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model-viewer.min.js

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  1. /**
    2. 

  2.  * @license
    3. 

  3.  * Copyright 2019 Google LLC
    4. 

  4.  * SPDX-License-Identifier: BSD-3-Clause
    5. 

  5.  */
    6. 

  6. const e=globalThis,t=e.ShadowRoot&&(void 0===e.ShadyCSS||e.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,i=Symbol(),n=new WeakMap;let r=class{constructor(e,t,n){if(this._$cssResult$=!0,n!==i)throw Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=e,this.t=t}get styleSheet(){let e=this.o;const i=this.t;if(t&&void 0===e){const t=void 0!==i&&1===i.length;t&&(e=n.get(i)),void 0===e&&((this.o=e=new CSSStyleSheet).replaceSync(this.cssText),t&&n.set(i,e))}return e}toString(){return this.cssText}};const s=t?e=>e:e=>e instanceof CSSStyleSheet?(e=>{let t="";for(const i of e.cssRules)t+=i.cssText;return(e=>new r("string"==typeof e?e:e+"",void 0,i))(t)})(e):e
    7. 

  7. /**
    8. 

  8.  * @license
    9. 

  9.  * Copyright 2017 Google LLC
    10. 

  10.  * SPDX-License-Identifier: BSD-3-Clause
    11. 

  11.  */,{is:a,defineProperty:o,getOwnPropertyDescriptor:l,getOwnPropertyNames:c,getOwnPropertySymbols:h,getPrototypeOf:u}=Object,d=globalThis,p=d.trustedTypes,A=p?p.emptyScript:"",m=d.reactiveElementPolyfillSupport,g=(e,t)=>e,f={toAttribute(e,t){switch(t){case Boolean:e=e?A:null;break;case Object:case Array:e=null==e?e:JSON.stringify(e)}return e},fromAttribute(e,t){let i=e;switch(t){case Boolean:i=null!==e;break;case Number:i=null===e?null:Number(e);break;case Object:case Array:try{i=JSON.parse(e)}catch(e){i=null}}return i}},b=(e,t)=>!a(e,t),v={attribute:!0,type:String,converter:f,reflect:!1,hasChanged:b};Symbol.metadata??=Symbol("metadata"),d.litPropertyMetadata??=new WeakMap;let y=class extends HTMLElement{static addInitializer(e){this._$Ei(),(this.l??=[]).push(e)}static get observedAttributes(){return this.finalize(),this._$Eh&&[...this._$Eh.keys()]}static createProperty(e,t=v){if(t.state&&(t.attribute=!1),this._$Ei(),this.elementProperties.set(e,t),!t.noAccessor){const i=Symbol(),n=this.getPropertyDescriptor(e,i,t);void 0!==n&&o(this.prototype,e,n)}}static getPropertyDescriptor(e,t,i){const{get:n,set:r}=l(this.prototype,e)??{get(){return this[t]},set(e){this[t]=e}};return{get(){return n?.call(this)},set(t){const s=n?.call(this);r.call(this,t),this.requestUpdate(e,s,i)},configurable:!0,enumerable:!0}}static getPropertyOptions(e){return this.elementProperties.get(e)??v}static _$Ei(){if(this.hasOwnProperty(g("elementProperties")))return;const e=u(this);e.finalize(),void 0!==e.l&&(this.l=[...e.l]),this.elementProperties=new Map(e.elementProperties)}static finalize(){if(this.hasOwnProperty(g("finalized")))return;if(this.finalized=!0,this._$Ei(),this.hasOwnProperty(g("properties"))){const e=this.properties,t=[...c(e),...h(e)];for(const i of t)this.createProperty(i,e[i])}const e=this[Symbol.metadata];if(null!==e){const t=litPropertyMetadata.get(e);if(void 0!==t)for(const[e,i]of t)this.elementProperties.set(e,i)}this._$Eh=new Map;for(const[e,t]of 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    12. 

  12. /**
    13. 

  13.  * @license
    14. 

  14.  * Copyright 2017 Google LLC
    15. 

  15.  * SPDX-License-Identifier: BSD-3-Clause
    16. 

  16.  */
    17. 

  17. const _={attribute:!0,type:String,converter:f,reflect:!1,hasChanged:b},E=(e=_,t,i)=>{const{kind:n,metadata:r}=i;let s=globalThis.litPropertyMetadata.get(r);if(void 0===s&&globalThis.litPropertyMetadata.set(r,s=new Map),s.set(i.name,e),"accessor"===n){const{name:n}=i;return{set(i){const r=t.get.call(this);t.set.call(this,i),this.requestUpdate(n,r,e)},init(t){return void 0!==t&&this.P(n,void 0,e),t}}}if("setter"===n){const{name:n}=i;return function(i){const r=this[n];t.call(this,i),this.requestUpdate(n,r,e)}}throw Error("Unsupported decorator location: "+n)};function x(e){return(t,i)=>"object"==typeof i?E(e,t,i):((e,t,i)=>{const n=t.hasOwnProperty(i);return t.constructor.createProperty(i,n?{...e,wrapped:!0}:e),n?Object.getOwnPropertyDescriptor(t,i):void 0})(e,t,i)
    18. 

  18. /**
    19. 

  19.  * @license
    20. 

  20.  * Copyright 2010-2025 Three.js Authors
    21. 

  21.  * SPDX-License-Identifier: MIT
    22. 

