options][value=".concat(e, "]")).trigger("click")
                } catch (e) {}
                $("#chkEDLEnabled").click(function() {
                    n.viewer.setEDLEnabled($("#chkEDLEnabled").prop("checked"))
                })
            }
        }, {
            key: "initNavigation",
            value: function() {
                var n = this
                  , e = $("#navigation")
                  , t = $("#sldMoveSpeed")
                  , i = $("#lblMoveSpeed");
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/earth_controls_1.png", "[title]tt.earth_control", function() {
                    n.viewer.setControls(n.viewer.earthControls)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/fps_controls.svg", "[title]tt.flight_control", function() {
                    n.viewer.setControls(n.viewer.fpControls),
                    n.viewer.fpControls.lockElevation = !1
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/helicopter_controls.svg", "[title]tt.heli_control", function() {
                    n.viewer.setControls(n.viewer.fpControls),
                    n.viewer.fpControls.lockElevation = !0
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/orbit_controls.svg", "[title]tt.orbit_control", function() {
                    n.viewer.setControls(n.viewer.orbitControls)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/focus.svg", "[title]tt.focus_control", function() {
                    n.viewer.fitToScreen()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/navigation_cube.svg", "[title]tt.navigation_cube_control", function() {
                    n.viewer.toggleNavigationCube()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/images/compas.svg", "[title]tt.compass", function() {
                    var e = !n.viewer.compass.isVisible();
                    n.viewer.compass.setVisible(e)
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/camera_animation.svg", "[title]tt.camera_animation", function() {
                    var e = bv.defaultFromView(n.viewer);
                    viewer.scene.addCameraAnimation(e)
                })),
                e.append("<br>"),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/left.svg", "[title]tt.left_view_control", function() {
                    n.viewer.setLeftView()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/right.svg", "[title]tt.right_view_control", function() {
                    n.viewer.setRightView()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/front.svg", "[title]tt.front_view_control", function() {
                    n.viewer.setFrontView()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/back.svg", "[title]tt.back_view_control", function() {
                    n.viewer.setBackView()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/top.svg", "[title]tt.top_view_control", function() {
                    n.viewer.setTopView()
                })),
                e.append(this.createToolIcon(Potree.resourcePath + "/icons/bottom.svg", "[title]tt.bottom_view_control", function() {
                    n.viewer.setBottomView()
                }));
                var r = $('\n\t\t\t<selectgroup id="camera_projection_options">\n\t\t\t\t<option id="camera_projection_options_perspective" value="PERSPECTIVE">Perspective</option>\n\t\t\t\t<option id="camera_projection_options_orthigraphic" value="ORTHOGRAPHIC">Orthographic</option>\n\t\t\t</selectgroup>\n\t\t');
                e.append(r),
                r.selectgroup({
                    title: "Camera Projection"
                }),
                r.find("input").click(function(e) {
                    n.viewer.setCameraMode(em[e.target.value])
                });
                e = Object.keys(em).filter(function(e) {
                    return em[e] === n.viewer.scene.cameraMode
                });
                r.find("input[value=".concat(e, "]")).trigger("click");
                function a(e) {
                    return Math.pow((e - o.x) / o.y, .25)
                }
                var o = new yn(1,1e4);
                t.slider({
                    value: a(this.viewer.getMoveSpeed()),
                    min: 0,
                    max: 1,
                    step: .01,
                    slide: function(e, t) {
                        n.viewer.setMoveSpeed((t = t.value,
                        Math.pow(t, 4) * o.y + o.x))
                    }
                }),
                this.viewer.addEventListener("move_speed_changed", function(e) {
                    i.html(n.viewer.getMoveSpeed().toFixed(1)),
                    t.slider({
                        value: a(n.viewer.getMoveSpeed())
                    })
                }),
                i.html(this.viewer.getMoveSpeed().toFixed(1))
            }
        }, {
            key: "initSettings",
            value: function() {
                var n = this;
                $("#sldMinNodeSize").slider({
                    value: this.viewer.getMinNodeSize(),
                    min: 0,
                    max: 1e3,
                    step: .01,
                    slide: function(e, t) {
                        n.viewer.setMinNodeSize(t.value)
                    }
                }),
                this.viewer.addEventListener("minnodesize_changed", function(e) {
                    $("#lblMinNodeSize").html(parseInt(n.viewer.getMinNodeSize())),
                    $("#sldMinNodeSize").slider({
                        value: n.viewer.getMinNodeSize()
                    })
                }),
                $("#lblMinNodeSize").html(parseInt(this.viewer.getMinNodeSize()));
                var e = $("#splat_quality_options");
                e.selectgroup({
                    title: "Splat Quality"
                }),
                e.find("input").click(function(e) {
                    "standard" === e.target.value ? n.viewer.useHQ = !1 : "hq" === e.target.value && (n.viewer.useHQ = !0)
                });
                var t = this.viewer.useHQ ? "hq" : "standard";
                e.find("input[value=".concat(t, "]")).trigger("click"),
                $("#show_bounding_box").click(function() {
                    n.viewer.setShowBoundingBox($("#show_bounding_box").prop("checked"))
                }),
                $("#set_freeze").click(function() {
                    n.viewer.setFreeze($("#set_freeze").prop("checked"))
                })
            }
        }]),
        t
    }(), _w = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).viewer = e,
            t.renderer = e.renderer,
            t.sg = new Su(.1),
            t.sm = new Xu,
            t.s = new Hr(t.sg,t.sm),
            t
        }
        return h(i, [{
            key: "startInsertion",
            value: function() {
                var n = this
                  , t = this.viewer.renderer.domElement
                  , i = new Kf({
                    position: [589748.27, 231444.54, 753.675],
                    title: "Annotation Title",
                    description: "Annotation Description",
                    radius: 1,
                    cameraPosition: [589748.27, 231444.54, 753.675]
                });
                this.dispatchEvent({
                    type: "start_inserting_annotation",
                    annotation: i
                });
                var r = this.viewer.scene.annotations;
                r.add(i);
                function a(e) {
                    e.button === C.LEFT ? o.finish() : e.button === C.RIGHT && o.cancel()
                }
                var o = {
                    cancel: null,
                    finish: null
                };
                o.cancel = function(e) {
                    r.remove(i),
                    t.removeEventListener("mouseup", a, !0)
                }
                ,
                o.finish = function(e) {
                    t.removeEventListener("mouseup", a, !0)
                }
                ,
                t.addEventListener("mouseup", a, !0);
                function s(e) {
                    viewer.scene.scene.remove(n.s),
                    n.s.removeEventListener("drag", l),
                    n.s.removeEventListener("drop", s)
                }
                var l = function(e) {
                    var t = e.viewer.scene.getActiveCamera()
                      , e = e.viewer.inputHandler.intersectPoint;
                    e && (n.s.position.copy(e.location),
                    i.position.copy(e.location),
                    i.cameraTarget.copy(e.location),
                    i.cameraPosition.copy(t.position))
                };
                return this.s.addEventListener("drag", l),
                this.s.addEventListener("drop", s),
                this.viewer.scene.scene.add(this.s),
                this.viewer.inputHandler.startDragging(this.s),
                i
            }
        }, {
            key: "update",
            value: function() {}
        }, {
            key: "render",
            value: function() {}
        }]),
        i
    }(), Mw = 15, Aw = new bu(1,1), Tw = new _c, Sw = new tl({
        color: "#ffffff"
    }), Cw = function() {
        y(i, Si);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).lineLength = null != e.lineLength ? e.lineLength : .6,
            t.position.copy(e.position),
            t.normal = null != e.normal ? e.normal : new Cn(0,0,-1),
            t.root = e.root,
            t.build(),
            t
        }
        return h(i, [{
            key: "build",
            value: function() {
                bw = bw || new $i({
                    transparent: !0,
                    map: Tw.load(Potree.resourcePath + "/textures/spot_default.png")
                });
                var e = this.normal.clone().multiplyScalar(this.lineLength);
                this.line = Sf.createLine([new Cn(0,0,0), e], {
                    mat: Sw
                });
                var t = new Si;
                this.spot = new Hr(Aw,bw),
                this.spot.scale.set(.4, .4, .4),
                this.titleLabel = new Jp({
                    root: t,
                    text: "1",
                    sizeInfo: {
                        width2d: 200
                    },
                    textColor: {
                        r: 255,
                        g: 255,
                        b: 255,
                        a: 1
                    },
                    backgroundColor: {
                        r: 0,
                        g: 0,
                        b: 0,
                        a: .8
                    },
                    borderRadius: 6,
                    fontsize: 13,
                    fontWeight: "",
                    renderOrder: Mw,
                    pickOrder: Mw
                }),
                this.spot.renderOrder = Mw,
                this.titleLabel.position.set(0, .4, 0),
                this.titleLabel.sprite.material.depthTest = this.titleLabel.sprite.material.depthWrite = !0,
                t.position.copy(e),
                t.add(this.spot),
                t.add(this.titleLabel),
                this.add(t),
                this.add(this.line),
                viewer.scene.tags.add(this)
            }
        }, {
            key: "updateMatrixWorld",
            value: function(e) {
                this.updateMatrix(),
                this.matrixWorld.multiplyMatrices(this.root.matrixWorld, this.matrix);
                for (var t = this.children, n = 0, i = t.length; n < i; n++)
                    t[n].updateMatrixWorld(e)
            }
        }, {
            key: "updateWorldMatrix",
            value: function(e, t) {
                if (!0 === e && null !== this.root && this.root.updateWorldMatrix(!0, !1),
                this.matrixAutoUpdate && this.updateMatrix(),
                this.matrixWorld.multiplyMatrices(this.root.matrixWorld, this.matrix),
                !0 === t)
                    for (var n = this.children, i = 0, r = n.length; i < r; i++)
                        n[i].updateWorldMatrix(!1, !0)
            }
        }]),
        i
    }(), Pw = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).viewer = e,
            t.viewer.addEventListener("start_inserting_tag", function(e) {
                t.viewer.dispatchEvent({
                    type: "cancel_insertions"
                })
            }),
            t
        }
        return h(i, [{
            key: "startInsertion",
            value: function() {
                var e = this
                  , n = $.Deferred();
                this.viewer.dispatchEvent({
                    type: "start_inserting_tag"
                });
                var i = function() {
                    e.viewer.removeEventListener("global_click", t)
                }
                  , t = function(e) {
                    var t = e.intersect && e.intersect.location;
                    if (t) {
                        t = Potree.Utils.datasetPosTransform({
                            toDataset: !0,
                            pointcloud: e.intersect.pointcloud,
                            object: e.intersect.object,
                            position: t
                        }),
                        t = new Cw({
                            title: "1",
                            position: t,
                            normal: e.intersect.normal,
                            root: e.intersect.pointcloud || e.intersect.object
                        });
                        return i(),
                        e.consume && e.consume(),
                        n.resolve(t),
                        {
                            stopContinue: !0
                        }
                    }
                };
                return this.viewer.addEventListener("global_click", t, 10),
                n.promise()
            }
        }]),
        i
    }(), Dw = function() {
        y(r, Si);
        var i = w(r);
        function r(n) {
            var a;
            O(this, r),
            (a = i.call(this)).viewer = n;
            function e(e) {
                var t = new $i({
                    depthTest: !0,
                    depthWrite: !0,
                    side: Y
                });
                return (new _c).load(le.resourcePath + "/textures/navigation/" + e, function(e) {
                    e.anisotropy = n.renderer.capabilities.getMaxAnisotropy(),
                    t.map = e,
                    t.needsUpdate = !0
                }),
                t
            }
            var t = new bu(1,1);
            a.front = new Hr(t,e("F.png")),
            a.front.position.y = -.5,
            a.front.rotation.x = Math.PI / 2,
            a.front.updateMatrixWorld(),
            a.front.name = "F",
            a.add(a.front),
            a.back = new Hr(t,e("B.png")),
            a.back.position.y = .5,
            a.back.rotation.x = Math.PI / 2,
            a.back.updateMatrixWorld(),
            a.back.name = "B",
            a.add(a.back),
            a.left = new Hr(t,e("L.png")),
            a.left.position.x = -.5,
            a.left.rotation.y = Math.PI / 2,
            a.left.updateMatrixWorld(),
            a.left.name = "L",
            a.add(a.left),
            a.right = new Hr(t,e("R.png")),
            a.right.position.x = .5,
            a.right.rotation.y = Math.PI / 2,
            a.right.updateMatrixWorld(),
            a.right.name = "R",
            a.add(a.right),
            a.bottom = new Hr(t,e("D.png")),
            a.bottom.position.z = -.5,
            a.bottom.updateMatrixWorld(),
            a.bottom.name = "D",
            a.add(a.bottom),
            a.top = new Hr(t,e("U.png")),
            a.top.position.z = .5,
            a.top.updateMatrixWorld(),
            a.top.name = "U",
            a.add(a.top),
            a.width = 150,
            a.camera = new ed(-1,1,1,-1,-1,1),
            a.camera.position.copy(new Cn(0,0,0)),
            a.camera.lookAt(new Cn(0,1,0)),
            a.camera.updateMatrixWorld(),
            a.camera.rotation.order = "ZXY";
            return a.viewer.renderer.domElement.addEventListener("mousedown", function(e) {
                if (a.visible) {
                    a.pickedFace = null;
                    var t = new yn;
                    if (t.x = e.clientX - (window.innerWidth - a.width),
                    t.y = e.clientY,
                    !(t.x < 0 || t.y > a.width)) {
                        t.x = t.x / a.width * 2 - 1,
                        t.y = 2 * -(t.y / a.width) + 1;
                        e = new sh;
                        e.setFromCamera(t, a.camera),
                        e.ray.origin.sub(a.camera.getWorldDirection(new Cn));
                        for (var n = e.intersectObjects(a.children), i = 1e3, r = 0; r < n.length; r++)
                            n[r].distance < i && (a.pickedFace = n[r].object.name,
                            i = n[r].distance);
                        a.pickedFace && a.viewer.setView(a.pickedFace)
                    }
                }
            }, !1),
            a
        }
        return h(r, [{
            key: "update",
            value: function(e) {
                this.camera.rotation.copy(e),
                this.camera.updateMatrixWorld()
            }
        }]),
        r
    }(), kw = 2, Bw = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var a;
            O(this, i),
            (a = n.call(this)).viewer = e,
            a.renderer = e.renderer,
            a.scene = null,
            a.sceneControls = new gs,
            a.rotationSpeed = 3,
            a.fadeFactor = 100,
            a.yawDelta = 0,
            a.pitchDelta = 0,
            a.panDelta = new yn(0,0),
            a.radiusDelta = 0,
            a.doubleClockZoomEnabled = !0,
            a.tweens = [],
            a.dollyStart = new yn,
            a.dollyEnd = new yn;
            function t(e) {
                var t, n;
                !a.enabled || (t = e.dragViewport) && "OrthographicCamera" != t.camera.type && null === e.drag.object && (n = e.isTouch ? 1 == e.touches.length ? "rotate" : "scale-pan" : e.buttons === rm.LEFT ? "rotate" : "pan",
                void 0 === e.drag.startHandled && (e.drag.startHandled = !0,
                a.dispatchEvent({
                    type: "start"
                })),
                (t = e.drag.pointerDelta.clone()).y *= -1,
                "rotate" == n ? (a.yawDelta += t.x * a.rotationSpeed,
                a.pitchDelta += t.y * a.rotationSpeed) : "pan" == n ? (a.panDelta.x += t.x,
                a.panDelta.y += t.y) : "scale-pan" == n && (a.dollyEnd.subVectors(e.touches[0].pointer, e.touches[1].pointer),
                n = a.dollyEnd.length() / a.dollyStart.length(),
                a.dollyStart.copy(a.dollyEnd),
                a.radiusDelta = (1 - n) * a.scene.view.radius,
                n = (new yn).addVectors(e.touches[0].pointer, e.touches[1].pointer).multiplyScalar(.5),
                (e = (new yn).subVectors(n, a.lastScalePointer)).y *= -1,
                a.panDelta.add(e),
                a.lastScalePointer = n.clone()),
                a.stopTweens())
            }
            var o = null;
            a.addEventListener("touchstart", function(e) {
                o = e
            }),
            a.addEventListener("touchend", function(e) {
                o = e
            }),
            a.addEventListener("touchmove", function(e) {
                var t, n, i, r;
                a.enabled && (2 === e.touches.length && 2 === o.touches.length ? (i = e,
                t = (r = o).touches[0].pageX - r.touches[1].pageX,
                n = r.touches[0].pageY - r.touches[1].pageY,
                r = Math.sqrt(t * t + n * n),
                t = i.touches[0].pageX - i.touches[1].pageX,
                n = i.touches[0].pageY - i.touches[1].pageY,
                i = Math.sqrt(t * t + n * n),
                t = a.scene.view.radius + a.radiusDelta,
                a.radiusDelta = t / (i / r) - t,
                a.stopTweens()) : 3 === e.touches.length && 3 === o.touches.length && (i = ((n = o).touches[0].pageX + n.touches[1].pageX + n.touches[2].pageX) / 3,
                r = (n.touches[0].pageY + n.touches[1].pageY + n.touches[2].pageY) / 3,
                t = (e.touches[0].pageX + e.touches[1].pageX + e.touches[2].pageX) / 3,
                n = (e.touches[0].pageY + e.touches[1].pageY + e.touches[2].pageY) / 3,
                i = (t - i) / a.renderer.domElement.clientWidth,
                r = (n - r) / a.renderer.domElement.clientHeight,
                a.panDelta.x += i,
                a.panDelta.y += r,
                a.stopTweens()),
                o = e)
            }),
            a.viewer.addEventListener("global_drag", t),
            a.viewer.addEventListener("global_drop", function(e) {
                a.enabled && a.dispatchEvent({
                    type: "end"
                })
            }),
            a.viewer.addEventListener("global_mousewheel", function(e) {
                var t;
                a.enabled && ((t = a.scene.view.radius + a.radiusDelta) < .1 && 0 < e.delta || (a.radiusDelta += -e.delta * t * .1,
                a.stopTweens()))
            }),
            a.viewer.addEventListener("global_dblclick", function(e) {
                a.enabled && a.doubleClockZoomEnabled && a.zoomToLocation(e.mouse)
            }),
            a.viewer.addEventListener("global_touchmove", function(e) {
                1 < e.touches.length && t(e)
            });
            return a.viewer.addEventListener("global_touchstart", function(e) {
                a.enabled && 2 == e.touches.length && (e = e,
                a.dollyStart.subVectors(e.touches[0].pointer, e.touches[1].pointer),
                a.lastScalePointer = (new yn).addVectors(e.touches[0].pointer, e.touches[1].pointer).multiplyScalar(.5))
            }),
            a
        }
        return h(i, [{
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "setEnable",
            value: function(e) {
                this.enabled = e
            }
        }, {
            key: "stop",
            value: function() {
                this.yawDelta = 0,
                this.pitchDelta = 0,
                this.radiusDelta = 0,
                this.panDelta.set(0, 0)
            }
        }, {
            key: "zoomToLocation",
            value: function(e) {
                var t, n = (i = viewer.inputHandler.intersect).object || i.pointcloud, i = i && i.location;
                i && n && (t = this.scene.view.position.distanceTo(i),
                n = n.boundingBox.clone().applyMatrix4(n.matrixWorld).getSize(new Cn).length(),
                n = gn.clamp(t, .1, Math.max(.1 * n, 3)),
                kw = n,
                viewer.focusOnObject({
                    position: i
                }, "point", null, {
                    distance: n
                }))
            }
        }, {
            key: "stopTweens",
            value: function() {
                this.tweens.forEach(function(e) {
                    return e.stop()
                }),
                this.tweens = []
            }
        }, {
            key: "update",
            value: function(e) {
                var t, n, i, r;
                this.enabled && (r = this.scene.view,
                t = Math.min(1, this.fadeFactor * e),
                n = r.yaw,
                i = r.pitch,
                e = r.getPivot(),
                n -= t * this.yawDelta,
                i -= t * this.pitchDelta,
                r.yaw = n,
                r.pitch = i,
                i = this.scene.view.direction.multiplyScalar(-r.radius),
                e = (new Cn).addVectors(e, i),
                r.position.copy(e),
                i = this.scene.getActiveCamera(),
                e = 2 * r.radius * Math.tan(gn.degToRad(i.fov / 2)),
                i = -this.panDelta.x * e,
                e = this.panDelta.y * e,
                r.pan(i, e),
                i = r.radius + +this.radiusDelta,
                e = r.direction.multiplyScalar(-i),
                e = (new Cn).addVectors(r.getPivot(), e),
                this.constantlyForward && i < kw && (i = kw),
                r.radius = i,
                r.position.copy(e),
                r = r.radius,
                this.viewer.setMoveSpeed(r),
                this.stop())
            }
        }]),
        i
    }(), Lw = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var u;
            O(this, i),
            (u = n.call(this, e)).viewer = e,
            u.renderer = e.renderer,
            u.scene = null,
            u.sceneControls = new gs,
            u.rotationSpeed = 10,
            u.fadeFactor = 20,
            u.wheelDelta = 0,
            u.zoomDelta = new Cn,
            u.camStart = null,
            u.tweens = [];
            var t = new Su(1,16,16)
              , e = new Xu;
            u.pivotIndicator = new Hr(t,e),
            u.pivotIndicator.visible = !1,
            u.sceneControls.add(u.pivotIndicator);
            return u.addEventListener("drag", function(e) {
                var t, n, i, r, a, o, s, l;
                null === e.drag.object && u.pivot && (void 0 === e.drag.startHandled && (e.drag.startHandled = !0,
                u.dispatchEvent({
                    type: "start"
                })),
                t = u.camStart,
                i = u.scene.getActiveCamera(),
                n = u.viewer.scene.view,
                o = e.drag.end,
                r = u.viewer.renderer.domElement,
                e.drag.Buttons === o.LEFT ? (i = Jf.ButtonsToRay(u.viewer.inputHandler.pointer, i, r.clientWidth, r.clientHeight),
                r = (new ki).setFromNormalAndCoplanarPoint(new Cn(0,0,1), u.pivot),
                0 < (r = i.distanceToPlane(r)) && (l = (new Cn).addVectors(t.position, i.direction.clone().multiplyScalar(r)),
                a = (new Cn).subVectors(l, u.pivot),
                s = t.position.clone().sub(a),
                n.position.copy(s),
                l = s.distanceTo(u.pivot),
                n.radius = l,
                a = n.radius / 2.5,
                u.viewer.setMoveSpeed(a))) : e.drag.Buttons === o.RIGHT && (s = e.drag.ButtonsDelta.x / u.renderer.domElement.clientWidth,
                l = e.drag.ButtonsDelta.y / u.renderer.domElement.clientHeight,
                a = -s * u.rotationSpeed * .5,
                o = -l * u.rotationSpeed * .2,
                e = n.pitch,
                (s = n.clone()).pitch = s.pitch + o,
                o = s.pitch - e,
                l = (new Cn).subVectors(n.position, u.pivot),
                s = (new Cn).subVectors(n.getPivot(), u.pivot),
                e = n.getSide(),
                l.applyAxisAngle(e, o),
                s.applyAxisAngle(e, o),
                l.applyAxisAngle(new Cn(0,0,1), a),
                s.applyAxisAngle(new Cn(0,0,1), a),
                l = (new Cn).addVectors(u.pivot, l),
                n.position.copy(l),
                n.yaw += a,
                n.pitch += o))
            }),
            u.addEventListener("drop", function(e) {
                u.dispatchEvent({
                    type: "end"
                })
            }),
            u.addEventListener("Buttonswheel", function(e) {
                u.wheelDelta += e.delta
            }),
            u.addEventListener("Buttonsdown", function(e) {
                e = Jf.getButtonsPointCloudIntersection(e.Buttons, u.scene.getActiveCamera(), u.viewer, u.scene.pointclouds, {
                    pickClipped: !1
                });
                e && (u.pivot = e.location,
                u.camStart = u.scene.getActiveCamera().clone(),
                u.pivotIndicator.visible = !0,
                u.pivotIndicator.position.copy(e.location))
            }),
            u.addEventListener("Buttonsup", function(e) {
                u.camStart = null,
                u.pivot = null,
                u.pivotIndicator.visible = !1
            }),
            u.addEventListener("dblclick", function(e) {
                u.zoomToLocation(e.Buttons)
            }),
            u
        }
        return h(i, [{
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "stop",
            value: function() {
                this.wheelDelta = 0,
                this.zoomDelta.set(0, 0, 0)
            }
        }, {
            key: "zoomToLocation",
            value: function(e) {
                var t, n, i, r, a, o, s, l = this, u = this.scene.getActiveCamera(), c = Jf.getButtonsPointCloudIntersection(e, u, this.viewer, this.scene.pointclouds);
                null !== c && (t = 0,
                e = this.renderer.domElement,
                e = Jf.ButtonsToRay(this.viewer.inputHandler.pointer, u, e.clientWidth, e.clientHeight),
                e = (e = c.pointcloud.nodesOnRay(c.pointcloud.visibleNodes, e))[e.length - 1].getBoundingSphere(new qn).radius,
                t = Math.min(this.scene.view.radius, e),
                t = Math.max(.2, t),
                e = this.scene.view.direction.multiplyScalar(-1),
                e = (new Cn).addVectors(c.location, e.multiplyScalar(t)),
                t = TWEEN.Easing.Quartic.Out,
                n = {
                    x: 0
                },
                (i = new TWEEN.Tween(n).to({
                    x: 1
                }, 600)).easing(t),
                this.tweens.push(i),
                r = this.scene.view.position.clone(),
                a = e.clone(),
                o = this.scene.view.radius,
                s = e.distanceTo(c.location),
                i.onUpdate(function() {
                    var e = n.x;
                    l.scene.view.position.x = (1 - e) * r.x + e * a.x,
                    l.scene.view.position.y = (1 - e) * r.y + e * a.y,
                    l.scene.view.position.z = (1 - e) * r.z + e * a.z,
                    l.scene.view.radius = (1 - e) * o + e * s,
                    l.viewer.setMoveSpeed(l.scene.view.radius / 2.5)
                }),
                i.onComplete(function() {
                    l.tweens = l.tweens.filter(function(e) {
                        return e !== i
                    })
                }),
                i.start())
            }
        }, {
            key: "update",
            value: function(e) {
                var t, n, i, r, a, o = this.scene.view, s = Math.pow(.5, this.fadeFactor * e), l = 1 - s, u = this.scene.getActiveCamera();
                0 === this.wheelDelta || (i = Jf.getButtonsPointCloudIntersection(this.viewer.inputHandler.Buttons, this.scene.getActiveCamera(), this.viewer, this.scene.pointclouds)) && (t = (new Cn).addVectors(o.position, this.zoomDelta),
                n = .2 * i.location.distanceTo(t) * this.wheelDelta,
                (e = (new Cn).subVectors(i.location, o.position)).normalize(),
                t.add(e.multiplyScalar(n)),
                this.zoomDelta.subVectors(t, o.position),
                i = t.distanceTo(i.location),
                o.radius = i,
                i = o.radius / 2.5,
                this.viewer.setMoveSpeed(i)),
                0 !== this.zoomDelta.length() && (r = this.zoomDelta.clone().multiplyScalar(l),
                a = (new Cn).addVectors(o.position, r),
                o.position.copy(a)),
                this.pivotIndicator.visible && (r = this.pivotIndicator.position.distanceTo(o.position),
                a = this.renderer.domElement.clientwidth,
                o = this.renderer.domElement.clientHeight,
                o = 10 / Jf.projectedRadius(1, u, r, a, o),
                this.pivotIndicator.scale.set(o, o, o)),
                this.zoomDelta.multiplyScalar(s),
                this.wheelDelta = 0
            }
        }]),
        i
    }(), Rw = function() {
        y(r, hn);
        var i = w(r);
        function r(e) {
            var t;
            O(this, r),
            (t = i.call(this)).viewer = e,
            t.renderer = e.renderer,
            t.scene = null,
            t.sceneControls = new gs,
            t.screenOrientation = window.orientation || 0;
            function n(e) {
                t.deviceOrientation = e
            }
            return "ondeviceorientationabsolute"in window ? window.addEventListener("deviceorientationabsolute", n) : "ondeviceorientation"in window ? window.addEventListener("deviceorientation", n) : console.warn("No device orientation found."),
            window.addEventListener("orientationchange", function(e) {
                t.screenOrientation = window.orientation || 0
            }),
            t
        }
        return h(r, [{
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "update",
            value: function(e) {
                var t, n, i, r, a, o, s, l;
                void 0 !== this.deviceOrientation && (a = this.deviceOrientation.alpha ? gn.degToRad(this.deviceOrientation.alpha) : 0,
                o = this.deviceOrientation.beta ? gn.degToRad(this.deviceOrientation.beta) : 0,
                s = this.deviceOrientation.gamma ? gn.degToRad(this.deviceOrientation.gamma) : 0,
                l = this.screenOrientation ? gn.degToRad(this.screenOrientation) : 0,
                t = a,
                n = o,
                i = s,
                r = l,
                a = new Sn,
                o = new Cn(0,0,1),
                s = new ci,
                l = new Sn,
                s.set(n, i, t, "ZXY"),
                a.setFromEuler(s),
                a.multiply(l.setFromAxisAngle(o, -r)),
                viewer.scene.cameraP.quaternion.set(a.x, a.y, a.z, a.w))
            }
        }]),
        r
    }(), Fw = new WeakMap, Iw = function() {
        y(n, mc);
        var t = w(n);
        function n(e) {
            return O(this, n),
            (e = t.call(this, e)).decoderPath = "",
            e.decoderConfig = {},
            e.decoderBinary = null,
            e.decoderPending = null,
            e.workerLimit = 4,
            e.workerPool = [],
            e.workerNextTaskID = 1,
            e.workerSourceURL = "",
            e.defaultAttributeIDs = {
                position: "POSITION",
                normal: "NORMAL",
                color: "COLOR",
                uv: "TEX_COORD"
            },
            e.defaultAttributeTypes = {
                position: "Float32Array",
                normal: "Float32Array",
                color: "Float32Array",
                uv: "Float32Array"
            },
            e
        }
        return h(n, [{
            key: "setDecoderPath",
            value: function(e) {
                return this.decoderPath = e,
                this
            }
        }, {
            key: "setDecoderConfig",
            value: function(e) {
                return this.decoderConfig = e,
                this
            }
        }, {
            key: "setWorkerLimit",
            value: function(e) {
                return this.workerLimit = e,
                this
            }
        }, {
            key: "load",
            value: function(e, n, t, i) {
                var r = this
                  , a = new gc(this.manager);
                a.setPath(this.path),
                a.setResponseType("arraybuffer"),
                a.setRequestHeader(this.requestHeader),
                a.setWithCredentials(this.withCredentials),
                a.load(e, function(e) {
                    var t = {
                        attributeIDs: r.defaultAttributeIDs,
                        attributeTypes: r.defaultAttributeTypes,
                        useUniqueIDs: !1
                    };
                    r.decodeGeometry(e, t).then(n).catch(i)
                }, t, i)
            }
        }, {
            key: "decodeDracoFile",
            value: function(e, t, n, i) {
                n = {
                    attributeIDs: n || this.defaultAttributeIDs,
                    attributeTypes: i || this.defaultAttributeTypes,
                    useUniqueIDs: !!n
                };
                this.decodeGeometry(e, n).then(t)
            }
        }, {
            key: "decodeGeometry",
            value: function(n, i) {
                var e, t = this;
                for (e in i.attributeTypes) {
                    var r = i.attributeTypes[e];
                    void 0 !== r.BYTES_PER_ELEMENT && (i.attributeTypes[e] = r.name)
                }
                var a, o = JSON.stringify(i);
                if (Fw.has(n)) {
                    var s = Fw.get(n);
                    if (s.key === o)
                        return s.promise;
                    if (0 === n.byteLength)
                        throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")
                }
                var l = this.workerNextTaskID++
                  , s = n.byteLength
                  , s = this._getWorker(l, s).then(function(e) {
                    return a = e,
                    new Promise(function(e, t) {
                        a._callbacks[l] = {
                            resolve: e,
                            reject: t
                        },
                        a.postMessage({
                            type: "decode",
                            id: l,
                            taskConfig: i,
                            buffer: n
                        }, [n])
                    }
                    )
                }).then(function(e) {
                    return t._createGeometry(e.geometry)
                });
                return s.catch(function() {
                    return !0
                }).then(function() {
                    a && l && t._releaseTask(a, l)
                }),
                Fw.set(n, {
                    key: o,
                    promise: s
                }),
                s
            }
        }, {
            key: "_createGeometry",
            value: function(e) {
                var t = new Mr;
                e.index && t.setIndex(new nr(e.index.array,1));
                for (var n = 0; n < e.attributes.length; n++) {
                    var i = e.attributes[n]
                      , r = i.name
                      , a = i.array
                      , i = i.itemSize;
                    t.setAttribute(r, new nr(a,i))
                }
                return t
            }
        }, {
            key: "_loadLibrary",
            value: function(n, e) {
                var i = new gc(this.manager);
                return i.setPath(this.decoderPath),
                i.setResponseType(e),
                i.setWithCredentials(this.withCredentials),
                new Promise(function(e, t) {
                    i.load(n, e, void 0, t)
                }
                )
            }
        }, {
            key: "preload",
            value: function() {
                return this._initDecoder(),
                this
            }
        }, {
            key: "_initDecoder",
            value: function() {
                var n = this;
                if (this.decoderPending)
                    return this.decoderPending;
                var i = "object" !== ("undefined" == typeof WebAssembly ? "undefined" : X(WebAssembly)) || "js" === this.decoderConfig.type
                  , e = [];
                return i ? e.push(this._loadLibrary("draco_decoder.js", "text")) : (e.push(this._loadLibrary("draco_wasm_wrapper.js", "text")),
                e.push(this._loadLibrary("draco_decoder.wasm", "arraybuffer"))),
                this.decoderPending = Promise.all(e).then(function(e) {
                    var t = e[0];
                    i || (n.decoderConfig.wasmBinary = e[1]);
                    e = function() {
                        var n, t;
                        function l(e, t, n, i) {
                            var r, a, o = i.attributeIDs, s = i.attributeTypes, l = t.GetEncodedGeometryType(n);
                            if (l === e.TRIANGULAR_MESH)
                                r = new e.Mesh,
                                a = t.DecodeBufferToMesh(n, r);
                            else {
                                if (l !== e.POINT_CLOUD)
                                    throw new Error("THREE.DRACOLoader: Unexpected geometry type.");
                                r = new e.PointCloud,
                                a = t.DecodeBufferToPointCloud(n, r)
                            }
                            if (!a.ok() || 0 === r.ptr)
                                throw new Error("THREE.DRACOLoader: Decoding failed: " + a.error_msg());
                            var u, c = {
                                index: null,
                                attributes: []
                            };
                            for (u in o) {
                                var d = self[s[u]]
                                  , h = void 0
                                  , p = void 0;
                                if (i.useUniqueIDs)
                                    p = o[u],
                                    h = t.GetAttributeByUniqueId(r, p);
                                else {
                                    if (-1 === (p = t.GetAttributeId(r, e[o[u]])))
                                        continue;
                                    h = t.GetAttribute(r, p)
                                }
                                c.attributes.push(function(e, t, n, i, r, a) {
                                    var o = a.num_components()
                                      , s = n.num_points() * o
                                      , l = s * r.BYTES_PER_ELEMENT
                                      , u = function(e, t) {
                                        switch (t) {
                                        case Float32Array:
                                            return e.DT_FLOAT32;
                                        case Int8Array:
                                            return e.DT_INT8;
                                        case Int16Array:
                                            return e.DT_INT16;
                                        case Int32Array:
                                            return e.DT_INT32;
                                        case Uint8Array:
                                            return e.DT_UINT8;
                                        case Uint16Array:
                                            return e.DT_UINT16;
                                        case Uint32Array:
                                            return e.DT_UINT32
                                        }
                                    }(e, r)
                                      , c = e._malloc(l);
                                    t.GetAttributeDataArrayForAllPoints(n, a, u, l, c);
                                    s = new r(e.HEAPF32.buffer,c,s).slice();
                                    return e._free(c),
                                    {
                                        name: i,
                                        array: s,
                                        itemSize: o
                                    }
                                }(e, t, r, u, d, h))
                            }
                            return l === e.TRIANGULAR_MESH && (c.index = function(e, t, n) {
                                var i = 3 * n.num_faces()
                                  , r = 4 * i
                                  , a = e._malloc(r);
                                t.GetTrianglesUInt32Array(n, r, a);
                                i = new Uint32Array(e.HEAPF32.buffer,a,i).slice();
                                return e._free(a),
                                {
                                    array: i,
                                    itemSize: 1
                                }
                            }(e, t, r)),
                            e.destroy(r),
                            c
                        }
                        onmessage = function(e) {
                            var a = e.data;
                            switch (a.type) {
                            case "init":
                                n = a.decoderConfig,
                                t = new Promise(function(t) {
                                    n.onModuleLoaded = function(e) {
                                        t({
                                            draco: e
                                        })
                                    }
                                    ,
                                    DracoDecoderModule(n)
                                }
                                );
                                break;
                            case "decode":
                                var o = a.buffer
                                  , s = a.taskConfig;
                                t.then(function(e) {
                                    var t = e.draco
                                      , n = new t.Decoder
                                      , e = new t.DecoderBuffer;
                                    e.Init(new Int8Array(o), o.byteLength);
                                    try {
                                        var i = l(t, n, e, s)
                                          , r = i.attributes.map(function(e) {
                                            return e.array.buffer
                                        });
                                        i.index && r.push(i.index.array.buffer),
                                        self.postMessage({
                                            type: "decode",
                                            id: a.id,
                                            geometry: i
                                        }, r)
                                    } catch (e) {
                                        console.error(e),
                                        self.postMessage({
                                            type: "error",
                                            id: a.id,
                                            error: e.message
                                        })
                                    } finally {
                                        t.destroy(e),
                                        t.destroy(n)
                                    }
                                })
                            }
                        }
                    }
                    .toString(),
                    e = ["/* draco decoder */", t, "", "/* worker */", e.substring(e.indexOf("{") + 1, e.lastIndexOf("}"))].join("\n");
                    n.workerSourceURL = URL.createObjectURL(new Blob([e]))
                }),
                this.decoderPending
            }
        }, {
            key: "_getWorker",
            value: function(t, i) {
                var r = this;
                return this._initDecoder().then(function() {
                    var n;
                    r.workerPool.length < r.workerLimit ? ((n = new Worker(r.workerSourceURL))._callbacks = {},
                    n._taskCosts = {},
                    n._taskLoad = 0,
                    n.postMessage({
                        type: "init",
                        decoderConfig: r.decoderConfig
                    }),
                    n.onmessage = function(e) {
                        var t = e.data;
                        switch (t.type) {
                        case "decode":
                            n._callbacks[t.id].resolve(t);
                            break;
                        case "error":
                            n._callbacks[t.id].reject(t);
                            break;
                        default:
                            console.error('THREE.DRACOLoader: Unexpected message, "' + t.type + '"')
                        }
                    }
                    ,
                    r.workerPool.push(n)) : r.workerPool.sort(function(e, t) {
                        return e._taskLoad > t._taskLoad ? -1 : 1
                    });
                    var e = r.workerPool[r.workerPool.length - 1];
                    return e._taskCosts[t] = i,
                    e._taskLoad += i,
                    e
                })
            }
        }, {
            key: "_releaseTask",
            value: function(e, t) {
                e._taskLoad -= e._taskCosts[t],
                delete e._callbacks[t],
                delete e._taskCosts[t]
            }
        }, {
            key: "debug",
            value: function() {
                console.log("Task load: ", this.workerPool.map(function(e) {
                    return e._taskLoad
                }))
            }
        }, {
            key: "dispose",
            value: function() {
                for (var e = 0; e < this.workerPool.length; ++e)
                    this.workerPool[e].terminate();
                return this.workerPool.length = 0,
                this
            }
        }]),
        n
    }();
    var Ow = function() {
        function t() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 4;
            O(this, t),
            this.pool = e,
            this.queue = [],
            this.workers = [],
            this.workersResolve = [],
            this.workerStatus = 0
        }
        return h(t, [{
            key: "_initWorker",
            value: function(e) {
                var t;
                this.workers[e] || ((t = this.workerCreator()).addEventListener("message", this._onMessage.bind(this, e)),
                this.workers[e] = t)
            }
        }, {
            key: "_getIdleWorker",
            value: function() {
                for (var e = 0; e < this.pool; e++)
                    if (!(this.workerStatus & 1 << e))
                        return e;
                return -1
            }
        }, {
            key: "_onMessage",
            value: function(e, t) {
                var n, i = this.workersResolve[e];
                i && i(t),
                this.queue.length ? (i = (n = this.queue.shift()).resolve,
                t = n.msg,
                n = n.transfer,
                this.workersResolve[e] = i,
                this.workers[e].postMessage(t, n)) : this.workerStatus ^= 1 << e
            }
        }, {
            key: "setWorkerCreator",
            value: function(e) {
                this.workerCreator = e
            }
        }, {
            key: "setWorkerLimit",
            value: function(e) {
                this.pool = e
            }
        }, {
            key: "postMessage",
            value: function(n, i) {
                var r = this;
                return new Promise(function(e) {
                    var t = r._getIdleWorker();
                    -1 !== t ? (r._initWorker(t),
                    r.workerStatus |= 1 << t,
                    r.workersResolve[t] = e,
                    r.workers[t].postMessage(n, i)) : r.queue.push({
                        resolve: e,
                        msg: n,
                        transfer: i
                    })
                }
                )
            }
        }, {
            key: "dispose",
            value: function() {
                this.workers.forEach(function(e) {
                    return e.terminate()
                }),
                this.workersResolve.length = 0,
                this.workers.length = 0,
                this.queue.length = 0,
                this.workerStatus = 0
            }
        }]),
        t
    }()
      , zw = h(function e() {
        O(this, e),
        this.vkFormat = 0,
        this.typeSize = 1,
        this.pixelWidth = 0,
        this.pixelHeight = 0,
        this.pixelDepth = 0,
        this.layerCount = 0,
        this.faceCount = 1,
        this.supercompressionScheme = 0,
        this.levels = [],
        this.dataFormatDescriptor = [{
            vendorId: 0,
            descriptorType: 0,
            descriptorBlockSize: 0,
            versionNumber: 2,
            colorModel: 0,
            colorPrimaries: 1,
            transferFunction: 2,
            flags: 0,
            texelBlockDimension: [0, 0, 0, 0],
            bytesPlane: [0, 0, 0, 0, 0, 0, 0, 0],
            samples: []
        }],
        this.keyValue = {},
        this.globalData = null
    })
      , Nw = function() {
        function r(e, t, n, i) {
            O(this, r),
            this._dataView = new DataView(e.buffer,e.byteOffset + t,n),
            this._littleEndian = i,
            this._offset = 0
        }
        return h(r, [{
            key: "_nextUint8",
            value: function() {
                var e = this._dataView.getUint8(this._offset);
                return this._offset += 1,
                e
            }
        }, {
            key: "_nextUint16",
            value: function() {
                var e = this._dataView.getUint16(this._offset, this._littleEndian);
                return this._offset += 2,
                e
            }
        }, {
            key: "_nextUint32",
            value: function() {
                var e = this._dataView.getUint32(this._offset, this._littleEndian);
                return this._offset += 4,
                e
            }
        }, {
            key: "_nextUint64",
            value: function() {
                var e = this._dataView.getUint32(this._offset, this._littleEndian) + Math.pow(2, 32) * this._dataView.getUint32(this._offset + 4, this._littleEndian);
                return this._offset += 8,
                e
            }
        }, {
            key: "_nextInt32",
            value: function() {
                var e = this._dataView.getInt32(this._offset, this._littleEndian);
                return this._offset += 4,
                e
            }
        }, {
            key: "_skip",
            value: function(e) {
                return this._offset += e,
                this
            }
        }, {
            key: "_scan",
            value: function(e) {
                for (var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0, n = this._offset, i = 0; this._dataView.getUint8(this._offset) !== t && i < e; )
                    i++,
                    this._offset++;
                return i < e && this._offset++,
                new Uint8Array(this._dataView.buffer,this._dataView.byteOffset + n,i)
            }
        }]),
        r
    }()
      , Uw = (new Uint8Array([0]),
    [171, 75, 84, 88, 32, 50, 48, 187, 13, 10, 26, 10]);
    function Gw(e) {
        return "undefined" != typeof TextDecoder ? (new TextDecoder).decode(e) : Buffer.from(e).toString("utf8")
    }
    var Hw = function(e) {
        if ((A = new Uint8Array(e.buffer,e.byteOffset,Uw.length))[0] !== Uw[0] || A[1] !== Uw[1] || A[2] !== Uw[2] || A[3] !== Uw[3] || A[4] !== Uw[4] || A[5] !== Uw[5] || A[6] !== Uw[6] || A[7] !== Uw[7] || A[8] !== Uw[8] || A[9] !== Uw[9] || A[10] !== Uw[10] || A[11] !== Uw[11])
            throw new Error("Missing KTX 2.0 identifier.");
        var t = new zw
          , n = 17 * Uint32Array.BYTES_PER_ELEMENT
          , i = new Nw(e,Uw.length,n,!0);
        t.vkFormat = i._nextUint32(),
        t.typeSize = i._nextUint32(),
        t.pixelWidth = i._nextUint32(),
        t.pixelHeight = i._nextUint32(),
        t.pixelDepth = i._nextUint32(),
        t.layerCount = i._nextUint32(),
        t.faceCount = i._nextUint32();
        var r = i._nextUint32();
        t.supercompressionScheme = i._nextUint32();
        for (var a = i._nextUint32(), o = i._nextUint32(), s = i._nextUint32(), l = i._nextUint32(), u = i._nextUint64(), c = i._nextUint64(), d = new Nw(e,Uw.length + n,3 * r * 8,!0), h = 0; h < r; h++)
            t.levels.push({
                levelData: new Uint8Array(e.buffer,e.byteOffset + d._nextUint64(),d._nextUint64()),
                uncompressedByteLength: d._nextUint64()
            });
        for (var p = new Nw(e,a,o,!0), f = {
            vendorId: p._skip(4)._nextUint16(),
            descriptorType: p._nextUint16(),
            versionNumber: p._nextUint16(),
            descriptorBlockSize: p._nextUint16(),
            colorModel: p._nextUint8(),
            colorPrimaries: p._nextUint8(),
            transferFunction: p._nextUint8(),
            flags: p._nextUint8(),
            texelBlockDimension: [p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8()],
            bytesPlane: [p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8()],
            samples: []
        }, m = (f.descriptorBlockSize / 4 - 6) / 4, v = 0; v < m; v++) {
            var g = {
                bitOffset: p._nextUint16(),
                bitLength: p._nextUint8(),
                channelType: p._nextUint8(),
                samplePosition: [p._nextUint8(), p._nextUint8(), p._nextUint8(), p._nextUint8()],
                sampleLower: -1 / 0,
                sampleUpper: 1 / 0
            };
            64 & g.channelType ? (g.sampleLower = p._nextInt32(),
            g.sampleUpper = p._nextInt32()) : (g.sampleLower = p._nextUint32(),
            g.sampleUpper = p._nextUint32()),
            f.samples[v] = g
        }
        t.dataFormatDescriptor.length = 0,
        t.dataFormatDescriptor.push(f);
        for (var y = new Nw(e,s,l,!0); y._offset < l; ) {
            var w = y._nextUint32()
              , b = y._scan(w)
              , x = Gw(b)
              , b = y._scan(w - b.byteLength);
            t.keyValue[x] = x.match(/^ktx/i) ? Gw(b) : b,
            y._offset % 4 && y._skip(4 - y._offset % 4)
        }
        if (c <= 0)
            return t;
        for (var E = new Nw(e,u,c,!0), _ = E._nextUint16(), M = E._nextUint16(), A = E._nextUint32(), i = E._nextUint32(), n = E._nextUint32(), a = E._nextUint32(), T = [], S = 0; S < r; S++)
            T.push({
                imageFlags: E._nextUint32(),
                rgbSliceByteOffset: E._nextUint32(),
                rgbSliceByteLength: E._nextUint32(),
                alphaSliceByteOffset: E._nextUint32(),
                alphaSliceByteLength: E._nextUint32()
            });
        return o = u + E._offset,
        u = (c = (s = o + A) + i) + n,
        A = new Uint8Array(e.buffer,e.byteOffset + o,A),
        i = new Uint8Array(e.buffer,e.byteOffset + s,i),
        n = new Uint8Array(e.buffer,e.byteOffset + c,n),
        a = new Uint8Array(e.buffer,e.byteOffset + u,a),
        t.globalData = {
            endpointCount: _,
            selectorCount: M,
            imageDescs: T,
            endpointsData: A,
            selectorsData: i,
            tablesData: n,
            extendedData: a
        },
        t
    }
      , Vw = new WeakMap
      , jw = 0
      , Ww = function() {
        y(r, mc);
        var t = w(r);
        function r(e) {
            return O(this, r),
            (e = t.call(this, e)).transcoderPath = "",
            e.transcoderBinary = null,
            e.transcoderPending = null,
            e.workerPool = new Ow,
            e.workerSourceURL = "",
            e.workerConfig = null,
            "undefined" != typeof MSC_TRANSCODER && console.warn('THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.'),
            e
        }
        return h(r, [{
            key: "setTranscoderPath",
            value: function(e) {
                return this.transcoderPath = e,
                this
            }
        }, {
            key: "setWorkerLimit",
            value: function(e) {
                return this.workerPool.setWorkerLimit(e),
                this
            }
        }, {
            key: "detectSupport",
            value: function(e) {
                return this.workerConfig = {
                    astcSupported: e.extensions.has("WEBGL_compressed_texture_astc"),
                    etc1Supported: e.extensions.has("WEBGL_compressed_texture_etc1"),
                    etc2Supported: e.extensions.has("WEBGL_compressed_texture_etc"),
                    dxtSupported: e.extensions.has("WEBGL_compressed_texture_s3tc"),
                    bptcSupported: e.extensions.has("EXT_texture_compression_bptc"),
                    pvrtcSupported: e.extensions.has("WEBGL_compressed_texture_pvrtc") || e.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")
                },
                e.capabilities.isWebGL2 && (this.workerConfig.etc1Supported = !1),
                this
            }
        }, {
            key: "init",
            value: function() {
                var e, t, i = this;
                return this.transcoderPending || ((t = new gc(this.manager)).setPath(this.transcoderPath),
                t.setWithCredentials(this.withCredentials),
                e = t.loadAsync("basis_transcoder.js"),
                (t = new gc(this.manager)).setPath(this.transcoderPath),
                t.setResponseType("arraybuffer"),
                t.setWithCredentials(this.withCredentials),
                t = t.loadAsync("basis_transcoder.wasm"),
                this.transcoderPending = Promise.all([e, t]).then(function(e) {
                    var t = N(e, 2)
                      , n = t[0]
                      , e = t[1]
                      , t = r.BasisWorker.toString()
                      , t = ["/* constants */", "let _EngineFormat = " + JSON.stringify(r.EngineFormat), "let _TranscoderFormat = " + JSON.stringify(r.TranscoderFormat), "let _BasisFormat = " + JSON.stringify(r.BasisFormat), "/* basis_transcoder.js */", n, "/* worker */", t.substring(t.indexOf("{") + 1, t.lastIndexOf("}"))].join("\n");
                    i.workerSourceURL = URL.createObjectURL(new Blob([t])),
                    i.transcoderBinary = e,
                    i.workerPool.setWorkerCreator(function() {
                        var e = new Worker(i.workerSourceURL)
                          , t = i.transcoderBinary.slice(0);
                        return e.postMessage({
                            type: "init",
                            config: i.workerConfig,
                            transcoderBinary: t
                        }, [t]),
                        e
                    })
                }),
                0 < jw && console.warn("THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."),
                jw++),
                this.transcoderPending
            }
        }, {
            key: "load",
            value: function(e, t, n, i) {
                var r = this;
                if (null === this.workerConfig)
                    throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");
                var a = new gc(this.manager);
                a.setResponseType("arraybuffer"),
                a.setWithCredentials(this.withCredentials),
                a.load(e, function(e) {
                    return Vw.has(e) ? Vw.get(e).promise.then(t).catch(i) : void r._createTexture(e).then(function(e) {
                        return t ? t(e) : null
                    }).catch(i)
                }, n, i)
            }
        }, {
            key: "_createTextureFrom",
            value: function(e) {
                var t = e.mipmaps
                  , n = e.width
                  , i = e.height
                  , r = e.format
                  , a = e.type
                  , o = e.error
                  , s = e.dfdTransferFn
                  , e = e.dfdFlags;
                if ("error" === a)
                    return Promise.reject(o);
                r = new bl(t,n,i,r,Ue);
                return r.minFilter = 1 === t.length ? Oe : Ne,
                r.magFilter = Oe,
                r.generateMipmaps = !1,
                r.needsUpdate = !0,
                r.encoding = 2 === s ? an : rn,
                r.premultiplyAlpha = !!(1 & e),
                r
            }
        }, {
            key: "_createTexture",
            value: function(e) {
                var t = this
                  , n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
                  , i = Hw(new Uint8Array(e));
                if (0 !== i.vkFormat)
                    return function(e) {
                        var t = e.vkFormat
                          , n = e.pixelWidth
                          , i = e.pixelHeight
                          , r = e.pixelDepth;
                        if (void 0 === Xw[t])
                            throw new Error("THREE.KTX2Loader: Unsupported vkFormat.");
                        var e = e.levels[0].levelData;
                        e = qw[t] === Xe ? new Float32Array(e.buffer,e.byteOffset,e.byteLength / Float32Array.BYTES_PER_ELEMENT) : qw[t] === qe ? new Uint16Array(e.buffer,e.byteOffset,e.byteLength / Uint16Array.BYTES_PER_ELEMENT) : e;
                        r = 0 === r ? new ia(e,n,i) : new Data3DTexture(e,n,i,r);
                        return r.type = qw[t],
                        r.format = Xw[t],
                        r.encoding = Jw[t] || rn,
                        r.needsUpdate = !0,
                        Promise.resolve(r)
                    }(i);
                var r = n
                  , n = this.init().then(function() {
                    return t.workerPool.postMessage({
                        type: "transcode",
                        buffer: e,
                        taskConfig: r
                    }, [e])
                }).then(function(e) {
                    return t._createTextureFrom(e.data)
                });
                return Vw.set(e, {
                    promise: n
                }),
                n
            }
        }, {
            key: "dispose",
            value: function() {
                return this.workerPool.dispose(),
                this.workerSourceURL && URL.revokeObjectURL(this.workerSourceURL),
                jw--,
                this
            }
        }]),
        r
    }();
    Ww.BasisFormat = {
        ETC1S: 0,
        UASTC_4x4: 1
    },
    Ww.TranscoderFormat = {
        ETC1: 0,
        ETC2: 1,
        BC1: 2,
        BC3: 3,
        BC4: 4,
        BC5: 5,
        BC7_M6_OPAQUE_ONLY: 6,
        BC7_M5: 7,
        PVRTC1_4_RGB: 8,
        PVRTC1_4_RGBA: 9,
        ASTC_4x4: 10,
        ATC_RGB: 11,
        ATC_RGBA_INTERPOLATED_ALPHA: 12,
        RGBA32: 13,
        RGB565: 14,
        BGR565: 15,
        RGBA4444: 16
    },
    Ww.EngineFormat = {
        RGBAFormat: et,
        RGBA_ASTC_4x4_Format: _t,
        RGBA_BPTC_Format: Ot,
        RGBA_ETC2_EAC_Format: Et,
        RGBA_PVRTC_4BPPV1_Format: yt,
        RGBA_S3TC_DXT5_Format: mt,
        RGB_ETC1_Format: bt,
        RGB_ETC2_Format: xt,
        RGB_PVRTC_4BPPV1_Format: vt,
        RGB_S3TC_DXT1_Format: ht
    },
    Ww.BasisWorker = function() {
        var m, n, v, g = _EngineFormat, y = _TranscoderFormat, w = _BasisFormat;
        self.addEventListener("message", function(e) {
            var t, c = e.data;
            switch (c.type) {
            case "init":
                m = c.config,
                t = c.transcoderBinary,
                n = new Promise(function(e) {
                    v = {
                        wasmBinary: t,
                        onRuntimeInitialized: e
                    },
                    BASIS(v)
                }
                ).then(function() {
                    v.initializeBasis(),
                    void 0 === v.KTX2File && console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")
                });
                break;
            case "transcode":
                n.then(function() {
                    try {
                        for (var e = function(e) {
                            var t = new v.KTX2File(new Uint8Array(e));
                            function n() {
                                t.close(),
                                t.delete()
                            }
                            if (!t.isValid())
                                throw n(),
                                new Error("THREE.KTX2Loader:\tInvalid or unsupported .ktx2 file");
                            var i = t.isUASTC() ? w.UASTC_4x4 : w.ETC1S
                              , r = t.getWidth()
                              , a = t.getHeight()
                              , o = t.getLevels()
                              , s = t.getHasAlpha()
                              , l = t.getDFDTransferFunc()
                              , e = t.getDFDFlags()
                              , i = function(e, t, n, i) {
                                for (var r, a, o = e === w.ETC1S ? b : x, s = 0; s < o.length; s++) {
                                    var l = o[s];
                                    if (m[l.if] && (l.basisFormat.includes(e) && !(i && l.transcoderFormat.length < 2) && (!l.needsPowerOfTwo || E(t) && E(n))))
                                        return r = l.transcoderFormat[i ? 1 : 0],
                                        a = l.engineFormat[i ? 1 : 0],
                                        {
                                            transcoderFormat: r,
                                            engineFormat: a
                                        }
                                }
                                return console.warn("THREE.KTX2Loader: No suitable compressed texture format found. Decoding to RGBA32."),
                                r = y.RGBA32,
                                a = g.RGBAFormat,
                                {
                                    transcoderFormat: r,
                                    engineFormat: a
                                }
                            }(i, r, a, s)
                              , u = i.transcoderFormat
                              , i = i.engineFormat;
                            if (!r || !a || !o)
                                throw n(),
                                new Error("THREE.KTX2Loader:\tInvalid texture");
                            if (!t.startTranscoding())
                                throw n(),
                                new Error("THREE.KTX2Loader: .startTranscoding failed");
                            for (var c = [], d = 0; d < o; d++) {
                                var h = t.getImageLevelInfo(d, 0, 0)
                                  , p = h.origWidth
                                  , f = h.origHeight
                                  , h = new Uint8Array(t.getImageTranscodedSizeInBytes(d, 0, 0, u));
                                if (!t.transcodeImage(h, d, 0, 0, u, 0, -1, -1))
                                    throw n(),
                                    new Error("THREE.KTX2Loader: .transcodeImage failed.");
                                c.push({
                                    data: h,
                                    width: p,
                                    height: f
                                })
                            }
                            return n(),
                            {
                                width: r,
                                height: a,
                                hasAlpha: s,
                                mipmaps: c,
                                format: i,
                                dfdTransferFn: l,
                                dfdFlags: e
                            }
                        }(c.buffer), t = e.width, n = e.height, i = e.hasAlpha, r = e.mipmaps, a = e.format, o = e.dfdTransferFn, s = e.dfdFlags, l = [], u = 0; u < r.length; ++u)
                            l.push(r[u].data.buffer);
                        self.postMessage({
                            type: "transcode",
                            id: c.id,
                            width: t,
                            height: n,
                            hasAlpha: i,
                            mipmaps: r,
                            format: a,
                            dfdTransferFn: o,
                            dfdFlags: s
                        }, l)
                    } catch (e) {
                        console.error(e),
                        self.postMessage({
                            type: "error",
                            id: c.id,
                            error: e.message
                        })
                    }
                })
            }
        });
        var e = [{
            if: "astcSupported",
            basisFormat: [w.UASTC_4x4],
            transcoderFormat: [y.ASTC_4x4, y.ASTC_4x4],
            engineFormat: [g.RGBA_ASTC_4x4_Format, g.RGBA_ASTC_4x4_Format],
            priorityETC1S: 1 / 0,
            priorityUASTC: 1,
            needsPowerOfTwo: !1
        }, {
            if: "bptcSupported",
            basisFormat: [w.ETC1S, w.UASTC_4x4],
            transcoderFormat: [y.BC7_M5, y.BC7_M5],
            engineFormat: [g.RGBA_BPTC_Format, g.RGBA_BPTC_Format],
            priorityETC1S: 3,
            priorityUASTC: 2,
            needsPowerOfTwo: !1
        }, {
            if: "dxtSupported",
            basisFormat: [w.ETC1S, w.UASTC_4x4],
            transcoderFormat: [y.BC1, y.BC3],
            engineFormat: [g.RGB_S3TC_DXT1_Format, g.RGBA_S3TC_DXT5_Format],
            priorityETC1S: 4,
            priorityUASTC: 5,
            needsPowerOfTwo: !1
        }, {
            if: "etc2Supported",
            basisFormat: [w.ETC1S, w.UASTC_4x4],
            transcoderFormat: [y.ETC1, y.ETC2],
            engineFormat: [g.RGB_ETC2_Format, g.RGBA_ETC2_EAC_Format],
            priorityETC1S: 1,
            priorityUASTC: 3,
            needsPowerOfTwo: !1
        }, {
            if: "etc1Supported",
            basisFormat: [w.ETC1S, w.UASTC_4x4],
            transcoderFormat: [y.ETC1],
            engineFormat: [g.RGB_ETC1_Format],
            priorityETC1S: 2,
            priorityUASTC: 4,
            needsPowerOfTwo: !1
        }, {
            if: "pvrtcSupported",
            basisFormat: [w.ETC1S, w.UASTC_4x4],
            transcoderFormat: [y.PVRTC1_4_RGB, y.PVRTC1_4_RGBA],
            engineFormat: [g.RGB_PVRTC_4BPPV1_Format, g.RGBA_PVRTC_4BPPV1_Format],
            priorityETC1S: 5,
            priorityUASTC: 6,
            needsPowerOfTwo: !0
        }]
          , b = e.sort(function(e, t) {
            return e.priorityETC1S - t.priorityETC1S
        })
          , x = e.sort(function(e, t) {
            return e.priorityUASTC - t.priorityUASTC
        });
        function E(e) {
            return e <= 2 || 0 == (e & e - 1) && 0 !== e
        }
    }
    ;
    var Xw = (H(Ou = {}, 109, et),
    H(Ou, 97, et),
    H(Ou, 37, et),
    H(Ou, 43, et),
    H(Ou, 103, lt),
    H(Ou, 83, lt),
    H(Ou, 16, lt),
    H(Ou, 22, lt),
    H(Ou, 100, ot),
    H(Ou, 76, ot),
    H(Ou, 15, ot),
    H(Ou, 9, ot),
    Ou)
      , qw = (H(Ch = {}, 109, Xe),
    H(Ch, 97, qe),
    H(Ch, 37, Ue),
    H(Ch, 43, Ue),
    H(Ch, 103, Xe),
    H(Ch, 83, qe),
    H(Ch, 16, Ue),
    H(Ch, 22, Ue),
    H(Ch, 100, Xe),
    H(Ch, 76, qe),
    H(Ch, 15, Ue),
    H(Ch, 9, Ue),
    Ch)
      , Jw = (H(rh = {}, 43, an),
    H(rh, 22, an),
    H(rh, 15, an),
    rh);
    function Yw(e) {
        wc.call(this, e)
    }
    var Zw = function() {
        var e = new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0, 1, 4, 1, 96, 0, 0, 3, 3, 2, 0, 0, 5, 3, 1, 0, 1, 12, 1, 0, 10, 22, 2, 12, 0, 65, 0, 65, 0, 65, 0, 252, 10, 0, 0, 11, 7, 0, 65, 0, 253, 15, 26, 11])
          , a = new Uint8Array([32, 0, 65, 253, 3, 1, 2, 34, 4, 106, 6, 5, 11, 8, 7, 20, 13, 33, 12, 16, 128, 9, 116, 64, 19, 113, 127, 15, 10, 21, 22, 14, 255, 66, 24, 54, 136, 107, 18, 23, 192, 26, 114, 118, 132, 17, 77, 101, 130, 144, 27, 87, 131, 44, 45, 74, 156, 154, 70, 167]);
        if ("object" !== ("undefined" == typeof WebAssembly ? "undefined" : X(WebAssembly)))
            return {
                supported: !1
            };
        var d, t = "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";
        WebAssembly.validate(e) && (t = "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",
        console.log("Warning: meshopt_decoder is using experimental SIMD support"));
        t = WebAssembly.instantiate(function(e) {
            for (var t = new Uint8Array(e.length), n = 0; n < e.length; ++n) {
                var i = e.charCodeAt(n);
                t[n] = 96 < i ? i - 71 : 64 < i ? i - 65 : 47 < i ? i + 4 : 46 < i ? 63 : 62
            }
            for (var r = 0, n = 0; n < e.length; ++n)
                t[r++] = t[n] < 60 ? a[t[n]] : 64 * (t[n] - 60) + t[++n];
            return t.buffer.slice(0, r)
        }(t), {}).then(function(e) {
            (d = e.instance).exports.__wasm_call_ctors()
        });
        function o(e, t, n, i, r, a) {
            var o = d.exports.sbrk
              , s = n + 3 & -4
              , l = o(s * i)
              , u = o(r.length)
              , c = new Uint8Array(d.exports.memory.buffer);
            c.set(r, u);
            r = e(l, n, i, u, r.length);
            if (0 == r && a && a(l, s, i),
            t.set(c.subarray(l, l + n * i)),
            o(l - o(0)),
            0 != r)
                throw new Error("Malformed buffer data: " + r)
        }
        var s = {
            0: "",
            1: "meshopt_decodeFilterOct",
            2: "meshopt_decodeFilterQuat",
            3: "meshopt_decodeFilterExp",
            NONE: "",
            OCTAHEDRAL: "meshopt_decodeFilterOct",
            QUATERNION: "meshopt_decodeFilterQuat",
            EXPONENTIAL: "meshopt_decodeFilterExp"
        }
          , l = {
            0: "meshopt_decodeVertexBuffer",
            1: "meshopt_decodeIndexBuffer",
            2: "meshopt_decodeIndexSequence",
            ATTRIBUTES: "meshopt_decodeVertexBuffer",
            TRIANGLES: "meshopt_decodeIndexBuffer",
            INDICES: "meshopt_decodeIndexSequence"
        };
        return {
            ready: t,
            supported: !0,
            decodeVertexBuffer: function(e, t, n, i, r) {
                o(d.exports.meshopt_decodeVertexBuffer, e, t, n, i, d.exports[s[r]])
            },
            decodeIndexBuffer: function(e, t, n, i) {
                o(d.exports.meshopt_decodeIndexBuffer, e, t, n, i)
            },
            decodeIndexSequence: function(e, t, n, i) {
                o(d.exports.meshopt_decodeIndexSequence, e, t, n, i)
            },
            decodeGltfBuffer: function(e, t, n, i, r, a) {
                o(d.exports[l[r]], e, t, n, i, d.exports[s[a]])
            }
        }
    }();
    Yw.prototype = Object.assign(Object.create(wc.prototype), {
        constructor: Yw,
        parse: function(e, t) {
            var n = {
                mipmaps: [],
                width: 0,
                height: 0,
                format: null,
                mipmapCount: 1
            };
            function i(e) {
                return e.charCodeAt(0) + (e.charCodeAt(1) << 8) + (e.charCodeAt(2) << 16) + (e.charCodeAt(3) << 24)
            }
            var r, a = i("DXT1"), o = i("DXT3"), s = i("DXT5"), l = i("ETC1"), u = new Int32Array(e,0,31);
            if (542327876 !== u[0])
                return console.error("THREE.DDSLoader.parse: Invalid magic number in DDS header."),
                n;
            if (4 & !u[20])
                return console.error("THREE.DDSLoader.parse: Unsupported format, must contain a FourCC code."),
                n;
            var c = u[21]
              , d = !1;
            switch (c) {
            case a:
                r = 8,
                n.format = ht;
                break;
            case o:
                r = 16,
                n.format = ft;
                break;
            case s:
                r = 16,
                n.format = mt;
                break;
            case l:
                r = 8,
                n.format = bt;
                break;
            default:
                if (!(32 === u[22] && 16711680 & u[23] && 65280 & u[24] && 255 & u[25] && 4278190080 & u[26]))
                    return console.error("THREE.DDSLoader.parse: Unsupported FourCC code ", String.fromCharCode(255 & c, c >> 8 & 255, c >> 16 & 255, c >> 24 & 255)),
                    n;
                d = !0,
                r = 64,
                n.format = et
            }
            n.mipmapCount = 1,
            131072 & u[2] && !1 !== t && (n.mipmapCount = Math.max(1, u[7]));
            t = u[28];
            if (n.isCubemap = !!(512 & t),
            n.isCubemap && (!(1024 & t) || !(2048 & t) || !(4096 & t) || !(8192 & t) || !(16384 & t) || !(32768 & t)))
                return console.error("THREE.DDSLoader.parse: Incomplete cubemap faces"),
                n;
            n.width = u[4],
            n.height = u[3];
            for (var h = u[1] + 4, p = n.isCubemap ? 6 : 1, f = 0; f < p; f++)
                for (var m, v, g = n.width, y = n.height, w = 0; w < n.mipmapCount; w++)
                    d ? m = (v = function(e, t, n, i) {
                        for (var r = n * i * 4, a = new Uint8Array(e,t,r), o = new Uint8Array(r), s = 0, l = 0, u = 0; u < i; u++)
                            for (var c = 0; c < n; c++) {
                                var d = a[l]
                                  , h = a[++l]
                                  , p = a[++l]
                                  , f = a[++l];
                                l++,
                                o[s] = p,
                                o[++s] = h,
                                o[++s] = d,
                                o[++s] = f,
                                s++
                            }
                        return o
                    }(e, h, g, y)).length : (m = Math.max(4, g) / 4 * Math.max(4, y) / 4 * r,
                    v = new Uint8Array(e,h,m)),
                    n.mipmaps.push({
                        data: v,
                        width: g,
                        height: y
                    }),
                    h += m,
                    g = Math.max(g >> 1, 1),
                    y = Math.max(y >> 1, 1);
            return n
        }
    });
    var Qw = function() {
        function e(e, t, n) {
            mc.call(this, e),
            this.dracoLoader = new Iw,
            this.ktx2Loader = new Ww,
            this.meshoptDecoder = Zw,
            this.ddsLoader = new Yw,
            this.dracoLoader.setDecoderPath(n + "three.js/loaders/draco/"),
            this.ktx2Loader.setTranscoderPath(n + "three.js/loaders/ktx/").detectSupport(t),
            this.pluginCallbacks = [],
            this.register(function(e) {
                return new r(e)
            }),
            this.register(function(e) {
                return new o(e)
            }),
            this.register(function(e) {
                return new s(e)
            }),
            this.register(function(e) {
                return new a(e)
            }),
            this.register(function(e) {
                return new i(e)
            }),
            this.register(function(e) {
                return new l(e)
            })
        }
        function n() {
            var n = {};
            return {
                get: function(e) {
                    return n[e]
                },
                add: function(e, t) {
                    n[e] = t
                },
                remove: function(e) {
                    delete n[e]
                },
                removeAll: function() {
                    n = {}
                }
            }
        }
        e.prototype = Object.assign(Object.create(mc.prototype), {
            constructor: e,
            load: function(n, i, e, t) {
                var r = this
                  , a = "" !== this.resourcePath ? this.resourcePath : "" !== this.path ? this.path : ld.extractUrlBase(n);
                this.manager.itemStart(n);
                function o(e) {
                    t ? t(e) : console.error(e),
                    r.manager.itemError(n),
                    r.manager.itemEnd(n)
                }
                var s = new gc(this.manager);
                s.setPath(this.path),
                s.setResponseType("arraybuffer"),
                s.setRequestHeader(this.requestHeader),
                s.setWithCredentials(this.withCredentials),
                s.load(n, function(e, t) {
                    console.log("数据加载成功", n.split("/").pop(), "  ,total: " + t);
                    !function() {
                        try {
                            r.parse(e, a, function(e) {
                                i(e, t),
                                r.manager.itemEnd(n)
                            }, o)
                        } catch (e) {
                            o(e)
                        }
                    }()
                }, e, o)
            },
            setDRACOLoader: function(e) {
                return this.dracoLoader = e,
                this
            },
            setDDSLoader: function(e) {
                return this.ddsLoader = e,
                this
            },
            setKTX2Loader: function(e) {
                return this.ktx2Loader = e,
                this
            },
            setMeshoptDecoder: function(e) {
                return this.meshoptDecoder = e,
                this
            },
            register: function(e) {
                return -1 === this.pluginCallbacks.indexOf(e) && this.pluginCallbacks.push(e),
                this
            },
            unregister: function(e) {
                return -1 !== this.pluginCallbacks.indexOf(e) && this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e), 1),
                this
            },
            parse: function(e, t, n, i) {
                var r, a = {}, o = {};
                if ("string" == typeof e)
                    r = e;
                else if (ld.decodeText(new Uint8Array(e,0,4)) === v) {
                    try {
                        a[p.KHR_BINARY_GLTF] = new g(e)
                    } catch (e) {
                        return void (i && i(e))
                    }
                    r = a[p.KHR_BINARY_GLTF].content
                } else
                    r = ld.decodeText(new Uint8Array(e));
                var s = JSON.parse(r);
                if (void 0 === s.asset || s.asset.version[0] < 2)
                    i && i(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported."));
                else {
                    var l = new V(s,{
                        path: t || this.resourcePath || "",
                        crossOrigin: this.crossOrigin,
                        manager: this.manager,
                        ktx2Loader: this.ktx2Loader,
                        meshoptDecoder: this.meshoptDecoder
                    });
                    l.unlitMat = this.unlitMat,
                    l.fileLoader.setRequestHeader(this.requestHeader);
                    for (var u = 0; u < this.pluginCallbacks.length; u++) {
                        var c = this.pluginCallbacks[u](l);
                        a[(o[c.name] = c).name] = !0
                    }
                    if (s.extensionsUsed)
                        for (u = 0; u < s.extensionsUsed.length; ++u) {
                            var d = s.extensionsUsed[u]
                              , h = s.extensionsRequired || [];
                            switch (d) {
                            case p.KHR_MATERIALS_UNLIT:
                                a[d] = new m;
                                break;
                            case p.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
                                a[d] = new b;
                                break;
                            case p.KHR_DRACO_MESH_COMPRESSION:
                                a[d] = new y(s,this.dracoLoader);
                                break;
                            case p.MSFT_TEXTURE_DDS:
                                a[d] = new f(this.ddsLoader);
                                break;
                            case p.KHR_TEXTURE_TRANSFORM:
                                a[d] = new w;
                                break;
                            case p.KHR_MESH_QUANTIZATION:
                                a[d] = new x;
                                break;
                            default:
                                0 <= h.indexOf(d) && void 0 === o[d] && console.warn('THREE.GLTFLoader: Unknown extension "' + d + '".')
                            }
                        }
                    l.setExtensions(a),
                    l.setPlugins(o),
                    l.parse(n, i)
                }
            }
        });
        var p = {
            KHR_BINARY_GLTF: "KHR_binary_glTF",
            KHR_DRACO_MESH_COMPRESSION: "KHR_draco_mesh_compression",
            KHR_LIGHTS_PUNCTUAL: "KHR_lights_punctual",
            KHR_MATERIALS_CLEARCOAT: "KHR_materials_clearcoat",
            KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: "KHR_materials_pbrSpecularGlossiness",
            KHR_MATERIALS_TRANSMISSION: "KHR_materials_transmission",
            KHR_MATERIALS_UNLIT: "KHR_materials_unlit",
            KHR_TEXTURE_BASISU: "KHR_texture_basisu",
            KHR_TEXTURE_TRANSFORM: "KHR_texture_transform",
            KHR_MESH_QUANTIZATION: "KHR_mesh_quantization",
            EXT_TEXTURE_WEBP: "EXT_texture_webp",
            EXT_MESHOPT_COMPRESSION: "EXT_meshopt_compression",
            MSFT_TEXTURE_DDS: "MSFT_texture_dds"
        };
        function f(e) {
            if (!e)
                throw new Error("THREE.GLTFLoader: Attempting to load .dds texture without importing DDSLoader");
            this.name = p.MSFT_TEXTURE_DDS,
            this.ddsLoader = e
        }
        function i(e) {
            this.parser = e,
            this.name = p.KHR_LIGHTS_PUNCTUAL,
            this.cache = {
                refs: {},
                uses: {}
            }
        }
        function m() {
            this.name = p.KHR_MATERIALS_UNLIT
        }
        function r(e) {
            this.parser = e,
            this.name = p.KHR_MATERIALS_CLEARCOAT
        }
        function a(e) {
            this.parser = e,
            this.name = p.KHR_MATERIALS_TRANSMISSION
        }
        function o(e) {
            this.parser = e,
            this.name = p.KHR_TEXTURE_BASISU
        }
        function s(e) {
            this.parser = e,
            this.name = p.EXT_TEXTURE_WEBP,
            this.isSupported = null
        }
        function l(e) {
            this.name = p.EXT_MESHOPT_COMPRESSION,
            this.parser = e
        }
        i.prototype._markDefs = function() {
            for (var e = this.parser, t = this.parser.json.nodes || [], n = 0, i = t.length; n < i; n++) {
                var r = t[n];
                r.extensions && r.extensions[this.name] && void 0 !== r.extensions[this.name].light && e._addNodeRef(this.cache, r.extensions[this.name].light)
            }
        }
        ,
        i.prototype._loadLight = function(e) {
            var t = this.parser
              , n = "light:" + e
              , i = t.cache.get(n);
            if (i)
                return i;
            var r, a = t.json, o = ((a.extensions && a.extensions[this.name] || {}).lights || [])[e], s = new Yi(16777215);
            void 0 !== o.color && s.fromArray(o.color);
            var l = void 0 !== o.range ? o.range : 0;
            switch (o.type) {
            case "directional":
                (r = new nd(s)).target.position.set(0, 0, -1),
                r.add(r.target);
                break;
            case "point":
                (r = new $c(s)).distance = l;
                break;
            case "spot":
                (r = new Qc(s)).distance = l,
                o.spot = o.spot || {},
                o.spot.innerConeAngle = void 0 !== o.spot.innerConeAngle ? o.spot.innerConeAngle : 0,
                o.spot.outerConeAngle = void 0 !== o.spot.outerConeAngle ? o.spot.outerConeAngle : Math.PI / 4,
                r.angle = o.spot.outerConeAngle,
                r.penumbra = 1 - o.spot.innerConeAngle / o.spot.outerConeAngle,
                r.target.position.set(0, 0, -1),
                r.add(r.target);
                break;
            default:
                throw new Error("THREE.GLTFLoader: Unexpected light type: " + o.type)
            }
            return r.position.set(0, 0, 0),
            r.decay = 2,
            void 0 !== o.intensity && (r.intensity = o.intensity),
            r.name = t.createUniqueName(o.name || "light_" + e),
            i = Promise.resolve(r),
            t.cache.add(n, i),
            i
        }
        ,
        i.prototype.createNodeAttachment = function(e) {
            var t = this
              , n = this.parser
              , e = n.json.nodes[e]
              , i = (e.extensions && e.extensions[this.name] || {}).light;
            return void 0 === i ? null : this._loadLight(i).then(function(e) {
                return n._getNodeRef(t.cache, i, e)
            })
        }
        ,
        m.prototype.getMaterialType = function() {
            return $i
        }
        ,
        m.prototype.extendParams = function(e, t, n) {
            var i = [];
            e.color = new Yi(1,1,1),
            e.opacity = 1;
            var r = t.pbrMetallicRoughness;
            return r && (Array.isArray(r.baseColorFactor) && (t = r.baseColorFactor,
            e.color.fromArray(t),
            e.opacity = t[3]),
            void 0 !== r.baseColorTexture && i.push(n.assignTexture(e, "map", r.baseColorTexture))),
            Promise.all(i)
        }
        ,
        r.prototype.getMaterialType = function(e) {
            e = this.parser.json.materials[e];
            return e.extensions && e.extensions[this.name] ? Vu : null
        }
        ,
        r.prototype.extendMaterialParams = function(e, t) {
            var n = this.parser
              , i = n.json.materials[e];
            if (!i.extensions || !i.extensions[this.name])
                return Promise.resolve();
            var e = []
              , i = i.extensions[this.name];
            return void 0 !== i.clearcoatFactor && (t.clearcoat = i.clearcoatFactor),
            void 0 !== i.clearcoatTexture && e.push(n.assignTexture(t, "clearcoatMap", i.clearcoatTexture)),
            void 0 !== i.clearcoatRoughnessFactor && (t.clearcoatRoughness = i.clearcoatRoughnessFactor),
            void 0 !== i.clearcoatRoughnessTexture && e.push(n.assignTexture(t, "clearcoatRoughnessMap", i.clearcoatRoughnessTexture)),
            void 0 !== i.clearcoatNormalTexture && (e.push(n.assignTexture(t, "clearcoatNormalMap", i.clearcoatNormalTexture)),
            void 0 !== i.clearcoatNormalTexture.scale && (i = i.clearcoatNormalTexture.scale,
            t.clearcoatNormalScale = new yn(i,i))),
            Promise.all(e)
        }
        ,
        a.prototype.getMaterialType = function(e) {
            e = this.parser.json.materials[e];
            return e.extensions && e.extensions[this.name] ? Vu : null
        }
        ,
        a.prototype.extendMaterialParams = function(e, t) {
            var n = this.parser
              , i = n.json.materials[e];
            if (!i.extensions || !i.extensions[this.name])
                return Promise.resolve();
            e = [],
            i = i.extensions[this.name];
            return void 0 !== i.transmissionFactor && (t.transmission = i.transmissionFactor),
            void 0 !== i.transmissionTexture && e.push(n.assignTexture(t, "transmissionMap", i.transmissionTexture)),
            Promise.all(e)
        }
        ,
        o.prototype.loadTexture = function(e) {
            var t = this.parser
              , n = t.json
              , i = n.textures[e];
            if (!i.extensions || !i.extensions[this.name])
                return null;
            var r = i.extensions[this.name]
              , i = n.images[r.source]
              , r = t.options.ktx2Loader;
            if (r)
                return t.loadTextureImage(e, i, r);
            if (n.extensionsRequired && 0 <= n.extensionsRequired.indexOf(this.name))
                throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");
            return null
        }
        ,
        s.prototype.loadTexture = function(t) {
            var n = this.name
              , i = this.parser
              , r = i.json
              , e = r.textures[t];
            if (!e.extensions || !e.extensions[n])
                return null;
            var e = e.extensions[n]
              , a = r.images[e.source]
              , o = a.uri ? i.options.manager.getHandler(a.uri) : i.textureLoader;
            return this.detectSupport().then(function(e) {
                if (e)
                    return i.loadTextureImage(t, a, o);
                if (r.extensionsRequired && 0 <= r.extensionsRequired.indexOf(n))
                    throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");
                return i.loadTexture(t)
            })
        }
        ,
        s.prototype.detectSupport = function() {
            return this.isSupported || (this.isSupported = new Promise(function(e) {
                var t = new Image;
                t.src = "data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",
                t.onload = t.onerror = function() {
                    e(1 === t.height)
                }
            }
            )),
            this.isSupported
        }
        ,
        l.prototype.loadBufferView = function(e) {
            var t = this.parser.json
              , e = t.bufferViews[e];
            if (e.extensions && e.extensions[this.name]) {
                var o = e.extensions[this.name]
                  , e = this.parser.getDependency("buffer", o.buffer)
                  , s = this.parser.options.meshoptDecoder;
                if (s && s.supported)
                    return Promise.all([e, s.ready]).then(function(e) {
                        var t = o.byteOffset || 0
                          , n = o.byteLength || 0
                          , i = o.count
                          , r = o.byteStride
                          , a = new ArrayBuffer(i * r)
                          , n = new Uint8Array(e[0],t,n);
                        return s.decodeGltfBuffer(new Uint8Array(a), i, r, n, o.mode, o.filter),
                        a
                    });
                if (t.extensionsRequired && 0 <= t.extensionsRequired.indexOf(this.name))
                    throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");
                return null
            }
            return null
        }
        ;
        var v = "glTF"
          , u = 12
          , c = {
            JSON: 1313821514,
            BIN: 5130562
        };
        function g(e) {
            this.name = p.KHR_BINARY_GLTF,
            this.content = null,
            this.body = null;
            var t = new DataView(e,0,u);
            if (this.header = {
                magic: ld.decodeText(new Uint8Array(e.slice(0, 4))),
                version: t.getUint32(4, !0),
                length: t.getUint32(8, !0)
            },
            this.header.magic !== v)
                throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");
            if (this.header.version < 2)
                throw new Error("THREE.GLTFLoader: Legacy binary file detected.");
            for (var n = new DataView(e,u), i = 0; i < n.byteLength; ) {
                var r = n.getUint32(i, !0);
                i += 4;
                var a, o = n.getUint32(i, !0);
                i += 4,
                o === c.JSON ? (a = new Uint8Array(e,u + i,r),
                this.content = ld.decodeText(a)) : o === c.BIN && (this.body = e.slice(o = u + i, o + r)),
                i += r
            }
            if (null === this.content)
                throw new Error("THREE.GLTFLoader: JSON content not found.")
        }
        function y(e, t) {
            if (!t)
                throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");
            this.name = p.KHR_DRACO_MESH_COMPRESSION,
            this.json = e,
            this.dracoLoader = t,
            this.dracoLoader.preload()
        }
        function w() {
            this.name = p.KHR_TEXTURE_TRANSFORM
        }
        function d(e) {
            Hu.call(this),
            this.isGLTFSpecularGlossinessMaterial = !0;
            var n = ["#ifdef USE_SPECULARMAP", "\tuniform sampler2D specularMap;", "#endif"].join("\n")
              , i = ["#ifdef USE_GLOSSINESSMAP", "\tuniform sampler2D glossinessMap;", "#endif"].join("\n")
              , r = ["vec3 specularFactor = specular;", "#ifdef USE_SPECULARMAP", "\tvec4 texelSpecular = texture2D( specularMap, vUv );", "\ttexelSpecular = sRGBToLinear( texelSpecular );", "\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture", "\tspecularFactor *= texelSpecular.rgb;", "#endif"].join("\n")
              , a = ["float glossinessFactor = glossiness;", "#ifdef USE_GLOSSINESSMAP", "\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );", "\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture", "\tglossinessFactor *= texelGlossiness.a;", "#endif"].join("\n")
              , o = ["PhysicalMaterial material;", "material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );", "vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );", "float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );", "material.specularRoughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.", "material.specularRoughness += geometryRoughness;", "material.specularRoughness = min( material.specularRoughness, 1.0 );", "material.specularColor = specularFactor;"].join("\n")
              , s = {
                specular: {
                    value: (new Yi).setHex(16777215)
                },
                glossiness: {
                    value: 1
                },
                specularMap: {
                    value: null
                },
                glossinessMap: {
                    value: null
                }
            };
            this._extraUniforms = s,
            this.onBeforeCompile = function(e) {
                for (var t in s)
                    e.uniforms[t] = s[t];
                e.fragmentShader = e.fragmentShader.replace("uniform float roughness;", "uniform vec3 specular;").replace("uniform float metalness;", "uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>", n).replace("#include <metalnessmap_pars_fragment>", i).replace("#include <roughnessmap_fragment>", r).replace("#include <metalnessmap_fragment>", a).replace("#include <lights_physical_fragment>", o)
            }
            ,
            Object.defineProperties(this, {
                specular: {
                    get: function() {
                        return s.specular.value
                    },
                    set: function(e) {
                        s.specular.value = e
                    }
                },
                specularMap: {
                    get: function() {
                        return s.specularMap.value
                    },
                    set: function(e) {
                        (s.specularMap.value = e) ? this.defines.USE_SPECULARMAP = "" : delete this.defines.USE_SPECULARMAP
                    }
                },
                glossiness: {
                    get: function() {
                        return s.glossiness.value
                    },
                    set: function(e) {
                        s.glossiness.value = e
                    }
                },
                glossinessMap: {
                    get: function() {
                        return s.glossinessMap.value
                    },
                    set: function(e) {
                        (s.glossinessMap.value = e) ? (this.defines.USE_GLOSSINESSMAP = "",
                        this.defines.USE_UV = "") : (delete this.defines.USE_GLOSSINESSMAP,
                        delete this.defines.USE_UV)
                    }
                }
            }),
            delete this.metalness,
            delete this.roughness,
            delete this.metalnessMap,
            delete this.roughnessMap,
            this.setValues(e)
        }
        function b() {
            return {
                name: p.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
                specularGlossinessParams: ["color", "map", "lightMap", "lightMapIntensity", "aoMap", "aoMapIntensity", "emissive", "emissiveIntensity", "emissiveMap", "bumpMap", "bumpScale", "normalMap", "normalMapType", "displacementMap", "displacementScale", "displacementBias", "specularMap", "specular", "glossinessMap", "glossiness", "alphaMap", "envMap", "envMapIntensity", "refractionRatio"],
                getMaterialType: function() {
                    return d
                },
                extendParams: function(e, t, n) {
                    var i = t.extensions[this.name];
                    e.color = new Yi(1,1,1),
                    e.opacity = 1;
                    var r = [];
                    return Array.isArray(i.diffuseFactor) && (t = i.diffuseFactor,
                    e.color.fromArray(t),
                    e.opacity = t[3]),
                    void 0 !== i.diffuseTexture && r.push(n.assignTexture(e, "map", i.diffuseTexture)),
                    e.emissive = new Yi(0,0,0),
                    e.glossiness = void 0 !== i.glossinessFactor ? i.glossinessFactor : 1,
                    e.specular = new Yi(1,1,1),
                    Array.isArray(i.specularFactor) && e.specular.fromArray(i.specularFactor),
                    void 0 !== i.specularGlossinessTexture && (i = i.specularGlossinessTexture,
                    r.push(n.assignTexture(e, "glossinessMap", i)),
                    r.push(n.assignTexture(e, "specularMap", i))),
                    Promise.all(r)
                },
                createMaterial: function(e) {
                    var t = new d(e);
                    return t.fog = !0,
                    t.color = e.color,
                    t.map = void 0 === e.map ? null : e.map,
                    t.lightMap = null,
                    t.lightMapIntensity = 1,
                    t.aoMap = void 0 === e.aoMap ? null : e.aoMap,
                    t.aoMapIntensity = 1,
                    t.emissive = e.emissive,
                    t.emissiveIntensity = 1,
                    t.emissiveMap = void 0 === e.emissiveMap ? null : e.emissiveMap,
                    t.bumpMap = void 0 === e.bumpMap ? null : e.bumpMap,
                    t.bumpScale = 1,
                    t.normalMap = void 0 === e.normalMap ? null : e.normalMap,
                    t.normalMapType = sn,
                    e.normalScale && (t.normalScale = e.normalScale),
                    t.displacementMap = null,
                    t.displacementScale = 1,
                    t.displacementBias = 0,
                    t.specularMap = void 0 === e.specularMap ? null : e.specularMap,
                    t.specular = e.specular,
                    t.glossinessMap = void 0 === e.glossinessMap ? null : e.glossinessMap,
                    t.glossiness = e.glossiness,
                    t.alphaMap = null,
                    t.envMap = void 0 === e.envMap ? null : e.envMap,
                    t.envMapIntensity = 1,
                    t.refractionRatio = .98,
                    t
                }
            }
        }
        function x() {
            this.name = p.KHR_MESH_QUANTIZATION
        }
        function T(e, t, n, i) {
            Ku.call(this, e, t, n, i)
        }
        y.prototype.decodePrimitive = function(e, t) {
            var n, i = this.json, r = this.dracoLoader, a = e.extensions[this.name].bufferView, o = e.extensions[this.name].attributes, s = {}, l = {}, u = {};
            for (n in o) {
                var c = L[n] || n.toLowerCase();
                s[c] = o[n]
            }
            for (n in e.attributes) {
                var d, h, c = L[n] || n.toLowerCase();
                void 0 !== o[n] && (d = i.accessors[e.attributes[n]],
                h = D[d.componentType],
                u[c] = h,
                l[c] = !0 === d.normalized)
            }
            return t.getDependency("bufferView", a).then(function(e) {
                return new Promise(function(i) {
                    r.decodeDracoFile(e, function(e) {
                        for (var t in e.attributes) {
                            var n = e.attributes[t]
                              , t = l[t];
                            void 0 !== t && (n.normalized = t)
                        }
                        i(e)
                    }, s, u)
                }
                )
            })
        }
        ,
        w.prototype.extendTexture = function(e, t) {
            return e = e.clone(),
            void 0 !== t.offset && e.offset.fromArray(t.offset),
            void 0 !== t.rotation && (e.rotation = t.rotation),
            void 0 !== t.scale && e.repeat.fromArray(t.scale),
            void 0 !== t.texCoord && console.warn('THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.'),
            e.needsUpdate = !0,
            e
        }
        ,
        ((d.prototype = Object.create(Hu.prototype)).constructor = d).prototype.copy = function(e) {
            return Hu.prototype.copy.call(this, e),
            this.specularMap = e.specularMap,
            this.specular.copy(e.specular),
            this.glossinessMap = e.glossinessMap,
            this.glossiness = e.glossiness,
            delete this.metalness,
            delete this.roughness,
            delete this.metalnessMap,
            delete this.roughnessMap,
            this
        }
        ,
        ((T.prototype = Object.create(Ku.prototype)).constructor = T).prototype.beforeStart_ = T.prototype.copySampleValue_ = function(e) {
            for (var t = this.resultBuffer, n = this.sampleValues, i = this.valueSize, r = e * i * 3 + i, a = 0; a !== i; a++)
                t[a] = n[r + a];
            return t
        }
        ,
        T.prototype.afterEnd_ = T.prototype.copySampleValue_,
        T.prototype.interpolate_ = function(e, t, n, i) {
            for (var r = this.resultBuffer, a = this.sampleValues, o = this.valueSize, s = 2 * o, l = 3 * o, u = i - t, i = (n - t) / u, n = i * i, t = n * i, c = e * l, d = c - l, h = -2 * t + 3 * n, p = t - n, f = 1 - h, m = p - n + i, v = 0; v !== o; v++) {
                var g = a[d + v + o]
                  , y = a[d + v + s] * u
                  , w = a[c + v + o]
                  , b = a[c + v] * u;
                r[v] = f * g + m * y + h * w + p * b
            }
            return r
        }
        ;
        var E = 0
          , _ = 1
          , M = 2
          , A = 3
          , S = 4
          , C = 5
          , P = 6
          , D = {
            5120: Int8Array,
            5121: Uint8Array,
            5122: Int16Array,
            5123: Uint16Array,
            5125: Uint32Array,
            5126: Float32Array
        }
          , h = {
            9728: Re,
            9729: Oe,
            9984: Fe,
            9985: ze,
            9986: Ie,
            9987: Ne
        }
          , k = {
            33071: Be,
            33648: Le,
            10497: ke
        }
          , B = {
            SCALAR: 1,
            VEC2: 2,
            VEC3: 3,
            VEC4: 4,
            MAT2: 4,
            MAT3: 9,
            MAT4: 16
        }
          , L = {
            POSITION: "position",
            NORMAL: "normal",
            TANGENT: "tangent",
            TEXCOORD_0: "uv",
            TEXCOORD_1: "uv2",
            COLOR_0: "color",
            WEIGHTS_0: "skinWeight",
            JOINTS_0: "skinIndex"
        }
          , R = {
            scale: "scale",
            translation: "position",
            rotation: "quaternion",
            weights: "morphTargetInfluences"
        }
          , F = {
            CUBICSPLINE: void 0,
            LINEAR: $t,
            STEP: Kt
        }
          , I = "OPAQUE"
          , O = "MASK"
          , z = "BLEND";
        function N(e, t) {
            return "string" != typeof e || "" === e ? "" : (/^https?:\/\//i.test(t) && /^\//.test(e) && (t = t.replace(/(^https?:\/\/[^\/]+).*/i, "$1")),
            /^(https?:)?\/\//i.test(e) || /^data:.*,.*$/i.test(e) || /^blob:.*$/i.test(e) ? e : t + e)
        }
        function U(e, t, n) {
            for (var i in n.extensions)
                void 0 === e[i] && (t.userData.gltfExtensions = t.userData.gltfExtensions || {},
                t.userData.gltfExtensions[i] = n.extensions[i])
        }
        function G(e, t) {
            void 0 !== t.extras && ("object" === X(t.extras) ? Object.assign(e.userData, t.extras) : console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, " + t.extras))
        }
        function H(e) {
            for (var t = "", n = Object.keys(e).sort(), i = 0, r = n.length; i < r; i++)
                t += n[i] + ":" + e[n[i]] + ";";
            return t
        }
        function V(e, t) {
            this.json = e || {},
            this.extensions = {},
            this.plugins = {},
            this.options = t || {},
            this.cache = new n,
            this.associations = new Map,
            this.primitiveCache = {},
            this.meshCache = {
                refs: {},
                uses: {}
            },
            this.cameraCache = {
                refs: {},
                uses: {}
            },
            this.lightCache = {
                refs: {},
                uses: {}
            },
            this.nodeNamesUsed = {},
            this.textureLoader = new _c(this.options.manager),
            this.textureLoader.setCrossOrigin(this.options.crossOrigin),
            this.fileLoader = new gc(this.options.manager),
            this.fileLoader.setResponseType("arraybuffer"),
            "use-credentials" === this.options.crossOrigin && this.fileLoader.setWithCredentials(!0)
        }
        function j(n, e, i) {
            var t, r, a = e.attributes, o = [];
            for (t in a) {
                var s = L[t] || t.toLowerCase();
                s in n.attributes || o.push(function(e, t) {
                    return i.getDependency("accessor", e).then(function(e) {
                        n.setAttribute(t, e)
                    })
                }(a[t], s))
            }
            return void 0 === e.indices || n.index || (r = i.getDependency("accessor", e.indices).then(function(e) {
                n.setIndex(e)
            }),
            o.push(r)),
            G(n, e),
            function(e, t, n) {
                var i = t.attributes
                  , r = new kn;
                if (void 0 !== i.POSITION) {
                    var a = (h = n.json.accessors[i.POSITION]).min
                      , o = h.max;
                    if (void 0 !== a && void 0 !== o) {
                        r.set(new Cn(a[0],a[1],a[2]), new Cn(o[0],o[1],o[2]));
                        var s = t.targets;
                        if (void 0 !== s) {
                            for (var l = new Cn, u = new Cn, c = 0, d = s.length; c < d; c++) {
                                var h, p = s[c];
                                void 0 !== p.POSITION && (a = (h = n.json.accessors[p.POSITION]).min,
                                o = h.max,
                                void 0 !== a && void 0 !== o ? (u.setX(Math.max(Math.abs(a[0]), Math.abs(o[0]))),
                                u.setY(Math.max(Math.abs(a[1]), Math.abs(o[1]))),
                                u.setZ(Math.max(Math.abs(a[2]), Math.abs(o[2]))),
                                l.max(u)) : console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION."))
                            }
                            r.expandByVector(l)
                        }
                        e.boundingBox = r;
                        t = new qn;
                        r.getCenter(t.center),
                        t.radius = r.min.distanceTo(r.max) / 2,
                        e.boundingSphere = t
                    } else
                        console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")
                }
            }(n, e, i),
            Promise.all(o).then(function() {
                return void 0 !== e.targets ? function(n, e, t) {
                    for (var i = !1, r = !1, a = 0, o = e.length; a < o; a++)
                        if (void 0 !== (c = e[a]).POSITION && (i = !0),
                        void 0 !== c.NORMAL && (r = !0),
                        i && r)
                            break;
                    if (!i && !r)
                        return Promise.resolve(n);
                    for (var s = [], l = [], a = 0, o = e.length; a < o; a++) {
                        var u, c = e[a];
                        i && (u = void 0 !== c.POSITION ? t.getDependency("accessor", c.POSITION) : n.attributes.position,
                        s.push(u)),
                        r && (u = void 0 !== c.NORMAL ? t.getDependency("accessor", c.NORMAL) : n.attributes.normal,
                        l.push(u))
                    }
                    return Promise.all([Promise.all(s), Promise.all(l)]).then(function(e) {
                        var t = e[0]
                          , e = e[1];
                        return i && (n.morphAttributes.position = t),
                        r && (n.morphAttributes.normal = e),
                        n.morphTargetsRelative = !0,
                        n
                    })
                }(n, e.targets, i) : n
            })
        }
        function W(e, t) {
            var n = e.getIndex();
            if (null === n) {
                var i = []
                  , r = e.getAttribute("position");
                if (void 0 === r)
                    return console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),
                    e;
                for (var a = 0; a < r.count; a++)
                    i.push(a);
                e.setIndex(i),
                n = e.getIndex()
            }
            var o = n.count - 2
              , s = [];
            if (2 === t)
                for (a = 1; a <= o; a++)
                    s.push(n.getX(0)),
                    s.push(n.getX(a)),
                    s.push(n.getX(a + 1));
            else
                for (a = 0; a < o; a++)
                    a % 2 == 0 ? (s.push(n.getX(a)),
                    s.push(n.getX(a + 1)),
                    s.push(n.getX(a + 2))) : (s.push(n.getX(a + 2)),
                    s.push(n.getX(a + 1)),
                    s.push(n.getX(a)));
            s.length / 3 != o && console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");
            e = e.clone();
            return e.setIndex(s),
            e
        }
        return V.prototype.setExtensions = function(e) {
            this.extensions = e
        }
        ,
        V.prototype.setPlugins = function(e) {
            this.plugins = e
        }
        ,
        V.prototype.parse = function(t, e) {
            var n = this
              , i = this.json
              , r = this.extensions;
            this.cache.removeAll(),
            this._invokeAll(function(e) {
                return e._markDefs && e._markDefs()
            }),
            Promise.all([this.getDependencies("scene"), this.getDependencies("animation"), this.getDependencies("camera")]).then(function(e) {
                e = {
                    scene: e[0][i.scene || 0],
                    scenes: e[0],
                    animations: e[1],
                    cameras: e[2],
                    asset: i.asset,
                    parser: n,
                    userData: {}
                };
                U(r, e, i),
                G(e, i),
                t(e)
            }).catch(e)
        }
        ,
        V.prototype._markDefs = function() {
            for (var e = this.json.nodes || [], t = this.json.skins || [], n = this.json.meshes || [], i = 0, r = t.length; i < r; i++)
                for (var a = t[i].joints, o = 0, s = a.length; o < s; o++)
                    e[a[o]].isBone = !0;
            for (var l = 0, u = e.length; l < u; l++) {
                var c = e[l];
                void 0 !== c.mesh && (this._addNodeRef(this.meshCache, c.mesh),
                void 0 !== c.skin && (n[c.mesh].isSkinnedMesh = !0)),
                void 0 !== c.camera && this._addNodeRef(this.cameraCache, c.camera)
            }
        }
        ,
        V.prototype._addNodeRef = function(e, t) {
            void 0 !== t && (void 0 === e.refs[t] && (e.refs[t] = e.uses[t] = 0),
            e.refs[t]++)
        }
        ,
        V.prototype._getNodeRef = function(e, t, n) {
            if (e.refs[t] <= 1)
                return n;
            n = n.clone();
            return n.name += "_instance_" + e.uses[t]++,
            n
        }
        ,
        V.prototype._invokeOne = function(e) {
            var t = Object.values(this.plugins);
            t.push(this);
            for (var n = 0; n < t.length; n++) {
                var i = e(t[n]);
                if (i)
                    return i
            }
        }
        ,
        V.prototype._invokeAll = function(e) {
            var t = Object.values(this.plugins);
            t.unshift(this);
            for (var n = [], i = 0; i < t.length; i++) {
                var r = e(t[i]);
                r && n.push(r)
            }
            return n
        }
        ,
        V.prototype.getDependency = function(e, t) {
            var n = e + ":" + t
              , i = this.cache.get(n);
            if (!i) {
                switch (e) {
                case "scene":
                    i = this.loadScene(t);
                    break;
                case "node":
                    i = this.loadNode(t);
                    break;
                case "mesh":
                    i = this._invokeOne(function(e) {
                        return e.loadMesh && e.loadMesh(t)
                    });
                    break;
                case "accessor":
                    i = this.loadAccessor(t);
                    break;
                case "bufferView":
                    i = this._invokeOne(function(e) {
                        return e.loadBufferView && e.loadBufferView(t)
                    });
                    break;
                case "buffer":
                    i = this.loadBuffer(t);
                    break;
                case "material":
                    i = this._invokeOne(function(e) {
                        return e.loadMaterial && e.loadMaterial(t)
                    });
                    break;
                case "texture":
                    i = this._invokeOne(function(e) {
                        return e.loadTexture && e.loadTexture(t)
                    });
                    break;
                case "skin":
                    i = this.loadSkin(t);
                    break;
                case "animation":
                    i = this.loadAnimation(t);
                    break;
                case "camera":
                    i = this.loadCamera(t);
                    break;
                default:
                    throw new Error("Unknown type: " + e)
                }
                this.cache.add(n, i)
            }
            return i
        }
        ,
        V.prototype.getDependencies = function(n) {
            var i, e, t = this.cache.get(n);
            return t || (e = (i = this).json[n + ("mesh" === n ? "es" : "s")] || [],
            t = Promise.all(e.map(function(e, t) {
                return i.getDependency(n, t)
            })),
            this.cache.add(n, t)),
            t
        }
        ,
        V.prototype.loadBuffer = function(e) {
            var n = this.json.buffers[e]
              , i = this.fileLoader;
            if (n.type && "arraybuffer" !== n.type)
                throw new Error("THREE.GLTFLoader: " + n.type + " buffer type is not supported.");
            if (void 0 === n.uri && 0 === e)
                return Promise.resolve(this.extensions[p.KHR_BINARY_GLTF].body);
            var r = this.options;
            return new Promise(function(e, t) {
                i.load(N(n.uri, r.path), e, void 0, function() {
                    t(new Error('THREE.GLTFLoader: Failed to load buffer "' + n.uri + '".'))
                })
            }
            )
        }
        ,
        V.prototype.loadBufferView = function(e) {
            var i = this.json.bufferViews[e];
            return this.getDependency("buffer", i.buffer).then(function(e) {
                var t = i.byteLength || 0
                  , n = i.byteOffset || 0;
                return e.slice(n, n + t)
            })
        }
        ,
        V.prototype.loadAccessor = function(e) {
            var g = this
              , y = this.json
              , w = this.json.accessors[e];
            if (void 0 === w.bufferView && void 0 === w.sparse)
                return Promise.resolve(null);
            e = [];
            return void 0 !== w.bufferView ? e.push(this.getDependency("bufferView", w.bufferView)) : e.push(null),
            void 0 !== w.sparse && (e.push(this.getDependency("bufferView", w.sparse.indices.bufferView)),
            e.push(this.getDependency("bufferView", w.sparse.values.bufferView))),
            Promise.all(e).then(function(e) {
                var t, n, i, r = e[0], a = B[w.type], o = D[w.componentType], s = o.BYTES_PER_ELEMENT, l = w.byteOffset || 0, u = void 0 !== w.bufferView ? y.bufferViews[w.bufferView].byteStride : void 0, c = !0 === w.normalized, d = u && u !== s * a ? (t = Math.floor(l / u),
                n = "InterleavedBuffer:" + w.bufferView + ":" + w.componentType + ":" + t + ":" + w.count,
                (i = g.cache.get(n)) || (i = new ys(new o(r,t * u,w.count * u / s),u / s),
                g.cache.add(n, i)),
                new xs(i,a,l % u / s,c)) : new nr(null === r ? new o(w.count * a) : new o(r,l,w.count * a),a,c);
                if (void 0 !== w.sparse) {
                    var s = D[w.sparse.indices.componentType]
                      , l = w.sparse.indices.byteOffset || 0
                      , c = w.sparse.values.byteOffset || 0
                      , h = new s(e[1],l,w.sparse.count * B.SCALAR)
                      , p = new o(e[2],c,w.sparse.count * a);
                    null !== r && (d = new nr(d.array.slice(),d.itemSize,d.normalized));
                    for (var f = 0, m = h.length; f < m; f++) {
                        var v = h[f];
                        if (d.setX(v, p[f * a]),
                        2 <= a && d.setY(v, p[f * a + 1]),
                        3 <= a && d.setZ(v, p[f * a + 2]),
                        4 <= a && d.setW(v, p[f * a + 3]),
                        5 <= a)
                            throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")
                    }
                }
                return d
            })
        }
        ,
        V.prototype.loadTexture = function(e) {
            var t = this.json
              , n = this.options
              , i = t.textures[e]
              , r = i.extensions || {}
              , i = r[p.MSFT_TEXTURE_DDS] ? t.images[r[p.MSFT_TEXTURE_DDS].source] : t.images[i.source]
              , a = (a = i.uri ? n.manager.getHandler(i.uri) : a) || (r[p.MSFT_TEXTURE_DDS] ? this.extensions[p.MSFT_TEXTURE_DDS].ddsLoader : this.textureLoader);
            return this.loadTextureImage(e, i, a)
        }
        ,
        V.prototype.loadTextureImage = function(n, i, e) {
            var r = this
              , a = this.json
              , o = (this.options,
            a.textures[n])
              , s = self.URL || self.webkitURL
              , l = i.uri
              , u = !1
              , c = !0;
            return "image/jpeg" === i.mimeType && (c = !1),
            void 0 !== i.bufferView && (l = r.getDependency("bufferView", i.bufferView).then(function(e) {
                var t;
                "image/png" === i.mimeType && (t = new DataView(e,25,1).getUint8(0, !1),
                c = 6 === t || 4 === t || 3 === t),
                u = !0;
                e = new Blob([e],{
                    type: i.mimeType
                });
                return l = s.createObjectURL(e)
            })),
            Promise.resolve(l).then(function(n) {
                return new Promise(function(t, e) {
                    r.textureLoader.load(n, function(e) {
                        e.minFilter = THREE.LinearMipmapLinearFilter,
                        t(e)
                    })
                }
                )
            }).then(function(e) {
                !0 === u && s.revokeObjectURL(l),
                e.flipY = !1,
                o.name && (e.name = o.name),
                c || (e.format = $e);
                var t = (a.samplers || {})[o.sampler] || {};
                return e.magFilter = h[t.magFilter] || Oe,
                e.minFilter = h[t.minFilter] || Ne,
                e.wrapS = k[t.wrapS] || ke,
                e.wrapT = k[t.wrapT] || ke,
                r.associations.set(e, {
                    type: "textures",
                    index: n
                }),
                e
            })
        }
        ,
        V.prototype.assignTexture = function(i, r, a) {
            var o = this;
            return this.getDependency("texture", a.index).then(function(e) {
                var t, n;
                void 0 === a.texCoord || 0 == a.texCoord || "aoMap" === r && 1 == a.texCoord || console.warn("THREE.GLTFLoader: Custom UV set " + a.texCoord + " for texture " + r + " not yet supported."),
                !o.extensions[p.KHR_TEXTURE_TRANSFORM] || (t = void 0 !== a.extensions ? a.extensions[p.KHR_TEXTURE_TRANSFORM] : void 0) && (n = o.associations.get(e),
                e = o.extensions[p.KHR_TEXTURE_TRANSFORM].extendTexture(e, t),
                o.associations.set(e, n)),
                i[r] = e
            })
        }
        ,
        V.prototype.assignFinalMaterial = function(e) {
            var t, n, i, r = e.geometry, a = e.material, o = void 0 !== r.attributes.tangent, s = void 0 !== r.attributes.color, l = void 0 === r.attributes.normal, u = !0 === e.isSkinnedMesh, c = 0 < Object.keys(r.morphAttributes).length, d = c && void 0 !== r.morphAttributes.normal;
            e.isPoints ? (n = "PointsMaterial:" + a.uuid,
            (t = this.cache.get(n)) || (t = new hl,
            Ki.prototype.copy.call(t, a),
            t.color.copy(a.color),
            t.map = a.map,
            t.sizeAttenuation = !1,
            this.cache.add(n, t)),
            a = t) : e.isLine && (n = "LineBasicMaterial:" + a.uuid,
            (i = this.cache.get(n)) || (i = new tl,
            Ki.prototype.copy.call(i, a),
            i.color.copy(a.color),
            this.cache.add(n, i)),
            a = i),
            (o || s || l || u || c) && (n = "ClonedMaterial:" + a.uuid + ":",
            a.isGLTFSpecularGlossinessMaterial && (n += "specular-glossiness:"),
            u && (n += "skinning:"),
            o && (n += "vertex-tangents:"),
            s && (n += "vertex-colors:"),
            l && (n += "flat-shading:"),
            c && (n += "morph-targets:"),
            d && (n += "morph-normals:"),
            (i = this.cache.get(n)) || (i = a.clone(),
            u && (i.skinning = !0),
            o && (i.vertexTangents = !0),
            s && (i.vertexColors = !0),
            l && (i.flatShading = !0),
            c && (i.morphTargets = !0),
            d && (i.morphNormals = !0),
            this.cache.add(n, i),
            this.associations.set(i, this.associations.get(a))),
            a = i),
            a.aoMap && void 0 === r.attributes.uv2 && void 0 !== r.attributes.uv && r.setAttribute("uv2", r.attributes.uv),
            a.normalScale && !o && (a.normalScale.y = -a.normalScale.y),
            a.clearcoatNormalScale && !o && (a.clearcoatNormalScale.y = -a.clearcoatNormalScale.y),
            e.material = a
        }
        ,
        V.prototype.getMaterialType = function() {
            return this.unlitMat ? $i : Hu
        }
        ,
        V.prototype.loadMaterial = function(t) {
            var n, e, i = this, r = this.json, a = this.extensions, o = r.materials[t], s = {}, l = o.extensions || {}, u = [];
            l[p.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS] ? (r = a[p.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS],
            n = r.getMaterialType(),
            u.push(r.extendParams(s, o, i))) : l[p.KHR_MATERIALS_UNLIT] ? (e = a[p.KHR_MATERIALS_UNLIT],
            n = e.getMaterialType(),
            u.push(e.extendParams(s, o, i))) : (c = o.pbrMetallicRoughness || {},
            s.color = new Yi(1,1,1),
            s.opacity = 1,
            Array.isArray(c.baseColorFactor) && (e = c.baseColorFactor,
            s.color.fromArray(e),
            s.opacity = e[3]),
            void 0 !== c.baseColorTexture && u.push(i.assignTexture(s, "map", c.baseColorTexture)),
            s.metalness = void 0 !== c.metallicFactor ? c.metallicFactor : 1,
            s.roughness = void 0 !== c.roughnessFactor ? c.roughnessFactor : 1,
            void 0 !== c.metallicRoughnessTexture && (u.push(i.assignTexture(s, "metalnessMap", c.metallicRoughnessTexture)),
            u.push(i.assignTexture(s, "roughnessMap", c.metallicRoughnessTexture))),
            n = this._invokeOne(function(e) {
                return e.getMaterialType && e.getMaterialType(t)
            }),
            u.push(Promise.all(this._invokeAll(function(e) {
                return e.extendMaterialParams && e.extendMaterialParams(t, s)
            })))),
            !0 === o.doubleSided && (s.side = Y);
            var c = o.alphaMode || I;
            return c === z ? (s.transparent = !0,
            s.depthWrite = !1) : (s.transparent = !1,
            c === O && (s.alphaTest = void 0 !== o.alphaCutoff ? o.alphaCutoff : .5)),
            void 0 !== o.normalTexture && n !== $i && (u.push(i.assignTexture(s, "normalMap", o.normalTexture)),
            s.normalScale = new yn(1,1),
            void 0 !== o.normalTexture.scale && s.normalScale.set(o.normalTexture.scale, o.normalTexture.scale)),
            void 0 !== o.occlusionTexture && n !== $i && (u.push(i.assignTexture(s, "aoMap", o.occlusionTexture)),
            void 0 !== o.occlusionTexture.strength && (s.aoMapIntensity = o.occlusionTexture.strength)),
            void 0 !== o.emissiveFactor && n !== $i && (s.emissive = (new Yi).fromArray(o.emissiveFactor)),
            void 0 !== o.emissiveTexture && n !== $i && u.push(i.assignTexture(s, "emissiveMap", o.emissiveTexture)),
            Promise.all(u).then(function() {
                var e = n === d ? a[p.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(s) : new n(s);
                return o.name && (e.name = o.name),
                e.map && (e.map.encoding = an),
                e.emissiveMap && (e.emissiveMap.encoding = an),
                G(e, o),
                i.associations.set(e, {
                    type: "materials",
                    index: t
                }),
                o.extensions && U(a, e, o),
                e
            })
        }
        ,
        V.prototype.createUniqueName = function(e) {
            for (var t = eh.sanitizeNodeName(e || ""), n = t, i = 1; this.nodeNamesUsed[n]; ++i)
                n = t + "_" + i;
            return this.nodeNamesUsed[n] = !0,
            n
        }
        ,
        V.prototype.loadGeometries = function(e) {
            var n = this
              , i = this.extensions
              , t = this.primitiveCache;
            for (var r = [], a = 0, o = e.length; a < o; a++) {
                var s = e[a]
                  , l = (l = void 0,
                u = (l = (u = s).extensions && u.extensions[p.KHR_DRACO_MESH_COMPRESSION]) ? "draco:" + l.bufferView + ":" + l.indices + ":" + H(l.attributes) : u.indices + ":" + H(u.attributes) + ":" + u.mode)
                  , u = t[l];
                u ? r.push(u.promise) : (u = s.extensions && s.extensions[p.KHR_DRACO_MESH_COMPRESSION] ? function(t) {
                    return i[p.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(t, n).then(function(e) {
                        return j(e, t, n)
                    })
                }(s) : j(new Mr, s, n),
                t[l] = {
                    primitive: s,
                    promise: u
                },
                r.push(u))
            }
            return Promise.all(r)
        }
        ,
        V.prototype.loadMesh = function(d) {
            for (var h = this, e = this.json, p = this.extensions, f = e.meshes[d], m = f.primitives, t = [], n = 0, i = m.length; n < i; n++) {
                var r = void 0 === m[n].material ? (void 0 === (r = this.cache).DefaultMaterial && (r.DefaultMaterial = new Hu({
                    color: 16777215,
                    emissive: 0,
                    metalness: 1,
                    roughness: 1,
                    transparent: !1,
                    depthTest: !0,
                    side: q
                })),
                r.DefaultMaterial) : this.getDependency("material", m[n].material);
                t.push(r)
            }
            return t.push(h.loadGeometries(m)),
            Promise.all(t).then(function(e) {
                for (var t = e.slice(0, e.length - 1), n = e[e.length - 1], i = [], r = 0, a = n.length; r < a; r++) {
                    var o, s = n[r], l = m[r], u = t[r];
                    if (l.mode === S || l.mode === C || l.mode === P || void 0 === l.mode)
                        !0 !== (o = new (!0 === f.isSkinnedMesh ? Ws : Hr)(s,u)).isSkinnedMesh || o.geometry.attributes.skinWeight.normalized || o.normalizeSkinWeights(),
                        l.mode === C ? o.geometry = W(o.geometry, 1) : l.mode === P && (o.geometry = W(o.geometry, 2));
                    else if (l.mode === _)
                        o = new cl(s,u);
                    else if (l.mode === A)
                        o = new sl(s,u);
                    else if (l.mode === M)
                        o = new dl(s,u);
                    else {
                        if (l.mode !== E)
                            throw new Error("THREE.GLTFLoader: Primitive mode unsupported: " + l.mode);
                        o = new gl(s,u)
                    }
                    0 < Object.keys(o.geometry.morphAttributes).length && function(e, t) {
                        if (e.updateMorphTargets(),
                        void 0 !== t.weights)
                            for (var n = 0, i = t.weights.length; n < i; n++)
                                e.morphTargetInfluences[n] = t.weights[n];
                        if (t.extras && Array.isArray(t.extras.targetNames)) {
                            var r = t.extras.targetNames;
                            if (e.morphTargetInfluences.length === r.length) {
                                e.morphTargetDictionary = {};
                                for (n = 0,
                                i = r.length; n < i; n++)
                                    e.morphTargetDictionary[r[n]] = n
                            } else
                                console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")
                        }
                    }(o, f),
                    o.name = h.createUniqueName(f.name || "mesh_" + d),
                    G(o, f),
                    l.extensions && U(p, o, l),
                    h.assignFinalMaterial(o),
                    i.push(o)
                }
                if (1 === i.length)
                    return i[0];
                for (var c = new us, r = 0, a = i.length; r < a; r++)
                    c.add(i[r]);
                return c
            })
        }
        ,
        V.prototype.loadCamera = function(e) {
            var t, n = this.json.cameras[e], e = n[n.type];
            if (e)
                return "perspective" === n.type ? t = new $r(gn.radToDeg(e.yfov),e.aspectRatio || 1,e.znear || 1,e.zfar || 2e6) : "orthographic" === n.type && (t = new ed(-e.xmag,e.xmag,e.ymag,-e.ymag,e.znear,e.zfar)),
                n.name && (t.name = this.createUniqueName(n.name)),
                G(t, n),
                Promise.resolve(t);
            console.warn("THREE.GLTFLoader: Missing camera parameters.")
        }
        ,
        V.prototype.loadSkin = function(e) {
            var e = this.json.skins[e]
              , t = {
                joints: e.joints
            };
            return void 0 === e.inverseBindMatrices ? Promise.resolve(t) : this.getDependency("accessor", e.inverseBindMatrices).then(function(e) {
                return t.inverseBindMatrices = e,
                t
            })
        }
        ,
        V.prototype.loadAnimation = function(M) {
            for (var A = this.json.animations[M], e = [], t = [], n = [], i = [], r = [], a = 0, o = A.channels.length; a < o; a++) {
                var s = A.channels[a]
                  , l = A.samplers[s.sampler]
                  , u = s.target
                  , c = void 0 !== u.node ? u.node : u.id
                  , d = void 0 !== A.parameters ? A.parameters[l.input] : l.input
                  , s = void 0 !== A.parameters ? A.parameters[l.output] : l.output;
                e.push(this.getDependency("node", c)),
                t.push(this.getDependency("accessor", d)),
                n.push(this.getDependency("accessor", s)),
                i.push(l),
                r.push(u)
            }
            return Promise.all([Promise.all(e), Promise.all(t), Promise.all(n), Promise.all(i), Promise.all(r)]).then(function(e) {
                for (var t = e[0], n = e[1], i = e[2], r = e[3], a = e[4], o = [], s = 0, l = t.length; s < l; s++) {
                    var u, c = t[s], d = n[s], h = i[s], p = r[s], f = a[s];
                    if (void 0 !== c) {
                        switch (c.updateMatrix(),
                        c.matrixAutoUpdate = !0,
                        R[f.path]) {
                        case R.weights:
                            u = ac;
                            break;
                        case R.rotation:
                            u = sc;
                            break;
                        default:
                            u = uc
                        }
                        var m = c.name || c.uuid
                          , v = void 0 !== p.interpolation ? F[p.interpolation] : $t
                          , g = [];
                        R[f.path] === R.weights ? c.traverse(function(e) {
                            !0 === e.isMesh && e.morphTargetInfluences && g.push(e.name || e.uuid)
                        }) : g.push(m);
                        var y, w = h.array;
                        if (h.normalized) {
                            if (w.constructor === Int8Array)
                                y = 1 / 127;
                            else if (w.constructor === Uint8Array)
                                y = 1 / 255;
                            else if (w.constructor == Int16Array)
                                y = 1 / 32767;
                            else {
                                if (w.constructor !== Uint16Array)
                                    throw new Error("THREE.GLTFLoader: Unsupported output accessor component type.");
                                y = 1 / 65535
                            }
                            for (var b = new Float32Array(w.length), x = 0, E = w.length; x < E; x++)
                                b[x] = w[x] * y;
                            w = b
                        }
                        for (x = 0,
                        E = g.length; x < E; x++) {
                            var _ = new u(g[x] + "." + R[f.path],d.array,w,v);
                            "CUBICSPLINE" === p.interpolation && (_.createInterpolant = function(e) {
                                return new T(this.times,this.values,this.getValueSize() / 3,e)
                            }
                            ,
                            _.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = !0),
                            o.push(_)
                        }
                    }
                }
                return new cc(A.name || "animation_" + M,void 0,o)
            })
        }
        ,
        V.prototype.loadNode = function(a) {
            var t, e = this.json, o = this.extensions, s = this, l = e.nodes[a], u = l.name ? s.createUniqueName(l.name) : "";
            return t = [],
            void 0 !== l.mesh && t.push(s.getDependency("mesh", l.mesh).then(function(e) {
                e = s._getNodeRef(s.meshCache, l.mesh, e);
                return void 0 !== l.weights && e.traverse(function(e) {
                    if (e.isMesh)
                        for (var t = 0, n = l.weights.length; t < n; t++)
                            e.morphTargetInfluences[t] = l.weights[t]
                }),
                e
            })),
            void 0 !== l.camera && t.push(s.getDependency("camera", l.camera).then(function(e) {
                return s._getNodeRef(s.cameraCache, l.camera, e)
            })),
            s._invokeAll(function(e) {
                return e.createNodeAttachment && e.createNodeAttachment(a)
            }).forEach(function(e) {
                t.push(e)
            }),
            Promise.all(t).then(function(e) {
                var t, n = !0 === l.isBone ? new Xs : 1 < e.length ? new us : 1 === e.length ? e[0] : new Si;
                if (n !== e[0])
                    for (var i = 0, r = e.length; i < r; i++)
                        n.add(e[i]);
                return l.name && (n.userData.name = l.name,
                n.name = u),
                G(n, l),
                l.extensions && U(o, n, l),
                void 0 !== l.matrix ? ((t = new ni).fromArray(l.matrix),
                n.applyMatrix4(t)) : (void 0 !== l.translation && n.position.fromArray(l.translation),
                void 0 !== l.rotation && n.quaternion.fromArray(l.rotation),
                void 0 !== l.scale && n.scale.fromArray(l.scale)),
                s.associations.set(n, {
                    type: "nodes",
                    index: a
                }),
                n
            })
        }
        ,
        V.prototype.loadScene = function(e) {
            var t = this.json
              , n = this.extensions
              , e = this.json.scenes[e]
              , i = new us;
            e.name && (i.name = this.createUniqueName(e.name)),
            G(i, e),
            e.extensions && U(n, i, e);
            for (var r = e.nodes || [], a = [], o = 0, s = r.length; o < s; o++)
                a.push(function o(e, s, l, u) {
                    var c = l.nodes[e];
                    return u.getDependency("node", e).then(function(e) {
                        return void 0 === c.skin ? e : u.getDependency("skin", c.skin).then(function(e) {
                            for (var t = [], n = 0, i = (s = e).joints.length; n < i; n++)
                                t.push(u.getDependency("node", s.joints[n]));
                            return Promise.all(t)
                        }).then(function(o) {
                            return e.traverse(function(e) {
                                if (e.isMesh) {
                                    for (var t = [], n = [], i = 0, r = o.length; i < r; i++) {
                                        var a = o[i];
                                        a ? (t.push(a),
                                        a = new ni,
                                        void 0 !== s.inverseBindMatrices && a.fromArray(s.inverseBindMatrices.array, 16 * i),
                                        n.push(a)) : console.warn('THREE.GLTFLoader: Joint "%s" could not be found.', s.joints[i])
                                    }
                                    e.bind(new Ys(t,n), e.matrixWorld)
                                }
                            }),
                            e
                        });
                        var s
                    }).then(function(e) {
                        s.add(e);
                        var t = [];
                        if (c.children)
                            for (var n = c.children, i = 0, r = n.length; i < r; i++) {
                                var a = n[i];
                                t.push(o(a, e, l, u))
                            }
                        return Promise.all(t)
                    })
                }(r[o], i, t, this));
            return Promise.all(a).then(function() {
                return i
            })
        }
        ,
        e
    }()
      , Kw = {
        Handedness: Object.freeze({
            NONE: "none",
            LEFT: "left",
            RIGHT: "right"
        }),
        ComponentState: Object.freeze({
            DEFAULT: "default",
            TOUCHED: "touched",
            PRESSED: "pressed"
        }),
        ComponentProperty: Object.freeze({
            BUTTON: "button",
            X_AXIS: "xAxis",
            Y_AXIS: "yAxis",
            STATE: "state"
        }),
        ComponentType: Object.freeze({
            TRIGGER: "trigger",
            SQUEEZE: "squeeze",
            TOUCHPAD: "touchpad",
            THUMBSTICK: "thumbstick",
            BUTTON: "button"
        }),
        ButtonTouchThreshold: .05,
        AxisTouchThreshold: .1,
        VisualResponseProperty: Object.freeze({
            TRANSFORM: "transform",
            VISIBILITY: "visibility"
        })
    };
    function $w() {
        return e1.apply(this, arguments)
    }
    function e1() {
        return (e1 = r(regeneratorRuntime.mark(function e(t) {
            var n;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        return e.next = 2,
                        fetch(t);
                    case 2:
                        if ((n = e.sent).ok) {
                            e.next = 7;
                            break
                        }
                        throw new Error(n.statusText);
                    case 7:
                        return e.abrupt("return", n.json());
                    case 8:
                    case "end":
                        return e.stop()
                    }
            }, e)
        }))).apply(this, arguments)
    }
    function t1() {
        return (t1 = r(regeneratorRuntime.mark(function e(t) {
            var n;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        if (t) {
                            e.next = 2;
                            break
                        }
                        throw new Error("No basePath supplied");
                    case 2:
                        return e.next = 5,
                        $w("".concat(t, "/").concat("profilesList.json"));
                    case 5:
                        return n = e.sent,
                        e.abrupt("return", n);
                    case 7:
                    case "end":
                        return e.stop()
                    }
            }, e)
        }))).apply(this, arguments)
    }
    function n1() {
        return (n1 = r(regeneratorRuntime.mark(function e(t, n) {
            var i, r, a, o, s, l, u, c, d = arguments;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        if (i = 2 < d.length && void 0 !== d[2] ? d[2] : null,
                        r = !(3 < d.length && void 0 !== d[3]) || d[3],
                        t) {
                            e.next = 4;
                            break
                        }
                        throw new Error("No xrInputSource supplied");
                    case 4:
                        if (n) {
                            e.next = 6;
                            break
                        }
                        throw new Error("No basePath supplied");
                    case 6:
                        return e.next = 8,
                        function() {
                            return t1.apply(this, arguments)
                        }(n);
                    case 8:
                        if (a = e.sent,
                        t.profiles.some(function(e) {
                            var t = a[e];
                            return !!(o = t ? {
                                profileId: e,
                                profilePath: "".concat(n, "/").concat(t.path),
                                deprecated: !!t.deprecated
                            } : o)
                        }),
                        o) {
                            e.next = 17;
                            break
                        }
                        if (i) {
                            e.next = 13;
                            break
                        }
                        throw new Error("No matching profile name found");
                    case 13:
                        if (s = a[i]) {
                            e.next = 16;
                            break
                        }
                        throw new Error('No matching profile name found and default profile "'.concat(i, '" missing.'));
                    case 16:
                        o = {
                            profileId: i,
                            profilePath: "".concat(n, "/").concat(s.path),
                            deprecated: !!s.deprecated
                        };
                    case 17:
                        return e.next = 19,
                        $w(o.profilePath);
                    case 19:
                        if (l = e.sent,
                        !r) {
                            e.next = 25;
                            break
                        }
                        if (c = "any" === t.handedness ? l.layouts[Object.keys(l.layouts)[0]] : l.layouts[t.handedness]) {
                            e.next = 24;
                            break
                        }
                        throw new Error("No matching handedness, ".concat(t.handedness, ", in profile ").concat(o.profileId));
                    case 24:
                        c.assetPath && (u = o.profilePath.replace("profile.json", c.assetPath));
                    case 25:
                        return e.abrupt("return", {
                            profile: l,
                            assetPath: u
                        });
                    case 26:
                    case "end":
                        return e.stop()
                    }
            }, e)
        }))).apply(this, arguments)
    }
    var i1 = {
        xAxis: 0,
        yAxis: 0,
        button: 0,
        state: Kw.ComponentState.DEFAULT
    };
    var r1 = function() {
        function t(e) {
            O(this, t),
            this.componentProperty = e.componentProperty,
            this.states = e.states,
            this.valueNodeName = e.valueNodeName,
            this.valueNodeProperty = e.valueNodeProperty,
            this.valueNodeProperty === Kw.VisualResponseProperty.TRANSFORM && (this.minNodeName = e.minNodeName,
            this.maxNodeName = e.maxNodeName),
            this.value = 0,
            this.updateFromComponent(i1)
        }
        return h(t, [{
            key: "updateFromComponent",
            value: function(e) {
                var t = e.xAxis
                  , n = e.yAxis
                  , i = e.button
                  , r = e.state
                  , n = function(e, t) {
                    var n = 0 < arguments.length && void 0 !== e ? e : 0
                      , i = 1 < arguments.length && void 0 !== t ? t : 0
                      , e = n
                      , t = i;
                    return 1 < Math.sqrt(n * n + i * i) && (n = Math.atan2(i, n),
                    e = Math.cos(n),
                    t = Math.sin(n)),
                    {
                        normalizedXAxis: .5 * e + .5,
                        normalizedYAxis: .5 * t + .5
                    }
                }(t, n)
                  , a = n.normalizedXAxis
                  , o = n.normalizedYAxis;
                switch (this.componentProperty) {
                case Kw.ComponentProperty.X_AXIS:
                    this.value = this.states.includes(r) ? a : .5;
                    break;
                case Kw.ComponentProperty.Y_AXIS:
                    this.value = this.states.includes(r) ? o : .5;
                    break;
                case Kw.ComponentProperty.BUTTON:
                    this.value = this.states.includes(r) ? i : 0;
                    break;
                case Kw.ComponentProperty.STATE:
                    this.valueNodeProperty === Kw.VisualResponseProperty.VISIBILITY ? this.value = this.states.includes(r) : this.value = this.states.includes(r) ? 1 : 0;
                    break;
                default:
                    throw new Error("Unexpected visualResponse componentProperty ".concat(this.componentProperty))
                }
            }
        }]),
        t
    }()
      , a1 = function() {
        function t(e, n) {
            var i = this;
            if (O(this, t),
            !(e && n && n.visualResponses && n.gamepadIndices && 0 !== Object.keys(n.gamepadIndices).length))
                throw new Error("Invalid arguments supplied");
            this.id = e,
            this.type = n.type,
            this.rootNodeName = n.rootNodeName,
            this.touchPointNodeName = n.touchPointNodeName,
            this.visualResponses = {},
            Object.keys(n.visualResponses).forEach(function(e) {
                var t = new r1(n.visualResponses[e]);
                i.visualResponses[e] = t
            }),
            this.gamepadIndices = Object.assign({}, n.gamepadIndices),
            this.values = {
                state: Kw.ComponentState.DEFAULT,
                button: void 0 !== this.gamepadIndices.button ? 0 : void 0,
                xAxis: void 0 !== this.gamepadIndices.xAxis ? 0 : void 0,
                yAxis: void 0 !== this.gamepadIndices.yAxis ? 0 : void 0
            }
        }
        return h(t, [{
            key: "data",
            get: function() {
                return function(t) {
                    for (var e = 1; e < arguments.length; e++) {
                        var n = null != arguments[e] ? arguments[e] : {};
                        e % 2 ? i(Object(n), !0).forEach(function(e) {
                            H(t, e, n[e])
                        }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(t, Object.getOwnPropertyDescriptors(n)) : i(Object(n)).forEach(function(e) {
                            Object.defineProperty(t, e, Object.getOwnPropertyDescriptor(n, e))
                        })
                    }
                    return t
                }({
                    id: this.id
                }, this.values)
            }
        }, {
            key: "updateFromGamepad",
            value: function(e) {
                var t, n = this;
                this.values.state = Kw.ComponentState.DEFAULT,
                void 0 !== this.gamepadIndices.button && e.buttons.length > this.gamepadIndices.button && (t = e.buttons[this.gamepadIndices.button],
                this.values.button = t.value,
                this.values.button = this.values.button < 0 ? 0 : this.values.button,
                this.values.button = 1 < this.values.button ? 1 : this.values.button,
                t.pressed || 1 === this.values.button ? this.values.state = Kw.ComponentState.PRESSED : (t.touched || this.values.button > Kw.ButtonTouchThreshold) && (this.values.state = Kw.ComponentState.TOUCHED)),
                void 0 !== this.gamepadIndices.xAxis && e.axes.length > this.gamepadIndices.xAxis && (this.values.xAxis = e.axes[this.gamepadIndices.xAxis],
                this.values.xAxis = this.values.xAxis < -1 ? -1 : this.values.xAxis,
                this.values.xAxis = 1 < this.values.xAxis ? 1 : this.values.xAxis,
                this.values.state === Kw.ComponentState.DEFAULT && Math.abs(this.values.xAxis) > Kw.AxisTouchThreshold && (this.values.state = Kw.ComponentState.TOUCHED)),
                void 0 !== this.gamepadIndices.yAxis && e.axes.length > this.gamepadIndices.yAxis && (this.values.yAxis = e.axes[this.gamepadIndices.yAxis],
                this.values.yAxis = this.values.yAxis < -1 ? -1 : this.values.yAxis,
                this.values.yAxis = 1 < this.values.yAxis ? 1 : this.values.yAxis,
                this.values.state === Kw.ComponentState.DEFAULT && Math.abs(this.values.yAxis) > Kw.AxisTouchThreshold && (this.values.state = Kw.ComponentState.TOUCHED)),
                Object.values(this.visualResponses).forEach(function(e) {
                    e.updateFromComponent(n.values)
                })
            }
        }]),
        t
    }()
      , o1 = function() {
        function r(e, t, n) {
            var i = this;
            if (O(this, r),
            !e)
                throw new Error("No xrInputSource supplied");
            if (!t)
                throw new Error("No profile supplied");
            this.xrInputSource = e,
            this.assetUrl = n,
            this.id = t.profileId,
            this.layoutDescription = t.layouts[e.handedness],
            this.components = {},
            Object.keys(this.layoutDescription.components).forEach(function(e) {
                var t = i.layoutDescription.components[e];
                i.components[e] = new a1(e,t)
            }),
            this.updateFromGamepad()
        }
        return h(r, [{
            key: "gripSpace",
            get: function() {
                return this.xrInputSource.gripSpace
            }
        }, {
            key: "targetRaySpace",
            get: function() {
                return this.xrInputSource.targetRaySpace
            }
        }, {
            key: "data",
            get: function() {
                var t = [];
                return Object.values(this.components).forEach(function(e) {
                    t.push(e.data)
                }),
                t
            }
        }, {
            key: "updateFromGamepad",
            value: function() {
                var t = this;
                Object.values(this.components).forEach(function(e) {
                    e.updateFromGamepad(t.xrInputSource.gamepad)
                })
            }
        }]),
        r
    }();
    function s1() {
        Si.call(this),
        this.motionController = null,
        this.envMap = null
    }
    function l1(t, e) {
        var n, r;
        n = t.motionController,
        r = e,
        Object.values(n.components).forEach(function(e) {
            var t = e.type
              , n = e.touchPointNodeName
              , i = e.visualResponses;
            t === Kw.ComponentType.TOUCHPAD && (e.touchPointNode = r.getObjectByName(n),
            e.touchPointNode ? (n = new Hr(new Tu(.001),new $i({
                color: 255
            })),
            e.touchPointNode.add(n)) : console.warn("Could not find touch dot, ".concat(e.touchPointNodeName, ", in touchpad component ").concat(e.id))),
            Object.values(i).forEach(function(e) {
                var t = e.valueNodeName
                  , n = e.minNodeName
                  , i = e.maxNodeName;
                if (e.valueNodeProperty === Kw.VisualResponseProperty.TRANSFORM) {
                    if (e.minNode = r.getObjectByName(n),
                    e.maxNode = r.getObjectByName(i),
                    !e.minNode)
                        return void console.warn("Could not find ".concat(n, " in the model"));
                    if (!e.maxNode)
                        return void console.warn("Could not find ".concat(i, " in the model"))
                }
                e.valueNode = r.getObjectByName(t),
                e.valueNode || console.warn("Could not find ".concat(t, " in the model"))
            })
        }),
        t.envMap && e.traverse(function(e) {
            e.isMesh && (e.material.envMap = t.envMap,
            e.material.needsUpdate = !0)
        }),
        t.add(e)
    }
    s1.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: s1,
        setEnvironmentMap: function(e) {
            var t = this;
            return this.envMap == e || (this.envMap = e,
            this.traverse(function(e) {
                e.isMesh && (e.material.envMap = t.envMap,
                e.material.needsUpdate = !0)
            })),
            this
        },
        updateMatrixWorld: function(e) {
            Si.prototype.updateMatrixWorld.call(this, e),
            this.motionController && (this.motionController.updateFromGamepad(),
            Object.values(this.motionController.components).forEach(function(e) {
                Object.values(e.visualResponses).forEach(function(e) {
                    var t = e.valueNode
                      , n = e.minNode
                      , i = e.maxNode
                      , r = e.value
                      , e = e.valueNodeProperty;
                    t && (e === Kw.VisualResponseProperty.VISIBILITY ? t.visible = r : e === Kw.VisualResponseProperty.TRANSFORM && (Sn.slerp(n.quaternion, i.quaternion, t.quaternion, r),
                    t.position.lerpVectors(n.position, i.position, r)))
                })
            }))
        }
    });
    var u1 = (c1.prototype = {
        constructor: c1,
        createControllerModel: function(e) {
            var i = this
              , r = new s1
              , a = null;
            return e.addEventListener("connected", function(e) {
                var n = e.data;
                "tracked-pointer" === n.targetRayMode && n.gamepad && !function() {
                    return n1.apply(this, arguments)
                }(n, i.path, "generic-trigger").then(function(e) {
                    var t = e.profile
                      , e = e.assetPath;
                    r.motionController = new o1(n,t,e);
                    e = i._assetCache[r.motionController.assetUrl];
                    if (e)
                        a = e.scene.clone(),
                        l1(r, a);
                    else {
                        if (!i.gltfLoader)
                            throw new Error("GLTFLoader not set.");
                        i.gltfLoader.setPath(""),
                        i.gltfLoader.load(r.motionController.assetUrl, function(e) {
                            i._assetCache[r.motionController.assetUrl] = e,
                            a = e.scene.clone(),
                            l1(r, a)
                        }, null, function() {
                            throw new Error("Asset ".concat(r.motionController.assetUrl, " missing or malformed."))