  22.  */}const S="174",C=0,w=1,I=2,M=100,T=101,B=102,R=200,D=201,L=202,U=203,P=204,F=205,N=206,Q=207,k=208,O=209,G=210,H=211,z=212,V=213,W=214,q=0,j=1,X=2,Y=3,K=4,J=5,$=6,Z=7,ee="attached",te=300,ie=301,ne=302,re=303,se=306,ae=1e3,oe=1001,le=1002,ce=1003,he=1004,ue=1005,de=1006,pe=1007,Ae=1008,me=1009,ge=1010,fe=1011,be=1012,ve=1013,ye=1014,_e=1015,Ee=1016,xe=1017,Se=1018,Ce=1020,we=35902,Ie=1023,Me=1026,Te=1027,Be=1028,Re=1029,De=1030,Le=1031,Ue=1033,Pe=33776,Fe=33777,Ne=33778,Qe=33779,ke=35840,Oe=35841,Ge=35842,He=35843,ze=36196,Ve=37492,We=37496,qe=37808,je=37809,Xe=37810,Ye=37811,Ke=37812,Je=37813,$e=37814,Ze=37815,et=37816,tt=37817,it=37818,nt=37819,rt=37820,st=37821,at=36492,ot=36494,lt=36495,ct=36284,ht=36285,ut=36286,dt=2200,pt=2201,At=2202,mt=2300,gt=2301,ft=2302,bt=2400,vt=2401,yt=2402,_t=2500,Et="",xt="srgb",St="srgb-linear",Ct="linear",wt="srgb",It=7680,Mt=512,Tt=513,Bt=514,Rt=515,Dt=516,Lt=517,Ut=518,Pt=519,Ft=35044,Nt="300 es",Qt=2e3,kt=2001;class 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this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const t=this.x,i=this.y,n=e.elements;return this.x=n[0]*t+n[3]*i+n[6],this.y=n[1]*t+n[4]*i+n[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=qt(this.x,e.x,t.x),this.y=qt(this.y,e.y,t.y),this}clampScalar(e,t){return this.x=qt(this.x,e,t),this.y=qt(this.y,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(qt(i,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const i=this.dot(e)/t;return Math.acos(qt(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y;return t*t+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const i=Math.cos(t),n=Math.sin(t),r=this.x-e.x,s=this.y-e.y;return this.x=r*i-s*n+e.x,this.y=r*n+s*i+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Zt{constructor(e,t,i,n,r,s,a,o,l){Zt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==e&&this.set(e,t,i,n,r,s,a,o,l)}set(e,t,i,n,r,s,a,o,l){const c=this.elements;return c[0]=e,c[1]=n,c[2]=a,c[3]=t,c[4]=r,c[5]=o,c[6]=i,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],this}extractBasis(e,t,i){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const i=e.elements,n=t.elements,r=this.elements,s=i[0],a=i[3],o=i[6],l=i[1],c=i[4],h=i[7],u=i[2],d=i[5],p=i[8],A=n[0],m=n[3],g=n[6],f=n[1],b=n[4],v=n[7],y=n[2],_=n[5],E=n[8];return r[0]=s*A+a*f+o*y,r[3]=s*m+a*b+o*_,r[6]=s*g+a*v+o*E,r[1]=l*A+c*f+h*y,r[4]=l*m+c*b+h*_,r[7]=l*g+c*v+h*E,r[2]=u*A+d*f+p*y,r[5]=u*m+d*b+p*_,r[8]=u*g+d*v+p*E,this}multiplyScalar(e){const 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}determinant(){const e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],s=e[4],a=e[5],o=e[6],l=e[7],c=e[8];return t*s*c-t*a*l-i*r*c+i*a*o+n*r*l-n*s*o}invert(){const e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],s=e[4],a=e[5],o=e[6],l=e[7],c=e[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=t*h+i*u+n*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const A=1/p;return e[0]=h*A,e[1]=(n*l-c*i)*A,e[2]=(a*i-n*s)*A,e[3]=u*A,e[4]=(c*t-n*o)*A,e[5]=(n*r-a*t)*A,e[6]=d*A,e[7]=(i*o-l*t)*A,e[8]=(s*t-i*r)*A,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const 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}setUvTransform(e,t,i,n,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(i*o,i*l,-i*(o*s+l*a)+s+e,-n*l,n*o,-n*(-l*s+o*a)+a+t,0,0,1),this}scale(e,t){return this.premultiply(ei.makeScale(e,t)),this}rotate(e){return this.premultiply(ei.makeRotation(-e)),this}translate(e,t){return this.premultiply(ei.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,i,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,i=e.elements;for(let e=0;e<9;e++)if(t[e]!==i[e])return!1;return!0}fromArray(e,t=0){for(let i=0;i<9;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){const i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}const ei=new Zt;function ti(e){for(let t=e.length-1;t>=0;--t)if(e[t]>=65535)return!0;return!1}function ii(e){return document.createElementNS("http://www.w3.org/1999/xhtml",e)}function ni(){const e=ii("canvas");return e.style.display="block",e}const ri={};function si(e){e in ri||(ri[e]=!0,console.warn(e))}const ai=(new Zt).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),oi=(new Zt).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function li(){const e={enabled:!0,workingColorSpace:St,spaces:{},convert:function(e,t,i){return!1!==this.enabled&&t!==i&&t&&i?(this.spaces[t].transfer===wt&&(e.r=hi(e.r),e.g=hi(e.g),e.b=hi(e.b)),this.spaces[t].primaries!==this.spaces[i].primaries&&(e.applyMatrix3(this.spaces[t].toXYZ),e.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===wt&&(e.r=ui(e.r),e.g=ui(e.g),e.b=ui(e.b)),e):e},fromWorkingColorSpace:function(e,t){return this.convert(e,this.workingColorSpace,t)},toWorkingColorSpace:function(e,t){return this.convert(e,t,this.workingColorSpace)},getPrimaries:function(e){return this.spaces[e].primaries},getTransfer:function(e){return e===Et?Ct:this.spaces[e].transfer},getLuminanceCoefficients:function(e,t=this.workingColorSpace){return e.fromArray(this.spaces[t].luminanceCoefficients)},define:function(e){Object.assign(this.spaces,e)},_getMatrix:function(e,t,i){return e.copy(this.spaces[t].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(e){return this.spaces[e].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(e=this.workingColorSpace){return this.spaces[e].workingColorSpaceConfig.unpackColorSpace}},t=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],n=[.3127,.329];return e.define({[St]:{primaries:t,whitePoint:n,transfer:Ct,toXYZ:ai,fromXYZ:oi,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:xt},outputColorSpaceConfig:{drawingBufferColorSpace:xt}},[xt]:{primaries:t,whitePoint:n,transfer:wt,toXYZ:ai,fromXYZ:oi,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:xt}}}),e}const ci=li();function hi(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function ui(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}let di;class pi{static getDataURL(e){if(/^data:/i.test(e.src))return e.src;if("undefined"==typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===di&&(di=ii("canvas")),di.width=e.width,di.height=e.height;const i=di.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),t=di}return t.toDataURL("image/png")}static sRGBToLinear(e){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){const t=ii("canvas");t.width=e.width,t.height=e.height;const i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);const n=i.getImageData(0,0,e.width,e.height),r=n.data;for(let e=0;e<r.length;e++)r[e]=255*hi(r[e]/255);return i.putImageData(n,0,0),t}if(e.data){const t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*hi(t[e]/255)):t[e]=hi(t[e]);return{data:t,width:e.width,height:e.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}let Ai=0;class mi{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ai++}),this.uuid=Wt(),this.data=e,this.dataReady=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];const i={uuid:this.uuid,url:""},n=this.data;if(null!==n){let e;if(Array.isArray(n)){e=[];for(let t=0,i=n.length;t<i;t++)n[t].isDataTexture?e.push(gi(n[t].image)):e.push(gi(n[t]))}else e=gi(n);i.url=e}return t||(e.images[this.uuid]=i),i}}function gi(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?pi.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let fi=0,bi=class e extends Ot{constructor(t=e.DEFAULT_IMAGE,i=e.DEFAULT_MAPPING,n=1001,r=1001,s=1006,a=1008,o=1023,l=1009,c=e.DEFAULT_ANISOTROPY,h=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:fi++}),this.uuid=Wt(),this.name="",this.source=new mi(t),this.mipmaps=[],this.mapping=i,this.channel=0,this.wrapS=n,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new $t(0,0),this.repeat=new $t(1,1),this.center=new $t(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Zt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=h,this.userData={},this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(e=null){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,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.colorSpace=e.colorSpace,this.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){const t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const i={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),t||(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==te)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case ae:e.x=e.x-Math.floor(e.x);break;case oe: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||e.y>1)switch(this.wrapT){case ae:e.y=e.y-Math.floor(e.y);break;case oe: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}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){!0===e&&this.pmremVersion++}};bi.DEFAULT_IMAGE=null,bi.DEFAULT_MAPPING=te,bi.DEFAULT_ANISOTROPY=1;class vi{constructor(e=0,t=0,i=0,n=1){vi.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,this.w=n}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,i,n){return this.x=e,this.y=t,this.z=i,this.w=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(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}getComponent(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)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(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}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(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}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,i=this.y,n=this.z,r=this.w,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*n+s[12]*r,this.y=s[1]*t+s[5]*i+s[9]*n+s[13]*r,this.z=s[2]*t+s[6]*i+s[10]*n+s[14]*r,this.w=s[3]*t+s[7]*i+s[11]*n+s[15]*r,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const 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}setAxisAngleFromRotationMatrix(e){let t,i,n,r;const s=.01,a=.1,o=e.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],A=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-A)<s&&Math.abs(p-m)<s){if(Math.abs(c+u)<a&&Math.abs(h+A)<a&&Math.abs(p+m)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,o=(d+1)/2,f=(g+1)/2,b=(c+u)/4,v=(h+A)/4,y=(p+m)/4;return e>o&&e>f?e<s?(i=0,n=.707106781,r=.707106781):(i=Math.sqrt(e),n=b/i,r=v/i):o>f?o<s?(i=.707106781,n=0,r=.707106781):(n=Math.sqrt(o),i=b/n,r=y/n):f<s?(i=.707106781,n=.707106781,r=0):(r=Math.sqrt(f),i=v/r,n=y/r),this.set(i,n,r,t),this}let f=Math.sqrt((m-p)*(m-p)+(h-A)*(h-A)+(u-c)*(u-c));return Math.abs(f)<.001&&(f=1),this.x=(m-p)/f,this.y=(h-A)/f,this.z=(u-c)/f,this.w=Math.acos((l+d+g-1)/2),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],this}min(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}max(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}clamp(e,t){return this.x=qt(this.x,e.x,t.x),this.y=qt(this.y,e.y,t.y),this.z=qt(this.z,e.z,t.z),this.w=qt(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=qt(this.x,e,t),this.y=qt(this.y,e,t),this.z=qt(this.z,e,t),this.w=qt(this.w,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(qt(i,e,t))}floor(){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}ceil(){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}round(){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}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(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}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class yi extends Ot{constructor(e=1,t=1,i={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new vi(0,0,e,t),this.scissorTest=!1,this.viewport=new vi(0,0,e,t);const n={width:e,height:t,depth:1};i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:de,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},i);const r=new bi(n,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.colorSpace);r.flipY=!1,r.generateMipmaps=i.generateMipmaps,r.internalFormat=i.internalFormat,this.textures=[];const s=i.count;for(let e=0;e<s;e++)this.textures[e]=r.clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==e&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let n=0,r=this.textures.length;n<r;n++)this.textures[n].image.width=e,this.textures[n].image.height=t,this.textures[n].image.depth=i;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,i=e.textures.length;t<i;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;const i=Object.assign({},e.textures[t].image);this.textures[t].source=new mi(i)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class _i extends yi{constructor(e=1,t=1,i={}){super(e,t,i),this.isWebGLRenderTarget=!0}}class Ei extends bi{constructor(e=null,t=1,i=1,n=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=ce,this.minFilter=ce,this.wrapR=oe,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class xi extends bi{constructor(e=null,t=1,i=1,n=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=ce,this.minFilter=ce,this.wrapR=oe,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Si{constructor(e=0,t=0,i=0,n=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=i,this._w=n}static slerpFlat(e,t,i,n,r,s,a){let o=i[n+0],l=i[n+1],c=i[n+2],h=i[n+3];const u=r[s+0],d=r[s+1],p=r[s+2],A=r[s+3];if(0===a)return e[t+0]=o,e[t+1]=l,e[t+2]=c,void(e[t+3]=h);if(1===a)return e[t+0]=u,e[t+1]=d,e[t+2]=p,void(e[t+3]=A);if(h!==A||o!==u||l!==d||c!==p){let e=1-a;const t=o*u+l*d+c*p+h*A,i=t>=0?1:-1,n=1-t*t;if(n>Number.EPSILON){const r=Math.sqrt(n),s=Math.atan2(r,t*i);e=Math.sin(e*s)/r,a=Math.sin(a*s)/r}const r=a*i;if(o=o*e+u*r,l=l*e+d*r,c=c*e+p*r,h=h*e+A*r,e===1-a){const e=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=e,l*=e,c*=e,h*=e}}e[t]=o,e[t+1]=l,e[t+2]=c,e[t+3]=h}static multiplyQuaternionsFlat(e,t,i,n,r,s){const a=i[n],o=i[n+1],l=i[n+2],c=i[n+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return e[t]=a*p+c*h+o*d-l*u,e[t+1]=o*p+c*u+l*h-a*d,e[t+2]=l*p+c*d+a*u-o*h,e[t+3]=c*p-a*h-o*u-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){const i=e._x,n=e._y,r=e._z,s=e._order,a=Math.cos,o=Math.sin,l=a(i/2),c=a(n/2),h=a(r/2),u=o(i/2),d=o(n/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,i=t[0],n=t[4],r=t[8],s=t[1],a=t[5],o=t[9],l=t[2],c=t[6],h=t[10],u=i+a+h;if(u>0){const e=.5/Math.sqrt(u+1);this._w=.25/e,this._x=(c-o)*e,this._y=(r-l)*e,this._z=(s-n)*e}else if(i>a&&i>h){const e=2*Math.sqrt(1+i-a-h);this._w=(c-o)/e,this._x=.25*e,this._y=(n+s)/e,this._z=(r+l)/e}else if(a>h){const e=2*Math.sqrt(1+a-i-h);this._w=(r-l)/e,this._x=(n+s)/e,this._y=.25*e,this._z=(o+c)/e}else{const e=2*Math.sqrt(1+h-i-a);this._w=(s-n)/e,this._x=(r+l)/e,this._y=(o+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return i<Number.EPSILON?(i=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(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=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(qt(this.dot(e),-1,1)))}rotateTowards(e,t){const i=this.angleTo(e);if(0===i)return this;const n=Math.min(1,t/i);return this.slerp(e,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const i=e._x,n=e._y,r=e._z,s=e._w,a=t._x,o=t._y,l=t._z,c=t._w;return this._x=i*c+s*a+n*l-r*o,this._y=n*c+s*o+r*a-i*l,this._z=r*c+s*l+i*o-n*a,this._w=s*c-i*a-n*o-r*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const i=this._x,n=this._y,r=this._z,s=this._w;let a=s*e._w+i*e._x+n*e._y+r*e._z;if(a<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,a=-a):this.copy(e),a>=1)return this._w=s,this._x=i,this._y=n,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const e=1-t;return this._w=e*s+t*this._w,this._x=e*i+t*this._x,this._y=e*n+t*this._y,this._z=e*r+t*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-t)*c)/l,u=Math.sin(t*c)/l;return this._w=s*h+this._w*u,this._x=i*h+this._x*u,this._y=n*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){const e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(n*Math.sin(e),n*Math.cos(e),r*Math.sin(t),r*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Ci{constructor(e=0,t=0,i=0){Ci.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return void 0===i&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(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}getComponent(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)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Ii.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Ii.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,i=this.y,n=this.z,r=e.elements;return this.x=r[0]*t+r[3]*i+r[6]*n,this.y=r[1]*t+r[4]*i+r[7]*n,this.z=r[2]*t+r[5]*i+r[8]*n,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,i=this.y,n=this.z,r=e.elements,s=1/(r[3]*t+r[7]*i+r[11]*n+r[15]);return this.x=(r[0]*t+r[4]*i+r[8]*n+r[12])*s,this.y=(r[1]*t+r[5]*i+r[9]*n+r[13])*s,this.z=(r[2]*t+r[6]*i+r[10]*n+r[14])*s,this}applyQuaternion(e){const t=this.x,i=this.y,n=this.z,r=e.x,s=e.y,a=e.z,o=e.w,l=2*(s*n-a*i),c=2*(a*t-r*n),h=2*(r*i-s*t);return this.x=t+o*l+s*h-a*c,this.y=i+o*c+a*l-r*h,this.z=n+o*h+r*c-s*l,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,i=this.y,n=this.z,r=e.elements;return this.x=r[0]*t+r[4]*i+r[8]*n,this.y=r[1]*t+r[5]*i+r[9]*n,this.z=r[2]*t+r[6]*i+r[10]*n,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(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}max(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}clamp(e,t){return this.x=qt(this.x,e.x,t.x),this.y=qt(this.y,e.y,t.y),this.z=qt(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=qt(this.x,e,t),this.y=qt(this.y,e,t),this.z=qt(this.z,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(qt(i,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(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}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const i=e.x,n=e.y,r=e.z,s=t.x,a=t.y,o=t.z;return this.x=n*o-r*a,this.y=r*s-i*o,this.z=i*a-n*s,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return wi.copy(this).projectOnVector(e),this.sub(wi)}reflect(e){return this.sub(wi.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const i=this.dot(e)/t;return Math.acos(qt(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y,n=this.z-e.z;return t*t+i*i+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){const n=Math.sin(t)*e;return this.x=n*Math.sin(i),this.y=Math.cos(t)*e,this.z=n*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=n,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=Math.random()*Math.PI*2,t=2*Math.random()-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const wi=new Ci,Ii=new Si;class Mi{constructor(e=new Ci(1/0,1/0,1/0),t=new Ci(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t+=3)this.expandByPoint(Bi.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,i=e.count;t<i;t++)this.expandByPoint(Bi.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const i=Bi.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);const i=e.geometry;if(void 0!==i){const n=i.getAttribute("position");if(!0===t&&void 0!==n&&!0!==e.isInstancedMesh)for(let t=0,i=n.count;t<i;t++)!0===e.isMesh?e.getVertexPosition(t,Bi):Bi.fromBufferAttribute(n,t),Bi.applyMatrix4(e.matrixWorld),this.expandByPoint(Bi);else void 0!==e.boundingBox?(null===e.boundingBox&&e.computeBoundingBox(),Ri.copy(e.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),Ri.copy(i.boundingBox)),Ri.applyMatrix4(e.matrixWorld),this.union(Ri)}const n=e.children;for(let e=0,i=n.length;e<i;e++)this.expandByObject(n[e],t);return this}containsPoint(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}containsBox(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}getParameter(e,t){return 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))}intersectsBox(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}intersectsSphere(e){return this.clampPoint(e.center,Bi),Bi.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Qi),ki.subVectors(this.max,Qi),Di.subVectors(e.a,Qi),Li.subVectors(e.b,Qi),Ui.subVectors(e.c,Qi),Pi.subVectors(Li,Di),Fi.subVectors(Ui,Li),Ni.subVectors(Di,Ui);let t=[0,-Pi.z,Pi.y,0,-Fi.z,Fi.y,0,-Ni.z,Ni.y,Pi.z,0,-Pi.x,Fi.z,0,-Fi.x,Ni.z,0,-Ni.x,-Pi.y,Pi.x,0,-Fi.y,Fi.x,0,-Ni.y,Ni.x,0];return!!Hi(t,Di,Li,Ui,ki)&&(t=[1,0,0,0,1,0,0,0,1],!!Hi(t,Di,Li,Ui,ki)&&(Oi.crossVectors(Pi,Fi),t=[Oi.x,Oi.y,Oi.z],Hi(t,Di,Li,Ui,ki)))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Bi).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=.5*this.getSize(Bi).length()),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(Ti[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Ti[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Ti[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Ti[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Ti[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Ti[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Ti[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Ti[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Ti)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Ti=[new Ci,new Ci,new Ci,new Ci,new Ci,new Ci,new Ci,new Ci],Bi=new Ci,Ri=new Mi,Di=new Ci,Li=new Ci,Ui=new Ci,Pi=new Ci,Fi=new Ci,Ni=new Ci,Qi=new Ci,ki=new Ci,Oi=new Ci,Gi=new Ci;function Hi(e,t,i,n,r){for(let s=0,a=e.length-3;s<=a;s+=3){Gi.fromArray(e,s);const a=r.x*Math.abs(Gi.x)+r.y*Math.abs(Gi.y)+r.z*Math.abs(Gi.z),o=t.dot(Gi),l=i.dot(Gi),c=n.dot(Gi);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const zi=new Mi,Vi=new Ci,Wi=new Ci;class qi{constructor(e=new Ci,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const i=this.center;void 0!==t?i.copy(t):zi.setFromPoints(e).getCenter(i);let n=0;for(let t=0,r=e.length;t<r;t++)n=Math.max(n,i.distanceToSquared(e[t]));return this.radius=Math.sqrt(n),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const i=this.center.distanceToSquared(e);return t.copy(e),i>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;Vi.subVectors(e,this.center);const t=Vi.lengthSq();if(t>this.radius*this.radius){const e=Math.sqrt(t),i=.5*(e-this.radius);this.center.addScaledVector(Vi,i/e),this.radius+=i}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(Wi.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(Vi.copy(e.center).add(Wi)),this.expandByPoint(Vi.copy(e.center).sub(Wi))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ji=new Ci,Xi=new Ci,Yi=new Ci,Ki=new Ci,Ji=new Ci,$i=new Ci,Zi=new Ci;class en{constructor(e=new Ci,t=new Ci(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,ji)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=ji.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(ji.copy(this.origin).addScaledVector(this.direction,t),ji.distanceToSquared(e))}distanceSqToSegment(e,t,i,n){Xi.copy(e).add(t).multiplyScalar(.5),Yi.copy(t).sub(e).normalize(),Ki.copy(this.origin).sub(Xi);const r=.5*e.distanceTo(t),s=-this.direction.dot(Yi),a=Ki.dot(this.direction),o=-Ki.dot(Yi),l=Ki.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const e=1/c;h*=e,u*=e,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return i&&i.copy(this.origin).addScaledVector(this.direction,h),n&&n.copy(Xi).addScaledVector(Yi,u),d}intersectSphere(e,t){ji.subVectors(e.center,this.origin);const i=ji.dot(this.direction),n=ji.dot(ji)-i*i,r=e.radius*e.radius;if(n>r)return null;const s=Math.sqrt(r-n),a=i-s,o=i+s;return o<0?null:a<0?this.at(o,t):this.at(a,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){const i=this.distanceToPlane(e);return null===i?null:this.at(i,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);if(0===t)return!0;return e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,n,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(i=(e.min.x-u.x)*l,n=(e.max.x-u.x)*l):(i=(e.max.x-u.x)*l,n=(e.min.x-u.x)*l),c>=0?(r=(e.min.y-u.y)*c,s=(e.max.y-u.y)*c):(r=(e.max.y-u.y)*c,s=(e.min.y-u.y)*c),i>s||r>n?null:((r>i||isNaN(i))&&(i=r),(s<n||isNaN(n))&&(n=s),h>=0?(a=(e.min.z-u.z)*h,o=(e.max.z-u.z)*h):(a=(e.max.z-u.z)*h,o=(e.min.z-u.z)*h),i>o||a>n?null:((a>i||i!=i)&&(i=a),(o<n||n!=n)&&(n=o),n<0?null:this.at(i>=0?i:n,t)))}intersectsBox(e){return null!==this.intersectBox(e,ji)}intersectTriangle(e,t,i,n,r){Ji.subVectors(t,e),$i.subVectors(i,e),Zi.crossVectors(Ji,$i);let s,a=this.direction.dot(Zi);if(a>0){if(n)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}Ki.subVectors(this.origin,e);const o=s*this.direction.dot($i.crossVectors(Ki,$i));if(o<0)return null;const l=s*this.direction.dot(Ji.cross(Ki));if(l<0)return null;if(o+l>a)return null;const c=-s*Ki.dot(Zi);return c<0?null:this.at(c/a,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class tn{constructor(e,t,i,n,r,s,a,o,l,c,h,u,d,p,A,m){tn.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==e&&this.set(e,t,i,n,r,s,a,o,l,c,h,u,d,p,A,m)}set(e,t,i,n,r,s,a,o,l,c,h,u,d,p,A,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=i,g[12]=n,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=A,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new tn).fromArray(this.elements)}copy(e){const t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){const t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,i=e.elements,n=1/nn.setFromMatrixColumn(e,0).length(),r=1/nn.setFromMatrixColumn(e,1).length(),s=1/nn.setFromMatrixColumn(e,2).length();return t[0]=i[0]*n,t[1]=i[1]*n,t[2]=i[2]*n,t[3]=0,t[4]=i[4]*r,t[5]=i[5]*r,t[6]=i[6]*r,t[7]=0,t[8]=i[8]*s,t[9]=i[9]*s,t[10]=i[10]*s,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,i=e.x,n=e.y,r=e.z,s=Math.cos(i),a=Math.sin(i),o=Math.cos(n),l=Math.sin(n),c=Math.cos(r),h=Math.sin(r);if("XYZ"===e.order){const e=s*c,i=s*h,n=a*c,r=a*h;t[0]=o*c,t[4]=-o*h,t[8]=l,t[1]=i+n*l,t[5]=e-r*l,t[9]=-a*o,t[2]=r-e*l,t[6]=n+i*l,t[10]=s*o}else if("YXZ"===e.order){const e=o*c,i=o*h,n=l*c,r=l*h;t[0]=e+r*a,t[4]=n*a-i,t[8]=s*l,t[1]=s*h,t[5]=s*c,t[9]=-a,t[2]=i*a-n,t[6]=r+e*a,t[10]=s*o}else if("ZXY"===e.order){const e=o*c,i=o*h,n=l*c,r=l*h;t[0]=e-r*a,t[4]=-s*h,t[8]=n+i*a,t[1]=i+n*a,t[5]=s*c,t[9]=r-e*a,t[2]=-s*l,t[6]=a,t[10]=s*o}else if("ZYX"===e.order){const e=s*c,i=s*h,n=a*c,r=a*h;t[0]=o*c,t[4]=n*l-i,t[8]=e*l+r,t[1]=o*h,t[5]=r*l+e,t[9]=i*l-n,t[2]=-l,t[6]=a*o,t[10]=s*o}else if("YZX"===e.order){const e=s*o,i=s*l,n=a*o,r=a*l;t[0]=o*c,t[4]=r-e*h,t[8]=n*h+i,t[1]=h,t[5]=s*c,t[9]=-a*c,t[2]=-l*c,t[6]=i*h+n,t[10]=e-r*h}else if("XZY"===e.order){const e=s*o,i=s*l,n=a*o,r=a*l;t[0]=o*c,t[4]=-h,t[8]=l*c,t[1]=e*h+r,t[5]=s*c,t[9]=i*h-n,t[2]=n*h-i,t[6]=a*c,t[10]=r*h+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(sn,e,an)}lookAt(e,t,i){const n=this.elements;return cn.subVectors(e,t),0===cn.lengthSq()&&(cn.z=1),cn.normalize(),on.crossVectors(i,cn),0===on.lengthSq()&&(1===Math.abs(i.z)?cn.x+=1e-4:cn.z+=1e-4,cn.normalize(),on.crossVectors(i,cn)),on.normalize(),ln.crossVectors(cn,on),n[0]=on.x,n[4]=ln.x,n[8]=cn.x,n[1]=on.y,n[5]=ln.y,n[9]=cn.y,n[2]=on.z,n[6]=ln.z,n[10]=cn.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const i=e.elements,n=t.elements,r=this.elements,s=i[0],a=i[4],o=i[8],l=i[12],c=i[1],h=i[5],u=i[9],d=i[13],p=i[2],A=i[6],m=i[10],g=i[14],f=i[3],b=i[7],v=i[11],y=i[15],_=n[0],E=n[4],x=n[8],S=n[12],C=n[1],w=n[5],I=n[9],M=n[13],T=n[2],B=n[6],R=n[10],D=n[14],L=n[3],U=n[7],P=n[11],F=n[15];return r[0]=s*_+a*C+o*T+l*L,r[4]=s*E+a*w+o*B+l*U,r[8]=s*x+a*I+o*R+l*P,r[12]=s*S+a*M+o*D+l*F,r[1]=c*_+h*C+u*T+d*L,r[5]=c*E+h*w+u*B+d*U,r[9]=c*x+h*I+u*R+d*P,r[13]=c*S+h*M+u*D+d*F,r[2]=p*_+A*C+m*T+g*L,r[6]=p*E+A*w+m*B+g*U,r[10]=p*x+A*I+m*R+g*P,r[14]=p*S+A*M+m*D+g*F,r[3]=f*_+b*C+v*T+y*L,r[7]=f*E+b*w+v*B+y*U,r[11]=f*x+b*I+v*R+y*P,r[15]=f*S+b*M+v*D+y*F,this}multiplyScalar(e){const 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}determinant(){const e=this.elements,t=e[0],i=e[4],n=e[8],r=e[12],s=e[1],a=e[5],o=e[9],l=e[13],c=e[2],h=e[6],u=e[10],d=e[14];return e[3]*(+r*o*h-n*l*h-r*a*u+i*l*u+n*a*d-i*o*d)+e[7]*(+t*o*d-t*l*u+r*s*u-n*s*d+n*l*c-r*o*c)+e[11]*(+t*l*h-t*a*d-r*s*h+i*s*d+r*a*c-i*l*c)+e[15]*(-n*a*c-t*o*h+t*a*u+n*s*h-i*s*u+i*o*c)}transpose(){const e=this.elements;let t;return t=e[1],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}setPosition(e,t,i){const n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=i),this}invert(){const e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],s=e[4],a=e[5],o=e[6],l=e[7],c=e[8],h=e[9],u=e[10],d=e[11],p=e[12],A=e[13],m=e[14],g=e[15],f=h*m*l-A*u*l+A*o*d-a*m*d-h*o*g+a*u*g,b=p*u*l-c*m*l-p*o*d+s*m*d+c*o*g-s*u*g,v=c*A*l-p*h*l+p*a*d-s*A*d-c*a*g+s*h*g,y=p*h*o-c*A*o-p*a*u+s*A*u+c*a*m-s*h*m,_=t*f+i*b+n*v+r*y;if(0===_)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const E=1/_;return e[0]=f*E,e[1]=(A*u*r-h*m*r-A*n*d+i*m*d+h*n*g-i*u*g)*E,e[2]=(a*m*r-A*o*r+A*n*l-i*m*l-a*n*g+i*o*g)*E,e[3]=(h*o*r-a*u*r-h*n*l+i*u*l+a*n*d-i*o*d)*E,e[4]=b*E,e[5]=(c*m*r-p*u*r+p*n*d-t*m*d-c*n*g+t*u*g)*E,e[6]=(p*o*r-s*m*r-p*n*l+t*m*l+s*n*g-t*o*g)*E,e[7]=(s*u*r-c*o*r+c*n*l-t*u*l-s*n*d+t*o*d)*E,e[8]=v*E,e[9]=(p*h*r-c*A*r-p*i*d+t*A*d+c*i*g-t*h*g)*E,e[10]=(s*A*r-p*a*r+p*i*l-t*A*l-s*i*g+t*a*g)*E,e[11]=(c*a*r-s*h*r-c*i*l+t*h*l+s*i*d-t*a*d)*E,e[12]=y*E,e[13]=(c*A*n-p*h*n+p*i*u-t*A*u-c*i*m+t*h*m)*E,e[14]=(p*a*n-s*A*n-p*i*o+t*A*o+s*i*m-t*a*m)*E,e[15]=(s*h*n-c*a*n+c*i*o-t*h*o-s*i*u+t*a*u)*E,this}scale(e){const t=this.elements,i=e.x,n=e.y,r=e.z;return t[0]*=i,t[4]*=n,t[8]*=r,t[1]*=i,t[5]*=n,t[9]*=r,t[2]*=i,t[6]*=n,t[10]*=r,t[3]*=i,t[7]*=n,t[11]*=r,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],n=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,i,n))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const i=Math.cos(t),n=Math.sin(t),r=1-i,s=e.x,a=e.y,o=e.z,l=r*s,c=r*a;return this.set(l*s+i,l*a-n*o,l*o+n*a,0,l*a+n*o,c*a+i,c*o-n*s,0,l*o-n*a,c*o+n*s,r*o*o+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,n,r,s){return this.set(1,i,r,0,e,1,s,0,t,n,1,0,0,0,0,1),this}compose(e,t,i){const n=this.elements,r=t._x,s=t._y,a=t._z,o=t._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,A=s*c,m=s*h,g=a*h,f=o*l,b=o*c,v=o*h,y=i.x,_=i.y,E=i.z;return n[0]=(1-(A+g))*y,n[1]=(d+v)*y,n[2]=(p-b)*y,n[3]=0,n[4]=(d-v)*_,n[5]=(1-(u+g))*_,n[6]=(m+f)*_,n[7]=0,n[8]=(p+b)*E,n[9]=(m-f)*E,n[10]=(1-(u+A))*E,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,i){const n=this.elements;let r=nn.set(n[0],n[1],n[2]).length();const s=nn.set(n[4],n[5],n[6]).length(),a=nn.set(n[8],n[9],n[10]).length();this.determinant()<0&&(r=-r),e.x=n[12],e.y=n[13],e.z=n[14],rn.copy(this);const o=1/r,l=1/s,c=1/a;return rn.elements[0]*=o,rn.elements[1]*=o,rn.elements[2]*=o,rn.elements[4]*=l,rn.elements[5]*=l,rn.elements[6]*=l,rn.elements[8]*=c,rn.elements[9]*=c,rn.elements[10]*=c,t.setFromRotationMatrix(rn),i.x=r,i.y=s,i.z=a,this}makePerspective(e,t,i,n,r,s,a=2e3){const o=this.elements,l=2*r/(t-e),c=2*r/(i-n),h=(t+e)/(t-e),u=(i+n)/(i-n);let d,p;if(a===Qt)d=-(s+r)/(s-r),p=-2*s*r/(s-r);else{if(a!==kt)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);d=-s/(s-r),p=-s*r/(s-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,i,n,r,s,a=2e3){const o=this.elements,l=1/(t-e),c=1/(i-n),h=1/(s-r),u=(t+e)*l,d=(i+n)*c;let p,A;if(a===Qt)p=(s+r)*h,A=-2*h;else{if(a!==kt)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=r*h,A=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=A,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,i=e.elements;for(let e=0;e<16;e++)if(t[e]!==i[e])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){const i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}}const nn=new Ci,rn=new tn,sn=new Ci(0,0,0),an=new Ci(1,1,1),on=new Ci,ln=new Ci,cn=new Ci,hn=new tn,un=new Si;class dn{constructor(e=0,t=0,i=0,n=dn.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,n=this._order){return this._x=e,this._y=t,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){const n=e.elements,r=n[0],s=n[4],a=n[8],o=n[1],l=n[5],c=n[9],h=n[2],u=n[6],d=n[10];switch(t){case"XYZ":this._y=Math.asin(qt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-qt(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(qt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-qt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(qt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-qt(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!0===i&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return hn.makeRotationFromQuaternion(e),this.setFromRotationMatrix(hn,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return un.setFromEuler(this),this.setFromQuaternion(un,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(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}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}dn.DEFAULT_ORDER="XYZ";class pn{constructor(){this.mask=1}set(e){this.mask=1<<e>>>0}enable(e){this.mask|=1<<e}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e}disable(e){this.mask&=~(1<<e)}disableAll(){this.mask=0}test(e){return!!(this.mask&e.mask)}isEnabled(e){return!!(this.mask&1<<e)}}let An=0;const mn=new Ci,gn=new Si,fn=new tn,bn=new Ci,vn=new Ci,yn=new Ci,_n=new Si,En=new Ci(1,0,0),xn=new Ci(0,1,0),Sn=new Ci(0,0,1),Cn={type:"added"},wn={type:"removed"},In={type:"childadded",child:null},Mn={type:"childremoved",child:null};class Tn extends Ot{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:An++}),this.uuid=Wt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Tn.DEFAULT_UP.clone();const e=new Ci,t=new dn,i=new Si,n=new Ci(1,1,1);t._onChange((function(){i.setFromEuler(t,!1)})),i._onChange((function(){t.setFromQuaternion(i,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:i},scale:{configurable:!0,enumerable:!0,value:n},modelViewMatrix:{value:new tn},normalMatrix:{value:new Zt}}),this.matrix=new tn,this.matrixWorld=new tn,this.matrixAutoUpdate=Tn.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Tn.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new pn,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return gn.setFromAxisAngle(e,t),this.quaternion.multiply(gn),this}rotateOnWorldAxis(e,t){return gn.setFromAxisAngle(e,t),this.quaternion.premultiply(gn),this}rotateX(e){return this.rotateOnAxis(En,e)}rotateY(e){return this.rotateOnAxis(xn,e)}rotateZ(e){return this.rotateOnAxis(Sn,e)}translateOnAxis(e,t){return mn.copy(e).applyQuaternion(this.quaternion),this.position.add(mn.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(En,e)}translateY(e){return this.translateOnAxis(xn,e)}translateZ(e){return this.translateOnAxis(Sn,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(fn.copy(this.matrixWorld).invert())}lookAt(e,t,i){e.isVector3?bn.copy(e):bn.set(e,t,i);const n=this.parent;this.updateWorldMatrix(!0,!1),vn.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?fn.lookAt(vn,bn,this.up):fn.lookAt(bn,vn,this.up),this.quaternion.setFromRotationMatrix(fn),n&&(fn.extractRotation(n.matrixWorld),gn.setFromRotationMatrix(fn),this.quaternion.premultiply(gn.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.removeFromParent(),e.parent=this,this.children.push(e),e.dispatchEvent(Cn),In.child=e,this.dispatchEvent(In),In.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(wn),Mn.child=e,this.dispatchEvent(Mn),Mn.child=null),this}removeFromParent(){const e=this.parent;return null!==e&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),fn.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),fn.multiply(e.parent.matrixWorld)),e.applyMatrix4(fn),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(Cn),In.child=e,this.dispatchEvent(In),In.child=null,this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let i=0,n=this.children.length;i<n;i++){const n=this.children[i].getObjectByProperty(e,t);if(void 0!==n)return n}}getObjectsByProperty(e,t,i=[]){this[e]===t&&i.push(this);const n=this.children;for(let r=0,s=n.length;r<s;r++)n[r].getObjectsByProperty(e,t,i);return i}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(vn,e,yn),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(vn,_n,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let i=0,n=t.length;i<n;i++)t[i].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);const t=this.children;for(let i=0,n=t.length;i<n;i++)t[i].traverseVisible(e)}traverseAncestors(e){const t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let i=0,n=t.length;i<n;i++){t[i].updateMatrixWorld(e)}}updateWorldMatrix(e,t){const i=this.parent;if(!0===e&&null!==i&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),!0===t){const e=this.children;for(let t=0,i=e.length;t<i;t++){e[t].updateWorldMatrix(!1,!0)}}}toJSON(e){const t=void 0===e||"string"==typeof e,i={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const n={};function r(t,i){return void 0===t[i.uuid]&&(t[i.uuid]=i.toJSON(e)),i.uuid}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),!1===this.frustumCulled&&(n.frustumCulled=!1),0!==this.renderOrder&&(n.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map((e=>({boxInitialized:e.boxInitialized,boxMin:e.box.min.toArray(),boxMax:e.box.max.toArray(),sphereInitialized:e.sphereInitialized,sphereRadius:e.sphere.radius,sphereCenter:e.sphere.center.toArray()}))),n.maxInstanceCount=this._maxInstanceCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(e),null!==this._colorsTexture&&(n.colorsTexture=this._colorsTexture.toJSON(e)),null!==this.boundingSphere&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),null!==this.boundingBox&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(n.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=r(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const i=t.shapes;if(Array.isArray(i))for(let t=0,n=i.length;t<n;t++){const n=i[t];r(e.shapes,n)}else r(e.shapes,i)}}if(this.isSkinnedMesh&&(n.bindMode=this.bindMode,n.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(e.skeletons,this.skeleton),n.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let i=0,n=this.material.length;i<n;i++)t.push(r(e.materials,this.material[i]));n.material=t}else n.material=r(e.materials,this.material);if(this.children.length>0){n.children=[];for(let t=0;t<this.children.length;t++)n.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){n.animations=[];for(let t=0;t<this.animations.length;t++){const i=this.animations[t];n.animations.push(r(e.animations,i))}}if(t){const t=s(e.geometries),n=s(e.materials),r=s(e.textures),a=s(e.images),o=s(e.shapes),l=s(e.skeletons),c=s(e.animations),h=s(e.nodes);t.length>0&&(i.geometries=t),n.length>0&&(i.materials=n),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),l.length>0&&(i.skeletons=l),c.length>0&&(i.animations=c),h.length>0&&(i.nodes=h)}return i.object=n,i;function s(e){const t=[];for(const i in e){const n=e[i];delete n.metadata,t.push(n)}return t}}clone(e){return(new this.constructor).copy(this,e)}copy(e,t=!0){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.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,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.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){const i=e.children[t];this.add(i.clone())}return this}}Tn.DEFAULT_UP=new Ci(0,1,0),Tn.DEFAULT_MATRIX_AUTO_UPDATE=!0,Tn.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Bn=new Ci,Rn=new Ci,Dn=new Ci,Ln=new Ci,Un=new Ci,Pn=new Ci,Fn=new Ci,Nn=new Ci,Qn=new Ci,kn=new Ci,On=new vi,Gn=new vi,Hn=new vi;class zn{constructor(e=new Ci,t=new Ci,i=new Ci){this.a=e,this.b=t,this.c=i}static getNormal(e,t,i,n){n.subVectors(i,t),Bn.subVectors(e,t),n.cross(Bn);const r=n.lengthSq();return r>0?n.multiplyScalar(1/Math.sqrt(r)):n.set(0,0,0)}static getBarycoord(e,t,i,n,r){Bn.subVectors(n,t),Rn.subVectors(i,t),Dn.subVectors(e,t);const s=Bn.dot(Bn),a=Bn.dot(Rn),o=Bn.dot(Dn),l=Rn.dot(Rn),c=Rn.dot(Dn),h=s*l-a*a;if(0===h)return r.set(0,0,0),null;const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(e,t,i,n){return null!==this.getBarycoord(e,t,i,n,Ln)&&(Ln.x>=0&&Ln.y>=0&&Ln.x+Ln.y<=1)}static getInterpolation(e,t,i,n,r,s,a,o){return null===this.getBarycoord(e,t,i,n,Ln)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Ln.x),o.addScaledVector(s,Ln.y),o.addScaledVector(a,Ln.z),o)}static getInterpolatedAttribute(e,t,i,n,r,s){return On.setScalar(0),Gn.setScalar(0),Hn.setScalar(0),On.fromBufferAttribute(e,t),Gn.fromBufferAttribute(e,i),Hn.fromBufferAttribute(e,n),s.setScalar(0),s.addScaledVector(On,r.x),s.addScaledVector(Gn,r.y),s.addScaledVector(Hn,r.z),s}static isFrontFacing(e,t,i,n){return Bn.subVectors(i,t),Rn.subVectors(e,t),Bn.cross(Rn).dot(n)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,n){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[n]),this}setFromAttributeAndIndices(e,t,i,n){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,n),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Bn.subVectors(this.c,this.b),Rn.subVectors(this.a,this.b),.5*Bn.cross(Rn).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return zn.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return zn.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,n,r){return zn.getInterpolation(e,this.a,this.b,this.c,t,i,n,r)}containsPoint(e){return zn.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return zn.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const i=this.a,n=this.b,r=this.c;let s,a;Un.subVectors(n,i),Pn.subVectors(r,i),Nn.subVectors(e,i);const o=Un.dot(Nn),l=Pn.dot(Nn);if(o<=0&&l<=0)return t.copy(i);Qn.subVectors(e,n);const c=Un.dot(Qn),h=Pn.dot(Qn);if(c>=0&&h<=c)return t.copy(n);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),t.copy(i).addScaledVector(Un,s);kn.subVectors(e,r);const d=Un.dot(kn),p=Pn.dot(kn);if(p>=0&&d<=p)return t.copy(r);const A=d*l-o*p;if(A<=0&&l>=0&&p<=0)return a=l/(l-p),t.copy(i).addScaledVector(Pn,a);const m=c*p-d*h;if(m<=0&&h-c>=0&&d-p>=0)return Fn.subVectors(r,n),a=(h-c)/(h-c+(d-p)),t.copy(n).addScaledVector(Fn,a);const g=1/(m+A+u);return s=A*g,a=u*g,t.copy(i).addScaledVector(Un,s).addScaledVector(Pn,a)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}const Vn={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},Wn={h:0,s:0,l:0},qn={h:0,s:0,l:0};function jn(e,t,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?e+6*(t-e)*i:i<.5?t:i<2/3?e+6*(t-e)*(2/3-i):e}class Xn{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){if(void 0===t&&void 0===i){const t=e;t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t)}else this.setRGB(e,t,i);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=xt){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,ci.toWorkingColorSpace(this,t),this}setRGB(e,t,i,n=ci.workingColorSpace){return this.r=e,this.g=t,this.b=i,ci.toWorkingColorSpace(this,n),this}setHSL(e,t,i,n=ci.workingColorSpace){if(e=jt(e,1),t=qt(t,0,1),i=qt(i,0,1),0===t)this.r=this.g=this.b=i;else{const n=i<=.5?i*(1+t):i+t-i*t,r=2*i-n;this.r=jn(r,n,e+1/3),this.g=jn(r,n,e),this.b=jn(r,n,e-1/3)}return ci.toWorkingColorSpace(this,n),this}setStyle(e,t=xt){function i(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^(\w+)\(([^\)]*)\)/.exec(e)){let r;const s=n[1],a=n[2];switch(s){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,t);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,t);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(e)){const i=n[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,t);if(6===r)return this.setHex(parseInt(i,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=xt){const i=Vn[e.toLowerCase()];return void 0!==i?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=hi(e.r),this.g=hi(e.g),this.b=hi(e.b),this}copyLinearToSRGB(e){return this.r=ui(e.r),this.g=ui(e.g),this.b=ui(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=xt){return ci.fromWorkingColorSpace(Yn.copy(this),e),65536*Math.round(qt(255*Yn.r,0,255))+256*Math.round(qt(255*Yn.g,0,255))+Math.round(qt(255*Yn.b,0,255))}getHexString(e=xt){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=ci.workingColorSpace){ci.fromWorkingColorSpace(Yn.copy(this),t);const i=Yn.r,n=Yn.g,r=Yn.b,s=Math.max(i,n,r),a=Math.min(i,n,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const e=s-a;switch(l=c<=.5?e/(s+a):e/(2-s-a),s){case i:o=(n-r)/e+(n<r?6:0);break;case n:o=(r-i)/e+2;break;case r:o=(i-n)/e+4}o/=6}return e.h=o,e.s=l,e.l=c,e}getRGB(e,t=ci.workingColorSpace){return ci.fromWorkingColorSpace(Yn.copy(this),t),e.r=Yn.r,e.g=Yn.g,e.b=Yn.b,e}getStyle(e=xt){ci.fromWorkingColorSpace(Yn.copy(this),e);const t=Yn.r,i=Yn.g,n=Yn.b;return e!==xt?`color(${e} ${t.toFixed(3)} ${i.toFixed(3)} ${n.toFixed(3)})`:`rgb(${Math.round(255*t)},${Math.round(255*i)},${Math.round(255*n)})`}offsetHSL(e,t,i){return this.getHSL(Wn),this.setHSL(Wn.h+e,Wn.s+t,Wn.l+i)}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(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}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(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}lerpColors(e,t,i){return this.r=e.r+(t.r-e.r)*i,this.g=e.g+(t.g-e.g)*i,this.b=e.b+(t.b-e.b)*i,this}lerpHSL(e,t){this.getHSL(Wn),e.getHSL(qn);const i=Xt(Wn.h,qn.h,t),n=Xt(Wn.s,qn.s,t),r=Xt(Wn.l,qn.l,t);return this.setHSL(i,n,r),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){const t=this.r,i=this.g,n=this.b,r=e.elements;return this.r=r[0]*t+r[3]*i+r[6]*n,this.g=r[1]*t+r[4]*i+r[7]*n,this.b=r[2]*t+r[5]*i+r[8]*n,this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Yn=new Xn;Xn.NAMES=Vn;let Kn=0,Jn=class extends Ot{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Kn++}),this.uuid=Wt(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=M,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Xn(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=It,this.stencilZFail=It,this.stencilZPass=It,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.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(void 0!==e)for(const t in e){const i=e[t];if(void 0===i){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}const n=this[t];void 0!==n?n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[t]=i:console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`)}}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});const i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function n(e){const t=[];for(const i in e){const n=e[i];delete n.metadata,t.push(n)}return t}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),this.blendEquation!==M&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==It&&(i.stencilFail=this.stencilFail),this.stencilZFail!==It&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==It&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),t){const t=n(e.textures),r=n(e.images);t.length>0&&(i.textures=t),r.length>0&&(i.images=r)}return i}clone(){return(new this.constructor).copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,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.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,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;const t=e.clippingPlanes;let i=null;if(null!==t){const e=t.length;i=new Array(e);for(let n=0;n!==e;++n)i[n]=t[n].clone()}return this.clippingPlanes=i,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.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){!0===e&&this.version++}onBuild(){console.warn("Material: onBuild() has been removed.")}};class $n extends Jn{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Xn(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.envMapRotation=new dn,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.envMapRotation.copy(e.envMapRotation),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.fog=e.fog,this}}const Zn=er();function er(){const e=new ArrayBuffer(4),t=new Float32Array(e),i=new Uint32Array(e),n=new Uint32Array(512),r=new Uint32Array(512);for(let e=0;e<256;++e){const t=e-127;t<-27?(n[e]=0,n[256|e]=32768,r[e]=24,r[256|e]=24):t<-14?(n[e]=1024>>-t-14,n[256|e]=1024>>-t-14|32768,r[e]=-t-1,r[256|e]=-t-1):t<=15?(n[e]=t+15<<10,n[256|e]=t+15<<10|32768,r[e]=13,r[256|e]=13):t<128?(n[e]=31744,n[256|e]=64512,r[e]=24,r[256|e]=24):(n[e]=31744,n[256|e]=64512,r[e]=13,r[256|e]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let e=1;e<1024;++e){let t=e<<13,i=0;for(;!(8388608&t);)t<<=1,i-=8388608;t&=-8388609,i+=947912704,s[e]=t|i}for(let e=1024;e<2048;++e)s[e]=939524096+(e-1024<<13);for(let e=1;e<31;++e)a[e]=e<<23;a[31]=1199570944,a[32]=2147483648;for(let e=33;e<63;++e)a[e]=2147483648+(e-32<<23);a[63]=3347054592;for(let e=1;e<64;++e)32!==e&&(o[e]=1024);return{floatView:t,uint32View:i,baseTable:n,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}class tr{static toHalfFloat(e){return function(e){Math.abs(e)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),e=qt(e,-65504,65504),Zn.floatView[0]=e;const t=Zn.uint32View[0],i=t>>23&511;return Zn.baseTable[i]+((8388607&t)>>Zn.shiftTable[i])}(e)}static fromHalfFloat(e){return function(e){const t=e>>10;return Zn.uint32View[0]=Zn.mantissaTable[Zn.offsetTable[t]+(1023&e)]+Zn.exponentTable[t],Zn.floatView[0]}(e)}}const ir=new Ci,nr=new $t;let rr=0;class sr{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:rr++}),this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=i,this.usage=Ft,this.updateRanges=[],this.gpuType=_e,this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(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.gpuType=e.gpuType,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let n=0,r=this.itemSize;n<r;n++)this.array[e+n]=t.array[i+n];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,i=this.count;t<i;t++)nr.fromBufferAttribute(this,t),nr.applyMatrix3(e),this.setXY(t,nr.x,nr.y);else if(3===this.itemSize)for(let t=0,i=this.count;t<i;t++)ir.fromBufferAttribute(this,t),ir.applyMatrix3(e),this.setXYZ(t,ir.x,ir.y,ir.z);return this}applyMatrix4(e){for(let t=0,i=this.count;t<i;t++)ir.fromBufferAttribute(this,t),ir.applyMatrix4(e),this.setXYZ(t,ir.x,ir.y,ir.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)ir.fromBufferAttribute(this,t),ir.applyNormalMatrix(e),this.setXYZ(t,ir.x,ir.y,ir.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)ir.fromBufferAttribute(this,t),ir.transformDirection(e),this.setXYZ(t,ir.x,ir.y,ir.z);return this}set(e,t=0){return this.array.set(e,t),this}getComponent(e,t){let i=this.array[e*this.itemSize+t];return this.normalized&&(i=Yt(i,this.array)),i}setComponent(e,t,i){return this.normalized&&(i=Kt(i,this.array)),this.array[e*this.itemSize+t]=i,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=Yt(t,this.array)),t}setX(e,t){return this.normalized&&(t=Kt(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=Yt(t,this.array)),t}setY(e,t){return this.normalized&&(t=Kt(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=Yt(t,this.array)),t}setZ(e,t){return this.normalized&&(t=Kt(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=Yt(t,this.array)),t}setW(e,t){return this.normalized&&(t=Kt(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array)),this.array[e+0]=t,this.array[e+1]=i,this}setXYZ(e,t,i,n){return e*=this.itemSize,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array),n=Kt(n,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=n,this}setXYZW(e,t,i,n,r){return e*=this.itemSize,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array),n=Kt(n,this.array),r=Kt(r,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=n,this.array[e+3]=r,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==Ft&&(e.usage=this.usage),e}}class ar extends sr{constructor(e,t,i){super(new Uint16Array(e),t,i)}}class or extends sr{constructor(e,t,i){super(new Uint32Array(e),t,i)}}class lr extends sr{constructor(e,t,i){super(new Float32Array(e),t,i)}}let cr=0;const hr=new tn,ur=new Tn,dr=new Ci,pr=new Mi,Ar=new Mi,mr=new Ci;class gr extends Ot{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:cr++}),this.uuid=Wt(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=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={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(ti(e)?or:ar)(e,1):this.index=e,this}setIndirect(e){return this.indirect=e,this}getIndirect(){return this.indirect}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,i=0){this.groups.push({start:e,count:t,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const t=(new Zt).getNormalMatrix(e);i.applyNormalMatrix(t),i.needsUpdate=!0}const 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}applyQuaternion(e){return hr.makeRotationFromQuaternion(e),this.applyMatrix4(hr),this}rotateX(e){return hr.makeRotationX(e),this.applyMatrix4(hr),this}rotateY(e){return hr.makeRotationY(e),this.applyMatrix4(hr),this}rotateZ(e){return hr.makeRotationZ(e),this.applyMatrix4(hr),this}translate(e,t,i){return hr.makeTranslation(e,t,i),this.applyMatrix4(hr),this}scale(e,t,i){return hr.makeScale(e,t,i),this.applyMatrix4(hr),this}lookAt(e){return ur.lookAt(e),ur.updateMatrix(),this.applyMatrix4(ur.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(dr).negate(),this.translate(dr.x,dr.y,dr.z),this}setFromPoints(e){const t=this.getAttribute("position");if(void 0===t){const t=[];for(let i=0,n=e.length;i<n;i++){const n=e[i];t.push(n.x,n.y,n.z||0)}this.setAttribute("position",new lr(t,3))}else{const i=Math.min(e.length,t.count);for(let n=0;n<i;n++){const i=e[n];t.setXYZ(n,i.x,i.y,i.z||0)}e.length>t.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),t.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Mi);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new Ci(-1/0,-1/0,-1/0),new Ci(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){const i=t[e];pr.setFromBufferAttribute(i),this.morphTargetsRelative?(mr.addVectors(this.boundingBox.min,pr.min),this.boundingBox.expandByPoint(mr),mr.addVectors(this.boundingBox.max,pr.max),this.boundingBox.expandByPoint(mr)):(this.boundingBox.expandByPoint(pr.min),this.boundingBox.expandByPoint(pr.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(){null===this.boundingSphere&&(this.boundingSphere=new qi);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new Ci,1/0);if(e){const i=this.boundingSphere.center;if(pr.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){const i=t[e];Ar.setFromBufferAttribute(i),this.morphTargetsRelative?(mr.addVectors(pr.min,Ar.min),pr.expandByPoint(mr),mr.addVectors(pr.max,Ar.max),pr.expandByPoint(mr)):(pr.expandByPoint(Ar.min),pr.expandByPoint(Ar.max))}pr.getCenter(i);let n=0;for(let t=0,r=e.count;t<r;t++)mr.fromBufferAttribute(e,t),n=Math.max(n,i.distanceToSquared(mr));if(t)for(let r=0,s=t.length;r<s;r++){const s=t[r],a=this.morphTargetsRelative;for(let t=0,r=s.count;t<r;t++)mr.fromBufferAttribute(s,t),a&&(dr.fromBufferAttribute(e,t),mr.add(dr)),n=Math.max(n,i.distanceToSquared(mr))}this.boundingSphere.radius=Math.sqrt(n),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=t.position,n=t.normal,r=t.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new sr(new Float32Array(4*i.count),4));const s=this.getAttribute("tangent"),a=[],o=[];for(let e=0;e<i.count;e++)a[e]=new Ci,o[e]=new Ci;const l=new Ci,c=new Ci,h=new Ci,u=new $t,d=new $t,p=new $t,A=new Ci,m=new Ci;function g(e,t,n){l.fromBufferAttribute(i,e),c.fromBufferAttribute(i,t),h.fromBufferAttribute(i,n),u.fromBufferAttribute(r,e),d.fromBufferAttribute(r,t),p.fromBufferAttribute(r,n),c.sub(l),h.sub(l),d.sub(u),p.sub(u);const s=1/(d.x*p.y-p.x*d.y);isFinite(s)&&(A.copy(c).multiplyScalar(p.y).addScaledVector(h,-d.y).multiplyScalar(s),m.copy(h).multiplyScalar(d.x).addScaledVector(c,-p.x).multiplyScalar(s),a[e].add(A),a[t].add(A),a[n].add(A),o[e].add(m),o[t].add(m),o[n].add(m))}let f=this.groups;0===f.length&&(f=[{start:0,count:e.count}]);for(let t=0,i=f.length;t<i;++t){const i=f[t],n=i.start;for(let t=n,r=n+i.count;t<r;t+=3)g(e.getX(t+0),e.getX(t+1),e.getX(t+2))}const b=new Ci,v=new Ci,y=new Ci,_=new Ci;function E(e){y.fromBufferAttribute(n,e),_.copy(y);const t=a[e];b.copy(t),b.sub(y.multiplyScalar(y.dot(t))).normalize(),v.crossVectors(_,t);const i=v.dot(o[e])<0?-1:1;s.setXYZW(e,b.x,b.y,b.z,i)}for(let t=0,i=f.length;t<i;++t){const i=f[t],n=i.start;for(let t=n,r=n+i.count;t<r;t+=3)E(e.getX(t+0)),E(e.getX(t+1)),E(e.getX(t+2))}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let i=this.getAttribute("normal");if(void 0===i)i=new sr(new Float32Array(3*t.count),3),this.setAttribute("normal",i);else for(let e=0,t=i.count;e<t;e++)i.setXYZ(e,0,0,0);const n=new Ci,r=new Ci,s=new Ci,a=new Ci,o=new Ci,l=new Ci,c=new Ci,h=new Ci;if(e)for(let u=0,d=e.count;u<d;u+=3){const d=e.getX(u+0),p=e.getX(u+1),A=e.getX(u+2);n.fromBufferAttribute(t,d),r.fromBufferAttribute(t,p),s.fromBufferAttribute(t,A),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),l.fromBufferAttribute(i,A),a.add(c),o.add(c),l.add(c),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(A,l.x,l.y,l.z)}else for(let e=0,a=t.count;e<a;e+=3)n.fromBufferAttribute(t,e+0),r.fromBufferAttribute(t,e+1),s.fromBufferAttribute(t,e+2),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),i.setXYZ(e+0,c.x,c.y,c.z),i.setXYZ(e+1,c.x,c.y,c.z),i.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const e=this.attributes.normal;for(let t=0,i=e.count;t<i;t++)mr.fromBufferAttribute(e,t),mr.normalize(),e.setXYZ(t,mr.x,mr.y,mr.z)}toNonIndexed(){function e(e,t){const i=e.array,n=e.itemSize,r=e.normalized,s=new i.constructor(t.length*n);let a=0,o=0;for(let r=0,l=t.length;r<l;r++){a=e.isInterleavedBufferAttribute?t[r]*e.data.stride+e.offset:t[r]*n;for(let e=0;e<n;e++)s[o++]=i[a++]}return new sr(s,n,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new gr,i=this.index.array,n=this.attributes;for(const r in n){const s=e(n[r],i);t.setAttribute(r,s)}const r=this.morphAttributes;for(const n in r){const s=[],a=r[n];for(let t=0,n=a.length;t<n;t++){const n=e(a[t],i);s.push(n)}t.morphAttributes[n]=s}t.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let e=0,i=s.length;e<i;e++){const i=s[e];t.addGroup(i.start,i.count,i.materialIndex)}return t}toJSON(){const e={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){const t=this.parameters;for(const i in t)void 0!==t[i]&&(e[i]=t[i]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const i=this.attributes;for(const t in i){const n=i[t];e.data.attributes[t]=n.toJSON(e.data)}const n={};let r=!1;for(const t in this.morphAttributes){const i=this.morphAttributes[t],s=[];for(let t=0,n=i.length;t<n;t++){const n=i[t];s.push(n.toJSON(e.data))}s.length>0&&(n[t]=s,r=!0)}r&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(e.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(e.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),e}clone(){return(new this.constructor).copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const i=e.index;null!==i&&this.setIndex(i.clone(t));const n=e.attributes;for(const e in n){const i=n[e];this.setAttribute(e,i.clone(t))}const r=e.morphAttributes;for(const e in r){const i=[],n=r[e];for(let e=0,r=n.length;e<r;e++)i.push(n[e].clone(t));this.morphAttributes[e]=i}this.morphTargetsRelative=e.morphTargetsRelative;const s=e.groups;for(let e=0,t=s.length;e<t;e++){const t=s[e];this.addGroup(t.start,t.count,t.materialIndex)}const a=e.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=e.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const fr=new tn,br=new en,vr=new qi,yr=new Ci,_r=new Ci,Er=new Ci,xr=new Ci,Sr=new Ci,Cr=new Ci,wr=new Ci,Ir=new Ci;class Mr extends Tn{constructor(e=new gr,t=new $n){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){const t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){const i=this.geometry,n=i.attributes.position,r=i.morphAttributes.position,s=i.morphTargetsRelative;t.fromBufferAttribute(n,e);const a=this.morphTargetInfluences;if(r&&a){Cr.set(0,0,0);for(let i=0,n=r.length;i<n;i++){const n=a[i],o=r[i];0!==n&&(Sr.fromBufferAttribute(o,e),s?Cr.addScaledVector(Sr,n):Cr.addScaledVector(Sr.sub(t),n))}t.add(Cr)}return t}raycast(e,t){const i=this.geometry,n=this.material,r=this.matrixWorld;if(void 0!==n){if(null===i.boundingSphere&&i.computeBoundingSphere(),vr.copy(i.boundingSphere),vr.applyMatrix4(r),br.copy(e.ray).recast(e.near),!1===vr.containsPoint(br.origin)){if(null===br.intersectSphere(vr,yr))return;if(br.origin.distanceToSquared(yr)>(e.far-e.near)**2)return}fr.copy(r).invert(),br.copy(e.ray).applyMatrix4(fr),null!==i.boundingBox&&!1===br.intersectsBox(i.boundingBox)||this._computeIntersections(e,t,br)}}_computeIntersections(e,t,i){let n;const r=this.geometry,s=this.material,a=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(s))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=s[o.materialIndex];for(let r=Math.max(o.start,d.start),s=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<s;r+=3){n=Tr(this,p,e,i,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),n&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=o.materialIndex,t.push(n))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){n=Tr(this,s,e,i,l,c,h,a.getX(r),a.getX(r+1),a.getX(r+2)),n&&(n.faceIndex=Math.floor(r/3),t.push(n))}}else if(void 0!==o)if(Array.isArray(s))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=s[a.materialIndex];for(let r=Math.max(a.start,d.start),s=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<s;r+=3){n=Tr(this,p,e,i,l,c,h,r,r+1,r+2),n&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=a.materialIndex,t.push(n))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){n=Tr(this,s,e,i,l,c,h,r,r+1,r+2),n&&(n.faceIndex=Math.floor(r/3),t.push(n))}}}}function Tr(e,t,i,n,r,s,a,o,l,c){e.getVertexPosition(o,_r),e.getVertexPosition(l,Er),e.getVertexPosition(c,xr);const h=function(e,t,i,n,r,s,a,o){let l;if(l=1===t.side?n.intersectTriangle(a,s,r,!0,o):n.intersectTriangle(r,s,a,0===t.side,o),null===l)return null;Ir.copy(o),Ir.applyMatrix4(e.matrixWorld);const c=i.ray.origin.distanceTo(Ir);return c<i.near||c>i.far?null:{distance:c,point:Ir.clone(),object:e}}(e,t,i,n,_r,Er,xr,wr);if(h){const e=new Ci;zn.getBarycoord(wr,_r,Er,xr,e),r&&(h.uv=zn.getInterpolatedAttribute(r,o,l,c,e,new $t)),s&&(h.uv1=zn.getInterpolatedAttribute(s,o,l,c,e,new $t)),a&&(h.normal=zn.getInterpolatedAttribute(a,o,l,c,e,new Ci),h.normal.dot(n.