                        })
                    }
                }).catch(function(e) {
                    console.warn(e)
                })
            }),
            e.addEventListener("disconnected", function() {
                r.motionController = null,
                r.remove(a),
                a = null
            }),
            r
        }
    },
    c1);
    function c1() {
        this.gltfLoader = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : null,
        this.path = "https://cdn.jsdelivr.net/npm/@webxr-input-profiles/assets@1.0/dist/profiles",
        this._assetCache = {},
        this.gltfLoader || (this.gltfLoader = new Qw)
    }
    var d1 = new $r;
    function h1(e, t) {
        t = t.clone();
        t.updateMatrix(),
        t.updateMatrixWorld();
        e = e.clone().applyMatrix4(t.matrix);
        return e.z -= .8 * t.scale.x,
        e
    }
    function p1(e, t) {
        if (!t || !t.inputSource || !t.inputSource.gamepad)
            return null;
        var n = t.inputSource.gamepad.axes
          , i = 0;
        2 === n.length ? i = n[1] : 4 === n.length && (i = n[3]);
        var r, i = Math.sign(i) * Math.pow(2 * i, 2), a = 0, o = ue(viewer.scene.pointclouds);
        try {
            for (o.s(); !(r = o.n()).done; )
                var s = r.value
                  , l = s.boundingBox.min.distanceTo(s.boundingBox.max)
                  , a = Math.max(a, l)
        } catch (e) {
            o.e(e)
        } finally {
            o.f()
        }
        var u = Math.pow(a, .5) / 2
          , c = e.node.scale.x
          , n = viewer.getMoveSpeed()
          , i = u * i * Math.pow(n, .5) / c
          , n = (new Sn).setFromEuler(t.rotation)
          , c = new Cn(0,0,-1);
        c.applyQuaternion(n);
        c = c.clone().multiplyScalar(i),
        i = e.toScene(t.position);
        return c = e.toScene(t.position.clone().add(c)).clone().sub(i)
    }
    var f1, m1 = function() {
        function t(e) {
            O(this, t),
            this.moveFactor = 1,
            this.dbgLabel = null
        }
        return h(t, [{
            key: "start",
            value: function(e) {
                this.dbgLabel
            }
        }, {
            key: "end",
            value: function() {}
        }, {
            key: "update",
            value: function(e, t) {
                var n = e.cPrimary
                  , i = e.cSecondary
                  , r = p1(e, n)
                  , a = p1(e, i)
                  , r = r || new Cn
                  , a = a || new Cn
                  , i = r.clone().add(a);
                i.multiplyScalar(-t * this.moveFactor),
                e.node.position.add(i);
                r = e.node.scale.x,
                a = e.viewer.renderer.xr.getCamera(d1),
                t = a.getWorldPosition(new Cn),
                i = a.getWorldDirection(new Cn),
                t.clone().add(i.multiplyScalar(r)),
                a = h1(t, e.node),
                i = h1(t.clone().add(i), e.node).sub(a);
                i.normalize().multiplyScalar(r);
                i = a.clone().add(i);
                e.viewer.scene.view.setView(a, i),
                Potree.debug.message && (this.dbgLabel.visible = !0,
                this.dbgLabel.setText(Potree.debug.message),
                this.dbgLabel.scale.set(.1, .1, .1),
                this.dbgLabel.position.copy(n.position))
            }
        }]),
        t
    }(), v1 = function() {
        function e() {
            O(this, e),
            this.controller = null,
            this.startPos = null,
            this.debugLine = null
        }
        return h(e, [{
            key: "start",
            value: function(e) {
                this.controller = e.triggered.values().next().value,
                this.startPos = e.node.position.clone()
            }
        }, {
            key: "end",
            value: function(e) {}
        }, {
            key: "update",
            value: function(e, t) {
                var n = this.controller.start.position
                  , i = this.controller.position
                  , n = e.toScene(n)
                  , n = (i = e.toScene(i)).clone().sub(n);
                n.set(-n.x, -n.y, -n.z);
                n = (new Cn).addVectors(this.startPos, n);
                e.node.position.copy(n)
            }
        }]),
        e
    }(), g1 = function() {
        function e() {
            O(this, e),
            this.line = null,
            this.startState = null
        }
        return h(e, [{
            key: "start",
            value: function(e) {
                this.line || (this.line = Potree.Utils.debugLine(e.viewer.sceneVR, new Cn(0,0,0), new Cn(0,0,0), 16776960),
                this.dbgLabel = new Potree.TextSprite("abc"),
                this.dbgLabel.scale.set(.1, .1, .1),
                e.viewer.sceneVR.add(this.dbgLabel)),
                this.line.node.visible = !0,
                this.startState = e.node.clone()
            }
        }, {
            key: "end",
            value: function(e) {
                this.line.node.visible = !1,
                this.dbgLabel.visible = !1
            }
        }, {
            key: "update",
            value: function(e, t) {
                var n = e.cPrimary.start.position.clone()
                  , i = e.cSecondary.start.position.clone()
                  , r = n.clone().add(i).multiplyScalar(.5)
                  , a = i.clone().sub(n)
                  , o = e.cPrimary.position.clone()
                  , s = e.cSecondary.position.clone()
                  , l = o.clone().add(s).multiplyScalar(.5)
                  , u = s.clone().sub(o)
                  , c = a.length()
                  , i = u.length()
                  , n = new yn(a.x,a.z).angle()
                  , a = new yn(u.x,u.z).angle() - n
                  , u = i / c
                  , n = this.startState.clone();
                n.updateMatrix(),
                n.matrixAutoUpdate = !1;
                c = (i = new ni).makeTranslation.apply(i, Q(h1(r, this.startState).multiplyScalar(-1).toArray())),
                i = (i = new ni).makeTranslation.apply(i, Q(h1(r, this.startState).toArray())),
                a = (new ni).makeRotationZ(a),
                u = (new ni).makeScale(1 / u, 1 / u, 1 / u);
                n.applyMatrix4(c),
                n.applyMatrix4(a),
                n.applyMatrix4(u),
                n.applyMatrix4(i);
                u = h1(r, this.startState),
                i = h1(l, n),
                r = u.clone().sub(i),
                i = (u = new ni).makeTranslation.apply(u, Q(r.toArray()));
                n.applyMatrix4(i),
                n.matrix.decompose(n.position, n.quaternion, n.scale),
                e.node.position.copy(n.position),
                e.node.quaternion.copy(n.quaternion),
                e.node.scale.copy(n.scale),
                e.node.updateMatrix();
                u = e.node.scale.x,
                r = e.viewer.renderer.xr.getCamera(d1),
                i = r.getWorldPosition(new Cn),
                n = r.getWorldDirection(new Cn),
                i.clone().add(n.multiplyScalar(u)),
                r = h1(i, this.startState),
                n = h1(i.clone().add(n), this.startState).sub(r);
                n.normalize().multiplyScalar(u);
                n = r.clone().add(n);
                e.viewer.scene.view.setView(r, n),
                e.viewer.setMoveSpeed(u),
                this.line.set(o, s);
                e = e.node.scale.x;
                this.dbgLabel.visible = !0,
                this.dbgLabel.position.copy(l),
                this.dbgLabel.setText("scale: 1 : ".concat(e.toFixed(2))),
                this.dbgLabel.scale.set(.05, .05, .05)
            }
        }]),
        e
    }(), gu = function() {
        y(c, hn);
        var u = w(c);
        function c(e) {
            var t;
            O(this, c),
            ((t = u.call(this, e)).viewer = e).addEventListener("vr_start", t.onStart.bind(g(t))),
            e.addEventListener("vr_end", t.onEnd.bind(g(t))),
            t.node = new Si,
            t.node.up.set(0, 0, 1),
            t.triggered = new Set;
            var n = e.renderer.xr
              , i = new $c(16777215,5,0,1);
            i.position.set(0, 2, 0),
            t.viewer.sceneVR.add(i),
            t.menu = null;
            var r = new u1
              , a = new Su(1,32,32)
              , o = new Xu
              , s = n.getController(0)
              , e = n.getControllerGrip(0);
            e.name = "grip(0)",
            e.add(r.createControllerModel(e)),
            t.viewer.sceneVR.add(e);
            i = new Hr(a,o);
            i.scale.set(.005, .005, .005),
            s.add(i),
            s.visible = !0,
            t.viewer.sceneVR.add(s);
            e = new Mf;
            e.setPositions([0, 0, -.15, 0, 0, .05]);
            i = new lf({
                color: 16711680,
                lineWidth: 2,
                resolution: new yn(1e3,1e3)
            }),
            i = new Af(e,i);
            s.add(i),
            s.addEventListener("connected", function(e) {
                e = e.data;
                s.inputSource = e
            }),
            s.addEventListener("selectstart", function() {
                t.onTriggerStart(s)
            }),
            s.addEventListener("selectend", function() {
                t.onTriggerEnd(s)
            }),
            t.cPrimary = s;
            var l = n.getController(1)
              , n = n.getControllerGrip(1)
              , r = r.createControllerModel(n);
            n.add(r),
            t.viewer.sceneVR.add(n);
            a = new Hr(a,o);
            a.scale.set(.005, .005, .005),
            l.add(a),
            l.visible = !0,
            t.viewer.sceneVR.add(l);
            o = new Mf;
            o.setPositions([0, 0, -.15, 0, 0, .05]);
            a = new lf({
                color: 16711680,
                lineWidth: 2,
                resolution: new yn(1e3,1e3)
            }),
            a = new Af(o,a);
            return l.add(a),
            l.addEventListener("connected", function(e) {
                e = e.data;
                l.inputSource = e,
                t.initMenu(l)
            }),
            l.addEventListener("selectstart", function() {
                t.onTriggerStart(l)
            }),
            l.addEventListener("selectend", function() {
                t.onTriggerEnd(l)
            }),
            t.cSecondary = l,
            t.mode_fly = new m1,
            t.mode_translate = new v1,
            t.mode_rotScale = new g1,
            t.setMode(t.mode_fly),
            t
        }
        return h(c, [{
            key: "createSlider",
            value: function(e, t, n) {
                var i = new Su(1,8,8)
                  , r = new Bl(1,1,1,8)
                  , a = new $i({
                    color: 16711680
                })
                  , o = new $i({
                    color: 16729156
                })
                  , s = new Xu
                  , l = new Si
                  , u = new Potree.TextSprite("".concat(e, ": 0"))
                  , e = new Hr(i,a)
                  , a = new Hr(i,a)
                  , s = new Hr(i,s)
                  , o = new Hr(r,o);
                return u.scale.set(.2, .2, .2),
                u.position.set(0, .35, 0),
                e.scale.set(.02, .02, .02),
                e.position.set(0, .25, 0),
                a.scale.set(.02, .02, .02),
                a.position.set(0, -.25, 0),
                s.scale.set(.02, .02, .02),
                s.position.set(0, 0, 0),
                o.scale.set(.005, .5, .005),
                l.add(u),
                l.add(e),
                l.add(a),
                l.add(s),
                l.add(o),
                l
            }
        }, {
            key: "createInfo",
            value: function() {
                var e = (new _c).load("".concat(Potree.resourcePath, "/images/vr_controller_help.jpg"));
                return new Hr(new ua(1,1,1,1),new $i({
                    map: e
                }))
            }
        }, {
            key: "initMenu",
            value: function(e) {
                var t;
                this.menu || (t = new Si,
                this.menu = t,
                window.vrMenu = t)
            }
        }, {
            key: "toScene",
            value: function(e) {
                var t = this.getCamera().matrixWorld;
                return e.clone().applyMatrix4(t)
            }
        }, {
            key: "toVR",
            value: function(e) {
                var t = this.getCamera().matrixWorld.clone();
                return t.invert(),
                e.clone().applyMatrix4(t)
            }
        }, {
            key: "setMode",
            value: function(e) {
                if (this.mode !== e) {
                    this.mode && this.mode.end(this);
                    for (var t = 0, n = [this.cPrimary, this.cSecondary]; t < n.length; t++) {
                        var i = n[t]
                          , r = {
                            position: i.position.clone(),
                            rotation: i.rotation.clone()
                        };
                        i.start = r
                    }
                    this.mode = e,
                    this.mode.start(this)
                }
            }
        }, {
            key: "onTriggerStart",
            value: function(e) {
                this.triggered.add(e),
                0 === this.triggered.size ? this.setMode(this.mode_fly) : 1 === this.triggered.size ? this.setMode(this.mode_translate) : 2 === this.triggered.size && this.setMode(this.mode_rotScale)
            }
        }, {
            key: "onTriggerEnd",
            value: function(e) {
                this.triggered.delete(e),
                0 === this.triggered.size ? this.setMode(this.mode_fly) : 1 === this.triggered.size ? this.setMode(this.mode_translate) : 2 === this.triggered.size && this.setMode(this.mode_rotScale)
            }
        }, {
            key: "onStart",
            value: function() {
                var e = this.viewer.scene.view.position.clone()
                  , t = this.viewer.scene.view.direction;
                t.multiplyScalar(-1);
                var n = e.clone().add(t);
                n.z = e.z;
                t = this.viewer.getMoveSpeed();
                this.node.position.copy(e),
                this.node.lookAt(n),
                this.node.scale.set(t, t, t),
                this.node.updateMatrix(),
                this.node.updateMatrixWorld()
            }
        }, {
            key: "onEnd",
            value: function() {}
        }, {
            key: "setScene",
            value: function(e) {
                this.scene = e
            }
        }, {
            key: "getCamera",
            value: function() {
                this.viewer.scene.getActiveCamera();
                var e = new $r
                  , t = this.viewer.getMoveSpeed();
                return e.near = .1,
                e.far = 1e3,
                e.up.set(0, 0, 1),
                e.lookAt(new Cn(0,-1,0)),
                e.updateMatrix(),
                e.updateMatrixWorld(),
                e.position.copy(this.node.position),
                e.rotation.copy(this.node.rotation),
                e.scale.set(t, t, t),
                e.updateMatrix(),
                e.updateMatrixWorld(),
                e.matrixAutoUpdate = !1,
                e.parent = e
            }
        }, {
            key: "update",
            value: function(e) {
                this.mode.update(this, e)
            }
        }]),
        c
    }(), y1 = {
        priorityEvent: [{
            zoomInCloud: "zoom-in"
        }, {
            hoverPano: "pointer"
        }, {
            connectPano: "url({Potree.resourcePath}/images/connect.png),auto"
        }, {
            disconnectPano: "url({Potree.resourcePath}/images/connect-dis.png),auto"
        }, {
            hoverLine: "pointer"
        }, {
            movePointcloud: "move"
        }, {
            polygon_isIntersectSelf: "not-allowed"
        }, {
            polygon_AtWrongPlace: "not-allowed"
        }, {
            markerMove: "grab"
        }, {
            mapClipMove: "move"
        }, {
            mapClipRotate: "url({Potree.resourcePath}/images/rotate-cursor.png),auto"
        }, {
            rotatePointcloud: "url({Potree.resourcePath}/images/rotate-cursor.png),auto"
        }, {
            siteModelFloorDrag: "row-resize"
        }, {
            addSth: "cell"
        }],
        list: [],
        currentCursorIndex: null,
        init: function(e, t) {
            var n = this;
            this.priorityEvent.forEach(function(e) {
                for (var t in e)
                    e[t] = Fm.replaceAll(e[t], "{Potree.resourcePath}", Potree.resourcePath)
            }),
            this.domElements = t.map(function(e) {
                return e.renderArea
            }),
            e.addEventListener("CursorChange", function(e) {
                "add" == e.action ? n.add(e.name) : n.remove(e.name)
            })
        },
        add: function(t) {
            var e = this.priorityEvent.find(function(e) {
                return e[t]
            });
            e ? this.list.includes(t) || (this.judge({
                addItem: e,
                name: t
            }),
            this.list.push(t)) : console.error("CursorDeal  未定义优先级 name:" + t)
        },
        remove: function(e) {
            e = this.list.indexOf(e);
            -1 < e && (this.list.splice(e, 1),
            this.judge())
        },
        judge: function() {
            var e, i, r = this, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            t.addItem ? ((e = this.priorityEvent.indexOf(t.addItem)) < this.currentCursorIndex || null == this.currentCursorIndex) && (this.domElements.forEach(function(e) {
                return e.style.cursor = t.addItem[t.name]
            }),
            this.currentCursorIndex = e) : (i = {
                index: 1 / 0,
                cursor: null
            },
            this.list.forEach(function(t) {
                var e = r.priorityEvent.find(function(e) {
                    return e[t]
                })
                  , n = r.priorityEvent.indexOf(e);
                n < i.index && (i.index = n,
                i.cursor = e[t])
            }),
            this.currentCursorIndex = i.index,
            this.domElements.forEach(function(e) {
                return e.style.cursor = i.cursor || ""
            }))
        }
    }, w1 = new _c, b1 = new Yi(T.clip.color), x1 = {
        width2d: 30
    }, E1 = function() {
        y(o, Df);
        var r = w(o);
        function o(e, t) {
            O(this, o);
            var n, i, t = {
                points: _1(e = e.clone().setZ(0), t, 0),
                closed: !0,
                isRect: !0,
                dimension: "2d"
            };
            (i = r.call(this, "mapClipBox", t)).angle = 0,
            i.createRotateBar(),
            i.edgeMarkers = [],
            i.initData(t),
            i.areaPlane.addEventListener("mouseover", function() {
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "mapClipMove"
                })
            }),
            i.areaPlane.addEventListener("mouseleave", function() {
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "mapClipMove"
                })
            });
            return i.areaPlane.addEventListener("drag", function(e) {
                var t = e.intersect.orthoIntersect;
                n && (e = (new Cn).subVectors(t, n).setZ(0),
                i.center.add(e),
                i.updatePoints(),
                i.dispatchEvent({
                    type: "repos"
                })),
                n = t.clone()
            }),
            i.areaPlane.addEventListener("drop", function(e) {
                n = null
            }),
            viewer.setObjectLayers(g(i), "mapObjects"),
            i
        }
        return h(o, [{
            key: "getScale",
            value: function() {
                return new Cn(this.points[0].distanceTo(this.points[1]),this.points[1].distanceTo(this.points[2]),1)
            }
        }, {
            key: "addMarker",
            value: function() {
                var t = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , n = new qp({
                    mat: this.getMarkerMaterial("default"),
                    sizeInfo: x1,
                    dontFixOrient: !0,
                    viewports: viewer.mapViewer.viewports,
                    name: "mapClipBox_marker"
                });
                n.renderOrder = 3;
                var i = Sf.createLine([new Cn, new Cn], {
                    color: b1
                })
                  , r = new qp({
                    mat: this.getMarkerMaterial("default"),
                    sizeInfo: x1,
                    dontFixOrient: !0,
                    viewports: viewer.mapViewer.viewports,
                    name: "mapClipBox_edgePoint"
                });
                r.addEventListener("mouseover", function(e) {
                    t.setMarkerSelected(e.object, !0, "single"),
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "add",
                        name: "markerMove"
                    })
                }),
                r.addEventListener("mouseleave", function(e) {
                    t.setMarkerSelected(e.object, !1, "single"),
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "markerMove"
                    })
                });
                var a = {
                    lastPos: null
                };
                r.addEventListener("drag", this.dragEdge.bind(this, a)),
                r.addEventListener("drop", this.dropEdge.bind(this, a)),
                this.edgeMarkers.push(r),
                this.add(r),
                n.dispatchEvent("addHoverEvent"),
                b(v(o.prototype), "addMarker", this).call(this, {
                    point: e.point,
                    marker: n,
                    edge: i
                })
            }
        }, {
            key: "dragEdge",
            value: function(e, t) {
                var n, i = "mapViewport" == t.dragViewport.name, r = t.intersect.orthoIntersect;
                r && e.lastPos && (-1 !== (n = this.edgeMarkers.indexOf(t.drag.object)) && (t = Up.getNormal2d({
                    p1: this.points[n],
                    p2: this.points[(n + 1) % 4]
                }),
                t = (new Cn).subVectors(r, e.lastPos).setZ(0).projectOnVector(t).setZ(0),
                t = (new Cn).addVectors(this.points[n], t),
                this.dragChange(t, n, i))),
                e.lastPos = r.clone()
            }
        }, {
            key: "dropEdge",
            value: function(e, t) {
                e.lastPos = null,
                this.setMarkerSelected(t.drag.object, !1, "single")
            }
        }, {
            key: "createAreaPlane",
            value: function() {
                var e = new $i({
                    color: b1,
                    side: Y,
                    opacity: .3,
                    transparent: !0,
                    depthTest: !1
                });
                return b(v(o.prototype), "createAreaPlane", this).call(this, e)
            }
        }, {
            key: "getMarkerMaterial",
            value: function(e) {
                return f1 || (f1 = {
                    default: new $i({
                        transparent: !0,
                        color: b1,
                        opacity: .8,
                        map: w1.load(Potree.resourcePath + "/textures/whiteCircle.png")
                    }),
                    select: new $i({
                        transparent: !0,
                        color: b1,
                        opacity: 1,
                        map: w1.load(Potree.resourcePath + "/textures/whiteCircle.png")
                    })
                },
                o.markerMats = f1),
                f1[e]
            }
        }, {
            key: "setMarkerSelected",
            value: function(e, t, n) {
                e.material = "hover" == t ? this.getMarkerMaterial("select") : this.getMarkerMaterial("default"),
                viewer.mapViewer.dispatchEvent("content_changed")
            }
        }, {
            key: "createRotateBar",
            value: function() {
                var i = this
                  , e = .7
                  , t = new Si
                  , n = new qp({
                    mat: new $i({
                        side: Y,
                        opacity: e,
                        transparent: !0,
                        depthTest: !1,
                        map: w1.load(Potree.resourcePath + "/textures/rotation_circle.png")
                    }),
                    root: t,
                    sizeInfo: x1,
                    dontFixOrient: !0,
                    viewports: viewer.mapViewer.viewports,
                    name: "mapClipRotateBar"
                });
                n.position.set(0, 2.5, 0),
                n.scale.set(2, 2, 2),
                n.addEventListener("mouseover", function() {
                    n.material.opacity = 1,
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "add",
                        name: "mapClipRotate"
                    }),
                    viewer.mapViewer.dispatchEvent("content_changed")
                });
                function r() {
                    n.material.opacity = e,
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "mapClipRotate"
                    }),
                    viewer.mapViewer.dispatchEvent("content_changed")
                }
                var a;
                n.addEventListener("mouseleave", r),
                this.addEventListener("dispose", r),
                n.addEventListener("drag", function(e) {
                    var t, n = e.intersect.orthoIntersect;
                    a && (t = (new Cn).subVectors(a, i.center).setZ(0),
                    e = (new Cn).subVectors(n, i.center).setZ(0),
                    e = Up.getAngle(t, e, "z"),
                    i.angle += e,
                    i.rotateBar.rotation.z = i.angle,
                    i.updatePoints(),
                    i.dispatchEvent({
                        type: "rotate",
                        angle: i.angle
                    })),
                    a = n.clone()
                }),
                n.addEventListener("drop", function() {
                    a = null,
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "mapClipRotate"
                    })
                });
                var o = Sf.createLine([new Cn, new Cn(0,1.5,0)], {
                    color: b1
                });
                t.add(n),
                t.add(o),
                this.add(t),
                this.rotateBar = t,
                this.rotateBar.bar = n
            }
        }, {
            key: "updatePoints",
            value: function(e) {
                this.points = _1(this.center, e || this.getScale(), this.angle),
                this.getPoint2dInfo(this.points),
                this.update({
                    ifUpdateMarkers: !0
                })
            }
        }, {
            key: "update",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                b(v(o.prototype), "update", this).call(this, e);
                e = (new Cn).addVectors(this.points[0], this.points[1]).multiplyScalar(.5);
                this.rotateBar.position.copy(e),
                this.rotateBar.bar.update();
                for (var t = 0; t < 4; t++) {
                    var n = this.points[t]
                      , i = this.points[(t + 1) % 4]
                      , i = (new Cn).addVectors(n, i).multiplyScalar(.5);
                    this.updateMarker(this.edgeMarkers[t], i)
                }
            }
        }, {
            key: "dispose",
            value: function() {
                b(v(o.prototype), "dispose", this).call(this),
                this.dispatchEvent("dispose")
            }
        }]),
        o
    }();
    function _1(t, e, n) {
        var n = 2 < arguments.length && void 0 !== n ? n : 0
          , e = [new Cn(-e.x / 2,+e.y / 2,0), new Cn(+e.x / 2,+e.y / 2,0), new Cn(+e.x / 2,-e.y / 2,0), new Cn(-e.x / 2,-e.y / 2,0)]
          , i = (new ni).makeRotationAxis(new Cn(0,0,1), n);
        return e.forEach(function(e) {
            e.applyMatrix4(i),
            e.add(t)
        }),
        e
    }
    var M1 = {
        bus: new hn,
        selectedDatasets: [],
        changeCallback: function(t) {
            var n = this;
            Potree.settings.isOfficial && Fm.intervalTool.isWaiting("clipSelectedDatasets", function() {
                var e = n.getIntersectPointcloud();
                if (t || Fm.getDifferenceSet(e, n.selectedDatasets).length)
                    return n.selectedDatasets = e,
                    n.bus.dispatchEvent({
                        type: "updateSelectedDatasets",
                        selectedDatasets: e.map(function(e) {
                            return e.dataset_id
                        })
                    }),
                    !(t = !1)
            }, 300)
        },
        enter: function() {
            var n = this;
            this.previousView = {
                position: viewer.images360.position,
                target: viewer.scene.view.getPivot(),
                displayMode: Potree.settings.displayMode,
                ifShowMarker: Potree.settings.ifShowMarker
            };
            var e = this.getPointcloud().bound
              , t = e.getSize(new Cn)
              , i = this.getTarget(e.getCenter(new Cn))
              , e = new Cn(6,6,t.z)
              , t = viewer.scene.view.direction.clone().setZ(0).multiplyScalar(-6)
              , r = (new Cn).addVectors(i, t);
            Potree.settings.displayMode = "showPointCloud",
            viewer.setView({
                position: r,
                target: i,
                duration: 300,
                callback: function() {}
            }),
            viewer.setControls(viewer.orbitControls),
            viewer.setLimitFar(!1),
            this.box = new Zp({
                clip: !0
            }),
            this.box.name = "ClipBox",
            this.box.position.copy(i),
            this.box.scale.copy(e),
            this.box.addEventListener("position_changed", function(e) {
                n.mapBox.center.setX(n.box.position.x),
                n.mapBox.center.setY(n.box.position.y),
                n.mapBox.updatePoints(),
                n.changeCallback()
            }),
            this.box.addEventListener("scale_changed", function(e) {
                var t = n.box.scale;
                n.mapBox.updatePoints(t),
                n.changeCallback()
            }),
            this.box.addEventListener("orientation_changed", function(e) {
                n.mapBox.angle = n.box.rotation.z,
                n.mapBox.rotateBar.rotation.z = n.mapBox.angle,
                n.mapBox.updatePoints(),
                n.changeCallback()
            }),
            viewer.scene.addVolume(this.box);
            function a() {
                n.box.rotation.x = 0,
                n.box.rotation.y = 0
            }
            this.mapBox = new E1(i,e),
            viewer.mapViewer.scene.add(this.mapBox),
            this.mapBox.addEventListener("repos", function(e) {
                n.box.position.setX(n.mapBox.center.x),
                n.box.position.setY(n.mapBox.center.y),
                a(),
                n.changeCallback()
            }),
            this.mapBox.addEventListener("dragChange", function(e) {
                var t = n.mapBox.getScale();
                n.box.scale.setX(t.x),
                n.box.scale.setY(t.y),
                n.box.position.setX(n.mapBox.center.x),
                n.box.position.setY(n.mapBox.center.y),
                a(),
                n.changeCallback()
            }),
            this.mapBox.addEventListener("rotate", function(e) {
                n.box.rotation.z = n.mapBox.angle,
                a(),
                n.changeCallback()
            }),
            viewer.setClipTask(tm.SHOW_INSIDE),
            Potree.settings.unableNavigate = !0,
            Potree.settings.ifShowMarker = !1,
            viewer.updateVisible(viewer.measuringTool.scene, "clipModel", !1),
            viewer.inputHandler.toggleSelection(this.box),
            viewer.inputHandler.fixSelection = !0,
            viewer.transformationTool.frame.material.color.set(Potree.config.clip.color),
            viewer.setPointStandardMat(!0),
            this.events = {
                flyToPos: function(e) {
                    e.position;
                    var t = n.box.position;
                    r = e.position;
                    viewer.scene.view.setView({
                        position: r,
                        duration: 1e3,
                        target: t
                    })
                }
            },
            this.bus.addEventListener("flyToPos", this.events.flyToPos),
            this.editing = !0,
            setTimeout(function() {
                n.changeCallback(!0)
            }, 1)
        },
        leave: function() {
            viewer.inputHandler.fixSelection = !1,
            viewer.scene.removeVolume(this.box),
            this.mapBox.dispose(),
            viewer.setControls(viewer.fpControls),
            Potree.settings.unableNavigate = !1,
            Potree.settings.ifShowMarker = this.previousView.ifShowMarker,
            viewer.updateVisible(viewer.measuringTool.scene, "clipModel", !0),
            viewer.setView(this.previousView),
            viewer.setLimitFar(!0),
            viewer.setPointStandardMat(!1),
            this.bus.removeEventListener("flyToPos", this.events.flyToPos),
            this.events = null,
            this.editing = !1
        },
        getPointcloud: function() {
            var e = viewer.scene.pointclouds.filter(function(e) {
                return 0 < e.panos.length
            });
            return 0 == e.length && (e = viewer.scene.pointclouds),
            Fm.sortByScore(e, [], [function(e) {
                var t = e.bound.getCenter(new Cn);
                return e.bound.getSize(new Cn).length() / 2 / viewer.images360.position.distanceTo(t)
            }
            ])[0].item
        },
        getTarget: function(e) {
            var t = new Cn
              , n = viewer.images360.position
              , n = Fm.find(viewer.images360.panos, [], [ly.sortFunctions.floorDisSquaredToPoint(n)]);
            return n ? (t.copy(n.position),
            t.setZ(e.z)) : t.copy(e),
            t
        },
        download: function() {
            var t = this;
            return 0 == this.getIntersectPointcloud().length ? null : {
                transformation_matrix: viewer.scene.pointclouds.filter(function(e) {
                    return viewer.getObjVisiByReason(e, "datasetSelection")
                }).map(function(e) {
                    return {
                        id: e.dataset_id,
                        matrix: t.getTransformationMatrix(e).elements,
                        modelMatrix: (new ni).copy(e.transformMatrix).transpose().elements
                    }
                }),
                aabb: "b-0.5 -0.5 -0.5 0.5 0.5 0.5"
            }
        },
        downloadNoCrop: function() {
            var e = {
                transformation_matrix: viewer.scene.pointclouds.filter(function(e) {
                    return viewer.getObjVisiByReason(e, "datasetSelection")
                }).map(function(e) {
                    return {
                        id: e.dataset_id,
                        matrix: (new ni).elements,
                        modelMatrix: (new ni).copy(e.transformMatrix).transpose().elements
                    }
                }),
                aabb: "b-12742000 -12742000 -12742000 12742000 12742000 12742000"
            };
            return console.log(e),
            e
        },
        getTransformationMatrix: function(e) {
            var t = (new ni).getInverse(this.box.matrixWorld);
            return (new ni).multiplyMatrices(t, e.transformMatrix).transpose()
        },
        getIntersectPointcloud: function() {
            var t = new kn(new Cn(-.5,-.5,-.5),new Cn(.5,.5,.5)).applyMatrix4(this.box.matrixWorld)
              , n = (new ni).copy(this.box.matrixWorld).invert()
              , i = [new Cn(t.min.x,t.min.y,0), new Cn(t.max.x,t.min.y,0), new Cn(t.max.x,t.max.y,0), new Cn(t.min.x,t.max.y,0)];
            return viewer.scene.pointclouds.filter(function(e) {
                if (!e.bound.intersectsBox(t))
                    return !1;
                e = e.getUnrotBoundPoint("all");
                if (1 < Up.getPolygonsMixedRings([e.slice(0, 4), i], !0).length)
                    return !1;
                e = Potree.Utils.isInsideBox(e, n);
                return e || console.log("没能经过isInsideBox测试"),
                e
            })
        }
    }
      , A1 = function() {
        y(t, hn);
        var e = w(t);
        function t() {
            return O(this, t),
            e.call(this)
        }
        return h(t, [{
            key: "splitStart",
            value: function(i) {
                var r = this
                  , a = []
                  , o = [viewer.mainViewport];
                viewer.mapViewer && o.push(viewer.mapViewer.viewports[0]);
                for (var e = i.length, t = 0; t < e; t++)
                    !function(e) {
                        var t = i[e]
                          , n = void 0
                          , e = o.find(function(e) {
                            return e.name == (t.name2 || t.name)
                        });
                        e && ((n = e).left = t.left,
                        n.bottom = t.bottom,
                        n.width = t.width,
                        n.height = t.height),
                        n || (e = new ng,
                        t.limitBound && (e.limitBound = t.limitBound),
                        t.direction && (e.direction = t.direction),
                        n = new Ig(e,r.getOrthoCamera(),t),
                        t.viewContainsPoints && (n.viewContainsPoints = t.viewContainsPoints)),
                        "OrthographicCamera" == n.camera.type && (n.targetPlane = new ki,
                        n.shiftTarget = new Cn),
                        n.fitMargin = t.margin,
                        a.push(n)
                    }(t);
                return viewer.viewports = a,
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                }),
                a.forEach(function(e) {
                    "MainView" != e.name && r.viewportFitBound(e, viewer.bound.boundingBox, viewer.bound.center, 0, e.fitMargin)
                }),
                a
            }
        }, {
            key: "unSplit",
            value: function() {
                this.unfocusViewport(),
                viewer.viewports = [viewer.mainViewport],
                viewer.mainViewport.width = 1,
                viewer.mainViewport.height = 1,
                viewer.mainViewport.left = 0,
                viewer.mainViewport.bottom = 0,
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                })
            }
        }, {
            key: "viewportFitBound",
            value: function(e, t, n) {
                var i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0
                  , r = 4 < arguments.length ? arguments[4] : void 0
                  , a = e.view
                  , o = {
                    bound: t
                }
                  , s = this.getViewBound(e)
                  , t = s.boundSize
                  , s = s.boundCenter;
                e.targetPlane.setFromNormalAndCoplanarPoint(a.direction.clone(), s),
                e.targetPlane.projectPoint(n, e.shiftTarget),
                o.endPosition = this.getPosOutOfModel(e, t),
                o.margin = r || {
                    x: 30,
                    y: 30
                },
                a.moveOrthoCamera(e, o, i)
            }
        }, {
            key: "getViewBound",
            value: function(e) {
                var t, n = viewer.bound, i = n.boundSize, n = n.center;
                return e.viewContainsPoints && (t = viewer.bound.boundingBox.clone(),
                e.viewContainsPoints.forEach(function(e) {
                    t.expandByPoint(e)
                }),
                i = t.getSize(new Cn),
                n = t.getCenter(new Cn)),
                {
                    boundSize: i,
                    boundCenter: n
                }
            }
        }, {
            key: "getPosOutOfModel",
            value: function(e, t) {
                t = (t = t || this.getViewBound(e).boundSize).length();
                return e.shiftTarget.clone().sub(e.view.direction.clone().multiplyScalar(t + 10))
            }
        }, {
            key: "updateCameraOutOfModel",
            value: function() {
                var r = this;
                viewer.viewports.forEach(function(e, t) {
                    var n, i;
                    e != viewer.mainViewport && (i = (n = r.getViewBound(e)).boundSize,
                    n = n.boundCenter,
                    e.targetPlane.setFromNormalAndCoplanarPoint(e.view.direction.clone(), n),
                    e.targetPlane.projectPoint(e.view.position, e.shiftTarget),
                    i = r.getPosOutOfModel(e, i),
                    e.view.position.copy(i))
                })
            }
        }, {
            key: "rotateSideCamera",
            value: function(e, t) {
                var n = this.getViewBound(e)
                  , i = n.boundSize
                  , r = n.boundCenter
                  , n = this.focusCenter || r;
                e.targetPlane.setFromNormalAndCoplanarPoint(e.view.direction, n),
                e.targetPlane.projectPoint(e.view.position, e.shiftTarget);
                r = (new Cn).subVectors(n, e.shiftTarget),
                t = (new ni).makeRotationAxis(new Cn(0,0,1), t);
                e.view.direction = e.view.direction.applyMatrix4(t),
                r.applyMatrix4(t),
                e.shiftTarget.subVectors(n, r),
                e.view.position = this.getPosOutOfModel(e, i)
            }
        }, {
            key: "getOrthoCamera",
            value: function() {
                return new ed(-100,100,100,100,.01,1e4)
            }
        }, {
            key: "focusOnViewport",
            value: function(n) {
                var i = this;
                viewer.viewports.forEach(function(e, t) {
                    e.name == n ? (i.focusInfo = {
                        name: n,
                        left: e.left,
                        bottom: e.bottom,
                        height: e.height,
                        width: e.width
                    },
                    e.left = 0,
                    e.bottom = 0,
                    e.height = 1,
                    e.width = 1) : e.active = !1
                }),
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                })
            }
        }, {
            key: "unfocusViewport",
            value: function() {
                var n = this;
                this.focusInfo && (viewer.viewports.forEach(function(e, t) {
                    n.focusInfo.name == e.name && (e.left = n.focusInfo.left,
                    e.bottom = n.focusInfo.bottom,
                    e.height = n.focusInfo.height,
                    e.width = n.focusInfo.width),
                    e.active = !0
                }),
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                }),
                this.focusInfo = null)
            }
        }]),
        t
    }()
      , T1 = [{
        left: .5,
        bottom: .5,
        width: .5,
        height: .5,
        name: "MainView",
        active: !0
    }, {
        left: 0,
        bottom: .5,
        width: .5,
        height: .5,
        name: "top",
        name2: "mapViewport",
        axis: ["x", "y"],
        direction: new Cn(0,0,-1),
        active: !0
    }, {
        left: .5,
        bottom: 0,
        width: .5,
        height: .5,
        name: "right",
        axis: ["y", "z"],
        direction: new Cn(1,0,0),
        active: !0
    }, {
        left: 0,
        bottom: 0,
        width: .5,
        height: .5,
        name: "back",
        axis: ["x", "z"],
        direction: new Cn(0,-1,0),
        active: !0
    }]
      , S1 = new A1;
    S1.split = function() {
        viewer.scene.getActiveCamera();
        var e = viewer.bound;
        e.boundSize,
        e.center;
        viewer.setLimitFar(!1),
        viewer.mapViewer.attachToMainViewer(!0, "split4Screens", "dontSet");
        e = this.splitStart(T1);
        viewer.mapViewer.viewports[0].noPointcloud = !1,
        this.statesBefore = {
            pointDensity: Potree.settings.pointDensity,
            displayMode: Potree.settings.displayMode,
            position: viewer.images360.position,
            target: viewer.scene.view.getPivot()
        },
        viewer.setPointStandardMat(!0, null, !0);
        var n = {
            opacity: new Map
        };
        new Map;
        viewer.scene.pointclouds.forEach(function(e) {
            n.opacity.set(e, e.temp.pointOpacity),
            n.colorType = e.material.activeAttributeName
        });
        function t() {
            var t = this;
            viewer.scene.pointclouds.forEach(function(e) {
                "MainView" == t.name ? (e.material.activeAttributeName = n.colorType,
                e.material.useFilterByNormal = !1,
                e.changePointOpacity(n.opacity.get(e)),
                Potree.settings.pointDensity = "fourViewportsMain") : (e.material.activeAttributeName = "color",
                e.material.useFilterByNormal = !0,
                Potree.settings.pointDensity = "fourViewports",
                e.changePointOpacity(.6))
            })
        }
        e.forEach(function(e) {
            e.beforeRender = t
        }),
        this.enableMap(!1),
        this.enableFloorplan(!1),
        viewer.mapViewer.setViewLimit("expand"),
        Potree.settings.displayMode = "showPointCloud"
    }
    ,
    S1.recover = function() {
        this.unSplit(),
        viewer.setView({
            position: this.statesBefore.position,
            target: this.statesBefore.target,
            duration: 300,
            callback: function() {}
        }),
        viewer.mainViewport.beforeRender = null,
        viewer.setLimitFar(!0);
        var e = viewer.mapViewer.viewports[0];
        viewer.mapViewer.attachToMainViewer(!1),
        e.noPointcloud = !0,
        this.enableMap(Potree.settings.mapEnable),
        this.enableFloorplan(Potree.settings.floorplanEnable),
        this.floorplanListener && (viewer.mapViewer.mapLayer.removeEventListener("floorplanLoaded", this.floorplanListener),
        this.floorplanListener = null),
        Potree.settings.pointDensity = this.statesBefore.pointDensity,
        Potree.settings.isOfficial || (Potree.settings.displayMode = this.statesBefore.displayMode),
        viewer.scene.pointclouds.forEach(function(e) {
            e.material.useFilterByNormal = !1
        }),
        viewer.setPointStandardMat(!1),
        viewer.mapViewer.setViewLimit("standard")
    }
    ,
    S1.updateMapViewerBG = function() {
        var e = viewer.mapViewer.viewports[0];
        this.floorplanEnabled || this.mapEnabled ? (e.background = "overlayColor",
        e.backgroundColor = new Yi(0,0,0),
        e.backgroundOpacity = .5) : (e.background = null,
        e.backgroundColor = null,
        e.backgroundOpacity = null)
    }
    ,
    S1.setFloorplanDisplay = function(e) {
        e.floorplan.setEnable(1 < arguments.length && void 0 !== arguments[1] && arguments[1])
    }
    ,
    S1.enableMap = function(e) {
        viewer.mapViewer.mapLayer.maps.find(function(e) {
            return "map" == e.name
        }).setEnable(!!e),
        this.mapEnabled = e,
        this.updateMapViewerBG()
    }
    ,
    S1.enableFloorplan = function(t) {
        var n = this
          , e = viewer.mapViewer.mapLayer.maps.filter(function(e) {
            return e.name.includes("floorplan")
        });
        this.floorplanListener && viewer.mapViewer.mapLayer.removeEventListener("floorplanLoaded", this.floorplanListener),
        this.floorplanListener = function(e) {
            n.setFloorplanDisplay(e, t)
        }
        ,
        viewer.mapViewer.mapLayer.addEventListener("floorplanLoaded", this.floorplanListener),
        t ? e.forEach(function(e) {
            return n.setFloorplanDisplay({
                floorplan: e
            }, !0)
        }) : e.forEach(function(e) {
            return n.setFloorplanDisplay({
                floorplan: e
            }, !1)
        }),
        t && 0 == e.length && Potree.loadMapEntity("all", !0),
        this.floorplanEnabled = t,
        this.updateMapViewerBG()
    }
    ,
    S1.focusOnPointCloud = function(e) {
        e.bound.getSize(new Cn);
        var t = e.bound.getCenter(new Cn)
          , n = e.panosBound && e.panosBound.center;
        this.focusOnObject(e.bound, t, n),
        viewer.flyToDataset({
            pointcloud: e,
            dontMoveMap: !0,
            duration: 0
        })
    }
    ,
    S1.focusOnObject = function(t, n, e) {
        var i = this;
        viewer.viewports.forEach(function(e) {
            "MainView" == e.name || i.viewportFitBound(e, t, n)
        })
    }
    ;
    var Ou = function() {
        y(i, hn);
        var n = w(i);
        function i(e) {
            var t;
            return O(this, i),
            (t = n.call(this)).list = [],
            t.callback = e.callback,
            t
        }
        return h(i, [{
            key: "undo",
            value: function() {
                var e = this.list.pop();
                e && this.callback && this.callback(e)
            }
        }, {
            key: "redo",
            value: function() {}
        }, {
            key: "writeIn",
            value: function(e) {
                this.list.push(e)
            }
        }, {
            key: "clear",
            value: function() {
                this.list.length = 0
            }
        }]),
        i
    }()
      , C1 = {
        SplitScreen: S1,
        handleState: null,
        bus: new hn,
        prepareRecord: !0,
        writeToHistory: function(e) {
            this.prepareRecord && (this.prepareRecord = !1,
            this.history.writeIn(e))
        },
        applyTemp: function(t) {
            var e = viewer.scene.pointclouds.find(function(e) {
                return e.dataset_id + e.name == t.sid
            });
            e.orientationUser = t.orientationUser,
            e.translateUser = t.translateUser,
            this.setMatrix(e)
        },
        getTemp: function(e) {
            return (e = e || viewer.scene.pointclouds).map(function(e) {
                return {
                    sid: e.dataset_id + e.name,
                    orientationUser: e.orientationUser,
                    translateUser: e.translateUser.clone()
                }
            })
        },
        init: function() {
            var a, o = this;
            viewer.fpControls.addEventListener("transformPointcloud", function(t) {
                if (t.pointclouds[0].dataset_id == Potree.settings.originDatasetId)
                    return o.bus.dispatchEvent("forbitMoveOriginDataset");
                if (o.writeToHistory(o.getTemp(t.pointclouds)),
                "translate" == o.handleState)
                    t.pointclouds.forEach(function(e) {
                        return C1.translate(e, t.moveVec)
                    });
                else if ("rotate" == o.handleState)
                    if ("pano" == Potree.settings.editType) {
                        var n, i = t.intersectStart;
                        if (!t.intersect.equals(i)) {
                            if (!a)
                                return a = {
                                    orientationUser: t.pointclouds[0].orientationUser,
                                    pointclouds: t.pointclouds
                                },
                                void o.bus.dispatchEvent({
                                    type: "rotateStart",
                                    startPoint: i
                                });
                            a.vecStart ? (r = (new Cn).subVectors(t.intersect, i).setZ(0),
                            r = Up.getAngle(a.vecStart, r, "z"),
                            n = a.orientationUser + r - a.pointclouds[0].orientationUser,
                            a.pointclouds.forEach(function(e) {
                                C1.rotateAround(i, e, null, n)
                            })) : 30 < (e = (new Cn).subVectors(t.intersect, i).setZ(0)).length() * t.camera.zoom && (a.vecStart = e),
                            o.bus.dispatchEvent({
                                type: "rotate",
                                endPoint: t.intersect
                            })
                        }
                    } else {
                        var e, r = t.pointclouds[0].translateUser;
                        t.intersect.equals(r) || (a ? (e = (new Cn).subVectors(t.intersect, r).setZ(0),
                        e = Up.getAngle(a.vecStart, e, "z"),
                        e = a.orientationUser + e - a.pointcloud.orientationUser,
                        C1.rotate(a.pointcloud, null, e)) : a = {
                            orientationUser: t.pointclouds[0].orientationUser,
                            vecStart: (new Cn).subVectors(t.intersectStart, r).setZ(0),
                            pointcloud: t.pointclouds[0]
                        })
                    }
            }),
            viewer.fpControls.addEventListener("end", function(e) {
                a = null,
                o.prepareRecord = !0
            }),
            viewer.inputHandler.addEventListener("keydown", function(e) {
                90 == e.keyCode && e.event.ctrlKey && o.history.undo()
            });
            function e(e) {
                var t;
                !e.drag && o.editing && (t = C1.handleState,
                e.hoverViewport.alignment && t && e.hoverViewport.alignment[t] ? "translate" == t ? e.intersect && e.intersect.location ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "movePointcloud"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "movePointcloud"
                }) : "rotate" == t && (e.intersect && e.intersect.location ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "rotatePointcloud"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "rotatePointcloud"
                })) : (viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "movePointcloud"
                }),
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "rotatePointcloud"
                })))
            }
            viewer.addEventListener("global_mousemove", e),
            viewer.addEventListener("global_drop", e),
            viewer.addEventListener("updateModelBound", function(e) {
                o.editing && o.SplitScreen.updateCameraOutOfModel()
            })
        },
        setMatrix: function(e) {
            var t = e.position
              , n = e.translateUser
              , i = e.orientationUser
              , t = (new ni).setPosition(t)
              , i = (new ni).makeRotationAxis(new Cn(0,0,1), i)
              , n = (new ni).setPosition(n)
              , n = (new ni).multiplyMatrices(n, i);
            e.transformMatrix = n.clone(),
            e.transformInvMatrix.copy(n).invert(),
            e.rotateMatrix = i,
            e.rotateInvMatrix.copy(i).invert(),
            e.panos.forEach(function(e) {
                return e.transformByPointcloud()
            }),
            n = (new ni).multiplyMatrices(n, t),
            e.matrix = n,
            e.updateMatrixWorld(!0),
            this.editing && C1.changeCallBack && C1.changeCallBack(),
            e.spriteNodeRoot && e.spriteNodeRoot.matrixWorld.copy(e.matrixWorld),
            viewer.updateModelBound(),
            e.getPanosBound()
        },
        rotateAround: function(e, t, n, i) {
            var i = null != i ? i : gn.degToRad(n)
              , r = (new Cn).subVectors(t.translateUser, e)
              , e = (new ni).makeRotationAxis(new Cn(0,0,1), i)
              , e = r.clone().applyMatrix4(e)
              , r = (new Cn).subVectors(e, r);
            this.rotate(t, n, i),
            this.translate(t, r)
        },
        rotate: function(e, t, n) {
            n = null != n ? n : gn.degToRad(t);
            e.orientationUser += n,
            C1.setMatrix(e)
        },
        translate: function(e, t) {
            e.translateUser.add(t),
            C1.setMatrix(e)
        },
        enter: function() {
            this.originData = this.getTemp(),
            this.SplitScreen.split({
                alignment: !0
            }),
            viewer.images360.panos.forEach(function(e) {
                viewer.updateVisible(e.mapMarker, "split4Screens", !1)
            }),
            viewer.viewports.find(function(e) {
                return "mapViewport" == e.name
            }).alignment = {
                rotate: !0,
                translate: !0
            },
            viewer.viewports.find(function(e) {
                return "right" == e.name
            }).alignment = {
                translate: !0
            },
            viewer.viewports.find(function(e) {
                return "back" == e.name
            }).alignment = {
                translate: !0
            },
            this.editing = !0,
            viewer.updateFpVisiDatasets()
        },
        leave: function() {
            var t = this;
            this.switchHandle(null),
            this.originData.forEach(function(e) {
                t.applyTemp(e)
            }),
            this.SplitScreen.recover(),
            viewer.images360.panos.forEach(function(e) {
                viewer.updateVisible(e.mapMarker, "split4Screens", !0)
            }),
            this.editing = !1,
            this.history.clear(),
            viewer.updateFpVisiDatasets(),
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "movePointcloud"
            }),
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "rotatePointcloud"
            })
        },
        switchHandle: function(e) {
            this.handleState = e,
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "movePointcloud"
            }),
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "rotatePointcloud"
            }),
            this.bus.dispatchEvent({
                type: "switchHandle",
                state: e
            })
        },
        save: function() {
            function e() {
                t.originData = t.getTemp(),
                viewer.scene.measurements.forEach(function(e) {
                    return e.transformByPointcloud()
                }),
                viewer.images360.updateCube(viewer.bound)
            }
            var t = this
              , n = viewer.scene.pointclouds.map(function(e) {
                var t = viewer.transform.lonlatToLocal.inverse(e.translateUser.clone());
                return {
                    id: e.dataset_id,
                    orientation: e.orientationUser,
                    location: [t.x, t.y, t.z]
                }
            });
            return Potree.settings.isOfficial || e(),
            {
                data: n,
                callback: e
            }
        }
    };
    C1.history = new Ou({
        callback: function(e) {
            e.forEach(function(e) {
                C1.applyTemp(e)
            })
        }
    });
    function P1(e) {
        var t;
        return R1 || ((t = F1.load(Potree.resourcePath + "/textures/gridmap.png")).wrapS = t.wrapT = ke,
        R1 = {
            dataset: new Hu({
                color: 812922,
                side: Y,
                opacity: .2,
                transparent: !0,
                depthTest: !1,
                wireframe: !0
            }),
            building: new Hu({
                color: 812922,
                metalness: .2,
                roughness: .8,
                side: Y,
                opacity: .1,
                transparent: !0,
                depthTest: !0
            }),
            buildingSelect: new Hu({
                color: 36582,
                metalness: 0,
                roughness: 1,
                side: Y,
                opacity: .1,
                transparent: !0,
                depthTest: !0
            }),
            floor: new Hu({
                color: 11708469,
                metalness: .1,
                roughness: 1,
                side: Y,
                opacity: .05,
                transparent: !0,
                depthTest: !0
            }),
            floorSelect: new Wp({
                map: t,
                color: 16707151,
                side: Y,
                opacity: 1,
                transparent: !0,
                useDepth: !0,
                clipDistance: 1,
                occlusionDistance: 1,
                maxClipFactor: .4,
                backColor: "#efe"
            }),
            room: new Hu({
                color: "#ff44ee",
                metalness: 0,
                roughness: 1,
                side: Y,
                opacity: .08,
                transparent: !0,
                depthTest: !1
            }),
            roomSelect: new Wp({
                map: t,
                color: "#ff44ee",
                side: Y,
                opacity: 1,
                transparent: !0,
                useDepth: !0,
                clipDistance: 1,
                occlusionDistance: .5,
                maxClipFactor: .6,
                backColor: "#ff88dd"
            })
        }),
        R1[e]
    }
    function D1(e, t, s) {
        var n = this;
        void 0 === t && (console.warn('THREE.TransformControls: The second parameter "domElement" is now mandatory.'),
        t = document),
        Si.call(this),
        this.visible = !1,
        this.domElement = t;
        var i = new k1(s);
        this.add(i);
        var l = new B1;
        this.add(l);
        var r = this;
        this.options = s,
        G("camera", e),
        G("object", void 0),
        G("enabled", !0),
        G("axis", null),
        G("mode", "translate"),
        G("translationSnap", null),
        G("rotationSnap", null),
        G("scaleSnap", null),
        G("space", "world"),
        G("size", 1),
        G("dragging", !1),
        G("showX", !0),
        G("showY", !0),
        G("showZ", !0);
        var u = {
            type: "change"
        }
          , a = {
            type: "mouseDown"
        }
          , o = {
            type: "mouseUp",
            mode: r.mode
        }
          , c = {
            type: "objectChange"
        }
          , d = new sh
          , h = new Cn
          , p = new Cn
          , f = new Sn
          , m = {
            X: new Cn(1,0,0),
            Y: new Cn(0,1,0),
            Z: new Cn(0,0,1)
        }
          , v = new Cn
          , g = new Cn
          , y = new Cn
          , w = new Cn
          , b = new Cn
          , x = new Cn
          , E = 0
          , _ = new Cn
          , M = new Sn
          , A = new Cn
          , T = new Cn
          , S = new Sn
          , C = new Sn
          , P = new Cn
          , D = new Cn
          , k = new Sn
          , B = new Cn
          , L = new Cn
          , R = new Sn
          , F = new Sn
          , I = new Cn
          , O = new Cn
          , z = new Cn
          , N = new Sn
          , U = new Cn;
        function G(t, e) {
            var n = e;
            Object.defineProperty(r, t, {
                get: function() {
                    return void 0 !== n ? n : e
                },
                set: function(e) {
                    n !== e && (n = e,
                    l[t] = e,
                    i[t] = e,
                    r.dispatchEvent({
                        type: t + "-changed",
                        value: e
                    }),
                    r.dispatchEvent(u))
                }
            }),
            r[t] = e,
            l[t] = e,
            i[t] = e
        }
        function H(e) {
            r.enabled && r.pointerHover()
        }
        function V(e) {
            r.enabled && (r.pointerHover(),
            r.pointerDown())
        }
        function j(e) {
            r.enabled && this.dragging && r.pointerMove()
        }
        function W(e) {
            r.enabled && r.pointerUp()
        }
        G("worldPosition", L),
        G("worldPositionStart", D),
        G("worldQuaternion", R),
        G("worldQuaternionStart", k),
        G("cameraPosition", _),
        G("cameraQuaternion", M),
        G("pointStart", v),
        G("pointEnd", g),
        G("rotationAxis", w),
        G("rotationAngle", E),
        G("eye", O),
        t.addEventListener("mousedown", V, !1),
        t.addEventListener("touchstart", V, !1),
        t.addEventListener("mousemove", H, !1),
        t.addEventListener("touchmove", H, !1),
        t.addEventListener("touchmove", j, !1),
        document.addEventListener("mouseup", W, !1),
        t.addEventListener("touchend", W, !1),
        t.addEventListener("touchcancel", W, !1),
        t.addEventListener("touchleave", W, !1),
        viewer.addEventListener("global_drag", function(e) {
            if (n.dragging)
                return n.pointerMove(),
                {
                    stopContinue: !0
                }
        }, 10),
        this.dispose = function() {
            t.removeEventListener("mousedown", V),
            t.removeEventListener("touchstart", V),
            t.removeEventListener("mousemove", H),
            t.removeEventListener("mousemove", j),
            t.removeEventListener("touchmove", H),
            t.removeEventListener("touchmove", j),
            document.removeEventListener("mouseup", W),
            t.removeEventListener("touchend", W),
            t.removeEventListener("touchcancel", W),
            t.removeEventListener("touchleave", W),
            this.traverse(function(e) {
                e.geometry && e.geometry.dispose(),
                e.material && e.material.dispose()
            })
        }
        ,
        this.attach = function(e) {
            return this.object = e,
            this.visible = !0,
            this
        }
        ,
        this.detach = function() {
            return this.object = void 0,
            this.visible = !1,
            this.axis = null,
            this
        }
        ,
        this.updateMatrixWorld = function() {
            void 0 !== this.object && (this.object.updateMatrixWorld(),
            this.object.parent.matrixWorld.decompose(T, S, P),
            this.object.matrixWorld.decompose(L, R, I),
            this.object.boundingBox && this.object.boundingBox.getCenter(L).applyMatrix4(this.object.matrixWorld),
            C.copy(S).invert(),
            F.copy(R).invert()),
            this.camera.updateMatrixWorld(),
            this.camera.matrixWorld.decompose(_, M, A),
            O.copy(_).sub(L).normalize(),
            Si.prototype.updateMatrixWorld.call(this)
        }
        ,
        this.pointerHover = function() {
            var e, t;
            viewer.inputHandler.pointer;
            void 0 !== this.object && (this.dragging || (e = (t = viewer.inputHandler.getMouseDirection()).origin,
            t = t.direction,
            d.set(e, t),
            t = d.intersectObjects(i.picker[this.mode].children, !0)[0] || !1,
            this.axis = t ? t.object.name : null))
        }
        ,
        this.pointerDown = function() {
            var e, t;
            viewer.inputHandler.pointer;
            void 0 !== this.object && !0 !== this.dragging && null !== this.axis && (e = (t = viewer.inputHandler.getMouseDirection()).origin,
            t = t.direction,
            d.set(e, t),
            (e = d.intersectObjects([l], !0)[0] || !1) && (t = this.space,
            "scale" === this.mode ? t = "local" : "E" !== this.axis && "XYZE" !== this.axis && "XYZ" !== this.axis || (t = "world"),
            "local" === t && "rotate" === this.mode && (t = this.rotationSnap,
            "X" === this.axis && t && (this.object.rotation.x = Math.round(this.object.rotation.x / t) * t),
            "Y" === this.axis && t && (this.object.rotation.y = Math.round(this.object.rotation.y / t) * t),
            "Z" === this.axis && t && (this.object.rotation.z = Math.round(this.object.rotation.z / t) * t)),
            this.object.updateMatrixWorld(),
            this.object.parent.updateMatrixWorld(),
            z.copy(this.object.position),
            N.copy(this.object.quaternion),
            U.copy(this.object.scale),
            this.object.matrixWorld.decompose(D, k, B),
            this.object.boundingBox && this.object.boundingBox.getCenter(D).applyMatrix4(this.object.matrixWorld),
            v.copy(e.point).sub(D)),
            this.dragging = !0,
            a.mode = this.mode,
            this.dispatchEvent(a))
        }
        ,
        this.pointerMove = function() {
            var e, t, n = viewer.inputHandler.pointer, i = this.axis, r = this.mode, a = this.object, o = this.space;
            "scale" === r ? o = "local" : "E" !== i && "XYZE" !== i && "XYZ" !== i || (o = "world"),
            void 0 === a || null === i || !1 === this.dragging || void 0 !== n.button && 0 !== n.button || (n = (e = viewer.inputHandler.getMouseDirection()).origin,
            e = e.direction,
            d.set(n, e),
            !1 !== (e = d.intersectObjects([l], !0)[0] || !1) && (g.copy(e.point).sub(D),
            "translate" === r ? (y.copy(g).sub(v),
            "local" === o && "XYZ" !== i && y.applyQuaternion(F),
            -1 === i.indexOf("X") && (y.x = 0),
            -1 === i.indexOf("Y") && (y.y = 0),
            -1 === i.indexOf("Z") && (y.z = 0),
            ("local" === o && "XYZ" !== i ? y.applyQuaternion(N) : y.applyQuaternion(C)).divide(P),
            a.position.copy(y).add(z),
            this.translationSnap && ("local" === o && (a.position.applyQuaternion(f.copy(N).invert()),
            -1 !== i.search("X") && (a.position.x = Math.round(a.position.x / this.translationSnap) * this.translationSnap),
            -1 !== i.search("Y") && (a.position.y = Math.round(a.position.y / this.translationSnap) * this.translationSnap),
            -1 !== i.search("Z") && (a.position.z = Math.round(a.position.z / this.translationSnap) * this.translationSnap),
            a.position.applyQuaternion(N)),
            "world" === o && (a.parent && a.position.add(h.setFromMatrixPosition(a.parent.matrixWorld)),
            -1 !== i.search("X") && (a.position.x = Math.round(a.position.x / this.translationSnap) * this.translationSnap),
            -1 !== i.search("Y") && (a.position.y = Math.round(a.position.y / this.translationSnap) * this.translationSnap),
            -1 !== i.search("Z") && (a.position.z = Math.round(a.position.z / this.translationSnap) * this.translationSnap),
            a.parent && a.position.sub(h.setFromMatrixPosition(a.parent.matrixWorld)))),
            a.dispatchEvent({
                type: "position_changed"
            })) : "scale" === r ? (-1 !== i.search("XYZ") ? (t = g.length() / v.length(),
            g.dot(v) < 0 && (t *= -1),
            s.NoScaleZ ? p.set(t, t, 1) : p.set(t, t, t)) : -1 !== i.search("XY") ? (t = g.length() / v.length(),
            g.dot(v) < 0 && (t *= -1),
            p.set(t, t, 1)) : (h.copy(v),
            p.copy(g),
            h.applyQuaternion(F),
            p.applyQuaternion(F),
            p.divide(h),
            -1 === i.search("X") && (p.x = 1),
            -1 === i.search("Y") && (p.y = 1),
            -1 === i.search("Z") && (p.z = 1)),
            a.scale.copy(U).multiply(p),
            this.scaleSnap && (-1 !== i.search("X") && (a.scale.x = Math.round(a.scale.x / this.scaleSnap) * this.scaleSnap || this.scaleSnap),
            -1 !== i.search("Y") && (a.scale.y = Math.round(a.scale.y / this.scaleSnap) * this.scaleSnap || this.scaleSnap),
            -1 !== i.search("Z") && (a.scale.z = Math.round(a.scale.z / this.scaleSnap) * this.scaleSnap || this.scaleSnap)),
            a.dispatchEvent({
                type: "scale_changed"
            })) : "rotate" === r && (y.copy(g).sub(v),
            r = 2 / L.distanceTo(h.setFromMatrixPosition(this.camera.matrixWorld)),
            "E" === i ? (w.copy(O),
            E = g.angleTo(v),
            b.copy(v).normalize(),
            x.copy(g).normalize(),
            E *= x.cross(b).dot(O) < 0 ? 1 : -1) : "XYZE" === i ? (w.copy(y).cross(O).normalize(),
            E = y.dot(h.copy(w).cross(this.eye)) * r) : "X" !== i && "Y" !== i && "Z" !== i || (w.copy(m[i]),
            h.copy(m[i]),
            "local" === o && h.applyQuaternion(R),
            E = y.dot(h.cross(O).normalize()) * r),
            this.rotationSnap && (E = Math.round(E / this.rotationSnap) * this.rotationSnap),
            this.rotationAngle = E,
            "local" === o && "E" !== i && "XYZE" !== i ? (a.quaternion.copy(N),
            a.quaternion.multiply(f.setFromAxisAngle(w, E)).normalize()) : (w.applyQuaternion(C),
            a.quaternion.copy(f.setFromAxisAngle(w, E)),
            a.quaternion.multiply(N).normalize()),
            a.dispatchEvent({
                type: "rotation_changed"
            })),
            this.dispatchEvent(u),
            this.dispatchEvent(c)))
        }
        ,
        this.pointerUp = function(e) {
            this.dragging && null !== this.axis && (o.mode = this.mode,
            this.dispatchEvent(o)),
            this.dragging = !1
        }
        ,
        this.onPointerDown = V,
        this.onPointerMove = j,
        this.onPointerUp = W,
        this.getMode = function() {
            return r.mode
        }
        ,
        this.setMode = function(e) {
            r.mode = e
        }
        ,
        this.setTranslationSnap = function(e) {
            r.translationSnap = e
        }
        ,
        this.setRotationSnap = function(e) {
            r.rotationSnap = e
        }
        ,
        this.setScaleSnap = function(e) {
            r.scaleSnap = e
        }
        ,
        this.setSize = function(e) {
            r.size = e
        }
        ,
        this.setSpace = function(e) {
            r.space = e
        }
        ,
        this.update = function() {
            console.warn("THREE.TransformControls: update function has no more functionality and therefore has been deprecated.")