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Ci,materialIndex:0};zn.getNormal(_r,Er,xr,t.normal),h.face=t,h.barycoord=e}return h}class Br extends gr{constructor(e=1,t=1,i=1,n=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:n,heightSegments:r,depthSegments:s};const a=this;n=Math.floor(n),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(e,t,i,n,r,s,p,A,m,g,f){const b=s/m,v=p/g,y=s/2,_=p/2,E=A/2,x=m+1,S=g+1;let C=0,w=0;const I=new Ci;for(let s=0;s<S;s++){const a=s*v-_;for(let o=0;o<x;o++){const u=o*b-y;I[e]=u*n,I[t]=a*r,I[i]=E,l.push(I.x,I.y,I.z),I[e]=0,I[t]=0,I[i]=A>0?1:-1,c.push(I.x,I.y,I.z),h.push(o/m),h.push(1-s/g),C+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){const i=u+t+x*e,n=u+t+x*(e+1),r=u+(t+1)+x*(e+1),s=u+(t+1)+x*e;o.push(i,n,s),o.push(n,r,s),w+=6}a.addGroup(d,w,f),d+=w,u+=C}p("z","y","x",-1,-1,i,t,e,s,r,0),p("z","y","x",1,-1,i,t,-e,s,r,1),p("x","z","y",1,1,e,i,t,n,s,2),p("x","z","y",1,-1,e,i,-t,n,s,3),p("x","y","z",1,-1,e,t,i,n,r,4),p("x","y","z",-1,-1,e,t,-i,n,r,5),this.setIndex(o),this.setAttribute("position",new lr(l,3)),this.setAttribute("normal",new lr(c,3)),this.setAttribute("uv",new lr(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Br(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function Rr(e){const t={};for(const i in e){t[i]={};for(const n in e[i]){const r=e[i][n];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),t[i][n]=null):t[i][n]=r.clone():Array.isArray(r)?t[i][n]=r.slice():t[i][n]=r}}return t}function Dr(e){const t={};for(let i=0;i<e.length;i++){const n=Rr(e[i]);for(const e in n)t[e]=n[e]}return t}function Lr(e){const t=e.getRenderTarget();return null===t?e.outputColorSpace:!0===t.isXRRenderTarget?t.texture.colorSpace:ci.workingColorSpace}const Ur={clone:Rr,merge:Dr};class Pr extends Jn{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Rr(e.uniforms),this.uniformsGroups=function(e){const t=[];for(let i=0;i<e.length;i++)t.push(e[i].clone());return t}(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const i in this.uniforms){const n=this.uniforms[i].value;n&&n.isTexture?t.uniforms[i]={type:"t",value:n.toJSON(e).uuid}:n&&n.isColor?t.uniforms[i]={type:"c",value:n.getHex()}:n&&n.isVector2?t.uniforms[i]={type:"v2",value:n.toArray()}:n&&n.isVector3?t.uniforms[i]={type:"v3",value:n.toArray()}:n&&n.isVector4?t.uniforms[i]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?t.uniforms[i]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?t.uniforms[i]={type:"m4",value:n.toArray()}:t.uniforms[i]={value:n}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;const i={};for(const e in this.extensions)!0===this.extensions[e]&&(i[e]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}}class Fr extends Tn{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new tn,this.projectionMatrix=new tn,this.projectionMatrixInverse=new tn,this.coordinateSystem=Qt}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}const Nr=new Ci,Qr=new $t,kr=new $t;class Or extends Fr{constructor(e=50,t=1,i=.1,n=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(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(e){const t=.5*this.getFilmHeight()/e;this.fov=2*Vt*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(.5*zt*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*Vt*Math.atan(Math.tan(.5*zt*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){Nr.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(Nr.x,Nr.y).multiplyScalar(-e/Nr.z),Nr.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Nr.x,Nr.y).multiplyScalar(-e/Nr.z)}getViewSize(e,t){return this.getViewBounds(e,Qr,kr),t.subVectors(kr,Qr)}setViewOffset(e,t,i,n,r,s){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=i,this.view.offsetY=n,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(.5*zt*this.fov)/this.zoom,i=2*t,n=this.aspect*i,r=-.5*n;const s=this.view;if(null!==this.view&&this.view.enabled){const e=s.fullWidth,a=s.fullHeight;r+=s.offsetX*n/e,t-=s.offsetY*i/a,n*=s.width/e,i*=s.height/a}const a=this.filmOffset;0!==a&&(r+=e*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+n,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}const Gr=-90;class Hr extends Tn{constructor(e,t,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const n=new Or(Gr,1,e,t);n.layers=this.layers,this.add(n);const r=new Or(Gr,1,e,t);r.layers=this.layers,this.add(r);const s=new Or(Gr,1,e,t);s.layers=this.layers,this.add(s);const a=new Or(Gr,1,e,t);a.layers=this.layers,this.add(a);const o=new Or(Gr,1,e,t);o.layers=this.layers,this.add(o);const l=new Or(Gr,1,e,t);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const e=this.coordinateSystem,t=this.children.concat(),[i,n,r,s,a,o]=t;for(const e of t)this.remove(e);if(e===Qt)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(e!==kt)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const e of t)this.add(e),e.updateMatrixWorld()}update(e,t){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[r,s,a,o,l,c]=this.children,h=e.getRenderTarget(),u=e.getActiveCubeFace(),d=e.getActiveMipmapLevel(),p=e.xr.enabled;e.xr.enabled=!1;const A=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,n),e.render(t,r),e.setRenderTarget(i,1,n),e.render(t,s),e.setRenderTarget(i,2,n),e.render(t,a),e.setRenderTarget(i,3,n),e.render(t,o),e.setRenderTarget(i,4,n),e.render(t,l),i.texture.generateMipmaps=A,e.setRenderTarget(i,5,n),e.render(t,c),e.setRenderTarget(h,u,d),e.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class zr extends bi{constructor(e,t,i,n,r,s,a,o,l,c){super(e=void 0!==e?e:[],t=void 0!==t?t:ie,i,n,r,s,a,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class Vr extends _i{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const i={width:e,height:e,depth:1},n=[i,i,i,i,i,i];this.texture=new zr(n,t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:de}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},n=new Br(5,5,5),r=new Pr({name:"CubemapFromEquirect",uniforms:Rr(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=t;const s=new Mr(n,r),a=t.minFilter;t.minFilter===Ae&&(t.minFilter=de);return new Hr(1,10,this).update(e,s),t.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(e,t,i,n){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,i,n);e.setRenderTarget(r)}}class Wr extends Tn{constructor(){super(),this.isGroup=!0,this.type="Group"}}const qr={type:"move"};class jr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Wr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Wr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Ci,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Ci),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Wr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Ci,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Ci),this._grip}dispatchEvent(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}connect(e){if(e&&e.hand){const t=this._hand;if(t)for(const i of e.hand.values())this._getHandJoint(t,i)}return this.dispatchEvent({type:"connected",data:e}),this}disconnect(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(e,t,i){let n=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState){if(l&&e.hand){s=!0;for(const n of e.hand.values()){const e=t.getJointPose(n,i),r=this._getHandJoint(l,n);null!==e&&(r.matrix.fromArray(e.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=e.radius),r.visible=null!==e}const n=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=n.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&e.gripSpace&&(r=t.getPose(e.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(n=t.getPose(e.targetRaySpace,i),null===n&&null!==r&&(n=r),null!==n&&(a.matrix.fromArray(n.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,n.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(n.linearVelocity)):a.hasLinearVelocity=!1,n.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(n.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(qr)))}return null!==a&&(a.visible=null!==n),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}_getHandJoint(e,t){if(void 0===e.joints[t.jointName]){const i=new Wr;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}}class Xr extends Tn{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new dn,this.environmentIntensity=1,this.environmentRotation=new dn,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(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()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return null!==this.fog&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}}class Yr{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=Ft,this.updateRanges=[],this.version=0,this.uuid=Wt()}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,i){e*=this.stride,i*=t.stride;for(let n=0,r=this.stride;n<r;n++)this.array[e+n]=t.array[i+n];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Wt()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(t,this.stride);return i.setUsage(this.usage),i}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=Wt()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const Kr=new Ci;class Jr{constructor(e,t,i,n=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=i,this.normalized=n}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,i=this.data.count;t<i;t++)Kr.fromBufferAttribute(this,t),Kr.applyMatrix4(e),this.setXYZ(t,Kr.x,Kr.y,Kr.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)Kr.fromBufferAttribute(this,t),Kr.applyNormalMatrix(e),this.setXYZ(t,Kr.x,Kr.y,Kr.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)Kr.fromBufferAttribute(this,t),Kr.transformDirection(e),this.setXYZ(t,Kr.x,Kr.y,Kr.z);return this}getComponent(e,t){let i=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(i=Yt(i,this.array)),i}setComponent(e,t,i){return this.normalized&&(i=Kt(i,this.array)),this.data.array[e*this.data.stride+this.offset+t]=i,this}setX(e,t){return this.normalized&&(t=Kt(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=Kt(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=Kt(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=Kt(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=Yt(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=Yt(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=Yt(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=Yt(t,this.array)),t}setXY(e,t,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this}setXYZ(e,t,i,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array),n=Kt(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this.data.array[e+2]=n,this}setXYZW(e,t,i,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=Kt(t,this.array),i=Kt(i,this.array),n=Kt(n,this.array),r=Kt(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this.data.array[e+2]=n,this.data.array[e+3]=r,this}clone(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const i=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[i+t])}return new sr(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new Jr(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const i=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[i+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}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}}}const $r=new Ci,Zr=new vi,es=new vi,ts=new Ci,is=new tn,ns=new Ci,rs=new qi,ss=new tn,as=new en;class os extends Mr{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=ee,this.bindMatrix=new tn,this.bindMatrixInverse=new tn,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const e=this.geometry;null===this.boundingBox&&(this.boundingBox=new Mi),this.boundingBox.makeEmpty();const t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,ns),this.boundingBox.expandByPoint(ns)}computeBoundingSphere(){const e=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new qi),this.boundingSphere.makeEmpty();const t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,ns),this.boundingSphere.expandByPoint(ns)}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){const i=this.material,n=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),rs.copy(this.boundingSphere),rs.applyMatrix4(n),!1!==e.ray.intersectsSphere(rs)&&(ss.copy(n).invert(),as.copy(e.ray).applyMatrix4(ss),null!==this.boundingBox&&!1===as.intersectsBox(this.boundingBox)||this._computeIntersections(e,t,as)))}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(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(){this.skeleton.pose()}normalizeSkinWeights(){const e=new vi,t=this.geometry.attributes.skinWeight;for(let i=0,n=t.count;i<n;i++){e.fromBufferAttribute(t,i);const n=1/e.manhattanLength();n!==1/0?e.multiplyScalar(n):e.set(1,0,0,0),t.setXYZW(i,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===ee?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(e,t){const i=this.skeleton,n=this.geometry;Zr.fromBufferAttribute(n.attributes.skinIndex,e),es.fromBufferAttribute(n.attributes.skinWeight,e),$r.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const n=es.getComponent(e);if(0!==n){const r=Zr.getComponent(e);is.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),t.addScaledVector(ts.copy($r).applyMatrix4(is),n)}}return t.applyMatrix4(this.bindMatrixInverse)}}class ls extends Tn{constructor(){super(),this.isBone=!0,this.type="Bone"}}class cs extends bi{constructor(e=null,t=1,i=1,n,r,s,a,o,l=1003,c=1003,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isDataTexture=!0,this.image={data:e,width:t,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const hs=new tn,us=new tn;class ds{constructor(e=[],t=[]){this.uuid=Wt(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){const 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(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new tn)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new tn;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){const e=this.bones,t=this.boneInverses,i=this.boneMatrices,n=this.boneTexture;for(let n=0,r=e.length;n<r;n++){const r=e[n]?e[n].matrixWorld:us;hs.multiplyMatrices(r,t[n]),hs.toArray(i,16*n)}null!==n&&(n.needsUpdate=!0)}clone(){return new ds(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(4*this.bones.length);e=4*Math.ceil(e/4),e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const i=new cs(t,e,e,Ie,_e);return i.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=i,this}getBoneByName(e){for(let t=0,i=this.bones.length;t<i;t++){const i=this.bones[t];if(i.name===e)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let i=0,n=e.bones.length;i<n;i++){const n=e.bones[i];let r=t[n];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",n),r=new ls),this.bones.push(r),this.boneInverses.push((new tn).fromArray(e.boneInverses[i]))}return this.init(),this}toJSON(){const e={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,i=this.boneInverses;for(let n=0,r=t.length;n<r;n++){const r=t[n];e.bones.push(r.uuid);const s=i[n];e.boneInverses.push(s.toArray())}return e}}class ps extends sr{constructor(e,t,i,n=1){super(e,t,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}const As=new tn,ms=new tn,gs=[],fs=new Mi,bs=new tn,vs=new Mr,ys=new qi;class _s extends Mr{constructor(e,t,i){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new ps(new Float32Array(16*i),16),this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let e=0;e<i;e++)this.setMatrixAt(e,bs)}computeBoundingBox(){const e=this.geometry,t=this.count;null===this.boundingBox&&(this.boundingBox=new Mi),null===e.boundingBox&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<t;i++)this.getMatrixAt(i,As),fs.copy(e.boundingBox).applyMatrix4(As),this.boundingBox.union(fs)}computeBoundingSphere(){const e=this.geometry,t=this.count;null===this.boundingSphere&&(this.boundingSphere=new qi),null===e.boundingSphere&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<t;i++)this.getMatrixAt(i,As),ys.copy(e.boundingSphere).applyMatrix4(As),this.boundingSphere.union(ys)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),null!==e.morphTexture&&(this.morphTexture=e.morphTexture.clone()),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){t.fromArray(this.instanceColor.array,3*e)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,16*e)}getMorphAt(e,t){const i=t.morphTargetInfluences,n=this.morphTexture.source.data.data,r=e*(i.length+1)+1;for(let e=0;e<i.length;e++)i[e]=n[r+e]}raycast(e,t){const i=this.matrixWorld,n=this.count;if(vs.geometry=this.geometry,vs.material=this.material,void 0!==vs.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),ys.copy(this.boundingSphere),ys.applyMatrix4(i),!1!==e.ray.intersectsSphere(ys)))for(let r=0;r<n;r++){this.getMatrixAt(r,As),ms.multiplyMatrices(i,As),vs.matrixWorld=ms,vs.raycast(e,gs);for(let e=0,i=gs.length;e<i;e++){const i=gs[e];i.instanceId=r,i.object=this,t.push(i)}gs.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new ps(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}setMorphAt(e,t){const i=t.morphTargetInfluences,n=i.length+1;null===this.morphTexture&&(this.morphTexture=new cs(new Float32Array(n*this.count),n,this.count,Be,_e));const r=this.morphTexture.source.data.data;let s=0;for(let e=0;e<i.length;e++)s+=i[e];const a=this.geometry.morphTargetsRelative?1:1-s,o=n*e;r[o]=a,r.set(i,o+1)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const Es=new Ci,xs=new Ci,Ss=new Zt;class Cs{constructor(e=new Ci(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,i,n){return this.normal.set(e,t,i),this.constant=n,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,i){const n=Es.subVectors(i,t).cross(xs.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(n,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t){const i=e.delta(Es),n=this.normal.dot(i);if(0===n)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;const r=-(e.start.dot(this.normal)+this.constant)/n;return r<0||r>1?null:t.copy(e.start).addScaledVector(i,r)}intersectsLine(e){const t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const i=t||Ss.getNormalMatrix(e),n=this.coplanarPoint(Es).applyMatrix4(e),r=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ws=new qi,Is=new Ci;class Ms{constructor(e=new Cs,t=new Cs,i=new Cs,n=new Cs,r=new Cs,s=new Cs){this.planes=[e,t,i,n,r,s]}set(e,t,i,n,r,s){const a=this.planes;return a[0].copy(e),a[1].copy(t),a[2].copy(i),a[3].copy(n),a[4].copy(r),a[5].copy(s),this}copy(e){const t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=2e3){const i=this.planes,n=e.elements,r=n[0],s=n[1],a=n[2],o=n[3],l=n[4],c=n[5],h=n[6],u=n[7],d=n[8],p=n[9],A=n[10],m=n[11],g=n[12],f=n[13],b=n[14],v=n[15];if(i[0].setComponents(o-r,u-l,m-d,v-g).normalize(),i[1].setComponents(o+r,u+l,m+d,v+g).normalize(),i[2].setComponents(o+s,u+c,m+p,v+f).normalize(),i[3].setComponents(o-s,u-c,m-p,v-f).normalize(),i[4].setComponents(o-a,u-h,m-A,v-b).normalize(),t===Qt)i[5].setComponents(o+a,u+h,m+A,v+b).normalize();else{if(t!==kt)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);i[5].setComponents(a,h,A,b).normalize()}return this}intersectsObject(e){if(void 0!==e.boundingSphere)null===e.boundingSphere&&e.computeBoundingSphere(),ws.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;null===t.boundingSphere&&t.computeBoundingSphere(),ws.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(ws)}intersectsSprite(e){return ws.center.set(0,0,0),ws.radius=.7071067811865476,ws.applyMatrix4(e.matrixWorld),this.intersectsSphere(ws)}intersectsSphere(e){const t=this.planes,i=e.center,n=-e.radius;for(let e=0;e<6;e++){if(t[e].distanceToPoint(i)<n)return!1}return!0}intersectsBox(e){const t=this.planes;for(let i=0;i<6;i++){const n=t[i];if(Is.x=n.normal.x>0?e.max.x:e.min.x,Is.y=n.normal.y>0?e.max.y:e.min.y,Is.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(Is)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}class Ts extends Jn{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Xn(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}const Bs=new Ci,Rs=new Ci,Ds=new tn,Ls=new en,Us=new qi,Ps=new Ci,Fs=new Ci;class Ns extends Tn{constructor(e=new gr,t=new Ts){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,i=[0];for(let e=1,n=t.count;e<n;e++)Bs.fromBufferAttribute(t,e-1),Rs.fromBufferAttribute(t,e),i[e]=i[e-1],i[e]+=Bs.distanceTo(Rs);e.setAttribute("lineDistance",new lr(i,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const i=this.geometry,n=this.matrixWorld,r=e.params.Line.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Us.copy(i.boundingSphere),Us.applyMatrix4(n),Us.radius+=r,!1===e.ray.intersectsSphere(Us))return;Ds.copy(n).invert(),Ls.copy(e.ray).applyMatrix4(Ds);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=this.isLineSegments?2:1,c=i.index,h=i.attributes.position;if(null!==c){const i=Math.max(0,s.start),n=Math.min(c.count,s.start+s.count);for(let r=i,s=n-1;r<s;r+=l){const i=c.getX(r),n=c.getX(r+1),s=Qs(this,e,Ls,o,i,n,r);s&&t.push(s)}if(this.isLineLoop){const r=c.getX(n-1),s=c.getX(i),a=Qs(this,e,Ls,o,r,s,n-1);a&&t.push(a)}}else{const i=Math.max(0,s.start),n=Math.min(h.count,s.start+s.count);for(let r=i,s=n-1;r<s;r+=l){const i=Qs(this,e,Ls,o,r,r+1,r);i&&t.push(i)}if(this.isLineLoop){const r=Qs(this,e,Ls,o,n-1,i,n-1);r&&t.push(r)}}}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){const t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function Qs(e,t,i,n,r,s,a){const o=e.geometry.attributes.position;Bs.fromBufferAttribute(o,r),Rs.fromBufferAttribute(o,s);if(i.distanceSqToSegment(Bs,Rs,Ps,Fs)>n)return;Ps.applyMatrix4(e.matrixWorld);const l=t.ray.origin.distanceTo(Ps);return l<t.near||l>t.far?void 0:{distance:l,point:Fs.clone().applyMatrix4(e.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:e}}const ks=new Ci,Os=new Ci;class Gs extends Ns{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,i=[];for(let e=0,n=t.count;e<n;e+=2)ks.fromBufferAttribute(t,e),Os.fromBufferAttribute(t,e+1),i[e]=0===e?0:i[e-1],i[e+1]=i[e]+ks.distanceTo(Os);e.setAttribute("lineDistance",new lr(i,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Hs extends Ns{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class zs extends Jn{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Xn(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}const Vs=new tn,Ws=new en,qs=new qi,js=new Ci;class Xs extends Tn{constructor(e=new gr,t=new zs){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){const i=this.geometry,n=this.matrixWorld,r=e.params.Points.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),qs.copy(i.boundingSphere),qs.applyMatrix4(n),qs.radius+=r,!1===e.ray.intersectsSphere(qs))return;Vs.copy(n).invert(),Ws.copy(e.ray).applyMatrix4(Vs);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=i.index,c=i.attributes.position;if(null!==l){for(let i=Math.max(0,s.start),r=Math.min(l.count,s.start+s.count);i<r;i++){const r=l.getX(i);js.fromBufferAttribute(c,r),Ys(js,r,o,n,e,t,this)}}else{for(let i=Math.max(0,s.start),r=Math.min(c.count,s.start+s.count);i<r;i++)js.fromBufferAttribute(c,i),Ys(js,i,o,n,e,t,this)}}updateMorphTargets(){const e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){const i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){const t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function Ys(e,t,i,n,r,s,a){const o=Ws.distanceSqToPoint(e);if(o<i){const i=new Ci;Ws.closestPointToPoint(e,i),i.applyMatrix4(n);const l=r.ray.origin.distanceTo(i);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:i,index:t,face:null,faceIndex:null,barycoord:null,object:a})}}class Ks extends bi{constructor(e,t,i,n,r,s,a,o,l){super(e,t,i,n,r,s,a,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==s?s:de,this.magFilter=void 0!==r?r:de,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback((function t(){c.needsUpdate=!0,e.requestVideoFrameCallback(t)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const e=this.image;!1==="requestVideoFrameCallback"in e&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class Js extends bi{constructor(e,t,i,n,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isCompressedTexture=!0,this.image={width:t,height:i},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}class $s extends Js{constructor(e,t,i,n,r,s){super(e,t,i,r,s),this.isCompressedArrayTexture=!0,this.image.depth=n,this.wrapR=oe,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class Zs extends Js{constructor(e,t,i){super(void 0,e[0].width,e[0].height,t,i,ie),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}}class ea extends bi{constructor(e,t,i,n,r,s,a,o,l){super(e,t,i,n,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class ta extends bi{constructor(e,t,i,n,r,s,a,o,l,c=1026){if(c!==Me&&c!==Te)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===i&&c===Me&&(i=ye),void 0===i&&c===Te&&(i=Ce),super(null,n,r,s,a,o,c,i,l),this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=void 0!==a?a:ce,this.minFilter=void 0!==o?o:ce,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new mi(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){const t=super.toJSON(e);return null!==this.compareFunction&&(t.compareFunction=this.compareFunction),t}}class ia extends gr{constructor(e=1,t=1,i=1,n=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:i,heightSegments:n};const r=e/2,s=t/2,a=Math.floor(i),o=Math.floor(n),l=a+1,c=o+1,h=e/a,u=t/o,d=[],p=[],A=[],m=[];for(let e=0;e<c;e++){const t=e*u-s;for(let i=0;i<l;i++){const n=i*h-r;p.push(n,-t,0),A.push(0,0,1),m.push(i/a),m.push(1-e/o)}}for(let e=0;e<o;e++)for(let t=0;t<a;t++){const i=t+l*e,n=t+l*(e+1),r=t+1+l*(e+1),s=t+1+l*e;d.push(i,n,s),d.push(n,r,s)}this.setIndex(d),this.setAttribute("position",new lr(p,3)),this.setAttribute("normal",new lr(A,3)),this.setAttribute("uv",new lr(m,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ia(e.width,e.height,e.widthSegments,e.heightSegments)}}class na extends gr{constructor(e=1,t=32,i=16,n=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:i,phiStart:n,phiLength:r,thetaStart:s,thetaLength:a},t=Math.max(3,Math.floor(t)),i=Math.max(2,Math.floor(i));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new Ci,u=new Ci,d=[],p=[],A=[],m=[];for(let d=0;d<=i;d++){const g=[],f=d/i;let b=0;0===d&&0===s?b=.5/t:d===i&&o===Math.PI&&(b=-.5/t);for(let i=0;i<=t;i++){const o=i/t;h.x=-e*Math.cos(n+o*r)*Math.sin(s+f*a),h.y=e*Math.cos(s+f*a),h.z=e*Math.sin(n+o*r)*Math.sin(s+f*a),p.push(h.x,h.y,h.z),u.copy(h).normalize(),A.push(u.x,u.y,u.z),m.push(o+b,1-f),g.push(l++)}c.push(g)}for(let e=0;e<i;e++)for(let n=0;n<t;n++){const t=c[e][n+1],r=c[e][n],a=c[e+1][n],l=c[e+1][n+1];(0!==e||s>0)&&d.push(t,r,l),(e!==i-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new lr(p,3)),this.setAttribute("normal",new lr(A,3)),this.setAttribute("uv",new lr(m,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new na(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class ra extends Jn{constructor(e){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Xn(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 Xn(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new $t(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new dn,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.envMapRotation.copy(e.envMapRotation),this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class sa extends ra{constructor(e){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new $t(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return qt(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Xn(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Xn(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Xn(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(e)}get anisotropy(){return this._anisotropy}set anisotropy(e){this._anisotropy>0!=e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!=e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,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.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}class aa extends Jn{constructor(e){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,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}}class oa extends Jn{constructor(e){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}function la(e,t,i){return!e||!i&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)}function ca(e){const t=e.length,i=new Array(t);for(let e=0;e!==t;++e)i[e]=e;return i.sort((function(t,i){return e[t]-e[i]})),i}function ha(e,t,i){const n=e.length,r=new e.constructor(n);for(let s=0,a=0;a!==n;++s){const n=i[s]*t;for(let i=0;i!==t;++i)r[a++]=e[n+i]}return r}function ua(e,t,i,n){let r=1,s=e[0];for(;void 0!==s&&void 0===s[n];)s=e[r++];if(void 0===s)return;let a=s[n];if(void 0!==a)if(Array.isArray(a))do{a=s[n],void 0!==a&&(t.push(s.time),i.push(...a)),s=e[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[n],void 0!==a&&(t.push(s.time),a.toArray(i,i.length)),s=e[r++]}while(void 0!==s);else do{a=s[n],void 0!==a&&(t.push(s.time),i.push(a)),s=e[r++]}while(void 0!==s)}class da{constructor(e,t,i,n){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==n?n:new t.constructor(i),this.sampleValues=t,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(e){const t=this.parameterPositions;let i=this._cachedIndex,n=t[i],r=t[i-1];e:{t:{let s;i:{n:if(!(e<n)){for(let s=i+2;;){if(void 0===n){if(e<r)break n;return i=t.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===s)break;if(r=n,n=t[++i],e<n)break t}s=t.length;break i}if(e>=r)break e;{const a=t[1];e<a&&(i=2,r=a);for(let s=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===s)break;if(n=r,r=t[--i-1],e>=r)break t}s=i,i=0}}for(;i<s;){const n=i+s>>>1;e<t[n]?s=n:i=n+1}if(n=t[i],r=t[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===n)return i=t.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,n)}return this.interpolate_(i,r,e,n)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,i=this.sampleValues,n=this.valueSize,r=e*n;for(let e=0;e!==n;++e)t[e]=i[r+e];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class pa extends da{constructor(e,t,i,n){super(e,t,i,n),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:bt,endingEnd:bt}}intervalChanged_(e,t,i){const n=this.parameterPositions;let r=e-2,s=e+1,a=n[r],o=n[s];if(void 0===a)switch(this.getSettings_().endingStart){case vt:r=e,a=2*t-i;break;case yt:r=n.length-2,a=t+n[r]-n[r+1];break;default:r=e,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case vt:s=e,o=2*i-t;break;case yt:s=1,o=i+n[1]-n[0];break;default:s=e-1,o=t}const l=.5*(i-t),c=this.valueSize;this._weightPrev=l/(t-a),this._weightNext=l/(o-i),this._offsetPrev=r*c,this._offsetNext=s*c}interpolate_(e,t,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=e*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-t)/(n-t),A=p*p,m=A*p,g=-u*m+2*u*A-u*p,f=(1+u)*m+(-1.5-2*u)*A+(-.5+u)*p+1,b=(-1-d)*m+(1.5+d)*A+.5*p,v=d*m-d*A;for(let e=0;e!==a;++e)r[e]=g*s[c+e]+f*s[l+e]+b*s[o+e]+v*s[h+e];return r}}class Aa extends da{constructor(e,t,i,n){super(e,t,i,n)}interpolate_(e,t,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=e*a,l=o-a,c=(i-t)/(n-t),h=1-c;for(let e=0;e!==a;++e)r[e]=s[l+e]*h+s[o+e]*c;return r}}class ma extends da{constructor(e,t,i,n){super(e,t,i,n)}interpolate_(e){return this.copySampleValue_(e-1)}}class ga{constructor(e,t,i,n){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=la(t,this.TimeBufferType),this.values=la(i,this.ValueBufferType),this.setInterpolation(n||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let i;if(t.toJSON!==this.toJSON)i=t.toJSON(e);else{i={name:e.name,times:la(e.times,Array),values:la(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(i.interpolation=t)}return i.type=e.ValueTypeName,i}InterpolantFactoryMethodDiscrete(e){return new ma(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new Aa(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new pa(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case mt:t=this.InterpolantFactoryMethodDiscrete;break;case gt:t=this.InterpolantFactoryMethodLinear;break;case ft:t=this.InterpolantFactoryMethodSmooth}if(void 0===t){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(t);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return mt;case this.InterpolantFactoryMethodLinear:return gt;case this.InterpolantFactoryMethodSmooth:return ft}}getValueSize(){return this.values.length/this.times.length}shift(e){if(0!==e){const t=this.times;for(let i=0,n=t.length;i!==n;++i)t[i]+=e}return this}scale(e){if(1!==e){const t=this.times;for(let i=0,n=t.length;i!==n;++i)t[i]*=e}return this}trim(e,t){const i=this.times,n=i.length;let r=0,s=n-1;for(;r!==n&&i[r]<e;)++r;for(;-1!==s&&i[s]>t;)--s;if(++s,0!==r||s!==n){r>=s&&(s=Math.max(s,1),r=s-1);const e=this.getValueSize();this.times=i.slice(r,s),this.values=this.values.slice(r*e,s*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const i=this.times,n=this.values,r=i.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let s=null;for(let t=0;t!==r;t++){const n=i[t];if("number"==typeof n&&isNaN(n)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,t,n),e=!1;break}if(null!==s&&s>n){console.error("THREE.KeyframeTrack: Out of order keys.",this,t,n,s),e=!1;break}s=n}if(void 0!==n&&(a=n,ArrayBuffer.isView(a)&&!(a instanceof DataView)))for(let t=0,i=n.length;t!==i;++t){const i=n[t];if(isNaN(i)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,t,i),e=!1;break}}var a;return e}optimize(){const e=this.times.slice(),t=this.values.slice(),i=this.getValueSize(),n=this.getInterpolation()===ft,r=e.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=e[a];if(o!==e[a+1]&&(1!==a||o!==e[0]))if(n)r=!0;else{const e=a*i,n=e-i,s=e+i;for(let a=0;a!==i;++a){const i=t[e+a];if(i!==t[n+a]||i!==t[s+a]){r=!0;break}}}if(r){if(a!==s){e[s]=e[a];const n=a*i,r=s*i;for(let e=0;e!==i;++e)t[r+e]=t[n+e]}++s}}if(r>0){e[s]=e[r];for(let e=r*i,n=s*i,a=0;a!==i;++a)t[n+a]=t[e+a];++s}return s!==e.length?(this.times=e.slice(0,s),this.values=t.slice(0,s*i)):(this.times=e,this.values=t),this}clone(){const e=this.times.slice(),t=this.values.slice(),i=new(0,this.constructor)(this.name,e,t);return i.createInterpolant=this.createInterpolant,i}}ga.prototype.TimeBufferType=Float32Array,ga.prototype.ValueBufferType=Float32Array,ga.prototype.DefaultInterpolation=gt;class fa extends ga{constructor(e,t,i){super(e,t,i)}}fa.prototype.ValueTypeName="bool",fa.prototype.ValueBufferType=Array,fa.prototype.DefaultInterpolation=mt,fa.prototype.InterpolantFactoryMethodLinear=void 0,fa.prototype.InterpolantFactoryMethodSmooth=void 0;class ba extends ga{}ba.prototype.ValueTypeName="color";class va extends ga{}va.prototype.ValueTypeName="number";class ya extends 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t=n[e];t||(n[e]=t=[]),t.push(i)}}const s=[];for(const e in n)s.push(this.CreateFromMorphTargetSequence(e,n[e],t,i));return s}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const i=function(e,t,i,n,r){if(0!==i.length){const s=[],a=[];ua(i,s,a,n),0!==s.length&&r.push(new e(t,s,a))}},n=[],r=e.name||"default",s=e.fps||30,a=e.blendMode;let o=e.length||-1;const l=e.hierarchy||[];for(let e=0;e<l.length;e++){const r=l[e].keys;if(r&&0!==r.length)if(r[0].morphTargets){const e={};let t;for(t=0;t<r.length;t++)if(r[t].morphTargets)for(let i=0;i<r[t].morphTargets.length;i++)e[r[t].morphTargets[i]]=-1;for(const i in e){const e=[],s=[];for(let n=0;n!==r[t].morphTargets.length;++n){const n=r[t];e.push(n.time),s.push(n.morphTarget===i?1:0)}n.push(new va(".morphTargetInfluence["+i+"]",e,s))}o=e.length*s}else{const s=".bones["+t[e].name+"]";i(xa,s+".position",r,"pos",n),i(_a,s+".quaternion",r,"rot",n),i(xa,s+".scale",r,"scl",n)}}if(0===n.length)return null;return new this(r,o,n,a)}resetDuration(){let e=0;for(let t=0,i=this.tracks.length;t!==i;++t){const i=this.tracks[t];e=Math.max(e,i.times[i.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function Ca(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=function(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return va;case"vector":case"vector2":case"vector3":case"vector4":return xa;case"color":return ba;case"quaternion":return _a;case"bool":case"boolean":return fa;case"string":return Ea}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}(e.type);if(void 0===e.times){const t=[],i=[];ua(e.keys,t,i,"value"),e.times=t,e.values=i}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const wa={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={}}};class Ia{constructor(e,t,i){const n=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=i,this.itemStart=function(e){o++,!1===s&&void 0!==n.onStart&&n.onStart(e,a,o),s=!0},this.itemEnd=function(e){a++,void 0!==n.onProgress&&n.onProgress(e,a,o),a===o&&(s=!1,void 0!==n.onLoad&&n.onLoad())},this.itemError=function(e){void 0!==n.onError&&n.onError(e)},this.resolveURL=function(e){return r?r(e):e},this.setURLModifier=function(e){return r=e,this},this.addHandler=function(e,t){return l.push(e,t),this},this.removeHandler=function(e){const t=l.indexOf(e);return-1!==t&&l.splice(t,2),this},this.getHandler=function(e){for(let t=0,i=l.length;t<i;t+=2){const i=l[t],n=l[t+1];if(i.global&&(i.lastIndex=0),i.test(e))return n}return null}}}const Ma=new Ia;class Ta{constructor(e){this.manager=void 0!==e?e:Ma,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const i=this;return new Promise((function(n,r){i.load(e,n,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}Ta.DEFAULT_MATERIAL_NAME="__DEFAULT";const Ba={};class Ra extends Error{constructor(e,t){super(e),this.response=t}}class Da extends Ta{constructor(e){super(e)}load(e,t,i,n){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=wa.get(e);if(void 0!==r)return this.manager.itemStart(e),setTimeout((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==Ba[e])return void Ba[e].push({onLoad:t,onProgress:i,onError:n});Ba[e]=[],Ba[e].push({onLoad:t,onProgress:i,onError:n});const s=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===t.body||void 0===t.body.getReader)return t;const i=Ba[e],n=t.body.getReader(),r=t.headers.get("X-File-Size")||t.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(e){!function t(){n.read().then((({done:n,value:r})=>{if(n)e.close();else{o+=r.byteLength;const n=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let e=0,t=i.length;e<t;e++){const t=i[e];t.onProgress&&t.onProgress(n)}e.enqueue(r),t()}}),(t=>{e.error(t)}))}()}});return new Response(l)}throw new Ra(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`,t)})).then((e=>{switch(o){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>(new DOMParser).parseFromString(e,a)));case"json":return e.json();default:if(void 0===a)return e.text();{const t=/charset="?([^;"\s]*)"?/i.exec(a),i=t&&t[1]?t[1].toLowerCase():void 0,n=new TextDecoder(i);return e.arrayBuffer().then((e=>n.decode(e)))}}})).then((t=>{wa.add(e,t);const i=Ba[e];delete Ba[e];for(let e=0,n=i.length;e<n;e++){const n=i[e];n.onLoad&&n.onLoad(t)}})).catch((t=>{const i=Ba[e];if(void 0===i)throw this.manager.itemError(e),t;delete Ba[e];for(let e=0,n=i.length;e<n;e++){const n=i[e];n.onError&&n.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class La extends Ta{constructor(e){super(e)}load(e,t,i,n){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,s=wa.get(e);if(void 0!==s)return r.manager.itemStart(e),setTimeout((function(){t&&t(s),r.manager.itemEnd(e)}),0),s;const a=ii("img");function o(){c(),wa.add(e,this),t&&t(this),r.manager.itemEnd(e)}function l(t){c(),n&&n(t),r.manager.itemError(e),r.manager.itemEnd(e)}function c(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==e.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(e),a.src=e,a}}class Ua extends Ta{constructor(e){super(e)}load(e,t,i,n){const r=this,s=new cs,a=new Da(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(e,(function(e){let i;try{i=r.parse(e)}catch(e){if(void 0===n)return void console.error(e);n(e)}void 0!==i.image?s.image=i.image:void 0!==i.data&&(s.image.width=i.width,s.image.height=i.height,s.image.data=i.data),s.wrapS=void 0!==i.wrapS?i.wrapS:oe,s.wrapT=void 0!==i.wrapT?i.wrapT:oe,s.magFilter=void 0!==i.magFilter?i.magFilter:de,s.minFilter=void 0!==i.minFilter?i.minFilter:de,s.anisotropy=void 0!==i.anisotropy?i.anisotropy:1,void 0!==i.colorSpace&&(s.colorSpace=i.colorSpace),void 0!==i.flipY&&(s.flipY=i.flipY),void 0!==i.format&&(s.format=i.format),void 0!==i.type&&(s.type=i.type),void 0!==i.mipmaps&&(s.mipmaps=i.mipmaps,s.minFilter=Ae),1===i.mipmapCount&&(s.minFilter=de),void 0!==i.generateMipmaps&&(s.generateMipmaps=i.generateMipmaps),s.needsUpdate=!0,t&&t(s,i)}),i,n),s}}class Pa extends Ta{constructor(e){super(e)}load(e,t,i,n){const r=new bi,s=new La(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(e,(function(e){r.image=e,r.needsUpdate=!0,void 0!==t&&t(r)}),i,n),r}}class Fa extends Tn{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new Xn(e),this.intensity=t}dispose(){}copy(e,t){return super.copy(e,t),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),void 0!==this.target&&(t.object.target=this.target.uuid),t}}const Na=new tn,Qa=new Ci,ka=new Ci;class Oa{constructor(e){this.camera=e,this.intensity=1,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new $t(512,512),this.map=null,this.mapPass=null,this.matrix=new tn,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ms,this._frameExtents=new $t(1,1),this._viewportCount=1,this._viewports=[new vi(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,i=this.matrix;Qa.setFromMatrixPosition(e.matrixWorld),t.position.copy(Qa),ka.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(ka),t.updateMatrixWorld(),Na.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Na),i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(Na)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.intensity=e.intensity,this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 1!==this.intensity&&(e.intensity=this.intensity),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}}class Ga extends Oa{constructor(){super(new Or(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(e){const t=this.camera,i=2*Vt*e.angle*this.focus,n=this.mapSize.width/this.mapSize.height,r=e.distance||t.far;i===t.fov&&n===t.aspect&&r===t.far||(t.fov=i,t.aspect=n,t.far=r,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class Ha extends Fa{constructor(e,t,i=0,n=Math.PI/3,r=0,s=2){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Tn.DEFAULT_UP),this.updateMatrix(),this.target=new Tn,this.distance=i,this.angle=n,this.penumbra=r,this.decay=s,this.map=null,this.shadow=new Ga}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),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}}const za=new tn,Va=new Ci,Wa=new Ci;class qa extends Oa{constructor(){super(new Or(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new $t(4,2),this._viewportCount=6,this._viewports=[new vi(2,1,1,1),new vi(0,1,1,1),new vi(3,1,1,1),new vi(1,1,1,1),new vi(3,0,1,1),new vi(1,0,1,1)],this._cubeDirections=[new Ci(1,0,0),new Ci(-1,0,0),new Ci(0,0,1),new Ci(0,0,-1),new Ci(0,1,0),new Ci(0,-1,0)],this._cubeUps=[new Ci(0,1,0),new Ci(0,1,0),new Ci(0,1,0),new Ci(0,1,0),new Ci(0,0,1),new Ci(0,0,-1)]}updateMatrices(e,t=0){const i=this.camera,n=this.matrix,r=e.distance||i.far;r!==i.far&&(i.far=r,i.updateProjectionMatrix()),Va.setFromMatrixPosition(e.matrixWorld),i.position.copy(Va),Wa.copy(i.position),Wa.add(this._cubeDirections[t]),i.up.copy(this._cubeUps[t]),i.lookAt(Wa),i.updateMatrixWorld(),n.makeTranslation(-Va.x,-Va.y,-Va.z),za.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse),this._frustum.setFromProjectionMatrix(za)}}class ja extends Fa{constructor(e,t,i=0,n=2){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=n,this.shadow=new qa}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}class Xa extends Fr{constructor(e=-1,t=1,i=1,n=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=i,this.bottom=n,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(e,t){return super.copy(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(e,t,i,n,r,s){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=i,this.view.offsetY=n,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,n=(this.top+this.bottom)/2;let r=i-e,s=i+e,a=n+t,o=n-t;if(null!==this.view&&this.view.enabled){const e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=e*this.view.offsetX,s=r+e*this.view.width,a-=t*this.view.offsetY,o=a-t*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}class Ya extends Oa{constructor(){super(new Xa(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Ka extends Fa{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Tn.DEFAULT_UP),this.updateMatrix(),this.target=new Tn,this.shadow=new Ya}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}class Ja{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new Ci)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){const i=e.x,n=e.y,r=e.z,s=this.coefficients;return t.copy(s[0]).multiplyScalar(.282095),t.addScaledVector(s[1],.488603*n),t.addScaledVector(s[2],.488603*r),t.addScaledVector(s[3],.488603*i),t.addScaledVector(s[4],i*n*1.092548),t.addScaledVector(s[5],n*r*1.092548),t.addScaledVector(s[6],.315392*(3*r*r-1)),t.addScaledVector(s[7],i*r*1.092548),t.addScaledVector(s[8],.546274*(i*i-n*n)),t}getIrradianceAt(e,t){const i=e.x,n=e.y,r=e.z,s=this.coefficients;return t.copy(s[0]).multiplyScalar(.886227),t.addScaledVector(s[1],1.023328*n),t.addScaledVector(s[2],1.023328*r),t.addScaledVector(s[3],1.023328*i),t.addScaledVector(s[4],.858086*i*n),t.addScaledVector(s[5],.858086*n*r),t.addScaledVector(s[6],.743125*r*r-.247708),t.addScaledVector(s[7],.858086*i*r),t.addScaledVector(s[8],.429043*(i*i-n*n)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(e.coefficients[i],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let i=0;i<9;i++)this.coefficients[i].lerp(e.coefficients[i],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(e,t=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].fromArray(e,t+3*n);return this}toArray(e=[],t=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].toArray(e,t+3*n);return e}static getBasisAt(e,t){const i=e.x,n=e.y,r=e.z;t[0]=.282095,t[1]=.488603*n,t[2]=.488603*r,t[3]=.488603*i,t[4]=1.092548*i*n,t[5]=1.092548*n*r,t[6]=.315392*(3*r*r-1),t[7]=1.092548*i*r,t[8]=.546274*(i*i-n*n)}}class $a extends Fa{constructor(e=new Ja,t=1){super(void 0,t),this.isLightProbe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromJSON(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}toJSON(e){const t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}class Za{static decodeText(e){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,n=e.length;i<n;i++)t+=String.fromCharCode(e[i]);try{return decodeURIComponent(escape(t))}catch(e){return t}}static extractUrlBase(e){const t=e.lastIndexOf("/");return-1===t?"./":e.slice(0,t+1)}static resolveURL(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)}}class eo extends Ta{constructor(e){super(e),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,i,n){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,s=wa.get(e);if(void 0!==s)return r.manager.itemStart(e),s.then?void s.then((i=>{t&&t(i),r.manager.itemEnd(e)})).catch((e=>{n&&n(e)})):(setTimeout((function(){t&&t(s),r.manager.itemEnd(e)}),0),s);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader;const o=fetch(e,a).then((function(e){return e.blob()})).then((function(e){return createImageBitmap(e,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(i){return wa.add(e,i),t&&t(i),r.manager.itemEnd(e),i})).catch((function(t){n&&n(t),wa.remove(e),r.manager.itemError(e),r.manager.itemEnd(e)}));wa.add(e,o),r.manager.itemStart(e)}}class to extends Or{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e,this.index=0}}class io{constructor(e,t,i){let n,r,s;switch(this.binding=e,this.valueSize=i,t){case"quaternion":n=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":n=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:n=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=n,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){const i=this.buffer,n=this.valueSize,r=e*n+n;let s=this.cumulativeWeight;if(0===s){for(let e=0;e!==n;++e)i[r+e]=i[e];s=t}else{s+=t;const e=t/s;this._mixBufferRegion(i,r,0,e,n)}this.cumulativeWeight=s}accumulateAdditive(e){const t=this.buffer,i=this.valueSize,n=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(t,n,0,e,i),this.cumulativeWeightAdditive+=e}apply(e){const t=this.valueSize,i=this.buffer,n=e*t+t,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const e=t*this._origIndex;this._mixBufferRegion(i,n,e,1-r,t)}s>0&&this._mixBufferRegionAdditive(i,n,this._addIndex*t,1,t);for(let e=t,r=t+t;e!==r;++e)if(i[e]!==i[e+t]){a.setValue(i,n);break}}saveOriginalState(){const e=this.binding,t=this.buffer,i=this.valueSize,n=i*this._origIndex;e.getValue(t,n);for(let e=i,r=n;e!==r;++e)t[e]=t[n+e%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const e=3*this.valueSize;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){const e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let i=e;i<t;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[t+i]=this.buffer[e+i]}_select(e,t,i,n,r){if(n>=.5)for(let n=0;n!==r;++n)e[t+n]=e[i+n]}_slerp(e,t,i,n){Si.slerpFlat(e,t,e,t,e,i,n)}_slerpAdditive(e,t,i,n,r){const s=this._workIndex*r;Si.multiplyQuaternionsFlat(e,s,e,t,e,i),Si.slerpFlat(e,t,e,t,e,s,n)}_lerp(e,t,i,n,r){const s=1-n;for(let a=0;a!==r;++a){const r=t+a;e[r]=e[r]*s+e[i+a]*n}}_lerpAdditive(e,t,i,n,r){for(let s=0;s!==r;++s){const r=t+s;e[r]=e[r]+e[i+s]*n}}}const no="\\[\\]\\.:\\/",ro=new RegExp("["+no+"]","g"),so="[^"+no+"]",ao="[^"+no.replace("\\.","")+"]",oo=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",so)+/(WCOD+)?/.source.replace("WCOD",ao)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",so)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",so)+"$"),lo=["material","materials","bones","map"];class co{constructor(e,t,i){this.path=t,this.parsedPath=i||co.parseTrackName(t),this.node=co.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,i){return e&&e.isAnimationObjectGroup?new co.Composite(e,t,i):new co(e,t,i)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(ro,"")}static parseTrackName(e){const t=oo.exec(e);if(null===t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const i={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==n&&-1!==n){const e=i.nodeName.substring(n+1);-1!==lo.indexOf(e)&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=e)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return i}static findNode(e,t){if(void 0===t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){const i=e.skeleton.getBoneByName(t);if(void 0!==i)return i}if(e.children){const i=function(e){for(let n=0;n<e.length;n++){const r=e[n];if(r.name===t||r.uuid===t)return r;const s=i(r.children);if(s)return s}return null},n=i(e.children);if(n)return n}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)e[t++]=i[n]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node;const t=this.parsedPath,i=t.objectName,n=t.propertyName;let r=t.propertyIndex;if(e||(e=co.findNode(this.rootNode,t.nodeName),this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e)return void console.warn("THREE.PropertyBinding: No target node found for track: "+this.path+".");if(i){let n=t.objectIndex;switch(i){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);e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===n){n=t;break}break;case"map":if("map"in e){e=e.map;break}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.map)return void console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);e=e.material.map;break;default:if(void 0===e[i])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);e=e[i]}if(void 0!==n){if(void 0===e[n])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);e=e[n]}}const s=e[n];if(void 0===s){const i=t.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+i+"."+n+" but it wasn't found.",e)}let a=this.Versioning.None;this.targetObject=e,!0===e.isMaterial?a=this.Versioning.NeedsUpdate:!0===e.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===n){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.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])}o=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=n;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}co.Composite=class{constructor(e,t,i){const n=i||co.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();const i=this._targetGroup.nCachedObjects_,n=this._bindings[i];void 0!==n&&n.getValue(e,t)}setValue(e,t){const i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,r=i.length;n!==r;++n)i[n].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].unbind()}},co.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},co.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},co.prototype.GetterByBindingType=[co.prototype._getValue_direct,co.prototype._getValue_array,co.prototype._getValue_arrayElement,co.prototype._getValue_toArray],co.prototype.SetterByBindingTypeAndVersioning=[[co.prototype._setValue_direct,co.prototype._setValue_direct_setNeedsUpdate,co.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[co.prototype._setValue_array,co.prototype._setValue_array_setNeedsUpdate,co.prototype._setValue_array_setMatrixWorldNeedsUpdate],[co.prototype._setValue_arrayElement,co.prototype._setValue_arrayElement_setNeedsUpdate,co.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[co.prototype._setValue_fromArray,co.prototype._setValue_fromArray_setNeedsUpdate,co.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class ho{constructor(e,t,i=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=i,this.blendMode=n;const r=t.tracks,s=r.length,a=new Array(s),o={endingStart:bt,endingEnd:bt};for(let e=0;e!==s;++e){const t=r[e].createInterpolant(null);a[e]=t,t.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=pt,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}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,i){if(e.fadeOut(t),this.fadeIn(t),i){const i=this._clip.duration,n=e._clip.duration,r=n/i,s=i/n;e.warp(1,r,t),this.warp(s,1,t)}return this}crossFadeTo(e,t,i){return e.crossFadeFrom(this,t,i)}stopFading(){const e=this._weightInterpolant;return null!==e&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,i){const n=this._mixer,r=n.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=n._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+i,l[0]=e/s,l[1]=t/s,this}stopWarping(){const e=this._timeScaleInterpolant;return null!==e&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,i,n){if(!this.enabled)return void this._updateWeight(e);const r=this._startTime;if(null!==r){const n=(e-r)*i;n<0||0===i?t=0:(this._startTime=null,t=i*n)}t*=this._updateTimeScale(e);const s=this._updateTime(t),a=this._updateWeight(e);if(a>0){const e=this._interpolants,t=this._propertyBindings;if(2501===this.blendMode)for(let i=0,n=e.length;i!==n;++i)e[i].evaluate(s),t[i].accumulateAdditive(a);else for(let i=0,r=e.length;i!==r;++i)e[i].evaluate(s),t[i].accumulate(n,a)}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;const i=this._weightInterpolant;if(null!==i){const n=i.evaluate(e)[0];t*=n,e>i.parameterPositions[1]&&(this.stopFading(),0===n&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){t*=i.evaluate(e)[0],e>i.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t)}}return this._effectiveTimeScale=t,t}_updateTime(e){const t=this._clip.duration,i=this.loop;let n=this.time+e,r=this._loopCount;const s=i===At;if(0===e)return-1===r||!s||1&~r?n:t-n;if(i===dt){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(n>=t)n=t;else{if(!(n<0)){this.time=n;break e}n=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===r&&(e>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),n>=t||n<0){const i=Math.floor(n/t);n-=t*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=e>0?t:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===a){const t=e<0;this._setEndings(t,!t,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=n;if(s&&!(1&~r))return t-n}return n}_setEndings(e,t,i){const n=this._interpolantSettings;i?(n.endingStart=vt,n.endingEnd=vt):(n.endingStart=e?this.zeroSlopeAtStart?vt:bt:yt,n.endingEnd=t?this.zeroSlopeAtEnd?vt:bt:yt)}_scheduleFading(e,t,i){const n=this._mixer,r=n.time;let s=this._weightInterpolant;null===s&&(s=n._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=t,a[1]=r+e,o[1]=i,this}}const uo=new Float32Array(1);class po extends Ot{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){const i=e._localRoot||this._root,n=e._clip.tracks,r=n.length,s=e._propertyBindings,a=e._interpolants,o=i.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let e=0;e!==r;++e){const r=n[e],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[e]=h;else{if(h=s[e],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const n=t&&t._propertyBindings[e].binding.parsedPath;h=new io(co.create(i,l,n),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[e]=h}a[e].resultBuffer=h.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){const t=(e._localRoot||this._root).uuid,i=e._clip.uuid,n=this._actionsByClip[i];this._bindAction(e,n&&n.knownActions[0]),this._addInactiveAction(e,i,t)}const t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){const i=t[e];0==i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){const t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){const i=t[e];0==--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const 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(e){const t=e._cacheIndex;return null!==t&&t<this._nActiveActions}_addInactiveAction(e,t,i){const n=this._actions,r=this._actionsByClip;let s=r[t];if(void 0===s)s={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,r[t]=s;else{const t=s.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=n.length,n.push(e),s.actionByRoot[i]=e}_removeInactiveAction(e){const t=this._actions,i=t[t.length-1],n=e._cacheIndex;i._cacheIndex=n,t[n]=i,t.pop(),e._cacheIndex=null;const r=e._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],c=e._byClipCacheIndex;l._byClipCacheIndex=c,o[c]=l,o.pop(),e._byClipCacheIndex=null;delete a.actionByRoot[(e._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){const t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){const i=t[e];0==--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(e){const t=this._actions,i=e._cacheIndex,n=this._nActiveActions++,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_takeBackAction(e){const t=this._actions,i=e._cacheIndex,n=--this._nActiveActions,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_addInactiveBinding(e,t,i){const n=this._bindingsByRootAndName,r=this._bindings;let s=n[t];void 0===s&&(s={},n[t]=s),s[i]=e,e._cacheIndex=r.length,r.push(e)}_removeInactiveBinding(e){const t=this._bindings,i=e.binding,n=i.rootNode.uuid,r=i.path,s=this._bindingsByRootAndName,a=s[n],o=t[t.length-1],l=e._cacheIndex;o._cacheIndex=l,t[l]=o,t.pop(),delete a[r],0===Object.keys(a).length&&delete s[n]}_lendBinding(e){const t=this._bindings,i=e._cacheIndex,n=this._nActiveBindings++,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_takeBackBinding(e){const t=this._bindings,i=e._cacheIndex,n=--this._nActiveBindings,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_lendControlInterpolant(){const e=this._controlInterpolants,t=this._nActiveControlInterpolants++;let i=e[t];return void 0===i&&(i=new Aa(new Float32Array(2),new Float32Array(2),1,uo),i.__cacheIndex=t,e[t]=i),i}_takeBackControlInterpolant(e){const t=this._controlInterpolants,i=e.__cacheIndex,n=--this._nActiveControlInterpolants,r=t[n];e.__cacheIndex=n,t[n]=e,r.__cacheIndex=i,t[i]=r}clipAction(e,t,i){const n=t||this._root,r=n.uuid;let s="string"==typeof e?Sa.findByName(n,e):e;const a=null!==s?s.uuid:e,o=this._actionsByClip[a];let l=null;if(void 0===i&&(i=null!==s?s.blendMode:_t),void 0!==o){const e=o.actionByRoot[r];if(void 0!==e&&e.blendMode===i)return e;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const c=new ho(this,s,t,i);return this._bindAction(c,l),this._addInactiveAction(c,a,r),c}existingAction(e,t){const i=t||this._root,n=i.uuid,r="string"==typeof e?Sa.findByName(i,e):e,s=r?r.uuid:e,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[n]||null}stopAllAction(){const e=this._actions;for(let t=this._nActiveActions-1;t>=0;--t)e[t].stop();return this}update(e){e*=this.timeScale;const t=this._actions,i=this._nActiveActions,n=this.time+=e,r=Math.sign(e),s=this._accuIndex^=1;for(let a=0;a!==i;++a){t[a]._update(n,e,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let e=0;e!==o;++e)a[e].apply(s);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){const t=this._actions,i=e.uuid,n=this._actionsByClip,r=n[i];if(void 0!==r){const e=r.knownActions;for(let i=0,n=e.length;i!==n;++i){const n=e[i];this._deactivateAction(n);const r=n._cacheIndex,s=t[t.length-1];n._cacheIndex=null,n._byClipCacheIndex=null,s._cacheIndex=r,t[r]=s,t.pop(),this._removeInactiveBindingsForAction(n)}delete n[i]}}uncacheRoot(e){const t=e.uuid,i=this._actionsByClip;for(const e in i){const n=i[e].actionByRoot[t];void 0!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}const n=this._bindingsByRootAndName[t];if(void 0!==n)for(const e in n){const t=n[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){const i=this.existingAction(e,t);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}const Ao=new tn;function mo(e,t){return e.distance-t.distance}function go(e,t,i,n){let r=!0;if(e.layers.test(t.layers)){!1===e.raycast(t,i)&&(r=!1)}if(!0===r&&!0===n){const n=e.children;for(let e=0,r=n.length;e<r;e++)go(n[e],t,i,!0)}}class fo{constructor(e=1,t=0,i=0){this.radius=e,this.phi=t,this.theta=i}set(e,t,i){return this.radius=e,this.phi=t,this.theta=i,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){const e=1e-6;return this.phi=qt(this.phi,e,Math.PI-e),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,i){return this.radius=Math.sqrt(e*e+t*t+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,i),this.phi=Math.acos(qt(t/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}function bo(e,t,i,n){const r=function(e){switch(e){case me:case ge:return{byteLength:1,components:1};case be:case fe:case Ee:return{byteLength:2,components:1};case xe:case Se:return{byteLength:2,components:4};case ye:case ve:case _e:return{byteLength:4,components:1};case we:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${e}.`)}(n);switch(i){case 1021:case 1024:return e*t;case 1025:return e*t*2;case Be:case Re:return e*t/r.components*r.byteLength;case De:case Le:return e*t*2/r.components*r.byteLength;case 1022:return e*t*3/r.components*r.byteLength;case Ie:case Ue:return e*t*4/r.components*r.byteLength;case Pe:case Fe:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*8;case Ne:case Qe:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*16;case Oe:case He:return Math.max(e,16)*Math.max(t,8)/4;case ke:case Ge:return Math.max(e,8)*Math.max(t,8)/2;case ze:case Ve:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*8;case We:case qe:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*16;case je:return Math.floor((e+4)/5)*Math.floor((t+3)/4)*16;case Xe:return Math.floor((e+4)/5)*Math.floor((t+4)/5)*16;case Ye:return Math.floor((e+5)/6)*Math.floor((t+4)/5)*16;case Ke:return Math.floor((e+5)/6)*Math.floor((t+5)/6)*16;case Je:return Math.floor((e+7)/8)*Math.floor((t+4)/5)*16;case $e:return Math.floor((e+7)/8)*Math.floor((t+5)/6)*16;case Ze:return Math.floor((e+7)/8)*Math.floor((t+7)/8)*16;case et:return Math.floor((e+9)/10)*Math.floor((t+4)/5)*16;case tt:return Math.floor((e+9)/10)*Math.floor((t+5)/6)*16;case it:return Math.floor((e+9)/10)*Math.floor((t+7)/8)*16;case nt:return Math.floor((e+9)/10)*Math.floor((t+9)/10)*16;case rt:return Math.floor((e+11)/12)*Math.floor((t+9)/10)*16;case st:return Math.floor((e+11)/12)*Math.floor((t+11)/12)*16;case at:case ot:case lt:return Math.ceil(e/4)*Math.ceil(t/4)*16;case 36283:case ct:return Math.ceil(e/4)*Math.ceil(t/4)*8;case ht:case ut:return Math.ceil(e/4)*Math.ceil(t/4)*16}throw new Error(`Unable to determine texture byte length for ${i} format.`)}
    23. 

  23. /**
    24. 

  24.  * @license
    25. 

  25.  * Copyright 2010-2025 Three.js Authors
    26. 

  26.  * SPDX-License-Identifier: MIT
    27. 

  27.  */
    28. 

  28. function vo(){let e=null,t=!1,i=null,n=null;function r(t,s){i(t,s),n=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==i&&(n=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(n),t=!1},setAnimationLoop:function(e){i=e},setContext:function(t){e=t}}}function yo(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(i){i.isInterleavedBufferAttribute&&(i=i.data);const n=t.get(i);n&&(e.deleteBuffer(n.buffer),t.delete(i))},update:function(i,n){if(i.isInterleavedBufferAttribute&&(i=i.data),i.isGLBufferAttribute){const e=t.get(i);return void((!e||e.version<i.version)&&t.set(i,{buffer:i.buffer,type:i.type,bytesPerElement:i.elementSize,version:i.version}))}const r=t.get(i);if(void 0===r)t.set(i,function(t,i){const n=t.array,r=t.usage,s=n.byteLength,a=e.createBuffer();let o;if(e.bindBuffer(i,a),e.bufferData(i,n,r),t.onUploadCallback(),n instanceof Float32Array)o=e.FLOAT;else if(n instanceof Uint16Array)o=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(n instanceof Int16Array)o=e.SHORT;else if(n instanceof Uint32Array)o=e.UNSIGNED_INT;else if(n instanceof Int32Array)o=e.INT;else if(n instanceof Int8Array)o=e.BYTE;else if(n instanceof Uint8Array)o=e.UNSIGNED_BYTE;else{if(!(n instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+n);o=e.UNSIGNED_BYTE}return{buffer:a,type:o,bytesPerElement:n.BYTES_PER_ELEMENT,version:t.version,size:s}}(i,n));else if(r.version<i.version){if(r.size!==i.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(t,i,n){const r=i.array,s=i.updateRanges;if(e.bindBuffer(n,t),0===s.length)e.bufferSubData(n,0,r);else{s.sort(((e,t)=>e.start-t.start));let t=0;for(let e=1;e<s.length;e++){const i=s[t],n=s[e];n.start<=i.start+i.count+1?i.count=Math.max(i.count,n.start+n.count-i.start):(++t,s[t]=n)}s.length=t+1;for(let t=0,i=s.length;t<i;t++){const i=s[t];e.bufferSubData(n,i.start*r.BYTES_PER_ELEMENT,r,i.start,i.count)}i.clearUpdateRanges()}i.onUploadCallback()}(r.buffer,i,n),r.version=i.version}}}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:S}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=S);const _o={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n\t#if ! defined( GL_ANGLE_multi_draw )\n\t#define gl_DrawID _gl_DrawID\n\tuniform int _gl_DrawID;\n\t#endif\n\tuniform highp sampler2D batchingTexture;\n\tuniform highp usampler2D batchingIdTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n\tfloat getIndirectIndex( const in int i ) {\n\t\tint size = textureSize( batchingIdTexture, 0 ).x;\n\t\tint x = i % size;\n\t\tint y = i / size;\n\t\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n\t}\n#endif\n#ifdef USE_BATCHING_COLOR\n\tuniform sampler2D batchingColorTexture;\n\tvec3 getBatchingColor( const in float i ) {\n\t\tint size = textureSize( batchingColorTexture, 0 ).x;\n\t\tint j = int( i );\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float 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_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\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( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\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 ) * faceDirection;\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#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\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:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );\n\tvColor.xyz *= batchingColor.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; }\nvec3 pow2( const in vec3 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 max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\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 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};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\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}\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}\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}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\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\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\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\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_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 ), cubeUV_m0, CUBEUV_MAX_MIP );\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_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 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, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( 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 sRGBTransferOETF( 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}",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, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\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 mat3 envMapRotation;\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 ) || defined( LAMBERT )\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 ) || defined( LAMBERT )\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:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\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\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\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 vFogDepth;\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 vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\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 vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\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}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\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 getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.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 getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.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 getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.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 vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",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;\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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).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_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_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}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * 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}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\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\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\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.roughness;\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 vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += 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:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\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\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\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\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, 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\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\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 ], geometryNormal );\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, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\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\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\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, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).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 * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#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",normal_pars_vertex:"#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",normal_vertex:"#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",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",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.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in 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( const in 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 depth, const in float near, const in float far ) {\n\treturn depth * ( 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 depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - 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_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\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, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#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 shadowIntensity;\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\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\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 shadowIntensity;\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 shadowIntensity, 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\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\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 mix( 1.0, shadow, shadowIntensity );\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 shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\t\n\t\tfloat lightToPositionLength = length( lightToPosition );\n\t\tif ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t\t) * ( 1.0 / 9.0 );\n\t\t\t#else\n\t\t\t\tshadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t\t#endif\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#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 shadowIntensity;\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\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\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 shadowIntensity;\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:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\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.shadowIntensity, 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.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ 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.shadowIntensity, 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\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\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, vSpecularMapUv );\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 saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( 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}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",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}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_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}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\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 <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_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}",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 <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\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 <alphahash_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#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\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 <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_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}",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 <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\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}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\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 <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_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}",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 <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\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 <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\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\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <normal_vertex>\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}",meshlambert_frag:"#define LAMBERT\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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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_lambert_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\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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 <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <normal_vertex>\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}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\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 <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_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 <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\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( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_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\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\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 ), diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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 <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\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}",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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <normal_vertex>\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#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\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 <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\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 <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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 <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 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_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 <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_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 <normal_vertex>\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}",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 <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_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 <normal_pars_fragment>\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\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\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 <alphahash_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\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_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>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_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}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_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 <worldpos_vertex>\n\t#include <shadowmap_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 <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_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[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\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 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r;if(!0===t.has("EXT_texture_filter_anisotropic")){const i=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(i.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:s,textureFormatReadable:function(t){return t===Ie||n.convert(t)===e.getParameter(e.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(i){const 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i=e.target;i.removeEventListener("dispose",n);const r=t.get(i);void 0!==r&&(t.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping;if(s===re||304===s){if(t.has(r)){return i(t.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new Vr(s.height);return a.fromEquirectangularTexture(e,r),t.set(r,a),r.addEventListener("dispose",n),i(a.texture,r.mapping)}return null}}}return r},dispose:function(){t=new WeakMap}}}const Lo=[.125,.215,.35,.446,.526,.582],Uo=20,Po=new Xa,Fo=new Xn;let No=null,Qo=0,ko=0,Oo=!1;const Go=(1+Math.sqrt(5))/2,Ho=1/Go,zo=[new Ci(-Go,Ho,0),new Ci(Go,Ho,0),new Ci(-Ho,0,Go),new Ci(Ho,0,Go),new Ci(0,Go,-Ho),new Ci(0,Go,Ho),new Ci(-1,1,-1),new Ci(1,1,-1),new Ci(-1,1,1),new Ci(1,1,1)],Vo=new Ci;class Wo{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,i=.1,n=100,r={}){const{size:s=256,position:a=Vo}=r;No=this._renderer.getRenderTarget(),Qo=this._renderer.getActiveCubeFace(),ko=this._renderer.getActiveMipmapLevel(),Oo=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(s);const o=this._allocateTargets();return o.depthBuffer=!0,this._sceneToCubeUV(e,i,n,o,a),t>0&&this._blur(o,0,0,t),this._applyPMREM(o),this._cleanup(o),o}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Yo(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Xo(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(No,Qo,ko),this._renderer.xr.enabled=Oo,e.scissorTest=!1,jo(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===ie||e.mapping===ne?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),No=this._renderer.getRenderTarget(),Qo=this._renderer.getActiveCubeFace(),ko=this._renderer.getActiveMipmapLevel(),Oo=this._renderer.xr.enabled,this._renderer.xr.enabled=!1;const i=t||this._allocateTargets();return this._textureToCubeUV(e,i),this._applyPMREM(i),this._cleanup(i),i}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,i={magFilter:de,minFilter:de,generateMipmaps:!1,type:Ee,format:Ie,colorSpace:St,depthBuffer:!1},n=qo(e,t,i);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=qo(e,t,i);const{_lodMax:n}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(e){const t=[],i=[],n=[];let r=e;const s=e-4+1+Lo.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);i.push(s);let o=1/s;a>e-4?o=Lo[a-e+4-1]:0===a&&(o=0),n.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,A=3,m=2,g=1,f=new Float32Array(A*p*d),b=new Float32Array(m*p*d),v=new Float32Array(g*p*d);for(let e=0;e<d;e++){const t=e%3*2/3-1,i=e>2?0:-1,n=[t,i,0,t+2/3,i,0,t+2/3,i+1,0,t,i,0,t+2/3,i+1,0,t,i+1,0];f.set(n,A*p*e),b.set(u,m*p*e);const r=[e,e,e,e,e,e];v.set(r,g*p*e)}const y=new gr;y.setAttribute("position",new sr(f,A)),y.setAttribute("uv",new sr(b,m)),y.setAttribute("faceIndex",new sr(v,g)),t.push(y),r>4&&r--}return{lodPlanes:t,sizeLods:i,sigmas:n}}(n)),this._blurMaterial=function(e,t,i){const n=new Float32Array(Uo),r=new Ci(0,1,0),s=new Pr({name:"SphericalGaussianBlur",defines:{n:Uo,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/i,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Ko(),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#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}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return s}(n,e,t)}return n}_compileMaterial(e){const t=new Mr(this._lodPlanes[0],e);this._renderer.compile(t,Po)}_sceneToCubeUV(e,t,i,n,r){const s=new Or(90,1,t,i),a=[1,-1,1,1,1,1],o=[1,1,1,-1,-1,-1],l=this._renderer,c=l.autoClear,h=l.toneMapping;l.getClearColor(Fo),l.toneMapping=0,l.autoClear=!1;const u=new $n({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),d=new Mr(new Br,u);let p=!1;const A=e.background;A?A.isColor&&(u.color.copy(A),e.background=null,p=!0):(u.color.copy(Fo),p=!0);for(let t=0;t<6;t++){const i=t%3;0===i?(s.up.set(0,a[t],0),s.position.set(r.x,r.y,r.z),s.lookAt(r.x+o[t],r.y,r.z)):1===i?(s.up.set(0,0,a[t]),s.position.set(r.x,r.y,r.z),s.lookAt(r.x,r.y+o[t],r.z)):(s.up.set(0,a[t],0),s.position.set(r.x,r.y,r.z),s.lookAt(r.x,r.y,r.z+o[t]));const c=this._cubeSize;jo(n,i*c,t>2?c:0,c,c),l.setRenderTarget(n),p&&l.render(d,s),l.render(e,s)}d.geometry.dispose(),d.material.dispose(),l.toneMapping=h,l.autoClear=c,e.background=A}_textureToCubeUV(e,t){const i=this._renderer,n=e.mapping===ie||e.mapping===ne;n?(null===this._cubemapMaterial&&(this._cubemapMaterial=Yo()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Xo());const r=n?this._cubemapMaterial:this._equirectMaterial,s=new Mr(this._lodPlanes[0],r);r.uniforms.envMap.value=e;const a=this._cubeSize;jo(t,0,0,3*a,2*a),i.setRenderTarget(t),i.render(s,Po)}_applyPMREM(e){const t=this._renderer,i=t.autoClear;t.autoClear=!1;const n=this._lodPlanes.length;for(let t=1;t<n;t++){const i=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),r=zo[(n-t-1)%zo.length];this._blur(e,t-1,t,i,r)}t.autoClear=i}_blur(e,t,i,n,r){const s=this._pingPongRenderTarget;this._halfBlur(e,s,t,i,n,"latitudinal",r),this._halfBlur(s,e,i,i,n,"longitudinal",r)}_halfBlur(e,t,i,n,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Mr(this._lodPlanes[n],l),h=l.uniforms,u=this._sizeLods[i]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/d,A=isFinite(r)?1+Math.floor(3*p):Uo;A>Uo&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${A} samples when the maximum is set to 20`);const m=[];let g=0;for(let e=0;e<Uo;++e){const t=e/p,i=Math.exp(-t*t/2);m.push(i),0===e?g+=i:e<A&&(g+=2*i)}for(let e=0;e<m.length;e++)m[e]=m[e]/g;h.envMap.value=e.texture,h.samples.value=A,h.weights.value=m,h.latitudinal.value="latitudinal"===s,a&&(h.poleAxis.value=a);const{_lodMax:f}=this;h.dTheta.value=d,h.mipInt.value=f-i;const b=this._sizeLods[n];jo(t,3*b*(n>f-4?n-f+4:0),4*(this._cubeSize-b),3*b,2*b),o.setRenderTarget(t),o.render(c,Po)}}function qo(e,t,i){const n=new _i(e,t,i);return n.texture.mapping=se,n.texture.name="PMREM.cubeUv",n.scissorTest=!0,n}function jo(e,t,i,n,r){e.viewport.set(t,i,n,r),e.scissor.set(t,i,n,r)}function Xo(){return new Pr({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Ko(),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\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Yo(){return new Pr({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Ko(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Ko(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\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 Jo(e){let t=new WeakMap,i=null;function n(e){const i=e.target;i.removeEventListener("dispose",n);const r=t.get(i);void 0!==r&&(t.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){const s=r.mapping,a=s===re||304===s,o=s===ie||s===ne;if(a||o){let s=t.get(r);const l=void 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be={shaderID:x,shaderType:s.type,shaderName:s.name,vertexShader:w,fragmentShader:I,defines:s.defines,customVertexShaderID:M,customFragmentShaderID:T,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:p,batching:U,batchingColor:U&&null!==f._colorsTexture,instancing:L,instancingColor:L&&null!==f.instanceColor,instancingMorph:L&&null!==f.morphTexture,supportsVertexTextures:d,outputColorSpace:null===R?e.outputColorSpace:!0===R.isXRRenderTarget?R.texture.colorSpace:St,alphaToCoverage:!!s.alphaToCoverage,map:P,matcap:F,envMap:N,envMapMode:N&&_.mapping,envMapCubeUVHeight:E,aoMap:Q,lightMap:k,bumpMap:O,normalMap:G,displacementMap:d&&H,emissiveMap:z,normalMapObjectSpace:G&&1===s.normalMapType,normalMapTangentSpace:G&&0===s.normalMapType,metalnessMap:V,roughnessMap:W,anisotropy:q,anisotropyMap:$,clearcoat:j,clearcoatMap:Z,clearcoatNormalMap:ee,clearcoatRoughnessMap:te,dispersion:X,iridescence:Y,iridescenceMap:ie,iridescenceThicknessMap:ne,sheen:K,sheenColorMap:re,sheenRoughnessMap:ae,specularMap:oe,specularColorMap:le,specularIntensityMap:ce,transmission:J,transmissionMap:he,thicknessMap:ue,gradientMap:de,opaque:!1===s.transparent&&1===s.blending&&!1===s.alphaToCoverage,alphaMap:pe,alphaTest:Ae,alphaHash:me,combine:s.combine,mapUv:P&&m(s.map.channel),aoMapUv:Q&&m(s.aoMap.channel),lightMapUv:k&&m(s.lightMap.channel),bumpMapUv:O&&m(s.bumpMap.channel),normalMapUv:G&&m(s.normalMap.channel),displacementMapUv:H&&m(s.displacementMap.channel),emissiveMapUv:z&&m(s.emissiveMap.channel),metalnessMapUv:V&&m(s.metalnessMap.channel),roughnessMapUv:W&&m(s.roughnessMap.channel),anisotropyMapUv:$&&m(s.anisotropyMap.channel),clearcoatMapUv:Z&&m(s.clearcoatMap.channel),clearcoatNormalMapUv:ee&&m(s.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:te&&m(s.clearcoatRoughnessMap.channel),iridescenceMapUv:ie&&m(s.iridescenceMap.channel),iridescenceThicknessMapUv:ne&&m(s.iridescenceThicknessMap.channel),sheenColorMapUv:re&&m(s.sheenColorMap.channel),sheenRoughnessMapUv:ae&&m(s.sheenRoughnessMap.channel),specularMapUv:oe&&m(s.specularMap.channel),specularColorMapUv:le&&m(s.specularColorMap.channel),specularIntensityMapUv:ce&&m(s.specularIntensityMap.channel),transmissionMapUv:he&&m(s.transmissionMap.channel),thicknessMapUv:ue&&m(s.thicknessMap.channel),alphaMapUv:pe&&m(s.alphaMap.channel),vertexTangents:!!v.attributes.tangent&&(G||q),vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!v.attributes.color&&4===v.attributes.color.itemSize,pointsUvs:!0===f.isPoints&&!!v.attributes.uv&&(P||pe),fog:!!b,useFog:!0===s.fog,fogExp2:!!b&&b.isFogExp2,flatShading:!0===s.flatShading,sizeAttenuation:!0===s.sizeAttenuation,logarithmicDepthBuffer:u,reverseDepthBuffer:D,skinning:!0===f.isSkinnedMesh,morphTargets:void 0!==v.morphAttributes.position,morphNormals:void 0!==v.morphAttributes.normal,morphColors:void 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be.vertexUv1s=c.has(1),be.vertexUv2s=c.has(2),be.vertexUv3s=c.has(3),c.clear(),be},getProgramCacheKey:function(t){const i=[];if(t.shaderID?i.push(t.shaderID):(i.push(t.customVertexShaderID),i.push(t.customFragmentShaderID)),void 0!==t.defines)for(const e in t.defines)i.push(e),i.push(t.defines[e]);return!1===t.isRawShaderMaterial&&(!function(e,t){e.push(t.precision),e.push(t.outputColorSpace),e.push(t.envMapMode),e.push(t.envMapCubeUVHeight),e.push(t.mapUv),e.push(t.alphaMapUv),e.push(t.lightMapUv),e.push(t.aoMapUv),e.push(t.bumpMapUv),e.push(t.normalMapUv),e.push(t.displacementMapUv),e.push(t.emissiveMapUv),e.push(t.metalnessMapUv),e.push(t.roughnessMapUv),e.push(t.anisotropyMapUv),e.push(t.clearcoatMapUv),e.push(t.clearcoatNormalMapUv),e.push(t.clearcoatRoughnessMapUv),e.push(t.iridescenceMapUv),e.push(t.iridescenceThicknessMapUv),e.push(t.sheenColorMapUv),e.push(t.sheenRoughnessMapUv),e.push(t.specularMapUv),e.push(t.specularColorMapUv),e.push(t.specularIntensityMapUv),e.push(t.transmissionMapUv),e.push(t.thicknessMapUv),e.push(t.combine),e.push(t.fogExp2),e.push(t.sizeAttenuation),e.push(t.morphTargetsCount),e.push(t.morphAttributeCount),e.push(t.numDirLights),e.push(t.numPointLights),e.push(t.numSpotLights),e.push(t.numSpotLightMaps),e.push(t.numHemiLights),e.push(t.numRectAreaLights),e.push(t.numDirLightShadows),e.push(t.numPointLightShadows),e.push(t.numSpotLightShadows),e.push(t.numSpotLightShadowsWithMaps),e.push(t.numLightProbes),e.push(t.shadowMapType),e.push(t.toneMapping),e.push(t.numClippingPlanes),e.push(t.numClipIntersection),e.push(t.depthPacking)}(i,t),function(e,t){o.disableAll(),t.supportsVertexTextures&&o.enable(0);t.instancing&&o.enable(1);t.instancingColor&&o.enable(2);t.instancingMorph&&o.enable(3);t.matcap&&o.enable(4);t.envMap&&o.enable(5);t.normalMapObjectSpace&&o.enable(6);t.normalMapTangentSpace&&o.enable(7);t.clearcoat&&o.enable(8);t.iridescence&&o.enable(9);t.alphaTest&&o.enable(10);t.vertexColors&&o.enable(11);t.vertexAlphas&&o.enable(12);t.vertexUv1s&&o.enable(13);t.vertexUv2s&&o.enable(14);t.vertexUv3s&&o.enable(15);t.vertexTangents&&o.enable(16);t.anisotropy&&o.enable(17);t.alphaHash&&o.enable(18);t.batching&&o.enable(19);t.dispersion&&o.enable(20);t.batchingColor&&o.enable(21);e.push(o.mask),o.disableAll(),t.fog&&o.enable(0);t.useFog&&o.enable(1);t.flatShading&&o.enable(2);t.logarithmicDepthBuffer&&o.enable(3);t.reverseDepthBuffer&&o.enable(4);t.skinning&&o.enable(5);t.morphTargets&&o.enable(6);t.morphNormals&&o.enable(7);t.morphColors&&o.enable(8);t.premultipliedAlpha&&o.enable(9);t.shadowMapEnabled&&o.enable(10);t.doubleSided&&o.enable(11);t.flipSided&&o.enable(12);t.useDepthPacking&&o.enable(13);t.dithering&&o.enable(14);t.transmission&&o.enable(15);t.sheen&&o.enable(16);t.opaque&&o.enable(17);t.pointsUvs&&o.enable(18);t.decodeVideoTexture&&o.enable(19);t.decodeVideoTextureEmissive&&o.enable(20);t.alphaToCoverage&&o.enable(21);e.push(o.mask)}(i,t),i.push(e.outputColorSpace)),i.push(t.customProgramCacheKey),i.join()},getUniforms:function(e){const t=A[e.type];let i;if(t){const e=xo[t];i=Ur.clone(e.uniforms)}else i=e.uniforms;return i},acquireProgram:function(t,i){let n;for(let e=0,t=h.length;e<t;e++){const t=h[e];if(t.cacheKey===i){n=t,++n.usedTimes;break}}return void 0===n&&(n=new Mc(e,i,t,s),h.push(n)),n},releaseProgram:function(e){if(0==--e.usedTimes){const t=h.indexOf(e);h[t]=h[h.length-1],h.pop(),e.destroy()}},releaseShaderCache:function(e){l.remove(e)},programs:h,dispose:function(){l.dispose()}}}function Lc(){let e=new WeakMap;return{has:function(t){return e.has(t)},get:function(t){let i=e.get(t);return void 0===i&&(i={},e.set(t,i)),i},remove:function(t){e.delete(t)},update:function(t,i,n){e.get(t)[i]=n},dispose:function(){e=new WeakMap}}}function Uc(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder: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 Pc(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 Fc(){const e=[];let t=0;const i=[],n=[],r=[];function s(i,n,r,s,a,o){let l=e[t];return void 0===l?(l={id:i.id,object:i,geometry:n,material:r,groupOrder:s,renderOrder:i.renderOrder,z:a,group:o},e[t]=l):(l.id=i.id,l.object=i,l.geometry=n,l.material=r,l.groupOrder=s,l.renderOrder=i.renderOrder,l.z=a,l.group=o),t++,l}return{opaque:i,transmissive:n,transparent:r,init:function(){t=0,i.length=0,n.length=0,r.length=0},push:function(e,t,a,o,l,c){const h=s(e,t,a,o,l,c);a.transmission>0?n.push(h):!0===a.transparent?r.push(h):i.push(h)},unshift:function(e,t,a,o,l,c){const h=s(e,t,a,o,l,c);a.transmission>0?n.unshift(h):!0===a.transparent?r.unshift(h):i.unshift(h)},finish:function(){for(let i=t,n=e.length;i<n;i++){const t=e[i];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t){i.length>1&&i.sort(e||Uc),n.length>1&&n.sort(t||Pc),r.length>1&&r.sort(t||Pc)}}}function Nc(){let e=new WeakMap;return{get:function(t,i){const n=e.get(t);let r;return void 0===n?(r=new Fc,e.set(t,[r])):i>=n.length?(r=new Fc,n.push(r)):r=n[i],r},dispose:function(){e=new WeakMap}}}function Qc(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let i;switch(t.type){case"DirectionalLight":i={direction:new Ci,color:new Xn};break;case"SpotLight":i={position:new Ci,direction:new Ci,color:new Xn,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":i={position:new Ci,color:new Xn,distance:0,decay:0};break;case"HemisphereLight":i={direction:new Ci,skyColor:new Xn,groundColor:new Xn};break;case"RectAreaLight":i={color:new Xn,position:new Ci,halfWidth:new Ci,halfHeight:new Ci}}return e[t.id]=i,i}}}let kc=0;function Oc(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function Gc(e){const t=new Qc,i=function(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let i;switch(t.type){case"DirectionalLight":case"SpotLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $t};break;case"PointLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new $t,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=i,i}}}(),n={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let e=0;e<9;e++)n.probe.push(new Ci);const r=new Ci,s=new tn,a=new tn;return{setup:function(r){let s=0,a=0,o=0;for(let e=0;e<9;e++)n.probe[e].set(0,0,0);let l=0,c=0,h=0,u=0,d=0,p=0,A=0,m=0,g=0,f=0,b=0;r.sort(Oc);for(let e=0,v=r.length;e<v;e++){const v=r[e],y=v.color,_=v.intensity,E=v.distance,x=v.shadow&&v.shadow.map?v.shadow.map.texture:null;if(v.isAmbientLight)s+=y.r*_,a+=y.g*_,o+=y.b*_;else if(v.isLightProbe){for(let e=0;e<9;e++)n.probe[e].addScaledVector(v.sh.coefficients[e],_);b++}else if(v.isDirectionalLight){const e=t.get(v);if(e.color.copy(v.color).multiplyScalar(v.intensity),v.castShadow){const e=v.shadow,t=i.get(v);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,n.directionalShadow[l]=t,n.directionalShadowMap[l]=x,n.directionalShadowMatrix[l]=v.shadow.matrix,p++}n.directional[l]=e,l++}else if(v.isSpotLight){const e=t.get(v);e.position.setFromMatrixPosition(v.matrixWorld),e.color.copy(y).multiplyScalar(_),e.distance=E,e.coneCos=Math.cos(v.angle),e.penumbraCos=Math.cos(v.angle*(1-v.penumbra)),e.decay=v.decay,n.spot[h]=e;const r=v.shadow;if(v.map&&(n.spotLightMap[g]=v.map,g++,r.updateMatrices(v),v.castShadow&&f++),n.spotLightMatrix[h]=r.matrix,v.castShadow){const e=i.get(v);e.shadowIntensity=r.intensity,e.shadowBias=r.bias,e.shadowNormalBias=r.normalBias,e.shadowRadius=r.radius,e.shadowMapSize=r.mapSize,n.spotShadow[h]=e,n.spotShadowMap[h]=x,m++}h++}else if(v.isRectAreaLight){const e=t.get(v);e.color.copy(y).multiplyScalar(_),e.halfWidth.set(.5*v.width,0,0),e.halfHeight.set(0,.5*v.height,0),n.rectArea[u]=e,u++}else if(v.isPointLight){const e=t.get(v);if(e.color.copy(v.color).multiplyScalar(v.intensity),e.distance=v.distance,e.decay=v.decay,v.castShadow){const e=v.shadow,t=i.get(v);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,t.shadowCameraNear=e.camera.near,t.shadowCameraFar=e.camera.far,n.pointShadow[c]=t,n.pointShadowMap[c]=x,n.pointShadowMatrix[c]=v.shadow.matrix,A++}n.point[c]=e,c++}else if(v.isHemisphereLight){const e=t.get(v);e.skyColor.copy(v.color).multiplyScalar(_),e.groundColor.copy(v.groundColor).multiplyScalar(_),n.hemi[d]=e,d++}}u>0&&(!0===e.has("OES_texture_float_linear")?(n.rectAreaLTC1=Eo.LTC_FLOAT_1,n.rectAreaLTC2=Eo.LTC_FLOAT_2):(n.rectAreaLTC1=Eo.LTC_HALF_1,n.rectAreaLTC2=Eo.LTC_HALF_2)),n.ambient[0]=s,n.ambient[1]=a,n.ambient[2]=o;const v=n.hash;v.directionalLength===l&&v.pointLength===c&&v.spotLength===h&&v.rectAreaLength===u&&v.hemiLength===d&&v.numDirectionalShadows===p&&v.numPointShadows===A&&v.numSpotShadows===m&&v.numSpotMaps===g&&v.numLightProbes===b||(n.directional.length=l,n.spot.length=h,n.rectArea.length=u,n.point.length=c,n.hemi.length=d,n.directionalShadow.length=p,n.directionalShadowMap.length=p,n.pointShadow.length=A,n.pointShadowMap.length=A,n.spotShadow.length=m,n.spotShadowMap.length=m,n.directionalShadowMatrix.length=p,n.pointShadowMatrix.length=A,n.spotLightMatrix.length=m+g-f,n.spotLightMap.length=g,n.numSpotLightShadowsWithMaps=f,n.numLightProbes=b,v.directionalLength=l,v.pointLength=c,v.spotLength=h,v.rectAreaLength=u,v.hemiLength=d,v.numDirectionalShadows=p,v.numPointShadows=A,v.numSpotShadows=m,v.numSpotMaps=g,v.numLightProbes=b,n.version=kc++)},setupView:function(e,t){let i=0,o=0,l=0,c=0,h=0;const u=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){const d=e[t];if(d.isDirectionalLight){const e=n.directional[i];e.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(r),e.direction.transformDirection(u),i++}else if(d.isSpotLight){const e=n.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),e.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(r),e.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const e=n.rectArea[c];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),a.identity(),s.copy(d.matrixWorld),s.premultiply(u),a.extractRotation(s),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(a),e.halfHeight.applyMatrix4(a),c++}else if(d.isPointLight){const e=n.point[o];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(u),o++}else if(d.isHemisphereLight){const 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squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),p=d.clone();p.defines.HORIZONTAL_PASS=1;const A=new gr;A.setAttribute("position",new sr(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const m=new Mr(A,d),g=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=1;let f=this.type;function b(i,n){const s=t.update(m);d.defines.VSM_SAMPLES!==i.blurSamples&&(d.defines.VSM_SAMPLES=i.blurSamples,p.defines.VSM_SAMPLES=i.blurSamples,d.needsUpdate=!0,p.needsUpdate=!0),null===i.mapPass&&(i.mapPass=new 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c=0,h=t.length;c<h;c++){const h=t[c],u=l[h.materialIndex];if(u&&u.visible){const t=v(i,u,a,o);i.onBeforeShadow(e,i,r,s,n,t,h),e.renderBufferDirect(s,null,n,t,i,h),i.onAfterShadow(e,i,r,s,n,t,h)}}}else if(l.visible){const t=v(i,l,a,o);i.onBeforeShadow(e,i,r,s,n,t,null),e.renderBufferDirect(s,null,n,t,i,null),i.onAfterShadow(e,i,r,s,n,t,null)}}const l=i.children;for(let e=0,t=l.length;e<t;e++)y(l[e],r,s,a,o)}function _(e){e.target.removeEventListener("dispose",_);for(const t in c){const i=c[t],n=e.target.uuid;if(n in i){i[n].dispose(),delete i[n]}}}this.render=function(t,i,o){if(!1===g.enabled)return;if(!1===g.autoUpdate&&!1===g.needsUpdate)return;if(0===t.length)return;const l=e.getRenderTarget(),c=e.getActiveCubeFace(),u=e.getActiveMipmapLevel(),d=e.state;d.setBlending(0),d.buffers.color.setClear(1,1,1,1),d.buffers.depth.setTest(!0),d.setScissorTest(!1);const p=3!==f&&3===this.type,A=3===f&&3!==this.type;for(let l=0,c=t.length;l<c;l++){const c=t[l],u=c.shadow;if(void 0===u){console.warn("THREE.WebGLShadowMap:",c,"has no shadow.");continue}if(!1===u.autoUpdate&&!1===u.needsUpdate)continue;r.copy(u.mapSize);const m=u.getFrameExtents();if(r.multiply(m),s.copy(u.mapSize),(r.x>h||r.y>h)&&(r.x>h&&(s.x=Math.floor(h/m.x),r.x=s.x*m.x,u.mapSize.x=s.x),r.y>h&&(s.y=Math.floor(h/m.y),r.y=s.y*m.y,u.mapSize.y=s.y)),null===u.map||!0===p||!0===A){const e=3!==this.type?{minFilter:ce,magFilter:ce}:{};null!==u.map&&u.map.dispose(),u.map=new _i(r.x,r.y,e),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}e.setRenderTarget(u.map),e.clear();const g=u.getViewportCount();for(let e=0;e<g;e++){const t=u.getViewport(e);a.set(s.x*t.x,s.y*t.y,s.x*t.z,s.y*t.w),d.viewport(a),u.updateMatrices(c,e),n=u.getFrustum(),y(i,o,u.camera,c,this.type)}!0!==u.isPointLightShadow&&3===this.type&&b(u,o),u.needsUpdate=!1}f=this.type,g.needsUpdate=!1,e.setRenderTarget(l,c,u)}}const Wc={[q]:1,[X]:6,[K]:7,[Y]:5,[j]:0,[$]:2,[Z]:4,[J]:3};function qc(e,t){const i=new 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5:e.depthFunc(e.GEQUAL);break;case 6:e.depthFunc(e.GREATER);break;case 7:e.depthFunc(e.NOTEQUAL)}s=t}},setLocked:function(e){i=e},setClear:function(t){a!==t&&(n&&(t=1-t),e.clearDepth(t),a=t)},reset:function(){i=!1,r=null,s=null,a=null,n=!1}}},r=new function(){let t=!1,i=null,n=null,r=null,s=null,a=null,o=null,l=null,c=null;return{setTest:function(i){t||(i?re(e.STENCIL_TEST):se(e.STENCIL_TEST))},setMask:function(n){i===n||t||(e.stencilMask(n),i=n)},setFunc:function(t,i,a){n===t&&r===i&&s===a||(e.stencilFunc(t,i,a),n=t,r=i,s=a)},setOp:function(t,i,n){a===t&&o===i&&l===n||(e.stencilOp(t,i,n),a=t,o=i,l=n)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,i=null,n=null,r=null,s=null,a=null,o=null,l=null,c=null}}},s=new WeakMap,a=new WeakMap;let o={},l={},c=new WeakMap,h=[],u=null,d=!1,p=null,A=null,m=null,g=null,f=null,b=null,v=null,y=new Xn(0,0,0),_=0,E=!1,x=null,S=null,C=null,w=null,I=null;const q=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS);let j=!1,X=0;const Y=e.getParameter(e.VERSION);-1!==Y.indexOf("WebGL")?(X=parseFloat(/^WebGL (\d)/.exec(Y)[1]),j=X>=1):-1!==Y.indexOf("OpenGL ES")&&(X=parseFloat(/^OpenGL ES (\d)/.exec(Y)[1]),j=X>=2);let K=null,J={};const $=e.getParameter(e.SCISSOR_BOX),Z=e.getParameter(e.VIEWPORT),ee=(new vi).fromArray($),te=(new vi).fromArray(Z);function ie(t,i,n,r){const s=new Uint8Array(4),a=e.createTexture();e.bindTexture(t,a),e.texParameteri(t,e.TEXTURE_MIN_FILTER,e.NEAREST),e.texParameteri(t,e.TEXTURE_MAG_FILTER,e.NEAREST);for(let a=0;a<n;a++)t===e.TEXTURE_3D||t===e.TEXTURE_2D_ARRAY?e.texImage3D(i,0,e.RGBA,1,1,r,0,e.RGBA,e.UNSIGNED_BYTE,s):e.texImage2D(i+a,0,e.RGBA,1,1,0,e.RGBA,e.UNSIGNED_BYTE,s);return a}const ne={};function re(t){!0!==o[t]&&(e.enable(t),o[t]=!0)}function se(t){!1!==o[t]&&(e.disable(t),o[t]=!1)}ne[e.TEXTURE_2D]=ie(e.TEXTURE_2D,e.TEXTURE_2D,1),ne[e.TEXTURE_CUBE_MAP]=ie(e.TEXTURE_CUBE_MAP,e.TEXTURE_CUBE_MAP_POSITIVE_X,6),ne[e.TEXTURE_2D_ARRAY]=ie(e.TEXTURE_2D_ARRAY,e.TEXTURE_2D_ARRAY,1,1),ne[e.TEXTURE_3D]=ie(e.TEXTURE_3D,e.TEXTURE_3D,1,1),i.setClear(0,0,0,1),n.setClear(1),r.setClear(0),re(e.DEPTH_TEST),n.setFunc(3),ce(!1),he(1),re(e.CULL_FACE),le(0);const ae={[M]:e.FUNC_ADD,[T]:e.FUNC_SUBTRACT,[B]:e.FUNC_REVERSE_SUBTRACT};ae[103]=e.MIN,ae[104]=e.MAX;const oe={[R]:e.ZERO,[D]:e.ONE,[L]:e.SRC_COLOR,[P]:e.SRC_ALPHA,[G]:e.SRC_ALPHA_SATURATE,[k]:e.DST_COLOR,[N]:e.DST_ALPHA,[U]:e.ONE_MINUS_SRC_COLOR,[F]:e.ONE_MINUS_SRC_ALPHA,[O]:e.ONE_MINUS_DST_COLOR,[Q]:e.ONE_MINUS_DST_ALPHA,[H]:e.CONSTANT_COLOR,[z]:e.ONE_MINUS_CONSTANT_COLOR,[V]:e.CONSTANT_ALPHA,[W]:e.ONE_MINUS_CONSTANT_ALPHA};function le(t,i,n,r,s,a,o,l,c,h){if(0!==t){if(!1===d&&(re(e.BLEND),d=!0),5===t)s=s||i,a=a||n,o=o||r,i===A&&s===f||(e.blendEquationSeparate(ae[i],ae[s]),A=i,f=s),n===m&&r===g&&a===b&&o===v||(e.blendFuncSeparate(oe[n],oe[r],oe[a],oe[o]),m=n,g=r,b=a,v=o),!1!==l.equals(y)&&c===_||(e.blendColor(l.r,l.g,l.b,c),y.copy(l),_=c),p=t,E=!1;else if(t!==p||h!==E){if(A===M&&f===M||(e.blendEquation(e.FUNC_ADD),A=M,f=M),h)switch(t){case 1:e.blendFuncSeparate(e.ONE,e.ONE_MINUS_SRC_ALPHA,e.ONE,e.ONE_MINUS_SRC_ALPHA);break;case 2:e.blendFunc(e.ONE,e.ONE);break;case 3:e.blendFuncSeparate(e.ZERO,e.ONE_MINUS_SRC_COLOR,e.ZERO,e.ONE);break;case 4:e.blendFuncSeparate(e.ZERO,e.SRC_COLOR,e.ZERO,e.SRC_ALPHA);break;default:console.error("THREE.WebGLState: Invalid blending: ",t)}else switch(t){case 1:e.blendFuncSeparate(e.SRC_ALPHA,e.ONE_MINUS_SRC_ALPHA,e.ONE,e.ONE_MINUS_SRC_ALPHA);break;case 2:e.blendFunc(e.SRC_ALPHA,e.ONE);break;case 3:e.blendFuncSeparate(e.ZERO,e.ONE_MINUS_SRC_COLOR,e.ZERO,e.ONE);break;case 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n=a.get(i).get(t);s.get(i)!==n&&(e.uniformBlockBinding(i,n,t.__bindingPointIndex),s.set(i,n))},texStorage2D:function(){try{e.texStorage2D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},texStorage3D:function(){try{e.texStorage3D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},texSubImage2D:function(){try{e.texSubImage2D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},texSubImage3D:function(){try{e.texSubImage3D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},compressedTexSubImage2D:function(){try{e.compressedTexSubImage2D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},compressedTexSubImage3D:function(){try{e.compressedTexSubImage3D(...arguments)}catch(e){console.error("THREE.WebGLState:",e)}},scissor:function(t){!1===ee.equals(t)&&(e.scissor(t.x,t.y,t.z,t.w),ee.copy(t))},viewport:function(t){!1===te.equals(t)&&(e.viewport(t.x,t.y,t.z,t.w),te.copy(t))},reset:function(){e.disable(e.BLEND),e.disable(e.CULL_FACE),e.disable(e.DEPTH_TEST),e.disable(e.POLYGON_OFFSET_FILL),e.disable(e.SCISSOR_TEST),e.disable(e.STENCIL_TEST),e.disable(e.SAMPLE_ALPHA_TO_COVERAGE),e.blendEquation(e.FUNC_ADD),e.blendFunc(e.ONE,e.ZERO),e.blendFuncSeparate(e.ONE,e.ZERO,e.ONE,e.ZERO),e.blendColor(0,0,0,0),e.colorMask(!0,!0,!0,!0),e.clearColor(0,0,0,0),e.depthMask(!0),e.depthFunc(e.LESS),n.setReversed(!1),e.clearDepth(1),e.stencilMask(4294967295),e.stencilFunc(e.ALWAYS,0,4294967295),e.stencilOp(e.KEEP,e.KEEP,e.KEEP),e.clearStencil(0),e.cullFace(e.BACK),e.frontFace(e.CCW),e.polygonOffset(0,0),e.activeTexture(e.TEXTURE0),e.bindFramebuffer(e.FRAMEBUFFER,null),e.bindFramebuffer(e.DRAW_FRAMEBUFFER,null),e.bindFramebuffer(e.READ_FRAMEBUFFER,null),e.useProgram(null),e.lineWidth(1),e.scissor(0,0,e.canvas.width,e.canvas.height),e.viewport(0,0,e.canvas.width,e.canvas.height),o={},K=null,J={},l={},c=new WeakMap,h=[],u=null,d=!1,p=null,A=null,m=null,g=null,f=null,b=null,v=null,y=new Xn(0,0,0),_=0,E=!1,x=null,S=null,C=null,w=null,I=null,ee.set(0,0,e.canvas.width,e.canvas.height),te.set(0,0,e.canvas.width,e.canvas.height),i.reset(),n.reset(),r.reset()}}}function jc(e,t,i,n,r,s,a){const o=t.has("WEBGL_multisampled_render_to_texture")?t.get("WEBGL_multisampled_render_to_texture"):null,l="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),c=new $t,h=new WeakMap;let u;const d=new WeakMap;let p=!1;try{p="undefined"!=typeof OffscreenCanvas&&null!==new OffscreenCanvas(1,1).getContext("2d")}catch(e){}function A(e,t){return p?new OffscreenCanvas(e,t):ii("canvas")}function m(e,t,i){let n=1;const r=G(e);if((r.width>i||r.height>i)&&(n=i/Math.max(r.width,r.height)),n<1){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof 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OES_texture_float_linear not supported on this device."),e.texParameteri(i,e.TEXTURE_WRAP_S,I[s.wrapS]),e.texParameteri(i,e.TEXTURE_WRAP_T,I[s.wrapT]),i!==e.TEXTURE_3D&&i!==e.TEXTURE_2D_ARRAY||e.texParameteri(i,e.TEXTURE_WRAP_R,I[s.wrapR]),e.texParameteri(i,e.TEXTURE_MAG_FILTER,M[s.magFilter]),e.texParameteri(i,e.TEXTURE_MIN_FILTER,M[s.minFilter]),s.compareFunction&&(e.texParameteri(i,e.TEXTURE_COMPARE_MODE,e.COMPARE_REF_TO_TEXTURE),e.texParameteri(i,e.TEXTURE_COMPARE_FUNC,T[s.compareFunction])),!0===t.has("EXT_texture_filter_anisotropic")){if(s.magFilter===ce)return;if(s.minFilter!==ue&&s.minFilter!==Ae)return;if(s.type===_e&&!1===t.has("OES_texture_float_linear"))return;if(s.anisotropy>1||n.get(s).__currentAnisotropy){const a=t.get("EXT_texture_filter_anisotropic");e.texParameterf(i,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),n.get(s).__currentAnisotropy=s.anisotropy}}}function R(t,i){let n=!1;void 0===t.__webglInit&&(t.__webglInit=!0,i.addEventListener("dispose",E));const r=i.source;let s=d.get(r);void 0===s&&(s={},d.set(r,s));const o=function(e){const t=[];return t.push(e.wrapS),t.push(e.wrapT),t.push(e.wrapR||0),t.push(e.magFilter),t.push(e.minFilter),t.push(e.anisotropy),t.push(e.internalFormat),t.push(e.format),t.push(e.type),t.push(e.generateMipmaps),t.push(e.premultiplyAlpha),t.push(e.flipY),t.push(e.unpackAlignment),t.push(e.colorSpace),t.join()}(i);if(o!==t.__cacheKey){void 0===s[o]&&(s[o]={texture:e.createTexture(),usedTimes:0},a.memory.textures++,n=!0),s[o].usedTimes++;const r=s[t.__cacheKey];void 0!==r&&(s[t.__cacheKey].usedTimes--,0===r.usedTimes&&S(i)),t.__cacheKey=o,t.__webglTexture=s[o].texture}return n}function D(t,a,o){let l=e.TEXTURE_2D;(a.isDataArrayTexture||a.isCompressedArrayTexture)&&(l=e.TEXTURE_2D_ARRAY),a.isData3DTexture&&(l=e.TEXTURE_3D);const c=R(t,a),h=a.source;i.bindTexture(l,t.__webglTexture,e.TEXTURE0+o);const 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i.compressedTexImage3D(e.TEXTURE_2D_ARRAY,t,x,E.width,E.height,p.depth,0,E.data,0,0);else console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()");else C?I&&i.texSubImage3D(e.TEXTURE_2D_ARRAY,t,0,0,0,E.width,E.height,p.depth,A,b,E.data):i.texImage3D(e.TEXTURE_2D_ARRAY,t,x,E.width,E.height,p.depth,0,A,b,E.data)}else{C&&w&&i.texStorage2D(e.TEXTURE_2D,M,x,S[0].width,S[0].height);for(let t=0,n=S.length;t<n;t++)E=S[t],a.format!==Ie?null!==A?C?I&&i.compressedTexSubImage2D(e.TEXTURE_2D,t,0,0,E.width,E.height,A,E.data):i.compressedTexImage2D(e.TEXTURE_2D,t,x,E.width,E.height,0,E.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .uploadTexture()"):C?I&&i.texSubImage2D(e.TEXTURE_2D,t,0,0,E.width,E.height,A,b,E.data):i.texImage2D(e.TEXTURE_2D,t,x,E.width,E.height,0,A,b,E.data)}else if(a.isDataArrayTexture)if(C){if(w&&i.texStorage3D(e.TEXTURE_2D_ARRAY,M,x,p.width,p.height,p.depth),I)if(a.layerUpdates.size>0){const t=bo(p.width,p.height,a.format,a.type);for(const n of a.layerUpdates){const r=p.data.subarray(n*t/p.data.BYTES_PER_ELEMENT,(n+1)*t/p.data.BYTES_PER_ELEMENT);i.texSubImage3D(e.TEXTURE_2D_ARRAY,0,0,0,n,p.width,p.height,1,A,b,r)}a.clearLayerUpdates()}else i.texSubImage3D(e.TEXTURE_2D_ARRAY,0,0,0,0,p.width,p.height,p.depth,A,b,p.data)}else i.texImage3D(e.TEXTURE_2D_ARRAY,0,x,p.width,p.height,p.depth,0,A,b,p.data);else if(a.isData3DTexture)C?(w&&i.texStorage3D(e.TEXTURE_3D,M,x,p.width,p.height,p.depth),I&&i.texSubImage3D(e.TEXTURE_3D,0,0,0,0,p.width,p.height,p.depth,A,b,p.data)):i.texImage3D(e.TEXTURE_3D,0,x,p.width,p.height,p.depth,0,A,b,p.data);else if(a.isFramebufferTexture){if(w)if(C)i.texStorage2D(e.TEXTURE_2D,M,x,p.width,p.height);else{let t=p.width,n=p.height;for(let r=0;r<M;r++)i.texImage2D(e.TEXTURE_2D,r,x,t,n,0,A,b,null),t>>=1,n>>=1}}else if(S.length>0){if(C&&w){const t=G(S[0]);i.texStorage2D(e.TEXTURE_2D,M,x,t.width,t.height)}for(let t=0,n=S.length;t<n;t++)E=S[t],C?I&&i.texSubImage2D(e.TEXTURE_2D,t,0,0,A,b,E):i.texImage2D(e.TEXTURE_2D,t,x,A,b,E);a.generateMipmaps=!1}else if(C){if(w){const t=G(p);i.texStorage2D(e.TEXTURE_2D,M,x,t.width,t.height)}I&&i.texSubImage2D(e.TEXTURE_2D,0,0,0,A,b,p)}else i.texImage2D(e.TEXTURE_2D,0,x,A,b,p);g(a)&&f(l),u.__version=h.version,a.onUpdate&&a.onUpdate(a)}t.__version=a.version}function L(t,r,a,l,c,h){const u=s.convert(a.format,a.colorSpace),d=s.convert(a.type),p=v(a.internalFormat,u,d,a.colorSpace),A=n.get(r),m=n.get(a);if(m.__renderTarget=r,!A.__hasExternalTextures){const 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t=b(e),r=n.get(s).__webglTexture;i.bindTexture(t,r),f(t),i.unbindTexture()}}},this.updateMultisampleRenderTarget=function(t){if(t.samples>0)if(!1===k(t)){const r=t.textures,s=t.width,a=t.height;let o=e.COLOR_BUFFER_BIT;const c=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT,h=n.get(t),u=r.length>1;if(u)for(let t=0;t<r.length;t++)i.bindFramebuffer(e.FRAMEBUFFER,h.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.RENDERBUFFER,null),i.bindFramebuffer(e.FRAMEBUFFER,h.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,null,0);i.bindFramebuffer(e.READ_FRAMEBUFFER,h.__webglMultisampledFramebuffer),i.bindFramebuffer(e.DRAW_FRAMEBUFFER,h.__webglFramebuffer);for(let i=0;i<r.length;i++){if(t.resolveDepthBuffer&&(t.depthBuffer&&(o|=e.DEPTH_BUFFER_BIT),t.stencilBuffer&&t.resolveStencilBuffer&&(o|=e.STENCIL_BUFFER_BIT)),u){e.framebufferRenderbuffer(e.READ_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.RENDERBUFFER,h.__webglColorRenderbuffer[i]);const t=n.get(r[i]).__webglTexture;e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0)}e.blitFramebuffer(0,0,s,a,0,0,s,a,o,e.NEAREST),!0===l&&(F.length=0,N.length=0,F.push(e.COLOR_ATTACHMENT0+i),t.depthBuffer&&!1===t.resolveDepthBuffer&&(F.push(c),N.push(c),e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,N)),e.invalidateFramebuffer(e.READ_FRAMEBUFFER,F))}if(i.bindFramebuffer(e.READ_FRAMEBUFFER,null),i.bindFramebuffer(e.DRAW_FRAMEBUFFER,null),u)for(let t=0;t<r.length;t++){i.bindFramebuffer(e.FRAMEBUFFER,h.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.RENDERBUFFER,h.__webglColorRenderbuffer[t]);const s=n.get(r[t]).__webglTexture;i.bindFramebuffer(e.FRAMEBUFFER,h.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,s,0)}i.bindFramebuffer(e.DRAW_FRAMEBUFFER,h.__webglMultisampledFramebuffer)}else if(t.depthBuffer&&!1===t.resolveDepthBuffer&&l){const i=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT;e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,[i])}},this.setupDepthRenderbuffer=P,this.setupFrameBufferTexture=L,this.useMultisampledRTT=k}function Xc(e,t){return{convert:function(i,n=""){let r;const s=ci.getTransfer(n);if(i===me)return e.UNSIGNED_BYTE;if(i===xe)return e.UNSIGNED_SHORT_4_4_4_4;if(i===Se)return e.UNSIGNED_SHORT_5_5_5_1;if(i===we)return e.UNSIGNED_INT_5_9_9_9_REV;if(i===ge)return e.BYTE;if(i===fe)return e.SHORT;if(i===be)return e.UNSIGNED_SHORT;if(i===ve)return e.INT;if(i===ye)return e.UNSIGNED_INT;if(i===_e)return e.FLOAT;if(i===Ee)return e.HALF_FLOAT;if(1021===i)return e.ALPHA;if(1022===i)return e.RGB;if(i===Ie)return e.RGBA;if(1024===i)return e.LUMINANCE;if(1025===i)return e.LUMINANCE_ALPHA;if(i===Me)return e.DEPTH_COMPONENT;if(i===Te)return e.DEPTH_STENCIL;if(i===Be)return e.RED;if(i===Re)return e.RED_INTEGER;if(i===De)return e.RG;if(i===Le)return e.RG_INTEGER;if(i===Ue)return e.RGBA_INTEGER;if(i===Pe||i===Fe||i===Ne||i===Qe)if(s===wt){if(r=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(i===Pe)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(i===Fe)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(i===Ne)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(i===Qe)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=t.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(i===Pe)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(i===Fe)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(i===Ne)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(i===Qe)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(i===ke||i===Oe||i===Ge||i===He){if(r=t.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(i===ke)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(i===Oe)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(i===Ge)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(i===He)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(i===ze||i===Ve||i===We){if(r=t.get("WEBGL_compressed_texture_etc"),null===r)return null;if(i===ze||i===Ve)return s===wt?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(i===We)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC}if(i===qe||i===je||i===Xe||i===Ye||i===Ke||i===Je||i===$e||i===Ze||i===et||i===tt||i===it||i===nt||i===rt||i===st){if(r=t.get("WEBGL_compressed_texture_astc"),null===r)return null;if(i===qe)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(i===je)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(i===Xe)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(i===Ye)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(i===Ke)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(i===Je)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(i===$e)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(i===Ze)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(i===et)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(i===tt)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(i===it)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(i===nt)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(i===rt)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(i===st)return s===wt?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(i===at||i===ot||i===lt){if(r=t.get("EXT_texture_compression_bptc"),null===r)return null;if(i===at)return s===wt?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(i===ot)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(i===lt)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(36283===i||i===ct||i===ht||i===ut){if(r=t.get("EXT_texture_compression_rgtc"),null===r)return null;if(i===at)return r.COMPRESSED_RED_RGTC1_EXT;if(i===ct)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(i===ht)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(i===ut)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return i===Ce?e.UNSIGNED_INT_24_8:void 0!==e[i]?e[i]:null}}}class Yc{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(e,t,i){if(null===this.texture){const n=new bi;e.properties.get(n).__webglTexture=t.texture,t.depthNear===i.depthNear&&t.depthFar===i.depthFar||(this.depthNear=t.depthNear,this.depthFar=t.depthFar),this.texture=n}}getMesh(e){if(null!==this.texture&&null===this.mesh){const t=e.cameras[0].viewport,i=new Pr({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r;\n\n\t}\n\n}",uniforms:{depthColor:{value:this.texture},depthWidth:{value:t.z},depthHeight:{value:t.w}}});this.mesh=new Mr(new ia(20,20),i)}return this.mesh}reset(){this.texture=null,this.mesh=null}getDepthTexture(){return this.texture}}class Kc extends Ot{constructor(e,t){super();const i=this;let n=null,r=1,s=null,a="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const A=new Yc,m=t.getContextAttributes();let g=null,f=null;const b=[],v=[],y=new $t;let _=null;const E=new Or;E.viewport=new vi;const x=new Or;x.viewport=new vi;const S=[E,x],C=new to;let w=null,I=null;function M(e){const t=v.indexOf(e.inputSource);if(-1===t)return;const i=b[t];void 0!==i&&(i.update(e.inputSource,e.frame,l||s),i.dispatchEvent({type:e.type,data:e.inputSource}))}function T(){n.removeEventListener("select",M),n.removeEventListener("selectstart",M),n.removeEventListener("selectend",M),n.removeEventListener("squeeze",M),n.removeEventListener("squeezestart",M),n.removeEventListener("squeezeend",M),n.removeEventListener("end",T),n.removeEventListener("inputsourceschange",B);for(let e=0;e<b.length;e++){const t=v[e];null!==t&&(v[e]=null,b[e].disconnect(t))}w=null,I=null,A.reset(),e.setRenderTarget(g),d=null,u=null,h=null,n=null,f=null,P.stop(),i.isPresenting=!1,e.setPixelRatio(_),e.setSize(y.width,y.height,!1),i.dispatchEvent({type:"sessionend"})}function B(e){for(let t=0;t<e.removed.length;t++){const i=e.removed[t],n=v.indexOf(i);n>=0&&(v[n]=null,b[n].disconnect(i))}for(let t=0;t<e.added.length;t++){const i=e.added[t];let n=v.indexOf(i);if(-1===n){for(let e=0;e<b.length;e++){if(e>=v.length){v.push(i),n=e;break}if(null===v[e]){v[e]=i,n=e;break}}if(-1===n)break}const r=b[n];r&&r.connect(i)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=b[e];return void 0===t&&(t=new jr,b[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=b[e];return void 0===t&&(t=new jr,b[e]=t),t.getGripSpace()},this.getHand=function(e){let t=b[e];return void 0===t&&(t=new jr,b[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){r=e,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){a=e,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||s},this.setReferenceSpace=function(e){l=e},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return n},this.setSession=async function(c){if(n=c,null!==n){g=e.getRenderTarget(),n.addEventListener("select",M),n.addEventListener("selectstart",M),n.addEventListener("selectend",M),n.addEventListener("squeeze",M),n.addEventListener("squeezestart",M),n.addEventListener("squeezeend",M),n.addEventListener("end",T),n.addEventListener("inputsourceschange",B),!0!==m.xrCompatible&&await t.makeXRCompatible(),_=e.getPixelRatio(),e.getSize(y);if("undefined"!=typeof XRWebGLBinding&&"createProjectionLayer"in XRWebGLBinding.prototype){let i=null,s=null,a=null;m.depth&&(a=m.stencil?t.DEPTH24_STENCIL8:t.DEPTH_COMPONENT24,i=m.stencil?Te:Me,s=m.stencil?Ce:ye);const o={colorFormat:t.RGBA8,depthFormat:a,scaleFactor:r};h=new XRWebGLBinding(n,t),u=h.createProjectionLayer(o),n.updateRenderState({layers:[u]}),e.setPixelRatio(1),e.setSize(u.textureWidth,u.textureHeight,!1),f=new _i(u.textureWidth,u.textureHeight,{format:Ie,type:me,depthTexture:new ta(u.textureWidth,u.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,i),stencilBuffer:m.stencil,colorSpace:e.outputColorSpace,samples:m.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues})}else{const i={antialias:m.antialias,alpha:!0,depth:m.depth,stencil:m.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(n,t,i),n.updateRenderState({baseLayer:d}),e.setPixelRatio(1),e.setSize(d.framebufferWidth,d.framebufferHeight,!1),f=new _i(d.framebufferWidth,d.framebufferHeight,{format:Ie,type:me,colorSpace:e.outputColorSpace,stencilBuffer:m.stencil,resolveDepthBuffer:!1===d.ignoreDepthValues,resolveStencilBuffer:!1===d.ignoreDepthValues})}f.isXRRenderTarget=!0,this.setFoveation(o),l=null,s=await n.requestReferenceSpace(a),P.setContext(n),P.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==n)return n.environmentBlendMode},this.getDepthTexture=function(){return A.getDepthTexture()};const R=new Ci,D=new Ci;function L(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===n)return;let t=e.near,i=e.far;null!==A.texture&&(A.depthNear>0&&(t=A.depthNear),A.depthFar>0&&(i=A.depthFar)),C.near=x.near=E.near=t,C.far=x.far=E.far=i,w===C.near&&I===C.far||(n.updateRenderState({depthNear:C.near,depthFar:C.far}),w=C.near,I=C.far),E.layers.mask=2|e.layers.mask,x.layers.mask=4|e.layers.mask,C.layers.mask=E.layers.mask|x.layers.mask;const r=e.parent,s=C.cameras;L(C,r);for(let e=0;e<s.length;e++)L(s[e],r);2===s.length?function(e,t,i){R.setFromMatrixPosition(t.matrixWorld),D.setFromMatrixPosition(i.matrixWorld);const n=R.distanceTo(D),r=t.projectionMatrix.elements,s=i.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*h,p=a*u,A=n/(-h+u),m=A*-h;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(A),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===r[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+A,i=o+A,r=d-m,s=p+(n-m),h=l*o/i*t,u=c*o/i*t;e.projectionMatrix.makePerspective(r,s,h,u,t,i),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(C,E,x):C.projectionMatrix.copy(E.projectionMatrix),function(e,t,i){null===i?e.matrix.copy(t.matrixWorld):(e.matrix.copy(i.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Vt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,C,r)},this.getCamera=function(){return C},this.getFoveation=function(){if(null!==u||null!==d)return o},this.setFoveation=function(e){o=e,null!==u&&(u.fixedFoveation=e),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=e)},this.hasDepthSensing=function(){return null!==A.texture},this.getDepthSensingMesh=function(){return A.getMesh(C)};let U=null;const P=new vo;P.setAnimationLoop((function(t,r){if(c=r.getViewerPose(l||s),p=r,null!==c){const t=c.views;null!==d&&(e.setRenderTargetFramebuffer(f,d.framebuffer),e.setRenderTarget(f));let i=!1;t.length!==C.cameras.length&&(C.cameras.length=0,i=!0);for(let n=0;n<t.length;n++){const r=t[n];let s=null;if(null!==d)s=d.getViewport(r);else{const t=h.getViewSubImage(u,r);s=t.viewport,0===n&&(e.setRenderTargetTextures(f,t.colorTexture,u.ignoreDepthValues?void 0:t.depthStencilTexture),e.setRenderTarget(f))}let a=S[n];void 0===a&&(a=new Or,a.layers.enable(n),a.viewport=new vi,S[n]=a),a.matrix.fromArray(r.transform.matrix),a.matrix.decompose(a.position,a.quaternion,a.scale),a.projectionMatrix.fromArray(r.projectionMatrix),a.projectionMatrixInverse.copy(a.projectionMatrix).invert(),a.viewport.set(s.x,s.y,s.width,s.height),0===n&&(C.matrix.copy(a.matrix),C.matrix.decompose(C.position,C.quaternion,C.scale)),!0===i&&C.cameras.push(a)}const r=n.enabledFeatures;if(r&&r.includes("depth-sensing")&&"gpu-optimized"==n.depthUsage&&h){const i=h.getDepthInformation(t[0]);i&&i.isValid&&i.texture&&A.init(e,i,n.renderState)}}for(let e=0;e<b.length;e++){const t=v[e],i=b[e];null!==t&&void 0!==i&&i.update(t,r,l||s)}U&&U(t,r),r.detectedPlanes&&i.dispatchEvent({type:"planesdetected",data:r}),p=null})),this.setAnimationLoop=function(e){U=e},this.dispose=function(){}}}const Jc=new dn,$c=new tn;function Zc(e,t){function i(e,t){!0===e.matrixAutoUpdate&&e.updateMatrix(),t.value.copy(e.matrix)}function n(e,n){e.opacity.value=n.opacity,n.color&&e.diffuse.value.copy(n.color),n.emissive&&e.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(e.map.value=n.map,i(n.map,e.mapTransform)),n.alphaMap&&(e.alphaMap.value=n.alphaMap,i(n.alphaMap,e.alphaMapTransform)),n.bumpMap&&(e.bumpMap.value=n.bumpMap,i(n.bumpMap,e.bumpMapTransform),e.bumpScale.value=n.bumpScale,1===n.side&&(e.bumpScale.value*=-1)),n.normalMap&&(e.normalMap.value=n.normalMap,i(n.normalMap,e.normalMapTransform),e.normalScale.value.copy(n.normalScale),1===n.side&&e.normalScale.value.negate()),n.displacementMap&&(e.displacementMap.value=n.displacementMap,i(n.displacementMap,e.displacementMapTransform),e.displacementScale.value=n.displacementScale,e.displacementBias.value=n.displacementBias),n.emissiveMap&&(e.emissiveMap.value=n.emissiveMap,i(n.emissiveMap,e.emissiveMapTransform)),n.specularMap&&(e.specularMap.value=n.specularMap,i(n.specularMap,e.specularMapTransform)),n.alphaTest>0&&(e.alphaTest.value=n.alphaTest);const r=t.get(n),s=r.envMap,a=r.envMapRotation;s&&(e.envMap.value=s,Jc.copy(a),Jc.x*=-1,Jc.y*=-1,Jc.z*=-1,s.isCubeTexture&&!1===s.isRenderTargetTexture&&(Jc.y*=-1,Jc.z*=-1),e.envMapRotation.value.setFromMatrix4($c.makeRotationFromEuler(Jc)),e.flipEnvMap.value=s.isCubeTexture&&!1===s.isRenderTargetTexture?-1:1,e.reflectivity.value=n.reflectivity,e.ior.value=n.ior,e.refractionRatio.value=n.refractionRatio),n.lightMap&&(e.lightMap.value=n.lightMap,e.lightMapIntensity.value=n.lightMapIntensity,i(n.lightMap,e.lightMapTransform)),n.aoMap&&(e.aoMap.value=n.aoMap,e.aoMapIntensity.value=n.aoMapIntensity,i(n.aoMap,e.aoMapTransform))}return{refreshFogUniforms:function(t,i){i.color.getRGB(t.fogColor.value,Lr(e)),i.isFog?(t.fogNear.value=i.near,t.fogFar.value=i.far):i.isFogExp2&&(t.fogDensity.value=i.density)},refreshMaterialUniforms:function(e,r,s,a,o){r.isMeshBasicMaterial||r.isMeshLambertMaterial?n(e,r):r.isMeshToonMaterial?(n(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,r)):r.isMeshPhongMaterial?(n(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,r)):r.isMeshStandardMaterial?(n(e,r),function(e,t){e.metalness.value=t.metalness,t.metalnessMap&&(e.metalnessMap.value=t.metalnessMap,i(t.metalnessMap,e.metalnessMapTransform));e.roughness.value=t.roughness,t.roughnessMap&&(e.roughnessMap.value=t.roughnessMap,i(t.roughnessMap,e.roughnessMapTransform));t.envMap&&(e.envMapIntensity.value=t.envMapIntensity)}(e,r),r.isMeshPhysicalMaterial&&function(e,t,n){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap,i(t.sheenColorMap,e.sheenColorMapTransform)),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap,i(t.sheenRoughnessMap,e.sheenRoughnessMapTransform)));t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap,i(t.clearcoatMap,e.clearcoatMapTransform)),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap,i(t.clearcoatRoughnessMap,e.clearcoatRoughnessMapTransform)),t.clearcoatNormalMap&&(e.clearcoatNormalMap.value=t.clearcoatNormalMap,i(t.clearcoatNormalMap,e.clearcoatNormalMapTransform),e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),1===t.side&&e.clearcoatNormalScale.value.negate()));t.dispersion>0&&(e.dispersion.value=t.dispersion);t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap,i(t.iridescenceMap,e.iridescenceMapTransform)),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap,i(t.iridescenceThicknessMap,e.iridescenceThicknessMapTransform)));t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=n.texture,e.transmissionSamplerSize.value.set(n.width,n.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap,i(t.transmissionMap,e.transmissionMapTransform)),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap,i(t.thicknessMap,e.thicknessMapTransform)),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor));t.anisotropy>0&&(e.anisotropyVector.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation)),t.anisotropyMap&&(e.anisotropyMap.value=t.anisotropyMap,i(t.anisotropyMap,e.anisotropyMapTransform)));e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap,i(t.specularColorMap,e.specularColorMapTransform));t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap,i(t.specularIntensityMap,e.specularIntensityMapTransform))}(e,r,o)):r.isMeshMatcapMaterial?(n(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,r)):r.isMeshDepthMaterial?n(e,r):r.isMeshDistanceMaterial?(n(e,r),function(e,i){const n=t.get(i).light;e.referencePosition.value.setFromMatrixPosition(n.matrixWorld),e.nearDistance.value=n.shadow.camera.near,e.farDistance.value=n.shadow.camera.far}(e,r)):r.isMeshNormalMaterial?n(e,r):r.isLineBasicMaterial?(function(e,t){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,t.map&&(e.map.value=t.map,i(t.map,e.mapTransform))}(e,r),r.isLineDashedMaterial&&function(e,t){e.dashSize.value=t.dashSize,e.totalSize.value=t.dashSize+t.gapSize,e.scale.value=t.scale}(e,r)):r.isPointsMaterial?function(e,t,n,r){e.diffuse.value.copy(t.color),e.opacity.value=t.opacity,e.size.value=t.size*n,e.scale.value=.5*r,t.map&&(e.map.value=t.map,i(t.map,e.uvTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,i(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,r,s,a):r.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,i(t.map,e.mapTransform));t.alphaMap&&(e.alphaMap.value=t.alphaMap,i(t.alphaMap,e.alphaMapTransform));t.alphaTest>0&&(e.alphaTest.value=t.alphaTest)}(e,r):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function 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t=ee.get(e.texture);Me.framebufferTexture2D(Me.FRAMEBUFFER,Me.COLOR_ATTACHMENT0,Me.TEXTURE_2D,t.__webglTexture,i)}C=-1},this.readRenderTargetPixels=function(e,t,i,n,r,s,a){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=ee.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){$.bindFramebuffer(Me.FRAMEBUFFER,o);try{const a=e.texture,o=a.format,l=a.type;if(!J.textureFormatReadable(o))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!J.textureTypeReadable(l))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-n&&i>=0&&i<=e.height-r&&Me.readPixels(t,i,n,r,_e.convert(o),_e.convert(l),s)}finally{const e=null!==x?ee.get(x).__webglFramebuffer:null;$.bindFramebuffer(Me.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,i,n,r,s,a){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=ee.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){const a=e.texture,l=a.format,c=a.type;if(!J.textureFormatReadable(l))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!J.textureTypeReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(t>=0&&t<=e.width-n&&i>=0&&i<=e.height-r){$.bindFramebuffer(Me.FRAMEBUFFER,o);const e=Me.createBuffer();Me.bindBuffer(Me.PIXEL_PACK_BUFFER,e),Me.bufferData(Me.PIXEL_PACK_BUFFER,s.byteLength,Me.STREAM_READ),Me.readPixels(t,i,n,r,_e.convert(l),_e.convert(c),0);const a=null!==x?ee.get(x).__webglFramebuffer:null;$.bindFramebuffer(Me.FRAMEBUFFER,a);const h=Me.fenceSync(Me.SYNC_GPU_COMMANDS_COMPLETE,0);return Me.flush(),await function(e,t,i){return new Promise((function(n,r){setTimeout((function s(){switch(e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0)){case e.WAIT_FAILED:r();break;case e.TIMEOUT_EXPIRED:setTimeout(s,i);break;default:n()}}),i)}))}(Me,h,4),Me.bindBuffer(Me.PIXEL_PACK_BUFFER,e),Me.getBufferSubData(Me.PIXEL_PACK_BUFFER,0,s),Me.deleteBuffer(e),Me.deleteSync(h),s}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,i=0){!0!==e.isTexture&&(si("WebGLRenderer: copyFramebufferToTexture function signature has changed."),t=arguments[0]||null,e=arguments[1]);const 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t=Math.pow(2,-r);a=Math.floor(m.width*t),o=Math.floor(m.height*t),l=e.isDataArrayTexture?m.depth:e.isData3DTexture?Math.floor(m.depth*t):1,c=0,h=0,u=0}null!==n?(d=n.x,p=n.y,A=n.z):(d=0,p=0,A=0);const g=_e.convert(t.format),f=_e.convert(t.type);let b;t.isData3DTexture?(te.setTexture3D(t,0),b=Me.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(te.setTexture2DArray(t,0),b=Me.TEXTURE_2D_ARRAY):(te.setTexture2D(t,0),b=Me.TEXTURE_2D),Me.pixelStorei(Me.UNPACK_FLIP_Y_WEBGL,t.flipY),Me.pixelStorei(Me.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),Me.pixelStorei(Me.UNPACK_ALIGNMENT,t.unpackAlignment);const v=Me.getParameter(Me.UNPACK_ROW_LENGTH),y=Me.getParameter(Me.UNPACK_IMAGE_HEIGHT),_=Me.getParameter(Me.UNPACK_SKIP_PIXELS),E=Me.getParameter(Me.UNPACK_SKIP_ROWS),x=Me.getParameter(Me.UNPACK_SKIP_IMAGES);Me.pixelStorei(Me.UNPACK_ROW_LENGTH,m.width),Me.pixelStorei(Me.UNPACK_IMAGE_HEIGHT,m.height),Me.pixelStorei(Me.UNPACK_SKIP_PIXELS,c),Me.pixelStorei(Me.UNPACK_SKIP_ROWS,h),Me.pixelStorei(Me.UNPACK_SKIP_IMAGES,u);const S=e.isDataArrayTexture||e.isData3DTexture,C=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const i=ee.get(e),n=ee.get(t),m=ee.get(i.__renderTarget),g=ee.get(n.__renderTarget);$.bindFramebuffer(Me.READ_FRAMEBUFFER,m.__webglFramebuffer),$.bindFramebuffer(Me.DRAW_FRAMEBUFFER,g.__webglFramebuffer);for(let i=0;i<l;i++)S&&(Me.framebufferTextureLayer(Me.READ_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,ee.get(e).__webglTexture,r,u+i),Me.framebufferTextureLayer(Me.DRAW_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,ee.get(t).__webglTexture,s,A+i)),Me.blitFramebuffer(c,h,a,o,d,p,a,o,Me.DEPTH_BUFFER_BIT,Me.NEAREST);$.bindFramebuffer(Me.READ_FRAMEBUFFER,null),$.bindFramebuffer(Me.DRAW_FRAMEBUFFER,null)}else if(0!==r||e.isRenderTargetTexture||ee.has(e)){const i=ee.get(e),n=ee.get(t);$.bindFramebuffer(Me.READ_FRAMEBUFFER,Ze),$.bindFramebuffer(Me.DRAW_FRAMEBUFFER,et);for(let e=0;e<l;e++)S?Me.framebufferTextureLayer(Me.READ_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,i.__webglTexture,r,u+e):Me.framebufferTexture2D(Me.READ_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,Me.TEXTURE_2D,i.__webglTexture,r),C?Me.framebufferTextureLayer(Me.DRAW_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,n.__webglTexture,s,A+e):Me.framebufferTexture2D(Me.DRAW_FRAMEBUFFER,Me.COLOR_ATTACHMENT0,Me.TEXTURE_2D,n.__webglTexture,s),0!==r?Me.blitFramebuffer(c,h,a,o,d,p,a,o,Me.COLOR_BUFFER_BIT,Me.NEAREST):C?Me.copyTexSubImage3D(b,s,d,p,A+e,c,h,a,o):Me.copyTexSubImage2D(b,s,d,p,c,h,a,o);$.bindFramebuffer(Me.READ_FRAMEBUFFER,null),$.bindFramebuffer(Me.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?Me.texSubImage3D(b,s,d,p,A,a,o,l,g,f,m.data):t.isCompressedArrayTexture?Me.compressedTexSubImage3D(b,s,d,p,A,a,o,l,g,m.data):Me.texSubImage3D(b,s,d,p,A,a,o,l,g,f,m):e.isDataTexture?Me.texSubImage2D(Me.TEXTURE_2D,s,d,p,a,o,g,f,m.data):e.isCompressedTexture?Me.compressedTexSubImage2D(Me.TEXTURE_2D,s,d,p,m.width,m.height,g,m.data):Me.texSubImage2D(Me.TEXTURE_2D,s,d,p,a,o,g,f,m);Me.pixelStorei(Me.UNPACK_ROW_LENGTH,v),Me.pixelStorei(Me.UNPACK_IMAGE_HEIGHT,y),Me.pixelStorei(Me.UNPACK_SKIP_PIXELS,_),Me.pixelStorei(Me.UNPACK_SKIP_ROWS,E),Me.pixelStorei(Me.UNPACK_SKIP_IMAGES,x),0===s&&t.generateMipmaps&&Me.generateMipmap(b),$.unbindTexture()},this.copyTextureToTexture3D=function(e,t,i=null,n=null,r=0){return!0!==e.isTexture&&(si("WebGLRenderer: copyTextureToTexture3D function signature has changed."),i=arguments[0]||null,n=arguments[1]||null,e=arguments[2],t=arguments[3],r=arguments[4]||0),si('WebGLRenderer: copyTextureToTexture3D function has been deprecated. Use "copyTextureToTexture" instead.'),this.copyTextureToTexture(e,t,i,n,r)},this.initRenderTarget=function(e){void 0===ee.get(e).__webglFramebuffer&&te.setupRenderTarget(e)},this.initTexture=function(e){e.isCubeTexture?te.setTextureCube(e,0):e.isData3DTexture?te.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?te.setTexture2DArray(e,0):te.setTexture2D(e,0),$.unbindTexture()},this.resetState=function(){_=0,E=0,x=null,$.reset(),we.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Qt}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;const t=this.getContext();t.drawingBufferColorspace=ci._getDrawingBufferColorSpace(e),t.unpackColorSpace=ci._getUnpackColorSpace()}}
    29. 