        }
    }
    function k1(s) {
        Si.call(this);
        var e = new $i({
            depthTest: !(this.type = "TransformControlsGizmo"),
            depthWrite: !1,
            transparent: !0,
            side: Y,
            fog: !1
        })
          , t = new tl({
            depthTest: !1,
            depthWrite: !1,
            transparent: !0,
            fog: !1
        });
        (x = e.clone()).opacity = .15,
        (E = e.clone()).opacity = .33;
        var n = e.clone();
        n.color.set(16711680);
        var i = e.clone();
        i.color.set(65280);
        var r = e.clone();
        r.color.set(255),
        (b = e.clone()).opacity = .35,
        b.color.set(53501);
        var a = b.clone();
        a.color.set(16776960),
        (f = b.clone()).color.set(65535),
        (g = b.clone()).color.set(16711935),
        e.clone().color.set(16776960);
        var o = t.clone();
        o.color.set(16711680);
        var l = t.clone();
        l.color.set(65280);
        var u = t.clone();
        u.color.set(255),
        (m = t.clone()).color.set(65535),
        (v = t.clone()).color.set(16711935);
        var c = t.clone();
        c.color.set(16776960),
        (w = t.clone()).color.set(7895160),
        (y = c.clone()).opacity = .25;
        var d = new kl(0,.05,.2,12,1,!1)
          , e = new Wr(.125,.125,.125);
        function h(e, t) {
            for (var n = new Mr, i = [], r = 0; r <= 64 * t; ++r)
                i.push(0, Math.cos(r / 32 * Math.PI) * e, Math.sin(r / 32 * Math.PI) * e);
            return n.setAttribute("position", new nr(new Float32Array(i),3)),
            n
        }
        function p(e) {
            var t, n = new Si;
            for (t in e)
                for (var i = e[t].length; i--; ) {
                    var r = e[t][i][0].clone()
                      , a = e[t][i][1]
                      , o = e[t][i][2]
                      , s = e[t][i][3]
                      , l = e[t][i][4];
                    r.name = t,
                    r.tag = l,
                    a && r.position.set(a[0], a[1], a[2]),
                    o && r.rotation.set(o[0], o[1], o[2]),
                    s && r.scale.set(s[0], s[1], s[2]),
                    r.updateMatrix();
                    s = r.geometry.clone();
                    s.applyMatrix4(r.matrix),
                    r.geometry = s,
                    r.renderOrder = 1 / 0,
                    r.position.set(0, 0, 0),
                    r.rotation.set(0, 0, 0),
                    r.scale.set(1, 1, 1),
                    n.add(r)
                }
            return n
        }
        (t = new Mr).setAttribute("position", new nr(new Float32Array([0, 0, 0, 1, 0, 0]),3));
        var f = {
            X: [[new Hr(d,n), [1, 0, 0], [0, 0, -Math.PI / 2], null, "fwd"], [new sl(t,o)]],
            Y: [[new Hr(d,i), [0, 1, 0], null, null, "fwd"], [new sl(t,l), null, [0, 0, Math.PI / 2]]],
            Z: [[new Hr(d,r), [0, 0, 1], [Math.PI / 2, 0, 0], null, "fwd"], [new sl(t,u), null, [0, -Math.PI / 2, 0]]],
            XY: [[new Hr(new ua(.295,.295),a.clone()), [.15, .15, 0]], [new sl(t,c), [.18, .3, 0], null, [.125, 1, 1]], [new sl(t,c), [.3, .18, 0], [0, 0, Math.PI / 2], [.125, 1, 1]]],
            YZ: [[new Hr(new ua(.295,.295),f.clone()), [0, .15, .15], [0, Math.PI / 2, 0]], [new sl(t,m), [0, .18, .3], [0, 0, Math.PI / 2], [.125, 1, 1]], [new sl(t,m), [0, .3, .18], [0, -Math.PI / 2, 0], [.125, 1, 1]]],
            XZ: [[new Hr(new ua(.295,.295),g.clone()), [.15, 0, .15], [-Math.PI / 2, 0, 0]], [new sl(t,v), [.18, 0, .3], null, [.125, 1, 1]], [new sl(t,v), [.3, 0, .18], [0, -Math.PI / 2, 0], [.125, 1, 1]]]
        }
          , m = {
            X: [[new Hr(new kl(.2,0,1,4,1,!1),x), [.6, 0, 0], [0, 0, -Math.PI / 2]]],
            Y: [[new Hr(new kl(.2,0,1,4,1,!1),x), [0, .6, 0]]],
            Z: [[new Hr(new kl(.2,0,1,4,1,!1),x), [0, 0, .6], [Math.PI / 2, 0, 0]]],
            XY: [[new Hr(new ua(.4,.4),x), [.2, .2, 0]]],
            YZ: [[new Hr(new ua(.4,.4),x), [0, .2, .2], [0, Math.PI / 2, 0]]],
            XZ: [[new Hr(new ua(.4,.4),x), [.2, 0, .2], [-Math.PI / 2, 0, 0]]]
        }
          , v = {
            START: [[new Hr(new vu(.01,2),E), null, null, null, "helper"]],
            END: [[new Hr(new vu(.01,2),E), null, null, null, "helper"]],
            DELTA: [[new sl(((g = new Mr).setAttribute("position", new nr(new Float32Array([0, 0, 0, 1, 1, 1]),3)),
            g),E), null, null, null, "helper"]],
            X: [[new sl(t,E.clone()), [-1e3, 0, 0], null, [1e6, 1, 1], "helper"]],
            Y: [[new sl(t,E.clone()), [0, -1e3, 0], [0, 0, Math.PI / 2], [1e6, 1, 1], "helper"]],
            Z: [[new sl(t,E.clone()), [0, 0, -1e3], [0, -Math.PI / 2, 0], [1e6, 1, 1], "helper"]]
        }
          , g = {
            X: [[new sl(h(1, .5),o)], [new Hr(new vu(.04,0),n), [0, 0, .99], null, [1, 3, 1]]],
            Y: [[new sl(h(1, .5),l), null, [0, 0, -Math.PI / 2]], [new Hr(new vu(.04,0),i), [0, 0, .99], null, [3, 1, 1]]],
            Z: [[new sl(h(1, .5),u), null, [0, Math.PI / 2, 0]], [new Hr(new vu(.04,0),r), [.99, 0, 0], null, [1, 3, 1]]],
            E: [[new sl(h(1.25, 1),y), null, [0, Math.PI / 2, 0]], [new Hr(new kl(.03,0,.15,4,1,!1),y), [1.17, 0, 0], [0, 0, -Math.PI / 2], [1, 1, .001]], [new Hr(new kl(.03,0,.15,4,1,!1),y), [-1.17, 0, 0], [0, 0, Math.PI / 2], [1, 1, .001]], [new Hr(new kl(.03,0,.15,4,1,!1),y), [0, -1.17, 0], [Math.PI, 0, 0], [1, 1, .001]], [new Hr(new kl(.03,0,.15,4,1,!1),y), [0, 1.17, 0], [0, 0, 0], [1, 1, .001]]],
            XYZE: [[new sl(h(1, 1),w), null, [0, Math.PI / 2, 0]]]
        }
          , y = {
            AXIS: [[new sl(t,E.clone()), [-1e3, 0, 0], null, [1e6, 1, 1], "helper"]]
        }
          , w = {
            X: [[new Hr(new Bu(1,.1,4,24),x), [0, 0, 0], [0, -Math.PI / 2, -Math.PI / 2]]],
            Y: [[new Hr(new Bu(1,.1,4,24),x), [0, 0, 0], [Math.PI / 2, 0, 0]]],
            Z: [[new Hr(new Bu(1,.1,4,24),x), [0, 0, 0], [0, 0, -Math.PI / 2]]],
            E: [[new Hr(new Bu(1.25,.1,2,24),x)]],
            XYZE: [[new Hr(new Tu(.7,10,8),x)]]
        }
          , b = {
            X: [[new Hr(e,n), [.8, 0, 0], [0, 0, -Math.PI / 2]], [new sl(t,o), null, null, [.8, 1, 1]]],
            Y: [[new Hr(e,i), [0, .8, 0]], [new sl(t,l), null, [0, 0, Math.PI / 2], [.8, 1, 1]]],
            Z: [[new Hr(e,r), [0, 0, .8], [Math.PI / 2, 0, 0]], [new sl(t,u), null, [0, -Math.PI / 2, 0], [.8, 1, 1]]],
            XY: [[new Hr(e,a), [.85, .85, 0], null, [2, 2, .2]], [new sl(t,c), [.855, .98, 0], null, [.125, 1, 1]], [new sl(t,c), [.98, .855, 0], [0, 0, Math.PI / 2], [.125, 1, 1]]],
            XYZY: [[new Hr(new Wr(.125,.125,.125),b.clone()), [0, 1.1, 0]]]
        }
          , x = {
            X: [[new Hr(new kl(.2,0,.8,4,1,!1),x), [.5, 0, 0], [0, 0, -Math.PI / 2]]],
            Y: [[new Hr(new kl(.2,0,.8,4,1,!1),x), [0, .5, 0]]],
            Z: [[new Hr(new kl(.2,0,.8,4,1,!1),x), [0, 0, .5], [Math.PI / 2, 0, 0]]],
            XY: [[new Hr(e,x), [.85, .85, 0], null, [3, 3, .2]]],
            XYZY: [[new Hr(new Wr(.2,.2,.2),x), [0, 1.1, 0]]]
        }
          , E = {
            X: [[new sl(t,E.clone()), [-1e3, 0, 0], null, [1e6, 1, 1], "helper"]],
            Y: [[new sl(t,E.clone()), [0, -1e3, 0], [0, 0, Math.PI / 2], [1e6, 1, 1], "helper"]],
            Z: [[new sl(t,E.clone()), [0, 0, -1e3], [0, -Math.PI / 2, 0], [1e6, 1, 1], "helper"]]
        }
          , _ = new Cn(0,0,0)
          , M = new ci
          , A = new Cn(0,1,0)
          , T = new Cn(0,0,0)
          , S = new ni
          , C = new Sn
          , P = new Sn
          , D = new Sn
          , k = new Cn(1,0,0)
          , B = new Cn(0,1,0)
          , L = new Cn(0,0,1);
        this.gizmo = {},
        this.picker = {},
        this.helper = {},
        this.add(this.gizmo.translate = p(f)),
        this.add(this.gizmo.rotate = p(g)),
        this.add(this.gizmo.scale = p(b)),
        this.add(this.picker.translate = p(m)),
        this.add(this.picker.rotate = p(w)),
        this.add(this.picker.scale = p(x)),
        this.add(this.helper.translate = p(v)),
        this.add(this.helper.rotate = p(y)),
        this.add(this.helper.scale = p(E)),
        this.picker.translate.visible = !1,
        this.picker.rotate.visible = !1,
        this.picker.scale.visible = !1,
        this.updateMatrixWorld = function() {
            var e = this.space
              , t = "local" === (e = "scale" === this.mode ? "local" : e) ? this.worldQuaternion : D;
            this.gizmo.translate.visible = "translate" === this.mode,
            this.gizmo.rotate.visible = "rotate" === this.mode,
            this.gizmo.scale.visible = "scale" === this.mode,
            this.helper.translate.visible = "translate" === this.mode,
            this.helper.rotate.visible = "rotate" === this.mode,
            this.helper.scale.visible = "scale" === this.mode;
            var n = [];
            n = (n = (n = n.concat(this.picker[this.mode].children)).concat(this.gizmo[this.mode].children)).concat(this.helper[this.mode].children);
            for (var i = 0; i < n.length; i++) {
                var r = n[i]
                  , a = !0;
                r.rotation.set(0, 0, 0),
                r.position.copy(this.worldPosition);
                var o = this.worldPosition.distanceTo(this.cameraPosition);
                r.scale.set(1, 1, 1).multiplyScalar(o * this.size / 7),
                "helper" !== r.tag ? (r.quaternion.copy(t),
                "translate" === this.mode || "scale" === this.mode ? (s.dontHideWhenFaceCamera || ("X" !== r.name && "XYZX" !== r.name || .99 < Math.abs(A.copy(k).applyQuaternion(t).dot(this.eye)) && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1),
                "Y" !== r.name && "XYZY" !== r.name || .99 < Math.abs(A.copy(B).applyQuaternion(t).dot(this.eye)) && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1),
                "Z" !== r.name && "XYZZ" !== r.name || .99 < Math.abs(A.copy(L).applyQuaternion(t).dot(this.eye)) && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1),
                "XY" === r.name && Math.abs(A.copy(L).applyQuaternion(t).dot(this.eye)) < .2 && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1),
                "YZ" === r.name && Math.abs(A.copy(k).applyQuaternion(t).dot(this.eye)) < .2 && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1),
                "XZ" === r.name && Math.abs(A.copy(B).applyQuaternion(t).dot(this.eye)) < .2 && (r.scale.set(1e-10, 1e-10, 1e-10),
                a = !1)),
                -1 !== r.name.search("X") && A.copy(k).applyQuaternion(t).dot(this.eye) < 0 && (r.scale.x *= -1),
                -1 !== r.name.search("Y") && A.copy(B).applyQuaternion(t).dot(this.eye) < 0 && (r.scale.y *= -1),
                -1 !== r.name.search("Z") && A.copy(L).applyQuaternion(t).dot(this.eye) < 0 && (r.scale.z *= -1)) : "rotate" === this.mode && (P.copy(t),
                A.copy(this.eye).applyQuaternion(C.copy(t).invert()),
                -1 !== r.name.search("E") && r.quaternion.setFromRotationMatrix(S.lookAt(this.eye, T, B)),
                "X" === r.name && (C.setFromAxisAngle(k, Math.atan2(-A.y, A.z)),
                C.multiplyQuaternions(P, C),
                r.quaternion.copy(C)),
                "Y" === r.name && (C.setFromAxisAngle(B, Math.atan2(A.x, A.z)),
                C.multiplyQuaternions(P, C),
                r.quaternion.copy(C)),
                "Z" === r.name && (C.setFromAxisAngle(L, Math.atan2(A.y, A.x)),
                C.multiplyQuaternions(P, C),
                r.quaternion.copy(C))),
                a = (a = (a = (a = a && (-1 === r.name.indexOf("X") || this.showX)) && (-1 === r.name.indexOf("Y") || this.showY)) && (-1 === r.name.indexOf("Z") || this.showZ)) && (-1 === r.name.indexOf("E") || this.showX && this.showY && this.showZ),
                viewer.updateVisible(r, "hidden", !!a),
                r.material._opacity = r.material._opacity || r.material.opacity,
                r.material._color = r.material._color || r.material.color.clone(),
                r.material.color.copy(r.material._color),
                r.material.opacity = r.material._opacity,
                this.enabled ? this.axis && (r.name === this.axis || this.axis.split("").some(function(e) {
                    return r.name === e
                }) ? r.material.opacity = 1 : r.material.opacity *= .25,
                r.material.color.lerp(new Yi(1,1,1), .5)) : (r.material.opacity *= .5,
                r.material.color.lerp(new Yi(1,1,1), .5))) : (a = !1,
                "AXIS" === r.name ? (r.position.copy(this.worldPositionStart),
                a = !!this.axis,
                "X" === this.axis && (C.setFromEuler(M.set(0, 0, 0)),
                r.quaternion.copy(t).multiply(C),
                .9 < Math.abs(A.copy(k).applyQuaternion(t).dot(this.eye)) && (a = !1)),
                "Y" === this.axis && (C.setFromEuler(M.set(0, 0, Math.PI / 2)),
                r.quaternion.copy(t).multiply(C),
                .9 < Math.abs(A.copy(B).applyQuaternion(t).dot(this.eye)) && (a = !1)),
                "Z" === this.axis && (C.setFromEuler(M.set(0, Math.PI / 2, 0)),
                r.quaternion.copy(t).multiply(C),
                .9 < Math.abs(A.copy(L).applyQuaternion(t).dot(this.eye)) && (a = !1)),
                "XYZE" === this.axis && (C.setFromEuler(M.set(0, Math.PI / 2, 0)),
                A.copy(this.rotationAxis),
                r.quaternion.setFromRotationMatrix(S.lookAt(T, A, B)),
                r.quaternion.multiply(C),
                a = this.dragging),
                "E" === this.axis && (a = !1)) : "START" === r.name ? (r.position.copy(this.worldPositionStart),
                a = this.dragging) : "END" === r.name ? (r.position.copy(this.worldPosition),
                a = this.dragging) : "DELTA" === r.name ? (r.position.copy(this.worldPositionStart),
                r.quaternion.copy(this.worldQuaternionStart),
                _.set(1e-10, 1e-10, 1e-10).add(this.worldPositionStart).sub(this.worldPosition).multiplyScalar(-1),
                _.applyQuaternion(this.worldQuaternionStart.clone().invert()),
                r.scale.copy(_),
                a = this.dragging) : (r.quaternion.copy(t),
                this.dragging ? r.position.copy(this.worldPositionStart) : r.position.copy(this.worldPosition),
                this.axis && (a = -1 !== this.axis.search(r.name))),
                viewer.updateVisible(r, "hidden", !!a))
            }
            Si.prototype.updateMatrixWorld.call(this)
        }
    }
    function B1(e) {
        Hr.call(this, new ua(1e5,1e5,2,2), new $i({
            color: "#ff0000",
            visible: !1,
            wireframe: !1,
            side: Y,
            transparent: !0,
            opacity: .2
        })),
        this.type = "TransformControlsPlane";
        var t = new Cn(1,0,0)
          , n = new Cn(0,1,0)
          , i = new Cn(0,0,1)
          , r = new Cn
          , a = new Cn
          , o = new Cn
          , s = new ni
          , l = new Sn;
        this.updateMatrixWorld = function() {
            var e = this.space;
            switch (this.position.copy(this.worldPosition),
            "scale" === this.mode && (e = "local"),
            t.set(1, 0, 0).applyQuaternion("local" === e ? this.worldQuaternion : l),
            n.set(0, 1, 0).applyQuaternion("local" === e ? this.worldQuaternion : l),
            i.set(0, 0, 1).applyQuaternion("local" === e ? this.worldQuaternion : l),
            o.copy(n),
            this.mode) {
            case "translate":
            case "scale":
                switch (this.axis) {
                case "X":
                    o.copy(this.eye).cross(t),
                    a.copy(t).cross(o);
                    break;
                case "Y":
                    o.copy(this.eye).cross(n),
                    a.copy(n).cross(o);
                    break;
                case "Z":
                    o.copy(this.eye).cross(i),
                    a.copy(i).cross(o);
                    break;
                case "XY":
                    a.copy(i);
                    break;
                case "YZ":
                    a.copy(t);
                    break;
                case "XZ":
                    o.copy(i),
                    a.copy(n);
                    break;
                default:
                    a.set(0, 0, 0)
                }
                break;
            default:
                a.set(0, 0, 0)
            }
            0 === a.length() ? this.quaternion.copy(this.cameraQuaternion) : (s.lookAt(r.set(0, 0, 0), a, o),
            this.quaternion.setFromRotationMatrix(s)),
            Si.prototype.updateMatrixWorld.call(this)
        }
    }
    var L1, R1, F1 = new _c, I1 = {
        width2d: 35
    }, O1 = new Yi("#FFF"), z1 = function() {
        y(a, Df);
        var t = w(a);
        function a(e) {
            var n;
            return O(this, a),
            e.dimension = "3d",
            (n = t.call(this, "siteModel_" + e.buildType, e)).midMarkers = [],
            n.buildChildren = [],
            n.holes = [],
            n.parentHoles = [],
            n.mats = {},
            n.panos = n.panos || [],
            n.center,
            "floor" == n.buildType && (n.points = e.points = n.buildParent.points,
            n.buildParent.holes.forEach(function(e) {
                var t = new a({
                    buildType: "hole",
                    buildParent: g(n),
                    originHole: e,
                    ifDraw: n.ifDraw || Potree.settings.drawEntityData
                });
                n.parentHoles.push(t),
                n.add(t),
                t.points = e.points
            })),
            "room" != n.buildType && "hole" != n.buildType || (n.restrictArea = n.buildParent),
            n.ifDraw && ("hole" != n.buildType && (n.box = n.createBox(),
            n.add(n.box)),
            n.lineMesh = Sf.createLine([], {
                color: O1
            }),
            n.lineMesh.name = "buildingLines",
            n.lineMesh.visible = !1,
            n.add(n.lineMesh),
            viewer.setObjectLayers(n.lineMesh, "bothMapAndScene"),
            n.addEventListener("dragChange", function(e) {
                n.updateTwoMidMarker(e.index)
            })),
            n.initData(e),
            n
        }
        return h(a, [{
            key: "initData",
            value: function(e) {
                e.ifDraw ? b(v(a.prototype), "initData", this).call(this, e) : e.points && (this.points = e.points)
            }
        }, {
            key: "intersectPointcloudVolume",
            value: function(e) {
                var t = this.getBound()
                  , n = e.bound;
                if (!t.intersectsBox(n))
                    return 0;
                var i = this.getRealZ()
                  , r = i.zMin
                  , a = i.zMax
                  , o = Math.min(r, n.min.z)
                  , t = Math.max(a, n.max.z)
                  , i = a - r + (n.max.z - n.min.z) - (t - o)
                  , a = e.getUnrotBoundPoint()
                  , s = 0
                  , r = this.getArea()
                  , n = Math.abs(Up.getArea(a));
                Up.getPolygonsMixedRings([this.points, a]).forEach(function(e) {
                    s += e.area
                });
                var t = 0
                  , o = this.holes.concat(this.parentHoles)
                  , e = 0
                  , l = 0;
                return 0 < o.length && (e = this.getHolesArea(),
                a = [].concat([a]),
                Up.getPolygonsMixedRings(a).forEach(function(e) {
                    l += e.area
                }),
                t = e + n - l),
                (r + n - s - t) * i
            }
        }, {
            key: "addHole",
            value: function() {
                var n = this
                  , i = new a({
                    buildType: "hole",
                    zMin: this.zMin,
                    zMax: this.zMax,
                    points: 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : [],
                    buildParent: this,
                    ifDraw: this.ifDraw || Potree.settings.drawEntityData
                });
                return this.holes.push(i),
                "building" == this.buildType && this.buildChildren.forEach(function(e) {
                    var t = new a({
                        buildType: "hole",
                        zMin: n.zMin,
                        zMax: n.zMax,
                        buildParent: e,
                        originHole: i,
                        ifDraw: n.ifDraw || Potree.settings.drawEntityData
                    });
                    e.parentHoles.push(t),
                    e.add(t),
                    t.points = i.points
                }),
                this.add(i),
                this.update(),
                i
            }
        }, {
            key: "removeHole",
            value: function(e) {
                var i = this;
                e.dispose(),
                "building" == this.buildType && this.buildChildren.forEach(function(e) {
                    var t = e.parentHoles.find(function(e) {
                        return e.originHole == i
                    })
                      , n = e.parentHoles.indexOf(t);
                    -1 < n && e.parentHoles.splice(n, 1),
                    t.dispose()
                });
                var t = this.holes.indexOf(e);
                -1 < t && this.holes.splice(t, 1),
                this.remove(e),
                this.update()
            }
        }, {
            key: "createBox",
            value: function() {
                var e = new Sl;
                this.mats.boxDefault = P1(this.buildType),
                this.mats.boxSelected = P1(this.buildType + "Select");
                e = new Hr(e,this.mats.boxDefault);
                return e.name = "buildingBox",
                "floor" == this.buildType ? viewer.setObjectLayers(e, "siteModelMapUnvisi") : viewer.setObjectLayers(e, "bothMapAndScene"),
                e
            }
        }, {
            key: "addMarker",
            value: function() {
                var n = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                if ("floor" != this.buildType) {
                    var i = new qp({
                        mat: this.getMarkerMaterial("default"),
                        renderOrder: 3,
                        sizeInfo: I1,
                        dontFixOrient: !0,
                        name: "building_marker"
                    });
                    return viewer.setObjectLayers(i, "siteModeOnlyMapVisi"),
                    e.marker = i,
                    b(v(a.prototype), "addMarker", this).call(this, e),
                    this.selected || viewer.updateVisible(i, "select", !1),
                    i.addEventListener("addHoverEvent", function e(t) {
                        i.addEventListener("click", function(e) {
                            n.dispatchEvent({
                                type: "clickMarker",
                                marker: i
                            })
                        }),
                        i.addEventListener("clickSelect", function(e) {
                            n.setMarkerSelected(i, e.state ? "select" : "unselect")
                        }),
                        i.removeEventListener("addHoverEvent", e)
                    }),
                    this.isNew || i.dispatchEvent("addHoverEvent"),
                    i
                }
            }
        }, {
            key: "removeMarker",
            value: function(e) {
                var t = this;
                b(v(a.prototype), "removeMarker", this).call(this, e),
                this.isNew || (this.midMarkers.forEach(function(e) {
                    return t.remove(e)
                }),
                this.midMarkers = [],
                this.addMidMarkers()),
                this.update(),
                2 == this.points.length && this.box && (this.box.geometry = new Sl)
            }
        }, {
            key: "addMidMarker",
            value: function(e, t) {
                var i = this;
                if ("floor" != this.buildType) {
                    var r = new qp({
                        mat: this.getMarkerMaterial("midPrepare"),
                        sizeInfo: I1,
                        dontFixOrient: !0,
                        name: "building_midMarker"
                    });
                    this.midMarkers = [].concat(Q(this.midMarkers.slice(0, e)), [r], Q(this.midMarkers.slice(e, this.midMarkers.length))),
                    r.renderOrder = 3,
                    viewer.setObjectLayers(r, "siteModeOnlyMapVisi");
                    return r.addEventListener("drag", function(e) {
                        var t = i.midMarkers.indexOf(r)
                          , n = i.addMarker({
                            index: t + 1,
                            point: r.position.clone()
                        });
                        i.addMidMarker(t + 1, new Cn),
                        i.updateTwoMidMarker(t + 1),
                        i.setMarkerSelected(r, "unhover"),
                        viewer.inputHandler.startDragging(n, {})
                    }),
                    r.addEventListener("mouseover", function(e) {
                        i.setMarkerSelected(e.object, "hover", "single"),
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "add",
                            name: "markerMove"
                        })
                    }),
                    r.addEventListener("mouseleave", function(e) {
                        i.setMarkerSelected(e.object, "unhover", "single"),
                        viewer.dispatchEvent({
                            type: "CursorChange",
                            action: "remove",
                            name: "markerMove"
                        })
                    }),
                    this.add(r),
                    this.updateMarker(r, t),
                    this.selected || viewer.updateVisible(r, "select", !1),
                    r
                }
            }
        }, {
            key: "addMidMarkers",
            value: function() {
                var i = this
                  , r = this.points.length;
                this.points.forEach(function(e, t) {
                    var n = i.points[(t + 1) % r]
                      , n = (new Cn).addVectors(e, n).multiplyScalar(.5);
                    i.addMidMarker(t, n)
                })
            }
        }, {
            key: "updateTwoMidMarker",
            value: function(e) {
                var t, n, i, r;
                this.midMarkers.length && (r = this.points.length,
                n = this.points[(e - 1 + r) % r],
                t = this.points[(e + 1) % r],
                i = this.points[e],
                n = (new Cn).addVectors(n, i).multiplyScalar(.5),
                i = (new Cn).addVectors(t, i).multiplyScalar(.5),
                r = this.midMarkers[(e - 1 + r) % r],
                e = this.midMarkers[e],
                this.updateMarker(r, n),
                this.updateMarker(e, i))
            }
        }, {
            key: "dispose",
            value: function() {
                b(v(a.prototype), "dispose", this).call(this),
                this.box && this.box.geometry.dispose(),
                this.lineMesh && this.lineMesh.geometry.dispose(),
                this.holes.forEach(function(e) {
                    return e.dispose()
                }),
                this.parentHoles.forEach(function(e) {
                    return e.dispose()
                }),
                this.dispatchEvent("dispose")
            }
        }, {
            key: "updateBox",
            value: function() {
                var e, t;
                this.box && (this.box.geometry.dispose(),
                e = "room" == this.buildType ? .11 : "floor" == this.buildType ? .082 : .2,
                3 <= this.points.length && (t = this.holes.concat(this.parentHoles).filter(function(e) {
                    return 2 < e.points.length
                }).map(function(e) {
                    return e.points
                }),
                this.box.geometry = Cf.getExtrudeGeo(this.points, t, {
                    depth: this.zMax - this.zMin - e,
                    UVGenerator: new N1
                }),
                "building" == this.buildType ? this.box.position.z = this.zMin - e / 2 : this.box.position.z = this.zMin + e / 2))
            }
        }, {
            key: "update",
            value: function() {
                var n = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                b(v(a.prototype), "update", this).call(this, "floor" != this.buildType && e.ifUpdateMarkers);
                var i = this.points.length;
                this.originHole && (this.points = this.originHole.points),
                "hole" == this.buildType && (this.zMin = this.buildParent.zMin,
                this.zMax = this.buildParent.zMax),
                e.dontUpdateBox || ("hole" == this.buildType ? ("building" == this.buildParent.buildType && this.buildParent.buildChildren.forEach(function(e) {
                    e = e.parentHoles.find(function(e) {
                        return e.originHole == n
                    });
                    e && e.update()
                }),
                this.buildParent) : this).updateBox();
                var r = [];
                this.points.forEach(function(e, t) {
                    r.push(e.clone().setZ(n.zMin), e.clone().setZ(n.zMax));
                    t = n.points[(t + 1) % i];
                    t && (r.push(e.clone().setZ(n.zMax), t.clone().setZ(n.zMax)),
                    r.push(e.clone().setZ(n.zMin), t.clone().setZ(n.zMin)))
                }),
                Sf.moveLine(this.lineMesh, r),
                e.dontUpdateChildren || ("building" == this.buildType && this.buildChildren.forEach(function(e) {
                    e.points = n.points,
                    e.update()
                }),
                this.holes.concat(this.parentHoles).forEach(function(e) {
                    e.update({
                        dontUpdateBox: !0
                    })
                }))
            }
        }, {
            key: "getHolesArea",
            value: function() {
                var e, t = this.holes.concat(this.parentHoles), n = 0;
                return 2 <= t.length ? (e = t.map(function(e) {
                    return e.points
                }),
                (e = Up.getPolygonsMixedRings(e, !0)).forEach(function(e) {
                    n += e.area
                }),
                e = e.map(function(e) {
                    return e.points
                })) : (e = t.map(function(e) {
                    return e.points
                })).forEach(function(e) {
                    return n += Math.abs(Up.getArea(e))
                }),
                n
            }
        }, {
            key: "getArea",
            value: function(e) {
                return Math.abs(Up.getArea(this.points)) - (e ? this.getHolesArea() : 0)
            }
        }, {
            key: "getVolume",
            value: function(e) {
                var t = this.getRealZ()
                  , n = t.zMin
                  , n = t.zMax - n;
                return isNaN(n) && (n = 0),
                this.getArea(e) * n
            }
        }, {
            key: "getRealZ",
            value: function() {
                if ("building" == this.buildType)
                    var e = this.buildChildren[this.buildChildren.length - 1]
                      , t = this.buildChildren[0]
                      , t = t ? t.zMin : 0
                      , e = e ? e.zMax : 0;
                else {
                    if ("hole" == this.buildType)
                        return this.buildParent.getRealZ();
                    t = this.zMin,
                    e = this.zMax
                }
                return {
                    zMin: t,
                    zMax: e
                }
            }
        }, {
            key: "getBound",
            value: function() {
                var t = new kn
                  , e = this.getRealZ()
                  , n = e.zMin
                  , i = e.zMax;
                return ("floor" == this.buildType ? this.buildParent : this).points.forEach(function(e) {
                    t.expandByPoint(e.clone().setZ(n)),
                    t.expandByPoint(e.clone().setZ(i))
                }),
                t
            }
        }, {
            key: "getMarkerMaterial",
            value: function(e) {
                return (L1 = L1 || {
                    default: new $i({
                        transparent: !0,
                        color: O1,
                        opacity: .8,
                        map: F1.load(Potree.resourcePath + "/textures/whiteCircle.png"),
                        depthTest: !1
                    }),
                    midPrepare: new $i({
                        transparent: !0,
                        color: O1,
                        opacity: .4,
                        map: F1.load(Potree.resourcePath + "/textures/whiteCircle.png"),
                        depthTest: !1
                    }),
                    hover: new $i({
                        transparent: !0,
                        color: O1,
                        opacity: 1,
                        map: F1.load(Potree.resourcePath + "/textures/whiteCircle.png"),
                        depthTest: !1
                    }),
                    select: new $i({
                        transparent: !0,
                        color: new Yi("#00C8AF"),
                        opacity: 1,
                        map: F1.load(Potree.resourcePath + "/textures/whiteCircle.png"),
                        depthTest: !1
                    })
                })[e]
            }
        }, {
            key: "setMarkerSelected",
            value: function(e, t, n) {
                "select" == t ? (e.selected = !0,
                e.material = this.getMarkerMaterial("select")) : "unselect" == t ? (e.selected = !1,
                e.material = this.getMarkerMaterial("default")) : e.selected || ("hover" == t ? e.material = this.getMarkerMaterial("hover") : "unhover" == t && (e.name.includes("mid") ? e.material = this.getMarkerMaterial("midPrepare") : e.material = this.getMarkerMaterial("default")))
            }
        }, {
            key: "select",
            value: function() {
                this.selected || (this.box && (this.box.material = this.mats.boxSelected),
                "building" == this.buildType || "floor" == this.buildType ? (this.buildChildren.forEach(function(e) {
                    e.lineMesh.visible = !0
                }),
                "floor" == this.buildType && (viewer.setObjectLayers(this.box, "bothMapAndScene"),
                viewer.setObjectLayers(this.buildParent.box, "siteModelMapUnvisi"))) : "room" == this.buildType && (viewer.setObjectLayers(this.buildParent.box, "bothMapAndScene"),
                viewer.setObjectLayers(this.buildParent.buildParent.box, "siteModelMapUnvisi")),
                this.lineMesh.visible = !0,
                this.markers && this.markers.forEach(function(e) {
                    return viewer.updateVisible(e, "select", !0)
                }),
                this.midMarkers && this.midMarkers.forEach(function(e) {
                    return e.visible = !0
                }),
                this.holes.concat(this.parentHoles).forEach(function(e) {
                    return e.select()
                }),
                this.selected = !0,
                this.dispatchEvent({
                    type: "select"
                }))
            }
        }, {
            key: "unselect",
            value: function() {
                this.selected && (this.box && (this.box.material = this.mats.boxDefault),
                "building" == this.buildType || "floor" == this.buildType ? (this.buildChildren.forEach(function(e) {
                    e.lineMesh.visible = !1
                }),
                "floor" == this.buildType && (viewer.setObjectLayers(this.box, "siteModelMapUnvisi"),
                viewer.setObjectLayers(this.buildParent.box, "bothMapAndScene"))) : "room" == this.buildType && (viewer.setObjectLayers(this.buildParent.box, "siteModelMapUnvisi"),
                viewer.setObjectLayers(this.buildParent.buildParent.box, "bothMapAndScene")),
                this.lineMesh.visible = !1,
                this.markers && this.markers.forEach(function(e) {
                    return viewer.updateVisible(e, "select", !1)
                }),
                this.midMarkers && this.midMarkers.forEach(function(e) {
                    return e.visible = !1
                }),
                this.holes.concat(this.parentHoles).forEach(function(e) {
                    return e.unselect()
                }),
                this.selected = !1,
                this.dispatchEvent({
                    type: "unselect"
                }))
            }
        }, {
            key: "ifContainsPoint",
            value: function(e) {
                var t = this
                  , n = this.getRealZ()
                  , i = n.zMin
                  , n = n.zMax;
                if (!(e.z < i || e.z > n)) {
                    n = this.holes.concat(this.parentHoles).filter(function(e) {
                        return e != t && 2 < e.points.length
                    }).map(function(e) {
                        return e.points
                    });
                    return !!Up.isPointInArea(this.points, n, e)
                }
            }
        }]),
        a
    }(), N1 = function() {
        function e() {
            O(this, e),
            this.a = new Cn,
            this.b = new Cn,
            this.c = new Cn,
            this.d = new Cn
        }
        return h(e, [{
            key: "generateTopUV",
            value: function(e, t, n, i, r) {
                return [new yn(t[3 * n],t[3 * n + 1]), new yn(t[3 * i],t[3 * i + 1]), new yn(t[3 * r],t[3 * r + 1])]
            }
        }, {
            key: "generateSideWallUV",
            value: function(e, t, n, i, r, a) {
                this.a.set(t[3 * n], t[3 * n + 1], t[3 * n + 2]),
                this.b.set(t[3 * i], t[3 * i + 1], t[3 * i + 2]),
                this.c.set(t[3 * r], t[3 * r + 1], t[3 * r + 2]),
                this.d.set(t[3 * a], t[3 * a + 1], t[3 * a + 2]);
                r = this.a.x !== this.b.x,
                t = r ? this.b : this.d,
                a = this.a.distanceTo(t),
                t = t.distanceTo(this.c);
                return [new yn(this.a.x,0), r ? new yn(this.a.x + a,0) : new yn(this.a.x,t), new yn(this.a.x + a,t), r ? new yn(this.a.x,t) : new yn(this.a.x + a,0)]
            }
        }]),
        e
    }(), U1 = {
        zMin: -T.map.cameraHeight,
        zMax: T.map.cameraHeight
    }, G1 = {
        bus: new hn,
        entities: [],
        buildings: [],
        meshGroup: new Si,
        inEntity: null,
        lastPos: new Cn(1 / 0,1 / 0,1 / 0),
        init: function() {
            var n = this;
            viewer.scene.scene.add(this.meshGroup),
            this.meshGroup.name = "siteModel",
            this.SplitScreen = S1,
            "pano" != Potree.settings.editType && (this.createHeightPull(),
            Potree.settings.isTest && viewer.addEventListener("allLoaded", function() {
                viewer.scene.pointclouds.forEach(function(e) {
                    var t = e.getUnrotBoundPoint()
                      , e = new z1({
                        name: "数据集tightBound_" + e.dataset_id,
                        points: t,
                        buildType: "dataset",
                        zMax: e.bound.max.z,
                        zMin: e.bound.min.z,
                        ifDraw: !0
                    });
                    n.meshGroup.add(e)
                })
            }),
            Potree.settings.isOfficial && viewer.addEventListener("camera_changed", function(e) {
                e.changeInfo.positionChanged && n.updateEntityAt()
            }),
            viewer.inputHandler.addEventListener("keydown", function(e) {
                var t;
                e.keyCode != ym.BACKSPACE && e.keyCode != ym.DELETE || n.selectedMarker && (e = (t = n.selectedMarker.parent).markers.indexOf(n.selectedMarker),
                t.removeMarker(e),
                t.points.length < 2 && n.startInsertion("resume", t))
            }))
        },
        updateEntityAt: function(n) {
            function e() {
                var e = viewer.mainViewport.view.position;
                i.lastPos.copy(e);
                var t = "showPanos" == Potree.settings.displayMode ? viewer.images360.currentPano : e
                  , e = i.pointInWhichEntity(t, "room");
                return !n && i.inEntity == e || (i.inEntity,
                i.inEntity = e,
                i.bus.dispatchEvent({
                    type: "buildingChange",
                    entity: e
                }),
                t = i.currentFloor,
                e = e ? "floor" == e.buildType ? e : "room" == e.buildType ? e.buildParent : null : null,
                !n && e == t || (i.currentFloor = e,
                i.bus.dispatchEvent({
                    type: "FloorChange",
                    currentFloor: e
                }))),
                !(n = !1)
            }
            var i = this;
            n ? e() : Fm.intervalTool.isWaiting("sitemodelCameraInterval", e, 500)
        },
        enter: function() {
            Potree.Log("sitemodel enter"),
            this.clear(),
            this.editing = !0,
            viewer.updateFpVisiDatasets();
            var e = viewer.mapViewer.viewports[0];
            this.SplitScreen.split({
                siteModel: !0
            }),
            viewer.viewports.forEach(function(e) {
                "mapViewport" != e.name && e.layersAdd("siteModelMapUnvisi"),
                "right" != e.name && "back" != e.name || e.layersAdd("siteModeSideVisi")
            }),
            viewer.images360.panos.forEach(function(e) {
                viewer.setObjectLayers(e.marker, "siteModelMapUnvisi")
            }),
            e.layersAdd("siteModeOnlyMapVisi")
        },
        leave: function() {
            Potree.Log("sitemodel leave");
            var e = viewer.mapViewer.viewports[0];
            this.SplitScreen.recover(),
            viewer.viewports.forEach(function(e) {
                "mapViewport" != e.name && e.layersRemove("siteModelMapUnvisi"),
                "right" != e.name && "back" != e.name || e.layersRemove("siteModeSideVisi")
            }),
            viewer.images360.panos.forEach(function(e) {
                viewer.setObjectLayers(e.marker, "sceneObjects")
            }),
            e.layersRemove("siteModeOnlyMapVisi"),
            this.clear(),
            this.editing = !1,
            this.updateEntityAt(!0),
            viewer.updateFpVisiDatasets()
        },
        addFloor: function(e, t, n, i) {
            var r, a;
            0 == e.buildChildren.length ? r = (a = e.zMin) + Potree.config.siteModel.floorHeightDefault : "bottom" == t ? a = (r = e.buildChildren[0].zMin) - Potree.config.siteModel.floorHeightDefault : r = (a = e.buildChildren[e.buildChildren.length - 1].zMax) + Potree.config.siteModel.floorHeightDefault;
            i = new z1({
                buildType: "floor",
                zMin: a,
                zMax: r,
                buildParent: e,
                sid: n,
                name: i,
                ifDraw: !0
            });
            return i.update(),
            this.addEntity(i, e),
            this.selected == e && (e.unselect(),
            e.select()),
            i
        },
        startInsertion: function(t, e, n, i, r, a) {
            var o, s, l, u, c, d = this, h = viewer.mapViewer.viewports[0];
            "resume" == t && (l = !0,
            t = (u = e).buildType,
            u.reDraw(0),
            u.isNew = !0),
            l || ("hole" == t || "room" == t ? (o = e.zMin,
            s = e.zMax) : "building" == t && (e = null,
            o = viewer.bound.boundingBox.min.z,
            s = viewer.bound.boundingBox.min.z),
            "hole" == t ? ((u = e.addHole()).isNew = !0,
            this.selectEntity(e),
            u.select(),
            console.log("挖洞 ", u.uuid)) : ((u = new z1({
                buildType: t,
                zMin: o,
                zMax: s,
                buildParent: e,
                sid: n,
                name: i,
                ifDraw: !0
            })).isNew = !0,
            this.selectEntity(u)),
            this.addEntity(u, e));
            var p = function() {
                viewer.removeEventListener("cancel_insertions", m),
                u.removeEventListener("unselect", m),
                clearTimeout(c),
                u.editStateChange(!1),
                r && r(u)
            }
              , f = function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                return e.remove ? (p(),
                d.removeEntity(u)) : !e.remain && !e.finish && !e.remove && u.markers.length <= 3 ? (u.reDraw(1),
                viewer.updateVisible(u.markers[0], "unMove", !1),
                u.addEventListener("dragChange", function e() {
                    viewer.updateVisible(u.markers[0], "unMove", !0),
                    u.removeEventListener("dragChange", e)
                }),
                void u.continueDrag(u.markers[0], e)) : (p(),
                e.remain || !e.remove && 3 < u.markers.length ? (u.removeMarker(u.points.length - 1),
                u.markers.forEach(function(e) {
                    e.dispatchEvent("addHoverEvent")
                }),
                "room" == t && d.fitPullBox(),
                u.isNew = !1,
                u.addMidMarkers()) : d.removeEntity(u),
                u)
            }
              , m = function e(t) {
                u.removeEventListener("unselect", e),
                viewer.inputHandler.drag ? (viewer.inputHandler.drag.object.dispatchEvent({
                    type: "drop",
                    drag: viewer.inputHandler.drag,
                    viewer: viewer,
                    pressDistance: 0,
                    button: C.RIGHT
                }),
                viewer.inputHandler.drag = null) : f({
                    remain: !0
                }),
                viewer.inputHandler.drag = null
            };
            viewer.dispatchEvent("cancel_insertions"),
            viewer.addEventListener("cancel_insertions", m),
            u.addEventListener("unselect", m);
            var v = u.addMarker({
                point: new Cn(0,0,0)
            });
            return viewer.updateVisible(v, "unMove", !1),
            u.addEventListener("dragChange", function e() {
                viewer.updateVisible(v, "unMove", !0),
                u.removeEventListener("dragChange", e)
            }),
            v.isDragging = !0,
            viewer.inputHandler.startDragging(v, {
                dragViewport: h,
                endDragFun: function(e) {
                    var t;
                    e.button == C.LEFT ? (t = u.addMarker({
                        point: u.points[u.points.length - 1].clone()
                    }),
                    u.continueDrag(t, e)) : e.button === C.RIGHT && (e.pressDistance < Potree.config.clickMaxDragDis ? f(e) : u.continueDrag(null, e))
                },
                notPressMouse: !0
            }),
            u
        },
        getPreDealData: function(e, t, n, i, r, a) {
            var o = this
              , s = viewer.bound.boundingBox;
            return "building" == r && i ? (console.log("空间模型未编辑过, 初始化了一个"),
            e = [new Cn(s.min.x,s.min.y,0), new Cn(s.max.x,s.min.y,0), new Cn(s.max.x,s.max.y,0), new Cn(s.min.x,s.max.y,0)],
            t = s.min.z,
            n = s.max.z) : (e = e.map(function(e) {
                return o.transform(e, "fromDataset")
            }),
            "floor" == r && i && (t = s.min.z,
            n = s.max.z)),
            {
                points: e,
                zMax: n,
                zMin: t
            }
        },
        resetFromData: function(t) {
            var n = this
              , e = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : []
              , i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : []
              , r = 3 < arguments.length ? arguments[3] : void 0
              , a = 4 < arguments.length ? arguments[4] : void 0;
            return e = n.getPreDealData(e, r, a, n.autoBuild, t.buildType, t.buildParent),
            r = e.points,
            a = e.zMax,
            e = e.zMin,
            "floor" != t.buildType && (t.points = r),
            "room" == t.buildType ? (t.zMin = e,
            t.zMax = a) : "floor" == t.buildType && (e = t.zMin + (a - e),
            G1.changeZ(t, "zMax", e)),
            t.holes.forEach(function(e) {
                t.removeHole(e)
            }),
            i.forEach(function(e) {
                e = e.map(function(e) {
                    return n.transform(e, "fromDataset")
                });
                t.addHole(e).addMidMarkers()
            }),
            t.update(),
            t
        },
        createFromData: function(o, s, l, u) {
            var c = this
              , e = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : []
              , d = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : []
              , t = 6 < arguments.length ? arguments[6] : void 0
              , n = 7 < arguments.length ? arguments[7] : void 0
              , h = 8 < arguments.length ? arguments[8] : void 0
              , p = 9 < arguments.length ? arguments[9] : void 0
              , f = 10 < arguments.length ? arguments[10] : void 0;
            return function(e, t, n) {
                if ("building" == o || "floor" == o || "room" == o) {
                    var i = c.getPreDealData(e, t, n, h, o, s)
                      , e = i.points
                      , n = i.zMax
                      , t = i.zMin
                      , r = [];
                    p && p.forEach(function(e) {
                        e = viewer.images360.getPano(e, "sid");
                        e && r.push(e)
                    }),
                    f = null != f ? viewer.images360.getPano(f, "sid") : null,
                    c.editing || "floor" != o || f || (r = s.panos,
                    f = s.flagPano);
                    var n = {
                        buildType: o,
                        points: e,
                        name: u,
                        sid: l,
                        zMin: t,
                        zMax: n,
                        buildParent: s,
                        ifDraw: c.editing || Potree.settings.drawEntityData,
                        panos: r,
                        flagPano: f,
                        autoBuild: h
                    }
                      , a = new z1(n);
                    return G1.addEntity(a, s),
                    c.editing && ("building" != o && "room" != o || a.addMidMarkers()),
                    d.forEach(function(e) {
                        e = e.map(function(e) {
                            return c.transform(e, "fromDataset")
                        }),
                        e = a.addHole(e);
                        c.editing && e.addMidMarkers()
                    }),
                    a
                }
            }(e, t, n)
        },
        transform: function(e, t) {
            if ("pano" == Potree.settings.editType)
                return (new Cn).copy(e).setZ(0);
            if ("toDataset" == t) {
                t = Potree.Utils.datasetPosTransform({
                    toDataset: !0,
                    position: e.clone(),
                    datasetId: Potree.settings.originDatasetId
                });
                return (new yn).copy(t)
            }
            e = (new Cn).copy(e).setZ(0);
            return Potree.Utils.datasetPosTransform({
                fromDataset: !0,
                position: e,
                datasetId: Potree.settings.originDatasetId
            })
        },
        addEntity: function(t, e) {
            var n = this;
            this.meshGroup.add(t),
            this.entities.push(t),
            ("building" == t.buildType ? this.buildings : e.buildChildren).push(t),
            "room" == t.buildType ? t.addEventListener("marker_dropped", function() {
                n.fitPullBox()
            }) : "floor" == t.buildType && (this.updateBuildingZ(e),
            e.dispatchEvent({
                type: "addFloor"
            })),
            t.addEventListener("clickMarker", function(e) {
                n.selectedMarker == e.marker ? (n.selectedMarker.dispatchEvent({
                    type: "clickSelect",
                    state: !1
                }),
                n.selectedMarker = null) : (n.selectedMarker && n.selectedMarker.dispatchEvent({
                    type: "clickSelect",
                    state: !1
                }),
                n.selectedMarker = e.marker,
                n.selectedMarker.dispatchEvent({
                    type: "clickSelect",
                    state: !0
                }))
            }),
            t.addEventListener("removeMarker", function(e) {
                n.selectedMarker == e.marker && (n.selectedMarker = null)
            });
            function i(e) {
                n.selectedMarker && t.markers.includes(n.selectedMarker) && (n.selectedMarker.dispatchEvent({
                    type: "clickSelect",
                    state: !1
                }),
                n.selectedMarker = null)
            }
            t.addEventListener("dispose", i),
            t.addEventListener("unselect", i)
        },
        removeEntity: function(e) {
            var t, n = this;
            this.entities.includes(e) && (console.log("删除实体:", e.buildType, e.sid),
            this.selected == e && (this.height_pull_box.visible = !1,
            this.selectEntity(null)),
            "building" == e.buildType ? -1 < (t = this.buildings.indexOf(e)) && this.buildings.splice(t, 1) : -1 < (t = e.buildParent.buildChildren.indexOf(e)) && e.buildParent.buildChildren.splice(t, 1),
            -1 < (t = this.entities.indexOf(e)) && this.entities.splice(t, 1),
            e.dispose(),
            e.buildChildren.slice().forEach(function(e) {
                return n.removeEntity(e)
            }))
        },
        updateBuildingZ: function(e) {
            e.buildChildren = e.buildChildren.sort(function(e, t) {
                return e.zMin - t.zMin
            }),
            e.zMin = e.zMax = e.buildChildren[0].zMin,
            this.editing && e.update({
                dontUpdateChildren: !0
            }),
            e.dispatchEvent("updateBuildingZ")
        },
        selectEntity: function(e) {
            if (!1 === (!(1 < arguments.length && void 0 !== arguments[1]) || arguments[1]))
                return e.unselect(),
                void (this.selected == e && (this.selected = null));
            this.selected == e || e && "hole" == e.buildType || (this.selected && this.selected.unselect(),
            this.height_pull_box.visible = !1,
            e && e.select(),
            !(this.selected = e) || "floor" != e.buildType && "room" != e.buildType || (this.height_pull_box.visible = !0,
            this.fitPullBox()),
            e && !e.isNew && ("building" == e.buildType || "room" == e.buildType) && e.points.length < 2 && this.startInsertion("resume", e))
        },
        fitPullBox: function() {
            var e, t;
            !this.selected || "floor" != this.selected.buildType && "room" != this.selected.buildType || ((t = new kn).expandByObject(this.selected.box),
            e = t.getCenter(new Cn),
            t = t.getSize(new Cn),
            this.height_pull_box.scale.copy(t),
            this.height_pull_box.position.copy(e))
        },
        changeZ: function(e, t, n) {
            var i, r, a, o;
            "floor" == e.buildType ? (o = e.buildParent.buildChildren.indexOf(e),
            "zMax" == t ? (a = e.buildParent.buildChildren[o + 1],
            e.zMax = Math.min(U1.zMax, n),
            r = e.zMin + .5,
            e.zMax < r ? e.zMax = r : a && (i = a.zMax - .5,
            e.zMax > i && (e.zMax = i)),
            a && (a.zMin = e.zMax,
            a.update(),
            a.dispatchEvent({
                type: "changeHeight"
            }))) : (a = e.buildParent.buildChildren[o - 1],
            e.zMin = Math.max(U1.zMin, n),
            i = e.zMax - .5,
            e.zMin > i ? e.zMin = i : a && (r = a.zMin + .5,
            e.zMin < r && (e.zMin = r)),
            a && (a.zMax = e.zMin,
            a.update(),
            a.dispatchEvent({
                type: "changeHeight"
            })),
            0 == o && this.updateBuildingZ(e.buildParent))) : "room" == e.buildType && (o = e.buildParent.zMax - e.buildParent.zMin,
            "zMax" == t ? (r = e.zMin + .5,
            i = e.zMin + o,
            e.zMax = gn.clamp(n, r, i)) : (r = e.zMax - o,
            i = e.zMax - .5,
            e.zMin = gn.clamp(n, r, i))),
            e.update(),
            e.dispatchEvent({
                type: "changeHeight"
            }),
            this.fitPullBox()
        },
        createHeightPull: function() {
            var i = this
              , e = new Wr(1,1,.25)
              , t = new $i({
                color: "#F00",
                opacity: 0,
                transparent: !0,
                depthTest: !1,
                side: 2
            })
              , r = new Hr(e,t)
              , t = new Hr(e,t);
            r.name = "height_pull_box_up",
            t.name = "height_pull_box_down",
            this.height_pull_box = new Si,
            this.height_pull_box.name = "height_pull_box",
            this.height_pull_box.add(r),
            this.height_pull_box.add(t),
            this.height_pull_box.visible = !1,
            this.meshGroup.add(this.height_pull_box),
            r.position.set(0, 0, .5),
            t.position.set(0, 0, -.5),
            viewer.setObjectLayers(this.height_pull_box, "siteModeSideVisi");
            function n(e) {
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "siteModelFloorDrag"
                })
            }
            function a(e) {
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "siteModelFloorDrag"
                })
            }
            function o(e) {
                var t, n = e.intersect.orthoIntersect;
                null != u ? (t = n.z - u,
                "floor" != i.selected.buildType && "room" != i.selected.buildType || (e.target == r ? (null == l && (l = i.selected.zMax),
                i.changeZ(i.selected, "zMax", l + t)) : (null == l && (l = i.selected.zMin),
                i.changeZ(i.selected, "zMin", l + t)))) : u = n.z
            }
            function s(e) {
                l = u = null
            }
            var l, u;
            r.addEventListener("mousemove", n),
            t.addEventListener("mousemove", n),
            r.addEventListener("mouseleave", a),
            t.addEventListener("mouseleave", a),
            r.addEventListener("drag", o),
            t.addEventListener("drag", o),
            r.addEventListener("drop", s),
            t.addEventListener("drop", s)
        },
        pointInWhichEntity: function(o, e, t) {
            function s(e, t) {
                var n = o instanceof Cn ? e.ifContainsPoint(o) : e.panos.includes(o);
                if (n) {
                    if ((!l || u[l.buildType] < u[e.buildType]) && (l = e),
                    e.buildType == t)
                        return e;
                    for (var i = 0, r = e.buildChildren.length; i < r; i++) {
                        var a = s(e.buildChildren[i]);
                        if (a)
                            return a
                    }
                }
            }
            var l, u = {
                building: 0,
                floor: 1,
                room: 2
            }, n = Fm.sortByScore(this.buildings, [function(e) {
                return s(e, "building")
            }
            ], [function(e) {
                var t = e.getBound()
                  , e = t.getCenter(new Cn)
                  , e = (o instanceof Cn ? o : o.position).distanceTo(e);
                return t.getSize(new Cn).length() / 2 / e
            }
            ]), i = n && n[0] && 1 < n[0].score && n[0].item;
            return "building" != e && i ? (n = s(i, e)) || l : i
        },
        findPanos: function() {
            this.entities.forEach(function(t) {
                t.panos = [],
                t.flagPano = null,
                viewer.images360.panos.forEach(function(e) {
                    t.ifContainsPoint(e.position) && t.panos.push(e)
                })
            }),
            this.entities.forEach(function(e) {
                var t, n = e.panos;
                0 != n.length && (t = e.getBound().getCenter(new Cn),
                t = [ly.scoreFunctions.distanceSquared({
                    position: t
                })],
                (t = Fm.sortByScore(n, [], t)) && t.length ? e.flagPano = t[0].item : console.error("no flagPano??"))
            })
        },
        findEntityForDataset: function() {
            var r = this;
            viewer.scene.pointclouds.forEach(function(e) {
                for (var t = e.getVolume(), n = r.buildings; ; ) {
                    var i = function(r, e, a) {
                        var o = [];
                        return e.forEach(function(e) {
                            var t = e.intersectPointcloudVolume(r)
                              , n = e.panos.filter(function(e) {
                                return r.panos.includes(e)
                            }).length
                              , i = t / a;
                            0 < r.panos.length && (i += n / r.panos.length),
                            o.push({
                                entity: e,
                                volume: t,
                                panoCount: n,
                                score: i
                            })
                        }),
                        o.sort(function(e, t) {
                            return t.score - e.score
                        }),
                        o
                    }(e, n, t);
                    if (0 == i.length || i[0].volume / t < 1e-4 && i[0].volume < 3) {
                        if (i[0] && "room" == i[0].entity.buildType) {
                            e.belongToEntity = i[0].entity;
                            break
                        }
                        e.belongToEntity = null;
                        break
                    }
                    if (0 == (n = i[0].entity.buildChildren).length) {
                        e.belongToEntity = i[0].entity;
                        break
                    }
                }
            })
        },
        clear: function() {
            this.selectEntity(null);
            for (var e = this.entities.length, t = 0; t < e; t++)
                this.entities[t].dispose();
            this.entities = [],
            this.buildings = [],
            this.inEntity = null
        },
        gotoEntity: function(t, e) {
            var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 1e3
              , i = this.entities.find(function(e) {
                return e.sid == t
            });
            if (!i)
                return console.error("没找到entity ");
            if ("showPanos" == Potree.settings.displayMode) {
                if (e && i.panos.length) {
                    if (i.panos.includes(viewer.images360.currentPano))
                        return "posNoChange";
                    var r = viewer.scene.getActiveCamera().position
                      , r = [ly.scoreFunctions.distanceSquared({
                        position: r
                    })]
                      , r = Fm.sortByScore(i.panos, [], r)[0].item
                } else {
                    if (!i.flagPano)
                        return console.log("没有flagPano");
                    r = i.flagPano
                }
                if (r == viewer.images360.currentPano)
                    return "posNoChange";
                viewer.images360.flyToPano(r)
            } else {
                if (e && i.ifContainsPoint(viewer.images360.position))
                    return "posNoChange";
                e = i.getBound(),
                i = e.getCenter(new Cn);
                if (viewer.modules.Clip && viewer.modules.Clip.editing)
                    viewer.modules.Clip.bus.dispatchEvent({
                        type: "flyToPos",
                        position: i
                    });
                else {
                    if (Up.closeTo(i, viewer.images360.position))
                        return "posNoChange";
                    e = e.getSize(new Cn);
                    viewer.scene.view.setView({
                        position: i,
                        duration: n
                    }),
                    viewer.mapViewer.moveTo(i, e, n)
                }
            }
            return !0
        },
        focusEntity: function(t) {
            var e = this.entities.find(function(e) {
                return e.sid == t
            }).getBound()
              , n = e.getCenter(new Cn);
            this.SplitScreen.focusOnObject(e, n),
            this.gotoEntity(t, !1, 0)
        },
        removeIlligalArchi: function() {
            var t = this
              , n = [];
            this.entities.forEach(function(e) {
                e.points.length < 3 && n.push(e)
            }),
            n.forEach(function(e) {
                return t.removeEntity(e)
            })
        }
    }, H1 = function() {
        y(l, Hr);
        var s = w(l);
        function l(e, t, n, i) {
            var r = 4 < arguments.length && void 0 !== arguments[4] ? arguments[4] : .2
              , a = 5 < arguments.length && void 0 !== arguments[5] ? arguments[5] : 1;
            O(this, l),
            n = n || new Yi("white"),
            e = e || 10,
            t = t || 100,
            i = i || 8e3;
            var o = new ua(2,2,1,1)
              , i = new Qr({
                side: Y,
                uniforms: {
                    uSize1: {
                        value: e
                    },
                    uSize2: {
                        value: t
                    },
                    opacity1: {
                        value: r
                    },
                    opacity2: {
                        value: a
                    },
                    uColor: {
                        value: n
                    },
                    uDistance: {
                        value: i
                    }
                },
                transparent: !0,
                vertexShader: "\n               \n               varying vec3 worldPosition;\n               \n               uniform float uDistance;\n               \n               void main() {\n               \n                    vec3 pos = position.xyz * uDistance;\n                    pos.xy += cameraPosition.xy;\n                    \n                    worldPosition = pos;\n                    \n                    gl_Position = projectionMatrix * modelViewMatrix * vec4(pos, 1.0);\n               \n               }\n               ",
                fragmentShader: "\n               \n               varying vec3 worldPosition;\n               \n               uniform float uSize1;\n               uniform float uSize2;\n               uniform float opacity1;\n               uniform float opacity2;\n               uniform vec3 uColor;\n               uniform float uDistance;\n                \n                \n                \n                float getGrid(float size) {\n                \n                    vec2 r = worldPosition.xy / size;\n                    \n                    \n                    vec2 grid = abs(fract(r - 0.5) - 0.5) / fwidth(r);\n                    float line = min(grid.x, grid.y);\n                    \n                \n                    return 1.0 - min(line, 1.0);\n                }\n                //为何侧面看不到线，因为mesh的正侧面都看不到？\n\n               void main() {\n               \n                    \n                      float d = 1.0 - min(distance(cameraPosition.xy, worldPosition.xy) / uDistance, 1.0);\n                    \n                      float g1 = getGrid(uSize1);\n                      float g2 = getGrid(uSize2);\n                      \n                      \n                      gl_FragColor = vec4(uColor.rgb, mix(g2, g1, g1) * pow(d, 3.0));\n                      //gl_FragColor.a = mix(0.5 * gl_FragColor.a, gl_FragColor.a, g2);\n                        gl_FragColor.a = mix(opacity1 * gl_FragColor.a, opacity2 * gl_FragColor.a, g2);\n                        \n                        \n                      if ( gl_FragColor.a <= 0.0 ) discard;\n                    \n               \n               }\n               \n               ",
                extensions: {
                    derivatives: !0
                }
            });
            return (i = s.call(this, o, i)).frustumCulled = !1,
            i
        }
        return h(l)
    }();
    D1.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: D1,
        isTransformControls: !0
    }),
    k1.prototype = Object.assign(Object.create(Si.prototype), {
        constructor: k1,
        isTransformControlsGizmo: !0
    }),
    B1.prototype = Object.assign(Object.create(Hr.prototype), {
        constructor: B1,
        isTransformControlsPlane: !0
    }),
    (new _c).crossOrigin = "anonymous";
    var V1 = [{
        left: 0,
        bottom: 0,
        width: .5,
        height: 1,
        name: "top",
        axis: ["x", "y"],
        direction: new Cn(0,0,-1),
        active: !0,
        limitBound: new kn(new Cn(-1 / 0,-1 / 0,1),new Cn(1 / 0,1 / 0,5e3)),
        margin: {
            x: 50,
            y: 150
        }
    }, {
        left: .5,
        bottom: 0,
        width: .5,
        height: 1,
        name: "right",
        axis: ["y", "z"],
        direction: new Cn(1,0,0),
        active: !0,
        viewContainsPoints: [new Cn(0,0,0)],
        margin: {
            x: 300,
            y: 250
        }
    }]
      , j1 = {
        bus: new hn,
        SplitScreen: new A1,
        init: function() {
            var n = this
              , e = this.ground = new H1(1,1e4,new Yi("#fff"),1e4,.2,.3);
            viewer.scene.scene.add(e);
            var t = Sf.createLine([new Cn(-1e4,0,0), new Cn(1e4,0,0)], {
                color: "#666",
                dontAlwaysSeen: !0
            })
              , i = Sf.createLine([new Cn(0,-1e4,0), new Cn(0,1e4,0)], {
                mat: t.material
            });
            e.renderOrder = t.renderOrder + 1,
            e.add(t),
            e.add(i),
            e.material.polygonOffset = !0,
            e.material.polygonOffsetFactor = 10,
            e.material.polygonOffsetUnits = 10,
            t.material.polygonOffset = !0,
            t.material.polygonOffsetFactor = 20,
            t.material.polygonOffsetUnits = 10,
            this.transformControls = new D1(viewer.mainViewport.camera,viewer.renderArea,{
                dontHideWhenFaceCamera: !0
            }),
            this.transformControls.setSize(1.5),
            viewer.scene.scene.add(this.transformControls),
            viewer.setControls(viewer.orbitControls),
            viewer.orbitControls.constantlyForward = !0,
            viewer.addEventListener("global_single_click", function(e) {
                viewer.scene.cameraAnimations.some(function(e) {
                    return e.onUpdate
                }) || e.drag && e.drag.notPressMouse || viewer.mainViewport.view.isFlying() || n.split || (e.intersect ? (e = e.intersect.object || e.intersect.pointcloud,
                n.getAllObjects().includes(e) ? n.selectModel(e) : n.selectModel(null)) : n.selectModel(null))
            }),
            viewer.inputHandler.addEventListener("keydown", function(e) {
                "h" == e.event.key.toLowerCase() && (n.fadeOutlineAuto = !n.fadeOutlineAuto,
                n.showModelOutline(n.selected, !!n.selected))
            }),
            viewer.ssaaRenderPass.enabled = !1,
            viewer.outlinePass.enabled = !0,
            viewer.mainViewport.camera.near = .05,
            viewer.addEventListener("updateModelBound", function(e) {
                n.split && n.SplitScreen.updateCameraOutOfModel()
            });
            function r(e) {
                if (n.split && "top" == e.dragViewport.name && n.selected && n.transformState && ("global_mousedown" == e.type && (e.intersect.object || e.intersect.pointcloud) == n.selected && (a = {}),
                "global_drag" == e.type && a)) {
                    if ("translate" == n.transformState) {
                        var t = Potree.Utils.getOrthoCameraMoveVec(e.drag.pointerDelta, e.dragViewport.camera);
                        n.selected.position.add(t),
                        n.selected.dispatchEvent("position_changed")
                    } else if ("rotate" == n.transformState) {
                        t = (new Cn).subVectors(e.intersect.orthoIntersect || e.intersect.location, n.selected.boundCenter).setZ(0);
                        if (null == a.lastVec)
                            return void (a.lastVec = t);
                        e = Up.getAngle(a.lastVec, t, "z");
                        a.lastVec = t;
                        e = (new Sn).setFromAxisAngle(new Cn(0,0,1), e);
                        n.selected.quaternion.premultiply(e),
                        n.selected.dispatchEvent("rotation_changed")
                    }
                    return {
                        stopContinue: !0
                    }
                }
            }
            var a;
            viewer.addEventListener("global_mousedown", r),
            viewer.addEventListener("global_drag", r, 10),
            viewer.addEventListener("global_mousemove", function(e) {
                n.split && "top" == e.hoverViewport.name && n.transformState && !e.drag && ((e.intersect.object || e.intersect.pointcloud) == n.selected ? "translate" == n.transformState ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "movePointcloud"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "rotatePointcloud"
                }) : n.clearTranCursor())
            }),
            viewer.addEventListener("global_drop", function(e) {
                a = null,
                n.clearTranCursor()
            })
        },
        clearTranCursor: function() {
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "movePointcloud"
            }),
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "remove",
                name: "rotatePointcloud"
            })
        },
        enterSplit: function() {
            this.split = !0,
            this.selected ? this.SplitScreen.focusCenter = this.selected.boundCenter : this.SplitScreen.focusCenter = null,
            this.SplitScreen.splitStart(V1),
            viewer.setControls(viewer.fpControls),
            viewer.viewports.find(function(e) {
                return "right" == e.name
            }).rotateSide = !0,
            viewer.viewports.find(function(e) {
                return "top" == e.name
            }).alignment = !0
        },
        leaveSplit: function() {
            this.split = !1,
            this.SplitScreen.unSplit(),
            viewer.setControls(viewer.orbitControls)
        },
        rotateSideCamera: function(e) {
            this.SplitScreen.rotateSideCamera(viewer.viewports.find(function(e) {
                return "right" == e.name
            }), e)
        },
        setTransformState: function(e) {
            this.transformState = e,
            this.clearTranCursor()
        },
        getAllObjects: function() {
            return viewer.objs.children.concat(viewer.scene.pointclouds)
        },
        getModel: function(t) {
            return this.getAllObjects().find(function(e) {
                return e.dataset_id == t
            })
        },
        removeModel: function(e) {
            this.selected == e && this.selectModel(null),
            e.traverse(function(e) {
                e.geometry && e.geometry.dispose(),
                e.material && e.material.dispose()
            }),
            viewer.objs.remove(e)
        },
        selectModel: function(e) {
            var t = !(1 < arguments.length && void 0 !== arguments[1]) || arguments[1]
              , n = 2 < arguments.length ? arguments[2] : void 0
              , i = 3 < arguments.length ? arguments[3] : void 0;
            if (e || (e = this.selected,
            t = !1),
            t) {
                if (this.selected) {
                    if (this.selected == e)
                        return;
                    this.selectModel(this.selected, !1, n, i)
                }
                this.selected = e,
                j1.focusOn(e, 500, !!n),
                this.showModelOutline(e),
                e.isPointcloud ? viewer.outlinePass.edgeStrength = 4 : viewer.outlinePass.edgeStrength = 100
            } else
                this.showModelOutline(e, !1),
                this.selected = null,
                this.transformControls.detach();
            !i && e && e.dispatchEvent({
                type: "changeSelect",
                selected: t
            })
        },
        showModelOutline: function(e, t) {
            if (this.fadeOutlineAuto) {
                if (!1 === t)
                    return viewer.outlinePass.selectedObjects = [],
                    void clearTimeout(this.timer);
                viewer.outlinePass.selectedObjects = [e],
                this.timer && clearTimeout(this.timer),
                this.timer = setTimeout(function() {
                    viewer.outlinePass.selectedObjects = []
                }, 1e3)
            } else
                viewer.outlinePass.selectedObjects = !1 === t ? [] : [e]
        },
        focusOn: function(e) {
            var t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 400
              , n = !(2 < arguments.length && void 0 !== arguments[2]) || arguments[2]
              , i = 3 < arguments.length ? arguments[3] : void 0;
            e instanceof Array || (e = [e]);
            var r = new kn;
            e.forEach(function(e) {
                r.union(e.boundingBox.clone().applyMatrix4(e.matrixWorld))
            }),
            n ? viewer.focusOnObject({
                boundingBox: r
            }, "boundingBox", t, {
                dontLookUp: i
            }) : (i = viewer.inputHandler.intersect ? viewer.inputHandler.intersect.location : r.getCenter(new Cn)) && viewer.focusOnObject({
                position: i
            }, "point", t, {
                dontChangePos: !0
            })
        },
        setModelBtmHeight: function(e, t) {
            null == t ? t = e.btmHeight : e.btmHeight = t,
            e.updateMatrixWorld();
            var n = e.boundingBox.clone().applyMatrix4(e.matrixWorld)
              , i = n.getSize(new Cn)
              , n = n.getCenter(new Cn)
              , i = t + i.z / 2;
            e.position.z += i - n.z
        },
        computeBtmHeight: function(e) {
            e.updateMatrixWorld();
            var t = e.boundingBox.clone().applyMatrix4(e.matrixWorld)
              , n = t.getSize(new Cn)
              , t = t.getCenter(new Cn);
            e.btmHeight = t.z - n.z / 2
        },
        maintainBoundXY: function(e) {
            e.updateMatrixWorld();
            var t = e.boundCenter.clone();
            this.getBoundCenter(e);
            var n = e.boundCenter.clone()
              , n = (new yn).subVectors(t, n);
            e.position.x += n.x,
            e.position.y += n.y,
            e.boundCenter.copy(t)
        },
        moveBoundCenterTo: function(e, t) {
            t = (new Cn).subVectors(t, e.boundCenter);
            e.position.add(t)
        },
        getBoundCenter: function(e) {
            e.boundCenter || (e.boundCenter = new Cn),
            e.boundingBox.getCenter(e.boundCenter).applyMatrix4(e.matrixWorld)
        },
        modelTransformCallback: function(r) {
            r.updateMatrixWorld(),
            r.matrixWorld.equals(r.lastMatrixWorld) || (viewer.scene.measurements.forEach(function(n) {
                var i;
                n.points_datasets.forEach(function(e, t) {
                    e == r.dataset_id && (i = !0,
                    n.points[t] = Potree.Utils.datasetPosTransform({
                        fromDataset: !0,
                        datasetId: e,
                        position: n.dataset_points[t].clone()
                    }),
                    n.updateMarker(n.markers[t], n.points[t]))
                }),
                i && (n.getPoint2dInfo(n.points),
                n.update())
            }),
            r.lastMatrixWorld = r.matrixWorld.clone())
        }
    }
      , W1 = new _c
      , X1 = new Dl(1.45,100)
      , q1 = new Tu(.018,10,10)
      , J1 = Math.round(2 <= window.devicePixelRatio ? (1398784 <= window.screen.width * window.screen.height ? window.devicePixelRatio / 1.2 : window.devicePixelRatio / 1.5) * (200 / 1.43) : 200 / 1.43);
    console.log("width2dPX", J1);
    function Y1(e) {
        return (eb = eb || {
            "fire+smoke": Sf.createFatLineMat($.extend(kb, {
                color: Db["fire+smoke"],
                lineWidth: 2
            })),
            smoke: Sf.createFatLineMat($.extend(kb, {
                color: Db.smoke,
                lineWidth: 2
            })),
            explode: Sf.createFatLineMat($.extend(kb, {
                color: Db.explode,
                lineWidth: 2
            }))
        })[e]
    }
    function Z1(e) {
        var t;
        return tb || (t = new _c,
        tb = {
            "fire+smoke": new Wp($.extend(kb, {
                map: t.load(Potree.resourcePath + "/textures/icon-fire.png"),
                color: Db["fire+smoke"]
            })),
            smoke: new Wp($.extend(kb, {
                map: t.load(Potree.resourcePath + "/textures/icon-smoke.png"),
                color: Db.smoke
            })),
            explode: new Wp($.extend(kb, {
                map: t.load(Potree.resourcePath + "/textures/icon-explode.png"),
                color: Db.explode
            }))
        }),
        tb[e]
    }
    var Q1, K1, $1, eb, tb, nb, ib, rb, ab = function() {
        y(l, Si);
        var s = w(l);
        function l(t) {
            var n;
            O(this, l),
            (n = s.call(this)).width = n.height = J1,
            n.camera = new $r(50,1,.01,1e4),
            n.camera.up = new Cn(0,0,1),
            n.viewport = new Ig(null,n.camera,{
                left: 0,
                bottom: 0,
                width: 1,
                height: 1,
                name: "magnifier",
                cameraLayers: ["magnifierContent"],
                pixelRatio: 1
            }),
            n.viewport.setResolution(n.width, n.height, 0, 0);
            var e, i, r, a = new Map;
            n.viewport.beforeRender = function() {
                t.scene.pointclouds.forEach(function(e) {
                    a.set(e, e.temp.pointOpacity)
                }),
                e = Potree.settings.pointDensity,
                Potree.settings.pointDensity = "magnifier",
                t.scene.pointclouds.forEach(function(e) {
                    i = e.material.pointSizeType,
                    e.material.pointSizeType = Potree.config.material.pointSizeType,
                    r = e.material.activeAttributeName,
                    e.material.activeAttributeName = "rgba",
                    e.changePointOpacity(1)
                })
            }
            ,
            n.viewport.afterRender = function() {
                Potree.settings.pointDensity = e,
                t.scene.pointclouds.forEach(function(e) {
                    e.material.pointSizeType = i,
                    e.material.activeAttributeName = r,
                    e.changePointOpacity(a.get(e))
                })
            }
            ,
            n.renderTarget = new An(n.width,n.height,{
                minFilter: Oe,
                magFilter: Oe,
                format: et
            }),
            n.rtEDL = new An(n.width,n.height,{
                minFilter: Re,
                magFilter: Re,
                format: et,
                type: Xe,
                depthTexture: new El(void 0,void 0,We)
            }),
            n.mesh = new Hr(X1,new $i({
                side: Y,
                map: n.renderTarget.texture,
                transparent: !0,
                depthTest: !1
            })),
            n.overlayMesh = new Hr(X1,new $i({
                side: Y,
                map: W1.load(Potree.resourcePath + "/textures/crosshair.png"),
                transparent: !0,
                depthTest: !1
            })),
            n.targetPoint = new Si,
            n.targetPoint.add(new Hr(q1,new $i({
                color: "#ff0000",
                transparent: !0,
                opacity: .5
            }))),
            n.targetPoint.add(new Hr(q1,new $i({
                color: "#ff0000",
                transparent: !0,
                opacity: .2,
                depthTest: !1
            }))),
            n.targetPoint.name = "magnifierPointTarget",
            t.scene.scene.add(n.targetPoint),
            t.setObjectLayers(n.targetPoint, "magnifierContent"),
            n.add(n.mesh),
            n.add(n.overlayMesh),
            n.position.set(-1e3, -1e3, -1e5),
            n.mesh.renderOrder = 10,
            n.overlayMesh.renderOrder = 11,
            n.aimPos,
            t.setObjectLayers(g(n), "magnifier"),
            t.addEventListener("camera_changed", function(e) {
                e.viewport == t.mainViewport && n.update()
            }),
            n.mesh.layers.set(Potree.config.renderLayers.magnifier),
            n.overlayMesh.layers.set(Potree.config.renderLayers.magnifier),
            n.dontRender = !1,
            t.addEventListener("global_drag", function(e) {
                n.dontRender = !0
            }),
            t.addEventListener("global_drop", function(e) {
                n.dontRender = !1
            }),
            t.addEventListener("global_mouseup", function(e) {
                n.dontRender = !1
            });
            function o(e) {
                e.hoverViewport == t.mainViewport ? (t.updateVisible(g(n), "atViewport", !0),
                n.update(e.intersect && e.intersect.location)) : t.updateVisible(g(n), "atViewport", !1)
            }
            return t.addEventListener("global_mousemove", o),
            t.addEventListener("global_touchstart", o),
            n.addEventListener("setEnable", function(e) {
                t.updateVisible(g(n), "enable", e.value)
            }),
            Potree.settings.isOfficial ? t.updateVisible(g(n), "enable", !1) : (t.updateVisible(g(n), "measure", !1),
            t.addEventListener("measureMovePoint", function() {
                t.updateVisible(g(n), "measure", !0)
            }),
            t.addEventListener("endMeasureMove", function() {
                t.updateVisible(g(n), "measure", !1)
            })),
            t.scene.view.addEventListener("flyingDone", function() {
                var e;
                n.visible && (e = t.inputHandler.getIntersect(t.mainViewport, t.mainViewport.camera, !0, 100),
                n.update(e && e.location))
            }),
            n
        }
        return h(l, [{
            key: "update",
            value: function(e) {
                var t, n, i, r, a, o = this.dontRender || !(e instanceof Cn) || "showPanos" == Potree.settings.displayMode && viewer.images360.flying;
                (e = e instanceof Cn ? e : this.aimPos) && this.visible && (a = (n = (t = viewer.scene.getActiveCamera()).position).distanceTo(e),
                i = (new Cn).subVectors(n, e).normalize(),
                r = 1 < a ? 1 : a / 2,
                this.camera.position.copy(e).add(i.multiplyScalar(r)),
                this.camera.lookAt(e),
                this.camera.fov = t.fov / 2,
                this.camera.updateProjectionMatrix(),
                r = (r = Potree.Utils.getPos2d(e, t, viewer.renderArea, viewer.mainViewport).vector).clone().setY(r.y + (.4 < r.y ? -.4 : .4)),
                r = new Cn(r.x,r.y,.8).unproject(t).clone().sub(n).normalize().multiplyScalar(10),
                a = 1 < a ? 1 : +a,
                this.position.copy(n.clone().add(r)),
                this.quaternion.copy(t.quaternion),
                this.targetPoint.position.copy(e),
                this.targetPoint.scale.set(a, a, a),
                this.aimPos = e,
                e = Up.getScaleForConstantSize({
                    width2d: J1,
                    camera: viewer.scene.getActiveCamera(),
                    position: this.getWorldPosition(new Cn),
                    resolution: viewer.mainViewport.resolution2
                }),
                this.scale.set(e, e, e),
                o || (this.waitRender = !0))
            }
        }, {
            key: "render",
            value: function() {
                this.waitRender && (viewer.render({
                    target: this.renderTarget,
                    viewports: [this.viewport],
                    camera: this.camera,
                    magnifier: !0,
                    rtEDL: this.rtEDL
                }),
                this.waitRender = !1)
            }
        }]),
        l
    }(), ob = new _c, sb = function() {
        y(r, Hr);
        var i = w(r);
        function r(e) {
            O(this, r);
            var t, n = ob.load(Potree.resourcePath + "/textures/whiteCircle.png");
            return (t = i.call(this, new ua(.11,.11,1,1), new $i({
                side: Y,
                map: n,
                transparent: !0,
                depthTest: !1,
                opacity: .7
            }))).name = "reticule",
            t.defaultTex = n,
            t.crosshairTex = ob.load(Potree.resourcePath + "/textures/reticule_cross_hair.png"),
            t.forbitTex = ob.load(Potree.resourcePath + "/textures/pic-forbid.png"),
            t.renderOrder = 100,
            t.layers.set(Potree.config.renderLayers.marker),
            t.direction = new Cn,
            t.mouseLastMoveTime = Date.now(),
            t.hoverViewport,
            t.matrixMap = new Map,
            t.matrixAutoUpdate = !1,
            t.hide(0),
            Potree.settings.intersectWhenHover && e.addEventListener("global_mousemove", t.move.bind(g(t))),
            e.addEventListener("global_mousedown", t.move.bind(g(t))),
            t.state = {},
            e.addEventListener("measureMovePoint", function() {
                t.state.cross = !0,
                t.judgeTex()
            }),
            e.addEventListener("endMeasureMove", function() {
                t.state.cross = !1,
                t.judgeTex()
            }),
            e.addEventListener("reticule_forbit", function(e) {
                t.state.forbit != e.v && console.log("change forbit ", e.v),
                t.state.forbit = e.v,
                t.judgeTex()
            }),
            e.setObjectLayers(g(t), "sceneObjects"),
            t
        }
        return h(r, [{
            key: "judgeTex",
            value: function() {
                this.state.forbit ? this.material.map = this.forbitTex : this.state.cross ? this.material.map = this.crosshairTex : this.material.map = this.defaultTex,
                viewer.mapViewer && viewer.mapViewer.dispatchEvent({
                    type: "content_changed"
                })
            }
        }, {
            key: "move",
            value: function(e) {
                "global_mousemove" == e.type && (e.isTouch || e.buttons != rm.NONE) && "crosshair" != this.state || (this.mouseLastMoveTime = Date.now(),
                this.updatePosition(e.intersect, e.hoverViewport))
            }
        }, {
            key: "hide",
            value: function() {
                var e = this
                  , t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 500;
                this.hidden || (this.hidden = !0,
                gv.start(vv(this.material, "opacity", 0), t),
                this.dispatchEvent({
                    type: "update",
                    visible: !1
                }),
                setTimeout(function() {
                    e.dispatchEvent({
                        type: "update",
                        visible: !1
                    })
                }, t))
            }
        }, {
            key: "show",
            value: function() {
                var e = this
                  , t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 300;
                viewer.getObjVisiByReason(this, "force") && (this.hidden = !1,
                this.material.opacity <= 0 && (gv.start(vv(this.material, "opacity", .7), t),
                this.dispatchEvent({
                    type: "update",
                    visible: !0
                }),
                setTimeout(function() {
                    e.dispatchEvent({
                        type: "update",
                        visible: !1
                    })
                }, t)))
            }
        }, {
            key: "updateVisible",
            value: function() {
                1500 < Date.now() - this.mouseLastMoveTime && !this.hidden && this.hide()
            }
        }, {
            key: "updateScale",
            value: function(e) {
                var t, n = e.camera;
                "OrthographicCamera" == n.type ? (t = this.state.cross ? {
                    width2d: 500
                } : {
                    minSize: 100,
                    maxSize: 400,
                    nearBound: 100,
                    farBound: 700
                },
                t = Up.getScaleForConstantSize($.extend(t, {
                    position: this.position,
                    camera: n,
                    resolution: e.resolution
                }))) : (t = 1 + .1 * (n = n.position.distanceTo(this.position)),
                n < 1 && (t -= 1 - n)),
                this.scale.set(t, t, t)
            }
        }, {
            key: "updateAtViewports",
            value: function(e) {
                var t;
                "magnifier" != e.name && (this.hoverViewport && "mapViewport" == this.hoverViewport.name && e != this.hoverViewport ? viewer.updateVisible(this, "hoverMap", !1) : (viewer.updateVisible(this, "hoverMap", !0),
                (t = this.matrixMap.get(e)) ? this.matrix.copy(t) : (this.updateScale(e),
                this.updateMatrix(),
                this.matrixMap.set(e, this.matrix.clone()))))
            }
        }, {
            key: "updatePosition",
            value: function(e, t) {
                var n, i, r;
                viewer.getObjVisiByReason(this, "force") && e && (n = !e.location,
                i = e.location || e.orthoIntersect.clone(),
                this.show(n ? 0 : 300),
                n ? (r = new Cn(0,0,1),
                i.setZ(0),
                this.direction = r.clone()) : (r = e.normal) && (this.direction = this.direction.multiplyScalar(.8),
                this.direction.add(r.clone().multiplyScalar(.2))),
                this.position.copy(i),
                this.updateMatrix(),
                this.lookAt(this.position.clone().add(this.direction)),
                this.hoverViewport = t,
                this.updateScale(t),
                this.updateMatrix(),
                this.matrixMap.clear(),
                this.matrixMap.set(t, this.matrix.clone()),
                this.dispatchEvent({
                    type: "update"
                }))
            }
        }]),
        r
    }(), lb = ["", "⅛", "¼", "⅜", "½", "⅝", "¾", "⅞"], ub = function() {
        function r(e, t, n, i) {
            O(this, r),
            this.name = e,
            this.symbol = t,
            this.base = n,
            this.factor = i
        }
        return h(r, [{
            key: "toBase",
            value: function(e) {
                return e * this.factor
            }
        }, {
            key: "fromBase",
            value: function(e) {
                return e / this.factor
            }
        }]),
        r
    }(), cb = {
        MILLIMETER: ["Millimeter", "mm"],
        CENTIMETER: ["Centimeter", "cm"],
        METER: ["Meter", "m"],
        KILOMETER: ["Kilometer", "km"],
        INCH: ["Inch", "in"],
        FOOT: ["Foot", "ft"],
        MILE: ["Mile", "mi"],
        SQUAREMETER: ["SquareMeter", "m²"],
        SQUAREFOOT: ["SquareFoot", "ft²"],
        CUBICMETER: ["CubicMeter", "m³"],
        CUBICFOOT: ["CubicFoot", "ft³"],
        BYTE: ["Byte", "B"],
        KILOBYTE: ["Kilobyte", "kB"],
        MEGABYTE: ["Megabyte", "MB"],
        GIGABYTE: ["Gigabyte", "GB"],
        TERABYTE: ["Terabyte", "TB"],
        PETABYTE: ["Petabyte", "PB"],
        init: function() {
            var e, t, n = new ub(cb.METER[0],cb.METER[1],void 0,1), i = new ub(cb.SQUAREMETER[0],cb.SQUAREMETER[1],void 0,1), r = new ub(cb.CUBICMETER[0],cb.CUBICMETER[1],void 0,1), a = new ub(cb.BYTE[0],cb.BYTE[1],void 0,1);
            cb.DISTANCE = ((t = {}).metric = ((e = {})[cb.MILLIMETER[0]] = new ub(cb.MILLIMETER[0],cb.MILLIMETER[1],n,.001),
            e[cb.CENTIMETER[0]] = new ub(cb.CENTIMETER[0],cb.CENTIMETER[1],n,.01),
            e[cb.METER[0]] = n,
            e[cb.KILOMETER[0]] = new ub(cb.KILOMETER[0],cb.KILOMETER[1],n,1e3),
            e),
            t.imperial = ((e = {})[cb.INCH[0]] = new ub(cb.INCH[0],cb.INCH[1],n,.0254),
            e[cb.FOOT[0]] = new ub(cb.FOOT[0],cb.FOOT[1],n,.3048),
            e[cb.MILE[0]] = new ub(cb.MILE[0],cb.MILE[1],n,1609.344),
            e),
            t),
            cb.AREA = ((e = {}).metric = ((t = {})[cb.SQUAREMETER[0]] = i,
            t),
            e.imperial = ((t = {})[cb.SQUAREFOOT[0]] = new ub(cb.SQUAREFOOT[0],cb.SQUAREFOOT[1],i,.092903),
            t),
            e),
            cb.VOLUME = ((t = {}).metric = ((e = {})[cb.CUBICMETER[0]] = r,
            e),
            t.imperial = ((e = {})[cb.CUBICFOOT[0]] = new ub(cb.CUBICFOOT[0],cb.CUBICFOOT[1],r,.0283168),
            e),
            t);
            (t = {})[cb.BYTE[0]] = a,
            t[cb.KILOBYTE[0]] = new ub(cb.KILOBYTE[0],cb.KILOBYTE[1],a,1e3),
            t[cb.MEGABYTE[0]] = new ub(cb.MEGABYTE[0],cb.MEGABYTE[1],a,1e6),
            t[cb.GIGABYTE[0]] = new ub(cb.GIGABYTE[0],cb.GIGABYTE[1],a,1e9),
            t[cb.TERABYTE[0]] = new ub(cb.TERABYTE[0],cb.TERABYTE[1],a,1e12),
            t[cb.PETABYTE[0]] = new ub(cb.PETABYTE[0],cb.PETABYTE[1],a,1e15),
            a = t;
            cb.DATA = ((t = {}).metric = a,
            t.imperial = a,
            t)
        },
        getUnitsOfMeasurementByDomain: function(e) {
            return this[e.toUpperCase()]
        },
        getUnitsOfMeasurementByDomainAndSystem: function(e, t) {
            e = this.getUnitsOfMeasurementByDomain(e);
            if (e.hasOwnProperty(t.toLowerCase()))
                return e[t.toLowerCase()];
            console.error(n + " measurement system is not supported.")
        },
        getDefaultUnitByDomainAndSystem: function(e, t) {
            switch (e.toUpperCase()) {
            case "DISTANCE":
                switch (t.toLowerCase()) {
                case "metric":
                    return this.DISTANCE.metric[this.METER[0]];
                case "imperial":
                    return this.DISTANCE.imperial[this.FOOT[0]];
                default:
                    console.error(t + " measurement system is not supported.")
                }
            case "AREA":
                switch (t.toLowerCase()) {
                case "metric":
                    return this.AREA.metric[this.SQUAREMETER[0]];
                case "imperial":
                    return this.AREA.imperial[this.SQUAREFOOT[0]];
                default:
                    console.error(t + " measurement system is not supported.")
                }
            case "VOLUME":
                switch (t.toLowerCase()) {
                case "metric":
                    return this.VOLUME.metric[this.CUBICMETER[0]];
                case "imperial":
                    return this.VOLUME.imperial[this.CUBICFOOT[0]];
                default:
                    console.error(t + " measurement system is not supported.")
                }
            case "DATA":
                switch (t.toLowerCase()) {
                case "metric":
                    return this.DATA.metric[this.BYTE[0]];
                case "imperial":
                    return this.DATA.imperial[this.BYTE[0]];
                default:
                    console.error(t + " measurement system is not supported.")
                }
            default:
                console.error(e + " measurement domain is not supported.")
            }
        }
    }, db = h(function e() {
        O(this, e),
        this.LOCAL_STORAGE_KEY = "iv_unit_key",
        cb.init(),
        this.unitSystems = ["metric", "imperial"],
        this.defaultSystem = "metric"
    }), hb = function() {
        function e() {
            O(this, e),
            this.UnitService = new db
        }
        return h(e, [{
            key: "scopedConvert",
            value: function(e, t) {
                return this.convert(e, t, 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 2, 3 < arguments.length ? arguments[3] : void 0, 4 < arguments.length ? arguments[4] : void 0)
            }
        }, {
            key: "convert",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 2
                  , i = 3 < arguments.length ? arguments[3] : void 0
                  , r = 4 < arguments.length ? arguments[4] : void 0
                  , a = 5 < arguments.length && void 0 !== arguments[5] && arguments[5];
                if (!e)
                    return "";
                r = this.getMostRelevantMeasurement(t, i || this.UnitService.currentSystem, e, r);
                return this.getFormattedMeasurementString(r[0], r[1], n, a)
            }
        }, {
            key: "convertBack",
            value: function(e, t) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 2
                  , i = 3 < arguments.length ? arguments[3] : void 0
                  , r = 4 < arguments.length ? arguments[4] : void 0;
                if (!e)
                    return "";
                var a = cb.getDefaultUnitByDomainAndSystem(t, "metric")
                  , r = this.getMostRelevantMeasurement2(t, i, e, r);
                return this.getFormattedMeasurementString(r[0], a, n)
            }
        }, {
            key: "getFormattedMeasurementString",
            value: function(e, t, n, i) {
                t = i && t.name === cb.FOOT[0] ? this.formatImperialDistance(12 * e) : i && t.name === cb.INCH[0] ? this.formatImperialDistance(e) : e.toLocaleString(void 0, {
                    minimumFractionDigits: n,
                    maximumFractionDigits: n
                }) + " " + t.symbol;
                return t
            }
        }, {
            key: "formatImperialDistance",
            value: function(e) {
                var t = Math.round(8 * e)
                  , n = Math.floor(t / 8)
                  , e = Math.floor(n / 12)
                  , n = n - 12 * e
                  , t = lb[t % 8]
                  , n = 0 == n && "" !== t ? "" : n;
                return "" !== n && "" !== t && (t = " " + t),
                0 !== e ? e + "' " + n + t + '"' : "" + n + t + '"'
            }
        }, {
            key: "getMostRelevantMeasurement",
            value: function(e, t, n) {
                var i, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0, a = [], o = cb.getUnitsOfMeasurementByDomainAndSystem(e, t);
                for (i in o)
                    a.push(o[i]);
                t = a.filter(function(e) {
                    return e.factor >= r
                }).reduce(function(e, t) {
                    return t.fromBase(n) < e.fromBase(n) && 1 <= t.fromBase(n) ? t : e
                });
                return t ? [t.fromBase(n), t] : void 0
            }
        }, {
            key: "getMostRelevantMeasurement2",
            value: function(e, t, n) {
                var i, r = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0, a = [], o = cb.getUnitsOfMeasurementByDomainAndSystem(e, t);
                for (i in o)
                    a.push(o[i]);
                t = a.filter(function(e) {
                    return e.factor >= r
                }).reduce(function(e, t) {
                    return t.toBase(n) < e.toBase(n) && 1 <= t.toBase(n) ? t : e
                });
                return t ? [t.toBase(n), t] : void 0
            }
        }]),
        e
    }(), pb = new _c, fb = new ua(1,1), mb = {
        nearBound: 2,
        scale: .5,
        restricMeshScale: !0
    }, vb = function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).route = [],
            e.curve = [],
            e.scenePoints = [],
            e.sceneMeshGroup = new Si,
            e.mapMeshGroup = new Si,
            e.generateDeferred,
            viewer.addEventListener("loadPointCloudDone", e.init.bind(g(e))),
            e.lastResult,
            e.datasetIds = [],
            e
        }
        return h(n, [{
            key: "init",
            value: function() {
                var n, e, i = this;
                this.inited || (viewer.mapViewer.addEventListener("camera_changed", function(e) {
                    var t;
                    i.routeStart && i.routeEnd && (t = e.viewport.camera,
                    Fm.intervalTool.isWaiting("routeCameraInterval", function() {
                        if (t.zoom != n)
                            return i.updateMapArrows(!0),
                            n = t.zoom,
                            !0
                    }, A.isMobile() ? 500 : 200))
                }),
                viewer.addEventListener("camera_changed", function(e) {
                    i.routeStart && i.routeEnd && e.changeInfo.positionChanged && Fm.intervalTool.isWaiting("routeCameraInterval", function() {
                        return i.updateArrowDisplay(),
                        !0
                    }, 1e3)
                }),
                (e = {
                    shadowMat: new $i({
                        transparent: !0,
                        depthTest: !1,
                        map: pb.load(Potree.resourcePath + "/textures/pano_instruction_bottomMarker.png")
                    }),
                    sphereMat: new $i({
                        transparent: !0,
                        depthTest: !1,
                        map: pb.load(Potree.resourcePath + "/textures/whiteCircle.png")
                    }),
                    hatMats: {
                        start: new $i({
                            transparent: !0,
                            depthTest: !1,
                            map: pb.load(Potree.resourcePath + "/textures/pano_instruction_start_route.png")
                        }),
                        end: new $i({
                            transparent: !0,
                            depthTest: !1,
                            map: pb.load(Potree.resourcePath + "/textures/pano_instruction_target_reached.png")
                        })
                    }
                }).shadowMat.map.anisotropy = 4,
                this.poleStart = this.createPole(e, "start"),
                this.poleEnd = this.createPole(e, "end"),
                this.sceneMeshGroup.add(this.poleStart),
                this.sceneMeshGroup.add(this.poleEnd),
                (e = pb.load(Potree.resourcePath + "/textures/routePoint_panorama.png")).anisotropy = 4,
                this.arrow = new Hr(fb,new $i({
                    transparent: !0,
                    depthTest: !1,
                    map: e
                })),
                this.arrow.scale.set(.5, .5, .5),
                viewer.setObjectLayers(this.arrow, "sceneObjects"),
                this.arrows = new Si,
                this.sceneMeshGroup.add(this.arrows),
                viewer.setObjectLayers(this.sceneMeshGroup, "sceneObjects"),
                viewer.scene.scene.add(this.sceneMeshGroup),
                this.sceneMeshGroup.visible = !1,
                e = pb.load(Potree.resourcePath + "/textures/routePoint_map_fsna.png"),
                this.mapArrowMats = {
                    default: new $i({
                        transparent: !0,
                        depthTest: !1,
                        map: e
                    }),
                    fade: new $i({
                        transparent: !0,
                        depthTest: !1,
                        map: e,
                        opacity: .4
                    })
                },
                this.mapArrow = new Hr(fb,this.mapArrowMats.default),
                this.mapArrow.scale.set(.5, .5, .5),
                this.mapArrows = new Si,
                this.mapArrows.name = "mapArrows",
                this.mapMeshGroup.add(this.mapArrows),
                this.mapMeshGroup.name = "mapRouteLayer",
                this.mapMeshGroup.visible = !1,
                viewer.mapViewer.dispatchEvent({
                    type: "add",
                    object: this.mapMeshGroup,
                    name: "route"
                }),
                this.mapArrow.layers.mask = this.mapArrows.layers.mask,
                viewer.modules.SiteModel.bus.addEventListener("FloorChange", function() {
                    i.routeStart && i.routeEnd && i.updateOpacityAtMap()
                }),
                this.inited = !0)
            }
        }, {
            key: "updateOpacityAtMap",
            value: function() {
                var n = this
                  , i = viewer.modules.SiteModel.currentFloor;
                this.mapArrows.children.forEach(function(e, t) {
                    t = n.mapPoints[t].clone();
                    t.z += .3;
                    t = i && i.ifContainsPoint(t);
                    e.material = t ? n.mapArrowMats.default : n.mapArrowMats.fade
                }),
                viewer.mapViewer.dispatchEvent("content_changed")
            }
        }, {
            key: "createPole",
            value: function(e, t) {
                var n = mb.scale
                  , i = new Si;
                i.name = "pole_" + t;
                var r = new Hr(fb,e.shadowMat);
                r.scale.set(n, n, n);
                i.add(r);
                for (var a = 0; a < 6; a++) {
                    var o = new qp({
                        mat: e.sphereMat
                    });
                    o.position.set(0, 0, 1.5 / 7 * (a + 1)),
                    o.scale.set(.04, .04, .04),
                    o.visible = !1,
                    i.add(o)
                }
                t = new qp({
                    mat: e.hatMats[t],
                    sizeInfo: mb
                });
                return o.visible = !1,
                t.position.set(0, 0, 1.5),
                t.scale.copy(r.scale),
                i.add(t),
                i
            }
        }, {
            key: "addTestArrow",
            value: function() {}
        }, {
            key: "addArrow",
            value: function(e) {
                var t = this.arrow.clone();
                t.position.copy(e),
                this.arrows.add(t)
            }
        }, {
            key: "addMapArrow",
            value: function(e) {
                var t = this.mapArrow.clone();
                t.position.copy(e).setZ(0),
                this.mapArrows.add(t)
            }
        }, {
            key: "setArrowDir",
            value: function(e, t) {
                var n = e[t]
                  , t = e[t + 1]
                  , t = t ? t.position : this.endPolePos
                  , t = (new Cn).subVectors(n.position, t).setZ(0)
                  , t = Math.atan2(t.y, t.x) + Math.PI / 2;
                n.rotation.z = t
            }
        }, {
            key: "setRouteStart",
            value: function(e, t, n) {
                this.routeStart && e && this.routeStart.equals(e) || (this.routeStart = e && (new Cn).copy(e),
                t && this.routeStart && (this.routeStart.setZ(this.getZAtMap()),
                this.bus && this.bus.emit("reposStartMarker", this.routeStart)),
                console.log("setRouteStart", this.routeStart && this.routeStart.toArray()),
                this.datasetIds[0] = n,
                this.generateRoute())
            }
        }, {
            key: "setStartPole",
            value: function(e) {
                this.startPolePos = e,
                this.bus && this.bus.emit("reposStartMarker", e)
            }
        }, {
            key: "setRouteEnd",
            value: function(e, t, n) {
                this.routeEnd && e && this.routeEnd.equals(e) || (this.routeEnd = e && (new Cn).copy(e),
                t && this.routeEnd && (this.routeEnd.setZ(this.getZAtMap()),
                this.bus && this.bus.emit("reposEndMarker", this.routeEnd)),
                console.log("setRouteEnd", this.routeEnd && this.routeEnd.toArray()),
                this.datasetIds[1] = n,
                this.generateRoute())
            }
        }, {
            key: "getZAtMap",
            value: function() {
                var e = Fm.sortByScore(viewer.images360.panos, [], [function(e) {
                    return -Math.abs(e.position.z - viewer.images360.position.z)
                }
                ])
                  , e = e && e[0] && e[0].item;
                return e ? e.floorPosition.z : viewer.bound.boundingBox.min.z + 1
            }
        }, {
            key: "setEndPole",
            value: function(e) {
                this.endPolePos = e,
                this.bus && this.bus.emit("reposEndMarker", e)
            }
        }, {
            key: "getSourceProjectionIndex",
            value: function(e) {
                e = e.findIndex(function(e) {
                    return e.instruction && "source_projection_to_navgraph" === e.instruction.type
                });
                return e < 0 ? 0 : e
            }
        }, {
            key: "getDestinationProjectionIndex",
            value: function(e) {
                var t = e.findIndex(function(e) {
                    return e.instruction && "destination_projection_to_navgraph" === e.instruction.type
                });
                return t < 0 ? e.length - 1 : t
            }
        }, {
            key: "generateRoute",
            value: function() {
                var a = this;
                if (this.routeStart && this.routeEnd) {
                    var i = function() {
                        a.routeLength = a.route.reduce(function(e, t, n, i) {
                            return 0 == n ? 0 : e + t.distanceTo(i[n - 1])
                        }, 0);
                        var e = Math.max(2, Math.round(+a.routeLength))
                          , t = new Bc(a.route);
                        t.curveType = "chordal";
                        var n = (a.curve = t).getSpacedPoints(e);
                        n.splice(0, 1),
                        n.pop(),
                        a.scenePoints = n,
                        a.updateMapArrows(),
                        a.displayRoute();
                        var i = new yn(1,1)
                          , r = new ph;
                        a.route.forEach(function(e) {
                            r.expandByPoint(e)
                        });
                        t = r.getSize(new yn),
                        e = new yn(115,40),
                        n = viewer.mapViewer.viewports[0].resolution2,
                        n = n.x * n.y;
                        32e4 < n && e.multiplyScalar(n / 32e4);
                        e = t.clone().divide(viewer.mapViewer.viewports[0].resolution2).multiply(e);
                        t.add(e);
                        e = r.getCenter(new yn);
                        t.x = Math.max(t.x, i.x),
                        t.y = Math.max(t.y, i.y);
                        viewer.mapViewer.moveTo(e, t, 1e3),
                        a.bus.emit("gotResult", {
                            dis: a.routeLength
                        })
                    };
                    if (Potree.fileServer) {
                        var t = function(e) {
                            if (!e.data)
                                return console.log("没有数据"),
                                t = e && 4002 == e.code ? e : a.routeStart.distanceTo(a.routeEnd) < 1 ? {
                                    code: 500,
                                    msg: "距离太短，无法规划路线"
                                } : {
                                    code: 500,
                                    msg: "超出数据集范围，无法规划路线"
                                },
                                a.clearRoute(),
                                a.setStartPole(a.routeStart),
                                a.setEndPole(a.routeEnd),
                                a.displayRoute(),
                                void (a.bus && a.bus.emit("gotResult", t));
                            e = e.data,
                            a.clearRoute();
                            var t, n = e.length;
                            n < 2 ? (console.log("路径点数为" + n + "，直接取起点和终点连线"),
                            a.route = [a.routeStart, a.routeEnd]) : (t = a.getSourceProjectionIndex(e),
                            n = a.getDestinationProjectionIndex(e),
                            e.slice(t, n + 1).forEach(function(e, t) {
                                e = viewer.transform.lonlatToLocal.forward(e.location.slice(0)),
                                e = (new Cn).fromArray(e);
                                a.route.push(e)
                            }),
                            console.log(a.route)),
                            a.setStartPole(a.route[0]),
                            a.setEndPole(a.route[a.route.length - 1]),
                            i()
                        };
                        if (this.lastResult && (this.lastResult.data || 4002 != this.lastResult.data.code)) {
                            var e = Fm.CloneObject(this.lastResult.data);
                            if (this.lastResult.routeStart.equals(this.routeStart) && this.lastResult.routeEnd.equals(this.routeEnd) ? l = !0 : this.lastResult.routeStart.equals(this.routeEnd) && this.lastResult.routeEnd.equals(this.routeStart) && (l = !0,
                            e.data && (e.data = this.lastResult.data.data.slice(0).reverse())),
                            l)
                                return console.log("直接用上次的结果"),
                                setTimeout(function() {
                                    t(e)
                                }, 1)
                        }
                        var n, r = this.routeStart.clone(), o = this.routeEnd.clone(), s = viewer.transform.lonlatToLocal.inverse(r), l = viewer.transform.lonlatToLocal.inverse(o), u = {
                            source_longitude: s.x,
                            source_latitude: s.y,
                            source_z: r.z,
                            destination_longitude: l.x,
                            destination_latitude: l.y,
                            destination_z: o.z
                        }, c = "/laser/route/".concat(Potree.settings.number, "/getRoute/").concat(Potree.settings.originDatasetId, "?");
                        for (n in u)
                            c += n + "=" + u[n] + "&";
                        Potree.fileServer.get(c).then(function(e) {
                            console.log(e.data),
                            a.routeStart && a.routeEnd && (a.lastResult = {
                                routeStart: a.routeStart.clone(),
                                routeEnd: a.routeEnd.clone(),
                                data: e
                            },
                            t(e))
                        })
                    } else
                        this.clearRoute(),
                        this.route = [this.routeStart, this.routeEnd],
                        i()
                }
            }
        }, {
            key: "updateMapArrows",
            value: function(e) {
                var t, n;
                0 != this.route.length && (n = viewer.mapViewer.camera.zoom,
                (t = Math.max(2, Math.round(this.routeLength * n / 25))) != this.mapPoints.length + 1 && ((t = this.curve.getSpacedPoints(t)).splice(0, 1),
                t.pop(),
                this.mapPoints = t,
                this.mapArrow.scale.set(.6 * (n = 25 / n), .6 * n, .6 * n),
                e && (this.clearRoute({
                    resetMap: !0
                }),
                this.displayRoute({
                    resetMap: !0
                })),
                this.updateOpacityAtMap()))
            }
        }, {
            key: "updateArrowDisplay",
            value: function() {
                var n;
                0 != this.scenePoints.length && (n = viewer.scene.getActiveCamera().position,
                this.arrows.children.forEach(function(e, t) {
                    e.position.distanceTo(n) < 10 ? e.visible = !0 : e.visible = !1
                }))
            }
        }, {
            key: "displayRoute",
            value: function() {
                var n = this;
                (0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}).resetMap || (this.poleStart.position.copy(this.startPolePos || this.routeStart),
                this.poleEnd.position.copy(this.endPolePos || this.routeEnd),
                this.scenePoints.forEach(function(e) {
                    return n.addArrow(e)
                }),
                this.arrows.children.forEach(function(e, t) {
                    return n.setArrowDir(n.arrows.children, t)
                })),
                this.sceneMeshGroup.traverse(function(e) {
                    return e.visible = !0
                }),
                this.mapMeshGroup.visible = !0,
                this.mapPoints.forEach(function(e) {
                    return n.addMapArrow(e)
                }),
                this.mapArrows.children.forEach(function(e, t) {
                    return n.setArrowDir(n.mapArrows.children, t)
                }),
                viewer.mapViewer.dispatchEvent({
                    type: "content_changed"
                }),
                this.updateArrowDisplay()
            }
        }, {
            key: "clearRoute",
            value: function() {
                var t = this;
                (0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}).resetMap || (this.routeLength = 0,
                this.route = [],
                this.scenePoints = [],
                this.mapPoints = [],
                this.arrows.children.slice(0).forEach(function(e) {
                    t.arrows.remove(e)
                })),
                this.mapArrows.children.slice(0).forEach(function(e) {
                    t.mapArrows.remove(e)
                }),
                this.sceneMeshGroup.traverse(function(e) {
                    return e.visible = !1
                }),
                this.mapMeshGroup.visible = !1,
                viewer.mapViewer.dispatchEvent({
                    type: "content_changed"
                })
            }
        }, {
            key: "clear",
            value: function() {
                console.log("导航clear"),
                this.routeStart = null,
                this.routeEnd = null,
                this.clearRoute()
            }
        }]),
        n
    }(), gb = (new Wr(1,1,1,1),
    new $i({
        wireframe: !0,
        color: "#ffffff"
    }),
    function() {
        y(o, gl);
        var a = w(o);
        function o(e) {
            var t, n;
            for (n in O(this, o),
            t = a.call(this),
            e)
                t[n] = e[n];
            t.strength = t.strength || 1,
            t.radius = e.radius || 1,
            t.height = e.height || 5,
            t.computeParams(),
            t.geometry = t.createGeometry(t.radius, t.height, t.particleCount),
            null == t.color && (t.color = 16724480),
            t.createMaterial(),
            t.velocity = new Cn,
            t.acceleration = new Cn,
            t.angle = 0,
            t.angleVelocity = 0,
            t.angleAcceleration = 0,
            t.size = 16,
            t.opacity = 1,
            t.age = 0,
            t.alive = 0,
            t.sizeTween = null,
            t.colorTween = null,
            t.opacityTween = null,
            t.setSize({
                viewport: viewer.mainViewport
            }),
            t.setFov(viewer.fov);
            function i(e) {
                "MainView" == e.viewport.name && t.setSize(e)
            }
            function r(e) {
                t.setFov(e.fov)
            }
            return viewer.addEventListener("resize", i),
            viewer.addEventListener("fov_changed", r),
            t.addEventListener("dispose", function() {
                viewer.removeEventListener("resize", i),
                viewer.removeEventListener("fov_changed", r)
            }),
            t
        }
        return h(o, [{
            key: "computeParams",
            value: function() {
                var e = (this.curve ? this.curve.wholeLength : 0) + 2 * this.radius;
                this.size = .3 + 2.7 * gn.smoothstep(this.radius, .3, 10),
                this.particleCount = Math.ceil(e * Math.sqrt(this.strength * this.height) * this.radius / (this.size * this.size) * 25)
            }
        }, {
            key: "getPointsForBound",
            value: function() {
                return this.boundPoints
            }
        }, {
            key: "getBound",
            value: function(e) {
                var n = this;
                this.boundPoints = [];
                var i = new kn
                  , t = .13 * this.size + .3;
                e.forEach(function(e) {
                    var t = e.clone();
                    t.z += n.height,
                    i.expandByPoint(e),
                    i.expandByPoint(t),
                    n.boundPoints.push(e, t)
                });
                e = this.radius + t;
                i.expandByVector(new Cn(e,e,t)),
                this.boundingBox = i
            }
        }, {
            key: "createGeometry",
            value: function(e, t, n) {
                var i, r, a = new Mr;
                1 < this.positions.length ? (i = Math.ceil(this.curve.wholeLength / .2) + 1,
                i = (r = this.curve.getSpacedPoints(i)).length,
                this.getBound(r)) : this.getBound(this.positions);
                for (var o = new Float32Array(3 * n), s = new Float32Array(n), l = new Float32Array(n), u = new Float32Array(n), c = 0; c < n; c++) {
                    var d, h, p = (new Cn).copy(1 < this.positions.length ? r[Math.floor(c / n * i)] : this.positions[0]);
                    u[c] = p.z,
                    0 === c ? (o[3 * c + 0] = p.x,
                    o[3 * c + 1] = p.y,
                    o[3 * c + 2] = p.z) : (d = Math.sqrt(Math.random()) * e,
                    h = 2 * Math.random() * Math.PI,
                    o[3 * c + 0] = p.x + Math.cos(h) * d,
                    o[3 * c + 1] = p.y + Math.sin(h) * d,
                    o[3 * c + 2] = p.z + (e - d) / e * t / 2 + t / 2,
                    l[c] = .25 * (4 * Math.random() | 0),
                    s[c] = Math.random())
                }
                return a.setAttribute("centerHeight", new nr(u,1)),
                a.setAttribute("position", new nr(o,3)),
                a.setAttribute("randam", new nr(s,1)),
                a.setAttribute("sprite", new nr(l,1)),
                a
            }
        }, {
            key: "updateGeometry",
            value: function() {
                this.computeParams(),
                this.geometry.dispose(),
                this.geometry = this.createGeometry(this.radius, this.height, this.particleCount),
                this.material.uniforms.size.value = this.size
            }
        }, {
            key: "createMaterial",
            value: function() {
                var e = new Qr({
                    uniforms: {
                        color: {
                            type: "c",
                            value: new Yi(this.color)
                        },
                        size: {
                            type: "f",
                            value: this.size
                        },
                        u_sampler: {
                            type: "t",
                            value: Q1 = Q1 || (new _c).load(Potree.resourcePath + "/textures/fire.png")
                        },
                        time: {
                            type: "f",
                            value: 0
                        },
                        heightOfNearPlane: {
                            type: "f",
                            value: 0
                        },
                        height: {
                            type: "f",
                            value: this.height
                        }
                    },
                    vertexShader: "\n    attribute float randam;\n    attribute float sprite;\n    attribute float centerHeight;  //add\n    \n    //uniform float fireHeight;  //add \n    uniform float time;\n    uniform float size;\n    uniform float heightOfNearPlane;\n    \n    \n    \n    \n    //varying float heightRatio;\n    varying float vSprite;\n    varying float vOpacity; \n    float PI = 3.14;\n\n    float quadraticIn( float t ) \n    { \n        float tt = t * t;\n        return tt * tt; \n        //变化曲线  越来越快\n    } \n    \n    void main() {\n        float progress = fract( time + ( 2.0 * randam - 1.0 ) );\n        float progressNeg = 1.0 - progress;\n        float ease = quadraticIn( progress );\n        float influence = sin( PI * ease );\n        //vec3 newPosition = position * vec3( 1.0,  1.0 , ease);\n        vec3 newPosition = position;\n        newPosition.z = (newPosition.z - centerHeight) * ease + centerHeight;\n         \n        gl_Position = projectionMatrix * modelViewMatrix * vec4( newPosition, 1.0 );\n        gl_PointSize = ( heightOfNearPlane * size ) / gl_Position.w;\n        vOpacity = min( influence * 4.0, 1.0 ) * progressNeg;\n        vSprite = sprite;\n        \n        //heightRatio = (newPosition.z - centerHeight) / fireHeight ;\n        \n    }\n",
                    fragmentShader: "\n    uniform vec3 color;\n    uniform sampler2D u_sampler;\n\n    varying float vSprite;\n    varying float vOpacity;\n    //varying float heightRatio;\n\n    void main() \n    {\n        \n       \n        vec2 texCoord = vec2(gl_PointCoord.x * 0.25 + vSprite, gl_PointCoord.y);\n         \n        gl_FragColor = vec4( texture2D( u_sampler, texCoord ).xyz * color * vOpacity, 1.0 );\n          \n         \n    }\n",
                    blending: ee,
                    depthTest: !0,
                    depthWrite: !1,
                    transparent: !0
                });
                this.material = e,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setSize",
            value: function(e) {
                e = e.viewport;
                this.screenHeight = e.resolution.y,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setFov",
            value: function(e) {
                this.fov = e,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setPerspective",
            value: function(e, t) {
                e = Math.abs(t / (2 * Math.tan(gn.degToRad(.5 * e))));
                this.material.uniforms.heightOfNearPlane.value = e
            }
        }, {
            key: "update",
            value: function(e) {
                viewer.getObjVisiByReason(this, "force") && (Potree.Utils.isInsideFrustum(this.boundingBox, viewer.scene.getActiveCamera()) ? (viewer.updateVisible(this, "isInsideFrustum", !0),
                this.material.uniforms.time.value = (this.material.uniforms.time.value + (e *= 1)) % 1) : viewer.updateVisible(this, "isInsideFrustum", !1))
            }
        }, {
            key: "dispose",
            value: function() {
                this.geometry.dispose(),
                this.material.dispose(),
                this.dispatchEvent("dispose")
            }
        }]),
        o
    }()), yb = function() {
        function n(e, t) {
            O(this, n),
            this.times = e || [],
            this.values = t || []
        }
        return h(n, [{
            key: "lerp",
            value: function(e) {
                if (0 != this.times.length) {
                    for (var t = 0, n = this.times.length; t < n && e > this.times[t]; )
                        t++;
                    if (0 == t)
                        return this.values[0];
                    if (t == n)
                        return this.values[n - 1];
                    var i = (e - this.times[t - 1]) / (this.times[t] - this.times[t - 1]);
                    return this.values[0]instanceof Cn ? this.values[t - 1].clone().lerp(this.values[t], i) : this.values[t - 1] + i * (this.values[t] - this.values[t - 1])
                }
            }
        }, {
            key: "clone",
            value: function() {
                return Fm.CloneClassObject(this)
            }
        }]),
        n
    }(), wb = function() {
        function t() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            O(this, t),
            this.position = new Cn,
            this.velocity = new Cn,
            this.angle = 0,
            this.angleVelocity = 0,
            this.angleAcceleration = 0,
            this.size = 16,
            this.color = new Yi,
            this.opacity = 1,
            this.age = 0,
            this.alive = 0,
            this.lastChangeVage = 0,
            this.sizeTween = e.sizeTween || new yb([0, 1],[32, 128]),
            this.opacityTween = e.opacityTween || new yb([.8, 2],[.5, 0]),
            this.colorTween = e.colorTween || new yb([.4, 1],[new Cn(0,0,.2), new Cn(0,0,.5)])
        }
        return h(t, [{
            key: "update",
            value: function(e) {
                this.position.add(this.velocity.clone().multiplyScalar(e)),
                this.velocity.multiplyScalar(1 + this.acceleration * e),
                this.angle += .01745329251 * this.angleVelocity * e,
                this.angleVelocity += .01745329251 * this.angleAcceleration * e,
                this.age += e,
                0 < this.sizeTween.times.length && (this.size = this.sizeTween.lerp(this.age / this.deathAge)),
                0 < this.colorTween.times.length && (e = this.colorTween.lerp(this.age / this.deathAge),
                this.color = (new Yi).setHSL(e.x, e.y, e.z)),
                0 < this.opacityTween.times.length && (this.opacity = this.opacityTween.lerp(this.age / this.deathAge))
            }
        }]),
        t
    }(), bb = "\n    attribute vec3  customColor;\n    attribute float customOpacity;\n    attribute float customSize;\n    attribute float customAngle;\n    attribute float customVisible;  \n    uniform float heightOfNearPlane;\n    \n    \n    varying vec4  vColor;\n    varying float vAngle;\n    void main()\n    {\n        if ( customVisible > 0.5 ) \t\t\t\t\n            vColor = vec4( customColor, customOpacity ); \n        else\t\t\t\t\t\t\t\n            vColor = vec4(0.0, 0.0, 0.0, 0.0);\t\t\n            \n        vAngle = customAngle;\n\n        vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );\n        //gl_PointSize = customSize * ( 300.0 / length( mvPosition.xyz ) );     \n        gl_Position = projectionMatrix * mvPosition;\n        gl_PointSize = ( heightOfNearPlane * customSize ) / gl_Position.w;\n        \n        \n    }\n", xb = (Object.freeze({
        CUBE: 1,
        SPHERE: 2
    }),
    new Wr(1,1,1,1),
    new $i({
        wireframe: !0,
        color: "#ffffff"
    }),
    {
        positions: [],
        positionStyle: "sphere",
        positionBase: new Cn(0,0,0),
        positionSpread: new Cn(1,1,0),
        radius: 1,
        velocityStyle: "cube",
        velocityBase: new Cn(0,0,.5),
        velocitySpread: new Cn(1,1,.3),
        accelerationBase: .3,
        accelerationSpread: .6,
        speedBase: .1,
        speedSpread: .5,
        angleBase: 0,
        angleSpread: 360,
        angleVelocityBase: 1,
        angleVelocitySpread: 30,
        angleAccelerationBase: 1,
        angleAccelerationSpread: 5,
        sizeBase: 0,
        sizeSpread: 0,
        sizeTween: [[0, .3, 1], [.3, 1.4, 6]],
        colorBase: new Cn(0,1,.5),
        colorSpread: new Cn(0,0,0),
        colorTween: new yb([.2, 1],[new Cn(0,0,.4), new Cn(0,0,.1)]),
        opacityBase: .1,
        opacitySpread: .2,
        opacityTween: [[0, .1, .9, 1], [.1, .4, .03, 0]],
        strength: 1,
        particleDeathAge: 3,
        height: 3
    }), Eb = (new Hr(new Tu(.03,5,5),new $i({
        color: "white",
        depthTest: !1
    })),
    function() {
        y(s, gl);
        var o = w(s);
        function s() {
            var t, e, n = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            for (e in O(this, s),
            (t = o.call(this)).blendStyle = K,
            t.emitterAge = 0,
            n = $.extend({}, xb, n)) {
                var i = n[e];
                i instanceof Array && i[0]instanceof Array ? t[e] = B(yb, Q(i)) : t[e] = i instanceof Cn || i instanceof Yi ? i.clone() : i
            }
            t.defaultSizeTween = t.sizeTween.clone(),
            t.defaultOpacityTween = t.opacityTween.clone(),
            t.geometry = new Mr,
            t.computeParams(),
            t.createMaterial(),
            t.createGeometry(),
            t.dynamic = !0,
            t.sortParticles = !0,
            t.frustumCulled = !1,
            n.position && t.position.copy(n.position),
            t.setSize({
                viewport: viewer.mainViewport
            }),
            t.setFov(viewer.fov);
            function r(e) {
                "MainView" == e.viewport.name && t.setSize(e)
            }
            function a(e) {
                t.setFov(e.fov)
            }
            return viewer.addEventListener("resize", r),
            viewer.addEventListener("fov_changed", a),
            t.addEventListener("dispose", function() {
                viewer.removeEventListener("resize", r),
                viewer.removeEventListener("fov_changed", a)
            }),
            t
        }
        return h(s, [{
            key: "computeParams",
            value: function() {
                var e = (this.curve ? this.curve.wholeLength : 0) + 2 * this.radius;
                "cube" == this.positionStyle && this.positionSpread.set(this.radius, this.radius, 0),
                this.velocityBase.set(0, 0, (this.height - .5 * this.accelerationBase * this.particleDeathAge * this.particleDeathAge) / this.particleDeathAge),
                this.velocityBase.z = Math.max(0, this.velocityBase.z),
                this.particleCount = Math.ceil(e * Math.sqrt(this.strength * this.height * this.radius)),
                this.particleCount = Math.max(5, this.particleCount);
                var t = +gn.smoothstep(this.strength, .01, 1) + 1;
                this.sizeTween.values = this.defaultSizeTween.values.map(function(e) {
                    return e * t
                });
                var n = 1 + .5 * gn.smoothstep(this.strength, .01, 1);
                this.opacityTween.values = this.defaultOpacityTween.values.map(function(e) {
                    return e * n
                })
            }
        }, {
            key: "reStart",
            value: function() {
                this.emitterAge = 0,
                this.createGeometry()
            }
        }, {
            key: "updateGeometry",
            value: function() {
                this.computeParams(),
                this.reStart()
            }
        }, {
            key: "createParticle",
            value: function(e) {
                var t, n, i, r = new wb({
                    sizeTween: this.sizeTween,
                    opacityTween: this.opacityTween,
                    colorTween: this.colorTween
                });
                r.deathAge = this.particleDeathAge,
                r.center = e,
                "cube" == this.positionStyle && (r.position = this.randomVector3(this.positionBase, this.positionSpread)),
                "sphere" == this.positionStyle && (t = 2 * Math.random() - 1,
                i = 2 * Math.PI * Math.random(),
                n = Math.sqrt(1 - t * t),
                i = new Cn(n * Math.cos(i),t,.2 * Math.abs(n * Math.sin(i))),
                r.position = (new Cn).addVectors(this.positionBase, i.multiplyScalar(this.radius))),
                r.position.add(e),
                "cube" == this.velocityStyle && (r.velocity = this.randomVector3(this.velocityBase, this.velocitySpread)),
                "sphere" == this.velocityStyle && (e = new Cn(0,0,1),
                a = this.randomValue(this.speedBase, this.speedSpread),
                r.velocity = e.normalize().multiplyScalar(a)),
                r.acceleration = this.randomValue(this.accelerationBase, this.accelerationSpread),
                r.angle = this.randomValue(this.angleBase, this.angleSpread),
                r.angleVelocity = this.randomValue(this.angleVelocityBase, this.angleVelocitySpread),
                r.angleAcceleration = this.randomValue(this.angleAccelerationBase, this.angleAccelerationSpread),
                r.size = this.randomValue(this.sizeBase, this.sizeSpread);
                var a = this.randomVector3(this.colorBase, this.colorSpread);
                return r.color = (new Yi).setHSL(a.x, a.y, a.z),
                r.opacity = this.randomValue(this.opacityBase, this.opacitySpread),
                r.age = 0,
                r.alive = 0,
                r
            }
        }, {
            key: "getPointsForBound",
            value: function() {
                return this.boundPoints
            }
        }, {
            key: "getBound",
            value: function(e) {
                var n = this;
                this.boundPoints = [];
                var i = new kn
                  , t = .11 * this.sizeTween.values.slice().sort(function(e, t) {
                    return t - e
                })[0]
                  , r = .5 + t;
                e.forEach(function(e) {
                    var t = e.clone();
                    t.z += n.height,
                    i.expandByPoint(e),
                    i.expandByPoint(t),
                    n.boundPoints.push(e, t)
                });
                e = this.radius + r;
                i.expandByVector(new Cn(e,e,0)),
                i.min.z -= t,
                i.max.z += r,
                this.boundingBox = i
            }
        }, {
            key: "createGeometry",
            value: function() {
                this.particleArray = [];
                var e, i, r, t, n = [], a = [], o = [], s = [], l = [], u = [];
                1 < this.positions.length ? (e = Math.ceil(this.curve.wholeLength / .6) + 1,
                e = (i = this.curve.getSpacedPoints(e)).length,
                r = i.slice(),
                t = function(e) {
                    var t = Math.random()
                      , n = Math.floor(r.length * t)
                      , t = r[n];
                    return 1 == r.length ? r = i.slice() : r.splice(n, 1),
                    t
                }
                ,
                this.getBound(i)) : this.getBound(this.positions);
                for (var c = 0; c < this.particleCount; c++) {
                    var d = (new Cn).copy(1 < this.positions.length ? t(c) : this.positions[0]);
                    this.particleArray[c] = this.createParticle(d),
                    n[3 * c] = this.particleArray[c].position.x,
                    n[3 * c + 1] = this.particleArray[c].position.y,
                    n[3 * c + 2] = this.particleArray[c].position.z,
                    a[3 * c] = this.particleArray[c].color.r,
                    a[3 * c + 1] = this.particleArray[c].color.g,
                    a[3 * c + 2] = this.particleArray[c].color.b,
                    o[c] = this.particleArray[c].alive,
                    s[c] = this.particleArray[c].opacity,
                    l[c] = this.particleArray[c].size,
                    u[c] = this.particleArray[c].angle
                }
                this.geometry.setAttribute("position", new nr(new Float32Array(n),3)),
                this.geometry.setAttribute("customColor", new nr(new Float32Array(a),3)),
                this.geometry.setAttribute("customVisible", new nr(new Float32Array(o),1)),
                this.geometry.setAttribute("customOpacity", new nr(new Float32Array(s),1)),
                this.geometry.setAttribute("customSize", new nr(new Float32Array(l),1)),
                this.geometry.setAttribute("customAngle", new nr(new Float32Array(u),1))
            }
        }, {
            key: "createMaterial",
            value: function() {
                var e;
                this.material = new Qr((H(e = {
                    uniforms: {
                        u_sampler: {
                            type: "t",
                            value: K1 = K1 || (new _c).load(Potree.resourcePath + "/textures/smokeparticle.png")
                        },
                        heightOfNearPlane: {
                            type: "f",
                            value: 0
                        }
                    },
                    vertexShader: bb
                }, "vertexShader", bb),
                H(e, "fragmentShader", "\n    uniform sampler2D u_sampler;\n    varying vec4 vColor;\t\n    varying float vAngle;  \n    void main()\n    {\n        gl_FragColor = vColor;\n        \n        float c = cos(vAngle);\n        float s = sin(vAngle);\n        vec2 rotatedUV = vec2(c * (gl_PointCoord.x - 0.5) + s * (gl_PointCoord.y - 0.5) + 0.5, c * (gl_PointCoord.y - 0.5) - s * (gl_PointCoord.x - 0.5) + 0.5);  \n        vec4 rotatedTexture = texture2D( u_sampler,  rotatedUV );\n        gl_FragColor = gl_FragColor * rotatedTexture;   \n    }\n"),
                H(e, "transparent", !0),
                H(e, "alphaTest", .5),
                H(e, "blending", this.blendStyle),
                H(e, "depthTest", this.blendStyle != K),
                e)),
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "update",
            value: function(e) {
                if (viewer.getObjVisiByReason(this, "force"))
                    if (Potree.Utils.isInsideFrustum(this.boundingBox, viewer.scene.getActiveCamera())) {
                        viewer.updateVisible(this, "isInsideFrustum", !0),
                        1 < e && console.log("update dt>1", e);
                        for (var t, n = [], i = [], r = [], a = [], o = [], s = [], l = [], u = [], c = 0; c < this.particleCount; c++)
                            this.particleArray[c].alive && ("cube" == this.velocityStyle && (t = Math.random(),
                            this.particleArray[c].age - this.particleArray[c].lastChangeVage > this.particleDeathAge * t && (this.particleArray[c].velocity = this.randomVector3(this.velocityBase, this.velocitySpread),
                            this.particleArray[c].lastChangeVage = this.particleArray[c].age)),
                            this.particleArray[c].update(e),
                            this.particleArray[c].age > this.particleDeathAge && (this.particleArray[c].alive = 0,
                            n.push(c),
                            i.push((this.particleArray[c].age - this.particleDeathAge) % this.particleDeathAge)),
                            r[3 * c] = this.particleArray[c].position.x,
                            r[3 * c + 1] = this.particleArray[c].position.y,
                            r[3 * c + 2] = this.particleArray[c].position.z,
                            a[3 * c] = this.particleArray[c].color.r,
                            a[3 * c + 1] = this.particleArray[c].color.g,
                            a[3 * c + 2] = this.particleArray[c].color.b,
                            o[c] = this.particleArray[c].alive,
                            s[c] = this.particleArray[c].opacity,
                            l[c] = this.particleArray[c].size,
                            u[c] = this.particleArray[c].angle);
                        if (this.geometry.setAttribute("position", new nr(new Float32Array(r),3)),
                        this.geometry.setAttribute("customColor", new nr(new Float32Array(a),3)),
                        this.geometry.setAttribute("customVisible", new nr(new Float32Array(o),1)),
                        this.geometry.setAttribute("customOpacity", new nr(new Float32Array(s),1)),
                        this.geometry.setAttribute("customSize", new nr(new Float32Array(l),1)),
                        this.geometry.setAttribute("customAngle", new nr(new Float32Array(u),1)),
                        this.geometry.attributes.customColor.needsUpdate = !0,
                        this.geometry.attributes.customVisible.needsUpdate = !0,
                        this.geometry.attributes.customOpacity.needsUpdate = !0,
                        this.geometry.attributes.customSize.needsUpdate = !0,
                        this.geometry.attributes.customAngle.needsUpdate = !0,
                        this.emitterAge < this.particleDeathAge) {
                            var d = this.particleCount / this.particleDeathAge
                              , h = Math.round(d * (this.emitterAge + 0))
                              , p = Math.round(d * (this.emitterAge + e));
                            p > this.particleCount && (p = this.particleCount);
                            for (c = h; c < p; c++)
                                this.particleArray[c].alive = 1
                        }
                        for (var f = 0; f < n.length; f++) {
                            c = n[f];
                            this.particleArray[c] = this.createParticle(this.particleArray[c].center),
                            this.particleArray[c].alive = 1,
                            this.particleArray[c].age = i[f],
                            r[3 * c] = this.particleArray[c].position.x,
                            r[3 * c + 1] = this.particleArray[c].position.y,
                            r[3 * c + 2] = this.particleArray[c].position.z
                        }
                        this.geometry.setAttribute("position", new nr(new Float32Array(r),3)),
                        this.geometry.attributes.position.needsUpdate = !0,
                        this.emitterAge += e
                    } else
                        viewer.updateVisible(this, "isInsideFrustum", !1)
            }
        }, {
            key: "randomValue",
            value: function(e, t) {
                var n = Math.random();
                return e * n + t * (1 - n)
            }
        }, {
            key: "randomVector3",
            value: function(e, t) {
                var n = new Cn(Math.random() - .5,Math.random() - .5,Math.random() - .5);
                return (new Cn).addVectors(e, (new Cn).multiplyVectors(t, n))
            }
        }, {
            key: "setSize",
            value: function(e) {
                e = e.viewport;
                this.screenHeight = e.resolution.y,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setFov",
            value: function(e) {
                this.fov = e,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setPerspective",
            value: function(e, t) {
                e = Math.abs(t / (2 * Math.tan(gn.degToRad(.5 * e))));
                this.material.uniforms.heightOfNearPlane.value = e
            }
        }, {
            key: "dispose",
            value: function() {
                this.geometry.dispose(),
                this.material.dispose(),
                this.dispatchEvent("dispose")
            }
        }]),
        s
    }()), _b = Math.PI / 180, Mb = function() {
        function e() {
            O(this, e),
            this.position = new Cn,
            this.velocity = new Cn,
            this.angle = 0,
            this.angleVelocity = 0,
            this.angleAcceleration = 0,
            this.size = 16,
            this.color = new Yi,
            this.opacity = 1,
            this.rebornCount = 0,
            this.age = 0,
            this.alive = 0,
            this.deadAge = 0,
            this.sizeTween = null,
            this.colorTween = null,
            this.opacityTween = null
        }
        return h(e, [{
            key: "update",
            value: function(e) {
                this.position.add(this.velocity.clone().multiplyScalar(e)),
                this.velocity.multiplyScalar(1 + this.acceleration * e),
                this.angle += this.angleVelocity * _b * e,
                this.angleVelocity += this.angleAcceleration * _b * e,
                this.age += e,
                0 < this.sizeTween.times.length && (this.size = this.sizeTween.lerp(this.age / this.deathAge)),
                0 < this.colorTween.times.length && (e = this.colorTween.lerp(this.age / this.deathAge),
                this.color = (new Yi).setHSL(e.x, e.y, e.z)),
                0 < this.opacityTween.times.length && (this.opacity = this.opacityTween.lerp(this.age / this.deathAge))
            }
        }]),
        e
    }(), Ab = new (function() {
        function e() {
            O(this, e)
        }
        return h(e, [{
            key: "randomValue",
            value: function(e, t) {
                var n = Math.random();
                return e * n + t * (1 - n)
            }
        }, {
            key: "randomVector3",
            value: function(e, t) {
                var n = new Cn(Math.random() - .5,Math.random() - .5,Math.random() - .5);
                return (new Cn).addVectors(e, (new Cn).multiplyVectors(t, n))
            }
        }]),
        e
    }()), Tb = 1, Sb = 2, Cb = (new Tu(1,10,4),
    new $i({
        wireframe: !0,
        color: "#ffffff"
    }),
    {
        position: new Cn(0,0,1),
        positionShape: Sb,
        positionRange: new Cn(1,1,1),
        radius: 1.3,
        velocityShape: Sb,
        velocity: new Cn(0,0,2),
        velocityRange: new Cn(0,0,3),
        speed: .4,
        speedRange: 1,
        size: .4,
        sizeRange: 2,
        sizeTween: [[0, .04, .2, 1], [.1, 1, 6, 8]],
        color: new Cn(1,1,1),
        colorRange: new Cn(0,0,0),
        colorTween: new yb,
        opacity: 1,
        opacityRange: 0,
        opacityTween: new yb([0, .06, .3, .8, 1],[0, 1, .3, .05, 0]),
        blendMode: ee,
        acceleration: .5,
        accelerationRange: 0,
        angle: 0,
        angleRange: 0,
        angleVelocity: 0,
        angleVelocityRange: 0,
        angleAcceleration: 0,
        angleAccelerationRange: 0,
        strength: 1,
        particleDeathAge: .7,
        recycleTimes: 3,
        particleSpaceTime: 3
    }), Pb = function() {
        y(a, gl);
        var r = w(a);
        function a(e) {
            var t;
            O(this, a),
            (t = r.call(this)).age = 0,
            t.alive = !0,
            t.loop = !0,
            t.blendMode = K,
            t.setParameters(e),
            t.createParticles(),
            t.frustumCulled = !1,
            t.setSize({
                viewport: viewer.mainViewport
            }),
            t.setFov(viewer.fov);
            function n(e) {
                "MainView" == e.viewport.name && t.setSize(e)
            }
            function i(e) {
                t.setFov(e.fov)
            }
            return viewer.addEventListener("resize", n),
            viewer.addEventListener("fov_changed", i),
            t.addEventListener("dispose", function() {
                viewer.removeEventListener("resize", n),
                viewer.removeEventListener("fov_changed", i)
            }),
            t
        }
        return h(a, [{
            key: "computeParams",
            value: function() {
                this.curve && this.position.copy(this.curve.points[0]);
                var t = .8 + 9.2 * gn.smoothstep(this.radius * this.strength, .2, 20);
                this.sizeTween.values = this.defaultSizeTween.values.map(function(e) {
                    return e * t
                }),
                this.particleCount = Math.ceil(this.strength * this.radius * 5),
                this.speed = Cb.speed * this.radius,
                this.speedRange = Cb.speedRange * this.radius,
                console.log(this.particleCount),
                this.boundPoints = [],
                this.boundPoints.push(this.position.clone());
                var e = this.sizeTween.values.slice().sort(function(e, t) {
                    return t - e
                })[0]
                  , n = this.radius + (.35 * e + .5)
                  , e = new qn(this.position,n);
                this.boundingSphere = e,
                this.boundingBox = (new kn).setFromCenterAndSize(this.position, new Cn(2 * n,2 * n,2 * n))
            }
        }, {
            key: "getPointsForBound",
            value: function() {
                return this.boundPoints
            }
        }, {
            key: "reStart",
            value: function() {
                this.age = 0,
                this.createParticles()
            }
        }, {
            key: "setParameters",
            value: function(e) {
                for (var t in e = $.extend({}, Cb, e)) {
                    var n = e[t];
                    "position" == t ? this.position.copy(n) : n instanceof Array && n[0]instanceof Array ? this[t] = B(yb, Q(n)) : this[t] = n instanceof Cn || n instanceof Yi ? n.clone() : n
                }
                this.defaultSizeTween = this.sizeTween.clone(),
                this.particles = [],
                this.age = 0,
                this.alive = !0,
                this.geometry = new Mr,
                this.computeParams(),
                this.material = new Qr({
                    uniforms: {
                        u_sampler: {
                            value: this.texture || ($1 = $1 || (new _c).load(Potree.resourcePath + "/textures/explode.png"))
                        },
                        heightOfNearPlane: {
                            type: "f",
                            value: 0
                        }
                    },
                    vertexShader: "\n  attribute vec3 color;\n  attribute float size;\n  attribute float angle;\n  attribute float opacity;\n  attribute float visible;\n  varying vec4 vColor;\n  varying float vAngle;\n  uniform float heightOfNearPlane;\n  \n  void main() {\n    if(visible > 0.5) {\n      vColor = vec4(color, opacity);\n    } else {\n      vColor = vec4(0.0, 0.0, 0.0, 0.0);\n    }\n    vAngle = angle;\n    vec4 mvPosition = modelViewMatrix * vec4(position, 1.0);\n    gl_Position = projectionMatrix * mvPosition;\n    \n    gl_PointSize = ( heightOfNearPlane * size ) / gl_Position.w;\n  }\n",
                    fragmentShader: "\n  uniform sampler2D u_sampler;\n  varying vec4 vColor;\n  varying float vAngle;\n  void main() {\n    gl_FragColor = vColor;\n    float u = cos(vAngle);\n    float v = sin(vAngle);\n    vec2 uv = vec2(\n      u * (gl_PointCoord.x - 0.5) + v * (gl_PointCoord.y - 0.5) + 0.5, \n      u * (gl_PointCoord.y - 0.5) - v * (gl_PointCoord.x - 0.5) + 0.5\n    );\n    vec4 texture = texture2D(u_sampler, uv);\n    gl_FragColor = gl_FragColor * texture;\n  }\n",
                    transparent: !0,
                    alphaTest: .5,
                    depthTest: this.blendMode == K,
                    blending: this.blendMode
                })
            }
        }, {
            key: "createParticles",
            value: function() {
                this.particles = [];
                for (var e = this.particleCount, t = new Float32Array(3 * e), n = new Float32Array(3 * e), i = new Float32Array(e), r = new Float32Array(e), a = new Float32Array(e), o = new Float32Array(e), s = 0; s < e; s++) {
                    var l = this.createParticle();
                    this.particles[s] = l
                }
                this.geometry.setAttribute("position", new nr(t,3)),
                this.geometry.setAttribute("color", new nr(n,3)),
                this.geometry.setAttribute("angle", new nr(r,1)),
                this.geometry.setAttribute("size", new nr(i,1)),
                this.geometry.setAttribute("visible", new nr(o,1)),
                this.geometry.setAttribute("opacity", new nr(a,1))
            }
        }, {
            key: "createParticle",
            value: function() {
                var e, t, n, i = new Mb;
                i.sizeTween = this.sizeTween,
                i.colorTween = this.colorTween,
                i.opacityTween = this.opacityTween,
                i.deathAge = this.particleDeathAge,
                this.positionShape == Tb && (i.position = Ab.randomVector3(new Cn, this.positionRange)),
                this.positionShape == Sb && (e = 2 * Math.random() - 1,
                n = 2 * Math.PI * Math.random(),
                t = Math.sqrt(1 - e * e),
                n = new Cn(t * Math.cos(n),e,t * Math.sin(n)),
                i.position = n.multiplyScalar(this.radius)),
                this.velocityShape == Tb && (i.velocity = Ab.randomVector3(this.velocity, this.velocityRange)),
                this.velocityShape == Sb && (n = (new Cn).addVectors(i.position, new Cn(0,0,2 * this.radius)),
                r = Ab.randomValue(this.speed, this.speedRange),
                i.velocity = n.normalize().multiplyScalar(r)),
                i.acceleration = Ab.randomValue(this.acceleration, this.accelerationRange),
                i.angle = Ab.randomValue(this.angle, this.angleRange),
                i.angleVelocity = Ab.randomValue(this.angleVelocity, this.angleVelocityRange),
                i.angleAcceleration = Ab.randomValue(this.angleAcceleration, this.angleAccelerationRange),
                i.size = Ab.randomValue(this.size, this.sizeRange);
                var r = Ab.randomVector3(this.color, this.colorRange);
                return i.color = (new Yi).setHSL(r.x, r.y, r.z),
                i.opacity = Ab.randomValue(this.opacity, this.opacityRange),
                i
            }
        }, {
            key: "update",
            value: function(e) {
                if (viewer.getObjVisiByReason(this, "force")) {