  29. /**
    30. 

  30.  * @license
    31. 

  31.  * Copyright 2017 Google LLC
    32. 

  32.  * SPDX-License-Identifier: BSD-3-Clause
    33. 

  33.  */const ih=globalThis,nh=ih.trustedTypes,rh=nh?nh.createPolicy("lit-html",{createHTML:e=>e}):void 0,sh="$lit$",ah=`lit$${Math.random().toFixed(9).slice(2)}$`,oh="?"+ah,lh=`<${oh}>`,ch=document,hh=()=>ch.createComment(""),uh=e=>null===e||"object"!=typeof e&&"function"!=typeof e,dh=Array.isArray,ph="[ \t\n\f\r]",Ah=/<(?:(!--|\/[^a-zA-Z])|(\/?[a-zA-Z][^>\s]*)|(\/?$))/g,mh=/-->/g,gh=/>/g,fh=RegExp(`>|${ph}(?:([^\\s"'>=/]+)(${ph}*=${ph}*(?:[^ \t\n\f\r"'\`<>=]|("|')|))|$)`,"g"),bh=/'/g,vh=/"/g,yh=/^(?:script|style|textarea|title)$/i,_h=(e=>(t,...i)=>({_$litType$:e,strings:t,values:i}))(1),Eh=Symbol.for("lit-noChange"),xh=Symbol.for("lit-nothing"),Sh=new WeakMap,Ch=ch.createTreeWalker(ch,129);function wh(e,t){if(!dh(e)||!e.hasOwnProperty("raw"))throw Error("invalid template strings array");return void 0!==rh?rh.createHTML(t):t}const Ih=(e,t)=>{const i=e.length-1,n=[];let r,s=2===t?"<svg>":3===t?"<math>":"",a=Ah;for(let t=0;t<i;t++){const i=e[t];let o,l,c=-1,h=0;for(;h<i.length&&(a.lastIndex=h,l=a.exec(i),null!==l);)h=a.lastIndex,a===Ah?"!--"===l[1]?a=mh:void 0!==l[1]?a=gh:void 0!==l[2]?(yh.test(l[2])&&(r=RegExp("</"+l[2],"g")),a=fh):void 0!==l[3]&&(a=fh):a===fh?">"===l[0]?(a=r??Ah,c=-1):void 0===l[1]?c=-2:(c=a.lastIndex-l[2].length,o=l[1],a=void 0===l[3]?fh:'"'===l[3]?vh:bh):a===vh||a===bh?a=fh:a===mh||a===gh?a=Ah:(a=fh,r=void 0);const u=a===fh&&e[t+1].startsWith("/>")?" ":"";s+=a===Ah?i+lh:c>=0?(n.push(o),i.slice(0,c)+sh+i.slice(c)+ah+u):i+ah+(-2===c?t:u)}return[wh(e,s+(e[i]||"<?>")+(2===t?"</svg>":3===t?"</math>":"")),n]};class Mh{constructor({strings:e,_$litType$:t},i){let n;this.parts=[];let r=0,s=0;const a=e.length-1,o=this.parts,[l,c]=Ih(e,t);if(this.el=Mh.createElement(l,i),Ch.currentNode=this.el.content,2===t||3===t){const e=this.el.content.firstChild;e.replaceWith(...e.childNodes)}for(;null!==(n=Ch.nextNode())&&o.length<a;){if(1===n.nodeType){if(n.hasAttributes())for(const e of n.getAttributeNames())if(e.endsWith(sh)){const t=c[s++],i=n.getAttribute(e).split(ah),a=/([.?@])?(.*)/.exec(t);o.push({type:1,index:r,name:a[2],strings:i,ctor:"."===a[1]?Lh:"?"===a[1]?Uh:"@"===a[1]?Ph:Dh}),n.removeAttribute(e)}else e.startsWith(ah)&&(o.push({type:6,index:r}),n.removeAttribute(e));if(yh.test(n.tagName)){const e=n.textContent.split(ah),t=e.length-1;if(t>0){n.textContent=nh?nh.emptyScript:"";for(let i=0;i<t;i++)n.append(e[i],hh()),Ch.nextNode(),o.push({type:2,index:++r});n.append(e[t],hh())}}}else if(8===n.nodeType)if(n.data===oh)o.push({type:2,index:r});else{let e=-1;for(;-1!==(e=n.data.indexOf(ah,e+1));)o.push({type:7,index:r}),e+=ah.length-1}r++}}static createElement(e,t){const i=ch.createElement("template");return i.innerHTML=e,i}}function Th(e,t,i=e,n){if(t===Eh)return t;let r=void 0!==n?i._$Co?.[n]:i._$Cl;const s=uh(t)?void 0:t._$litDirective$;return r?.constructor!==s&&(r?._$AO?.(!1),void 0===s?r=void 0:(r=new s(e),r._$AT(e,i,n)),void 0!==n?(i._$Co??=[])[n]=r:i._$Cl=r),void 0!==r&&(t=Th(e,r._$AS(e,t.values),r,n)),t}class Bh{constructor(e,t){this._$AV=[],this._$AN=void 0,this._$AD=e,this._$AM=t}get parentNode(){return this._$AM.parentNode}get _$AU(){return this._$AM._$AU}u(e){const{el:{content:t},parts:i}=this._$AD,n=(e?.creationScope??ch).importNode(t,!0);Ch.currentNode=n;let r=Ch.nextNode(),s=0,a=0,o=i[0];for(;void 0!==o;){if(s===o.index){let t;2===o.type?t=new Rh(r,r.nextSibling,this,e):1===o.type?t=new o.ctor(r,o.name,o.strings,this,e):6===o.type&&(t=new Fh(r,this,e)),this._$AV.push(t),o=i[++a]}s!==o?.index&&(r=Ch.nextNode(),s++)}return Ch.currentNode=ch,n}p(e){let t=0;for(const i of this._$AV)void 0!==i&&(void 0!==i.strings?(i._$AI(e,i,t),t+=i.strings.length-2):i._$AI(e[t])),t++}}let Rh=class e{get _$AU(){return this._$AM?._$AU??this._$Cv}constructor(e,t,i,n){this.type=2,this._$AH=xh,this._$AN=void 0,this._$AA=e,this._$AB=t,this._$AM=i,this.options=n,this._$Cv=n?.isConnected??!0}get parentNode(){let e=this._$AA.parentNode;const t=this._$AM;return void 0!==t&&11===e?.nodeType&&(e=t.parentNode),e}get startNode(){return this._$AA}get endNode(){return this._$AB}_$AI(e,t=this){e=Th(this,e,t),uh(e)?e===xh||null==e||""===e?(this._$AH!==xh&&this._$AR(),this._$AH=xh):e!==this._$AH&&e!==Eh&&this._(e):void 0!==e._$litType$?this.$(e):void 0!==e.nodeType?this.T(e):(e=>dh(e)||"function"==typeof e?.[Symbol.iterator])(e)?this.k(e):this._(e)}O(e){return this._$AA.parentNode.insertBefore(e,this._$AB)}T(e){this._$AH!==e&&(this._$AR(),this._$AH=this.O(e))}_(e){this._$AH!==xh&&uh(this._$AH)?this._$AA.nextSibling.data=e:this.T(ch.createTextNode(e)),this._$AH=e}$(e){const{values:t,_$litType$:i}=e,n="number"==typeof i?this._$AC(e):(void 0===i.el&&(i.el=Mh.createElement(wh(i.h,i.h[0]),this.options)),i);if(this._$AH?._$AD===n)this._$AH.p(t);else{const e=new Bh(n,this),i=e.u(this.options);e.p(t),this.T(i),this._$AH=e}}_$AC(e){let t=Sh.get(e.strings);return void 0===t&&Sh.set(e.strings,t=new Mh(e)),t}k(t){dh(this._$AH)||(this._$AH=[],this._$AR());const i=this._$AH;let n,r=0;for(const s of t)r===i.length?i.push(n=new e(this.O(hh()),this.O(hh()),this,this.options)):n=i[r],n._$AI(s),r++;r<i.length&&(this._$AR(n&&n._$AB.nextSibling,r),i.length=r)}_$AR(e=this._$AA.nextSibling,t){for(this._$AP?.(!1,!0,t);e&&e!==this._$AB;){const t=e.nextSibling;e.remove(),e=t}}setConnected(e){void 0===this._$AM&&(this._$Cv=e,this._$AP?.(e))}};class Dh{get tagName(){return this.element.tagName}get _$AU(){return this._$AM._$AU}constructor(e,t,i,n,r){this.type=1,this._$AH=xh,this._$AN=void 0,this.element=e,this.name=t,this._$AM=n,this.options=r,i.length>2||""!==i[0]||""!==i[1]?(this._$AH=Array(i.length-1).fill(new String),this.strings=i):this._$AH=xh}_$AI(e,t=this,i,n){const r=this.strings;let s=!1;if(void 0===r)e=Th(this,e,t,0),s=!uh(e)||e!==this._$AH&&e!==Eh,s&&(this._$AH=e);else{const n=e;let a,o;for(e=r[0],a=0;a<r.length-1;a++)o=Th(this,n[i+a],t,a),o===Eh&&(o=this._$AH[a]),s||=!uh(o)||o!==this._$AH[a],o===xh?e=xh:e!==xh&&(e+=(o??"")+r[a+1]),this._$AH[a]=o}s&&!n&&this.j(e)}j(e){e===xh?this.element.removeAttribute(this.name):this.element.setAttribute(this.name,e??"")}}class Lh extends Dh{constructor(){super(...arguments),this.type=3}j(e){this.element[this.name]=e===xh?void 0:e}}let Uh=class extends Dh{constructor(){super(...arguments),this.type=4}j(e){this.element.toggleAttribute(this.name,!!e&&e!==xh)}};class Ph extends Dh{constructor(e,t,i,n,r){super(e,t,i,n,r),this.type=5}_$AI(e,t=this){if((e=Th(this,e,t,0)??xh)===Eh)return;const i=this._$AH,n=e===xh&&i!==xh||e.capture!==i.capture||e.once!==i.once||e.passive!==i.passive,r=e!==xh&&(i===xh||n);n&&this.element.removeEventListener(this.name,this,i),r&&this.element.addEventListener(this.name,this,e),this._$AH=e}handleEvent(e){"function"==typeof this._$AH?this._$AH.call(this.options?.host??this.element,e):this._$AH.handleEvent(e)}}class Fh{constructor(e,t,i){this.element=e,this.type=6,this._$AN=void 0,this._$AM=t,this.options=i}get _$AU(){return this._$AM._$AU}_$AI(e){Th(this,e)}}const Nh=ih.litHtmlPolyfillSupport;Nh?.(Mh,Rh),(ih.litHtmlVersions??=[]).push("3.2.1");const Qh=(e,t,i)=>{const n=i?.renderBefore??t;let r=n._$litPart$;if(void 0===r){const e=i?.renderBefore??null;n._$litPart$=r=new Rh(t.insertBefore(hh(),e),e,void 0,i??{})}return r._$AI(e),r
    34. 

  34. /**
    35. 

  35.  * @license
    36. 

  36.  * Copyright 2017 Google LLC
    37. 

  37.  * SPDX-License-Identifier: BSD-3-Clause
    38. 

  38.  */};class kh extends y{constructor(){super(...arguments),this.renderOptions={host:this},this._$Do=void 0}createRenderRoot(){const e=super.createRenderRoot();return this.renderOptions.renderBefore??=e.firstChild,e}update(e){const t=this.render();this.hasUpdated||(this.renderOptions.isConnected=this.isConnected),super.update(e),this._$Do=Qh(t,this.renderRoot,this.renderOptions)}connectedCallback(){super.connectedCallback(),this._$Do?.setConnected(!0)}disconnectedCallback(){super.disconnectedCallback(),this._$Do?.setConnected(!1)}render(){return Eh}}kh._$litElement$=!0,kh.finalized=!0,globalThis.litElementHydrateSupport?.({LitElement:kh});const Oh=globalThis.litElementPolyfillSupport;Oh?.({LitElement:kh}),(globalThis.litElementVersions??=[]).push("4.1.1");
    39. 

  39. /* @license
    40. 

  40.  * Copyright 2019 Google LLC. All Rights Reserved.
    41. 

  41.  * Licensed under the Apache License, Version 2.0 (the 'License');
    42. 

  42.  * you may not use this file except in compliance with the License.
    43. 

  43.  * You may obtain a copy of the License at
    44. 

  44.  *
    45. 

  45.  *     http://www.apache.org/licenses/LICENSE-2.0
    46. 

  46.  *
    47. 

  47.  * Unless required by applicable law or agreed to in writing, software
    48. 

  48.  * distributed under the License is distributed on an 'AS IS' BASIS,
    49. 

  49.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    50. 

  50.  * See the License for the specific language governing permissions and
    51. 

  51.  * limitations under the License.
    52. 

  52.  */
    53. 

  53. const Gh=null!=navigator.xr&&null!=self.XRSession&&null!=navigator.xr.isSessionSupported,Hh=Gh&&null!=self.XRSession.prototype.requestHitTestSource,zh=null!=self.ResizeObserver,Vh=null!=self.IntersectionObserver,Wh=Hh;(()=>{const e=navigator.userAgent||navigator.vendor||self.opera;let t=!1;(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(e)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(e.substr(0,4)))&&(t=!0)})();const qh=/android/i.test(navigator.userAgent),jh=/iPad|iPhone|iPod/.test(navigator.userAgent)&&!self.MSStream||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,Xh=/firefox/i.test(navigator.userAgent),Yh=/OculusBrowser/.test(navigator.userAgent),Kh=qh&&!Xh&&!Yh,Jh=Boolean(window.webkit&&window.webkit.messageHandlers),$h=(()=>{if(jh){if(Jh)return Boolean(/CriOS\/|EdgiOS\/|FxiOS\/|GSA\/|DuckDuckGo\//.test(navigator.userAgent));{const e=document.createElement("a");return Boolean(e.relList&&e.relList.supports&&e.relList.supports("ar"))}}return!1})(),Zh=e=>e&&"null"!==e?tu(e):null,eu=()=>{if(Wh)return;const e=[];throw Gh||e.push("WebXR Device API"),Hh||e.push("WebXR Hit Test API"),new Error(`The following APIs are required for AR, but are missing in this browser: ${e.join(", ")}`)},tu=e=>new URL(e,window.location.toString()).toString(),iu=(e,t)=>{let i=null;return(...n)=>{null!=i&&self.clearTimeout(i),i=self.setTimeout((()=>{i=null,e(...n)}),t)}},nu=(e,t,i)=>Math.max(t,Math.min(i,e)),ru=(()=>{const e=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(e)})();
    54. 

  54. /* @license
    55. 

  55.  * Copyright 2019 Google LLC. All Rights Reserved.
    56. 

  56.  * Licensed under the Apache License, Version 2.0 (the 'License');
    57. 

  57.  * you may not use this file except in compliance with the License.
    58. 

  58.  * You may obtain a copy of the License at
    59. 

  59.  *
    60. 

  60.  *     http://www.apache.org/licenses/LICENSE-2.0
    61. 

  61.  *
    62. 

  62.  * Unless required by applicable law or agreed to in writing, software
    63. 

  63.  * distributed under the License is distributed on an 'AS IS' BASIS,
    64. 

  64.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    65. 

  65.  * See the License for the specific language governing permissions and
    66. 

  66.  * limitations under the License.
    67. 

  67.  */
    68. 

  68. var su=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const au=Symbol("currentEnvironmentMap"),ou=Symbol("currentBackground"),lu=Symbol("updateEnvironment"),cu=Symbol("cancelEnvironmentUpdate");
    69. 

  69. /* @license
    70. 

  70.  * Copyright 2019 Google LLC. All Rights Reserved.
    71. 

  71.  * Licensed under the Apache License, Version 2.0 (the 'License');
    72. 

  72.  * you may not use this file except in compliance with the License.
    73. 

  73.  * You may obtain a copy of the License at
    74. 

  74.  *
    75. 

  75.  *     http://www.apache.org/licenses/LICENSE-2.0
    76. 

  76.  *
    77. 

  77.  * Unless required by applicable law or agreed to in writing, software
    78. 

  78.  * distributed under the License is distributed on an 'AS IS' BASIS,
    79. 

  79.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    80. 

  80.  * See the License for the specific language governing permissions and
    81. 

  81.  * limitations under the License.
    82. 

  82.  */
    83. 

  83. const hu=_h`
    84. 

  84. <style>
    85. 

  85. :host {
    86. 

  86.   display: block;
    87. 

  87.   position: relative;
    88. 

  88.   contain: strict;
    89. 

  89.   width: 300px;
    90. 

  90.   height: 150px;
    91. 

  91. }
    92. 

  92. 

  93. .container {
    94. 

  94.   position: relative;
    95. 

  95.   overflow: hidden;
    96. 

  96. }
    97. 

  97. 

  98. .userInput {
    99. 

  99.   width: 100%;
    100. 

  100.   height: 100%;
    101. 

  101.   display: none;
    102. 

  102.   position: relative;
    103. 

  103.   outline-offset: -1px;
    104. 

  104.   outline-width: 1px;
    105. 

  105. }
    106. 

  106. 

  107. canvas {
    108. 

  108.   position: absolute;
    109. 

  109.   display: none;
    110. 

  110.   pointer-events: none;
    111. 

  111.   /* NOTE(cdata): Chrome 76 and below apparently have a bug
    112. 

  112.    * that causes our canvas not to display pixels unless it is
    113. 

  113.    * on its own render layer
    114. 

  114.    * @see https://github.com/google/model-viewer/pull/755#issuecomment-536597893
    115. 

  115.    */
    116. 

  116.   transform: translateZ(0);
    117. 

  117. }
    118. 

  118. 

  119. .show {
    120. 

  120.   display: block;
    121. 

  121. }
    122. 

  122. 

  123. /* Adapted from HTML5 Boilerplate
    124. 

  124.  *
    125. 

  125.  * @see https://github.com/h5bp/html5-boilerplate/blob/ceb4620c78fc82e13534fc44202a3f168754873f/dist/css/main.css#L122-L133 */
    126. 

  126. .screen-reader-only {
    127. 

  127.   border: 0;
    128. 

  128.   left: 0;
    129. 

  129.   top: 0;
    130. 

  130.   clip: rect(0, 0, 0, 0);
    131. 

  131.   height: 1px;
    132. 

  132.   margin: -1px;
    133. 

  133.   overflow: hidden;
    134. 

  134.   padding: 0;
    135. 

  135.   position: absolute;
    136. 

  136.   white-space: nowrap;
    137. 

  137.   width: 1px;
    138. 

  138.   pointer-events: none;
    139. 

  139. }
    140. 

  140. 

  141. .slot {
    142. 

  142.   position: absolute;
    143. 

  143.   pointer-events: none;
    144. 

  144.   top: 0;
    145. 

  145.   left: 0;
    146. 

  146.   width: 100%;
    147. 

  147.   height: 100%;
    148. 

  148. }
    149. 

  149. 

  150. .slot > * {
    151. 

  151.   pointer-events: initial;
    152. 

  152. }
    153. 

  153. 

  154. .annotation-wrapper ::slotted(*) {
    155. 

  155.   opacity: var(--max-hotspot-opacity, 1);
    156. 

  156.   transition: opacity 0.3s;
    157. 

  157. }
    158. 

  158. 

  159. .pointer-tumbling .annotation-wrapper ::slotted(*) {
    160. 

  160.   pointer-events: none;
    161. 

  161. }
    162. 

  162. 

  163. .annotation-wrapper ::slotted(*) {
    164. 

  164.   pointer-events: initial;
    165. 

  165. }
    166. 

  166. 

  167. .annotation-wrapper.hide ::slotted(*) {
    168. 

  168.   opacity: var(--min-hotspot-opacity, 0.25);
    169. 

  169. }
    170. 

  170. 

  171. .slot.poster {
    172. 

  172.   display: none;
    173. 

  173.   background-color: inherit;
    174. 

  174. }
    175. 

  175. 

  176. .slot.poster.show {
    177. 

  177.   display: inherit;
    178. 

  178. }
    179. 

  179. 

  180. .slot.poster > * {
    181. 

  181.   pointer-events: initial;
    182. 

  182. }
    183. 

  183. 

  184. .slot.poster:not(.show) > * {
    185. 

  185.   pointer-events: none;
    186. 

  186. }
    187. 

  187. 

  188. #default-poster {
    189. 

  189.   width: 100%;
    190. 

  190.   height: 100%;
    191. 

  191.   /* The default poster is a <button> so we need to set display
    192. 

  192.    * to prevent it from being affected by text-align: */
    193. 

  193.   display: block;
    194. 

  194.   position: absolute;
    195. 

  195.   border: none;
    196. 

  196.   padding: 0;
    197. 

  197.   background-size: contain;
    198. 

  198.   background-repeat: no-repeat;
    199. 

  199.   background-position: center;
    200. 

  200.   background-color: #fff0;
    201. 

  201. }
    202. 

  202. 

  203. #default-progress-bar {
    204. 

  204.   display: block;
    205. 

  205.   position: relative;
    206. 

  206.   width: 100%;
    207. 

  207.   height: 100%;
    208. 

  208.   pointer-events: none;
    209. 

  209.   overflow: hidden;
    210. 

  210. }
    211. 

  211. 

  212. #default-progress-bar > .bar {
    213. 

  213.   position: absolute;
    214. 

  214.   top: 0;
    215. 

  215.   left: 0;
    216. 

  216.   width: 100%;
    217. 

  217.   height: var(--progress-bar-height, 5px);
    218. 

  218.   background-color: var(--progress-bar-color, rgba(0, 0, 0, 0.4));
    219. 

  219.   transition: transform 0.09s;
    220. 

  220.   transform-origin: top left;
    221. 

  221.   transform: scaleX(0);
    222. 

  222.   overflow: hidden;
    223. 

  223. }
    224. 

  224. 

  225. #default-progress-bar > .bar.hide {
    226. 

  226.   transition: opacity 0.3s 1s;
    227. 

  227.   opacity: 0;
    228. 

  228. }
    229. 

  229. 

  230. .centered {
    231. 

  231.   align-items: center;
    232. 

  232.   justify-content: center;
    233. 

  233. }
    234. 

  234. 

  235. .cover {
    236. 

  236.   position: absolute;
    237. 

  237.   top: 0;
    238. 

  238.   left: 0;
    239. 

  239.   width: 100%;
    240. 

  240.   height: 100%;
    241. 

  241.   pointer-events: none;
    242. 

  242. }
    243. 

  243. 

  244. .slot.interaction-prompt {
    245. 

  245.   display: var(--interaction-prompt-display, flex);
    246. 

  246.   overflow: hidden;
    247. 

  247.   opacity: 0;
    248. 

  248.   will-change: opacity;
    249. 

  249.   transition: opacity 0.3s;
    250. 

  250. }
    251. 

  251. 

  252. .slot.interaction-prompt.visible {
    253. 

  253.   opacity: 1;
    254. 

  254. }
    255. 

  255. 

  256. .animated-container {
    257. 

  257.   will-change: transform, opacity;
    258. 

  258.   opacity: 0;
    259. 

  259.   transition: opacity 0.3s;
    260. 

  260. }
    261. 

  261. 

  262. .slot.interaction-prompt > * {
    263. 

  263.   pointer-events: none;
    264. 

  264. }
    265. 

  265. 

  266. .slot.ar-button {
    267. 

  267.   -moz-user-select: none;
    268. 

  268.   -webkit-tap-highlight-color: transparent;
    269. 

  269.   user-select: none;
    270. 

  270. 

  271.   display: var(--ar-button-display, block);
    272. 

  272. }
    273. 

  273. 

  274. .slot.ar-button:not(.enabled) {
    275. 

  275.   display: none;
    276. 

  276. }
    277. 

  277. 

  278. .fab {
    279. 

  279.   display: flex;
    280. 

  280.   align-items: center;
    281. 

  281.   justify-content: center;
    282. 

  282.   box-sizing: border-box;
    283. 

  283.   width: 40px;
    284. 

  284.   height: 40px;
    285. 

  285.   cursor: pointer;
    286. 

  286.   background-color: #fff;
    287. 

  287.   box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15);
    288. 

  288.   border-radius: 100px;
    289. 

  289. }
    290. 

  290. 

  291. .fab > * {
    292. 

  292.   opacity: 0.87;
    293. 

  293. }
    294. 

  294. 

  295. #default-ar-button {
    296. 

  296.   position: absolute;
    297. 

  297.   bottom: 16px;
    298. 

  298.   right: 16px;
    299. 

  299.   transform: scale(var(--ar-button-scale, 1));
    300. 

  300.   transform-origin: bottom right;
    301. 

  301. }
    302. 

  302. 

  303. .slot.pan-target {
    304. 

  304.   display: block;
    305. 

  305.   position: absolute;
    306. 

  306.   width: 0;
    307. 

  307.   height: 0;
    308. 

  308.   left: 50%;
    309. 

  309.   top: 50%;
    310. 

  310.   transform: translate3d(-50%, -50%, 0);
    311. 

  311.   background-color: transparent;
    312. 

  312.   opacity: 0;
    313. 

  313.   transition: opacity 0.3s;
    314. 

  314. }
    315. 

  315. 

  316. #default-pan-target {
    317. 

  317.   width: 6px;
    318. 

  318.   height: 6px;
    319. 

  319.   border-radius: 6px;
    320. 

  320.   border: 1px solid white;
    321. 

  321.   box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.8);
    322. 

  322. }
    323. 

  323. 

  324. .slot.default {
    325. 

  325.   pointer-events: none;
    326. 

  326. }
    327. 

  327. 

  328. .slot.progress-bar {
    329. 

  329.   pointer-events: none;
    330. 

  330. }
    331. 

  331. 

  332. .slot.exit-webxr-ar-button {
    333. 

  333.   pointer-events: none;
    334. 

  334. }
    335. 

  335. 

  336. .slot.exit-webxr-ar-button:not(.enabled) {
    337. 

  337.   display: none;
    338. 

  338. }
    339. 

  339. 

  340. #default-exit-webxr-ar-button {
    341. 

  341.   display: flex;
    342. 

  342.   align-items: center;
    343. 

  343.   justify-content: center;
    344. 

  344.   position: absolute;
    345. 

  345.   top: env(safe-area-inset-top, 16px);
    346. 

  346.   right: 16px;
    347. 

  347.   width: 40px;
    348. 

  348.   height: 40px;
    349. 

  349.   box-sizing: border-box;
    350. 

  350. }
    351. 

  351. 

  352. #default-exit-webxr-ar-button > svg {
    353. 

  353.   fill: #fff;
    354. 

  354. }
    355. 

  355. </style>
    356. 

  356. <div class="container">
    357. 

  357.   <div class="userInput" tabindex="0" role="img"
    358. 

  358.       aria-label="3D model">
    359. 

  359.       <div class="slot canvas">
    360. 

  360.         <slot name="canvas">
    361. 

  361.           <canvas></canvas>
    362. 

  362.         </slot>
    363. 

  363.       </div>
    364. 

  364. 

  365.   </div>
    366. 

  366. 

  367.   <!-- NOTE(cdata): We need to wrap slots because browsers without ShadowDOM
    368. 

  368.         will have their <slot> elements removed by ShadyCSS -->
    369. 

  369.   <div class="slot poster">
    370. 

  370.     <slot name="poster">
    371. 

  371.       <button type="button" id="default-poster" aria-hidden="true" aria-label="Loading 3D model"></button>
    372. 

  372.     </slot>
    373. 

  373.   </div>
    374. 

  374. 

  375.   <div class="slot ar-button">
    376. 

  376.     <slot name="ar-button">
    377. 

  377.       <a id="default-ar-button" part="default-ar-button" class="fab"
    378. 

  378.           tabindex="2"
    379. 

  379.           role="button"
    380. 

  380.           href="javascript:void(0);"
    381. 

  381.           aria-label="View in your space">
    382. 

  382.         ${_h`
    383. 

  383. <svg version="1.1" id="view_x5F_in_x5F_AR_x5F_icon"
    384. 

  384. 	 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="24px" height="24px"
    385. 

  385. 	 viewBox="0 0 24 24" enable-background="new 0 0 24 24" xml:space="preserve">
    386. 

  386. <rect id="Bounding_Box" x="0" y="0" fill="none" width="24" height="24"/>
    387. 

  387. <g id="Art_layer">
    388. 

  388. 	<path d="M3,4c0-0.55,0.45-1,1-1h2V1H4C2.35,1,1,2.35,1,4v2h2V4z"/>
    389. 

  389. 	<path d="M20,3c0.55,0,1,0.45,1,1v2h2V4c0-1.65-1.35-3-3-3h-2v2H20z"/>
    390. 

  390. 	<path d="M4,21c-0.55,0-1-0.45-1-1v-2H1v2c0,1.65,1.35,3,3,3h2v-2H4z"/>
    391. 

  391. 	<path d="M20,21c0.55,0,1-0.45,1-1v-2h2v2c0,1.65-1.35,3-3,3h-2v-2H20z"/>
    392. 

  392. 	<g>
    393. 

  393. 		<path d="M18.25,7.6l-5.5-3.18c-0.46-0.27-1.04-0.27-1.5,0L5.75,7.6C5.29,7.87,5,8.36,5,8.9v6.35c0,0.54,0.29,1.03,0.75,1.3
    394. 

  394. 			l5.5,3.18c0.46,0.27,1.04,0.27,1.5,0l5.5-3.18c0.46-0.27,0.75-0.76,0.75-1.3V8.9C19,8.36,18.71,7.87,18.25,7.6z M7,14.96v-4.62
    395. 

  395. 			l4,2.32v4.61L7,14.96z M12,10.93L8,8.61l4-2.31l4,2.31L12,10.93z M13,17.27v-4.61l4-2.32v4.62L13,17.27z"/>
    396. 

  396. 	</g>
    397. 

  397. </g>
    398. 

  398. </svg>`}
    399. 

  399.       </a>
    400. 

  400.     </slot>
    401. 

  401.   </div>
    402. 

  402. 

  403.   <div class="slot pan-target">
    404. 

  404.     <slot name="pan-target">
    405. 

  405.       <div id="default-pan-target">
    406. 

  406.       </div>
    407. 

  407.     </slot>
    408. 

  408.   </div>
    409. 

  409. 

  410.   <div class="slot interaction-prompt cover centered">
    411. 

  411.     <div id="prompt" class="animated-container">
    412. 

  412.       <slot name="interaction-prompt" aria-hidden="true">
    413. 

  413.         ${_h`
    414. 

  414. <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="25" height="36">
    415. 

  415.     <defs>
    416. 

  416.         <path id="A" d="M.001.232h24.997V36H.001z" />
    417. 

  417.     </defs>
    418. 

  418.     <g transform="translate(-11 -4)" fill="none" fill-rule="evenodd">
    419. 

  419.         <path fill-opacity="0" fill="#fff" d="M0 0h44v44H0z" />
    420. 

  420.         <g transform="translate(11 3)">
    421. 

  421.             <path d="M8.733 11.165c.04-1.108.766-2.027 1.743-2.307a2.54 2.54 0 0 1 .628-.089c.16 0 .314.017.463.044 1.088.2 1.9 1.092 1.9 2.16v8.88h1.26c2.943-1.39 5-4.45 5-8.025a9.01 9.01 0 0 0-1.9-5.56l-.43-.5c-.765-.838-1.683-1.522-2.712-2-1.057-.49-2.226-.77-3.46-.77s-2.4.278-3.46.77c-1.03.478-1.947 1.162-2.71 2l-.43.5a9.01 9.01 0 0 0-1.9 5.56 9.04 9.04 0 0 0 .094 1.305c.03.21.088.41.13.617l.136.624c.083.286.196.56.305.832l.124.333a8.78 8.78 0 0 0 .509.953l.065.122a8.69 8.69 0 0 0 3.521 3.191l1.11.537v-9.178z" fill-opacity=".5" fill="#e4e4e4" />
    422. 

  422.             <path d="M22.94 26.218l-2.76 7.74c-.172.485-.676.8-1.253.8H12.24c-1.606 0-3.092-.68-3.98-1.82-1.592-2.048-3.647-3.822-6.11-5.27-.095-.055-.15-.137-.152-.23-.004-.1.046-.196.193-.297.56-.393 1.234-.6 1.926-.6a3.43 3.43 0 0 1 .691.069l4.922.994V10.972c0-.663.615-1.203 1.37-1.203s1.373.54 1.373 1.203v9.882h2.953c.273 0 .533.073.757.21l6.257 3.874c.027.017.045.042.07.06.41.296.586.77.426 1.22M4.1 16.614c-.024-.04-.042-.083-.065-.122a8.69 8.69 0 0 1-.509-.953c-.048-.107-.08-.223-.124-.333l-.305-.832c-.058-.202-.09-.416-.136-.624l-.13-.617a9.03 9.03 0 0 1-.094-1.305c0-2.107.714-4.04 1.9-5.56l.43-.5c.764-.84 1.682-1.523 2.71-2 1.058-.49 2.226-.77 3.46-.77s2.402.28 3.46.77c1.03.477 1.947 1.16 2.712 2l.428.5a9 9 0 0 1 1.901 5.559c0 3.577-2.056 6.636-5 8.026h-1.26v-8.882c0-1.067-.822-1.96-1.9-2.16-.15-.028-.304-.044-.463-.044-.22 0-.427.037-.628.09-.977.28-1.703 1.198-1.743 2.306v9.178l-1.11-.537C6.18 19.098 4.96 18 4.1 16.614M22.97 24.09l-6.256-3.874c-.102-.063-.218-.098-.33-.144 2.683-1.8 4.354-4.855 4.354-8.243 0-.486-.037-.964-.104-1.43a9.97 9.97 0 0 0-1.57-4.128l-.295-.408-.066-.092a10.05 10.05 0 0 0-.949-1.078c-.342-.334-.708-.643-1.094-.922-1.155-.834-2.492-1.412-3.94-1.65l-.732-.088-.748-.03a9.29 9.29 0 0 0-1.482.119c-1.447.238-2.786.816-3.94 1.65a9.33 9.33 0 0 0-.813.686 9.59 9.59 0 0 0-.845.877l-.385.437-.36.5-.288.468-.418.778-.04.09c-.593 1.28-.93 2.71-.93 4.222 0 3.832 2.182 7.342 5.56 8.938l1.437.68v4.946L5 25.64a4.44 4.44 0 0 0-.888-.086c-.017 0-.034.003-.05.003-.252.004-.503.033-.75.08a5.08 5.08 0 0 0-.237.056c-.193.046-.382.107-.568.18-.075.03-.15.057-.225.1-.25.114-.494.244-.723.405a1.31 1.31 0 0 0-.566 1.122 1.28 1.28 0 0 0 .645 1.051C4 29.925 5.96 31.614 7.473 33.563a5.06 5.06 0 0 0 .434.491c1.086 1.082 2.656 1.713 4.326 1.715h6.697c.748-.001 1.43-.333 1.858-.872.142-.18.256-.38.336-.602l2.757-7.74c.094-.26.13-.53.112-.794s-.088-.52-.203-.76a2.19 2.19 0 0 0-.821-.91" fill-opacity=".6" fill="#000" />
    423. 

  423.             <path d="M22.444 24.94l-6.257-3.874a1.45 1.45 0 0 0-.757-.211h-2.953v-9.88c0-.663-.616-1.203-1.373-1.203s-1.37.54-1.37 1.203v16.643l-4.922-.994a3.44 3.44 0 0 0-.692-.069 3.35 3.35 0 0 0-1.925.598c-.147.102-.198.198-.194.298.004.094.058.176.153.23 2.462 1.448 4.517 3.22 6.11 5.27.887 1.14 2.373 1.82 3.98 1.82h6.686c.577 0 1.08-.326 1.253-.8l2.76-7.74c.16-.448-.017-.923-.426-1.22-.025-.02-.043-.043-.07-.06z" fill="#fff" />
    424. 

  424.             <g transform="translate(0 .769)">
    425. 

  425.                 <mask id="B" fill="#fff">
    426. 

  426.                     <use xlink:href="#A" />
    427. 

  427.                 </mask>
    428. 

  428.                 <path d="M23.993 24.992a1.96 1.96 0 0 1-.111.794l-2.758 7.74c-.08.22-.194.423-.336.602-.427.54-1.11.87-1.857.872h-6.698c-1.67-.002-3.24-.633-4.326-1.715-.154-.154-.3-.318-.434-.49C5.96 30.846 4 29.157 1.646 27.773c-.385-.225-.626-.618-.645-1.05a1.31 1.31 0 0 1 .566-1.122 4.56 4.56 0 0 1 .723-.405l.225-.1a4.3 4.3 0 0 1 .568-.18l.237-.056c.248-.046.5-.075.75-.08.018 0 .034-.003.05-.003.303-.001.597.027.89.086l3.722.752V20.68l-1.436-.68c-3.377-1.596-5.56-5.106-5.56-8.938 0-1.51.336-2.94.93-4.222.015-.03.025-.06.04-.09.127-.267.268-.525.418-.778.093-.16.186-.316.288-.468.063-.095.133-.186.2-.277L3.773 5c.118-.155.26-.29.385-.437.266-.3.544-.604.845-.877a9.33 9.33 0 0 1 .813-.686C6.97 2.167 8.31 1.59 9.757 1.35a9.27 9.27 0 0 1 1.481-.119 8.82 8.82 0 0 1 .748.031c.247.02.49.05.733.088 1.448.238 2.786.816 3.94 1.65.387.28.752.588 1.094.922a9.94 9.94 0 0 1 .949 1.078l.066.092c.102.133.203.268.295.408a9.97 9.97 0 0 1 1.571 4.128c.066.467.103.945.103 1.43 0 3.388-1.67 6.453-4.353 8.243.11.046.227.08.33.144l6.256 3.874c.37.23.645.55.82.9.115.24.185.498.203.76m.697-1.195c-.265-.55-.677-1.007-1.194-1.326l-5.323-3.297c2.255-2.037 3.564-4.97 3.564-8.114 0-2.19-.637-4.304-1.84-6.114-.126-.188-.26-.37-.4-.552-.645-.848-1.402-1.6-2.252-2.204C15.472.91 13.393.232 11.238.232A10.21 10.21 0 0 0 5.23 2.19c-.848.614-1.606 1.356-2.253 2.205-.136.18-.272.363-.398.55C1.374 6.756.737 8.87.737 11.06c0 4.218 2.407 8.08 6.133 9.842l.863.41v3.092l-2.525-.51c-.356-.07-.717-.106-1.076-.106a5.45 5.45 0 0 0-3.14.996c-.653.46-1.022 1.202-.99 1.983a2.28 2.28 0 0 0 1.138 1.872c2.24 1.318 4.106 2.923 5.543 4.772 1.26 1.62 3.333 2.59 5.55 2.592h6.698c1.42-.001 2.68-.86 3.134-2.138l2.76-7.74c.272-.757.224-1.584-.134-2.325" fill-opacity=".05" fill="#000" mask="url(#B)" />
    429. 

  429.             </g>
    430. 

  430.         </g>
    431. 

  431.     </g>
    432. 

  432. </svg>`
    433. 

  433. /* @license
    434. 

  434.  * Copyright 2019 Google LLC. All Rights Reserved.
    435. 

  435.  * Licensed under the Apache License, Version 2.0 (the 'License');
    436. 

  436.  * you may not use this file except in compliance with the License.
    437. 

  437.  * You may obtain a copy of the License at
    438. 

  438.  *
    439. 

  439.  *     http://www.apache.org/licenses/LICENSE-2.0
    440. 

  440.  *
    441. 

  441.  * Unless required by applicable law or agreed to in writing, software
    442. 

  442.  * distributed under the License is distributed on an 'AS IS' BASIS,
    443. 

  443.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    444. 

  444.  * See the License for the specific language governing permissions and
    445. 

  445.  * limitations under the License.
    446. 

  446.  */}
    447. 

  447.       </slot>
    448. 

  448.     </div>
    449. 

  449.   </div>
    450. 

  450. 

  451.   <div id="finger0" class="animated-container cover">
    452. 

  452.     <slot name="finger0" aria-hidden="true">
    453. 

  453.     </slot>
    454. 

  454.   </div>
    455. 

  455.   <div id="finger1" class="animated-container cover">
    456. 

  456.     <slot name="finger1" aria-hidden="true">
    457. 

  457.     </slot>
    458. 

  458.   </div>
    459. 

  459. 

  460.   <div class="slot default">
    461. 

  461.     <slot></slot>
    462. 

  462. 

  463.     <div class="slot progress-bar">
    464. 

  464.       <slot name="progress-bar">
    465. 

  465.         <div id="default-progress-bar" aria-hidden="true">
    466. 

  466.           <div class="bar" part="default-progress-bar"></div>
    467. 

  467.         </div>
    468. 

  468.       </slot>
    469. 

  469.     </div>
    470. 

  470. 

  471.     <div class="slot exit-webxr-ar-button">
    472. 

  472.       <slot name="exit-webxr-ar-button">
    473. 

  473.         <a id="default-exit-webxr-ar-button" part="default-exit-webxr-ar-button"
    474. 

  474.             tabindex="3"
    475. 

  475.             aria-label="Exit AR"
    476. 

  476.             aria-hidden="true">
    477. 

  477.           ${_h`
    478. 

  478. <svg xmlns="http://www.w3.org/2000/svg" width="24px" height="24px" viewBox="0 0 24 24" fill="#000000">
    479. 

  479.     <!-- NOTE(cdata): This SVG filter is a stop-gap until we can implement
    480. 

  480.          support for dynamic re-coloring of UI components -->
    481. 

  481.     <defs>
    482. 

  482.       <filter id="drop-shadow" x="-100%" y="-100%" width="300%" height="300%">
    483. 

  483.         <feGaussianBlur in="SourceAlpha" stdDeviation="1"/>
    484. 

  484.         <feOffset dx="0" dy="0" result="offsetblur"/>
    485. 

  485.         <feFlood flood-color="#000000"/>
    486. 

  486.         <feComposite in2="offsetblur" operator="in"/>
    487. 

  487.         <feMerge>
    488. 

  488.           <feMergeNode/>
    489. 

  489.           <feMergeNode in="SourceGraphic"/>
    490. 

  490.         </feMerge>
    491. 

  491.       </filter>
    492. 

  492.     </defs>
    493. 

  493.     <path filter="url(#drop-shadow)" d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/>
    494. 

  494.     <path d="M0 0h24v24H0z" fill="none"/>
    495. 

  495. </svg>`
    496. 

  496. /* @license
    497. 

  497.  * Copyright 2019 Google LLC. All Rights Reserved.
    498. 

  498.  * Licensed under the Apache License, Version 2.0 (the 'License');
    499. 

  499.  * you may not use this file except in compliance with the License.
    500. 

  500.  * You may obtain a copy of the License at
    501. 

  501.  *
    502. 

  502.  *     http://www.apache.org/licenses/LICENSE-2.0
    503. 

  503.  *
    504. 

  504.  * Unless required by applicable law or agreed to in writing, software
    505. 

  505.  * distributed under the License is distributed on an 'AS IS' BASIS,
    506. 

  506.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    507. 

  507.  * See the License for the specific language governing permissions and
    508. 

  508.  * limitations under the License.
    509. 

  509.  */}
    510. 

  510.         </a>
    511. 

  511.       </slot>
    512. 

  512.     </div>
    513. 

  513.   </div>
    514. 

  514. </div>
    515. 

  515. <div class="screen-reader-only" role="region" aria-label="Live announcements">
    516. 

  516.   <span id="status" role="status"></span>
    517. 