                    if (0 < this.delayStartTime)
                        return this.delayStartTime -= e;
                    if (Potree.Utils.isInsideFrustum(this.boundingSphere, viewer.scene.getActiveCamera())) {
                        viewer.updateVisible(this, "isInsideFrustum", !0),
                        1 < e && console.log("update dt>1", e);
                        for (var t = this.particleDeathAge, n = this.particleSpaceTime, i = [], r = [], a = [], o = this.geometry.attributes.position.array, s = this.geometry.attributes.opacity.array, l = this.geometry.attributes.visible.array, u = this.geometry.attributes.color.array, c = this.geometry.attributes.angle.array, d = this.geometry.attributes.size.array, h = 0; h < this.particleCount; h++) {
                            var p, f = this.particles[h];
                            f.alive ? (f.update(e),
                            f.age > t && (f.alive = 0,
                            f.rebornCount >= this.recycleTimes ? f.deadAge = f.age - t : (i.push(h),
                            r.push(f.age - t),
                            a.push(f.rebornCount + 1))),
                            o[3 * h] = f.position.x,
                            o[3 * h + 1] = f.position.y,
                            o[3 * h + 2] = f.position.z,
                            u[3 * h] = f.color.r,
                            u[3 * h + 1] = f.color.g,
                            u[3 * h + 2] = f.color.b,
                            l[h] = f.alive,
                            s[h] = f.opacity,
                            c[h] = f.angle,
                            d[h] = f.size) : f.rebornCount >= this.recycleTimes && f.age > t && (f.deadAge += e),
                            f.rebornCount >= this.recycleTimes && f.age > t && f.deadAge >= n && (i.push(h),
                            p = t * (this.recycleTimes + 1) + n,
                            r.push((f.deadAge - n) % p),
                            a.push(0))
                        }
                        if (this.geometry.attributes.size.needsUpdate = !0,
                        this.geometry.attributes.color.needsUpdate = !0,
                        this.geometry.attributes.angle.needsUpdate = !0,
                        this.geometry.attributes.visible.needsUpdate = !0,
                        this.geometry.attributes.opacity.needsUpdate = !0,
                        this.geometry.attributes.position.needsUpdate = !0,
                        this.alive) {
                            if (this.age < t) {
                                var m = Math.round(this.particleCount * (this.age + 0) / t)
                                  , v = Math.round(this.particleCount * (this.age + e) / t);
                                v > this.particleCount && (v = this.particleCount);
                                for (var g = m; g < v; g++)
                                    this.particles[g].alive = 1
                            }
                            for (var y = 0; y < i.length; y++) {
                                var w = i[y];
                                this.particles[w] = this.createParticle(),
                                this.particles[w].alive = 1,
                                this.particles[w].age = r[y],
                                this.particles[w].rebornCount = a[y]
                            }
                            this.geometry.attributes.position.needsUpdate = !0,
                            this.age += e,
                            this.age > this.deathAge && !this.loop && (this.alive = !1)
                        }
                    } else
                        viewer.updateVisible(this, "isInsideFrustum", !1)
                }
            }
        }, {
            key: "setSize",
            value: function(e) {
                e = e.viewport;
                this.screenHeight = e.resolution.y,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setFov",
            value: function(e) {
                this.fov = e,
                this.setPerspective(this.fov, this.screenHeight)
            }
        }, {
            key: "setPerspective",
            value: function(e, t) {
                e = Math.abs(t / (2 * Math.tan(gn.degToRad(.5 * e))));
                this.material.uniforms.heightOfNearPlane.value = e
            }
        }, {
            key: "updateGeometry",
            value: function() {
                this.computeParams(),
                this.reStart()
            }
        }, {
            key: "dispose",
            value: function() {
                this.geometry.dispose(),
                this.material.dispose(),
                this.dispatchEvent("dispose")
            }
        }]),
        a
    }(), Db = {
        "fire+smoke": 16777215,
        smoke: 16777215,
        explode: 16777215
    }, kb = {
        clipDistance: 100,
        occlusionDistance: 60,
        maxClipFactor: .5,
        backColor: "#777",
        useDepth: !0,
        transparent: !0
    }, Bb = {
        bus: new Dh,
        particleGroup: new Si,
        curveGroup: new Si,
        init: function() {
            this.particleGroup.name = "particles",
            viewer.scene.scene.add(this.particleGroup),
            this.curveGroup.name = "particles-curves",
            viewer.scene.scene.add(this.curveGroup)
        },
        addParticle: function() {
            var e, t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return "fire" == t.type ? e = new gb(t) : "smoke" == t.type ? e = new Eb(t) : "explode" == t.type && (e = new Pb(t)),
            this.particleGroup.add(e),
            e
        },
        removeParticle: function(e) {
            e.dispose(),
            this.particleGroup.remove(e),
            e.curve.dispose()
        },
        update: function(t) {
            this.particleGroup.children.forEach(function(e) {
                return e.update(t)
            })
        },
        startInsertion: function() {
            var t = this
              , n = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : "fire"
              , i = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
              , r = $.Deferred()
              , a = []
              , o = function(e) {
                e && r.resolve(a),
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "addSth"
                }),
                viewer.removeEventListener("global_click", u),
                t.bus.removeEventListener("cancel_insertions", l)
            }
              , s = new hv([],Y1(n),Db[n],n + "_curve",{
                handleMat: Z1(n)
            });
            this.curveGroup.add(s),
            i.curve = s,
            i.type = n;
            var l = function() {
                console.log("cancel_insertions", s.uuid),
                s.dispose(),
                o(!1)
            };
            this.bus.dispatchEvent("cancel_insertions"),
            this.bus.addEventListener("cancel_insertions", l);
            var u = function(e) {
                if (e.button !== C.RIGHT) {
                    e = e.intersect && (e.intersect.orthoIntersect || e.intersect.location);
                    if (e)
                        return s.addPoint(e, null, !0),
                        "explode" == n && (a = t.createFromData(i),
                        o(!0)),
                        {
                            stopContinue: !0
                        }
                } else
                    1 <= s.points.length && (a = t.createFromData(i),
                    o(!0))
            };
            return viewer.addEventListener("global_click", u, 10),
            viewer.dispatchEvent({
                type: "CursorChange",
                action: "add",
                name: "addSth"
            }),
            r.promise()
        },
        createFromData: function(e) {
            var t, n, i = e.type, r = [], a = e.curve;
            return a || (a = new hv(e.points,Y1(i),Db[i],i + "_curve",{
                handleMat: Z1(i)
            }),
            this.curveGroup.add(a)),
            i.includes("fire") || i.includes("smoke") ? (i.includes("fire") && (t = this.addParticle({
                type: "fire",
                positions: a.points,
                curve: a,
                radius: e.radius,
                height: e.height,
                strength: e.strength
            }),
            r.push(t)),
            i.includes("smoke") && (t = this.addParticle({
                type: "smoke",
                positions: a.points,
                curve: a,
                positionStyle: "sphere",
                strength: e.smokeStrength,
                radius: e.smokeRadius,
                height: e.smokeHeight
            }),
            r.push(t))) : "explode" == i && (e = this.addParticle({
                type: "explode",
                position: a.points[0],
                strength: e.strength,
                radius: e.radius,
                particleSpaceTime: e.particleSpaceTime,
                curve: a,
                delayStartTime: e.delayStartTime
            }),
            r.push(e)),
            a.addEventListener("dragCurvePoint", function() {
                n = !0,
                Fm.intervalTool.isWaiting("particlePointChange", function() {
                    if (n)
                        return r.forEach(function(e) {
                            return e.updateGeometry()
                        }),
                        n = !1,
                        a.dispatchEvent("sendUpdatePoints"),
                        !0
                }, 400)
            }),
            r
        }
    }, Lb = {
        createAnimation: function(e) {
            var t = new bv(viewer);
            if (e) {
                t.name = e.name,
                t.duration = e.duration,
                t.useDurSlice = e.useDurSlice;
                var n, i = ue(e.points);
                try {
                    for (i.s(); !(n = i.n()).done; ) {
                        var r = n.value
                          , a = (new Cn).copy(r.position)
                          , o = (new Cn).copy(r.target)
                          , s = r.time;
                        t.createControlPoint(null, {
                            position: a,
                            target: o,
                            duration: s
                        })
                    }
                } catch (e) {
                    i.e(e)
                } finally {
                    i.f()
                }
            }
            return t.changeCallback(),
            viewer.scene.addCameraAnimation(t),
            t
        },
        removeAnimation: function(e) {
            e.dispatchEvent("dispose"),
            viewer.scene.removeCameraAnimation(e)
        }
    }, Rb = new _c;
    Rb.crossOrigin = "anonymous";
    var Fb, Ib, Ob, zb, Nb, Ub, Gb, Hb, Vb, jb = {}, Wb = {}, Xb = 3, qb = 2, Jb = 1, Yb = "#c60", Zb = "#17c", Qb = 1.3, Kb = 2, $b = [{
        name: "top",
        axis: ["x", "y"],
        direction: new Cn(0,0,-1),
        openCount: 0
    }, {
        name: "right",
        axis: ["y", "z"],
        direction: new Cn(1,0,0),
        openCount: 0
    }], ex = new (function() {
        y(n, hn);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).panoGroup = [],
            e.viewports = {},
            e.panoLink = {},
            e.panoMeshs = new Si,
            e.lineMeshes = new Si,
            e.views = {},
            e.cameras = {},
            e.orthoCamera = new ed(-100,100,100,100,.01,1e4),
            e.selectedPano,
            e.selectedGroup,
            e.operation,
            e.visiblePanos = [],
            e
        }
        return h(n, [{
            key: "init",
            value: function() {
                var i = this;
                jb.default = Sf.createFatLineMat({
                    color: "#eeeeee",
                    lineWidth: 2,
                    depthTest: !1
                }),
                jb.hovered = Sf.createFatLineMat({
                    color: "#00c8af",
                    lineWidth: 2,
                    depthTest: !1
                }),
                jb.selected = Sf.createFatLineMat({
                    color: "#00c8af",
                    lineWidth: 3,
                    depthTest: !1
                }),
                this.initViews(),
                viewer.addEventListener("allLoaded", function() {
                    var t;
                    nb = viewer.images360,
                    ib = viewer.modules.Alignment,
                    rb = viewer.modules.SiteModel,
                    i.panoMeshs.name = "panoMeshs",
                    viewer.scene.scene.add(i.panoMeshs),
                    i.lineMeshes.name = "lineMeshes",
                    viewer.scene.scene.add(i.lineMeshes),
                    i.initPanoLink(),
                    i.addPanoMesh(),
                    viewer.scene.pointclouds.forEach(function(e) {
                        e.material.color = Zb
                    }),
                    i.switchView("top"),
                    rb.bus.addEventListener("initDataDone", function() {
                        var e = rb.entities.find(function(e) {
                            return "floor" == e.buildType && e.panos.length
                        });
                        e || (e = "all",
                        console.log("没有一层有漫游点？！")),
                        i.gotoFloor(e)
                    }),
                    ib.bus.addEventListener("switchHandle", i.updateCursor.bind(i)),
                    viewer.addEventListener("global_click", function(e) {
                        e.button === C.RIGHT ? (console.log("right click", e),
                        i.setLinkOperateState("addLink", !1),
                        i.setLinkOperateState("removeLink", !1)) : i.clickToZoomInEnabled && (i.zoomIn(e.intersect.orthoIntersect, e.pointer),
                        i.setZoomInState(!1))
                    }),
                    i.rotGuideLine = Sf.createLine([], {
                        color: "#aaffee"
                    }),
                    i.rotGuideLine.visible = !1,
                    i.rotGuideLine.name = "rotGuideLine",
                    i.rotGuideLine.renderOrder = Jb,
                    viewer.scene.scene.add(i.rotGuideLine),
                    ib.bus.addEventListener("rotateStart", function(e) {
                        t = e.startPoint
                    }),
                    ib.bus.addEventListener("rotate", function(e) {
                        Sf.updateLine(i.rotGuideLine, [t, e.endPoint]),
                        i.rotGuideLine.visible = !0
                    }),
                    viewer.fpControls.addEventListener("end", function(e) {
                        t = null,
                        i.rotGuideLine.visible = !1
                    }),
                    i.linkGuideLine = Sf.createLine([], {
                        color: "#aaa",
                        deshed: !0,
                        dashSize: .1,
                        gapSize: .1
                    }),
                    i.linkGuideLine.visible = !1,
                    i.linkGuideLine.name = "linkGuideLine",
                    viewer.scene.scene.add(i.linkGuideLine),
                    i.linkGuideLine.renderOrder = Jb;
                    function n(e) {
                        if ("addLink" != i.operation || "top" != i.activeViewName || !i.selectedPano)
                            return i.linkGuideLine.visible = !1;
                        Sf.updateLine(i.linkGuideLine, [i.selectedPano.position, e.intersect.orthoIntersect.clone().setZ(i.selectedPano.position.z)]),
                        i.linkGuideLine.visible = !0
                    }
                    viewer.addEventListener("global_mousemove", function(e) {
                        n(e)
                    }),
                    i.addEventListener("updateLinkGuideLine", n)
                })
            }
        }, {
            key: "initViews",
            value: function() {
                this.splitScreenTool = new A1,
                this.targetPlane = viewer.mainViewport.targetPlane = new ki,
                this.shiftTarget = viewer.mainViewport.shiftTarget = new Cn;
                for (var e = 0; e < 2; e++) {
                    var t = $b[e]
                      , n = new ng;
                    this.views[t.name] = n,
                    this.cameras[t.name] = this.orthoCamera,
                    n.direction = t.direction
                }
                this.views.mainView = viewer.mainViewport.view,
                this.cameras.mainView = viewer.mainViewport.camera
            }
        }, {
            key: "switchView",
            value: function(t) {
                var n = this
                  , i = this.views[t]
                  , e = this.cameras[t]
                  , r = $b.find(function(e) {
                    return e.name == t
                })
                  , a = viewer.bound
                  , o = a.boundSize
                  , s = a.center;
                this.lastViewName = this.activeViewName,
                this.activeViewName = t;
                var l, u = this.views[this.lastViewName], a = this.cameras[this.lastViewName];
                viewer.mainViewport.view = i,
                viewer.mainViewport.camera = e,
                a && (u.zoom = a.zoom),
                this.targetPlane.setFromNormalAndCoplanarPoint(i.direction.clone(), s),
                this.targetPlane.projectPoint(i.position, this.shiftTarget),
                i.position.copy(this.splitScreenTool.getPosOutOfModel(viewer.mainViewport)),
                i.zoom && (e.zoom = i.zoom),
                viewer.updateScreenSize({
                    forceUpdateSize: !0
                }),
                this.updateCursor(),
                "mainView" == t ? (viewer.mainViewport.alignment = null,
                viewer.scene.pointclouds.forEach(function(e) {
                    e.material.activeAttributeName = "rgba",
                    e.material.useFilterByNormal = !1,
                    e.changePointOpacity(1, !0)
                }),
                viewer.updateVisible(viewer.reticule, "force", !0),
                u && (i.copy(u),
                l = i.direction,
                u = nb.panos.filter(function(e) {
                    return e.circle.visible
                }),
                u = Fm.sortByScore(u, [], [function(e) {
                    return -(new Cn).subVectors(e.position, i.position).dot(l)
                }
                ], !0),
                console.log("最近", u),
                u && u[0] && (e = a.top / a.zoom / Math.tan(gn.degToRad(e.fov / 2)),
                i.position.add(l.clone().multiplyScalar(-u[0].score - e)),
                this.lastDisToPano = e)),
                viewer.fpControls.lockKey = !1) : (0 == r.openCount && this.viewportFitBound(t, o, s),
                r.openCount++,
                viewer.scene.pointclouds.forEach(function(e) {
                    e.material.activeAttributeName = "color",
                    e.material.useFilterByNormal = !0,
                    n.selectedPano && n.selectedClouds.includes(e) ? e.changePointOpacity(Kb, !0) : e.changePointOpacity(Qb, !0)
                }),
                viewer.updateVisible(viewer.reticule, "force", !1),
                "top" == t && (viewer.mainViewport.alignment = {
                    rotate: !0,
                    translate: !0
                }),
                "right" == t ? (viewer.mainViewport.alignment = {
                    translate: !0,
                    rotateSide: !0
                },
                viewer.mainViewport.rotateSide = !0) : viewer.mainViewport.rotateSide = !1,
                viewer.fpControls.lockKey = !0),
                this.setZoomInState(!1)
            }
        }, {
            key: "viewportFitBound",
            value: function() {
                var e = this;
                if (0 == viewer.mainViewport.resolution.x || 0 == viewer.mainViewport.resolution.y)
                    return setTimeout(function() {
                        e.viewportFitBound()
                    }, 10);
                this.gotoFloor(this.currentFloor, !0, 0, null, !0)
            }
        }, {
            key: "rotateSideCamera",
            value: function(e) {
                this.splitScreenTool.rotateSideCamera(viewer.mainViewport, e)
            }
        }, {
            key: "zoomIn",
            value: function(e, t) {
                var n = viewer.mainViewport.camera;
                700 <= n.zoom || viewer.mainViewport.view.zoomOrthoCamera(n, 700, t, 300)
            }
        }, {
            key: "moveFit",
            value: function(e, t, n) {
                this.splitScreenTool.viewportFitBound(viewer.mainViewport, t.bound, e, n, {
                    x: 200,
                    y: 230
                })
            }
        }, {
            key: "setZoomInState",
            value: function(e, t) {
                if (e && "mainView" == this.activeViewName)
                    return console.log("3D不可放大");
                this.clickToZoomInEnabled = !!e,
                e ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "zoomInCloud"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "zoomInCloud"
                }),
                e || t || this.dispatchEvent({
                    type: "operationCancel",
                    operation: "zoomIn"
                })
            }
        }, {
            key: "gotoFloor",
            value: function(e, t) {
                var n, i, r, a = this, o = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 600, s = 3 < arguments.length ? arguments[3] : void 0, l = 4 < arguments.length ? arguments[4] : void 0;
                this.currentFloor == (e = e || "all") && !t || (n = ("all" == e ? viewer.images360 : e).panos,
                viewer.images360.panos.forEach(function(e) {
                    var t = n.includes(e);
                    a.switchPanoVisible(e, t)
                }),
                this.updateLinesVisible(),
                this.selectedPano && "all" != e && !e.panos.includes(this.selectedPano) && this.selectedPano.circle.dispatchEvent("click"),
                this.selectedLine && this.selectedLine.dispatchEvent("click"),
                "all" == e ? (i = viewer.images360.bound.bounding,
                r = viewer.images360.bound.center) : (r = (i = this.getPanosBound(e)).getCenter(new Cn),
                0 == e.panos.length && console.log(e.name, "floor无漫游点")),
                "mainView" != this.activeViewName ? l && this.moveFit(r, {
                    bound: i
                }, o) : "mainView" == this.activeViewName && "all" != e && viewer.scene.view.setView({
                    position: r,
                    duration: o
                }),
                this.currentFloor = e,
                s || this.dispatchEvent({
                    type: "changeFloor",
                    floor: e
                }))
            }
        }, {
            key: "getPanosBound",
            value: function(e) {
                var t;
                return e.panosBound || (0 == e.panos.length ? e.panosBound = viewer.images360.bound.bounding.clone() : (t = new Cn(5,5,5),
                t = Up.getBoundByPoints(e.panos.map(function(e) {
                    return e.position
                }), t),
                e.panosBound = t.bounding)),
                e.panosBound
            }
        }, {
            key: "switchPanoVisible",
            value: function(e, t, n) {
                var i;
                e.circle.visible = t,
                viewer.updateVisible(e, "panoEditor", t),
                viewer.updateVisible(e.pointcloud, "panoEditor", t),
                t ? this.visiblePanos.includes(e) || this.visiblePanos.push(e) : -1 < (i = this.visiblePanos.indexOf(e)) && this.visiblePanos.splice(i, 1),
                n && this.updateLinesVisible(),
                n || this.dispatchEvent({
                    type: "switchPanoVisible",
                    pano: e,
                    v: t
                })
            }
        }, {
            key: "updateLinesVisible",
            value: function() {
                var i = this;
                this.lineMeshes.children.forEach(function(e) {
                    var t = e.name.split("-")
                      , n = nb.getPano(t[0])
                      , t = nb.getPano(t[1]);
                    e.visible = i.visiblePanos.includes(n) || i.visiblePanos.includes(t)
                })
            }
        }, {
            key: "updateCursor",
            value: function() {
                var e = "mainView" != this.activeViewName && this.selectedPano ? ib.handleState : null;
                "rotate" == e ? (viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "rotatePointcloud"
                }),
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "movePointcloud"
                })) : ("translate" == e ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "movePointcloud"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "movePointcloud"
                }),
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "rotatePointcloud"
                }))
            }
        }, {
            key: "setLinkOperateState",
            value: function(e, t, n) {
                var i;
                t && e == this.operation || !t && e != this.operation || (i = this.operation,
                this.operation = t ? e : null,
                "removeLink" == this.operation && (this.selectedLine && this.selectedLine.dispatchEvent("click"),
                this.selectedPano && this.selectedPano.circle.dispatchEvent("click")),
                "addLink" != this.operation && (this.linkGuideLine.visible = !1),
                t || n || this.dispatchEvent({
                    type: "operationCancel",
                    operation: i
                }),
                "addLink" == this.operation ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "connectPano"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "connectPano"
                }),
                "removeLink" == this.operation ? viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "disconnectPano"
                }) : viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "disconnectPano"
                }))
            }
        }, {
            key: "initPanoLink",
            value: function() {
                var n = this;
                nb.panos.forEach(function(e) {
                    n.panoLink[e.id] = {}
                }),
                nb.panos.forEach(function(t) {
                    t.visibles.forEach(function(e) {
                        n.linkChange(t, nb.getPano(e, "index"), "add")
                    })
                }),
                console.log("panoLink", this.panoLink)
            }
        }, {
            key: "groupChange",
            value: function(n, i, e) {
                var r = this;
                "add" == e ? Fm.pushToGroupAuto([n, i], this.panoGroup) : (e = this.panoGroup.find(function(e) {
                    return e.includes(n) && (e.includes(i) || !i)
                })) ? (this.panoGroup.splice(this.panoGroup.indexOf(e), 1),
                e.forEach(function(e) {
                    if (e != n && e != i)
                        for (var t in r.panoLink[e.id])
                            r.panoLink[e.id][t] && (t = nb.getPano(t),
                            Fm.pushToGroupAuto([e, t], r.panoGroup))
                })) : i ? console.log("这两个pano原本就不在一个组", n.id, i.id) : console.log("pano0不在任何组", n)
            }
        }, {
            key: "linkChange",
            value: function(t, e, n) {
                var i = this
                  , r = [];
                if ("add" == n) {
                    if (!e)
                        return console.error("不支持add时pano1为空");
                    this.panoLink[t.id][e.id] = this.panoLink[t.id][e.id] || {},
                    this.panoLink[e.id][t.id] = this.panoLink[e.id][t.id] || {}
                } else if (e)
                    this.panoLink[t.id][e.id] = !1,
                    this.panoLink[e.id][t.id] = !1;
                else {
                    for (var a in this.panoLink[t.id])
                        this.panoLink[t.id][a] && (this.panoLink[a][t.id] = !1,
                        r.push(a));
                    this.panoLink[t.id] = {}
                }
                e ? this.lineChange(t, e, n) : r.forEach(function(e) {
                    i.lineChange(t, nb.getPano(e), n)
                }),
                this.groupChange(t, e, n),
                this.selectPano(this.selectedPano, !1, !0)
            }
        }, {
            key: "lineChange",
            value: function(t, n, e) {
                var i, r = this;
                "add" == e ? this.panoLink[t.id][n.id].line || ((i = Sf.createFatLine([t.position, n.position], {
                    material: jb.default
                })).name = "".concat(t.id, "-").concat(n.id),
                i.renderOrder = i.pickOrder = Jb,
                this.lineMeshes.add(i),
                (this.panoLink[t.id][n.id].line = this.panoLink[n.id][t.id].line = i).addEventListener("mouseover", function() {
                    r.clickToZoomInEnabled || "mainView" != r.activeViewName && (r.selectedLine != i && (i.material = jb.hovered),
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "add",
                        name: "hoverLine"
                    }))
                }),
                i.addEventListener("mouseleave", function() {
                    r.clickToZoomInEnabled || (r.selectedLine != i && (i.material = jb.default),
                    viewer.dispatchEvent({
                        type: "CursorChange",
                        action: "remove",
                        name: "hoverLine"
                    }))
                }),
                i.addEventListener("click", function(e) {
                    if (!r.clickToZoomInEnabled && "mainView" != r.activeViewName)
                        return "removeLink" == r.operation ? (r.selectedLine == i && r.selectLine(null),
                        r.linkChange(t, n, "remove")) : void r.selectLine(i)
                })) : (e = this.lineMeshes.children.find(function(e) {
                    return e.name == "".concat(t.id, "-").concat(n.id) || e.name == "".concat(n.id, "-").concat(t.id)
                })) && (this.lineMeshes.remove(e),
                e.geometry.dispose())
            }
        }, {
            key: "selectLine",
            value: function(e) {
                this.selectedLine != e && (this.selectedLine && (this.selectedLine.material = jb.default),
                e && (e.material = jb.selected),
                this.selectedLine = e)
            }
        }, {
            key: "addPanoMesh",
            value: function() {
                var i = this
                  , e = Rb.load(Potree.resourcePath + "/textures/correct_n.png");
                Wb.default = new $i({
                    map: e,
                    color: 16777215,
                    transparent: !0,
                    depthTest: !1,
                    depthWrite: !1
                }),
                Wb.hovered = new $i({
                    map: e,
                    color: 16776960,
                    transparent: !0,
                    depthTest: !1,
                    depthWrite: !1
                }),
                Wb.selected = new $i({
                    map: Rb.load(Potree.resourcePath + "/textures/correct_s.png"),
                    color: 16777215,
                    transparent: !0,
                    depthTest: !1,
                    depthWrite: !1
                });
                function n(e) {
                    for (var t in e.position.copy(e.pano.position),
                    i.panoLink[e.pano.id]) {
                        var n = i.panoLink[e.pano.id][t];
                        n && Sf.updateLine(n.line, [e.pano.position, nb.getPano(t).position])
                    }
                    e.update()
                }
                nb.panos.forEach(function(e) {
                    var t = new qp({
                        mat: Wb.default,
                        sizeInfo: {
                            minSize: 50,
                            maxSize: 120,
                            nearBound: 2,
                            farBound: 10
                        },
                        renderOrder: qb,
                        pickOrder: qb
                    });
                    t.name = "panoCircle",
                    t.sid = e.id,
                    (t.pano = e).circle = t,
                    i.panoMeshs.add(t),
                    n(t),
                    e.addEventListener("rePos", n.bind(i, t));
                    t.addEventListener("drag", function() {
                        "mainView" != i.activeViewName && (i.selectPano(t.pano),
                        viewer.inputHandler.drag.object = null)
                    }),
                    t.addEventListener("mouseover", function() {
                        i.hoverPano(e, !0)
                    }),
                    t.addEventListener("mouseleave", function() {
                        i.hoverPano(e, !1)
                    }),
                    t.addEventListener("click", function() {
                        if (!i.clickToZoomInEnabled) {
                            if ("removeLink" == i.operation && i.linkChange(e, null, "remove"),
                            i.selectedPano == t.pano)
                                return i.selectPano(null);
                            "addLink" == i.operation && i.selectedPano ? i.linkChange(i.selectedPano, t.pano, "add") : i.selectPano(t.pano)
                        }
                    })
                })
            }
        }, {
            key: "hoverPano",
            value: function(e, t) {
                this.clickToZoomInEnabled || (e && t ? this.hoveredPano != e && (this.hoveredPano && this.hoverPano(this.hoveredPano, !1),
                (this.hoveredPano = e).hovered = !0,
                ib.handleState && this.selectedPano && this.selectedPano == e || ("addLink" == this.operation && this.selectedPano && this.selectedPano != e || viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "add",
                    name: "hoverPano"
                }),
                this.selectedPano != e && (e.circle.material = Wb.hovered))) : e && !t ? this.hoveredPano == e && (e.hovered = !1,
                viewer.dispatchEvent({
                    type: "CursorChange",
                    action: "remove",
                    name: "hoverPano"
                }),
                this.selectedPano != e && (e.circle.material = Wb.default),
                this.hoveredPano = null) : this.hoveredPano && this.hoverPano(this.hoveredPano, !1))
            }
        }, {
            key: "selectPano",
            value: function(t, e, n) {
                var i;
                this.selectedPano == t && !n || (i = this.selectedPano,
                this.selectedPano && (this.selectedPano.circle.material = Wb.default,
                this.selectedPano.circle.renderOrder = qb,
                "mainView" != this.activeViewName && this.selectedClouds.forEach(function(e) {
                    e.changePointOpacity(Qb, !0),
                    e.material.color = Zb
                })),
                this.selectedPano = t || null,
                this.updateSelectGroup(),
                t && (this.selectedPano.circle.material = Wb.selected,
                this.selectedPano.circle.renderOrder = this.selectedPano.circle.pickOrder = Xb,
                "mainView" != this.activeViewName && this.selectedClouds.forEach(function(e) {
                    e.changePointOpacity(Kb, !0),
                    e.material.color = Yb
                }),
                n = rb.entities.find(function(e) {
                    return "floor" == e.buildType && e.panos.includes(t)
                }) || "all",
                this.gotoFloor(n, !1, 600)),
                this.updateCursor(),
                e ? this.selectedPano && ("mainView" == this.activeViewName ? (e = this.lastDisToPano || 5,
                i && (e = viewer.mainViewport.camera.position.distanceTo(i.position)),
                viewer.focusOnObject({
                    position: this.selectedPano.position
                }, "point", null, {
                    distance: e
                })) : this.moveFit(this.selectedPano.position, {}, 500)) : this.dispatchEvent({
                    type: "panoSelect",
                    pano: t
                }))
            }
        }, {
            key: "updateSelectGroup",
            value: function() {
                var t = this;
                this.selectedGroup = this.panoGroup.find(function(e) {
                    return e.includes(t.selectedPano)
                }),
                this.selectedClouds = this.selectedPano ? (this.selectedGroup || [this.selectedPano]).map(function(e) {
                    return e.pointcloud
                }) : []
            }
        }, {
            key: "checkIfCanSave",
            value: function() {
                for (var e in Potree.settings.datasetsPanos)
                    if (!this.checkIfAllLinked({
                        datasetId: e
                    }))
                        return void console.log("没有全部连通，不能保存。其中一个：", e);
                return !0
            }
        }, {
            key: "checkIfAllLinked",
            value: function(e) {
                var t;
                if (e.group) {
                    var n = e.group
                      , i = e.group[0];
                    if (!i)
                        return;
                    t = i.pointcloud.dataset_id
                } else if (e.datasetId && (t = e.datasetId,
                !(n = this.panoGroup.find(function(e) {
                    return e[0].pointcloud.dataset_id == t
                }))))
                    return;
                return Potree.settings.datasetsPanos[t].panos.length == n.length
            }
        }, {
            key: "exportSavingData",
            value: function() {
                var e, i = this, t = {};
                const rotQua = (new Sn()).setFromAxisAngle(new Cn(0,0,1), Math.PI)  //add  
                for (e in Potree.settings.datasetsPanos) {
                    var n = Potree.settings.datasetsPanos[e].panos.map(function(e) {
                        var t, n = [];
                        for (t in i.panoLink[e.id])
                            i.panoLink[e.id][t] && n.push(viewer.images360.getPano(t).index);
                        return Object.assign({}, e.panosData, {
                            uuid: e.uuid,
                            pose: {
                                translation: r(e.position.clone()),
                                rotation: r((new Sn).setFromRotationMatrix(e.panoMatrix).premultiply(rotQua))
                            },
                            visibles: n
                        })
                    });
                    t[e] = {
                        sweepLocations: n
                    }
                }
                function r(e) {
                    e = Up.toPrecision(e, 6);
                    return e instanceof Sn ? {
                        x: e.x,
                        y: e.y,
                        z: e.z,
                        w: e.w
                    } : e instanceof Cn ? {
                        x: e.x,
                        y: e.y,
                        z: e.z
                    } : void 0
                }
                
                return console.log(t),
                t
            }
        }]),
        n
    }()), tx = (Fb = /^[og]\s*(.+)?/,
    Ib = /^mtllib /,
    Ob = /^usemtl /,
    zb = /^usemap /,
    Nb = new Cn,
    Ub = new Cn,
    Gb = new Cn,
    Hb = new Cn,
    Vb = new Cn,
    ix.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: ix,
        load: function(n, i, e, r) {
            var a = this
              , t = new gc(this.manager);
            t.setPath(this.path),
            t.setRequestHeader(this.requestHeader),
            t.setWithCredentials(this.withCredentials),
            t.load(n, function(e, t) {
                try {
                    i(a.parse(e), t)
                } catch (e) {
                    r ? r(e) : console.error(e),
                    a.manager.itemError(n)
                }
            }, e, r)
        },
        setMaterials: function(e) {
            return this.materials = e,
            this
        },
        parse: function(e) {
            for (var t, n, i, r = new nx, a = (e = -1 !== (e = -1 !== e.indexOf("\r\n") ? e.replace(/\r\n/g, "\n") : e).indexOf("\\\n") ? e.replace(/\\\n/g, "") : e).split("\n"), o = "", s = [], l = "function" == typeof "".trimLeft, u = 0, c = a.length; u < c; u++)
                if (o = a[u],
                0 !== (o = l ? o.trimLeft() : o.trim()).length && "#" !== (t = o.charAt(0)))
                    if ("v" === t) {
                        var d = o.split(/\s+/);
                        switch (d[0]) {
                        case "v":
                            r.vertices.push(parseFloat(d[1]), parseFloat(d[2]), parseFloat(d[3])),
                            7 <= d.length ? r.colors.push(parseFloat(d[4]), parseFloat(d[5]), parseFloat(d[6])) : r.colors.push(void 0, void 0, void 0);
                            break;
                        case "vn":
                            r.normals.push(parseFloat(d[1]), parseFloat(d[2]), parseFloat(d[3]));
                            break;
                        case "vt":
                            r.uvs.push(parseFloat(d[1]), parseFloat(d[2]))
                        }
                    } else if ("f" === t) {
                        for (var h = o.substr(1).trim().split(/\s+/), p = [], f = 0, m = h.length; f < m; f++) {
                            var v = h[f];
                            0 < v.length && (v = v.split("/"),
                            p.push(v))
                        }
                        for (var g = p[0], f = 1, m = p.length - 1; f < m; f++) {
                            var y = p[f]
                              , w = p[f + 1];
                            r.addFace(g[0], y[0], w[0], g[1], y[1], w[1], g[2], y[2], w[2])
                        }
                    } else if ("l" === t) {
                        var b = o.substring(1).trim().split(" ")
                          , x = []
                          , E = [];
                        if (-1 === o.indexOf("/"))
                            x = b;
                        else
                            for (var _ = 0, M = b.length; _ < M; _++) {
                                var A = b[_].split("/");
                                "" !== A[0] && x.push(A[0]),
                                "" !== A[1] && E.push(A[1])
                            }
                        r.addLineGeometry(x, E)
                    } else
                        "p" === t ? (n = o.substr(1).trim().split(" "),
                        r.addPointGeometry(n)) : null !== (s = Fb.exec(o)) ? (i = (" " + s[0].substr(1).trim()).substr(1),
                        r.startObject(i)) : Ob.test(o) ? r.object.startMaterial(o.substring(7).trim(), r.materialLibraries) : Ib.test(o) ? r.materialLibraries.push(o.substring(7).trim()) : zb.test(o) ? console.warn('THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.') : "s" === t ? (1 < (s = o.split(" ")).length ? (i = s[1].trim().toLowerCase(),
                        r.object.smooth = "0" !== i && "off" !== i) : r.object.smooth = !0,
                        (U = r.object.currentMaterial()) && (U.smooth = r.object.smooth)) : "\0" !== o && console.warn('THREE.OBJLoader: Unexpected line: "' + o + '"');
            r.finalize();
            var T = new us;
            T.materialLibraries = [].concat(r.materialLibraries);
            var e = !(1 === r.objects.length && 0 === r.objects[0].geometry.vertices.length);
            if (!0 == e)
                for (u = 0,
                c = r.objects.length; u < c; u++) {
                    var S, C = r.objects[u], P = C.geometry, D = C.materials, k = "Line" === P.type, B = "Points" === P.type, L = !1;
                    if (0 !== P.vertices.length) {
                        (S = new Mr).setAttribute("position", new dr(P.vertices,3)),
                        0 < P.normals.length && S.setAttribute("normal", new dr(P.normals,3)),
                        0 < P.colors.length && (L = !0,
                        S.setAttribute("color", new dr(P.colors,3))),
                        !0 === P.hasUVIndices && S.setAttribute("uv", new dr(P.uvs,2));
                        for (var R, F = [], I = 0, O = D.length; I < O; I++) {
                            var z, N = (G = D[I]).name + "_" + G.smooth + "_" + L, U = r.materials[N];
                            null !== this.materials && (U = this.materials.create(G.name),
                            !k || !U || U instanceof tl ? !B || !U || U instanceof hl || (z = new hl({
                                size: 10,
                                sizeAttenuation: !1
                            }),
                            Ki.prototype.copy.call(z, U),
                            z.color.copy(U.color),
                            z.map = U.map,
                            U = z) : (z = new tl,
                            Ki.prototype.copy.call(z, U),
                            z.color.copy(U.color),
                            U = z)),
                            void 0 === U && ((U = k ? new tl : B ? new hl({
                                size: 1,
                                sizeAttenuation: !1
                            }) : new ju).name = G.name,
                            U.flatShading = !G.smooth,
                            U.vertexColors = L,
                            r.materials[N] = U),
                            F.push(U)
                        }
                        if (1 < F.length) {
                            for (I = 0,
                            O = D.length; I < O; I++) {
                                var G = D[I];
                                S.addGroup(G.groupStart, G.groupCount, I)
                            }
                            R = new (k ? cl : B ? gl : Hr)(S,F)
                        } else
                            R = new (k ? cl : B ? gl : Hr)(S,F[0]);
                        R.name = C.name,
                        T.add(R)
                    }
                }
            else
                0 < r.vertices.length && (U = new hl({
                    size: 1,
                    sizeAttenuation: !1
                }),
                (S = new Mr).setAttribute("position", new dr(r.vertices,3)),
                0 < r.colors.length && void 0 !== r.colors[0] && (S.setAttribute("color", new dr(r.colors,3)),
                U.vertexColors = !0),
                e = new gl(S,U),
                T.add(e));
            return T
        }
    }),
    ix);
    function nx() {
        var e = {
            objects: [],
            object: {},
            vertices: [],
            normals: [],
            colors: [],
            uvs: [],
            materials: {},
            materialLibraries: [],
            startObject: function(e, t) {
                if (this.object && !1 === this.object.fromDeclaration)
                    return this.object.name = e,
                    void (this.object.fromDeclaration = !1 !== t);
                var n = this.object && "function" == typeof this.object.currentMaterial ? this.object.currentMaterial() : void 0;
                this.object && "function" == typeof this.object._finalize && this.object._finalize(!0),
                this.object = {
                    name: e || "",
                    fromDeclaration: !1 !== t,
                    geometry: {
                        vertices: [],
                        normals: [],
                        colors: [],
                        uvs: [],
                        hasUVIndices: !1
                    },
                    materials: [],
                    smooth: !0,
                    startMaterial: function(e, t) {
                        var n = this._finalize(!1);
                        n && (n.inherited || n.groupCount <= 0) && this.materials.splice(n.index, 1);
                        n = {
                            index: this.materials.length,
                            name: e || "",
                            mtllib: Array.isArray(t) && 0 < t.length ? t[t.length - 1] : "",
                            smooth: (void 0 !== n ? n : this).smooth,
                            groupStart: void 0 !== n ? n.groupEnd : 0,
                            groupEnd: -1,
                            groupCount: -1,
                            inherited: !1,
                            clone: function(e) {
                                e = {
                                    index: "number" == typeof e ? e : this.index,
                                    name: this.name,
                                    mtllib: this.mtllib,
                                    smooth: this.smooth,
                                    groupStart: 0,
                                    groupEnd: -1,
                                    groupCount: -1,
                                    inherited: !1
                                };
                                return e.clone = this.clone.bind(e),
                                e
                            }
                        };
                        return this.materials.push(n),
                        n
                    },
                    currentMaterial: function() {
                        if (0 < this.materials.length)
                            return this.materials[this.materials.length - 1]
                    },
                    _finalize: function(e) {
                        var t = this.currentMaterial();
                        if (t && -1 === t.groupEnd && (t.groupEnd = this.geometry.vertices.length / 3,
                        t.groupCount = t.groupEnd - t.groupStart,
                        t.inherited = !1),
                        e && 1 < this.materials.length)
                            for (var n = this.materials.length - 1; 0 <= n; n--)
                                this.materials[n].groupCount <= 0 && this.materials.splice(n, 1);
                        return e && 0 === this.materials.length && this.materials.push({
                            name: "",
                            smooth: this.smooth
                        }),
                        t
                    }
                },
                n && n.name && "function" == typeof n.clone && ((n = n.clone(0)).inherited = !0,
                this.object.materials.push(n)),
                this.objects.push(this.object)
            },
            finalize: function() {
                this.object && "function" == typeof this.object._finalize && this.object._finalize(!0)
            },
            parseVertexIndex: function(e, t) {
                e = parseInt(e, 10);
                return 3 * (0 <= e ? e - 1 : e + t / 3)
            },
            parseNormalIndex: function(e, t) {
                e = parseInt(e, 10);
                return 3 * (0 <= e ? e - 1 : e + t / 3)
            },
            parseUVIndex: function(e, t) {
                e = parseInt(e, 10);
                return 2 * (0 <= e ? e - 1 : e + t / 2)
            },
            addVertex: function(e, t, n) {
                var i = this.vertices
                  , r = this.object.geometry.vertices;
                r.push(i[e + 0], i[e + 1], i[e + 2]),
                r.push(i[t + 0], i[t + 1], i[t + 2]),
                r.push(i[n + 0], i[n + 1], i[n + 2])
            },
            addVertexPoint: function(e) {
                var t = this.vertices;
                this.object.geometry.vertices.push(t[e + 0], t[e + 1], t[e + 2])
            },
            addVertexLine: function(e) {
                var t = this.vertices;
                this.object.geometry.vertices.push(t[e + 0], t[e + 1], t[e + 2])
            },
            addNormal: function(e, t, n) {
                var i = this.normals
                  , r = this.object.geometry.normals;
                r.push(i[e + 0], i[e + 1], i[e + 2]),
                r.push(i[t + 0], i[t + 1], i[t + 2]),
                r.push(i[n + 0], i[n + 1], i[n + 2])
            },
            addFaceNormal: function(e, t, n) {
                var i = this.vertices
                  , r = this.object.geometry.normals;
                Nb.fromArray(i, e),
                Ub.fromArray(i, t),
                Gb.fromArray(i, n),
                Vb.subVectors(Gb, Ub),
                Hb.subVectors(Nb, Ub),
                Vb.cross(Hb),
                Vb.normalize(),
                r.push(Vb.x, Vb.y, Vb.z),
                r.push(Vb.x, Vb.y, Vb.z),
                r.push(Vb.x, Vb.y, Vb.z)
            },
            addColor: function(e, t, n) {
                var i = this.colors
                  , r = this.object.geometry.colors;
                void 0 !== i[e] && r.push(i[e + 0], i[e + 1], i[e + 2]),
                void 0 !== i[t] && r.push(i[t + 0], i[t + 1], i[t + 2]),
                void 0 !== i[n] && r.push(i[n + 0], i[n + 1], i[n + 2])
            },
            addUV: function(e, t, n) {
                var i = this.uvs
                  , r = this.object.geometry.uvs;
                r.push(i[e + 0], i[e + 1]),
                r.push(i[t + 0], i[t + 1]),
                r.push(i[n + 0], i[n + 1])
            },
            addDefaultUV: function() {
                var e = this.object.geometry.uvs;
                e.push(0, 0),
                e.push(0, 0),
                e.push(0, 0)
            },
            addUVLine: function(e) {
                var t = this.uvs;
                this.object.geometry.uvs.push(t[e + 0], t[e + 1])
            },
            addFace: function(e, t, n, i, r, a, o, s, l) {
                var u, c = this.vertices.length, e = this.parseVertexIndex(e, c), t = this.parseVertexIndex(t, c), c = this.parseVertexIndex(n, c);
                this.addVertex(e, t, c),
                this.addColor(e, t, c),
                void 0 !== o && "" !== o ? (u = this.normals.length,
                e = this.parseNormalIndex(o, u),
                t = this.parseNormalIndex(s, u),
                c = this.parseNormalIndex(l, u),
                this.addNormal(e, t, c)) : this.addFaceNormal(e, t, c),
                void 0 !== i && "" !== i ? (u = this.uvs.length,
                e = this.parseUVIndex(i, u),
                t = this.parseUVIndex(r, u),
                c = this.parseUVIndex(a, u),
                this.addUV(e, t, c),
                this.object.geometry.hasUVIndices = !0) : this.addDefaultUV()
            },
            addPointGeometry: function(e) {
                this.object.geometry.type = "Points";
                for (var t = this.vertices.length, n = 0, i = e.length; n < i; n++) {
                    var r = this.parseVertexIndex(e[n], t);
                    this.addVertexPoint(r),
                    this.addColor(r)
                }
            },
            addLineGeometry: function(e, t) {
                this.object.geometry.type = "Line";
                for (var n = this.vertices.length, i = this.uvs.length, r = 0, a = e.length; r < a; r++)
                    this.addVertexLine(this.parseVertexIndex(e[r], n));
                for (var o = 0, a = t.length; o < a; o++)
                    this.addUVLine(this.parseUVIndex(t[o], i))
            }
        };
        return e.startObject("", !1),
        e
    }
    function ix(e) {
        mc.call(this, e),
        this.materials = null
    }
    function rx(e) {
        mc.call(this, e)
    }
    rx.prototype = Object.assign(Object.create(mc.prototype), {
        constructor: rx,
        load: function(t, n, e, i) {
            var r = this
              , a = "" === this.path ? ld.extractUrlBase(t) : this.path
              , o = new gc(this.manager);
            o.setPath(this.path),
            o.setRequestHeader(this.requestHeader),
            o.setWithCredentials(this.withCredentials),
            o.load(t, function(e) {
                try {
                    n(r.parse(e, a))
                } catch (e) {
                    i ? i(e) : console.error(e),
                    r.manager.itemError(t)
                }
            }, e, i)
        },
        setMaterialOptions: function(e) {
            return this.materialOptions = e,
            this
        },
        parse: function(e, t) {
            for (var n = e.split("\n"), i = {}, r = /\s+/, a = {}, o = 0; o < n.length; o++) {
                var s, l, u = (u = n[o]).trim();
                0 !== u.length && "#" !== u.charAt(0) && (s = (s = 0 <= (l = u.indexOf(" ")) ? u.substring(0, l) : u).toLowerCase(),
                u = (u = 0 <= l ? u.substring(l + 1) : "").trim(),
                "newmtl" === s ? a[u] = i = {
                    name: u
                } : "ka" === s || "kd" === s || "ks" === s || "ke" === s ? (l = u.split(r, 3),
                i[s] = [parseFloat(l[0]), parseFloat(l[1]), parseFloat(l[2])]) : i[s] = u)
            }
            t = new rx.MaterialCreator(this.resourcePath || t,this.materialOptions);
            return t.setCrossOrigin(this.crossOrigin),
            t.setManager(this.manager),
            t.setMaterials(a),
            t
        }
    }),
    (rx.MaterialCreator = function(e, t) {
        this.baseUrl = e || "",
        this.options = t,
        this.materialsInfo = {},
        this.materials = {},
        this.materialsArray = [],
        this.nameLookup = {},
        this.side = this.options && this.options.side ? this.options.side : q,
        this.wrap = this.options && this.options.wrap ? this.options.wrap : ke
    }
    ).prototype = {
        constructor: rx.MaterialCreator,
        crossOrigin: "anonymous",
        setCrossOrigin: function(e) {
            return this.crossOrigin = e,
            this
        },
        setManager: function(e) {
            this.manager = e
        },
        setMaterials: function(e) {
            this.materialsInfo = this.convert(e),
            this.materials = {},
            this.materialsArray = [],
            this.nameLookup = {}
        },
        convert: function(e) {
            if (!this.options)
                return e;
            var t, n = {};
            for (t in e) {
                var i, r = e[t], a = {};
                for (i in n[t] = a,
                r) {
                    var o = !0
                      , s = r[i]
                      , l = i.toLowerCase();
                    switch (l) {
                    case "kd":
                    case "ka":
                    case "ks":
                        this.options && this.options.normalizeRGB && (s = [s[0] / 255, s[1] / 255, s[2] / 255]),
                        this.options && this.options.ignoreZeroRGBs && 0 === s[0] && 0 === s[1] && 0 === s[2] && (o = !1)
                    }
                    o && (a[l] = s)
                }
            }
            return n
        },
        preload: function() {
            for (var e in this.materialsInfo)
                this.create(e)
        },
        getIndex: function(e) {
            return this.nameLookup[e]
        },
        getAsArray: function() {
            var e, t = 0;
            for (e in this.materialsInfo)
                this.materialsArray[t] = this.create(e),
                this.nameLookup[e] = t,
                t++;
            return this.materialsArray
        },
        create: function(e) {
            return void 0 === this.materials[e] && this.createMaterial_(e),
            this.materials[e]
        },
        createMaterial_: function(e) {
            var t, r = this, n = this.materialsInfo[e], a = {
                name: e,
                side: this.side
            };
            function i(e, t) {
                var n, i;
                a[e] || (n = r.getTextureParams(t, a),
                (t = r.loadTexture((i = r.baseUrl,
                "string" != typeof (t = n.url) || "" === t ? "" : /^https?:\/\//i.test(t) ? t : i + t))).repeat.copy(n.scale),
                t.offset.copy(n.offset),
                t.wrapS = r.wrap,
                t.wrapT = r.wrap,
                a[e] = t)
            }
            for (t in n) {
                var o, s = n[t];
                if ("" !== s)
                    switch (t.toLowerCase()) {
                    case "kd":
                        a.color = (new Yi).fromArray(s);
                        break;
                    case "ks":
                        break;
                    case "ke":
                        a.emissive = (new Yi).fromArray(s);
                        break;
                    case "map_kd":
                        i("map", s);
                        break;
                    case "map_ks":
                        i("specularMap", s);
                        break;
                    case "map_ke":
                        i("emissiveMap", s);
                        break;
                    case "norm":
                        i("normalMap", s);
                        break;
                    case "map_bump":
                    case "bump":
                        i("bumpMap", s);
                        break;
                    case "map_d":
                        i("alphaMap", s),
                        a.transparent = !0;
                        break;
                    case "ns":
                        break;
                    case "d":
                        (o = parseFloat(s)) < 1 && (a.opacity = o,
                        a.transparent = !0);
                        break;
                    case "tr":
                        o = parseFloat(s),
                        0 < (o = this.options && this.options.invertTrProperty ? 1 - o : o) && (a.opacity = 1 - o,
                        a.transparent = !0)
                    }
            }
            return this.materials[e] = new Hu(a),
            this.materials[e]
        },
        getTextureParams: function(e, t) {
            var n = {
                scale: new yn(1,1),
                offset: new yn(0,0)
            }
              , i = e.split(/\s+/)
              , e = i.indexOf("-bm");
            return 0 <= e && (t.bumpScale = parseFloat(i[e + 1]),
            i.splice(e, 2)),
            0 <= (e = i.indexOf("-s")) && (n.scale.set(parseFloat(i[e + 1]), parseFloat(i[e + 2])),
            i.splice(e, 4)),
            0 <= (e = i.indexOf("-o")) && (n.offset.set(parseFloat(i[e + 1]), parseFloat(i[e + 2])),
            i.splice(e, 4)),
            n.url = i.join(" ").trim(),
            n
        },
        loadTexture: function(e, t, n, i, r) {
            var a = void 0 !== this.manager ? this.manager : fc
              , o = a.getHandler(e);
            return (o = null === o ? new _c(a) : o).setCrossOrigin && o.setCrossOrigin(this.crossOrigin),
            r = o.load(e, n, i, r),
            void 0 !== t && (r.mapping = t),
            r
        }
    };
    function ax() {
        this.enabled = !0,
        this.needsSwap = !0,
        this.clear = !1,
        this.renderToScreen = !1
    }
    Object.assign(ax.prototype, {
        setSize: function(e, t) {},
        render: function(e, t, n, i, r) {
            console.error("THREE.Pass: .render() must be implemented in derived pass.")