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Promise((function(t){e.onModuleLoaded=function(e){t({draco:e})},DracoDecoderModule(e)}));break;case"decode":const n=r.buffer,s=r.taskConfig;t.then((e=>{const t=e.draco,a=new t.Decoder;try{const e=function(e,t,n,r){const s=r.attributeIDs,a=r.attributeTypes;let o,l;const c=t.GetEncodedGeometryType(n);if(c===e.TRIANGULAR_MESH)o=new e.Mesh,l=t.DecodeArrayToMesh(n,n.byteLength,o);else{if(c!==e.POINT_CLOUD)throw new Error("THREE.DRACOLoader: Unexpected geometry type.");o=new e.PointCloud,l=t.DecodeArrayToPointCloud(n,n.byteLength,o)}if(!l.ok()||0===o.ptr)throw new Error("THREE.DRACOLoader: Decoding failed: "+l.error_msg());const h={index:null,attributes:[]};for(const n in s){const l=self[a[n]];let c,u;if(r.useUniqueIDs)u=s[n],c=t.GetAttributeByUniqueId(o,u);else{if(u=t.GetAttributeId(o,e[s[n]]),-1===u)continue;c=t.GetAttribute(o,u)}const d=i(e,t,o,n,l,c);"color"===n&&(d.vertexColorSpace=r.vertexColorSpace),h.attributes.push(d)}c===e.TRIANGULAR_MESH&&(h.index=function(e,t,i){const n=i.num_faces(),r=3*n,s=4*r,a=e._malloc(s);t.GetTrianglesUInt32Array(i,s,a);const o=new Uint32Array(e.HEAPF32.buffer,a,r).slice();return e._free(a),{array:o,itemSize:1}}(e,t,o));return e.destroy(o),h}(t,a,new Int8Array(n),s),o=e.attributes.map((e=>e.array.buffer));e.index&&o.push(e.index.array.buffer),self.postMessage({type:"decode",id:r.id,geometry:e},o)}catch(e){console.error(e),self.postMessage({type:"error",id:r.id,error:e.message})}finally{t.destroy(a)}}))}}}function Au(e,t){if(0===t)return console.warn("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles."),e;if(2===t||1===t){let i=e.getIndex();if(null===i){const t=[],n=e.getAttribute("position");if(void 0===n)return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),e;for(let e=0;e<n.count;e++)t.push(e);e.setIndex(t),i=e.getIndex()}const n=i.count-2,r=[];if(2===t)for(let e=1;e<=n;e++)r.push(i.getX(0)),r.push(i.getX(e)),r.push(i.getX(e+1));else for(let e=0;e<n;e++)e%2==0?(r.push(i.getX(e)),r.push(i.getX(e+1)),r.push(i.getX(e+2))):(r.push(i.getX(e+2)),r.push(i.getX(e+1)),r.push(i.getX(e)));r.length/3!==n&&console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const s=e.clone();return s.setIndex(r),s.clearGroups(),s}return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:",t),e}class mu extends Ta{constructor(e){super(e),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(e){return new _u(e)})),this.register((function(e){return new Eu(e)})),this.register((function(e){return new Ru(e)})),this.register((function(e){return new Du(e)})),this.register((function(e){return new Lu(e)})),this.register((function(e){return new Su(e)})),this.register((function(e){return new Cu(e)})),this.register((function(e){return new wu(e)})),this.register((function(e){return new Iu(e)})),this.register((function(e){return new yu(e)})),this.register((function(e){return new Mu(e)})),this.register((function(e){return new xu(e)})),this.register((function(e){return new Bu(e)})),this.register((function(e){return new Tu(e)})),this.register((function(e){return new bu(e)})),this.register((function(e){return new Uu(e)})),this.register((function(e){return new Pu(e)}))}load(e,t,i,n){const r=this;let s;if(""!==this.resourcePath)s=this.resourcePath;else if(""!==this.path){const t=Za.extractUrlBase(e);s=Za.resolveURL(t,this.path)}else s=Za.extractUrlBase(e);this.manager.itemStart(e);const a=function(t){n?n(t):console.error(t),r.manager.itemError(e),r.manager.itemEnd(e)},o=new Da(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,(function(i){try{r.parse(i,s,(function(i){t(i),r.manager.itemEnd(e)}),a)}catch(e){a(e)}}),i,a)}setDRACOLoader(e){return this.dracoLoader=e,this}setKTX2Loader(e){return this.ktx2Loader=e,this}setMeshoptDecoder(e){return this.meshoptDecoder=e,this}register(e){return-1===this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.push(e),this}unregister(e){return-1!==this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e),1),this}parse(e,t,i,n){let r;const s={},a={},o=new TextDecoder;if("string"==typeof e)r=JSON.parse(e);else if(e instanceof ArrayBuffer){if(o.decode(new Uint8Array(e,0,4))===Fu){try{s[fu.KHR_BINARY_GLTF]=new ku(e)}catch(e){return void(n&&n(e))}r=JSON.parse(s[fu.KHR_BINARY_GLTF].content)}else r=JSON.parse(o.decode(e))}else r=e;if(void 0===r.asset||r.asset.version[0]<2)return void(n&&n(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const l=new ud(r,{path:t||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});l.fileLoader.setRequestHeader(this.requestHeader);for(let e=0;e<this.pluginCallbacks.length;e++){const t=this.pluginCallbacks[e](l);t.name||console.error("THREE.GLTFLoader: Invalid plugin found: missing name"),a[t.name]=t,s[t.name]=!0}if(r.extensionsUsed)for(let e=0;e<r.extensionsUsed.length;++e){const t=r.extensionsUsed[e],i=r.extensionsRequired||[];switch(t){case fu.KHR_MATERIALS_UNLIT:s[t]=new vu;break;case fu.KHR_DRACO_MESH_COMPRESSION:s[t]=new Ou(r,this.dracoLoader);break;case fu.KHR_TEXTURE_TRANSFORM:s[t]=new Gu;break;case fu.KHR_MESH_QUANTIZATION:s[t]=new Hu;break;default:i.indexOf(t)>=0&&void 0===a[t]&&console.warn('THREE.GLTFLoader: Unknown extension "'+t+'".')}}l.setExtensions(s),l.setPlugins(a),l.parse(i,n)}parseAsync(e,t){const i=this;return new Promise((function(n,r){i.parse(e,t,n,r)}))}}function gu(){let e={};return{get:function(t){return e[t]},add:function(t,i){e[t]=i},remove:function(t){delete e[t]},removeAll:function(){e={}}}}const fu={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_DISPERSION:"KHR_materials_dispersion",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_IRIDESCENCE:"KHR_materials_iridescence",KHR_MATERIALS_ANISOTROPY:"KHR_materials_anisotropy",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",KHR_MATERIALS_EMISSIVE_STRENGTH:"KHR_materials_emissive_strength",EXT_MATERIALS_BUMP:"EXT_materials_bump",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_TEXTURE_AVIF:"EXT_texture_avif",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression",EXT_MESH_GPU_INSTANCING:"EXT_mesh_gpu_instancing"};class bu{constructor(e){this.parser=e,this.name=fu.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const e=this.parser,t=this.parser.json.nodes||[];for(let i=0,n=t.length;i<n;i++){const n=t[i];n.extensions&&n.extensions[this.name]&&void 0!==n.extensions[this.name].light&&e._addNodeRef(this.cache,n.extensions[this.name].light)}}_loadLight(e){const t=this.parser,i="light:"+e;let n=t.cache.get(i);if(n)return n;const r=t.json,s=((r.extensions&&r.extensions[this.name]||{}).lights||[])[e];let a;const o=new Xn(16777215);void 0!==s.color&&o.setRGB(s.color[0],s.color[1],s.color[2],St);const l=void 0!==s.range?s.range:0;switch(s.type){case"directional":a=new Ka(o),a.target.position.set(0,0,-1),a.add(a.target);break;case"point":a=new ja(o),a.distance=l;break;case"spot":a=new Ha(o),a.distance=l,s.spot=s.spot||{},s.spot.innerConeAngle=void 0!==s.spot.innerConeAngle?s.spot.innerConeAngle:0,s.spot.outerConeAngle=void 0!==s.spot.outerConeAngle?s.spot.outerConeAngle:Math.PI/4,a.angle=s.spot.outerConeAngle,a.penumbra=1-s.spot.innerConeAngle/s.spot.outerConeAngle,a.target.position.set(0,0,-1),a.add(a.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+s.type)}return a.position.set(0,0,0),sd(a,s),void 0!==s.intensity&&(a.intensity=s.intensity),a.name=t.createUniqueName(s.name||"light_"+e),n=Promise.resolve(a),t.cache.add(i,n),n}getDependency(e,t){if("light"===e)return this._loadLight(t)}createNodeAttachment(e){const t=this,i=this.parser,n=i.json.nodes[e],r=(n.extensions&&n.extensions[this.name]||{}).light;return void 0===r?null:this._loadLight(r).then((function(e){return i._getNodeRef(t.cache,r,e)}))}}let vu=class{constructor(){this.name=fu.KHR_MATERIALS_UNLIT}getMaterialType(){return $n}extendParams(e,t,i){const n=[];e.color=new Xn(1,1,1),e.opacity=1;const r=t.pbrMetallicRoughness;if(r){if(Array.isArray(r.baseColorFactor)){const t=r.baseColorFactor;e.color.setRGB(t[0],t[1],t[2],St),e.opacity=t[3]}void 0!==r.baseColorTexture&&n.push(i.assignTexture(e,"map",r.baseColorTexture,xt))}return Promise.all(n)}},yu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(e,t){const i=this.parser.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const n=i.extensions[this.name].emissiveStrength;return void 0!==n&&(t.emissiveIntensity=n),Promise.resolve()}},_u=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_CLEARCOAT}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];if(void 0!==s.clearcoatFactor&&(t.clearcoat=s.clearcoatFactor),void 0!==s.clearcoatTexture&&r.push(i.assignTexture(t,"clearcoatMap",s.clearcoatTexture)),void 0!==s.clearcoatRoughnessFactor&&(t.clearcoatRoughness=s.clearcoatRoughnessFactor),void 0!==s.clearcoatRoughnessTexture&&r.push(i.assignTexture(t,"clearcoatRoughnessMap",s.clearcoatRoughnessTexture)),void 0!==s.clearcoatNormalTexture&&(r.push(i.assignTexture(t,"clearcoatNormalMap",s.clearcoatNormalTexture)),void 0!==s.clearcoatNormalTexture.scale)){const e=s.clearcoatNormalTexture.scale;t.clearcoatNormalScale=new $t(e,e)}return Promise.all(r)}},Eu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_DISPERSION}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const n=i.extensions[this.name];return t.dispersion=void 0!==n.dispersion?n.dispersion:0,Promise.resolve()}},xu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_IRIDESCENCE}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.iridescenceFactor&&(t.iridescence=s.iridescenceFactor),void 0!==s.iridescenceTexture&&r.push(i.assignTexture(t,"iridescenceMap",s.iridescenceTexture)),void 0!==s.iridescenceIor&&(t.iridescenceIOR=s.iridescenceIor),void 0===t.iridescenceThicknessRange&&(t.iridescenceThicknessRange=[100,400]),void 0!==s.iridescenceThicknessMinimum&&(t.iridescenceThicknessRange[0]=s.iridescenceThicknessMinimum),void 0!==s.iridescenceThicknessMaximum&&(t.iridescenceThicknessRange[1]=s.iridescenceThicknessMaximum),void 0!==s.iridescenceThicknessTexture&&r.push(i.assignTexture(t,"iridescenceThicknessMap",s.iridescenceThicknessTexture)),Promise.all(r)}},Su=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_SHEEN}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[];t.sheenColor=new Xn(0,0,0),t.sheenRoughness=0,t.sheen=1;const s=n.extensions[this.name];if(void 0!==s.sheenColorFactor){const e=s.sheenColorFactor;t.sheenColor.setRGB(e[0],e[1],e[2],St)}return void 0!==s.sheenRoughnessFactor&&(t.sheenRoughness=s.sheenRoughnessFactor),void 0!==s.sheenColorTexture&&r.push(i.assignTexture(t,"sheenColorMap",s.sheenColorTexture,xt)),void 0!==s.sheenRoughnessTexture&&r.push(i.assignTexture(t,"sheenRoughnessMap",s.sheenRoughnessTexture)),Promise.all(r)}},Cu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_TRANSMISSION}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.transmissionFactor&&(t.transmission=s.transmissionFactor),void 0!==s.transmissionTexture&&r.push(i.assignTexture(t,"transmissionMap",s.transmissionTexture)),Promise.all(r)}},wu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_VOLUME}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];t.thickness=void 0!==s.thicknessFactor?s.thicknessFactor:0,void 0!==s.thicknessTexture&&r.push(i.assignTexture(t,"thicknessMap",s.thicknessTexture)),t.attenuationDistance=s.attenuationDistance||1/0;const a=s.attenuationColor||[1,1,1];return t.attenuationColor=(new Xn).setRGB(a[0],a[1],a[2],St),Promise.all(r)}},Iu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_IOR}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const n=i.extensions[this.name];return t.ior=void 0!==n.ior?n.ior:1.5,Promise.resolve()}},Mu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_SPECULAR}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];t.specularIntensity=void 0!==s.specularFactor?s.specularFactor:1,void 0!==s.specularTexture&&r.push(i.assignTexture(t,"specularIntensityMap",s.specularTexture));const a=s.specularColorFactor||[1,1,1];return t.specularColor=(new Xn).setRGB(a[0],a[1],a[2],St),void 0!==s.specularColorTexture&&r.push(i.assignTexture(t,"specularColorMap",s.specularColorTexture,xt)),Promise.all(r)}},Tu=class{constructor(e){this.parser=e,this.name=fu.EXT_MATERIALS_BUMP}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return t.bumpScale=void 0!==s.bumpFactor?s.bumpFactor:1,void 0!==s.bumpTexture&&r.push(i.assignTexture(t,"bumpMap",s.bumpTexture)),Promise.all(r)}},Bu=class{constructor(e){this.parser=e,this.name=fu.KHR_MATERIALS_ANISOTROPY}getMaterialType(e){const t=this.parser.json.materials[e];return t.extensions&&t.extensions[this.name]?sa:null}extendMaterialParams(e,t){const i=this.parser,n=i.json.materials[e];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const r=[],s=n.extensions[this.name];return void 0!==s.anisotropyStrength&&(t.anisotropy=s.anisotropyStrength),void 0!==s.anisotropyRotation&&(t.anisotropyRotation=s.anisotropyRotation),void 0!==s.anisotropyTexture&&r.push(i.assignTexture(t,"anisotropyMap",s.anisotropyTexture)),Promise.all(r)}};class Ru{constructor(e){this.parser=e,this.name=fu.KHR_TEXTURE_BASISU}loadTexture(e){const t=this.parser,i=t.json,n=i.textures[e];if(!n.extensions||!n.extensions[this.name])return null;const r=n.extensions[this.name],s=t.options.ktx2Loader;if(!s){if(i.extensionsRequired&&i.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return t.loadTextureImage(e,r.source,s)}}class Du{constructor(e){this.parser=e,this.name=fu.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(e){const t=this.name,i=this.parser,n=i.json,r=n.textures[e];if(!r.extensions||!r.extensions[t])return null;const s=r.extensions[t],a=n.images[s.source];let o=i.textureLoader;if(a.uri){const e=i.options.manager.getHandler(a.uri);null!==e&&(o=e)}return this.detectSupport().then((function(r){if(r)return i.loadTextureImage(e,s.source,o);if(n.extensionsRequired&&n.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return i.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class Lu{constructor(e){this.parser=e,this.name=fu.EXT_TEXTURE_AVIF,this.isSupported=null}loadTexture(e){const t=this.name,i=this.parser,n=i.json,r=n.textures[e];if(!r.extensions||!r.extensions[t])return null;const s=r.extensions[t],a=n.images[s.source];let o=i.textureLoader;if(a.uri){const e=i.options.manager.getHandler(a.uri);null!==e&&(o=e)}return this.detectSupport().then((function(r){if(r)return i.loadTextureImage(e,s.source,o);if(n.extensionsRequired&&n.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: AVIF required by asset but unsupported.");return i.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAEAAAABAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQAMAAAAABNjb2xybmNseAACAAIABoAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAAB9tZGF0EgAKCBgABogQEDQgMgkQAAAAB8dSLfI=",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class Uu{constructor(e){this.name=fu.EXT_MESHOPT_COMPRESSION,this.parser=e}loadBufferView(e){const t=this.parser.json,i=t.bufferViews[e];if(i.extensions&&i.extensions[this.name]){const e=i.extensions[this.name],n=this.parser.getDependency("buffer",e.buffer),r=this.parser.options.meshoptDecoder;if(!r||!r.supported){if(t.extensionsRequired&&t.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return n.then((function(t){const i=e.byteOffset||0,n=e.byteLength||0,s=e.count,a=e.byteStride,o=new Uint8Array(t,i,n);return r.decodeGltfBufferAsync?r.decodeGltfBufferAsync(s,a,o,e.mode,e.filter).then((function(e){return e.buffer})):r.ready.then((function(){const t=new ArrayBuffer(s*a);return r.decodeGltfBuffer(new Uint8Array(t),s,a,o,e.mode,e.filter),t}))}))}return null}}let Pu=class{constructor(e){this.name=fu.EXT_MESH_GPU_INSTANCING,this.parser=e}createNodeMesh(e){const t=this.parser.json,i=t.nodes[e];if(!i.extensions||!i.extensions[this.name]||void 0===i.mesh)return null;const n=t.meshes[i.mesh];for(const e of n.primitives)if(e.mode!==qu.TRIANGLES&&e.mode!==qu.TRIANGLE_STRIP&&e.mode!==qu.TRIANGLE_FAN&&void 0!==e.mode)return null;const r=i.extensions[this.name].attributes,s=[],a={};for(const e in r)s.push(this.parser.getDependency("accessor",r[e]).then((t=>(a[e]=t,a[e]))));return s.length<1?null:(s.push(this.parser.createNodeMesh(e)),Promise.all(s).then((e=>{const t=e.pop(),i=t.isGroup?t.children:[t],n=e[0].count,r=[];for(const e of i){const t=new tn,i=new Ci,s=new Si,o=new Ci(1,1,1),l=new _s(e.geometry,e.material,n);for(let e=0;e<n;e++)a.TRANSLATION&&i.fromBufferAttribute(a.TRANSLATION,e),a.ROTATION&&s.fromBufferAttribute(a.ROTATION,e),a.SCALE&&o.fromBufferAttribute(a.SCALE,e),l.setMatrixAt(e,t.compose(i,s,o));for(const t in a)if("_COLOR_0"===t){const e=a[t];l.instanceColor=new ps(e.array,e.itemSize,e.normalized)}else"TRANSLATION"!==t&&"ROTATION"!==t&&"SCALE"!==t&&e.geometry.setAttribute(t,a[t]);Tn.prototype.copy.call(l,e),this.parser.assignFinalMaterial(l),r.push(l)}return t.isGroup?(t.clear(),t.add(...r),t):r[0]})))}};const Fu="glTF",Nu=1313821514,Qu=5130562;class ku{constructor(e){this.name=fu.KHR_BINARY_GLTF,this.content=null,this.body=null;const t=new DataView(e,0,12),i=new TextDecoder;if(this.header={magic:i.decode(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==Fu)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,r=new DataView(e,12);let s=0;for(;s<n;){const t=r.getUint32(s,!0);s+=4;const n=r.getUint32(s,!0);if(s+=4,n===Nu){const n=new Uint8Array(e,12+s,t);this.content=i.decode(n)}else if(n===Qu){const i=12+s;this.body=e.slice(i,i+t)}s+=t}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class Ou{constructor(e,t){if(!t)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=fu.KHR_DRACO_MESH_COMPRESSION,this.json=e,this.dracoLoader=t,this.dracoLoader.preload()}decodePrimitive(e,t){const i=this.json,n=this.dracoLoader,r=e.extensions[this.name].bufferView,s=e.extensions[this.name].attributes,a={},o={},l={};for(const e in s){const t=Ju[e]||e.toLowerCase();a[t]=s[e]}for(const t in e.attributes){const n=Ju[t]||t.toLowerCase();if(void 0!==s[t]){const r=i.accessors[e.attributes[t]],s=ju[r.componentType];l[n]=s.name,o[n]=!0===r.normalized}}return t.getDependency("bufferView",r).then((function(e){return new Promise((function(t,i){n.decodeDracoFile(e,(function(e){for(const t in e.attributes){const i=e.attributes[t],n=o[t];void 0!==n&&(i.normalized=n)}t(e)}),a,l,St,i)}))}))}}class Gu{constructor(){this.name=fu.KHR_TEXTURE_TRANSFORM}extendTexture(e,t){return void 0!==t.texCoord&&t.texCoord!==e.channel||void 0!==t.offset||void 0!==t.rotation||void 0!==t.scale?(e=e.clone(),void 0!==t.texCoord&&(e.channel=t.texCoord),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),e.needsUpdate=!0,e):e}}class Hu{constructor(){this.name=fu.KHR_MESH_QUANTIZATION}}class zu extends da{constructor(e,t,i,n){super(e,t,i,n)}copySampleValue_(e){const t=this.resultBuffer,i=this.sampleValues,n=this.valueSize,r=e*n*3+n;for(let e=0;e!==n;e++)t[e]=i[r+e];return t}interpolate_(e,t,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=2*a,l=3*a,c=n-t,h=(i-t)/c,u=h*h,d=u*h,p=e*l,A=p-l,m=-2*d+3*u,g=d-u,f=1-m,b=g-u+h;for(let e=0;e!==a;e++){const t=s[A+e+a],i=s[A+e+o]*c,n=s[p+e+a],l=s[p+e]*c;r[e]=f*t+b*i+m*n+g*l}return r}}const Vu=new Si;class Wu extends zu{interpolate_(e,t,i,n){const r=super.interpolate_(e,t,i,n);return Vu.fromArray(r).normalize().toArray(r),r}}const qu={POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6},ju={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Xu={9728:ce,9729:de,9984:he,9985:pe,9986:ue,9987:Ae},Yu={33071:oe,33648:le,10497:ae},Ku={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Ju={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv1",TEXCOORD_2:"uv2",TEXCOORD_3:"uv3",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},$u={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},Zu={CUBICSPLINE:void 0,LINEAR:gt,STEP:mt},ed="OPAQUE",td="MASK",id="BLEND";function nd(e){return void 0===e.DefaultMaterial&&(e.DefaultMaterial=new ra({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),e.DefaultMaterial}function rd(e,t,i){for(const n in i.extensions)void 0===e[n]&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[n]=i.extensions[n])}function sd(e,t){void 0!==t.extras&&("object"==typeof t.extras?Object.assign(e.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function ad(e,t){if(e.updateMorphTargets(),void 0!==t.weights)for(let i=0,n=t.weights.length;i<n;i++)e.morphTargetInfluences[i]=t.weights[i];if(t.extras&&Array.isArray(t.extras.targetNames)){const i=t.extras.targetNames;if(e.morphTargetInfluences.length===i.length){e.morphTargetDictionary={};for(let t=0,n=i.length;t<n;t++)e.morphTargetDictionary[i[t]]=t}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function od(e){let t;const i=e.extensions&&e.extensions[fu.KHR_DRACO_MESH_COMPRESSION];if(t=i?"draco:"+i.bufferView+":"+i.indices+":"+ld(i.attributes):e.indices+":"+ld(e.attributes)+":"+e.mode,void 0!==e.targets)for(let i=0,n=e.targets.length;i<n;i++)t+=":"+ld(e.targets[i]);return t}function ld(e){let t="";const i=Object.keys(e).sort();for(let n=0,r=i.length;n<r;n++)t+=i[n]+":"+e[i[n]]+";";return t}function cd(e){switch(e){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}const hd=new tn;class ud{constructor(e={},t={}){this.json=e,this.extensions={},this.plugins={},this.options=t,this.cache=new gu,this.associations=new Map,this.primitiveCache={},this.nodeCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};let i=!1,n=-1,r=!1,s=-1;if("undefined"!=typeof navigator){const e=navigator.userAgent;i=!0===/^((?!chrome|android).)*safari/i.test(e);const t=e.match(/Version\/(\d+)/);n=i&&t?parseInt(t[1],10):-1,r=e.indexOf("Firefox")>-1,s=r?e.match(/Firefox\/([0-9]+)\./)[1]:-1}"undefined"==typeof createImageBitmap||i&&n<17||r&&s<98?this.textureLoader=new Pa(this.options.manager):this.textureLoader=new eo(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new Da(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(e){this.extensions=e}setPlugins(e){this.plugins=e}parse(e,t){const i=this,n=this.json,r=this.extensions;this.cache.removeAll(),this.nodeCache={},this._invokeAll((function(e){return e._markDefs&&e._markDefs()})),Promise.all(this._invokeAll((function(e){return e.beforeRoot&&e.beforeRoot()}))).then((function(){return Promise.all([i.getDependencies("scene"),i.getDependencies("animation"),i.getDependencies("camera")])})).then((function(t){const s={scene:t[0][n.scene||0],scenes:t[0],animations:t[1],cameras:t[2],asset:n.asset,parser:i,userData:{}};return rd(r,s,n),sd(s,n),Promise.all(i._invokeAll((function(e){return e.afterRoot&&e.afterRoot(s)}))).then((function(){for(const e of s.scenes)e.updateMatrixWorld();e(s)}))})).catch(t)}_markDefs(){const e=this.json.nodes||[],t=this.json.skins||[],i=this.json.meshes||[];for(let i=0,n=t.length;i<n;i++){const n=t[i].joints;for(let t=0,i=n.length;t<i;t++)e[n[t]].isBone=!0}for(let t=0,n=e.length;t<n;t++){const n=e[t];void 0!==n.mesh&&(this._addNodeRef(this.meshCache,n.mesh),void 0!==n.skin&&(i[n.mesh].isSkinnedMesh=!0)),void 0!==n.camera&&this._addNodeRef(this.cameraCache,n.camera)}}_addNodeRef(e,t){void 0!==t&&(void 0===e.refs[t]&&(e.refs[t]=e.uses[t]=0),e.refs[t]++)}_getNodeRef(e,t,i){if(e.refs[t]<=1)return i;const n=i.clone(),r=(e,t)=>{const i=this.associations.get(e);null!=i&&this.associations.set(t,i);for(const[i,n]of e.children.entries())r(n,t.children[i])};return r(i,n),n.name+="_instance_"+e.uses[t]++,n}_invokeOne(e){const t=Object.values(this.plugins);t.push(this);for(let i=0;i<t.length;i++){const n=e(t[i]);if(n)return n}return null}_invokeAll(e){const t=Object.values(this.plugins);t.unshift(this);const i=[];for(let n=0;n<t.length;n++){const r=e(t[n]);r&&i.push(r)}return i}getDependency(e,t){const i=e+":"+t;let n=this.cache.get(i);if(!n){switch(e){case"scene":n=this.loadScene(t);break;case"node":n=this._invokeOne((function(e){return e.loadNode&&e.loadNode(t)}));break;case"mesh":n=this._invokeOne((function(e){return e.loadMesh&&e.loadMesh(t)}));break;case"accessor":n=this.loadAccessor(t);break;case"bufferView":n=this._invokeOne((function(e){return e.loadBufferView&&e.loadBufferView(t)}));break;case"buffer":n=this.loadBuffer(t);break;case"material":n=this._invokeOne((function(e){return e.loadMaterial&&e.loadMaterial(t)}));break;case"texture":n=this._invokeOne((function(e){return e.loadTexture&&e.loadTexture(t)}));break;case"skin":n=this.loadSkin(t);break;case"animation":n=this._invokeOne((function(e){return e.loadAnimation&&e.loadAnimation(t)}));break;case"camera":n=this.loadCamera(t);break;default:if(n=this._invokeOne((function(i){return i!=this&&i.getDependency&&i.getDependency(e,t)})),!n)throw new Error("Unknown type: "+e)}this.cache.add(i,n)}return n}getDependencies(e){let t=this.cache.get(e);if(!t){const i=this,n=this.json[e+("mesh"===e?"es":"s")]||[];t=Promise.all(n.map((function(t,n){return i.getDependency(e,n)}))),this.cache.add(e,t)}return t}loadBuffer(e){const t=this.json.buffers[e],i=this.fileLoader;if(t.type&&"arraybuffer"!==t.type)throw new Error("THREE.GLTFLoader: "+t.type+" buffer type is not supported.");if(void 0===t.uri&&0===e)return Promise.resolve(this.extensions[fu.KHR_BINARY_GLTF].body);const n=this.options;return new Promise((function(e,r){i.load(Za.resolveURL(t.uri,n.path),e,void 0,(function(){r(new Error('THREE.GLTFLoader: Failed to load buffer "'+t.uri+'".'))}))}))}loadBufferView(e){const t=this.json.bufferViews[e];return this.getDependency("buffer",t.buffer).then((function(e){const i=t.byteLength||0,n=t.byteOffset||0;return e.slice(n,n+i)}))}loadAccessor(e){const t=this,i=this.json,n=this.json.accessors[e];if(void 0===n.bufferView&&void 0===n.sparse){const e=Ku[n.type],t=ju[n.componentType],i=!0===n.normalized,r=new t(n.count*e);return Promise.resolve(new sr(r,e,i))}const r=[];return void 0!==n.bufferView?r.push(this.getDependency("bufferView",n.bufferView)):r.push(null),void 0!==n.sparse&&(r.push(this.getDependency("bufferView",n.sparse.indices.bufferView)),r.push(this.getDependency("bufferView",n.sparse.values.bufferView))),Promise.all(r).then((function(e){const r=e[0],s=Ku[n.type],a=ju[n.componentType],o=a.BYTES_PER_ELEMENT,l=o*s,c=n.byteOffset||0,h=void 0!==n.bufferView?i.bufferViews[n.bufferView].byteStride:void 0,u=!0===n.normalized;let d,p;if(h&&h!==l){const e=Math.floor(c/h),i="InterleavedBuffer:"+n.bufferView+":"+n.componentType+":"+e+":"+n.count;let l=t.cache.get(i);l||(d=new a(r,e*h,n.count*h/o),l=new Yr(d,h/o),t.cache.add(i,l)),p=new Jr(l,s,c%h/o,u)}else d=null===r?new a(n.count*s):new a(r,c,n.count*s),p=new sr(d,s,u);if(void 0!==n.sparse){const t=Ku.SCALAR,i=ju[n.sparse.indices.componentType],o=n.sparse.indices.byteOffset||0,l=n.sparse.values.byteOffset||0,c=new i(e[1],o,n.sparse.count*t),h=new a(e[2],l,n.sparse.count*s);null!==r&&(p=new sr(p.array.slice(),p.itemSize,p.normalized)),p.normalized=!1;for(let e=0,t=c.length;e<t;e++){const t=c[e];if(p.setX(t,h[e*s]),s>=2&&p.setY(t,h[e*s+1]),s>=3&&p.setZ(t,h[e*s+2]),s>=4&&p.setW(t,h[e*s+3]),s>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}p.normalized=u}return p}))}loadTexture(e){const t=this.json,i=this.options,n=t.textures[e].source,r=t.images[n];let s=this.textureLoader;if(r.uri){const e=i.manager.getHandler(r.uri);null!==e&&(s=e)}return this.loadTextureImage(e,n,s)}loadTextureImage(e,t,i){const n=this,r=this.json,s=r.textures[e],a=r.images[t],o=(a.uri||a.bufferView)+":"+s.sampler;if(this.textureCache[o])return this.textureCache[o];const l=this.loadImageSource(t,i).then((function(t){t.flipY=!1,t.name=s.name||a.name||"",""===t.name&&"string"==typeof a.uri&&!1===a.uri.startsWith("data:image/")&&(t.name=a.uri);const i=(r.samplers||{})[s.sampler]||{};return t.magFilter=Xu[i.magFilter]||de,t.minFilter=Xu[i.minFilter]||Ae,t.wrapS=Yu[i.wrapS]||ae,t.wrapT=Yu[i.wrapT]||ae,t.generateMipmaps=!t.isCompressedTexture&&t.minFilter!==ce&&t.minFilter!==de,n.associations.set(t,{textures:e}),t})).catch((function(){return null}));return this.textureCache[o]=l,l}loadImageSource(e,t){const i=this,n=this.json,r=this.options;if(void 0!==this.sourceCache[e])return this.sourceCache[e].then((e=>e.clone()));const s=n.images[e],a=self.URL||self.webkitURL;let o=s.uri||"",l=!1;if(void 0!==s.bufferView)o=i.getDependency("bufferView",s.bufferView).then((function(e){l=!0;const t=new Blob([e],{type:s.mimeType});return o=a.createObjectURL(t),o}));else if(void 0===s.uri)throw new Error("THREE.GLTFLoader: Image "+e+" is missing URI and bufferView");const c=Promise.resolve(o).then((function(e){return new Promise((function(i,n){let s=i;!0===t.isImageBitmapLoader&&(s=function(e){const t=new bi(e);t.needsUpdate=!0,i(t)}),t.load(Za.resolveURL(e,r.path),s,void 0,n)}))})).then((function(e){var t;return!0===l&&a.revokeObjectURL(o),sd(e,s),e.userData.mimeType=s.mimeType||((t=s.uri).search(/\.jpe?g($|\?)/i)>0||0===t.search(/^data\:image\/jpeg/)?"image/jpeg":t.search(/\.webp($|\?)/i)>0||0===t.search(/^data\:image\/webp/)?"image/webp":t.search(/\.ktx2($|\?)/i)>0||0===t.search(/^data\:image\/ktx2/)?"image/ktx2":"image/png"),e})).catch((function(e){throw console.error("THREE.GLTFLoader: Couldn't load texture",o),e}));return this.sourceCache[e]=c,c}assignTexture(e,t,i,n){const r=this;return this.getDependency("texture",i.index).then((function(s){if(!s)return null;if(void 0!==i.texCoord&&i.texCoord>0&&((s=s.clone()).channel=i.texCoord),r.extensions[fu.KHR_TEXTURE_TRANSFORM]){const e=void 0!==i.extensions?i.extensions[fu.KHR_TEXTURE_TRANSFORM]:void 0;if(e){const t=r.associations.get(s);s=r.extensions[fu.KHR_TEXTURE_TRANSFORM].extendTexture(s,e),r.associations.set(s,t)}}return void 0!==n&&(s.colorSpace=n),e[t]=s,s}))}assignFinalMaterial(e){const t=e.geometry;let i=e.material;const n=void 0===t.attributes.tangent,r=void 0!==t.attributes.color,s=void 0===t.attributes.normal;if(e.isPoints){const e="PointsMaterial:"+i.uuid;let t=this.cache.get(e);t||(t=new zs,Jn.prototype.copy.call(t,i),t.color.copy(i.color),t.map=i.map,t.sizeAttenuation=!1,this.cache.add(e,t)),i=t}else if(e.isLine){const e="LineBasicMaterial:"+i.uuid;let t=this.cache.get(e);t||(t=new Ts,Jn.prototype.copy.call(t,i),t.color.copy(i.color),t.map=i.map,this.cache.add(e,t)),i=t}if(n||r||s){let e="ClonedMaterial:"+i.uuid+":";n&&(e+="derivative-tangents:"),r&&(e+="vertex-colors:"),s&&(e+="flat-shading:");let t=this.cache.get(e);t||(t=i.clone(),r&&(t.vertexColors=!0),s&&(t.flatShading=!0),n&&(t.normalScale&&(t.normalScale.y*=-1),t.clearcoatNormalScale&&(t.clearcoatNormalScale.y*=-1)),this.cache.add(e,t),this.associations.set(t,this.associations.get(i))),i=t}e.material=i}getMaterialType(){return ra}loadMaterial(e){const t=this,i=this.json,n=this.extensions,r=i.materials[e];let s;const a={},o=[];if((r.extensions||{})[fu.KHR_MATERIALS_UNLIT]){const e=n[fu.KHR_MATERIALS_UNLIT];s=e.getMaterialType(),o.push(e.extendParams(a,r,t))}else{const i=r.pbrMetallicRoughness||{};if(a.color=new Xn(1,1,1),a.opacity=1,Array.isArray(i.baseColorFactor)){const e=i.baseColorFactor;a.color.setRGB(e[0],e[1],e[2],St),a.opacity=e[3]}void 0!==i.baseColorTexture&&o.push(t.assignTexture(a,"map",i.baseColorTexture,xt)),a.metalness=void 0!==i.metallicFactor?i.metallicFactor:1,a.roughness=void 0!==i.roughnessFactor?i.roughnessFactor:1,void 0!==i.metallicRoughnessTexture&&(o.push(t.assignTexture(a,"metalnessMap",i.metallicRoughnessTexture)),o.push(t.assignTexture(a,"roughnessMap",i.metallicRoughnessTexture))),s=this._invokeOne((function(t){return t.getMaterialType&&t.getMaterialType(e)})),o.push(Promise.all(this._invokeAll((function(t){return t.extendMaterialParams&&t.extendMaterialParams(e,a)}))))}!0===r.doubleSided&&(a.side=2);const l=r.alphaMode||ed;if(l===id?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,l===td&&(a.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&s!==$n&&(o.push(t.assignTexture(a,"normalMap",r.normalTexture)),a.normalScale=new $t(1,1),void 0!==r.normalTexture.scale)){const e=r.normalTexture.scale;a.normalScale.set(e,e)}if(void 0!==r.occlusionTexture&&s!==$n&&(o.push(t.assignTexture(a,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(a.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&s!==$n){const e=r.emissiveFactor;a.emissive=(new Xn).setRGB(e[0],e[1],e[2],St)}return void 0!==r.emissiveTexture&&s!==$n&&o.push(t.assignTexture(a,"emissiveMap",r.emissiveTexture,xt)),Promise.all(o).then((function(){const i=new s(a);return r.name&&(i.name=r.name),sd(i,r),t.associations.set(i,{materials:e}),r.extensions&&rd(n,i,r),i}))}createUniqueName(e){const t=co.sanitizeNodeName(e||"");return t in this.nodeNamesUsed?t+"_"+ ++this.nodeNamesUsed[t]:(this.nodeNamesUsed[t]=0,t)}loadGeometries(e){const t=this,i=this.extensions,n=this.primitiveCache;function r(e){return i[fu.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then((function(i){return dd(i,e,t)}))}const s=[];for(let i=0,a=e.length;i<a;i++){const a=e[i],o=od(a),l=n[o];if(l)s.push(l.promise);else{let e;e=a.extensions&&a.extensions[fu.KHR_DRACO_MESH_COMPRESSION]?r(a):dd(new gr,a,t),n[o]={primitive:a,promise:e},s.push(e)}}return Promise.all(s)}loadMesh(e){const t=this,i=this.json,n=this.extensions,r=i.meshes[e],s=r.primitives,a=[];for(let e=0,t=s.length;e<t;e++){const t=void 0===s[e].material?nd(this.cache):this.getDependency("material",s[e].material);a.push(t)}return a.push(t.loadGeometries(s)),Promise.all(a).then((function(i){const a=i.slice(0,i.length-1),o=i[i.length-1],l=[];for(let i=0,c=o.length;i<c;i++){const c=o[i],h=s[i];let u;const d=a[i];if(h.mode===qu.TRIANGLES||h.mode===qu.TRIANGLE_STRIP||h.mode===qu.TRIANGLE_FAN||void 0===h.mode)u=!0===r.isSkinnedMesh?new os(c,d):new Mr(c,d),!0===u.isSkinnedMesh&&u.normalizeSkinWeights(),h.mode===qu.TRIANGLE_STRIP?u.geometry=Au(u.geometry,1):h.mode===qu.TRIANGLE_FAN&&(u.geometry=Au(u.geometry,2));else if(h.mode===qu.LINES)u=new Gs(c,d);else if(h.mode===qu.LINE_STRIP)u=new Ns(c,d);else if(h.mode===qu.LINE_LOOP)u=new Hs(c,d);else{if(h.mode!==qu.POINTS)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+h.mode);u=new Xs(c,d)}Object.keys(u.geometry.morphAttributes).length>0&&ad(u,r),u.name=t.createUniqueName(r.name||"mesh_"+e),sd(u,r),h.extensions&&rd(n,u,h),t.assignFinalMaterial(u),l.push(u)}for(let i=0,n=l.length;i<n;i++)t.associations.set(l[i],{meshes:e,primitives:i});if(1===l.length)return r.extensions&&rd(n,l[0],r),l[0];const c=new Wr;r.extensions&&rd(n,c,r),t.associations.set(c,{meshes:e});for(let e=0,t=l.length;e<t;e++)c.add(l[e]);return c}))}loadCamera(e){let t;const i=this.json.cameras[e],n=i[i.type];if(n)return"perspective"===i.type?t=new Or(Jt.radToDeg(n.yfov),n.aspectRatio||1,n.znear||1,n.zfar||2e6):"orthographic"===i.type&&(t=new Xa(-n.xmag,n.xmag,n.ymag,-n.ymag,n.znear,n.zfar)),i.name&&(t.name=this.createUniqueName(i.name)),sd(t,i),Promise.resolve(t);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(e){const t=this.json.skins[e],i=[];for(let e=0,n=t.joints.length;e<n;e++)i.push(this._loadNodeShallow(t.joints[e]));return void 0!==t.inverseBindMatrices?i.push(this.getDependency("accessor",t.inverseBindMatrices)):i.push(null),Promise.all(i).then((function(e){const i=e.pop(),n=e,r=[],s=[];for(let e=0,a=n.length;e<a;e++){const a=n[e];if(a){r.push(a);const t=new tn;null!==i&&t.fromArray(i.array,16*e),s.push(t)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',t.joints[e])}return new ds(r,s)}))}loadAnimation(e){const t=this.json,i=this,n=t.animations[e],r=n.name?n.name:"animation_"+e,s=[],a=[],o=[],l=[],c=[];for(let e=0,t=n.channels.length;e<t;e++){const t=n.channels[e],i=n.samplers[t.sampler],r=t.target,h=r.node,u=void 0!==n.parameters?n.parameters[i.input]:i.input,d=void 0!==n.parameters?n.parameters[i.output]:i.output;void 0!==r.node&&(s.push(this.getDependency("node",h)),a.push(this.getDependency("accessor",u)),o.push(this.getDependency("accessor",d)),l.push(i),c.push(r))}return Promise.all([Promise.all(s),Promise.all(a),Promise.all(o),Promise.all(l),Promise.all(c)]).then((function(e){const t=e[0],n=e[1],s=e[2],a=e[3],o=e[4],l=[];for(let e=0,r=t.length;e<r;e++){const r=t[e],c=n[e],h=s[e],u=a[e],d=o[e];if(void 0===r)continue;r.updateMatrix&&r.updateMatrix();const p=i._createAnimationTracks(r,c,h,u,d);if(p)for(let e=0;e<p.length;e++)l.push(p[e])}return new Sa(r,void 0,l)}))}createNodeMesh(e){const t=this.json,i=this,n=t.nodes[e];return void 0===n.mesh?null:i.getDependency("mesh",n.mesh).then((function(e){const t=i._getNodeRef(i.meshCache,n.mesh,e);return void 0!==n.weights&&t.traverse((function(e){if(e.isMesh)for(let t=0,i=n.weights.length;t<i;t++)e.morphTargetInfluences[t]=n.weights[t]})),t}))}loadNode(e){const t=this,i=this.json.nodes[e],n=t._loadNodeShallow(e),r=[],s=i.children||[];for(let e=0,i=s.length;e<i;e++)r.push(t.getDependency("node",s[e]));const a=void 0===i.skin?Promise.resolve(null):t.getDependency("skin",i.skin);return Promise.all([n,Promise.all(r),a]).then((function(e){const t=e[0],i=e[1],n=e[2];null!==n&&t.traverse((function(e){e.isSkinnedMesh&&e.bind(n,hd)}));for(let e=0,n=i.length;e<n;e++)t.add(i[e]);return t}))}_loadNodeShallow(e){const t=this.json,i=this.extensions,n=this;if(void 0!==this.nodeCache[e])return this.nodeCache[e];const r=t.nodes[e],s=r.name?n.createUniqueName(r.name):"",a=[],o=n._invokeOne((function(t){return t.createNodeMesh&&t.createNodeMesh(e)}));return o&&a.push(o),void 0!==r.camera&&a.push(n.getDependency("camera",r.camera).then((function(e){return n._getNodeRef(n.cameraCache,r.camera,e)}))),n._invokeAll((function(t){return t.createNodeAttachment&&t.createNodeAttachment(e)})).forEach((function(e){a.push(e)})),this.nodeCache[e]=Promise.all(a).then((function(t){let a;if(a=!0===r.isBone?new ls:t.length>1?new Wr:1===t.length?t[0]:new Tn,a!==t[0])for(let e=0,i=t.length;e<i;e++)a.add(t[e]);if(r.name&&(a.userData.name=r.name,a.name=s),sd(a,r),r.extensions&&rd(i,a,r),void 0!==r.matrix){const e=new tn;e.fromArray(r.matrix),a.applyMatrix4(e)}else void 0!==r.translation&&a.position.fromArray(r.translation),void 0!==r.rotation&&a.quaternion.fromArray(r.rotation),void 0!==r.scale&&a.scale.fromArray(r.scale);return n.associations.has(a)||n.associations.set(a,{}),n.associations.get(a).nodes=e,a})),this.nodeCache[e]}loadScene(e){const t=this.extensions,i=this.json.scenes[e],n=this,r=new Wr;i.name&&(r.name=n.createUniqueName(i.name)),sd(r,i),i.extensions&&rd(t,r,i);const s=i.nodes||[],a=[];for(let e=0,t=s.length;e<t;e++)a.push(n.getDependency("node",s[e]));return Promise.all(a).then((function(e){for(let t=0,i=e.length;t<i;t++)r.add(e[t]);return n.associations=(e=>{const t=new Map;for(const[e,i]of n.associations)(e instanceof Jn||e instanceof bi)&&t.set(e,i);return e.traverse((e=>{const i=n.associations.get(e);null!=i&&t.set(e,i)})),t})(r),r}))}_createAnimationTracks(e,t,i,n,r){const s=[],a=e.name?e.name:e.uuid,o=[];let l;switch($u[r.path]===$u.weights?e.traverse((function(e){e.morphTargetInfluences&&o.push(e.name?e.name:e.uuid)})):o.push(a),$u[r.path]){case $u.weights:l=va;break;case $u.rotation:l=_a;break;case $u.position:case $u.scale:l=xa;break;default:if(1===i.itemSize)l=va;else l=xa}const c=void 0!==n.interpolation?Zu[n.interpolation]:gt,h=this._getArrayFromAccessor(i);for(let e=0,i=o.length;e<i;e++){const i=new l(o[e]+"."+$u[r.path],t.array,h,c);"CUBICSPLINE"===n.interpolation&&this._createCubicSplineTrackInterpolant(i),s.push(i)}return s}_getArrayFromAccessor(e){let t=e.array;if(e.normalized){const e=cd(t.constructor),i=new Float32Array(t.length);for(let n=0,r=t.length;n<r;n++)i[n]=t[n]*e;t=i}return t}_createCubicSplineTrackInterpolant(e){e.createInterpolant=function(e){return new(this instanceof _a?Wu:zu)(this.times,this.values,this.getValueSize()/3,e)},e.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0}}function dd(e,t,i){const n=t.attributes,r=[];function s(t,n){return i.getDependency("accessor",t).then((function(t){e.setAttribute(n,t)}))}for(const t in n){const i=Ju[t]||t.toLowerCase();i in e.attributes||r.push(s(n[t],i))}if(void 0!==t.indices&&!e.index){const n=i.getDependency("accessor",t.indices).then((function(t){e.setIndex(t)}));r.push(n)}return ci.workingColorSpace!==St&&"COLOR_0"in n&&console.warn(`THREE.GLTFLoader: Converting vertex colors from "srgb-linear" to "${ci.workingColorSpace}" not supported.`),sd(e,t),function(e,t,i){const n=t.attributes,r=new Mi;if(void 0===n.POSITION)return;{const e=i.json.accessors[n.POSITION],t=e.min,s=e.max;if(void 0===t||void 0===s)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(r.set(new Ci(t[0],t[1],t[2]),new Ci(s[0],s[1],s[2])),e.normalized){const t=cd(ju[e.componentType]);r.min.multiplyScalar(t),r.max.multiplyScalar(t)}}const s=t.targets;if(void 0!==s){const e=new Ci,t=new Ci;for(let n=0,r=s.length;n<r;n++){const r=s[n];if(void 0!==r.POSITION){const n=i.json.accessors[r.POSITION],s=n.min,a=n.max;if(void 0!==s&&void 0!==a){if(t.setX(Math.max(Math.abs(s[0]),Math.abs(a[0]))),t.setY(Math.max(Math.abs(s[1]),Math.abs(a[1]))),t.setZ(Math.max(Math.abs(s[2]),Math.abs(a[2]))),n.normalized){const e=cd(ju[n.componentType]);t.multiplyScalar(e)}e.max(t)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}r.expandByVector(e)}e.boundingBox=r;const a=new qi;r.getCenter(a.center),a.radius=r.min.distanceTo(r.max)/2,e.boundingSphere=a}(e,t,i),Promise.all(r).then((function(){return void 0!==t.targets?function(e,t,i){let n=!1,r=!1,s=!1;for(let e=0,i=t.length;e<i;e++){const i=t[e];if(void 0!==i.POSITION&&(n=!0),void 0!==i.NORMAL&&(r=!0),void 0!==i.COLOR_0&&(s=!0),n&&r&&s)break}if(!n&&!r&&!s)return Promise.resolve(e);const a=[],o=[],l=[];for(let c=0,h=t.length;c<h;c++){const h=t[c];if(n){const t=void 0!==h.POSITION?i.getDependency("accessor",h.POSITION):e.attributes.position;a.push(t)}if(r){const t=void 0!==h.NORMAL?i.getDependency("accessor",h.NORMAL):e.attributes.normal;o.push(t)}if(s){const t=void 0!==h.COLOR_0?i.getDependency("accessor",h.COLOR_0):e.attributes.color;l.push(t)}}return Promise.all([Promise.all(a),Promise.all(o),Promise.all(l)]).then((function(t){const i=t[0],a=t[1],o=t[2];return n&&(e.morphAttributes.position=i),r&&(e.morphAttributes.normal=a),s&&(e.morphAttributes.color=o),e.morphTargetsRelative=!0,e}))}(e,t.targets,i):e}))}class pd{constructor(e=4){this.pool=e,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(e){if(!this.workers[e]){const t=this.workerCreator();t.addEventListener("message",this._onMessage.bind(this,e)),this.workers[e]=t}}_getIdleWorker(){for(let e=0;e<this.pool;e++)if(!(this.workerStatus&1<<e))return e;return-1}_onMessage(e,t){const i=this.workersResolve[e];if(i&&i(t),this.queue.length){const{resolve:t,msg:i,transfer:n}=this.queue.shift();this.workersResolve[e]=t,this.workers[e].postMessage(i,n)}else this.workerStatus^=1<<e}setWorkerCreator(e){this.workerCreator=e}setWorkerLimit(e){this.pool=e}postMessage(e,t){return new Promise((i=>{const n=this._getIdleWorker();-1!==n?(this._initWorker(n),this.workerStatus|=1<<n,this.workersResolve[n]=i,this.workers[n].postMessage(e,t)):this.queue.push({resolve:i,msg:e,transfer:t})}))}dispose(){this.workers.forEach((e=>e.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}const Ad=9,md=15,gd=16,fd=22,bd=37,vd=43,yd=76,_d=83,Ed=97,xd=100,Sd=103,Cd=109,wd=165,Id=166,Md=1000066e3;class Td{constructor(){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}}class Bd{constructor(e,t,i,n){this._dataView=void 0,this._littleEndian=void 0,this._offset=void 0,this._dataView=new DataView(e.buffer,e.byteOffset+t,i),this._littleEndian=n,this._offset=0}_nextUint8(){const e=this._dataView.getUint8(this._offset);return this._offset+=1,e}_nextUint16(){const e=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,e}_nextUint32(){const e=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,e}_nextUint64(){const e=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,e}_nextInt32(){const e=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,e}_nextUint8Array(e){const t=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,e);return this._offset+=e,t}_skip(e){return this._offset+=e,this}_scan(e,t){void 0===t&&(t=0);const i=this._offset;let n=0;for(;this._dataView.getUint8(this._offset)!==t&&n<e;)n++,this._offset++;return n<e&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+i,n)}}const Rd=[171,75,84,88,32,50,48,187,13,10,26,10];function Dd(e){return(new TextDecoder).decode(e)}let Ld,Ud,Pd;const Fd={env:{emscripten_notify_memory_growth:function(e){Pd=new Uint8Array(Ud.exports.memory.buffer)}}};class Nd{init(){return Ld||(Ld="undefined"!=typeof fetch?fetch("data:application/wasm;base64,"+Qd).then((e=>e.arrayBuffer())).then((e=>WebAssembly.instantiate(e,Fd))).then(this._init):WebAssembly.instantiate(Buffer.from(Qd,"base64"),Fd).then(this._init),Ld)}_init(e){Ud=e.instance,Fd.env.emscripten_notify_memory_growth(0)}decode(e,t=0){if(!Ud)throw new Error("ZSTDDecoder: Await .init() before decoding.");const i=e.byteLength,n=Ud.exports.malloc(i);Pd.set(e,n),t=t||Number(Ud.exports.ZSTD_findDecompressedSize(n,i));const r=Ud.exports.malloc(t),s=Ud.exports.ZSTD_decompress(r,t,n,i),a=Pd.slice(r,r+s);return Ud.exports.free(n),Ud.exports.free(r),a}}const Qd="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WeakMap;let Od,Gd=0;class Hd extends Ta{constructor(e){super(e),this.transcoderPath="",this.transcoderBinary=null,this.transcoderPending=null,this.workerPool=new pd,this.workerSourceURL="",this.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+.')}setTranscoderPath(e){return this.transcoderPath=e,this}setWorkerLimit(e){return this.workerPool.setWorkerLimit(e),this}async detectSupportAsync(e){return this.workerConfig={astcSupported:await e.hasFeatureAsync("texture-compression-astc"),astcHDRSupported:!1,etc1Supported:await e.hasFeatureAsync("texture-compression-etc1"),etc2Supported:await e.hasFeatureAsync("texture-compression-etc2"),dxtSupported:await e.hasFeatureAsync("texture-compression-bc"),bptcSupported:await e.hasFeatureAsync("texture-compression-bptc"),pvrtcSupported:await e.hasFeatureAsync("texture-compression-pvrtc")},this}detectSupport(e){return!0===e.isWebGPURenderer?this.workerConfig={astcSupported:e.hasFeature("texture-compression-astc"),astcHDRSupported:!1,etc1Supported:e.hasFeature("texture-compression-etc1"),etc2Supported:e.hasFeature("texture-compression-etc2"),dxtSupported:e.hasFeature("texture-compression-bc"),bptcSupported:e.hasFeature("texture-compression-bptc"),pvrtcSupported:e.hasFeature("texture-compression-pvrtc")}:this.workerConfig={astcSupported:e.extensions.has("WEBGL_compressed_texture_astc"),astcHDRSupported:e.extensions.has("WEBGL_compressed_texture_astc")&&e.extensions.get("WEBGL_compressed_texture_astc").getSupportedProfiles().includes("hdr"),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")},this}init(){if(!this.transcoderPending){const e=new Da(this.manager);e.setPath(this.transcoderPath),e.setWithCredentials(this.withCredentials);const t=e.loadAsync("basis_transcoder.js"),i=new Da(this.manager);i.setPath(this.transcoderPath),i.setResponseType("arraybuffer"),i.setWithCredentials(this.withCredentials);const n=i.loadAsync("basis_transcoder.wasm");this.transcoderPending=Promise.all([t,n]).then((([e,t])=>{const i=Hd.BasisWorker.toString(),n=["/* constants */","let _EngineFormat = "+JSON.stringify(Hd.EngineFormat),"let _EngineType = "+JSON.stringify(Hd.EngineType),"let _TranscoderFormat = "+JSON.stringify(Hd.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Hd.BasisFormat),"/* basis_transcoder.js */",e,"/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([n])),this.transcoderBinary=t,this.workerPool.setWorkerCreator((()=>{const e=new Worker(this.workerSourceURL),t=this.transcoderBinary.slice(0);return e.postMessage({type:"init",config:this.workerConfig,transcoderBinary:t},[t]),e}))})),Gd>0&&console.warn("THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."),Gd++}return this.transcoderPending}load(e,t,i,n){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");const r=new Da(this.manager);r.setResponseType("arraybuffer"),r.setWithCredentials(this.withCredentials),r.load(e,(e=>{this.parse(e,t,n)}),i,n)}parse(e,t,i){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");if(kd.has(e)){return kd.get(e).promise.then(t).catch(i)}this._createTexture(e).then((e=>t?t(e):null)).catch(i)}_createTextureFrom(e,t){const{type:i,error:n,data:{faces:r,width:s,height:a,format:o,type:l,dfdFlags:c}}=e;if("error"===i)return Promise.reject(n);let h;if(6===t.faceCount)h=new Zs(r,o,l);else{const e=r[0].mipmaps;h=t.layerCount>1?new $s(e,s,a,t.layerCount,o,l):new Js(e,s,a,o,l)}return h.minFilter=1===r[0].mipmaps.length?de:Ae,h.magFilter=de,h.generateMipmaps=!1,h.needsUpdate=!0,h.colorSpace=qd(t),h.premultiplyAlpha=!!(1&c),h}async _createTexture(e,t={}){const i=function(e){const t=new Uint8Array(e.buffer,e.byteOffset,Rd.length);if(t[0]!==Rd[0]||t[1]!==Rd[1]||t[2]!==Rd[2]||t[3]!==Rd[3]||t[4]!==Rd[4]||t[5]!==Rd[5]||t[6]!==Rd[6]||t[7]!==Rd[7]||t[8]!==Rd[8]||t[9]!==Rd[9]||t[10]!==Rd[10]||t[11]!==Rd[11])throw new Error("Missing KTX 2.0 identifier.");const i=new Td,n=17*Uint32Array.BYTES_PER_ELEMENT,r=new Bd(e,Rd.length,n,!0);i.vkFormat=r._nextUint32(),i.typeSize=r._nextUint32(),i.pixelWidth=r._nextUint32(),i.pixelHeight=r._nextUint32(),i.pixelDepth=r._nextUint32(),i.layerCount=r._nextUint32(),i.faceCount=r._nextUint32();const s=r._nextUint32();i.supercompressionScheme=r._nextUint32();const a=r._nextUint32(),o=r._nextUint32(),l=r._nextUint32(),c=r._nextUint32(),h=r._nextUint64(),u=r._nextUint64(),d=new Bd(e,Rd.length+n,3*s*8,!0);for(let t=0;t<s;t++)i.levels.push({levelData:new Uint8Array(e.buffer,e.byteOffset+d._nextUint64(),d._nextUint64()),uncompressedByteLength:d._nextUint64()});const p=new Bd(e,a,o,!0),A={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=(A.descriptorBlockSize/4-6)/4;for(let e=0;e<m;e++){const t={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&t.channelType?(t.sampleLower=p._nextInt32(),t.sampleUpper=p._nextInt32()):(t.sampleLower=p._nextUint32(),t.sampleUpper=p._nextUint32()),A.samples[e]=t}i.dataFormatDescriptor.length=0,i.dataFormatDescriptor.push(A);const g=new Bd(e,l,c,!0);for(;g._offset<c;){const e=g._nextUint32(),t=g._scan(e),n=Dd(t);if(i.keyValue[n]=g._nextUint8Array(e-t.byteLength-1),n.match(/^ktx/i)){const e=Dd(i.keyValue[n]);i.keyValue[n]=e.substring(0,e.lastIndexOf("\0"))}g._skip(e%4?4-e%4:0)}if(u<=0)return i;const f=new Bd(e,h,u,!0),b=f._nextUint16(),v=f._nextUint16(),y=f._nextUint32(),_=f._nextUint32(),E=f._nextUint32(),x=f._nextUint32(),S=[];for(let e=0;e<s;e++)S.push({imageFlags:f._nextUint32(),rgbSliceByteOffset:f._nextUint32(),rgbSliceByteLength:f._nextUint32(),alphaSliceByteOffset:f._nextUint32(),alphaSliceByteLength:f._nextUint32()});const C=h+f._offset,w=C+y,I=w+_,M=I+E,T=new Uint8Array(e.buffer,e.byteOffset+C,y),B=new Uint8Array(e.buffer,e.byteOffset+w,_),R=new Uint8Array(e.buffer,e.byteOffset+I,E),D=new Uint8Array(e.buffer,e.byteOffset+M,x);return i.globalData={endpointCount:b,selectorCount:v,imageDescs:S,endpointsData:T,selectorsData:B,tablesData:R,extendedData:D},i}(new Uint8Array(e)),n=i.vkFormat===Md&&167===i.dataFormatDescriptor[0].colorModel;if(!(0===i.vkFormat||n&&!this.workerConfig.astcHDRSupported))return async function(e){const{vkFormat:t}=e;if(void 0===Vd[t])throw new Error("THREE.KTX2Loader: Unsupported vkFormat.");let i;2===e.supercompressionScheme&&(Od||(Od=new Promise((async e=>{const t=new Nd;await t.init(),e(t)}))),i=await Od);const n=[];for(let r=0;r<e.levels.length;r++){const s=Math.max(1,e.pixelWidth>>r),a=Math.max(1,e.pixelHeight>>r),o=e.pixelDepth?Math.max(1,e.pixelDepth>>r):0,l=e.levels[r];let c,h;if(0===e.supercompressionScheme)c=l.levelData;else{if(2!==e.supercompressionScheme)throw new Error("THREE.KTX2Loader: Unsupported supercompressionScheme.");c=i.decode(l.levelData,l.uncompressedByteLength)}h=Wd[t]===_e?new Float32Array(c.buffer,c.byteOffset,c.byteLength/Float32Array.BYTES_PER_ELEMENT):Wd[t]===Ee?new Uint16Array(c.buffer,c.byteOffset,c.byteLength/Uint16Array.BYTES_PER_ELEMENT):c,n.push({data:h,width:s,height:a,depth:o})}let r;if(zd.has(Vd[t]))r=0===e.pixelDepth?new cs(n[0].data,e.pixelWidth,e.pixelHeight):new xi(n[0].data,e.pixelWidth,e.pixelHeight,e.pixelDepth);else{if(e.pixelDepth>0)throw new Error("THREE.KTX2Loader: Unsupported pixelDepth.");r=new Js(n,e.pixelWidth,e.pixelHeight),r.minFilter=1===n.length?de:Ae,r.magFilter=de}return r.mipmaps=n,r.type=Wd[t],r.format=Vd[t],r.colorSpace=qd(e),r.needsUpdate=!0,Promise.resolve(r)}(i);const r=t,s=this.init().then((()=>this.workerPool.postMessage({type:"transcode",buffer:e,taskConfig:r},[e]))).then((e=>this._createTextureFrom(e.data,i)));return kd.set(e,{promise:s}),s}dispose(){return this.workerPool.dispose(),this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),Gd--,this}}Hd.BasisFormat={ETC1S:0,UASTC:1,UASTC_HDR:2},Hd.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,BC6H:22,RGB_HALF:24,RGBA_HALF:25},Hd.EngineFormat={RGBAFormat:Ie,RGBA_ASTC_4x4_Format:qe,RGB_BPTC_UNSIGNED_Format:lt,RGBA_BPTC_Format:at,RGBA_ETC2_EAC_Format:We,RGBA_PVRTC_4BPPV1_Format:Ge,RGBA_S3TC_DXT5_Format:Qe,RGB_ETC1_Format:ze,RGB_ETC2_Format:Ve,RGB_PVRTC_4BPPV1_Format:ke,RGBA_S3TC_DXT1_Format:Fe},Hd.EngineType={UnsignedByteType:me,HalfFloatType:Ee,FloatType:_e},Hd.BasisWorker=function(){let e,t,i;const n=_EngineFormat,r=_EngineType,s=_TranscoderFormat,a=_BasisFormat;self.addEventListener("message",(function(n){const s=n.data;switch(s.type){case"init":e=s.config,o=s.transcoderBinary,t=new Promise((e=>{i={wasmBinary:o,onRuntimeInitialized:e},BASIS(i)})).then((()=>{i.initializeBasis(),void 0===i.KTX2File&&console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")}));break;case"transcode":t.then((()=>{try{const{faces:t,buffers:n,width:o,height:u,hasAlpha:d,format:p,type:A,dfdFlags:m}=function(t){const n=new i.KTX2File(new Uint8Array(t));function s(){n.close(),n.delete()}if(!n.isValid())throw s(),new Error("THREE.KTX2Loader:\tInvalid or unsupported .ktx2 file");let o;if(n.isUASTC())o=a.UASTC;else if(n.isETC1S())o=a.ETC1S;else{if(!n.isHDR())throw new Error("THREE.KTX2Loader: Unknown Basis encoding");o=a.UASTC_HDR}const u=n.getWidth(),d=n.getHeight(),p=n.getLayers()||1,A=n.getLevels(),m=n.getFaces(),g=n.getHasAlpha(),f=n.getDFDFlags(),{transcoderFormat:b,engineFormat:v,engineType:y}=function(t,i,n,r){const s=l[t];for(let a=0;a<s.length;a++){const o=s[a];if(o.if&&!e[o.if])continue;if(!o.basisFormat.includes(t))continue;if(r&&o.transcoderFormat.length<2)continue;if(o.needsPowerOfTwo&&(!c(i)||!c(n)))continue;return{transcoderFormat:o.transcoderFormat[r?1:0],engineFormat:o.engineFormat[r?1:0],engineType:o.engineType[0]}}throw new Error("THREE.KTX2Loader: Failed to identify transcoding target.")}(o,u,d,g);if(!u||!d||!A)throw s(),new Error("THREE.KTX2Loader:\tInvalid texture");if(!n.startTranscoding())throw s(),new Error("THREE.KTX2Loader: .startTranscoding failed");const _=[],E=[];for(let e=0;e<m;e++){const t=[];for(let i=0;i<A;i++){const a=[];let o,l;for(let t=0;t<p;t++){const c=n.getImageLevelInfo(i,t,e);0!==e||0!==i||0!==t||c.origWidth%4==0&&c.origHeight%4==0||console.warn("THREE.KTX2Loader: ETC1S and UASTC textures should use multiple-of-four dimensions."),A>1?(o=c.origWidth,l=c.origHeight):(o=c.width,l=c.height);let h=new Uint8Array(n.getImageTranscodedSizeInBytes(i,t,0,b));const u=n.transcodeImage(h,i,t,e,b,0,-1,-1);if(y===r.HalfFloatType&&(h=new Uint16Array(h.buffer,h.byteOffset,h.byteLength/Uint16Array.BYTES_PER_ELEMENT)),!u)throw s(),new Error("THREE.KTX2Loader: .transcodeImage failed.");a.push(h)}const c=h(a);t.push({data:c,width:o,height:l}),E.push(c.buffer)}_.push({mipmaps:t,width:u,height:d,format:v,type:y})}return s(),{faces:_,buffers:E,width:u,height:d,hasAlpha:g,dfdFlags:f,format:v,type:y}}(s.buffer);self.postMessage({type:"transcode",id:s.id,data:{faces:t,width:o,height:u,hasAlpha:d,format:p,type:A,dfdFlags:m}},n)}catch(e){console.error(e),self.postMessage({type:"error",id:s.id,error:e.message})}}))}var o}));const o=[{if:"astcSupported",basisFormat:[a.UASTC],transcoderFormat:[s.ASTC_4x4,s.ASTC_4x4],engineFormat:[n.RGBA_ASTC_4x4_Format,n.RGBA_ASTC_4x4_Format],engineType:[r.UnsignedByteType],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.BC7_M5,s.BC7_M5],engineFormat:[n.RGBA_BPTC_Format,n.RGBA_BPTC_Format],engineType:[r.UnsignedByteType],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.BC1,s.BC3],engineFormat:[n.RGBA_S3TC_DXT1_Format,n.RGBA_S3TC_DXT5_Format],engineType:[r.UnsignedByteType],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.ETC1,s.ETC2],engineFormat:[n.RGB_ETC2_Format,n.RGBA_ETC2_EAC_Format],engineType:[r.UnsignedByteType],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.ETC1],engineFormat:[n.RGB_ETC1_Format],engineType:[r.UnsignedByteType],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.PVRTC1_4_RGB,s.PVRTC1_4_RGBA],engineFormat:[n.RGB_PVRTC_4BPPV1_Format,n.RGBA_PVRTC_4BPPV1_Format],engineType:[r.UnsignedByteType],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0},{if:"bptcSupported",basisFormat:[a.UASTC_HDR],transcoderFormat:[s.BC6H],engineFormat:[n.RGB_BPTC_UNSIGNED_Format],engineType:[r.HalfFloatType],priorityHDR:1,needsPowerOfTwo:!1},{basisFormat:[a.ETC1S,a.UASTC],transcoderFormat:[s.RGBA32,s.RGBA32],engineFormat:[n.RGBAFormat,n.RGBAFormat],engineType:[r.UnsignedByteType,r.UnsignedByteType],priorityETC1S:100,priorityUASTC:100,needsPowerOfTwo:!1},{basisFormat:[a.UASTC_HDR],transcoderFormat:[s.RGBA_HALF],engineFormat:[n.RGBAFormat],engineType:[r.HalfFloatType],priorityHDR:100,needsPowerOfTwo:!1}],l={[a.ETC1S]:o.filter((e=>e.basisFormat.includes(a.ETC1S))).sort(((e,t)=>e.priorityUASTC-t.priorityUASTC)),[a.UASTC]:o.filter((e=>e.basisFormat.includes(a.UASTC))).sort(((e,t)=>e.priorityUASTC-t.priorityUASTC)),[a.UASTC_HDR]:o.filter((e=>e.basisFormat.includes(a.UASTC_HDR))).sort(((e,t)=>e.priorityHDR-t.priorityHDR))};function c(e){return e<=2||!(e&e-1)&&0!==e}function h(e){if(1===e.length)return e[0];let t=0;for(let i=0;i<e.length;i++){t+=e[i].byteLength}const i=new Uint8Array(t);let n=0;for(let t=0;t<e.length;t++){const r=e[t];i.set(r,n),n+=r.byteLength}return i}};const zd=new Set([Ie,De,Be]),Vd={[Cd]:Ie,[Ed]:Ie,[bd]:Ie,[vd]:Ie,[Sd]:De,[_d]:De,[gd]:De,[fd]:De,[xd]:Be,[yd]:Be,[md]:Be,[Ad]:Be,[Md]:qe,[Id]:Ke,[wd]:Ke},Wd={[Cd]:_e,[Ed]:Ee,[bd]:me,[vd]:me,[Sd]:_e,[_d]:Ee,[gd]:me,[fd]:me,[xd]:_e,[yd]:Ee,[md]:me,[Ad]:me,[Md]:Ee,[Id]:me,[wd]:me};function qd(e){const t=e.dataFormatDescriptor[0];return 1===t.colorPrimaries?2===t.transferFunction?xt:St:10===t.colorPrimaries?2===t.transferFunction?"display-p3":"display-p3-linear":(0===t.colorPrimaries||console.warn(`THREE.KTX2Loader: Unsupported color primaries, "${t.colorPrimaries}"`),Et)}
    518. 