        }
    });
    function ox(e, t) {
        ax.call(this),
        this.textureID = void 0 !== t ? t : "tDiffuse",
        e instanceof Qr ? (this.uniforms = e.uniforms,
        this.material = e) : e && (this.uniforms = Jr.clone(e.uniforms),
        this.material = new Qr({
            defines: Object.assign({}, e.defines),
            uniforms: this.uniforms,
            vertexShader: e.vertexShader,
            fragmentShader: e.fragmentShader,
            transparent: !0
        })),
        this.camera = new ed(-1,1,1,-1,0,1),
        this.scene = new gs,
        this.quad = new Hr(new ua(2,2),null),
        this.quad.frustumCulled = !1,
        this.scene.add(this.quad)
    }
    ox.prototype = Object.assign(Object.create(ax.prototype), {
        constructor: ox,
        render: function(e, t, n, i, r, a, o) {
            var s = n.getRenderTarget();
            this.uniforms[this.textureID] && (this.uniforms[this.textureID].value = r.texture),
            this.quad.material = this.material,
            this.renderToScreen ? n.render(this.scene, this.camera) : (n.setRenderTarget(i),
            this.clear && n.clear(),
            n.render(this.scene, this.camera),
            n.setRenderTarget(s))
        }
    });
    function sx(e, t) {
        ax.call(this),
        this.sampleLevel = 4,
        this.unbiased = !0,
        this.clearColor = void 0 !== e ? e : 0,
        this.clearAlpha = void 0 !== t ? t : 0,
        this.renderUniforms = {
            bgTex: {
                value: null
            },
            outlineTex: {
                value: null
            },
            opacity: {
                value: 1
            }
        },
        this.renderMat = new Qr({
            uniforms: this.renderUniforms,
            vertexShader: lx.vertexShader,
            fragmentShader: " \n            uniform sampler2D bgTex;  \n            uniform sampler2D outlineTex; \n            uniform float opacity;\n            varying vec2 vUv;\n            void main() {\n                vec4 color1 = texture2D( bgTex, vUv );\n                vec4 color2 = texture2D( outlineTex, vUv );  \n                gl_FragColor = opacity * mix(color1, color2, color2.a)  ;\n                 \n                \n            } \n        ",
            premultipliedAlpha: !0,
            blending: ee,
            depthTest: !1,
            depthWrite: !1,
            transparent: !0
        }),
        this.renderMat2 = new Qr({
            uniforms: Jr.clone(lx.uniforms),
            vertexShader: lx.vertexShader,
            fragmentShader: "uniform float opacity; \n            uniform sampler2D tDiffuse; \n            varying vec2 vUv;\n\n            void main() {\n     \n                vec4 texel = texture2D( tDiffuse, vUv );  \n                \n                if(texel.r == 0.0 && texel.g == 0.0 && texel.b == 0.0){\n                    discard;\n                }else{\n                    gl_FragColor = opacity * texel;\n                }\n            }    \n        ",
            depthTest: !1,
            depthWrite: !1,
            transparent: !0
        }),
        this.camera2 = new ed(-1,1,1,-1,0,1),
        this.scene2 = new gs,
        this.quad2 = new Hr(new ua(2,2),this.renderMat),
        this.quad2.frustumCulled = !1,
        this.scene2.add(this.quad2),
        this.copyPass = new ox(lx),
        this.copyPass.renderToScreen = !0
    }
    var lx = {
        uniforms: {
            tDiffuse: {
                value: null
            },
            opacity: {
                value: 1
            }
        },
        vertexShader: ["varying vec2 vUv;", "void main() {", "vUv = uv;", "gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", "}"].join("\n"),
        fragmentShader: ["uniform float opacity;", "uniform sampler2D tDiffuse;", "varying vec2 vUv;", "void main() {", "vec4 texel = texture2D( tDiffuse, vUv );", "gl_FragColor = opacity * texel;", "}"].join("\n")
    };
    sx.prototype = Object.assign(Object.create(ax.prototype), {
        constructor: sx,
        dispose: function() {
            this.sampleRenderTarget && (this.sampleRenderTarget.dispose(),
            this.sampleRenderTarget = null)
        },
        setSize: function(e, t) {
            this.sampleRenderTarget && this.sampleRenderTarget.setSize(e, t),
            this.childPass && this.childPass.setSize(e, t)
        },
        addPass: function(e) {
            this.childPass = e
        },
        render: function(e, t, n, i, r, a, o, s) {
            this.useCopy && (e = this.copyPass.scene,
            t = this.copyPass.camera),
            this.sampleRenderTarget || (this.sampleRenderTarget = new An(a.width,a.height,{
                minFilter: Oe,
                magFilter: Oe,
                format: et
            }),
            this.sampleRenderTarget.texture.name = "SSAARenderPass.sample");
            var l = sx.JitterVectors[Math.max(0, Math.min(this.sampleLevel, 5))]
              , u = i.autoClear;
            i.autoClear = !1;
            var c = i.getClearColor(new Yi).getHex()
              , d = i.getClearAlpha();
            i.setClearColor(this.clearColor, this.clearAlpha);
            var h, p, f = 1 / l.length, m = i.getRenderTarget();
            p = m ? m.scissorTest ? (h = m.scissor.w,
            m.scissor.z) : (h = m.width,
            m.height) : (h = a.width,
            a.height);
            for (var v = 0; v < l.length; v++) {
                var g = l[v];
                t.setViewOffset && t.setViewOffset(h, p, .0625 * g[0], .0625 * g[1], h, p);
                var y = f;
                this.unbiased && (y += 1 / 32 * ((v + .5) / l.length - .5)),
                i.setRenderTarget(this.sampleRenderTarget),
                i.clear(),
                this.useCopy ? this.copyPass.render(e, t, i, r, a) : s ? s({
                    target: this.sampleRenderTarget
                }) : i.render(e, t),
                i.setRenderTarget(m);
                g = this.childPass && this.childPass.render(e, t, i, r, a, null, s);
                this.renderUniforms.bgTex.value = this.sampleRenderTarget.texture,
                this.renderUniforms.outlineTex.value = g ? a.texture : null,
                this.renderUniforms.opacity.value = y,
                this.renderToScreen || i.setRenderTarget(r),
                0 === v && (i.setClearColor(0, 0),
                i.clear()),
                i.render(this.scene2, this.camera2),
                this.renderToScreen || i.setRenderTarget(m)
            }
            t.clearViewOffset && t.clearViewOffset(),
            i.autoClear = u,
            i.setClearColor(c, d)
        }
    }),
    sx.JitterVectors = [[[0, 0]], [[4, 4], [-4, -4]], [[-2, -6], [6, -2], [-6, 2], [2, 6]], [[1, -3], [-1, 3], [5, 1], [-3, -5], [-5, 5], [-7, -1], [3, 7], [7, -7]], [[1, 1], [-1, -3], [-3, 2], [4, -1], [-5, -2], [2, 5], [5, 3], [3, -5], [-2, 6], [0, -7], [-4, -6], [-6, 4], [-8, 0], [7, -4], [6, 7], [-7, -8]], [[-4, -7], [-7, -5], [-3, -5], [-5, -4], [-1, -4], [-2, -2], [-6, -1], [-4, 0], [-7, 1], [-1, 2], [-6, 3], [-3, 3], [-7, 6], [-3, 6], [-5, 7], [-1, 7], [5, -7], [1, -6], [6, -5], [4, -4], [2, -3], [7, -2], [1, -1], [4, -1], [2, 1], [6, 2], [0, 4], [4, 4], [2, 5], [7, 5], [5, 6], [3, 7]]];
    function ux(e, t) {
        var n;
        this.renderer = e,
        void 0 === t && (n = {
            minFilter: Oe,
            magFilter: Oe,
            format: et,
            stencilBuffer: !1
        },
        (t = new An((e = e.getDrawingBufferSize(new yn)).width,e.height,n)).texture.name = "EffectComposer.rt1"),
        this.renderTarget1 = t,
        this.renderTarget2 = t.clone(),
        this.renderTarget2.texture.name = "EffectComposer.rt2",
        this.writeBuffer = this.renderTarget1,
        this.readBuffer = this.renderTarget2,
        this.passes = [],
        this.copyPass = new ox(lx)
    }
    var cx = function() {
        y(r, ax);
        var i = w(r);
        function r(e, t) {
            var n;
            return O(this, r),
            (n = i.call(this)).scene = e,
            n.camera = t,
            n.clear = !0,
            n.needsSwap = !1,
            n.inverse = !1,
            n
        }
        return h(r, [{
            key: "render",
            value: function(e, t, n) {
                var i, r, a = e.getContext(), o = e.state;
                o.buffers.color.setMask(!1),
                o.buffers.depth.setMask(!1),
                o.buffers.color.setLocked(!0),
                o.buffers.depth.setLocked(!0),
                r = this.inverse ? (i = 0,
                1) : (i = 1,
                0),
                o.buffers.stencil.setTest(!0),
                o.buffers.stencil.setOp(a.REPLACE, a.REPLACE, a.REPLACE),
                o.buffers.stencil.setFunc(a.ALWAYS, i, 4294967295),
                o.buffers.stencil.setClear(r),
                o.buffers.stencil.setLocked(!0),
                e.setRenderTarget(n),
                this.clear && e.clear(),
                e.render(this.scene, this.camera),
                e.setRenderTarget(t),
                this.clear && e.clear(),
                e.render(this.scene, this.camera),
                o.buffers.color.setLocked(!1),
                o.buffers.depth.setLocked(!1),
                o.buffers.stencil.setLocked(!1),
                o.buffers.stencil.setFunc(a.EQUAL, 1, 4294967295),
                o.buffers.stencil.setOp(a.KEEP, a.KEEP, a.KEEP),
                o.buffers.stencil.setLocked(!0)
            }
        }]),
        r
    }()
      , dx = function() {
        y(n, ax);
        var t = w(n);
        function n() {
            var e;
            return O(this, n),
            (e = t.call(this)).needsSwap = !1,
            e
        }
        return h(n, [{
            key: "render",
            value: function(e) {
                e.state.buffers.stencil.setLocked(!1),
                e.state.buffers.stencil.setTest(!1)
            }
        }]),
        n
    }();
    Object.assign(ux.prototype, {
        swapBuffers: function() {
            var e = this.readBuffer;
            this.readBuffer = this.writeBuffer,
            this.writeBuffer = e
        },
        addPass: function(e) {
            this.passes.push(e);
            var t = this.renderer.getDrawingBufferSize(new yn);
            e.setSize(t.width, t.height)
        },
        removePass: function(e) {
            e = this.passes.indexOf(e);
            -1 < e && this.passes.splice(e, 1)
        },
        insertPass: function(e, t) {
            this.passes.splice(t, 0, e)
        },
        render: function(e, t, n, i) {
            var r, a, o, s = !1, l = this.passes.filter(function(e) {
                return e.enabled
            }), u = l.length;
            for (this.readTarget && this.copyPass.render(e, this.renderer, this.readBuffer, this.renderer.getRenderTarget()),
            r = 0; r < u; r++)
                (o = l[r]).render(e, t, n, this.renderer, this.writeBuffer, this.readBuffer, s, i),
                o.needsSwap && (s && ((a = this.renderer.context).stencilFunc(a.NOTEQUAL, 1, 4294967295),
                this.copyPass.render(this.renderer, this.writeBuffer, this.readBuffer),
                a.stencilFunc(a.EQUAL, 1, 4294967295)),
                this.swapBuffers()),
                void 0 !== cx && (o instanceof cx ? s = !0 : o instanceof dx && (s = !1));
            o.renderToScreen || (this.copyPass.renderToScreen = !0,
            this.copyPass.render(null, null, this.renderer, this.writeBuffer, this.readBuffer))
        },
        reset: function(e) {
            var t;
            void 0 === e && (t = this.renderer.getDrawingBufferSize(new yn),
            (e = this.renderTarget1.clone()).setSize(t.width, t.height)),
            this.renderTarget1.dispose(),
            this.renderTarget2.dispose(),
            this.renderTarget1 = e,
            this.renderTarget2 = e.clone(),
            this.writeBuffer = this.renderTarget1,
            this.readBuffer = this.renderTarget2
        },
        setSize: function(e, t, n) {
            this.renderTarget1.setSize(e * (n = n || 1), t * n),
            this.renderTarget2.setSize(e * n, t * n);
            for (var i = 0; i < this.passes.length; i++)
                this.passes[i].setSize(e * n, t * n)
        }
    });
    function hx(e) {
        this.selectedObjects = void 0 !== e ? e : [],
        this.visibleEdgeColor = new Yi(1,1,1),
        this.hiddenEdgeColor = new Yi(.1,.04,.02),
        this.edgeGlow = 0,
        this.usePatternTexture = !1,
        this.edgeStrength = 50,
        this.downSampleRatio = 1,
        this.pulsePeriod = 0,
        ax.call(this),
        this.resolution = new yn(256,256);
        var t = {
            minFilter: Oe,
            magFilter: Oe,
            format: et
        }
          , n = Math.round(this.resolution.x / this.downSampleRatio)
          , e = Math.round(this.resolution.y / this.downSampleRatio);
        this.renderTargetMaskBuffer = new An(this.resolution.x,this.resolution.y,t),
        this.renderTargetMaskBuffer.texture.name = "OutlinePass.mask",
        this.renderTargetMaskBuffer.texture.generateMipmaps = !1,
        this.depthMaterial = new es,
        this.depthMaterial.side = Y,
        this.depthMaterial.depthPacking = on,
        this.depthMaterial.blending = Z,
        this.prepareMaskMaterial = this.getPrepareMaskMaterial(),
        this.prepareMaskMaterial.side = Y,
        this.renderTargetDepthBuffer = new An(this.resolution.x,this.resolution.y,t),
        this.renderTargetDepthBuffer.texture.name = "OutlinePass.depth",
        this.renderTargetDepthBuffer.texture.generateMipmaps = !1,
        this.edgeDetectionMaterial = this.getEdgeDetectionMaterial(this.edgeStrength),
        this.renderTargetEdgeBuffer1 = new An(n,e,t),
        this.renderTargetEdgeBuffer1.texture.name = "OutlinePass.edge1",
        this.renderTargetEdgeBuffer1.texture.generateMipmaps = !1,
        this.overlayMaterial = this.getOverlayMaterial(),
        this.copyUniforms = Jr.clone(lx.uniforms),
        this.copyUniforms.opacity.value = 1,
        this.materialCopy = new Qr({
            uniforms: this.copyUniforms,
            vertexShader: lx.vertexShader,
            fragmentShader: lx.fragmentShader,
            blending: Z,
            depthTest: !1,
            depthWrite: !1,
            transparent: !0
        }),
        this.enabled = !0,
        this.needsSwap = !1,
        this.oldClearColor = new Yi,
        this.oldClearAlpha = 1,
        this.camera = new ed(-1,1,1,-1,0,1),
        this.scene = new gs,
        this.quad = new Hr(new ua(2,2),null),
        this.quad.frustumCulled = !1,
        this.scene.add(this.quad),
        this.textureMatrix = new ni
    }
    new yn(1 / 1024,1 / 512);
    hx.prototype = Object.assign(Object.create(ax.prototype), {
        constructor: hx,
        dispose: function() {
            this.renderTargetMaskBuffer.dispose(),
            this.renderTargetEdgeBuffer1.dispose(),
            this.renderTargetDepthBuffer.dispose()
        },
        replaceDepthToViewZ: function(e) {
            e = e.isPerspectiveCamera ? "perspective" : "orthographic";
            e != this.lastCameraType && (this.lastCameraType = e,
            this.prepareMaskMaterial.fragmentShader = this.prepareMaskMaterial.fragmentShader.replace(/DEPTH_TO_VIEW_Z/g, e + "DepthToViewZ"),
            this.prepareMaskMaterial.needsUpdate = !0)
        },
        setSize: function(e, t) {
            this.renderTargetEdgeBuffer1.setSize(e, t),
            this.renderTargetMaskBuffer.setSize(e, t),
            this.resolution.set(e, t)
        },
        changeVisibilityOfSelectedObjects: function(t) {
            function e(e) {
                (e.isPointcloud || e.isMesh || e.isLine || e.isSprite) && viewer.updateVisible(e, "overlinePass", t)
            }
            for (var n = 0; n < this.selectedObjects.length; n++)
                this.selectedObjects[n].traverse(e)
        },
        changeVisibilityOfNonSelectedObjects: function(r, e) {
            var a = [];
            function t(e) {
                (e.isPointcloud || e.isMesh || e.isLine || e.isSprite) && a.push(e)
            }
            for (var n = 0; n < this.selectedObjects.length; n++)
                this.selectedObjects[n].traverse(t);
            function i(e) {
                if (e.isPointcloud || e.isMesh || e.isLine || e.isSprite) {
                    for (var t = !1, n = 0; n < a.length; n++)
                        if (a[n].id === e.id) {
                            t = !0;
                            break
                        }
                    if (!t) {
                        var i = e.visible;
                        return viewer.updateVisible(e, "overlinePass", r),
                        e.visible = !!r && !!e.bVisible,
                        e.bVisible = i,
                        {
                            stopContinue: !0
                        }
                    }
                }
            }
            e.forEach(function(e) {
                return e.traverse(i)
            })
        },
        updateTextureMatrix: function(e) {
            this.textureMatrix.set(.5, 0, 0, .5, 0, .5, 0, .5, 0, 0, .5, .5, 0, 0, 0, 1),
            this.textureMatrix.multiply(e.projectionMatrix),
            this.textureMatrix.multiply(e.matrixWorldInverse)
        },
        render: function(t, n, e, i, r, a, o, s) {
            var l = this;
            if (t instanceof Array || (t = [t]),
            0 < this.selectedObjects.length) {
                var u = function(e) {
                    s ? s({
                        target: e,
                        dontRenderRtEDL: !(1 < arguments.length && void 0 !== arguments[1]) || arguments[1]
                    }) : (i.setRenderTarget(e),
                    i.clear(),
                    t.forEach(function(e) {
                        return i.render(e, n)
                    }))
                };
                e.forEach(function(e) {
                    return e.beforeRender = function() {
                        l.replaceDepthToViewZ(e.camera)
                    }
                }),
                this.oldClearColor.copy(i.getClearColor(new Yi)),
                this.oldClearAlpha = i.getClearAlpha();
                var c = i.autoClear
                  , d = i.getRenderTarget();
                i.autoClear = !1,
                o && i.context.disable(i.context.STENCIL_TEST),
                i.setClearColor(16777215, 1),
                this.changeVisibilityOfSelectedObjects(!1),
                t.forEach(function(e) {
                    e.currentBackground = e.background,
                    e.background = null,
                    e.overrideMaterial = l.depthMaterial
                }),
                u(this.renderTargetDepthBuffer),
                this.changeVisibilityOfSelectedObjects(!0),
                e.forEach(function(e) {
                    return e.beforeRender = function() {
                        l.updateTextureMatrix(e.camera),
                        l.prepareMaskMaterial.uniforms.cameraNearFar.value = new yn(e.camera.near,e.camera.far)
                    }
                }),
                this.changeVisibilityOfNonSelectedObjects(!1, t),
                t.forEach(function(e) {
                    e.overrideMaterial = l.prepareMaskMaterial
                }),
                this.prepareMaskMaterial.uniforms.depthTexture.value = this.renderTargetDepthBuffer.texture,
                this.prepareMaskMaterial.uniforms.textureMatrix.value = this.textureMatrix,
                u(this.renderTargetMaskBuffer),
                e.forEach(function(e) {
                    e.beforeRender = null
                }),
                this.changeVisibilityOfNonSelectedObjects(!0, t),
                t.forEach(function(e) {
                    e.overrideMaterial = null,
                    e.background = e.currentBackground
                }),
                this.quad.material = this.edgeDetectionMaterial,
                this.edgeDetectionMaterial.uniforms.maskTexture.value = this.renderTargetMaskBuffer.texture,
                this.edgeDetectionMaterial.uniforms.texSize.value = new yn(this.resolution.x,this.resolution.y),
                this.edgeDetectionMaterial.uniforms.thickness.value = this.edgeStrength,
                this.edgeDetectionMaterial.uniforms.visibleEdgeColor.value = this.visibleEdgeColor,
                this.edgeDetectionMaterial.uniforms.hiddenEdgeColor.value = this.hiddenEdgeColor;
                a = a;
                return this.renderToScreen ? (this.quad.material.transparent = !0,
                a = null,
                i.setClearColor(this.oldClearColor, this.oldClearAlpha),
                u(null, !1),
                u = i.getSize(new yn),
                i.setViewport(0, 0, u.x, u.y),
                i.setScissorTest(!1)) : (i.setClearColor(0, 0),
                i.clear()),
                i.setRenderTarget(a),
                i.render(this.scene, this.camera),
                i.setRenderTarget(d),
                i.setClearColor(this.oldClearColor, this.oldClearAlpha),
                i.autoClear = c,
                !0
            }
        },
        getPrepareMaskMaterial: function() {
            return new Qr({
                uniforms: {
                    depthTexture: {
                        value: null
                    },
                    cameraNearFar: {
                        value: new yn(.5,.5)
                    },
                    textureMatrix: {
                        value: new ni
                    }
                },
                vertexShader: ["varying vec4 projTexCoord;", "varying vec4 vPosition;", "uniform mat4 textureMatrix;", "void main() {", "\tvPosition = modelViewMatrix * vec4( position, 1.0 );", "\tvec4 worldPosition = modelMatrix * vec4( position, 1.0 );", "\tprojTexCoord = textureMatrix * worldPosition;", "\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );", "}"].join("\n"),
                fragmentShader: ["#include <packing>", "varying vec4 vPosition;", "varying vec4 projTexCoord;", "uniform sampler2D depthTexture;", "uniform vec2 cameraNearFar;", "void main() {", "\tfloat depth = unpackRGBAToDepth(texture2DProj( depthTexture, projTexCoord ));", "\tfloat viewZ = - DEPTH_TO_VIEW_Z( depth, cameraNearFar.x, cameraNearFar.y );", "\tfloat depthTest = (-vPosition.z > viewZ) ? 1.0 : 0.0;", "\tgl_FragColor = vec4(0.0, depthTest, 1.0, 1.0);", "}"].join("\n")
            })
        },
        getEdgeDetectionMaterial: function(e) {
            return new Qr({
                uniforms: {
                    thickness: {
                        value: e
                    },
                    maskTexture: {
                        value: null
                    },
                    texSize: {
                        value: new yn(10,10)
                    },
                    visibleEdgeColor: {
                        value: new Cn(1,1,1)
                    },
                    hiddenEdgeColor: {
                        value: new Cn(1,1,1)
                    }
                },
                vertexShader: "varying vec2 vUv;\n\t\t\t\tvoid main() {\n\t\t\t\t\tvUv = uv;\n\t\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t\t}",
                fragmentShader: "varying vec2 vUv;\t\t\t\tuniform sampler2D maskTexture;                uniform float thickness;\t\t\t\tuniform vec2 texSize;\t\t\t\tuniform vec3 visibleEdgeColor;\t\t\t\tuniform vec3 hiddenEdgeColor;\t\t\t\t\t\t\t\tvoid main() {\n\t\t\t\t\tvec2 invSize = 1.0 / texSize;\t\t\t\t\tvec4 uvOffset = vec4(1.0, 0.0, 0.0, 1.0) * vec4(invSize, invSize);\t\t\t\t\tvec4 c1 = texture2D( maskTexture, vUv + uvOffset.xy);\t\t\t\t\tvec4 c2 = texture2D( maskTexture, vUv - uvOffset.xy);\t\t\t\t\tvec4 c3 = texture2D( maskTexture, vUv + uvOffset.yw);\t\t\t\t\tvec4 c4 = texture2D( maskTexture, vUv - uvOffset.yw);\t\t\t\t\tfloat diff1 = (c1.r - c2.r)*0.5;\t\t\t\t\tfloat diff2 = (c3.r - c4.r)*0.5;\t\t\t\t\tfloat d = length( vec2(diff1, diff2) ) * thickness;\t\t\t\t\tfloat a1 = min(c1.g, c2.g);\t\t\t\t\tfloat a2 = min(c3.g, c4.g);\t\t\t\t\tfloat visibilityFactor = min(a1, a2);\t\t\t\t\tvec3 edgeColor = 1.0 - visibilityFactor > 0.001 ? visibleEdgeColor : hiddenEdgeColor;\t\t\t\t\tgl_FragColor = vec4(edgeColor, 1.0) * vec4(d);\t\t\t\t}"
            })
        },
        getSeperableBlurMaterial: function(e) {
            return new Qr({
                defines: {
                    MAX_RADIUS: e
                },
                uniforms: {
                    colorTexture: {
                        value: null
                    },
                    texSize: {
                        value: new yn(.5,.5)
                    },
                    direction: {
                        value: new yn(.5,.5)
                    },
                    kernelRadius: {
                        value: 1
                    }
                },
                vertexShader: "varying vec2 vUv;\n\t\t\t\tvoid main() {\n\t\t\t\t\tvUv = uv;\n\t\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t\t}",
                fragmentShader: "#include <common>\t\t\t\tvarying vec2 vUv;\t\t\t\tuniform sampler2D colorTexture;\t\t\t\tuniform vec2 texSize;\t\t\t\tuniform vec2 direction;\t\t\t\tuniform float kernelRadius;\t\t\t\t\t\t\t\tfloat gaussianPdf(in float x, in float sigma) {\t\t\t\t\treturn 0.39894 * exp( -0.5 * x * x/( sigma * sigma))/sigma;\t\t\t\t}\t\t\t\tvoid main() {\t\t\t\t\tvec2 invSize = 1.0 / texSize;\t\t\t\t\tfloat weightSum = gaussianPdf(0.0, kernelRadius);\t\t\t\t\tvec3 diffuseSum = texture2D( colorTexture, vUv).rgb * weightSum;\t\t\t\t\tvec2 delta = direction * invSize * kernelRadius/float(MAX_RADIUS);\t\t\t\t\tvec2 uvOffset = delta;\t\t\t\t\tfor( int i = 1; i <= MAX_RADIUS; i ++ ) {\t\t\t\t\t\tfloat w = gaussianPdf(uvOffset.x, kernelRadius);\t\t\t\t\t\tvec3 sample1 = texture2D( colorTexture, vUv + uvOffset).rgb;\t\t\t\t\t\tvec3 sample2 = texture2D( colorTexture, vUv - uvOffset).rgb;\t\t\t\t\t\tdiffuseSum += ((sample1 + sample2) * w);\t\t\t\t\t\tweightSum += (2.0 * w);\t\t\t\t\t\tuvOffset += delta;\t\t\t\t\t}\t\t\t\t\tgl_FragColor = vec4(diffuseSum/weightSum, 1.0);\t\t\t\t}"
            })
        },
        getOverlayMaterial: function() {
            return new Qr({
                uniforms: {
                    maskTexture: {
                        value: null
                    },
                    edgeTexture1: {
                        value: null
                    },
                    edgeTexture2: {
                        value: null
                    },
                    patternTexture: {
                        value: null
                    },
                    edgeStrength: {
                        value: 1
                    },
                    edgeGlow: {
                        value: 1
                    },
                    usePatternTexture: {
                        value: 0
                    }
                },
                vertexShader: "varying vec2 vUv;\n\t\t\t\tvoid main() {\n\t\t\t\t\tvUv = uv;\n\t\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t\t}",
                fragmentShader: "varying vec2 vUv;   \n\t\t\t\tuniform sampler2D edgeTexture1;   \n\t\t\t\tuniform float edgeStrength;   \n\t\t\t\t \n\t\t\t\tvoid main() { \n\t\t\t\t\tgl_FragColor = edgeStrength * texture2D(edgeTexture1, vUv);  \n\t\t\t\t}",
                blending: ee,
                depthTest: !1,
                depthWrite: !1,
                transparent: !0
            })
        }
    }),
    hx.BlurDirectionX = new yn(1,0),
    hx.BlurDirectionY = new yn(0,1);
    var px, fx = function() {
        y(n, Qr);
        var t = w(n);
        function n() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
            return O(this, n),
            t.call(this, Object.assign({}, {
                uniforms: {
                    tDiffuse: {
                        type: "t",
                        value: e.map
                    },
                    alpha: {
                        type: "f",
                        value: 1
                    }
                },
                vertexShader: Hp["basicTextured.vs"],
                fragmentShader: Hp["basicTextured.fs"]
            }, e))
        }
        return h(n, [{
            key: "opacity",
            get: function() {
                return this.uniforms.alpha.value
            },
            set: function(e) {
                this.uniforms && (this.uniforms.alpha.value = e)
            }
        }, {
            key: "map",
            get: function() {
                return this.uniforms.tDiffuse.value
            },
            set: function(e) {
                this.uniforms.tDiffuse.value = e
            }
        }]),
        n
    }(), mx = new pc, vx = {}, gx = new Map, Ch = function() {
        y(v, zg);
        var n, m = w(v);
        function v(e, t) {
            var n, i, r, a, o, s = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : {};
            O(this, v),
            n = m.call(this, e, $.extend(s, {
                name: "mainViewer"
            })),
            window.viewer = g(n),
            "pano" == Potree.settings.editType || "merge" == Potree.settings.editType ? (n.modules = {
                Alignment: C1,
                SiteModel: G1
            },
            Potree.settings.useDepthTex = !1,
            "pano" == Potree.settings.editType ? n.modules.PanoEditor = ex : "merge" == Potree.settings.editType && (n.modules.MergeEditor = j1,
            n.modules.CamAniEditor = Lb)) : n.modules = {
                Clip: M1,
                Alignment: C1,
                SiteModel: G1,
                RouteGuider: new vb,
                ParticleEditor: Bb,
                CamAniEditor: Lb
            },
            console.log("create viewer"),
            n.navigateMode = "free",
            n.isEdit = !0,
            n.waitQueue = [],
            n.unitConvert = new hb,
            px = t,
            n.visible = !0,
            n.fpVisiDatasets = [],
            n.atDatasets = [],
            n.objs = new Si,
            jp.EXT_DEPTH.isSupported() || console.error("ExtFragDepth unsupported! 边缘增强和测量线遮挡失效"),
            n.guiLoaded = !1,
            n.guiLoadTasks = [],
            n.onVrListeners = [],
            n.messages = [],
            n.elMessages = $('\n\t\t<div id="message_listing" \n\t\t\tstyle="position: absolute; z-index: 1000; left: 10px; bottom: 10px">\n\t\t</div>'),
            $(e).append(n.elMessages),
            n.paused,
            document.addEventListener("visibilitychange", function(e) {
                n.dispatchEvent({
                    type: "pageVisible",
                    v: !document.hidden
                })
            });
            try {
                Potree.settings.isOfficial || (0 === $(e).find("#potree_map").length && (i = $('\n                        <div id="potree_map" class="mapBox" style="position: absolute; left: 50px; top: 50px; width: 400px; height: 400px; display: none">\n                            <div id="potree_map_header" style="position: absolute; width: 100%; height: 25px; top: 0px; background-color: rgba(0,0,0,0.5); z-index: 1000; border-top-left-radius: 3px; border-top-right-radius: 3px;">\n                            </div>\n                            <div id="potree_map_content" class="map" style="position: absolute; z-index: 100; top: 25px; width: 100%; height: calc(100% - 25px); border: 2px solid rgba(0,0,0,0.5); box-sizing: border-box;"></div>\n                        </div>\n                    '),
                $(e).append(i)),
                0 === $(e).find("#potree_description").length && (r = $('<div id="potree_description" class="potree_info_text"></div>'),
                $(e).append(r)),
                0 === $(e).find("#potree_annotations").length && (a = $('\n                        <div id="potree_annotation_container" \n                            style="position: absolute; z-index: 100000; width: 100%; height: 100%; pointer-events: none;"></div>'),
                $(e).append(a)),
                0 === $(e).find("#potree_quick_buttons").length && (o = $('\n                        <div id="potree_quick_buttons" class="quick_buttons_container" style="">\n                        </div>\n                    '),
                $(e).append(o)),
                px || "merge" == Potree.settings.editType || ($(e).append($("<div id='potree_labels'></div>")),
                px = $("<div id='mapGaode'></div>"),
                $(e).append(px),
                px = px[0])),
                n.pointCloudLoadedCallback = s.onPointCloudLoaded || function() {}
                ,
                n.server = null,
                n.fov = 60,
                n.isFlipYZ = !1,
                n.useDEMCollisions = !1,
                n.generateDEM = !1,
                n.minNodeSize = 30,
                n.edlStrength = 1,
                n.edlRadius = 1.4,
                n.edlOpacity = 1,
                n.useEDL = !1,
                n.description = "",
                n.classifications = Bm.DEFAULT,
                n.moveSpeed = 10,
                n.lengthUnit = lm.METER,
                n.lengthUnitDisplay = lm.METER,
                n.showBoundingBox = !1,
                n.showAnnotations = !0,
                n.freeze = !1,
                n.clipTask = tm.HIGHLIGHT,
                n.clipMethod = nm.INSIDE_ANY,
                n.elevationGradientRepeat = im.CLAMP,
                n.filterReturnNumberRange = [0, 7],
                n.filterNumberOfReturnsRange = [0, 7],
                n.filterGPSTimeRange = [-1 / 0, 1 / 0],
                n.filterPointSourceIDRange = [0, 65535],
                n.potreeRenderer = null,
                n.edlRenderer = null,
                n.pRenderer = null,
                n.scene = null,
                n.sceneVR = null,
                n.overlay = null,
                n.overlayCamera = null,
                n.inputHandler = null,
                n.controls = null,
                n.clippingTool = null,
                n.transformationTool = null,
                n.navigationCube = null,
                n.compass = null,
                n.skybox = null,
                n.clock = new Cd,
                n.background = null,
                s.noDragAndDrop || n.initDragAndDrop(),
                "undefined" != typeof Stats && (n.stats = new Stats,
                n.stats.showPanel(0),
                document.body.appendChild(n.stats.dom)),
                n.renderer.domElement.addEventListener("webglcontextlost", function(e) {
                    console.log(e),
                    n.postMessage("WebGL context lost. ☹");
                    e = n.renderer.getContext().getError();
                    console.log(e),
                    n.dispatchEvent({
                        type: "webglError",
                        msg: "webglcontextlost"
                    })
                }, !1),
                n.overlay = new gs,
                n.overlayCamera = new ed(0,1,1,0,-1e3,1e3),
                n.pRenderer = new Zm(n.renderer);
                n.shadowTestCam = new $r(90,1,2.5,10),
                n.shadowTestCam.position.set(3.5, -2.8, 8.561),
                n.shadowTestCam.lookAt(new Cn(0,0,4.87));
                var l = new rg(n.renderer);
                n.sceneVR = new gs,
                n.setScene(l),
                n.composer = new ux(n.renderer),
                n.ssaaRenderPass = new sx(0,0),
                n.composer.addPass(n.ssaaRenderPass);
                var u = n.outlinePass = new hx;
                u.renderToScreen = !0,
                u.enabled = !1,
                n.composer.addPass(u),
                u.edgeStrength = 10,
                u.edgeGlow = 0,
                u.visibleEdgeColor = new Yi("#09a1b3"),
                u.hiddenEdgeColor = new Yi("#09a1b3"),
                n.mainViewport = new Ig(n.scene.view,n.scene.cameraP,{
                    left: 0,
                    bottom: 0,
                    width: 1,
                    height: 1,
                    name: "MainView"
                }),
                n.viewports = [n.mainViewport],
                n.compass = new Kv(g(n)),
                n.magnifier = new ab(g(n)),
                n.reticule = new sb(g(n)),
                n.scene.scene.add(n.magnifier),
                n.scene.scene.add(n.reticule),
                "pano" != Potree.settings.editType && "merge" != Potree.settings.editType && (n.mapViewer = new fy(px)),
                n.inputHandler = new Og(g(n),n.scene.scene),
                n.clippingTool = new jv(g(n)),
                n.transformationTool = new Zv(g(n)),
                n.navigationCube = new Dw(g(n)),
                n.navigationCube.visible = !1,
                n.createControls(),
                n.clippingTool.setScene(n.scene);
                var c = function(e) {
                    1 === n.scene.pointclouds.length && (e = e.pointcloud.boundingBox.getSize(new Cn).length(),
                    n.setMoveSpeed(e /= 2e3))
                }
                  , d = function(e) {
                    n.inputHandler.deselect(e.volume)
                };
                n.addEventListener("scene_changed", function(e) {
                    n.inputHandler.setScene(e.scene),
                    n.clippingTool.setScene(n.scene),
                    e.scene.hasEventListener("pointcloud_added", c) || e.scene.addEventListener("pointcloud_added", c),
                    e.scene.hasEventListener("volume_removed", c) || e.scene.addEventListener("volume_removed", d)
                }),
                n.scene.addEventListener("volume_removed", d),
                n.scene.addEventListener("pointcloud_added", c),
                n.setFOV(60),
                n.setEDLEnabled(!1),
                n.setEDLRadius(1.4),
                n.setEDLStrength(.4),
                n.setEDLOpacity(1),
                n.setClipTask(tm.HIGHLIGHT),
                n.setClipMethod(nm.INSIDE_ANY),
                n.setPointBudget(1e6),
                n.setShowBoundingBox(!1),
                n.setFreeze(!1),
                n.setControls(n.fpControls),
                n.setBackground(new Yi(Potree.config.background), 1),
                n.scaleFactor = 1,
                n.loadSettingsFromURL(),
                n.renderer.setAnimationLoop(n.loop.bind(g(n))),
                n.loadGUI = n.loadGUI.bind(g(n)),
                n.annotationTool = new _w(g(n)),
                n.measuringTool = new Wv(g(n)),
                n.profileTool = new qv(g(n)),
                n.volumeTool = new Qv(g(n)),
                n.tagTool = new Pw(g(n)),
                y1.init(g(n), n.mapViewer ? [g(n), n.mapViewer] : [g(n)]),
                "pano" == Potree.settings.editType ? n.modules.PanoEditor.init() : "merge" == Potree.settings.editType ? n.modules.MergeEditor.init() : (n.modules.SiteModel.init(),
                n.modules.ParticleEditor.init()),
                n.modules.Alignment.init(),
                n.images360 = new ly(g(n)),
                n.scene.scene.add(n.objs),
                vx = {
                    objLoader: new tx(mx),
                    mtlLoader: new rx(mx),
                    glbLoader: new Qw(void 0,n.renderer,Potree.settings.libsUrl)
                }
            } catch (e) {
                n.onCrash(e)
            }
            var h = "";
            Object.defineProperty(Potree.settings, "pointDensity", {
                get: function() {
                    return h
                },
                set: function(e) {
                    var t;
                    e && e != h && (t = Potree.config.pointDensity[e],
                    t = (n.magnifier.visible ? Potree.config.pointDensity.magnifier : t).pointBudget,
                    viewer.setPointBudget(t),
                    h = e,
                    n.setPointLevels())
                }
            });
            var p = "";
            Object.defineProperty(Potree.settings, "UserPointDensity", {
                get: function() {
                    return p
                },
                set: function(e) {
                    p != e && ("showPointCloud" == Potree.settings.displayMode && 4 != n.viewports.length && (Potree.settings.pointDensity = e),
                    p = e)
                }
            });
            var f = Potree.settings.cameraFar;
            return Object.defineProperty(Potree.settings, "cameraFar", {
                get: function() {
                    return f
                },
                set: function(e) {
                    e != f && ("showPanos" != Potree.settings.displayMode && (n.mainViewport.camera.far = e,
                    n.mainViewport.camera.updateProjectionMatrix()),
                    f = e)
                }
            }),
            n.addEventListener("allLoaded", function() {
                setTimeout(n.testPointcloudsMaxLevel.bind(g(n)), 2e3)
            }),
            "pano" != Potree.settings.editType && "merge" != Potree.settings.editType && (n.addEventListener("switchFloorplanSelect", function(e) {
                var t;
                n.selectedFloorplan = e.pointcloud,
                n.updateFpVisiDatasets(),
                e.pointcloud ? t = [e.pointcloud] : n.fpVisiDatasets.length && (t = n.fpVisiDatasets),
                t && n.mapViewer.fitToDatasets(t)
            }),
            n.modules.SiteModel.bus.addEventListener("FloorChange", function() {
                n.updateFpVisiDatasets()
            }),
            n.mapViewer.mapLayer.addEventListener("floorplanLoaded", function() {
                n.updateCadVisibles(n.fpVisiDatasets, !0)
            })),
            n.addEventListener("camera_changed", function(e) {
                e.changeInfo.positionChanged && (gx.clear(),
                n.updateDatasetAt())
            }),
            n
        }
        return h(v, [{
            key: "ifPointBlockedByIntersect",
            value: function(e, t) {
                var n, i = gx.get(t || e);
                return i ? n = i.ifShelter : (n = viewer.inputHandler.ifBlockedByIntersect(e, .3, !0),
                gx.set(t || e, {
                    ifShelter: n
                })),
                n
            }
        }, {
            key: "updateDatasetAt",
            value: function(n) {
                function e() {
                    var t = viewer.mainViewport.view.position
                      , e = i.scene.pointclouds.filter(function(e) {
                        return e.ifContainsPoint(t)
                    });
                    return Fm.getDifferenceSet(e, i.atDatasets).length && (i.atDatasets = e,
                    "pano" != Potree.settings.editType && "merge" != Potree.settings.editType && i.updateFpVisiDatasets(),
                    i.dispatchEvent({
                        type: "pointcloudAtChange",
                        pointclouds: e
                    })),
                    !(n = !1)
                }
                var i = this;
                n ? e() : Fm.intervalTool.isWaiting("atWhichDataset", e, 500)
            }
        }, {
            key: "updatePanosVisibles",
            value: function(n) {
                viewer.images360.panos.forEach(function(e) {
                    var t = n && n.panos.includes(e);
                    viewer.updateVisible(e, "buildingChange", t, 2)
                })
            }
        }, {
            key: "updateFpVisiDatasets",
            value: function() {
                var e, t, n = this, i = (this.modules.Clip,
                this.modules.SiteModel), r = this.modules.Alignment, a = i.currentFloor;
                this.selectedFloorplan ? (e = [this.selectedFloorplan],
                this.updateCadVisibles(e)) : (i.editing || r.editing ? (t = this.scene.pointclouds.filter(function(e) {
                    return n.getObjVisiByReason(e, "datasetSelection")
                }),
                this.updateCadVisibles(t)) : (0 == (t = a ? this.findPointcloudsAtFloor(a) : []).length && (t = this.atDatasets),
                this.updateCadVisibles(t)),
                this.updatePanosVisibles(a))
            }
        }, {
            key: "findPointcloudsAtFloor",
            value: function(i) {
                var r = []
                  , e = viewer.scene.pointclouds.filter(function(e) {
                    var t = 0;
                    if (e.belongToEntity && (e.belongToEntity == i || e.belongToEntity.buildParent == i))
                        return !0;
                    if (e.panos.length) {
                        var n = e.panos.filter(function(e) {
                            return i.ifContainsPoint(e.position)
                        }).length / e.panos.length;
                        if (.5 < n)
                            return !0;
                        n < .2 && (t += n)
                    }
                    n = i.intersectPointcloudVolume(e) / i.getVolume(!0);
                    if (.95 < n)
                        return !0;
                    r.push({
                        score: t += n,
                        pointcloud: e
                    })
                });
                return 0 == e.length && (r.sort(function(e, t) {
                    return e.score - t.score
                }),
                .4 < r[0].score && (e = [r[0].pointcloud])),
                e
            }
        }, {
            key: "updateCadVisibles",
            value: function(n, e) {
                var t = this.fpVisiDatasets
                  , n = this.fpVisiDatasets = n;
                if (!e && 0 == Fm.getDifferenceSet(t, n).length)
                    return;
                viewer.scene.pointclouds.forEach(function(e) {
                    var t = viewer.mapViewer.mapLayer.getFloorplan(e.dataset_id)
                      , e = n.includes(e);
                    t && viewer.updateVisible(t.objectGroup, "buildingChange", e)
                }),
                viewer.mapViewer.mapLayer.needUpdate = !0,
                viewer.mapViewer.needRender = !0
            }
        }, {
            key: "testPointcloudsMaxLevel",
            value: function() {
                function e() {
                    n = !0,
                    Fm.intervalTool.isWaiting("testPointcloudsMaxLevel", function() {
                        if (n || !(20 < r)) {
                            r++;
                            var t = !(n = !1);
                            if (viewer.scene.pointclouds.forEach(function(e) {
                                e.testMaxNodeLevel() && (t = !1)
                            }),
                            !t)
                                return !0;
                            i.removeEventListener("camera_changed", e),
                            console.log("testPointcloudsMaxLevel结束")
                        }
                    }, r < 10 ? 150 : 500)
                }
                var n, i = this, r = 0;
                this.addEventListener("camera_changed", e),
                e()
            }
        }, {
            key: "setPointLevels",
            value: function() {
                this.scene.pointclouds.forEach(function(e) {
                    e.setPointLevel()
                })
            }
        }, {
            key: "onCrash",
            value: function(e) {
                var t;
                throw $(this.renderArea).empty(),
                0 === $(this.renderArea).find("#potree_failpage").length && ((t = $('\n\t\t\t<div id="#potree_failpage" class="potree_failpage"> \n\t\t\t\t\n\t\t\t\t<h1>Potree Encountered An Error </h1>\n\n\t\t\t\t<p>\n\t\t\t\tThis may happen if your browser or graphics card is not supported.\n\t\t\t\t<br>\n\t\t\t\tWe recommend to use \n\t\t\t\t<a href="https://www.google.com/chrome/browser" target="_blank" style="color:initial">Chrome</a>\n\t\t\t\tor \n\t\t\t\t<a href="https://www.mozilla.org/" target="_blank">Firefox</a>.\n\t\t\t\t</p>\n\n\t\t\t\t<p>\n\t\t\t\tPlease also visit <a href="http://webglreport.com/" target="_blank">webglreport.com</a> and \n\t\t\t\tcheck whether your system supports WebGL.\n\t\t\t\t</p>\n\t\t\t\t<p>\n\t\t\t\tIf you are already using one of the recommended browsers and WebGL is enabled, \n\t\t\t\tconsider filing an issue report at <a href="https://github.com/potree/potree/issues" target="_blank">github</a>,<br>\n\t\t\t\tincluding your operating system, graphics card, browser and browser version, as well as the \n\t\t\t\terror message below.<br>\n\t\t\t\tPlease do not report errors on unsupported browsers.\n\t\t\t\t</p>\n\n\t\t\t\t<pre id="potree_error_console" style="width: 100%; height: 100%"></pre>\n\t\t\t\t\n\t\t\t</div>')).find("#potree_error_console").html(e.stack),
                $(this.renderArea).append(t)),
                e
            }
        }, {
            key: "setScene",
            value: function(e) {
                var t, n = this;
                e !== this.scene && (t = this.scene,
                this.scene = e,
                this.dispatchEvent({
                    type: "scene_changed",
                    oldScene: t,
                    scene: e
                }),
                $(".annotation").detach(),
                this.scene.annotations.traverse(function(e) {
                    n.renderArea.appendChild(e.domElement[0])
                }),
                this.onAnnotationAdded || (this.onAnnotationAdded = function(e) {
                    e.annotation.traverse(function(e) {
                        $("#potree_annotation_container").append(e.domElement),
                        e.scene = n.scene
                    })
                }
                ),
                t && t.annotations.removeEventListener("annotation_added", this.onAnnotationAdded),
                this.scene.annotations.addEventListener("annotation_added", this.onAnnotationAdded))
            }
        }, {
            key: "setControls",
            value: function(e) {
                e !== this.controls && (this.controls && (this.controls.setEnable(!1),
                this.controls.moveSpeed = this.moveSpeed),
                (this.controls = e).moveSpeed && this.setMoveSpeed(e.moveSpeed),
                this.controls.setEnable(!0))
            }
        }, {
            key: "getControls",
            value: function() {
                return this.renderer.xr.isPresenting ? this.vrControls : this.controls
            }
        }, {
            key: "getMinNodeSize",
            value: function() {
                return this.minNodeSize
            }
        }, {
            key: "setMinNodeSize",
            value: function(e) {
                this.minNodeSize !== e && (this.minNodeSize = e,
                this.dispatchEvent({
                    type: "minnodesize_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getBackground",
            value: function() {
                return this.background
            }
        }, {
            key: "setBackground",
            value: function(e) {
                this.background !== e && ("skybox" === e && (this.skybox = Jf.loadSkybox(new URL(Potree.resourcePath + "/textures/skybox2/").href)),
                this.background = e,
                this.backgroundOpacity = 1,
                this.dispatchEvent({
                    type: "background_changed",
                    viewer: this
                }))
            }
        }, {
            key: "setDescription",
            value: function(e) {
                this.description = e,
                $("#potree_description").html(e)
            }
        }, {
            key: "getDescription",
            value: function() {
                return this.description
            }
        }, {
            key: "setShowBoundingBox",
            value: function(e) {
                this.showBoundingBox !== e && (this.showBoundingBox = e,
                this.dispatchEvent({
                    type: "show_boundingbox_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getShowBoundingBox",
            value: function() {
                return this.showBoundingBox
            }
        }, {
            key: "setMoveSpeed",
            value: function(e) {
                this.getMoveSpeed() !== e && (this.mainViewport.setMoveSpeed(e),
                this.dispatchEvent({
                    type: "move_speed_changed",
                    viewer: this,
                    speed: e
                }))
            }
        }, {
            key: "getMoveSpeed",
            value: function() {
                return this.mainViewport.moveSpeed
            }
        }, {
            key: "setWeightClassification",
            value: function(e) {
                for (var t = 0; t < this.scene.pointclouds.length; t++)
                    this.scene.pointclouds[t].material.weightClassification = e,
                    this.dispatchEvent({
                        type: "attribute_weights_changed" + t,
                        viewer: this
                    })
            }
        }, {
            key: "setFreeze",
            value: function(e) {
                e = Boolean(e),
                this.freeze !== e && (this.freeze = e,
                this.dispatchEvent({
                    type: "freeze_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getFreeze",
            value: function() {
                return this.freeze
            }
        }, {
            key: "getClipTask",
            value: function() {
                return this.clipTask
            }
        }, {
            key: "getClipMethod",
            value: function() {
                return this.clipMethod
            }
        }, {
            key: "setClipTask",
            value: function(e) {
                this.clipTask !== e && (this.clipTask = e,
                this.dispatchEvent({
                    type: "cliptask_changed",
                    viewer: this
                }))
            }
        }, {
            key: "setClipMethod",
            value: function(e) {
                this.clipMethod !== e && (this.clipMethod = e,
                this.dispatchEvent({
                    type: "clipmethod_changed",
                    viewer: this
                }))
            }
        }, {
            key: "setElevationGradientRepeat",
            value: function(e) {
                this.elevationGradientRepeat !== e && (this.elevationGradientRepeat = e,
                this.dispatchEvent({
                    type: "elevation_gradient_repeat_changed",
                    viewer: this
                }))
            }
        }, {
            key: "setPointBudget",
            value: function(e) {
                Potree.pointBudget !== e && (Potree.pointBudget = parseInt(e),
                this.dispatchEvent({
                    type: "point_budget_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getPointBudget",
            value: function() {
                return Potree.pointBudget
            }
        }, {
            key: "setShowAnnotations",
            value: function(e) {
                this.showAnnotations !== e && (this.showAnnotations = e,
                this.dispatchEvent({
                    type: "show_annotations_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getShowAnnotations",
            value: function() {
                return this.showAnnotations
            }
        }, {
            key: "setDEMCollisionsEnabled",
            value: function(e) {
                this.useDEMCollisions !== e && (this.useDEMCollisions = e,
                this.dispatchEvent({
                    type: "use_demcollisions_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getDEMCollisionsEnabled",
            value: function() {
                return this.useDEMCollisions
            }
        }, {
            key: "setEDLEnabled",
            value: function(e) {
                e = Boolean(e) && jp.SHADER_EDL.isSupported(),
                this.useEDL !== e && (this.useEDL = e,
                this.dispatchEvent({
                    type: "use_edl_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getEDLEnabled",
            value: function() {
                return this.useEDL
            }
        }, {
            key: "setEDLRadius",
            value: function(e) {
                this.edlRadius !== e && (this.edlRadius = e,
                this.dispatchEvent({
                    type: "edl_radius_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getEDLRadius",
            value: function() {
                return this.edlRadius
            }
        }, {
            key: "setEDLStrength",
            value: function(e) {
                this.edlStrength !== e && (this.edlStrength = e,
                this.dispatchEvent({
                    type: "edl_strength_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getEDLStrength",
            value: function() {
                return this.edlStrength
            }
        }, {
            key: "setEDLOpacity",
            value: function(e) {
                this.edlOpacity !== e && (this.edlOpacity = e,
                this.dispatchEvent({
                    type: "edl_opacity_changed",
                    viewer: this
                }))
            }
        }, {
            key: "getEDLOpacity",
            value: function() {
                return this.edlOpacity
            }
        }, {
            key: "setFOV",
            value: function(e) {
                var t;
                this.fov !== e && (t = this.fov,
                this.fov = e,
                this.scene.cameraP.fov = this.fov,
                this.scene.cameraP.updateProjectionMatrix(),
                this.dispatchEvent({
                    type: "fov_changed",
                    viewer: this,
                    oldFov: t,
                    fov: this.fov
                }))
            }
        }, {
            key: "getFOV",
            value: function() {
                return this.fov
            }
        }, {
            key: "disableAnnotations",
            value: function() {
                this.scene.annotations.traverse(function(e) {
                    e.domElement.css("pointer-events", "none")
                })
            }
        }, {
            key: "enableAnnotations",
            value: function() {
                this.scene.annotations.traverse(function(e) {
                    e.domElement.css("pointer-events", "auto")
                })
            }
        }, {
            key: "setClassifications",
            value: function(e) {
                this.classifications = e,
                this.dispatchEvent({
                    type: "classifications_changed",
                    viewer: this
                })
            }
        }, {
            key: "setClassificationVisibility",
            value: function(e, t) {
                this.classifications[e] ? this.classifications[e].visible !== t && (this.classifications[e].visible = t,
                this.dispatchEvent({
                    type: "classification_visibility_changed",
                    viewer: this
                })) : (this.classifications[e] = {
                    visible: t,
                    name: "no name"
                },
                this.dispatchEvent({
                    type: "classification_visibility_changed",
                    viewer: this
                }))
            }
        }, {
            key: "toggleAllClassificationsVisibility",
            value: function() {
                for (var e = 0, t = 0, n = 0, i = Object.keys(this.classifications); n < i.length; n++) {
                    var r = i[n];
                    this.classifications[r].visible && e++,
                    t++
                }
                var a = !0;
                e === t && (a = !1);
                for (var o = !1, s = 0, l = Object.keys(this.classifications); s < l.length; s++) {
                    var u = l[s];
                    this.classifications[u].visible !== a && (this.classifications[u].visible = a,
                    o = !0)
                }
                o && this.dispatchEvent({
                    type: "classification_visibility_changed",
                    viewer: this
                })
            }
        }, {
            key: "setFilterReturnNumberRange",
            value: function(e, t) {
                this.filterReturnNumberRange = [e, t],
                this.dispatchEvent({
                    type: "filter_return_number_range_changed",
                    viewer: this
                })
            }
        }, {
            key: "setFilterNumberOfReturnsRange",
            value: function(e, t) {
                this.filterNumberOfReturnsRange = [e, t],
                this.dispatchEvent({
                    type: "filter_number_of_returns_range_changed",
                    viewer: this
                })
            }
        }, {
            key: "setFilterGPSTimeRange",
            value: function(e, t) {
                this.filterGPSTimeRange = [e, t],
                this.dispatchEvent({
                    type: "filter_gps_time_range_changed",
                    viewer: this
                })
            }
        }, {
            key: "setFilterPointSourceIDRange",
            value: function(e, t) {
                this.filterPointSourceIDRange = [e, t],
                this.dispatchEvent({
                    type: "filter_point_source_id_range_changed",
                    viewer: this
                })
            }
        }, {
            key: "setLengthUnit",
            value: function(e) {
                switch (e) {
                case "m":
                    this.lengthUnit = lm.METER,
                    this.lengthUnitDisplay = lm.METER;
                    break;
                case "ft":
                    this.lengthUnit = lm.FEET,
                    this.lengthUnitDisplay = lm.FEET;
                    break;
                case "in":
                    this.lengthUnit = lm.INCH,
                    this.lengthUnitDisplay = lm.INCH
                }
                this.dispatchEvent({
                    type: "length_unit_changed",
                    viewer: this,
                    value: e
                })
            }
        }, {
            key: "setLengthUnitAndDisplayUnit",
            value: function(e, t) {
                switch (e) {
                case "m":
                    this.lengthUnit = lm.METER;
                    break;
                case "ft":
                    this.lengthUnit = lm.FEET;
                    break;
                case "in":
                    this.lengthUnit = lm.INCH
                }
                switch (t) {
                case "m":
                    this.lengthUnitDisplay = lm.METER;
                    break;
                case "ft":
                    this.lengthUnitDisplay = lm.FEET;
                    break;
                case "in":
                    this.lengthUnitDisplay = lm.INCH
                }
                this.dispatchEvent({
                    type: "length_unit_changed",
                    viewer: this,
                    value: e
                })
            }
        }, {
            key: "zoomTo",
            value: function(e, t) {
                var n = this
                  , i = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 0
                  , r = this.scene.view
                  , a = this.scene.cameraP.clone();
                a.rotation.copy(this.scene.cameraP.rotation),
                a.rotation.order = "ZXY",
                a.rotation.x = Math.PI / 2 + r.pitch,
                a.rotation.z = r.yaw,
                a.updateMatrix(),
                a.updateMatrixWorld(),
                a.zoomTo(e, t);
                var o = (o = e.boundingSphere || (e.geometry && e.geometry.boundingSphere ? e.geometry.boundingSphere : e.boundingBox.getBoundingSphere(new qn))).clone().applyMatrix4(e.matrixWorld)
                  , s = r.position.clone()
                  , t = a.position.clone()
                  , e = r.getPivot()
                  , a = o.center
                  , o = (r.radius,
                t.distanceTo(a),
                TWEEN.Easing.Quartic.Out)
                  , l = s.clone()
                  , t = new TWEEN.Tween(l).to(t, i);
                t.easing(o),
                t.onUpdate(function() {
                    r.position.copy(l)
                }),
                t.start();
                var u = e.clone()
                  , i = new TWEEN.Tween(u).to(a, i);
                i.easing(o),
                i.onUpdate(function() {
                    r.lookAt(u)
                }),
                i.onComplete(function() {
                    r.lookAt(u),
                    n.dispatchEvent({
                        type: "focusing_finished",
                        target: n
                    })
                }),
                this.dispatchEvent({
                    type: "focusing_started",
                    target: this
                }),
                i.start()
            }
        }, {
            key: "moveToGpsTimeVicinity",
            value: function(e) {
                var t = Potree.Utils.findClosestGpsTime(e, viewer)
                  , e = t.node.pointcloud.deepestNodeAt(t.position).getBoundingBox()
                  , e = e.min.distanceTo(e.max)
                  , e = this.scene.getActiveCamera().getWorldDirection(new Cn).multiplyScalar(e)
                  , e = t.position.clone().sub(e);
                this.scene.view.position.copy(e),
                this.scene.view.lookAt(t.position)
            }
        }, {
            key: "showAbout",
            value: function() {
                $(function() {
                    $("#about-panel").dialog()
                })
            }
        }, {
            key: "getGpsTimeExtent",
            value: function() {
                var e, t = [1 / 0, -1 / 0], n = ue(this.scene.pointclouds);
                try {
                    for (n.s(); !(e = n.n()).done; ) {
                        var i = e.value.pcoGeometry.pointAttributes.attributes.find(function(e) {
                            return "gps-time" === e.name
                        });
                        i && (t[0] = Math.min(t[0], i.range[0]),
                        t[1] = Math.max(t[1], i.range[1]))
                    }
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
                return t
            }
        }, {
            key: "fitToScreen",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : 1
                  , t = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0
                  , n = this.getBoundingBox(this.scene.pointclouds)
                  , i = new Si;
                i.boundingBox = n,
                this.zoomTo(i, e, t),
                this.controls.stop()
            }
        }, {
            key: "toggleNavigationCube",
            value: function() {
                this.navigationCube.visible = !this.navigationCube.visible
            }
        }, {
            key: "setTopView",
            value: function(e) {
                (e = e || this.scene.view).setCubeView("top"),
                this.fitToScreen()
            }
        }, {
            key: "setBottomView",
            value: function() {
                this.scene.view.yaw = -Math.PI,
                this.scene.view.pitch = Math.PI / 2,
                this.fitToScreen()
            }
        }, {
            key: "setFrontView",
            value: function(e) {
                (e = e || this.scene.view).yaw = 0,
                e.pitch = 0,
                this.fitToScreen()
            }
        }, {
            key: "setBackView",
            value: function(e) {
                (e = e || this.scene.view).yaw = Math.PI,
                e.pitch = 0,
                this.fitToScreen()
            }
        }, {
            key: "setLeftView",
            value: function() {
                this.scene.view.yaw = -Math.PI / 2,
                this.scene.view.pitch = 0,
                this.fitToScreen()
            }
        }, {
            key: "setRightView",
            value: function() {
                this.scene.view.yaw = Math.PI / 2,
                this.scene.view.pitch = 0,
                this.fitToScreen()
            }
        }, {
            key: "flipYZ",
            value: function() {
                this.isFlipYZ = !this.isFlipYZ,
                console.log("TODO")
            }
        }, {
            key: "setCameraMode",
            value: function(e) {
                this.scene.cameraMode = e;
                var t, n = ue(this.scene.pointclouds);
                try {
                    for (n.s(); !(t = n.n()).done; )
                        t.value.material.useOrthographicCamera = e == em.ORTHOGRAPHIC
                } catch (e) {
                    n.e(e)
                } finally {
                    n.f()
                }
            }
        }, {
            key: "getProjection",
            value: function() {
                var e = this.scene.pointclouds[0];
                return e ? e.projection : null
            }
        }, {
            key: "loadProject",
            value: (n = r(regeneratorRuntime.mark(function e(t, n) {
                var i;
                return regeneratorRuntime.wrap(function(e) {
                    for (; ; )
                        switch (e.prev = e.next) {
                        case 0:
                            return e.next = 2,
                            fetch(t);
                        case 2:
                            if ((i = e.sent).ok)
                                return e.next = 6,
                                i.text();
                            e.next = 11;
                            break;
                        case 6:
                            i = e.sent,
                            "Potree" === (i = xw.parse(i)).type && Potree.loadProject(viewer, i, n),
                            e.next = 12;
                            break;
                        case 11:
                            console.warn("未能加载：" + t);
                        case 12:
                        case "end":
                            return e.stop()
                        }
                }, e)
            })),
            function(e, t) {
                return n.apply(this, arguments)
            }
            )
        }, {
            key: "saveProject",
            value: function() {
                return Potree.saveProject(this)
            }
        }, {
            key: "loadSettingsFromURL",
            value: function() {
                var e, t, n, i, r, a;
                Jf.getParameterByName("pointSize") && this.setPointSize(parseFloat(Jf.getParameterByName("pointSize"))),
                Jf.getParameterByName("FOV") && this.setFOV(parseFloat(Jf.getParameterByName("FOV"))),
                Jf.getParameterByName("opacity") && this.setOpacity(parseFloat(Jf.getParameterByName("opacity"))),
                Jf.getParameterByName("edlEnabled") && (e = "true" === Jf.getParameterByName("edlEnabled"),
                this.setEDLEnabled(e)),
                Jf.getParameterByName("edlRadius") && this.setEDLRadius(parseFloat(Jf.getParameterByName("edlRadius"))),
                Jf.getParameterByName("edlStrength") && this.setEDLStrength(parseFloat(Jf.getParameterByName("edlStrength"))),
                Jf.getParameterByName("pointBudget") && this.setPointBudget(parseFloat(Jf.getParameterByName("pointBudget"))),
                Jf.getParameterByName("showBoundingBox") && ("true" === Jf.getParameterByName("showBoundingBox") ? this.setShowBoundingBox(!0) : this.setShowBoundingBox(!1)),
                Jf.getParameterByName("material") && (t = Jf.getParameterByName("material"),
                this.setMaterial(t)),
                Jf.getParameterByName("pointSizing") && (t = Jf.getParameterByName("pointSizing"),
                this.setPointSizing(t)),
                Jf.getParameterByName("quality") && (n = Jf.getParameterByName("quality"),
                this.setQuality(n)),
                Jf.getParameterByName("position") && (r = Jf.getParameterByName("position").replace("[", "").replace("]", "").split(";"),
                n = parseFloat(r[0]),
                i = parseFloat(r[1]),
                r = parseFloat(r[2]),
                this.scene.view.position.set(n, i, r)),
                Jf.getParameterByName("target") && (a = Jf.getParameterByName("target").replace("[", "").replace("]", "").split(";"),
                i = parseFloat(a[0]),
                r = parseFloat(a[1]),
                a = parseFloat(a[2]),
                this.scene.view.lookAt(new Cn(i,r,a))),
                Jf.getParameterByName("background") && (a = Jf.getParameterByName("background"),
                this.setBackground(a))
            }
        }, {
            key: "createControls",
            value: function() {
                this.fpControls = new Fg(this,this.mainViewport),
                this.fpControls.enabled = !1,
                this.fpControls.addEventListener("start", this.disableAnnotations.bind(this)),
                this.fpControls.addEventListener("end", this.enableAnnotations.bind(this)),
                this.orbitControls = new Bw(this),
                this.orbitControls.enabled = !1,
                this.orbitControls.addEventListener("start", this.disableAnnotations.bind(this)),
                this.orbitControls.addEventListener("end", this.enableAnnotations.bind(this)),
                this.earthControls = new Lw(this),
                this.earthControls.enabled = !1,
                this.earthControls.addEventListener("start", this.disableAnnotations.bind(this)),
                this.earthControls.addEventListener("end", this.enableAnnotations.bind(this)),
                this.deviceControls = new Rw(this),
                this.deviceControls.enabled = !1,
                this.deviceControls.addEventListener("start", this.disableAnnotations.bind(this)),
                this.deviceControls.addEventListener("end", this.enableAnnotations.bind(this))
            }
        }, {
            key: "toggleSidebar",
            value: function() {
                var e = $("#potree_render_area");
                "0px" !== e.css("left") ? e.css("left", "0px") : e.css("left", "300px")
            }
        }, {
            key: "toggleMap",
            value: function() {
                this.mapView && this.mapView.toggle()
            }
        }, {
            key: "onGUILoaded",
            value: function(e) {
                this.guiLoaded ? e() : this.guiLoadTasks.push(e)
            }
        }, {
            key: "promiseGuiLoaded",
            value: function() {
                var t = this;
                return new Promise(function(e) {
                    t.guiLoaded ? e() : t.guiLoadTasks.push(e)
                }
                )
            }
        }, {
            key: "loadGUI",
            value: function(e) {
                var i = this;
                e && this.onGUILoaded(e);
                var r = $("#potree_sidebar_container");
                return r.load(new URL(Potree.scriptPath + "/" + (Potree.settings.sidebar || "sidebar.html")).href, function() {
                    r.css("width", "300px"),
                    r.css("height", "100%");
                    var e = document.createElement("img");
                    e.src = new URL(Potree.resourcePath + "/icons/menu_button.svg").href,
                    e.onclick = i.toggleSidebar,
                    e.classList.add("potree_menu_toggle");
                    var t = document.createElement("img");
                    t.src = new URL(Potree.resourcePath + "/icons/map_icon.png").href,
                    t.style.display = "none",
                    t.onclick = function(e) {
                        i.toggleMap()
                    }
                    ,
                    t.id = "potree_map_toggle";
                    var n = $("#potree_quick_buttons").get(0);
                    n.append(e),
                    n.append(t),
                    i18n.init({
                        lng: "en",
                        resGetPath: Potree.resourcePath + "/lang/__lng__/__ns__.json",
                        preload: ["en", "fr", "de", "jp", "se", "es", "zh"],
                        getAsync: !0,
                        debug: !1
                    }, function(e) {
                        $("body").i18n()
                    }),
                    $(function() {
                        var e = new Ew(i);
                        e.init(),
                        i.sidebar = e;
                        var t = $("<div>").load(new URL(Potree.scriptPath + "/profile.html").href, function() {
                            $(document.body).append(t.children()),
                            i.profileWindow = new by(i),
                            i.profileWindowController = new xy(i),
                            $("#profile_window").draggable({
                                handle: $("#profile_titlebar"),
                                containment: $(document.body)
                            }),
                            $("#profile_window").resizable({
                                containment: $(document.body),
                                handles: "n, e, s, w"
                            }),
                            $(function() {
                                i.guiLoaded = !0;
                                var e, t = ue(i.guiLoadTasks);
                                try {
                                    for (t.s(); !(e = t.n()).done; )
                                        (0,
                                        e.value)()
                                } catch (e) {
                                    t.e(e)
                                } finally {
                                    t.f()
                                }
                            })
                        })
                    })
                }),
                this.promiseGuiLoaded()
            }
        }, {
            key: "setLanguage",
            value: function(e) {
                i18n.setLng(e),
                $("body").i18n()
            }
        }, {
            key: "setServer",
            value: function(e) {
                this.server = e
            }
        }, {
            key: "initDragAndDrop",
            value: function() {
                var c = this;
                function e(e) {
                    e.dataTransfer.dropEffect = "copy",
                    e.preventDefault()
                }
                var t = function() {
                    var t = r(regeneratorRuntime.mark(function e(t) {
                        var n, i, r, a, o, s, l, u;
                        return regeneratorRuntime.wrap(function(e) {
                            for (; ; )
                                switch (e.prev = e.next) {
                                case 0:
                                    console.log(t),
                                    t.preventDefault(),
                                    n = ue(t.dataTransfer.items),
                                    e.prev = 3,
                                    n.s();
                                case 5:
                                    if ((a = n.n()).done) {
                                        e.next = 49;
                                        break
                                    }
                                    if (i = a.value,
                                    console.log(i),
                                    "file" !== i.kind)
                                        return e.abrupt("continue", 47);
                                    e.next = 10;
                                    break;
                                case 10:
                                    if (r = i.getAsFile(),
                                    a = r.name.toLowerCase().endsWith(".json"),
                                    o = r.name.toLowerCase().endsWith(".gpkg"),
                                    a)
                                        return e.prev = 14,
                                        e.next = 17,
                                        r.text();
                                    e.next = 28;
                                    break;
                                case 17:
                                    l = e.sent,
                                    "Potree" === (l = JSON.parse(l)).type && Potree.loadProject(viewer, l),
                                    e.next = 26;
                                    break;
                                case 22:
                                    e.prev = 22,
                                    e.t0 = e.catch(14),
                                    console.error("failed to parse the dropped file as JSON"),
                                    console.error(e.t0);
                                case 26:
                                    e.next = 47;
                                    break;
                                case 28:
                                    if (!o) {
                                        e.next = 47;
                                        break
                                    }
                                    if (0 < viewer.scene.pointclouds.length) {
                                        e.next = 36;
                                        break
                                    }
                                    console.error("At least one point cloud is needed that specifies the coordinate reference system before loading vector data."),
                                    e.next = 47;
                                    break;
                                case 36:
                                    return proj4.defs("WGS84", "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs"),
                                    proj4.defs("pointcloud", c.getProjection()),
                                    s = proj4("WGS84", "pointcloud"),
                                    e.next = 41,
                                    r.arrayBuffer();
                                case 41:
                                    return l = e.sent,
                                    u = {
                                        transform: s,
                                        source: r.name
                                    },
                                    e.next = 45,
                                    Potree.GeoPackageLoader.loadBuffer(l, u);
                                case 45:
                                    u = e.sent,
                                    viewer.scene.addGeopackage(u);
                                case 47:
                                    e.next = 5;
                                    break;
                                case 49:
                                    e.next = 54;
                                    break;
                                case 51:
                                    e.prev = 51,
                                    e.t1 = e.catch(3),
                                    n.e(e.t1);
                                case 54:
                                    return e.prev = 54,
                                    n.f(),
                                    e.finish(54);
                                case 57:
                                case "end":
                                    return e.stop()
                                }
                        }, e, null, [[3, 51, 54, 57], [14, 22]])
                    }));
                    return function(e) {
                        return t.apply(this, arguments)
                    }
                }();
                $("body")[0].addEventListener("dragenter", e),
                $("body")[0].addEventListener("dragover", e),
                $("body")[0].addEventListener("drop", t)
            }
        }, {
            key: "updateAnnotations",
            value: function() {
                var s = this;
                this.visibleAnnotations || (this.visibleAnnotations = new Set),
                this.scene.annotations.updateBounds(),
                this.scene.cameraP.updateMatrixWorld(),
                this.scene.cameraO.updateMatrixWorld();
                var l = this.renderer.getSize(new yn)
                  , u = this
                  , c = [];
                this.scene.annotations.traverse(function(e) {
                    if (e === s.scene.annotations)
                        return !0;
                    if (!e.visible)
                        return !1;
                    e.scene = s.scene;
                    var t = e.domElement;
                    (n = e.position.clone()).add(e.offset);
                    var n = n || e.boundingBox.getCenter(new Cn)
                      , i = u.scene.cameraP.position.distanceTo(n)
                      , r = e.boundingBox.getBoundingSphere(new qn).radius
                      , a = new Cn
                      , o = 0;
                    a.copy(n).project(s.scene.getActiveCamera()),
                    a.x = l.x * (a.x + 1) / 2,
                    a.y = l.y * (1 - (a.y + 1) / 2),
                    o = u.scene.cameraMode == em.PERSPECTIVE ? (n = Math.PI * u.scene.cameraP.fov / 180,
                    n = Math.tan(n / 2),
                    r * (.5 * l.y / (n * i))) : Jf.projectedRadiusOrtho(r, u.scene.cameraO.projectionMatrix, l.x, l.y),
                    t.css("left", a.x + "px"),
                    t.css("top", a.y + "px");
                    i = 1e7 - i * (1e7 / s.scene.cameraP.far);
                    if (e.descriptionVisible && (i += 1e7),
                    t.css("z-index", parseInt(i)),
                    0 < e.children.length) {
                        o = o > e.collapseThreshold || e.boundingBox.containsPoint(s.scene.getActiveCamera().position);
                        return (e.expand = o) || -1 <= a.z && a.z <= 1 && c.push(e),
                        o
                    }
                    -1 <= a.z && a.z <= 1 && c.push(e)
                });
                for (var e = new Set(this.visibleAnnotations), t = 0, n = c; t < n.length; t++) {
                    var i = n[t];
                    i.display = !0,
                    e.delete(i)
                }
                this.visibleAnnotations = c;
                var r, a = ue(e);
                try {
                    for (a.s(); !(r = a.n()).done; )
                        r.value.display = !1
                } catch (e) {
                    a.e(e)
                } finally {
                    a.f()
                }
            }
        }, {
            key: "updateMaterialDefaults",
            value: function(e) {
                var t = e.material
                  , e = e.getAttribute("intensity");
                null != e && t.intensityRange[0] === 1 / 0 && (t.intensityRange = Q(e.range))
            }
        }, {
            key: "update",
            value: function(e, t) {
                Potree.measureTimings && performance.mark("update-start"),
                this.dispatchEvent({
                    type: "update_start",
                    delta: e,
                    timestamp: t
                }),
                this.updateScreenSize();
                var n = this.scene
                  , i = n.getActiveCamera()
                  , r = this.scene.pointclouds.filter(function(e) {
                    return e.visible
                });
                Potree.pointLoadLimit = 2 * Potree.pointBudget;
                var a = i.position.clone().add(i.getWorldDirection(new Cn).multiplyScalar(1e3));
                this.scene.directionalLight.position.copy(i.position),
                this.scene.directionalLight.lookAt(a);
                var o, s = ue(r);
                try {
                    for (s.s(); !(o = s.n()).done; ) {
                        var l = o.value;
                        l.showBoundingBox = this.showBoundingBox,
                        l.generateDEM = this.generateDEM,
                        l.minimumNodePixelSize = this.minNodeSize;
                        var u = l.material;
                        u.uniforms.uFilterReturnNumberRange.value = this.filterReturnNumberRange,
                        u.uniforms.uFilterNumberOfReturnsRange.value = this.filterNumberOfReturnsRange,
                        u.uniforms.uFilterGPSTimeClipRange.value = this.filterGPSTimeRange,
                        u.uniforms.uFilterPointSourceIDClipRange.value = this.filterPointSourceIDRange,
                        u.classification = this.classifications,
                        u.recomputeClassification(),
                        this.updateMaterialDefaults(l)
                    }
                } catch (e) {
                    s.e(e)
                } finally {
                    s.f()
                }
                if (this.showBoundingBox) {
                    var c = this.scene.scene.getObjectByName("potree_bounding_box_root");
                    c || ((a = new Si).name = "potree_bounding_box_root",
                    this.scene.scene.add(a),
                    c = a);
                    var d, h = [], p = ue(this.scene.pointclouds);
                    try {
                        for (p.s(); !(d = p.n()).done; ) {
                            var f, m = ue(d.value.visibleNodes.filter(function(e) {
                                return void 0 !== e.boundingBoxNode
                            }));
                            try {
                                for (m.s(); !(f = m.n()).done; ) {
                                    var v = f.value.boundingBoxNode;
                                    h.push(v)
                                }
                            } catch (e) {
                                m.e(e)
                            } finally {
                                m.f()
                            }
                        }
                    } catch (e) {
                        p.e(e)
                    } finally {
                        p.f()
                    }
                    c.children = h
                }
                this.freeze,
                this.scene.cameraP.fov = this.fov;
                c = this.getControls();
                c === this.deviceControls ? (this.controls.setScene(n),
                this.controls.update(e),
                this.scene.cameraP.position.copy(n.view.position),
                this.scene.cameraO.position.copy(n.view.position)) : null !== c && (c.setScene(n),
                c.update(e),
                this.viewports.forEach(function(e) {
                    e.active && e.view.applyToCamera(e.camera)
                })),
                this.cameraChanged();
                var g = [];
                g.push.apply(g, Q(this.scene.volumes.filter(function(e) {
                    return e.clip && e instanceof Zp
                })));
                var y, w = ue(this.scene.profiles);
                try {
                    for (w.s(); !(y = w.n()).done; ) {
                        var b = y.value;
                        g.push.apply(g, Q(b.boxes))
                    }
                } catch (e) {
                    w.e(e)
                } finally {
                    w.f()
                }
                var x, E = g.filter(function(e) {
                    return 0 !== e.matrixWorld.determinant()
                }).map(function(e) {
                    e.updateMatrixWorld();
                    var t = e.matrixWorld.clone().invert()
                      , n = e.getWorldPosition(new Cn);
                    return {
                        box: e,
                        inverse: t,
                        position: n
                    }
                }), _ = this.scene.polygonClipVolumes.filter(function(e) {
                    return e.initialized
                }), M = ue(r);
                try {
                    for (M.s(); !(x = M.n()).done; ) {
                        var A = x.value;
                        A.material.setClipBoxes(E),
                        A.material.setClipPolygons(_, this.clippingTool.maxPolygonVertices),
                        A.material.clipTask = this.clipTask,
                        A.material.clipMethod = this.clipMethod
                    }
                } catch (e) {
                    M.e(e)
                } finally {
                    M.f()
                }
                var T, S = ue(r);
                try {
                    for (S.s(); !(T = S.n()).done; )
                        T.value.material.elevationGradientRepeat = this.elevationGradientRepeat
                } catch (e) {
                    S.e(e)
                } finally {
                    S.f()
                }
                this.navigationCube.update(i.rotation),
                this.updateAnnotations(),
                this.mapView && (this.mapView.update(e),
                this.mapView.sceneProjection && $("#potree_map_toggle").css("display", "block")),
                TWEEN.update(t),
                gv.update(e),
                this.transformationTool.update(),
                "pano" != Potree.settings.editType && "merge" != Potree.settings.editType && (this.modules.ParticleEditor.update(e),
                this.mapViewer.update(e)),
                this.dispatchEvent({
                    type: "update",
                    delta: e,
                    timestamp: t
                }),
                Potree.measureTimings && (performance.mark("update-end"),
                performance.measure("update", "update-start", "update-end")),
                this.reticule.updateVisible()
            }
        }, {
            key: "updateViewPointcloud",
            value: function(e, t, n) {
                var i, r = Potree.updatePointClouds(this.scene.pointclouds, e, t), a = (performance.now(),
                e.position), o = 1 / 0, s = ue(this.scene.orientedImages);
                try {
                    for (s.s(); !(i = s.n()).done; ) {
                        var l, u = ue(i.value.images);
                        try {
                            for (u.s(); !(l = u.n()).done; )
                                var c = l.value.mesh.position.distanceTo(a)
                                  , o = Math.min(o, c)
                        } catch (e) {
                            u.e(e)
                        } finally {
                            u.f()
                        }
                    }
                } catch (e) {
                    s.e(e)
                } finally {
                    s.f()
                }
                performance.now();
                var d = e.near
                  , t = e.far;
                e.limitFar || r.lowestSpacing === 1 / 0 || (r = -this.getBoundingBox().applyMatrix4(e.matrixWorldInverse).min.z,
                r = Math.max(1.5 * r, 1e4),
                r = Math.max(r, d + 1e4),
                e.far = r),
                t != e.far && e.updateProjectionMatrix()
            }
        }, {
            key: "getPRenderer",
            value: function() {
                return this.useHQ ? (this.hqRenderer || (this.hqRenderer = new eg(this)),
                this.hqRenderer.useEDL = this.useEDL,
                this.hqRenderer) : (this.edlRenderer || (this.edlRenderer = new $v(this)),
                this.edlRenderer)
            }
        }, {
            key: "renderVR",
            value: function() {
                var e = this.renderer;
                e.setClearColor(5570560, 0),
                e.clear();
                var t = e.xr
                  , n = new $r
                  , i = t.getCamera(n);
                if (2 === i.cameras.length) {
                    t = this.vrControls.getCamera.bind(this.vrControls);
                    "skybox" === viewer.background ? e.setClearColor(16711680, 1) : "gradient" === viewer.background ? e.setClearColor(1122867, 1) : "black" === viewer.background ? e.setClearColor(0, 1) : "white" === viewer.background ? e.setClearColor(16777215, 1) : e.setClearColor(0, 0),
                    e.clear(),
                    "skybox" === this.background ? (r = this.skybox,
                    n = t(),
                    r.camera.rotation.copy(n.rotation),
                    r.camera.fov = n.fov,
                    r.camera.aspect = n.aspect,
                    (n = r.parent).rotation.x = Math.PI / 2,
                    n.updateMatrix(),
                    n.updateMatrixWorld(),
                    r.camera.updateMatrix(),
                    r.camera.updateMatrixWorld(),
                    r.camera.updateProjectionMatrix(),
                    e.render(r.scene, r.camera)) : this.background,
                    this.renderer.xr.getSession().updateRenderState({
                        depthNear: .1,
                        depthFar: 1e4
                    });
                    var r = null
                      , a = null;
                    (r = t()).position.z -= .8 * r.scale.x,
                    r.parent = null,
                    r.near = viewer.scene.getActiveCamera().near,
                    r.far = viewer.scene.getActiveCamera().far,
                    r.updateMatrix(),
                    r.updateMatrixWorld(),
                    this.scene.scene.updateMatrix(),
                    this.scene.scene.updateMatrixWorld(),
                    this.scene.scene.matrixAutoUpdate = !1;
                    a = r.matrixWorld.clone().clone().invert();
                    this.scene.scene.matrix.copy(a),
                    this.scene.scene.matrixWorld.copy(a),
                    r.matrix.identity(),
                    r.matrixWorld.identity(),
                    r.matrixWorldInverse.identity(),
                    e.render(this.scene.scene, r),
                    this.scene.scene.matrixWorld.identity();
                    var o, s = ue(this.scene.pointclouds);
                    try {
                        for (s.s(); !(o = s.n()).done; ) {
                            var l = o.value
                              , u = i.cameras[0].viewport;
                            l.material.useEDL = !1,
                            l.screenHeight = u.height,
                            l.screenWidth = u.width
                        }
                    } catch (e) {
                        s.e(e)
                    } finally {
                        s.f()
                    }
                    var c, d = ue(i.cameras);
                    try {
                        for (d.s(); !(c = d.n()).done; ) {
                            var h = c.value
                              , p = h.viewport;
                            e.setViewport(p.x, p.y, p.width, p.height);
                            var f = h.projectionMatrix.clone().invert()
                              , m = new Mn(0,1,-1,1).applyMatrix4(f).y / Math.PI * 180;
                            h.fov = m;
                            var v, g = ue(this.scene.pointclouds);
                            try {
                                for (g.s(); !(v = g.n()).done; )
                                    v.value.material.useEDL = !1
                            } catch (e) {
                                g.e(e)
                            } finally {
                                g.f()
                            }
                            var y = a.clone().invert();
                            y.multiply(h.matrixWorld);
                            var w = y.clone().invert();
                            this.pRenderer.render(this.scene.scenePointCloud, h, null, {
                                viewOverride: w
                            })
                        }
                    } catch (e) {
                        d.e(e)
                    } finally {
                        d.f()
                    }
                    t = t();
                    t.parent = null,
                    e.render(this.sceneVR, t),
                    e.resetState()
                }
            }
        }, {
            key: "clear",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , t = e.background || this.background
                  , n = (null == e.backgroundOpacity ? this : e).backgroundOpacity
                  , i = this.renderer;
                t instanceof Yi ? i.setClearColor(t, n) : "skybox" === t || "gradient" === t ? i.setClearColor(0, 0) : "black" === t ? i.setClearColor(0, 1) : "white" === t ? i.setClearColor(16777215, 1) : i.setClearColor(t, n),
                e.target || i.clear()
            }
        }, {
            key: "renderDefault",
            value: function() {
                var s, e, l, u, c = this, d = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                this.visible && !this.paused && (s = this.getPRenderer(),
                e = d.viewports || this.viewports,
                l = d.target ? new yn(d.target.width,d.target.height) : this.renderer.getSize(new yn),
                u = 1 < e.filter(function(e) {
                    return e.active
                }).length || d.resize,
                e.forEach(function(e) {
                    var t, n, i, r, a, o = $.extend({}, d);
                    o.viewport = e,
                    o.camera = o.camera || e.camera,
                    o.extraEnableLayers = e.extraEnableLayers,
                    o.cameraLayers = e.cameraLayers,
                    e.active && (i = Math.ceil(l.x * e.left),
                    r = Math.ceil(l.y * e.bottom),
                    a = d.target ? (t = Math.ceil(l.x * e.width),
                    Math.ceil(l.y * e.height)) : (t = e.resolution.x,
                    e.resolution.y),
                    0 != t && 0 != a && (n = e.width < 1 || e.height < 1,
                    d.target ? (d.target.viewport.set(i, r, t, a),
                    n && d.target.scissor.set(i, r, t, a),
                    d.target.scissorTest = n) : (c.renderer.setViewport(i, r, t, a),
                    n && c.renderer.setScissor(i, r, t, a),
                    c.renderer.setScissorTest(n)),
                    u && c.emitResizeMsg({
                        viewport: e
                    }),
                    viewer.dispatchEvent({
                        type: "render.begin",
                        viewer: viewer,
                        viewport: e,
                        params: o
                    }),
                    e.render && e.render($.extend({}, o, {
                        renderer: c.renderer,
                        clear: c.clear.bind(c),
                        resize: null,
                        renderOverlay: c.renderOverlay.bind(c),
                        force: !e.noPointcloud
                    })),
                    e.noPointcloud || (e.render && (o.noBG = !0),
                    e.beforeRender && e.beforeRender(),
                    c.updateViewPointcloud(o.camera, e.resolution2, !0),
                    o.background = e.background,
                    o.backgroundColor = e.backgroundColor,
                    o.backgroundOpacity = e.backgroundOpacity,
                    e.render || c.clear(o),
                    s.clearTargets(o),
                    s.render(o)),
                    e.render || c.renderOverlay(o),
                    e.afterRender && e.afterRender(),
                    c.dispatchEvent({
                        type: "render.end",
                        viewer: c,
                        viewport: e
                    })))
                }),
                this.renderer.setRenderTarget(null))
            }
        }, {
            key: "renderOverlay",
            value: function(e) {
                var t, n = e.camera || this.scene.getActiveCamera();
                this.reticule.updateAtViewports(e.viewport),
                (t = e.cameraLayers || (e.isMap ? ["bothMapAndScene"] : ["sceneObjects", "model", "bothMapAndScene"])).length && (this.setCameraLayers(n, t, e.extraEnableLayers),
                this.renderer.render(this.scene.scene, n)),
                this.dispatchEvent({
                    type: "render.pass.scene",
                    viewer: viewer
                }),
                this.renderer.clearDepth(),
                e.magnifier || (this.dispatchEvent({
                    type: "render.pass.perspective_overlay",
                    camera: n,
                    screenshot: e.screenshot
                }),
                e.screenshot || e.isMap || (this.setCameraLayers(n, ["magnifier"]),
                this.renderer.render(this.scene.scene, n))),
                e.isMap || (this.setCameraLayers(n, ["volume", "transformationTool"]),
                this.renderer.render(this.clippingTool.sceneVolume, n),
                this.renderer.render(this.transformationTool.scene, n))
            }
        }, {
            key: "setLimitFar",
            value: function(e) {
                viewer.mainViewport.camera.limitFar = !!e,
                e && (viewer.mainViewport.camera.near = .02,
                viewer.mainViewport.camera.far = "showPanos" == Potree.settings.displayMode ? viewer.farWhenShowPano : Potree.settings.cameraFar,
                viewer.mainViewport.camera.updateProjectionMatrix())
            }
        }, {
            key: "setCameraLayers",
            value: function(t, e) {
                var n = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : [];
                t.layers.disableAll(),
                e.concat(n).forEach(function(e) {
                    e = Potree.config.renderLayers[e];
                    null != e ? t.layers.enable(e) : console.error("setCameraLayer没找到layer!")
                })
            }
        }, {
            key: "setObjectLayers",
            value: function(e, t) {
                var n = Potree.config.renderLayers[t];
                null != n ? e.traverse(function(e) {
                    e.layers.set(n)
                }) : console.error("setCameraLayer没找到layer!")
            }
        }, {
            key: "updateVisible",
            value: function(t, n, e) {
                var i = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0
                  , r = 4 < arguments.length ? arguments[4] : void 0;
                t.unvisibleReasons || (t.unvisibleReasons = []),
                t.visibleReasons || (t.visibleReasons = []);
                var a;
                e ? (-1 < (a = t.unvisibleReasons.findIndex(function(e) {
                    return e.reason == n
                })) && (r = "cancel",
                t.unvisibleReasons.splice(a, 1)),
                "add" == r && (t.visibleReasons.some(function(e) {
                    return e.reason == n
                }) || t.visibleReasons.push({
                    reason: n,
                    level: i
                }))) : (-1 < (a = t.visibleReasons.findIndex(function(e) {
                    return e.reason == n
                })) && (r = "cancel",
                t.visibleReasons.splice(a, 1)),
                "cancel" != r && (t.unvisibleReasons.some(function(e) {
                    return e.reason == n
                }) || t.unvisibleReasons.push({
                    reason: n,
                    level: i
                }))),
                function() {
                    t.unvisibleReasons = t.unvisibleReasons.sort(function(e, t) {
                        return t.level - e.level
                    }),
                    t.visibleReasons = t.visibleReasons.sort(function(e, t) {
                        return t.level - e.level
                    });
                    var e = t.visibleReasons[0] ? t.visibleReasons[0].level : -1
                      , e = (t.unvisibleReasons[0] ? t.unvisibleReasons[0].level : -1) <= e;
                    t.visible != e && (t.visible = e,
                    t.dispatchEvent({
                        type: "isVisible",
                        visible: e,
                        reason: n
                    }))
                }()
            }
        }, {
            key: "getObjVisiByReason",
            value: function(e, t) {
                return !!e.visible || (!e.unvisibleReasons || !e.unvisibleReasons.some(function(e) {
                    return e.reason == t
                }))
            }
        }, {
            key: "render",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                Potree.measureTimings && performance.mark("render-start"),
                this.outlinePass.selectedObjects.length && !e.screenshot ? this.composer.render(this.inputHandler.interactiveScenes.concat(this.scene.scene).concat(viewer.scene.scenePointCloud), null, this.viewports, this.renderDefault.bind(this)) : this.renderDefault(e),
                Potree.measureTimings && (performance.mark("render-end"),
                performance.measure("render", "render-start", "render-end"))
            }
        }, {
            key: "startScreenshot",
            value: function() {
                var n = this
                  , i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
                  , r = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 800
                  , a = 2 < arguments.length && void 0 !== arguments[2] ? arguments[2] : 400
                  , o = 3 < arguments.length ? arguments[3] : void 0
                  , s = i.deferred || $.Deferred()
                  , l = i.map ? this.mapViewer : this
                  , u = "measure" == i.type || i.map;
                if (this.images360.flying)
                    return i.deferred = s,
                    this.images360.addEventListener("cameraMoveDone", function e() {
                        n.startScreenshot(i, r, a, o),
                        n.images360.removeEventListener("cameraMoveDone", e)
                    }),
                    s.promise();
                var c = Date.now();
                console.log("startScreenshot: " + c);
                var d, e, h = function() {
                    n.viewports.forEach(function(e) {
                        e.view.applyToCamera(e.camera),
                        n.dispatchEvent({
                            type: "camera_changed",
                            camera: e.camera,
                            viewport: e,
                            changeInfo: {
                                positionChanged: !0,
                                changed: !0
                            }
                        })
                    })
                }, t = function() {
                    u && (viewer.mapViewer.needRender = !0);
                    var e = l.makeScreenshot(new yn(r,a), null, o).dataUrl;
                    Potree.settings.isOfficial || Fm.downloadFile(e, "screenshot.jpg");
                    function t() {
                        m.viewports.forEach(function(t) {
                            var e = f.find(function(e) {
                                return e.name == t.name
                            });
                            e.left = t.left,
                            e.width = t.width,
                            e.view.copy(t.view),
                            e.view.applyToCamera(e.camera)
                        }),
                        viewer.updateScreenSize({
                            forceUpdateSize: !0
                        }),
                        h(),
                        s.resolve(e),
                        console.log("screenshot done: " + c)
                    }
                    "measure" == i.type && (n.scene.measurements.forEach(function(e) {
                        return n.updateVisible(e, "screenshot", !0)
                    }),
                    i.measurement.setSelected(!1, "screenshot")),
                    n.images360.panos.forEach(function(e) {
                        viewer.updateVisible(e, "screenshot", !0)
                    }),
                    viewer.updateVisible(n.reticule, "screenshot", !0),
                    u && (viewer.updateVisible(n.mapViewer.cursor, "screenshot", !0),
                    m.attachedToViewer != n.mapViewer.attachedToViewer && "measure" == i.type && n.mapViewer.attachToMainViewer(!1),
                    d.camera.zoom = m.mapZoom,
                    d.camera.updateProjectionMatrix()),
                    "showPanos" == Potree.settings.displayMode ? viewer.images360.flyToPano({
                        pano: m.pano,
                        duration: 0,
                        callback: function() {
                            t()
                        }
                    }) : t()
                }, p = this.mainViewport, f = [p], m = {
                    viewports: [p.clone()],
                    pano: "showPanos" == Potree.settings.displayMode ? viewer.images360.currentPano : null
                };
                return u && (d = this.mapViewer.viewports[0],
                f.push(d),
                m.viewports.push(d.clone()),
                m.attachedToViewer = this.mapViewer.attachedToViewer,
                m.mapZoom = d.camera.zoom,
                viewer.updateVisible(this.mapViewer.cursor, "screenshot", !1)),
                i.hideMarkers && this.images360.panos.forEach(function(e) {
                    viewer.updateVisible(e, "screenshot", !1)
                }),
                viewer.updateVisible(this.reticule, "screenshot", !1),
                "measure" == i.type ? (this.scene.measurements.forEach(function(e) {
                    return n.updateVisible(e, "screenshot", e == i.measurement)
                }),
                i.measurement.setSelected(!0, "screenshot"),
                Potree.settings.floorplanEnable && this.mapViewer.attachToMainViewer(!0, "measure", .5),
                viewer.updateScreenSize({
                    forceUpdateSize: !0,
                    width: r,
                    height: a
                }),
                e = function() {
                    u = n.mapViewer.attachedToViewer,
                    h();
                    var e = "showPointCloud" == Potree.settings.displayMode ? 500 : 0;
                    u ? setTimeout(function() {
                        n.mapViewer.waitLoadDone(t.bind(n))
                    }
                    .bind(n), e) : setTimeout(t.bind(n), e)
                }
                ,
                this.focusOnObject(i.measurement, "measure", 0, {
                    basePanoSize: 1024
                }).promise.done(function() {
                    n.updateDatasetAt(!0),
                    n.modules.SiteModel.updateEntityAt(!0),
                    !n.mapViewer.mapLayer.maps.some(function(e) {
                        return e.name.includes("floorplan") && e.objectGroup.visible
                    }) && n.mapViewer.attachedToViewer ? (n.mapViewer.attachToMainViewer(!1),
                    viewer.updateScreenSize({
                        forceUpdateSize: !0,
                        width: r,
                        height: a
                    }),
                    n.focusOnObject(i.measurement, "measure", 0, {
                        basePanoSize: 1024
                    }).promise.done(function() {
                        e()
                    })) : e()
                })) : t(),
                s.promise()
            }
        }, {
            key: "focusOnObject",
            value: function(u, t, n) {
                var c = this
                  , s = 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : {}
                  , i = s.deferred || $.Deferred()
                  , d = new Cn
                  , h = new Cn;
                n = null == n ? 1e3 : n;
                function e(e, t, n, i) {
                    var r = g.clone();
                    r.position.copy(i),
                    r.lookAt(n),
                    r.updateMatrix(),
                    r.updateMatrixWorld();
                    var a = r.matrixWorldInverse
                      , o = new kn;
                    e ? e.forEach(function(e) {
                        e = e.clone().applyMatrix4(a);
                        o.expandByPoint(e)
                    }) : o = t.applyMatrix4(a),
                    e = o.getSize(new Cn),
                    c.boundBox || (c.boundBox = new Hr(new Cl(1,1,1,1)),
                    c.boundBox.material.wireframe = !0,
                    c.boundBox.up.set(0, 0, 1),
                    viewer.updateVisible(c.boundBox, "hidden", !1),
                    c.setObjectLayers(c.boundBox, "sceneObjects"),
                    c.scene.scene.add(c.boundBox)),
                    c.boundBox.position.copy(n),
                    c.boundBox.scale.copy(e),
                    c.boundBox.lookAt(i),
                    e.x *= 1.1,
                    e.y *= 1.1;
                    var t = e.x / e.y;
                    return E = g.aspect > t ? e.y / 2 / Math.tan(gn.degToRad(g.fov / 2)) + e.z / 2 : (t = Rg.getHFOVForCamera(g, !0),
                    e.x / 2 / Math.tan(t / 2) + e.z / 2),
                    E = Math.max(.1, E),
                    i = (new Cn).subVectors(i, n).normalize(),
                    s.dontLookUp && i.z < 0 && i.negate(),
                    h.copy(n).add(i.multiplyScalar(E)),
                    h
                }
                var r, a, o, l, p, f, m, v, g = viewer.scene.getActiveCamera(), y = g.position.clone();
                if (this.images360.flying)
                    return this.images360.addEventListener("cameraMoveDone", function e() {
                        c.focusOnObject(u, t, n, $.extend(s, {
                            deferred: i
                        })),
                        c.images360.removeEventListener("cameraMoveDone", e)
                    }),
                    {
                        promise: i.promise()
                    };
                if ("measure" == t) {
                    if (d.copy(u.getCenter()),
                    u.facePlane ? (u.facePlane && (l = u.facePlane.normal.clone()),
                    r = this.scene.view.direction.angleTo(l),
                    (a = gn.degToRad(60)) < r && r < Math.PI - a && (r < Math.PI / 2 && l.negate(),
                    o = (new Cn).subVectors(g.position, d).normalize(),
                    p = (new Cn).addVectors(o, l),
                    y.copy(d.clone().add(p)))) : 2 == u.points.length ? (o = (new Cn).subVectors(u.points[0], u.points[1]).normalize(),
                    ((l = this.scene.view.direction.angleTo(o)) < (p = .25 * Math.PI) || l > Math.PI - p) && (l > Math.PI / 2 && o.negate(),
                    v = (new Cn).subVectors(g.position, d).normalize(),
                    f = (new Cn).addVectors(o, v).normalize(),
                    v = (new Cn).addVectors(v, f),
                    y.copy(d.clone().add(v)))) : console.error("measure 没有facePlane points点数还不为2？"),
                    h = e(u.points, null, d, y),
                    this.mapViewer && (f = new yn(4,4),
                    m = new kn,
                    u.points.forEach(function(e) {
                        m.expandByPoint(e)
                    }),
                    (v = m.getSize(new Cn).clone().multiplyScalar(2)).x = Math.max(f.x, v.x),
                    v.y = Math.max(f.y, v.y),
                    this.mapViewer.moveTo(d.clone(), v, n)),
                    "showPointCloud" == Potree.settings.displayMode) {
                        var w = .3;
                        !function() {
                            var t = c.inputHandler.ifBlockedByIntersect(h, null, !0, d);
                            if (t) {
                                for (var e, n = 0, i = 0, r = 0; r < u.points.length; r++) {
                                    var a = u.points[r];
                                    if (c.inputHandler.ifBlockedByIntersect(a, .3, !0, h, 4)) {
                                        if (.5 <= ++n / u.points.length) {
                                            e = !1;
                                            break
                                        }
                                    } else if (.5 < ++i / u.points.length) {
                                        e = !0;
                                        break
                                    }
                                }
                                var o, s, l = function() {
                                    var e = (new Cn).subVectors(h, d).normalize().multiplyScalar(t.distance);
                                    h.copy(d).add(e),
                                    console.log("checkIntersect newPos", h.clone())
                                };
                                (e = null == e ? .5 < i / u.points.length : e) || (t.distance < w ? (console.log("检测到intersect 反向", t.distance),
                                o = h.clone(),
                                s = (new Cn).subVectors(h, d),
                                h.copy(d).sub(s),
                                (s = c.inputHandler.ifBlockedByIntersect(h, null, !0, d)) && (s.distance < t.distance && h.copy(o),
                                l())) : l())
                            }
                        }()
                    } else if ("showPanos" == Potree.settings.displayMode) {
                        var b = viewer.images360.fitPanoTowardPoint({
                            target: d,
                            point: h,
                            bestDistance: 0,
                            checkIntersect: s.checkIntersect
                        });
                        if (b && viewer.images360.flyToPano({
                            pano: b,
                            target: d,
                            duration: n,
                            deferred: i,
                            dontMoveMap: !0,
                            basePanoSize: s.basePanoSize
                        }),
                        viewer.images360.currentPano != b)
                            return {
                                promise: i.promise()
                            };
                        var x = viewer.images360.currentPano.position.distanceTo(d)
                          , b = h.distanceTo(d);
                        return console.log("dis1 / dis2", x / b, "dis1-dis2", x - b),
                        {
                            mag: 1.5 < x / b && 10 < x - b ? "tooFar" : "posNoChange",
                            promise: i.promise()
                        }
                    }
                } else if ("tag" == t || "point" == t) {
                    d.copy(u.position);
                    var E, x = s.distance || 3;
                    if (!s.dontMoveMap && this.mapViewer && this.mapViewer.moveTo(d.clone(), null, n),
                    "showPointCloud" == Potree.settings.displayMode)
                        s.dontChangePos ? h.copy(y) : (E = x,
                        b = (s.direction ? s.direction.clone() : this.mainViewport.view.direction).negate(),
                        s.dontLookUp && b.z < 0 && (b.z *= -1),
                        h.copy(d).add(b.multiplyScalar(E)));
                    else if ("showPanos" == Potree.settings.displayMode) {
                        x = viewer.images360.fitPanoTowardPoint({
                            point: d,
                            bestDistance: x
                        });
                        return x && viewer.images360.flyToPano({
                            pano: x,
                            target: d,
                            duration: n,
                            deferred: i,
                            dontMoveMap: !0,
                            basePanoSize: s.basePanoSize
                        }),
                        {
                            promise: i.promise()
                        }
                    }
                } else if (u.boundingBox && "boundingBox" == t && (d = u.boundingBox.getCenter(new Cn),
                h = e(u.points, u.boundingBox, d, y),
                "showPanos" == Potree.settings.displayMode)) {
                    y = viewer.images360.fitPanoTowardPoint({
                        point: h,
                        bestDistance: 0
                    });
                    return y && viewer.images360.flyToPano({
                        pano: y,
                        target: d,
                        duration: n,
                        deferred: i,
                        dontMoveMap: !0,
                        basePanoSize: s.basePanoSize
                    }),
                    y || console.error("no pano"),
                    {
                        promise: i.promise()
                    }
                }
                return viewer.scene.view.setView({
                    position: h,
                    target: d,
                    duration: n,
                    callback: function() {
                        i.resolve()
                    }
                }),
                {
                    promise: i.promise()
                }
            }
        }, {
            key: "flyToDataset",
            value: function() {
                function e() {
                    var e = [ly.scoreFunctions.distanceSquared({
                        position: o
                    })];
                    if ((e = Fm.sortByScore(r.panos, [], e)) && e.length)
                        return e[0].item
                }
                var t, n, i = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}, r = i instanceof Si ? i : i.pointcloud || this.scene.pointclouds.find(function(e) {
                    return e.dataset_id == i.id
                }), a = null == i.duration ? 1e3 : i.duration, o = r.bound.getCenter(new Cn);
                if ("showPanos" == Potree.settings.displayMode) {
                    var s = e();
                    if (!s)
                        return !1;
                    if (s == this.images360.currentPano)
                        return "posNoChange";
                    this.images360.flyToPano({
                        pano: s
                    })
                } else if (n = o,
                r.panosBound && (n = r.panosBound.center.clone(),
                (s = e()) && (t = s.position,
                n.z = t.z)),
                this.modules.Clip.editing)
                    n.z = o.z,
                    this.modules.Clip.bus.dispatchEvent({
                        type: "flyToPos",
                        position: n
                    });
                else {
                    if (Up.closeTo(n, this.images360.position))
                        return "posNoChange";
                    viewer.scene.view.setView({
                        position: n,
                        target: t,
                        duration: a
                    }),
                    i.dontMoveMap || viewer.mapViewer.moveTo(n.clone(), null, a)
                }
                return !0
            }
        }, {
            key: "resolveTimings",
            value: function(e) {
                if (Potree.measureTimings && (this.toggle || (this.toggle = e),
                1e3 < e - this.toggle)) {
                    var t, n = performance.getEntriesByType("measure"), i = new Set, r = ue(n);
                    try {
                        for (r.s(); !(t = r.n()).done; ) {
                            var a = t.value;
                            i.add(a.name)
                        }
                    } catch (e) {
                        r.e(e)
                    } finally {
                        r.f()
                    }
                    var o, s = new Map, l = ue(i);
                    try {
                        for (l.s(); !(o = l.n()).done; ) {
                            var u = o.value;
                            s.set(u, {
                                measures: [],
                                sum: 0,
                                n: 0,
                                min: 1 / 0,
                                max: -1 / 0
                            })
                        }
                    } catch (e) {
                        l.e(e)
                    } finally {
                        l.f()
                    }
                    var c, d = ue(n);
                    try {
                        for (d.s(); !(c = d.n()).done; ) {
                            var h = c.value
                              , p = s.get(h.name);
                            p.measures.push(h),
                            p.sum += h.duration,
                            p.n++,
                            p.min = Math.min(p.min, h.duration),
                            p.max = Math.max(p.max, h.duration)
                        }
                    } catch (e) {
                        d.e(e)
                    } finally {
                        d.f()
                    }
                    var f, m = ue(Potree.resolveQueries(this.renderer.getContext()));
                    try {
                        for (m.s(); !(f = m.n()).done; ) {
                            var v = N(f.value, 2)
                              , g = v[0]
                              , y = v[1]
                              , w = {
                                measures: y.map(function(e) {
                                    return {
                                        duration: e
                                    }
                                }),
                                sum: y.reduce(function(e, t) {
                                    return e + t
                                }, 0),
                                n: y.length,
                                min: Math.min.apply(Math, Q(y)),
                                max: Math.max.apply(Math, Q(y))
                            }
                              , b = "[tq] ".concat(g);
                            s.set(b, w),
                            i.add(b)
                        }
                    } catch (e) {
                        m.e(e)
                    } finally {
                        m.f()
                    }
                    var x, E = ue(s);
                    try {
                        for (E.s(); !(x = E.n()).done; ) {
                            var _ = N(x.value, 2)
                              , M = (_[0],
                            _[1]);
                            M.mean = M.sum / M.n,
                            M.measures.sort(function(e, t) {
                                return e.duration - t.duration
                            }),
                            1 === M.n ? M.median = M.measures[0].duration : 1 < M.n && (M.median = M.measures[parseInt(M.n / 2)].duration)
                        }
                    } catch (e) {
                        E.e(e)
                    } finally {
                        E.f()
                    }
                    var A = Array.from(i).reduce(function(e, t) {
                        return Math.max(e, t.length)
                    }, 0) + 5
                      , T = " ".concat("NAME".padEnd(A), " |") + " ".concat("MIN".padStart(10), " |") + " ".concat("MEDIAN".padStart(10), " |") + " ".concat("MAX".padStart(10), " |") + " ".concat("SAMPLES".padStart(6), " \n");
                    T += " ".concat("-".repeat(T.length), "\n");
                    var S, C = ue(i = Array.from(i).sort());
                    try {
                        for (C.s(); !(S = C.n()).done; ) {
                            var P = S.value
                              , D = s.get(P)
                              , k = D.min.toFixed(3)
                              , B = D.median.toFixed(3)
                              , L = D.max.toFixed(3)
                              , R = D.n;
                            T += " ".concat(P.padEnd(A), " |") + " ".concat(k.padStart(10), " |") + " ".concat(B.padStart(10), " |") + " ".concat(L.padStart(10), " |") + " ".concat(R.toString().padStart(6), "\n")
                        }
                    } catch (e) {
                        C.e(e)
                    } finally {
                        C.f()
                    }
                    T += "\n",
                    console.log(T),
                    performance.clearMarks(),
                    performance.clearMeasures(),
                    this.toggle = e
                }
            }
        }, {
            key: "loop",
            value: function(e) {
                this.stats && this.stats.begin(),
                Potree.measureTimings && performance.mark("loop-start"),
                this.update(this.clock.getDelta(), e),
                this.magnifier.render(),
                this.render(),
                Potree.measureTimings && (performance.mark("loop-end"),
                performance.measure("loop", "loop-start", "loop-end")),
                this.resolveTimings(e),
                Potree.framenumber++,
                this.stats && this.stats.end()
            }
        }, {
            key: "postError",
            value: function(e) {
                e = this.postMessage(e, 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {});
                return e.element.addClass("potree_message_error"),
                e
            }
        }, {
            key: "postMessage",
            value: function(e) {
                var t = this
                  , n = 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : {}
                  , i = new Xv(e);
                return i.element.css("display", "none"),
                i.elClose.click(function() {
                    i.element.slideToggle(100);
                    var e = t.messages.indexOf(i);
                    0 <= e && t.messages.splice(e, 1)
                }),
                this.elMessages.prepend(i.element),
                i.element.slideToggle(100),
                this.messages.push(i),
                void 0 !== n.duration && setTimeout(function() {
                    i.element.animate({
                        opacity: 0
                    }, 500),
                    i.element.slideToggle(200)
                }, n.duration),
                i
            }
        }, {
            key: "getBoundingBox",
            value: function(e) {
                return this.bound || this.updateModelBound(),
                this.bound.boundingBox.clone()
            }
        }, {
            key: "updateModelBound",
            value: function() {
                var t = this;
                this.bound = Jf.computePointcloudsBound(this.scene.pointclouds),
                Potree.settings.boundAddObjs && (this.objs.children.forEach(function(e) {
                    t.bound.boundingBox.union(e.boundingBox.clone().applyMatrix4(e.matrixWorld))
                }),
                this.bound.boundingBox.getSize(this.bound.boundSize),
                this.bound.boundingBox.getCenter(this.bound.center)),
                viewer.farWhenShowPano = 10 * this.bound.boundSize.length();
                var e = new kn;
                e.expandByPoint(this.bound.boundingBox.min.clone()),
                e.expandByPoint(this.bound.boundingBox.max.clone().setZ(this.bound.center.z)),
                Fg.boundPlane = e,
                Fg.standardSpeed = gn.clamp(Math.sqrt(this.bound.boundSize.length()) / 100, .02, .5),
                viewer.scene.pointclouds.forEach(function(e) {
                    e.material.heightMin = t.bound.boundingBox.min.z,
                    e.material.heightMax = t.bound.boundingBox.max.z
                }),
                this.dispatchEvent({
                    type: "updateModelBound"
                })
            }
        }, {
            key: "waitForLoad",
            value: function(e, t) {
                this.waitQueue.push({
                    object: e,
                    isLoadedCallback: t
                }),
                1 === this.waitQueue.length && this.dispatchEvent({
                    type: "loading",
                    show: !0
                })
            }
        }, {
            key: "ifAllLoaded",
            value: function(e) {
                0 < this.waitQueue.length && (this.waitQueue = this.waitQueue.filter(function(e) {
                    return !e.isLoadedCallback()
                })),
                0 === this.waitQueue.length && this.dispatchEvent({
                    type: "loading",
                    show: !1
                })
            }
        }, {
            key: "setView",
            value: function() {
                var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                null != e.pano ? this.images360.flyToPano(e) : this.scene.view.setView($.extend({}, e, {
                    callback: function() {
                        e.displayMode && (Potree.settings.displayMode = e.displayMode),
                        e.callback && e.callback()
                    }
                }))
            }
        }, {
            key: "setPointStandardMat",
            value: function(e, t, n) {
                var i = this;
                if (console.log("setPointStandardMat", e),
                e) {
                    if (this.pointStatesBefore)
                        return console.error("已设置过pointStatesBefore！");
                    this.pointStatesBefore = {
                        opacity: new Map,
                        size: new Map,
                        density: Potree.settings.pointDensity,
                        useEDL: this.getEDLEnabled(),
                        shape: viewer.scene.pointclouds[0].material.shape
                    },
                    viewer.scene.pointclouds.forEach(function(e) {
                        i.pointStatesBefore.opacity.set(e, e.temp.pointOpacity),
                        i.pointStatesBefore.colorType = e.material.activeAttributeName,
                        n && i.pointStatesBefore.size.set(e, e.temp.pointSize)
                    }),
                    t && (Potree.settings.pointDensity = t),
                    n && (Potree.settings.sizeFitToLevel = !0),
                    viewer.scene.pointclouds.forEach(function(e) {
                        e.material.activeAttributeName = "rgba",
                        e.material.shape = Potree.PointShape.SQUARE,
                        n && e.changePointSize(Potree.config.material.realPointSize, !0),
                        e.changePointOpacity(1)
                    }),
                    viewer.setEDLEnabled(!1)
                } else {
                    if (!this.pointStatesBefore)
                        return console.error("未设置过pointStatesBefore！");
                    Potree.settings.sizeFitToLevel = !1,
                    t && (Potree.settings.pointDensity = this.pointStatesBefore.pointDensity),
                    viewer.scene.pointclouds.forEach(function(e) {
                        e.material.activeAttributeName = i.pointStatesBefore.colorType,
                        e.changePointOpacity(i.pointStatesBefore.opacity.get(e)),
                        e.material.shape = i.pointStatesBefore.shape;
                        var t = i.pointStatesBefore.size.get(e);
                        t && e.changePointSize(t)
                    }),
                    viewer.setEDLEnabled(this.pointStatesBefore.useEDL),
                    this.pointStatesBefore = null
                }
            }
        }, {
            key: "transformObject",
            value: function(e) {
                var t = viewer.inputHandler.selection[0];
                if (e) {
                    if (t && t != e)
                        return this.transformObject(null);
                    e.boundingBox || (e.boundingBox = new kn),
                    viewer.inputHandler.selection.includes(e) || viewer.inputHandler.toggleSelection(e)
                } else
                    t && viewer.inputHandler.toggleSelection(t)
            }
        }, {
            key: "pointInWhichPointcloud",
            value: function(n) {
                var e = Fm.sortByScore(this.scene.pointclouds, [], [function(e) {
                    var t = e.pcoGeometry.tightBoundingBox.getSize(new Cn)
                      , e = e.bound.getCenter(new Cn);
                    return t.length() / 2 / n.distanceTo(e)
                }
                ]);
                return 1 < (e && e[0]).score ? e[0].item : null
            }
        }, {
            key: "loadModel",
            value: function(r, a, t, e) {
                var o = this
                  , s = new kn;
                Potree.settings.boundAddObjs || (s.min.set(-.5, -.5, -.5),
                s.max.set(.5, .5, .5));
                function n(n, e, t) {
                    function i(e) {
                        var t = r.transform[e];
                        t && (t instanceof Array ? n[e].fromArray(t) : n[e].copy(t))
                    }
                    n.updateMatrixWorld(),
                    e = Math.round(e / 1024 / 1024 * 100) / 100,
                    null != r.id && (n.dataset_id = r.id),
                    console.log(t.split("/").pop(), "加载完毕， 模型数据量：" + e + "M"),
                    o.setObjectLayers(n, "model"),
                    n.traverse(function(e) {
                        var t;
                        e instanceof Hr && (e.renderOrder = 10,
                        Potree.settings.boundAddObjs && (e.geometry.computeBoundingBox(),
                        s.union(e.geometry.boundingBox.clone().applyMatrix4(e.matrixWorld))),
                        Fm.makeTexDontResize(e.material.map),
                        !r.unlit || e.material instanceof $i && "glb" != l || (t = new fx({
                            map: e.material.map
                        }),
                        e.material = t),
                        e.material instanceof Hu && (e.material.roughness = .6,
                        e.material.metalness = .3))
                    }),
                    n.name = null != r.name ? r.name : "obj",
                    o.objs.add(n),
                    n.boundingBox = s,
                    i("position"),
                    i("rotation"),
                    i("scale"),
                    r.moveWithPointcloud && (n.updateMatrix(),
                    n.matrixAutoUpdate = !1,
                    n.matrix.premultiply(viewer.scene.pointclouds[0].transformMatrix),
                    n.matrixWorldNeedsUpdate = !0),
                    a && a(n)
                }
                function i(e) {
                    e.lengthComputable && (e = e.loaded / e.total * 100,
                    t && t(e))
                }
                var l = r.objurl ? "obj" : "glb";
                "obj" == l ? vx.mtlLoader.load(r.mtlurl, function(e) {
                    e.preload(),
                    vx.objLoader.setMaterials(e).load(r.objurl, function(e, t) {
                        n(e, t, r.objurl)
                    })
                }, i, e) : "glb" == l && (vx.glbLoader.unlitMat = !0,
                vx.glbLoader.load(r.glburl, function(e, t) {
                    n(e.scene, t, r.glburl)
                }, i, e))
            }
        }, {
            key: "removeObj",
            value: function(e) {
                this.objs.remove(e),
                Potree.settings.boundAddObjs && this.updateModelBound()
            }
        }, {
            key: "loadGLTF",
            value: function() {
                var t = this
                  , e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : "87b3a367bc3e4273832cb4fa398782e5.glb";
                new Qw(void 0,this.renderer).setPath(Potree.resourcePath + "/models/glb/").load(e, function(e) {
                    console.log("loadGLTF", e),
                    t.objs.add(e.scene)
                })
            }
        }, {
            key: "addFire",
            value: function() {
                var e;
                "t-CwfhfqJ" == Potree.settings.number && (e = Potree.Utils.datasetPosTransform({
                    pointcloud: viewer.scene.pointclouds[0],
                    position: new Cn(4.4318,-.580291847759,-.78),
                    fromDataset: !0
                }),
                viewer.modules.ParticleEditor.addParticle({
                    type: "fire",
                    positions: [e],
                    radius: .42,
                    height: 10
                }),
                viewer.modules.ParticleEditor.addParticle({
                    type: "smoke",
                    positions: [(new Cn).addVectors(e, new Cn(0,0,.3))],
                    positionStyle: "sphere",
                    positionRadius: .3,
                    sizeTween: [[0, .3, .9, 1], [.05, .1, 1, .8]],
                    opacityBase: .2,
                    opacityTween: [[0, .3, .7, .95, 1], [0, .2, 1, .1, 0]],
                    velocityBase: new Cn(0,0,1),
                    velocitySpread: new Cn(.2,.2,-.3),
                    accelerationBase: .2,
                    accelerationSpread: .7,
                    radius: 0,
                    particleDeathAge: 3
                }),
                viewer.modules.ParticleEditor.addParticle({
                    type: "explode",
                    name: "fire splash",
                    position: (new Cn).addVectors(e, new Cn(0,0,.3)),
                    size: .1,
                    sizeRange: .3,
                    sizeTween: [[0, .05, .3, .45], [0, .02, .1, .05]],
                    opacityTween: [[0, .05, .3, .45], [1, 1, .5, 0]],
                    speed: 1,
                    speedRange: 4,
                    radius: .1,
                    acceleration: .3,
                    accelerationRange: 1,
                    particleSpaceTime: 0,
                    strength: 4
                }))
            }
        }, {
            key: "addVideo11",
            value: function() {
                var n, e, i, r, t = this;
                "SS-fckI7CClKC" == Potree.settings.number && ((n = $('<video  controls="controls" loop autoplay x5-playsinline="" webkit-playsinline="true" playsinline="true" controlslist="nodownload"></video>')[0]).setAttribute("crossOrigin", "Anonymous"),
                e = new wl(n),
                (i = this.videoPlane = new Hr(new bu(1,1,1,1),new $i({
                    color: "#ffffff",
                    transparent: !0,
                    depthTest: !1,
                    opacity: .7,
                    side: 2,
                    map: e
                }))).visible = !1,
                i.geometry.computeBoundingBox(),
                i.boundingBox = i.geometry.boundingBox.clone(),
                i.boundingBox.max.z = 1,
                i.boundingBox.max.y = -.4,
                i.boundingBox.max.x = 1,
                n.addEventListener("loadeddata", function(e) {
                    n.play(),
                    console.log("video loadeddata")
                }),
                i.scale.set(1.08, 1.92, 1),
                this.addEventListener("global_mousedown", function e() {
                    n.play(),
                    t.removeEventListener("global_mousedown", e)
                }),
                r = {
                    9: {
                        rotation: [-1.432978005954197, 1.2296264545169697, 3.0098547630197667],
                        position: [6.532456676287381, -9.806373049095631, -.024205281024294284]
                    },
                    19: {
                        rotation: [1.627167773445286, -1.172425902600188, .04682299709711613],
                        position: [-9.558613948539932, -1.042301166581578, .08159683876743667]
                    }
                },
                this.images360.addEventListener("flyToPano", function(e) {
                    var t;
                    "showPanos" == Potree.settings.displayMode && ((t = r[e.toPano.pano.id]) && setTimeout(function() {
                        i.visible = !0,
                        i.position.fromArray(t.position),
                        i.rotation.fromArray(t.rotation),
                        n.src = Potree.resourcePath + "/video/".concat(Potree.settings.number, "/").concat(e.toPano.pano.id, ".mp4"),
                        n.play(),
                        n.currentTime = 0,
                        Potree.settings.zoom.enabled = !1,
                        gv.start(vv(i.material, "opacity", 1), .4 * e.toPano.duration, function() {}, 0, pv.easeInOutQuad)
                    }, .6 * e.toPano.duration),
                    gv.start(vv(i.material, "opacity", 0), .4 * e.toPano.duration, function() {
                        t || (i.visible = !1,
                        n.pause(),
                        Potree.settings.zoom.enabled = !0)
                    }, 0, pv.easeInOutQuad))
                }),
                this.images360.addEventListener("endChangeMode", function(e) {
                    "showPanos" == e.mode ? (e = r[t.images360.currentPano.id]) && (i.visible = !0,
                    i.position.fromArray(e.position),
                    i.rotation.fromArray(e.rotation),
                    i.material.opacity = 0,
                    n.src = Potree.resourcePath + "/video/".concat(Potree.settings.number, "/").concat(t.images360.currentPano.id, ".mp4"),
                    n.play(),
                    n.currentTime = 0,
                    Potree.settings.zoom.enabled = !1,
                    gv.start(vv(i.material, "opacity", 1, function(e) {
                        console.log("fadeIn", e)
                    }), 300, function() {}, 0, pv.easeInOutQuad)) : (i.visible = !1,
                    Potree.settings.zoom.enabled = !0)
                }),
                this.scene.scene.add(i))
            }
        }, {
            key: "addVideo",
            value: function() {
                var r, e, a = this;
                "SS-t-P6zBR73Gke" == Potree.settings.number && (r = new bu(1,1,1,1),
                e = this.videoInfo = [{
                    id: "40-2",
                    url: "https://laser-oss.4dkankan.com/testdata/SS-t-P6zBR73Gke/temp/poi/2022/05/10/0aabafee-36b8-455d-9c11-0780bf694786.mp4",
                    rotation: [-1.494468618954883, -1.4987317433158989, -3.061254983446741],
                    position: [19.801820617361624, 2.884673619844108, -.03362305858221648],
                    scale: [3.5741423153151763, 2.8738725275578703, 1]
                }, {
                    id: 40,
                    url: "https://laser-oss.4dkankan.com/testdata/SS-t-P6zBR73Gke/temp/poi/2022/05/09/7896d6ef-a2d6-4fd7-949c-768782a5b484.mp4",
                    rotation: [-1.5487684197910518, .021848470169552752, -3.1387534893955236],
                    position: [17.277316608096, 2.0840432922115846, -.0931149415437065],
                    scale: [2.0821757723834047, .6129478480765236, 1],
                    visibles: [40]
                }],
                e.forEach(function(e) {
                    !function(t) {
                        var n = $('<video  controls="controls" loop autoplay x5-playsinline="" webkit-playsinline="true" playsinline="true" controlslist="nodownload"></video>')[0];
                        n.setAttribute("crossOrigin", "Anonymous"),
                        n.src = t.url || Potree.resourcePath + "/video/".concat(Potree.settings.number, "/").concat(t.id, ".mp4");
                        var e = new wl(n)
                          , i = a.videoPlane = new Hr(r,new $i({
                            color: "#ffffff",
                            transparent: !0,
                            depthTest: !1,
                            opacity: 0,
                            map: e
                        }));
                        i.position.fromArray(t.position),
                        i.rotation.fromArray(t.rotation),
                        t.scale && i.scale.fromArray(t.scale),
                        a.scene.scene.add(i),
                        (t.plane = i).boundingBox = new kn(new Cn(0,-.5,0),new Cn(1,-.4,.2)),
                        n.addEventListener("loadeddata", function(e) {
                            n.play(),
                            t.visibles || (i.material.opacity = 1),
                            t.scale || i.scale.set(n.videoWidth / 1e3, n.videoHeight / 1e3, 1),
                            console.log("video loadeddata", t.id)
                        }),
                        t.visibles && a.images360.addEventListener("flyToPano", function(e) {
                            t.visibles.includes(e.toPano.pano.id) ? setTimeout(function() {
                                i.visible = !0,
                                n.currentTime = 0,
                                n.play(),
                                n.paused && a.addEventListener("global_mousedown", function e() {
                                    i.visible && n.play(),
                                    a.removeEventListener("global_mousedown", e)
                                }),
                                Potree.settings.zoom.enabled = !1,
                                gv.start(vv(i.material, "opacity", 1), .4 * e.toPano.duration, function() {}, 0, pv.easeInOutQuad)
                            }, .6 * e.toPano.duration) : gv.start(vv(i.material, "opacity", 0), .4 * e.toPano.duration, function() {
                                t || (i.visible = !1,
                                n.pause(),
                                Potree.settings.zoom.enabled = !0)
                            }, 0, pv.easeInOutQuad)
                        }),
                        a.addEventListener("global_mousedown", function e() {
                            n.play(),
                            a.removeEventListener("global_mousedown", e)
                        }),
                        Potree.settings.isTest && i.addEventListener("select", function(e) {
                            console.log(e)
                        })
                    }(e)
                }))
            }
        }]),
        v
    }();
    ed.prototype.zoomTo = function(e) {
        (e.geometry || e.boundingBox) && this.updateProjectionMatrix()
    }
    ,
    $r.prototype.zoomTo = function(e, t) {
        var n, i;
        (e.geometry || e.boundingSphere || e.boundingBox) && (e.geometry && null === e.geometry.boundingSphere && e.geometry.computeBoundingSphere(),
        e.updateMatrixWorld(),
        i = t || 1,
        t = (n = (n = e.boundingSphere || (e.geometry && e.geometry.boundingSphere ? e.geometry.boundingSphere : e.boundingBox.getBoundingSphere(new qn))).clone().applyMatrix4(e.matrixWorld)).radius,
        e = this.fov * Math.PI / 180,
        this.aspect < 1 && (e *= this.aspect),
        i = Math.abs(t / Math.sin(e / 2)) * i,
        i = this.getWorldDirection(new Cn).multiplyScalar(-i),
        this.position.copy(n.center.clone().add(i)))
    }
    ,
    ti.prototype.distanceToPlaneWithNegative = function(e) {
        var t = e.normal.dot(this.direction);
        return 0 === t ? 0 === e.distanceToPoint(this.origin) ? 0 : null : -(this.origin.dot(e.normal) + e.constant) / t
    }
    ;
    rh = new ch,
    Ou = new xu;
    le.scriptPath = "",
    document.currentScript && document.currentScript.src ? le.scriptPath = new URL(document.currentScript.src + "/..").href : ("undefined" == typeof document ? new (require("url").URL)("file:" + __filename).href : document.currentScript && document.currentScript.src || new URL("potree.js",document.baseURI).href,
    le.scriptPath = new URL(("undefined" == typeof document ? new (require("url").URL)("file:" + __filename).href : document.currentScript && document.currentScript.src || new URL("potree.js",document.baseURI).href) + "/..").href),
    "/" === le.scriptPath.slice(-1) && (le.scriptPath = le.scriptPath.slice(0, -1));
    var yx, Dl = le.scriptPath + "/resources";
    function wx(e, t, n) {
        return bx.apply(this, arguments)
    }
    function bx() {
        return (bx = r(regeneratorRuntime.mark(function e(t, n, i) {
            var r;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        if (!Potree.fileServer) {
                            e.next = 4;
                            break
                        }
                        Potree.fileServer.get(t).then(function(e) {
                            n && n(e)
                        }).catch(i),
                        e.next = 20;
                        break;
                    case 4:
                        return e.prev = 4,
                        e.next = 7,
                        fetch(t);
                    case 7:
                        return r = e.sent,
                        e.next = 10,
                        r.text();
                    case 10:
                        return r = e.sent,
                        (r = JSON.parse(r)).data && (r = r.data),
                        n && n(r),
                        e.abrupt("return", r);
                    case 17:
                        e.prev = 17,
                        e.t0 = e.catch(4),
                        i && i(e.t0);
                    case 20:
                    case "end":
                        return e.stop()
                    }
            }, e, null, [[4, 17]])
        }))).apply(this, arguments)
    }
    function xx() {
        return (xx = r(regeneratorRuntime.mark(function e(t, n, i) {
            var r;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        return n = n || Potree.settings.number,
                        r = (Potree.fileServer ? "/laser/dataset/" : "".concat(Potree.settings.urls.prefix4, "laser/dataset/")).concat(n, "/getDataSet"),
                        e.abrupt("return", wx(r, t, i));
                    case 3:
                    case "end":
                        return e.stop()
                    }
            }, e)
        }))).apply(this, arguments)
    }
    function Ex() {
        return (Ex = r(regeneratorRuntime.mark(function e(t, n) {
            var i, r, a = this;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        if (Potree.settings.floorplanEnable || n || !Potree.fileServer) {
                            e.next = 2;
                            break
                        }
                        return e.abrupt("return");
                    case 2:
                        i = "all" == t ? viewer.scene.pointclouds.map(function(e) {
                            return e.dataset_id
                        }) : [t],
                        r = function(t, e, n) {
                            e == Potree.settings.floorplanType[t] && ((e = viewer.mapViewer.mapLayer.maps.find(function(e) {
                                return e.name == "floorplan_" + t
                            })) && viewer.mapViewer.mapLayer.removeMap(e),
                            n = viewer.mapViewer.mapLayer.addMapEntity(n.data || n, t),
                            e && (n.visibleReasons = e.visibleReasons,
                            n.unvisibleReasons = e.unvisibleReasons),
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                        }
                        ,
                        i.forEach(function(e) {
                            var t = Potree.settings.floorplanType[e];
                            if (t) {
                                var n = Potree.fileServer ? "/laser/tiledMap/".concat(Potree.settings.number, "/tiledMap/").concat(t, "/").concat(e) : "".concat(Potree.settings.urls.prefix2, "/indoor/").concat(Potree.settings.number, "/api/tiled_maps");
                                return Potree.settings.floorplanRequests[e] = !0,
                                wx(n, r.bind(a, e, t))
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                        });
                    case 6:
                    case "end":
                        return e.stop()
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            }, e)
        }))).apply(this, arguments)
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    function _x() {
        return (_x = r(regeneratorRuntime.mark(function e(t, n) {
            var i;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        return i = "?datasetId=".concat(t),
                        i = Potree.fileServer ? "/laser/filter/".concat(Potree.settings.number, "/query") + i : "".concat(Potree.settings.urls.prefix4, "laser/filter/").concat(Potree.settings.number, "/query") + i,
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                    case 3:
                    case "end":
                        return e.stop()
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        }))).apply(this, arguments)
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    function Mx() {
        return (Mx = r(regeneratorRuntime.mark(function e(t) {
            var n;
            return regeneratorRuntime.wrap(function(e) {
                for (; ; )
                    switch (e.prev = e.next) {
                    case 0:
                        return Potree.fileServer || (n = "".concat(Potree.scriptPath, "/data/panoEdit/vision_edit.txt")),
                        e.abrupt("return", wx(n, t));
                    case 2:
                    case "end":
                        return e.stop()
                    }
            }, e)
        }))).apply(this, arguments)
    }
    (yx = jQuery).fn.extend({
        selectgroup: function() {
            var e = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {}
              , o = yx(this)
              , t = o.prop("id")
              , s = "".concat(t)
              , e = void 0 !== e.title ? e.title : ""
              , l = [];
            o.find("option").each(function(e, t) {
                var n = yx(t).prop("id")
                  , i = yx(t).html()
                  , t = yx(t).prop("value")
                  , t = yx('\n\t\t\t\t\t<span style="flex-grow: 1; display: inherit">\n\t\t\t\t\t<label for="'.concat(n, '" class="ui-button" style="width: 100%; padding: .4em .1em">').concat(i, '</label>\n\t\t\t\t\t<input type="radio" name="').concat(s, '" id="').concat(n, '" value="').concat(t, '" style="display: none"/>\n\t\t\t\t\t</span>\n\t\t\t\t'))
                  , r = t.find("label")
                  , a = t.find("input");
                a.change(function() {
                    o.find("label").removeClass("ui-state-active"),
                    o.find("label").addClass("ui-state-default"),
                    a.is(":checked") && r.addClass("ui-state-active")
                }),
                l.push(t)
            });
            for (var e = yx('\n\t\t\t\t<fieldset style="border: none; margin: 0px; padding: 0px">\n\t\t\t\t\t<legend>'.concat(e, '</legend>\n\t\t\t\t\t<span style="display: flex">\n\n\t\t\t\t\t</span>\n\t\t\t\t</fieldset>\n\t\t\t')), n = e.find("span"), i = 0, r = l; i < r.length; i++) {
                var a = r[i];
                n.append(a)
            }
            n.find("label").each(function(e, t) {
                yx(t).css("margin", "0px"),
                yx(t).css("border-radius", "0px"),
                yx(t).css("border", "1px solid black"),
                yx(t).css("border-left", "none")
            }),
            n.find("label:first").each(function(e, t) {
                yx(t).css("border-radius", "4px 0px 0px 4px")
            }),
            n.find("label:last").each(function(e, t) {
                yx(t).css("border-radius", "0px 4px 4px 0px"),
                yx(t).css("border-left", "none")
            }),
            o.empty(),
            o.append(e)
        }
    }),
    le.Action = Zf,
    le.Alignment = C1,
    le.AnimationPath = Yd,
    le.Annotation = Kf,
    le.Box3Helper = Hm,
    le.BoxVolume = Zp,
    le.Buttons = rm,
    le.CameraAnimation = bv,
    le.CameraMode = em,
    le.ClassificationScheme = Bm,
    le.ClipMethod = nm,
    le.ClipTask = tm,
    le.ClipVolume = Vv,
    le.ClippingTool = jv,
    le.Compass = Kv,
    le.DeviceOrientationControls = Rw,
    le.DownloadStatus = vm,
    le.EarthControls = Lw,
    le.ElevationGradientRepeat = im,
    le.Enum = Mh,
    le.EnumItem = $f,
    le.EptBinaryLoader = Lv,
    le.EptKey = _u,
    le.EptLaszipLoader = wh,
    le.EptLazBatcher = Rv,
    le.EptLoader = Bv,
    le.EptZstandardLoader = Pu,
    le.EventDispatcher = Dh,
    le.EyeDomeLightingMaterial = _v,
    le.Features = jp,
    le.FirstPersonControls = Fg,
    le.GLCubeFaces = um,
    le.GeoPackageLoader = Fu,
    le.Geopackage = Hv,
    le.Gradients = km,
    le.HierarchicalSlider = zy,
    le.Images360 = ly,
    le.KeyCodes = ym,
    le.LRU = xu,
    le.LRUItem = wm,
    le.LengthUnits = lm,
    le.Log = function(e, t, n) {
        t = t || "#13f",
        n = n || 14,
        console.warn("%c".concat(e), "color:".concat(t, ";font-size:").concat(n, "px"))
    }
    ,
    le.Measure = Wf,
    le.MeasuringTool = Wv,
    le.Message = Xv,
    le.ModelManagerEvents = {
        ModelAdded: "model-added",
        ActiveModelChanged: "active-model-changed"
    },
    le.NormalizationEDLMaterial = Mv,
    le.NormalizationMaterial = Av,
    le.OrbitControls = Bw,
    le.OrientedImage = nw,
    le.OrientedImageLoader = pd,
    le.OrientedImages = iw,
    le.POCLoader = kv,
    le.PanoRendererEvents = dm,
    le.PanoSizeClass = cm,
    le.PanoramaEvents = gm,
    le.PathAnimation = Qf,
    le.PointAttribute = Am,
    le.PointAttributeTypes = Em,
    le.PointAttributes = Sm,
    le.PointCloudEptGeometry = Ud,
    le.PointCloudEptGeometryNode = Jd,
    le.PointCloudMaterial = Rm,
    le.PointCloudOctree = Um,
    le.PointCloudOctreeGeometry = Pm,
    le.PointCloudOctreeGeometryNode = Dm,
    le.PointCloudOctreeNode = Nm,
    le.PointCloudSM = pu,
    le.PointCloudTree = xm,
    le.PointCloudTreeNode = bm,
    le.PointShape = om,
    le.PointSizeType = am,
    le.Points = Gm,
    le.PolygonClipVolume = qf,
    le.Profile = Kp,
    le.ProfileData = Qm,
    le.ProfileRequest = _h,
    le.ProfileTool = qv,
    le.Renderer = Zm,
    le.Scene = rg,
    le.SceneRendererEvents = {
        ContextCreated: "scene-renderer-context-created",
        AfterRender: "after-render",
        MemoryUsageUpdated: "scene-renderer-memory-usage-updated"
    },
    le.ScreenBoxSelectTool = Jv,
    le.ShapefileLoader = ku,
    le.SphereVolume = Qp,
    le.SpotLightHelper = mu,
    le.TileDownloaderEvents = hm,
    le.TransformationTool = Zv,
    le.TreeType = sm,
    le.Utils = Jf,
    le.VRControls = gu,
    le.Vectors = pm,
    le.Vectors2 = fm,
    le.Version = Km,
    le.Viewer = Ch,
    le.Volume = Yp,
    le.VolumeTool = Qv,
    le.WorkerPool = ch,
    le.XHRFactory = Gp,
    le.config = T,
    le.debug = {},
    le.framenumber = 0,
    le.loadDatasets = function(e, t, n) {
        return xx.apply(this, arguments)
    }
    ,
    le.loadFile = wx,
    le.loadMapEntity = function(e, t) {
        return Ex.apply(this, arguments)
    }
    ,
    le.loadPanos = function(e, t) {
        return _x.apply(this, arguments)
    }
    ,
    le.loadPanosInfo = function(e) {
        return Mx.apply(this, arguments)
    }
    ,
    le.loadPointCloud = function(n, t, i, e, r, a) {
        var o = new Promise(function(t) {
            n && (0 < n.indexOf("ept.json") ? Bv.load(n, function(e) {
                e ? (e = new Um(e),
                t({
                    type: "pointcloud_loaded",
                    pointcloud: e
                })) : console.error(new Error("failed to load point cloud from URL: ".concat(n)))
            }) : 0 < n.indexOf("cloud.js") ? kv.load(n, e, function(e) {
                e ? (e = new Um(e),
                t({
                    type: "pointcloud_loaded",
                    pointcloud: e
                })) : (console.error(new Error("failed to load point cloud from URL: ".concat(n))),
                a && a())
            }) : 0 < n.indexOf(".vpc") ? PointCloudArena4DGeometry.load(n, function(e) {
                e ? (e = new PointCloudArena4D(e),
                t({
                    type: "pointcloud_loaded",
                    pointcloud: e
                })) : console.error(new Error("failed to load point cloud from URL: ".concat(n)))
            }) : console.error(new Error("failed to load point cloud from URL: ".concat(n))))
        }
        );
        if (!r)
            return o;
        o.then(function(e) {
            (e = e).pointcloud.name = t,
            e.pointcloud.sceneCode = i,
            r(e)
        })
    }
    ,
    le.loadProject = function(e, t, n) {
        return Ev.apply(this, arguments)
    }
    ,
    le.lru = Ou,
    le.maxNodesLoading = 4,
    le.mergeEditStart = function(e) {
        Potree.settings.editType = "merge",
        Potree.settings.intersectOnObjs = !0,
        Potree.settings.boundAddObjs = !0,
        Potree.settings.unableNavigate = !0;
        var s = new Potree.Viewer(e);
        s.modules.Alignment;
        s.setEDLEnabled(!1),
        s.setFOV(T.view.fov),
        s.loadSettingsFromURL(),
        s.mainViewport.view.position.set(30, 30, 30),
        s.mainViewport.view.lookAt(0, 0, 0),
        s.updateModelBound(),
        s.transformationTool.setModeEnable("scale", !1),
        s.ssaaRenderPass.sampleLevel = 1,
        s.inputHandler.fixSelection = !0,
        Potree.settings.sizeFitToLevel = !0,
        Potree.loadPointCloudScene = function(t, o, n) {
            Potree.loadDatasets(function(e) {
                var r = e.find(function(e) {
                    return e.sceneCode == t
                })
                  , e = "".concat(Potree.settings.urls.prefix, "/").concat(Potree.settings.webSite, "/").concat(t, "/data/").concat(t, "/webcloud/cloud.js")
                  , a = r.createTime ? r.createTime.replace(/[^0-9]/gi, "") : "";
                Potree.loadPointCloud(e, r.sceneName, t, a, function(e) {
                    var t = s.scene
                      , n = e.pointcloud
                      , i = Potree.config.material
                      , e = n.material;
                    e.minSize = i.minSize,
                    e.maxSize = i.maxSize,
                    e.pointSizeType = i.pointSizeType,
                    n.changePointSize(i.realPointSize),
                    n.changePointOpacity(1),
                    e.shape = Potree.PointShape.SQUARE,
                    n.color = n.material.color = r.color,
                    n.dataset_id = r.id,
                    n.timeStamp = a,
                    t.addPointCloud(n),
                    s.updateModelBound();
                    t = s.bound;
                    t.boundSize,
                    t.center;
                    s.dispatchEvent({
                        type: "loadPointCloudDone"
                    }),
                    Potree.settings.UserPointDensity || (Potree.settings.UserPointDensity = "high"),
                    Potree.Log("loadPointCloudDone  点云加载完毕", null, 10),
                    s.dispatchEvent("allLoaded"),
                    o(n)
                }, n)
            }, t, n)
        }
        ;
        function o(e) {
            var t = s.mainViewport.camera
              , n = new Cn(e.pointer.x,e.pointer.y,-1).unproject(t)
              , i = new Cn(e.pointer.x,e.pointer.y,1).unproject(t).sub(n)
              , t = (e = (0 - n.z) / i.z) * i.x + n.x
              , n = e * i.y + n.y;
            c.moveBoundCenterTo(u, new Cn(t,n,u.boundCenter.z)),
            u.dispatchEvent("position_changed")
        }
        function l() {
            return c.focusOn(u),
            t(),
            {
                stopContinue: !0
            }
        }
        var u, t = function() {
            u = null,
            s.removeEventListener("global_mousemove", o),
            s.removeEventListener("global_click", l)
        }, c = s.modules.MergeEditor;
        return Potree.addModel = function(i, r, e, t) {
            var n, a = function(e) {
                i.isFirstLoad ? (u = e,
                c.setModelBtmHeight(e, 0),
                s.addEventListener("global_mousemove", o),
                s.addEventListener("global_click", l, 3)) : (c.setModelBtmHeight(e, i.bottom || 0),
                u = null);
                function t() {
                    e.updateMatrixWorld(),
                    s.updateModelBound()
                }
                function n() {
                    c.maintainBoundXY(e),
                    c.setModelBtmHeight(e),
                    t(),
                    e.dispatchEvent("transformChanged")
                }
                e.addEventListener("position_changed", function() {
                    t(),
                    c.getBoundCenter(e),
                    c.computeBtmHeight(e),
                    i.bottomRange && (e.btmHeight > i.bottomRange.max || e.btmHeight < i.bottomRange.min) && (e.btmHeight = gn.clamp(e.btmHeight, i.bottomRange.min, i.bottomRange.max),
                    c.setModelBtmHeight(e),
                    t()),
                    e.dispatchEvent("transformChanged")
                }),
                e.addEventListener("rotation_changed", n),
                e.addEventListener("scale_changed", n),
                e.addEventListener("transformChanged", function() {
                    c.modelTransformCallback(e)
                }),
                e.updateMatrixWorld(),
                s.updateModelBound(),
                c.getBoundCenter(e),
                e.lastMatrixWorld = e.matrixWorld.clone(),
                r(e)
            };
            "laser" == i.type ? Potree.loadPointCloudScene(i.url, function(e) {
                e.matrixAutoUpdate = !0,
                e.initialPosition = e.position.clone(),
                e.pos1MatrixInvert = (new ni).setPosition(e.initialPosition).invert(),
                a(e)
            }, t) : (n = {
                name: i.type,
                id: i.id,
                unlit: !0,
                transform: {
                    position: i.position,
                    rotation: (new ci).setFromVector3(i.rotation),
                    scale: new Cn(i.scale,i.scale,i.scale)
                }
            },
            "glb" == i.type ? n.glburl = i.url : (n.objurl = i.url,
            n.mtlurl = i.mtlurl),
            s.loadModel(n, function(e) {
                e.isModel = !0,
                e.traverse(function(e) {
                    return e.material && (e.material.transparent = !0)
                }),
                a(e)
            }, e, t))
        }
        ,
        {
            THREE: mp
        }
    }
    ,
    le.numNodesLoading = 0,
    le.panoEditStart = function(e, t, n, i) {
        Potree.settings.editType = "pano",
        Potree.settings.number = t,
        Potree.settings.unableNavigate = !0;
        var c = new Potree.Viewer(e)
          , r = c.modules.Alignment;
        c.setEDLEnabled(!1),
        c.setFOV(T.view.fov),
        c.loadSettingsFromURL();
        var d = 0;
        Potree.settings.isOfficial || (c.loadGUI(function() {
            c.setLanguage("en"),
            $("#menu_tools").next().show(),
            $("#panos").show(),
            $("#alignment").show(),
            c.toggleSidebar()
        }),
        Potree.settings.sizeFitToLevel = !0);
        function h(e) {
            c.sidebar && c.sidebar.addAlignmentButton(e);
            var t = e.panos[0].dataRotation.z + Math.PI
              , n = e.panos[0].dataPosition.clone()//.negate();
            r.rotate(e, null, t),
            r.translate(e, n),
            e.updateMatrixWorld()
        }
        var a = Potree.loadPanosDone = function(a, o) {
            Potree.settings.datasetsPanos[a] = {
                panoData: o,
                panos: []
            },
            console.log("panoData", a, o);
            var s = o.length
              , l = 0
              , u = Object.keys(Potree.settings.datasetsPanos).length;
            o.forEach(function(r, e) {
                var t = "https://laser-oss.4dkankan.com/".concat(Potree.settings.webSite, "/").concat(Potree.settings.number, "/data/bundle_").concat(Potree.settings.number, "/building/uuidcloud/").concat(r.uuid, "/cloud.js")
                  , n = a + "-" + r.uuid;
                r.index = e,
                Potree.loadPointCloud(t, n, n, 0, function(e) {
                    var t = c.scene
                      , n = e.pointcloud
                      , i = Potree.config.material
                      , e = n.material;
                    e.minSize = i.minSize,
                    e.maxSize = i.maxSize,
                    e.pointSizeType = i.pointSizeType,
                    n.changePointSize(.2),
                    n.changePointOpacity(1),
                    e.shape = Potree.PointShape.SQUARE,
                    n.color = i.pointColor,
                    n.dataset_id = a,
                    n.panoUuid = r.uuid,
                    n.timeStamp = 0,
                    t.addPointCloud(n),
                    ++l == s && (d++,
                    c.images360.addPanoData(o, a),
                    d == u && function() {
                        c.scene.pointclouds.forEach(function(e) {
                            h(e)
                        }),
                        c.images360.loadDone(),
                        c.scene.add360Images(c.images360),
                        c.updateModelBound();
                        var e = c.bound
                          , t = e.boundSize
                          , e = e.center;
                        Potree.Log("中心点: ".concat(Up.toPrecision(e.toArray(), 2), ", boundSize: ").concat(Up.toPrecision(t.toArray(), 2), " "), null, 12),
                        c.scene.view.setView({
                            position: e.clone().add(new Cn(10,5,10)),
                            target: e
                        }),
                        c.dispatchEvent({
                            type: "loadPointCloudDone"
                        }),
                        Potree.settings.UserPointDensity || (Potree.settings.UserPointDensity = "panoEdit"),
                        Potree.Log("loadPointCloudDone  点云加载完毕", null, 10),
                        c.dispatchEvent("allLoaded")
                    }())
                })
            })
        }
        ;
        Potree.settings.isOfficial || (Potree.settings.datasetsPano = {
            testDataset: null
        },
        Potree.loadPanosInfo(function(e) {
            a("testDataset", e.sweepLocations)
        }))
    }
    ,
    le.pointBudget = 1e6,
    le.resourcePath = Dl,
    le.saveProject = function(e) {
        var t, n = e.scene;
        return {
            type: "Potree",
            version: 1.7,
            settings: {
                pointBudget: (t = e).getPointBudget(),
                fov: t.getFOV(),
                edlEnabled: t.getEDLEnabled(),
                edlRadius: t.getEDLRadius(),
                edlStrength: t.getEDLStrength(),
                background: t.getBackground(),
                minNodeSize: t.getMinNodeSize(),
                showBoundingBoxes: t.getShowBoundingBox()
            },
            view: {
                position: (t = (t = e).scene.view).position.toArray(),
                target: t.getPivot().toArray()
            },
            classification: e.classifications,
            pointclouds: n.pointclouds.map($m),
            measurements: n.measurements.map(iv),
            volumes: n.volumes.map(tv),
            cameraAnimations: n.cameraAnimations.map(nv),
            profiles: n.profiles.map(ev),
            annotations: ov(e),
            orientedImages: n.orientedImages.map(rv),
            geopackages: n.geopackages.map(av)
        }
    }
    ,
    le.settings = S,
    le.start = function(e, t, n, i) {
        Potree.settings.number = n || "t-o5YMR13",
        Potree.fileServer = i;
        var d = new Potree.Viewer(e,t)
          , h = d.modules.Alignment;
        d.setEDLEnabled(!1),
        d.setFOV(T.view.fov),
        d.loadSettingsFromURL(),
        Potree.settings.isOfficial || (d.loadGUI(function() {
            d.setLanguage("en"),
            $("#menu_tools").next().show(),
            $("#menu_scene").next().show(),
            $("#siteModel").show(),
            d.toggleSidebar()
        }),
        Potree.settings.sizeFitToLevel = !0),
        Potree.loadDatasetsCallback = function(e, o) {
            if (!e || 0 == e.length)
                return console.error("getDataSet加载的数据为空");
            Potree.datasetData = e,
            d.transform = null;
            function s(e, t) {
                var n = t.location.slice(0, 2)
                  , i = d.transform.lonlatToLocal.forward(n);
                d.sidebar && d.sidebar.addAlignmentButton(e),
                h.rotate(e, null, t.orientation),
                h.translate(e, new Cn(i[0],i[1],t.location[2])),
                e.updateMatrixWorld(),
                Potree.Log("点云".concat(e.dataset_id, "旋转值:").concat(e.orientationUser, ", 位置").concat(Up.toPrecision(e.translateUser.toArray(), 3), ", 经纬度 ").concat(n, ", spacing ").concat(e.material.spacing), null, 17)
            }
            var l = e.length
              , u = 0
              , c = 0;
            Potree.settings.originDatasetId || (Potree.settings.originDatasetId = e[0].id);
            var t = e.find(function(e) {
                return e.id == Potree.settings.originDatasetId
            }).location.slice(0, 2);
            proj4.defs("NAVVIS:TMERC", "+proj=tmerc +ellps=WGS84 +lon_0=" + t[0].toPrecision(15) + " +lat_0=" + t[1].toPrecision(15)),
            proj4.defs("WGS84", "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs");
            var n = proj4("WGS84", "NAVVIS:TMERC")
              , t = proj4("+proj=tmerc +lat_0=0 +lon_0=123 +k=1 +x_0=500000 +y_0=0 +ellps=GRS80 +units=m +no_defs;");
            d.transform = {
                lonlatToLocal: n,
                lonlatTo4550: t
            },
            d.mapViewer && d.mapViewer.mapLayer.maps[0].updateProjection(),
            e.forEach(function(r, e) {
                var t, n, a;
                o ? ((n = d.scene.pointclouds.find(function(e) {
                    return e.dataset_id == r.id
                })) || (Potree.Log("数据集id变了,自动使用第一个", "#500"),
                n = d.scene.pointclouds[0]),
                h.translate(n, n.translateUser.clone().negate()),
                h.rotate(n, null, -n.orientationUser),
                s(n, r)) : (t = r.sceneCode || r.name,
                n = "".concat(Potree.settings.urls.prefix, "/").concat(Potree.settings.webSite, "/").concat(t, "/data/").concat(t, "/webcloud/cloud.js"),
                a = r.createTime ? r.createTime.replace(/[^0-9]/gi, "") : "",
                Potree.loadPointCloud(n, r.name, t, a, function(e) {
                    var t = d.scene
                      , n = e.pointcloud
                      , i = Potree.config.material
                      , e = n.material;
                    n.hasDepthTex = Potree.settings.useDepthTex && (!!r.has_depth || Potree.settings.isLocalhost && "SS-t-7DUfWAUZ3V" == Potree.settings.number),
                    e.minSize = i.minSize,
                    e.maxSize = i.maxSize,
                    e.pointSizeType = i.pointSizeType,
                    n.changePointSize(i.realPointSize),
                    n.changePointOpacity(1),
                    e.shape = Potree.PointShape.SQUARE,
                    n.color = n.material.color = r.color,
                    n.dataset_id = r.id,
                    n.timeStamp = a,
                    s(n, r),
                    t.addPointCloud(n),
                    ++u == l && function() {
                        d.updateModelBound();
                        var e = d.bound
                          , t = e.boundSize
                          , e = e.center;
                        Potree.Log("中心点: ".concat(Up.toPrecision(e.toArray(), 2), ", boundSize: ").concat(Up.toPrecision(t.toArray(), 2), " "), null, 12),
                        Potree.settings.isOfficial || Potree.loadMapEntity("all"),
                        o || (d.scene.view.setView({
                            position: e.clone().add(new Cn(10,5,10)),
                            target: e
                        }),
                        d.dispatchEvent({
                            type: "loadPointCloudDone"
                        }),
                        Potree.settings.UserPointDensity || (Potree.settings.UserPointDensity = "high"),
                        Potree.Log("loadPointCloudDone  点云加载完毕", null, 10))
                    }(),
                    Potree.loadPanos(r.id, function(e) {
                        d.images360.addPanoData(e, r.id),
                        ++c == l && function() {
                            d.images360.loadDone(),
                            d.scene.add360Images(d.images360),
                            d.mapViewer.addListener(d.images360);
                            var e, t = A.urlHasValue("pano", !0);
                            "" !== t ? (e = d.images360.panos.find(function(e) {
                                return e.id == t
                            })) && d.images360.focusPano({
                                pano: e,
                                duration: 0,
                                callback: function() {}
                            }) : ((e = d.bound).boundSize,
                            e = e.center,
                            (e = d.images360.findNearestPano(e)) && d.images360.flyToPano({
                                pano: e,
                                duration: 0,
                                target: d.images360.bound.center
                            })),
                            d.addVideo(),
                            console.log("allLoaded"),
                            d.dispatchEvent("allLoaded")
                        }()
                    })
                }))
            })
        }
        ,
        Potree.loadDatasets(Potree.loadDatasetsCallback),
        window.testTransform = function(e, t, n) {
            proj4.defs("NAVVIS:test", "+proj=tmerc +ellps=WGS84 +lon_0=" + e[0].toPrecision(15) + " +lat_0=" + e[1].toPrecision(15));
            e = proj4("WGS84", "NAVVIS:test");
            return t ? e.forward(t) : e.inverse(n)
        }
        ,
        window.THREE = mp,
        window.buttonFunction = function() {
            d.scene.pointclouds.forEach(function(e) {
                return e.predictNodeMaxLevel()
            })
        }
        ,
        Potree.settings.isLocalhost && d.inputHandler.addEventListener("keydown", function(e) {
            "t" == e.event.key ? (d.images360.cube.visible = !0,
            d.images360.cube.material.wireframe = !0) : "y" == e.event.key && (d.images360.cube.material.wireframe = !1,
            d.images360.cube.visible = "showPanos" == Potree.settings.displayMode)
        })
    }
    ,
    le.updatePointClouds = function(e, t, n) {
        var i, r = ue(e);
        try {
            for (r.s(); !(i = r.n()).done; ) {
                var a, o = i.value, s = performance.now(), l = ue(o.profileRequests);
                try {
                    for (l.s(); !(a = l.n()).done; )
                        if (a.value.update(),
                        5 < performance.now() - s)
                            break
                } catch (e) {
                    l.e(e)
                } finally {
                    l.f()
                }
                performance.now()
            }
        } catch (e) {
            r.e(e)
        } finally {
            r.f()
        }
        var u, n = jm(e, t, n), c = ue(e);
        try {
            for (c.s(); !(u = c.n()).done; )
                u.value.updateVisibleBounds()
        } catch (e) {
            c.e(e)
        } finally {
            c.f()
        }
        return le.lru.freeMemory(),
        n
    }
    ,
    le.updateVisibility = jm,
    le.updateVisibilityStructures = Vm,
    le.version = {
        major: 1,
        minor: 8,
        suffix: ".0"
    },
    le.workerPool = rh,
    Object.defineProperty(le, "__esModule", {
        value: !0
    })
});