  518. /* @license
    519. 

  519.  * Copyright 2019 Google LLC. All Rights Reserved.
    520. 

  520.  * Licensed under the Apache License, Version 2.0 (the 'License');
    521. 

  521.  * you may not use this file except in compliance with the License.
    522. 

  522.  * You may obtain a copy of the License at
    523. 

  523.  *
    524. 

  524.  *     http://www.apache.org/licenses/LICENSE-2.0
    525. 

  525.  *
    526. 

  526.  * Unless required by applicable law or agreed to in writing, software
    527. 

  527.  * distributed under the License is distributed on an 'AS IS' BASIS,
    528. 

  528.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    529. 

  529.  * See the License for the specific language governing permissions and
    530. 

  530.  * limitations under the License.
    531. 

  531.  */var jd,Xd;const Yd=Symbol("retainerCount"),Kd=Symbol("recentlyUsed"),Jd=Symbol("evict"),$d=Symbol("evictionThreshold"),Zd=Symbol("cache");class ep{constructor(e,t=5){this[jd]=new Map,this[Xd]=[],this[Zd]=e,this[$d]=t}set evictionThreshold(e){this[$d]=e,this[Jd]()}get evictionThreshold(){return this[$d]}get cache(){return this[Zd]}retainerCount(e){return this[Yd].get(e)||0}reset(){this[Yd].clear(),this[Kd]=[]}retain(e){this[Yd].has(e)||this[Yd].set(e,0),this[Yd].set(e,this[Yd].get(e)+1);const t=this[Kd].indexOf(e);-1!==t&&this[Kd].splice(t,1),this[Kd].unshift(e),this[Jd]()}release(e){this[Yd].has(e)&&this[Yd].set(e,Math.max(this[Yd].get(e)-1,0)),this[Jd]()}[(jd=Yd,Xd=Kd,Jd)](){if(!(this[Kd].length<this[$d]))for(let e=this[Kd].length-1;e>=this[$d];--e){const t=this[Kd][e];0===this[Yd].get(t)&&(this[Zd].delete(t),this[Kd].splice(e,1))}}}
    532. 

  532. /* @license
    533. 

  533.  * Copyright 2021 Google LLC. All Rights Reserved.
    534. 

  534.  * Licensed under the Apache License, Version 2.0 (the 'License');
    535. 

  535.  * you may not use this file except in compliance with the License.
    536. 

  536.  * You may obtain a copy of the License at
    537. 

  537.  *
    538. 

  538.  *     http://www.apache.org/licenses/LICENSE-2.0
    539. 

  539.  *
    540. 

  540.  * Unless required by applicable law or agreed to in writing, software
    541. 

  541.  * distributed under the License is distributed on an 'AS IS' BASIS,
    542. 

  542.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    543. 

  543.  * See the License for the specific language governing permissions and
    544. 

  544.  * limitations under the License.
    545. 

  545.  */const tp=e=>{const t=new Map;for(const i of e.mappings)for(const e of i.variants)t.set(e,{material:null,gltfMaterialIndex:i.material});return t};class ip{constructor(e){this.parser=e,this.name="KHR_materials_variants"}afterRoot(e){const t=this.parser,i=t.json;if(void 0===i.extensions||void 0===i.extensions[this.name])return null;const n=(e=>{const t=[],i=new Set;for(const n of e){let e=n,r=0;for(;i.has(e);)e=n+"."+ ++r;i.add(e),t.push(e)}return t})((i.extensions[this.name].variants||[]).map((e=>e.name)));for(const n of e.scenes)n.traverse((e=>{const n=e;if(!n.material)return;const r=t.associations.get(n);if(null==r||null==r.meshes||null==r.primitives)return;const s=i.meshes[r.meshes].primitives[r.primitives].extensions;s&&s[this.name]&&(n.userData.variantMaterials=tp(s[this.name]))}));return e.userData.variants=n,Promise.resolve()}}
    546. 

  546. /* @license
    547. 

  547.  * Copyright 2019 Google LLC. All Rights Reserved.
    548. 

  548.  * Licensed under the Apache License, Version 2.0 (the 'License');
    549. 

  549.  * you may not use this file except in compliance with the License.
    550. 

  550.  * You may obtain a copy of the License at
    551. 

  551.  *
    552. 

  552.  *     http://www.apache.org/licenses/LICENSE-2.0
    553. 

  553.  *
    554. 

  554.  * Unless required by applicable law or agreed to in writing, software
    555. 

  555.  * distributed under the License is distributed on an 'AS IS' BASIS,
    556. 

  556.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    557. 

  557.  * See the License for the specific language governing permissions and
    558. 

  558.  * limitations under the License.
    559. 

  559.  */var np,rp;bi.DEFAULT_ANISOTROPY=4;const sp=new Map,ap=new Map;let op;const lp=new class extends Ta{constructor(e){super(e),this.decoderPath="",this.decoderConfig={},this.decoderBinary=null,this.decoderPending=null,this.workerLimit=4,this.workerPool=[],this.workerNextTaskID=1,this.workerSourceURL="",this.defaultAttributeIDs={position:"POSITION",normal:"NORMAL",color:"COLOR",uv:"TEX_COORD"},this.defaultAttributeTypes={position:"Float32Array",normal:"Float32Array",color:"Float32Array",uv:"Float32Array"}}setDecoderPath(e){return this.decoderPath=e,this}setDecoderConfig(e){return this.decoderConfig=e,this}setWorkerLimit(e){return this.workerLimit=e,this}load(e,t,i,n){const r=new Da(this.manager);r.setPath(this.path),r.setResponseType("arraybuffer"),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(e,(e=>{this.parse(e,t,n)}),i,n)}parse(e,t,i=()=>{}){this.decodeDracoFile(e,t,null,null,xt,i).catch(i)}decodeDracoFile(e,t,i,n,r=St,s=()=>{}){const a={attributeIDs:i||this.defaultAttributeIDs,attributeTypes:n||this.defaultAttributeTypes,useUniqueIDs:!!i,vertexColorSpace:r};return this.decodeGeometry(e,a).then(t).catch(s)}decodeGeometry(e,t){const i=JSON.stringify(t);if(du.has(e)){const t=du.get(e);if(t.key===i)return t.promise;if(0===e.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let n;const r=this.workerNextTaskID++,s=e.byteLength,a=this._getWorker(r,s).then((i=>(n=i,new Promise(((i,s)=>{n._callbacks[r]={resolve:i,reject:s},n.postMessage({type:"decode",id:r,taskConfig:t,buffer:e},[e])}))))).then((e=>this._createGeometry(e.geometry)));return a.catch((()=>!0)).then((()=>{n&&r&&this._releaseTask(n,r)})),du.set(e,{key:i,promise:a}),a}_createGeometry(e){const t=new gr;e.index&&t.setIndex(new sr(e.index.array,1));for(let i=0;i<e.attributes.length;i++){const n=e.attributes[i],r=n.name,s=n.array,a=n.itemSize,o=new sr(s,a);"color"===r&&(this._assignVertexColorSpace(o,n.vertexColorSpace),o.normalized=s instanceof Float32Array==!1),t.setAttribute(r,o)}return t}_assignVertexColorSpace(e,t){if(t!==xt)return;const i=new Xn;for(let t=0,n=e.count;t<n;t++)i.fromBufferAttribute(e,t),ci.toWorkingColorSpace(i,xt),e.setXYZ(t,i.r,i.g,i.b)}_loadLibrary(e,t){const i=new Da(this.manager);return i.setPath(this.decoderPath),i.setResponseType(t),i.setWithCredentials(this.withCredentials),new Promise(((t,n)=>{i.load(e,t,void 0,n)}))}preload(){return this._initDecoder(),this}_initDecoder(){if(this.decoderPending)return this.decoderPending;const e="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,t=[];return e?t.push(this._loadLibrary("draco_decoder.js","text")):(t.push(this._loadLibrary("draco_wasm_wrapper.js","text")),t.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(t).then((t=>{const i=t[0];e||(this.decoderConfig.wasmBinary=t[1]);const n=pu.toString(),r=["/* draco decoder */",i,"","/* worker */",n.substring(n.indexOf("{")+1,n.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))})),this.decoderPending}_getWorker(e,t){return this._initDecoder().then((()=>{if(this.workerPool.length<this.workerLimit){const e=new Worker(this.workerSourceURL);e._callbacks={},e._taskCosts={},e._taskLoad=0,e.postMessage({type:"init",decoderConfig:this.decoderConfig}),e.onmessage=function(t){const i=t.data;switch(i.type){case"decode":e._callbacks[i.id].resolve(i);break;case"error":e._callbacks[i.id].reject(i);break;default:console.error('THREE.DRACOLoader: Unexpected message, "'+i.type+'"')}},this.workerPool.push(e)}else this.workerPool.sort((function(e,t){return e._taskLoad>t._taskLoad?-1:1}));const i=this.workerPool[this.workerPool.length-1];return i._taskCosts[e]=t,i._taskLoad+=t,i}))}_releaseTask(e,t){e._taskLoad-=e._taskCosts[t],delete e._callbacks[t],delete e._taskCosts[t]}debug(){console.log("Task load: ",this.workerPool.map((e=>e._taskLoad)))}dispose(){for(let e=0;e<this.workerPool.length;++e)this.workerPool[e].terminate();return this.workerPool.length=0,""!==this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),this}};let cp;const hp=new Hd;let up,dp;const pp=Symbol("loader"),Ap=Symbol("evictionPolicy"),mp=Symbol("GLTFInstance");class gp extends Ot{static setDRACODecoderLocation(e){op=e,lp.setDecoderPath(e)}static getDRACODecoderLocation(){return op}static setKTX2TranscoderLocation(e){cp=e,hp.setTranscoderPath(e)}static getKTX2TranscoderLocation(){return cp}static setMeshoptDecoderLocation(e){var t;up!==e&&(up=e,dp=(t=e,new Promise(((e,i)=>{const n=document.createElement("script");document.body.appendChild(n),n.onload=e,n.onerror=i,n.async=!0,n.src=t}))).then((()=>uu.ready)).then((()=>uu)))}static getMeshoptDecoderLocation(){return up}static initializeKTX2Loader(e){hp.detectSupport(e)}static get cache(){return sp}static clearCache(){sp.forEach(((e,t)=>{this.delete(t)})),this[Ap].reset()}static has(e){return sp.has(e)}static async delete(e){if(!this.has(e))return;const t=sp.get(e);ap.delete(e),sp.delete(e);(await t).dispose()}static hasFinishedLoading(e){return!!ap.get(e)}constructor(e){super(),this[rp]=(new mu).register((e=>new ip(e))),this[mp]=e,this[pp].setDRACOLoader(lp),this[pp].setKTX2Loader(hp)}get[(np=Ap,rp=pp,Ap)](){return this.constructor[Ap]}async preload(e,t,i=()=>{}){if(this[pp].setWithCredentials(t.withCredentials),this.dispatchEvent({type:"preload",element:t,src:e}),!sp.has(e)){null!=dp&&this[pp].setMeshoptDecoder(await dp);const t=((e,t,i=()=>{})=>{const n=e=>{const t=e.loaded/e.total;i(Math.max(0,Math.min(1,isFinite(t)?t:1)))};return new Promise(((i,r)=>{t.load(e,i,n,r)}))})(e,this[pp],(e=>{i(.8*e)})),n=this[mp],r=t.then((e=>n.prepare(e))).then((e=>(i(.9),new n(e)))).catch((e=>(console.error(e),new n)));sp.set(e,r)}await sp.get(e),ap.set(e,!0),i&&i(1)}async load(e,t,i=()=>{}){await this.preload(e,t,i);const n=await sp.get(e),r=await n.clone();return this[Ap].retain(e),r.dispose=()=>{this[Ap].release(e)},r}}gp[np]=new ep(gp);class fp extends Tn{constructor(e=document.createElement("div")){super(),this.isCSS2DObject=!0,this.element=e,this.element.style.position="absolute",this.element.style.userSelect="none",this.element.setAttribute("draggable",!1),this.center=new $t(.5,.5),this.addEventListener("removed",(function(){this.traverse((function(e){e.element instanceof e.element.ownerDocument.defaultView.Element&&null!==e.element.parentNode&&e.element.remove()}))}))}copy(e,t){return super.copy(e,t),this.element=e.element.cloneNode(!0),this.center=e.center,this}}const bp=new Ci,vp=new tn,yp=new tn,_p=new Ci,Ep=new Ci;class xp{constructor(e={}){const t=this;let i,n,r,s;const a={objects:new WeakMap},o=void 0!==e.element?e.element:document.createElement("div");function l(e){e.isCSS2DObject&&(e.element.style.display="none");for(let t=0,i=e.children.length;t<i;t++)l(e.children[t])}function c(e,i,n){if(!1!==e.visible){if(e.isCSS2DObject){bp.setFromMatrixPosition(e.matrixWorld),bp.applyMatrix4(yp);const l=bp.z>=-1&&bp.z<=1&&!0===e.layers.test(n.layers),c=e.element;c.style.display=!0===l?"":"none",!0===l&&(e.onBeforeRender(t,i,n),c.style.transform="translate("+-100*e.center.x+"%,"+-100*e.center.y+"%)translate("+(bp.x*r+r)+"px,"+(-bp.y*s+s)+"px)",c.parentNode!==o&&o.appendChild(c),e.onAfterRender(t,i,n));const u={distanceToCameraSquared:h(n,e)};a.objects.set(e,u)}for(let t=0,r=e.children.length;t<r;t++)c(e.children[t],i,n)}else l(e)}function h(e,t){return _p.setFromMatrixPosition(e.matrixWorld),Ep.setFromMatrixPosition(t.matrixWorld),_p.distanceToSquared(Ep)}o.style.overflow="hidden",this.domElement=o,this.getSize=function(){return{width:i,height:n}},this.render=function(e,t){!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),vp.copy(t.matrixWorldInverse),yp.multiplyMatrices(t.projectionMatrix,vp),c(e,e,t),function(e){const t=function(e){const t=[];return e.traverseVisible((function(e){e.isCSS2DObject&&t.push(e)})),t}(e).sort((function(e,t){if(e.renderOrder!==t.renderOrder)return t.renderOrder-e.renderOrder;return a.objects.get(e).distanceToCameraSquared-a.objects.get(t).distanceToCameraSquared})),i=t.length;for(let e=0,n=t.length;e<n;e++)t[e].element.style.zIndex=i-e}(e)},this.setSize=function(e,t){i=e,n=t,r=i/2,s=n/2,o.style.width=e+"px",o.style.height=t+"px"}}}function Sp(e,t,i){let n=i;const r=new Ci;return e.updateWorldMatrix(!0,!0),e.traverseVisible((e=>{const{geometry:i}=e;if(void 0!==i){const{position:s}=i.attributes;if(void 0!==s)for(let i=0,a=s.count;i<a;i++)e.isMesh?e.getVertexPosition(i,r):r.fromBufferAttribute(s,i),e.isSkinnedMesh||r.applyMatrix4(e.matrixWorld),n=t(n,r)}})),n}const Cp={POSITION:["byte","byte normalized","unsigned byte","unsigned byte normalized","short","short normalized","unsigned short","unsigned short normalized"],NORMAL:["byte normalized","short normalized"],TANGENT:["byte normalized","short normalized"],TEXCOORD:["byte","byte normalized","unsigned byte","short","short normalized","unsigned short"]};class wp{constructor(){this.textureUtils=null,this.pluginCallbacks=[],this.register((function(e){return new aA(e)})),this.register((function(e){return new oA(e)})),this.register((function(e){return new uA(e)})),this.register((function(e){return new dA(e)})),this.register((function(e){return new pA(e)})),this.register((function(e){return new AA(e)})),this.register((function(e){return new lA(e)})),this.register((function(e){return new cA(e)})),this.register((function(e){return new hA(e)})),this.register((function(e){return new mA(e)})),this.register((function(e){return new gA(e)})),this.register((function(e){return new fA(e)})),this.register((function(e){return new bA(e)})),this.register((function(e){return new vA(e)}))}register(e){return-1===this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.push(e),this}unregister(e){return-1!==this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e),1),this}setTextureUtils(e){return this.textureUtils=e,this}parse(e,t,i,n){const r=new sA,s=[];for(let e=0,t=this.pluginCallbacks.length;e<t;e++)s.push(this.pluginCallbacks[e](r));r.setPlugins(s),r.setTextureUtils(this.textureUtils),r.writeAsync(e,t,n).catch(i)}parseAsync(e,t){const i=this;return new Promise((function(n,r){i.parse(e,n,r,t)}))}}const Ip=0,Mp=1,Tp=2,Bp=3,Rp=4,Dp=5120,Lp=5121,Up=5122,Pp=5123,Fp=5124,Np=5125,Qp=5126,kp=34962,Op=34963,Gp=9728,Hp=9729,zp=9984,Vp=9985,Wp=9986,qp=9987,jp=33071,Xp=33648,Yp=10497,Kp="KHR_mesh_quantization",Jp={};Jp[1003]=Gp,Jp[1004]=zp,Jp[1005]=Wp,Jp[1006]=Hp,Jp[1007]=Vp,Jp[1008]=qp,Jp[1001]=jp,Jp[1e3]=Yp,Jp[1002]=Xp;const $p={scale:"scale",position:"translation",quaternion:"rotation",morphTargetInfluences:"weights"},Zp=new Xn;function eA(e,t){return e.length===t.length&&e.every((function(e,i){return e===t[i]}))}function tA(e){return 4*Math.ceil(e/4)}function iA(e,t=0){const i=tA(e.byteLength);if(i!==e.byteLength){const n=new Uint8Array(i);if(n.set(new Uint8Array(e)),0!==t)for(let r=e.byteLength;r<i;r++)n[r]=t;return n.buffer}return e}function nA(){return"undefined"==typeof document&&"undefined"!=typeof OffscreenCanvas?new OffscreenCanvas(1,1):document.createElement("canvas")}function rA(e,t){if(void 0!==e.toBlob)return new Promise((i=>e.toBlob(i,t)));let i;return"image/jpeg"===t?i=.92:"image/webp"===t&&(i=.8),e.convertToBlob({type:t,quality:i})}class sA{constructor(){this.plugins=[],this.options={},this.pending=[],this.buffers=[],this.byteOffset=0,this.buffers=[],this.nodeMap=new Map,this.skins=[],this.extensionsUsed={},this.extensionsRequired={},this.uids=new Map,this.uid=0,this.json={asset:{version:"2.0",generator:"THREE.GLTFExporter r"+S}},this.cache={meshes:new Map,attributes:new Map,attributesNormalized:new Map,materials:new Map,textures:new Map,images:new Map},this.textureUtils=null}setPlugins(e){this.plugins=e}setTextureUtils(e){this.textureUtils=e}async writeAsync(e,t,i={}){this.options=Object.assign({binary:!1,trs:!1,onlyVisible:!0,maxTextureSize:1/0,animations:[],includeCustomExtensions:!1},i),this.options.animations.length>0&&(this.options.trs=!0),await this.processInputAsync(e),await Promise.all(this.pending);const n=this,r=n.buffers,s=n.json;i=n.options;const a=n.extensionsUsed,o=n.extensionsRequired,l=new Blob(r,{type:"application/octet-stream"}),c=Object.keys(a),h=Object.keys(o);if(c.length>0&&(s.extensionsUsed=c),h.length>0&&(s.extensionsRequired=h),s.buffers&&s.buffers.length>0&&(s.buffers[0].byteLength=l.size),!0===i.binary){const e=new FileReader;e.readAsArrayBuffer(l),e.onloadend=function(){const i=iA(e.result),n=new DataView(new ArrayBuffer(8));n.setUint32(0,i.byteLength,!0),n.setUint32(4,5130562,!0);const r=iA((a=JSON.stringify(s),(new TextEncoder).encode(a).buffer),32);var a;const o=new DataView(new ArrayBuffer(8));o.setUint32(0,r.byteLength,!0),o.setUint32(4,1313821514,!0);const l=new ArrayBuffer(12),c=new DataView(l);c.setUint32(0,1179937895,!0),c.setUint32(4,2,!0);const h=12+o.byteLength+r.byteLength+n.byteLength+i.byteLength;c.setUint32(8,h,!0);const u=new Blob([l,o,r,n,i],{type:"application/octet-stream"}),d=new FileReader;d.readAsArrayBuffer(u),d.onloadend=function(){t(d.result)}}}else if(s.buffers&&s.buffers.length>0){const e=new FileReader;e.readAsDataURL(l),e.onloadend=function(){const i=e.result;s.buffers[0].uri=i,t(s)}}else t(s)}serializeUserData(e,t){if(0===Object.keys(e.userData).length)return;const i=this.options,n=this.extensionsUsed;try{const r=JSON.parse(JSON.stringify(e.userData));if(i.includeCustomExtensions&&r.gltfExtensions){void 0===t.extensions&&(t.extensions={});for(const e in r.gltfExtensions)t.extensions[e]=r.gltfExtensions[e],n[e]=!0;delete r.gltfExtensions}Object.keys(r).length>0&&(t.extras=r)}catch(t){console.warn("THREE.GLTFExporter: userData of '"+e.name+"' won't be serialized because of JSON.stringify error - "+t.message)}}getUID(e,t=!1){if(!1===this.uids.has(e)){const t=new Map;t.set(!0,this.uid++),t.set(!1,this.uid++),this.uids.set(e,t)}return this.uids.get(e).get(t)}isNormalizedNormalAttribute(e){if(this.cache.attributesNormalized.has(e))return!1;const t=new Ci;for(let i=0,n=e.count;i<n;i++)if(Math.abs(t.fromBufferAttribute(e,i).length()-1)>5e-4)return!1;return!0}createNormalizedNormalAttribute(e){const t=this.cache;if(t.attributesNormalized.has(e))return t.attributesNormalized.get(e);const i=e.clone(),n=new Ci;for(let e=0,t=i.count;e<t;e++)n.fromBufferAttribute(i,e),0===n.x&&0===n.y&&0===n.z?n.setX(1):n.normalize(),i.setXYZ(e,n.x,n.y,n.z);return t.attributesNormalized.set(e,i),i}applyTextureTransform(e,t){let i=!1;const n={};0===t.offset.x&&0===t.offset.y||(n.offset=t.offset.toArray(),i=!0),0!==t.rotation&&(n.rotation=t.rotation,i=!0),1===t.repeat.x&&1===t.repeat.y||(n.scale=t.repeat.toArray(),i=!0),i&&(e.extensions=e.extensions||{},e.extensions.KHR_texture_transform=n,this.extensionsUsed.KHR_texture_transform=!0)}async buildMetalRoughTextureAsync(e,t){if(e===t)return e;function i(e){return e.colorSpace===xt?function(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}:function(e){return e}}e instanceof Js&&(e=await this.decompressTextureAsync(e)),t instanceof Js&&(t=await this.decompressTextureAsync(t));const n=e?e.image:null,r=t?t.image:null,s=Math.max(n?n.width:0,r?r.width:0),a=Math.max(n?n.height:0,r?r.height:0),o=nA();o.width=s,o.height=a;const l=o.getContext("2d",{willReadFrequently:!0});l.fillStyle="#00ffff",l.fillRect(0,0,s,a);const c=l.getImageData(0,0,s,a);if(n){l.drawImage(n,0,0,s,a);const t=i(e),r=l.getImageData(0,0,s,a).data;for(let e=2;e<r.length;e+=4)c.data[e]=256*t(r[e]/256)}if(r){l.drawImage(r,0,0,s,a);const e=i(t),n=l.getImageData(0,0,s,a).data;for(let t=1;t<n.length;t+=4)c.data[t]=256*e(n[t]/256)}l.putImageData(c,0,0);const h=(e||t).clone();return h.source=new mi(o),h.colorSpace=Et,h.channel=(e||t).channel,e&&t&&e.channel!==t.channel&&console.warn("THREE.GLTFExporter: UV channels for metalnessMap and roughnessMap textures must match."),console.warn("THREE.GLTFExporter: Merged metalnessMap and roughnessMap textures."),h}async decompressTextureAsync(e,t=1/0){if(null===this.textureUtils)throw new Error("THREE.GLTFExporter: setTextureUtils() must be called to process compressed textures.");return await this.textureUtils.decompress(e,t)}processBuffer(e){const t=this.json,i=this.buffers;return t.buffers||(t.buffers=[{byteLength:0}]),i.push(e),0}processBufferView(e,t,i,n,r){const s=this.json;let a;switch(s.bufferViews||(s.bufferViews=[]),t){case Dp:case Lp:a=1;break;case Up:case Pp:a=2;break;default:a=4}let o=e.itemSize*a;r===kp&&(o=4*Math.ceil(o/4));const l=tA(n*o),c=new DataView(new ArrayBuffer(l));let h=0;for(let r=i;r<i+n;r++){for(let i=0;i<e.itemSize;i++){let n;e.itemSize>4?n=e.array[r*e.itemSize+i]:(0===i?n=e.getX(r):1===i?n=e.getY(r):2===i?n=e.getZ(r):3===i&&(n=e.getW(r)),!0===e.normalized&&(n=Jt.normalize(n,e.array))),t===Qp?c.setFloat32(h,n,!0):t===Fp?c.setInt32(h,n,!0):t===Np?c.setUint32(h,n,!0):t===Up?c.setInt16(h,n,!0):t===Pp?c.setUint16(h,n,!0):t===Dp?c.setInt8(h,n):t===Lp&&c.setUint8(h,n),h+=a}h%o!=0&&(h+=o-h%o)}const u={buffer:this.processBuffer(c.buffer),byteOffset:this.byteOffset,byteLength:l};void 0!==r&&(u.target=r),r===kp&&(u.byteStride=o),this.byteOffset+=l,s.bufferViews.push(u);return{id:s.bufferViews.length-1,byteLength:0}}processBufferViewImage(e){const t=this,i=t.json;return i.bufferViews||(i.bufferViews=[]),new Promise((function(n){const r=new FileReader;r.readAsArrayBuffer(e),r.onloadend=function(){const e=iA(r.result),s={buffer:t.processBuffer(e),byteOffset:t.byteOffset,byteLength:e.byteLength};t.byteOffset+=e.byteLength,n(i.bufferViews.push(s)-1)}}))}processAccessor(e,t,i,n){const r=this.json;let s;if(e.array.constructor===Float32Array)s=Qp;else if(e.array.constructor===Int32Array)s=Fp;else if(e.array.constructor===Uint32Array)s=Np;else if(e.array.constructor===Int16Array)s=Up;else if(e.array.constructor===Uint16Array)s=Pp;else if(e.array.constructor===Int8Array)s=Dp;else{if(e.array.constructor!==Uint8Array)throw new Error("THREE.GLTFExporter: Unsupported bufferAttribute component type: "+e.array.constructor.name);s=Lp}if(void 0===i&&(i=0),void 0!==n&&n!==1/0||(n=e.count),0===n)return null;const a=function(e,t,i){const n={min:new Array(e.itemSize).fill(Number.POSITIVE_INFINITY),max:new Array(e.itemSize).fill(Number.NEGATIVE_INFINITY)};for(let r=t;r<t+i;r++)for(let t=0;t<e.itemSize;t++){let i;e.itemSize>4?i=e.array[r*e.itemSize+t]:(0===t?i=e.getX(r):1===t?i=e.getY(r):2===t?i=e.getZ(r):3===t&&(i=e.getW(r)),!0===e.normalized&&(i=Jt.normalize(i,e.array))),n.min[t]=Math.min(n.min[t],i),n.max[t]=Math.max(n.max[t],i)}return n}(e,i,n);let o;void 0!==t&&(o=e===t.index?Op:kp);const l=this.processBufferView(e,s,i,n,o),c={bufferView:l.id,byteOffset:l.byteOffset,componentType:s,count:n,max:a.max,min:a.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",9:"MAT3",16:"MAT4"}[e.itemSize]};return!0===e.normalized&&(c.normalized=!0),r.accessors||(r.accessors=[]),r.accessors.push(c)-1}processImage(e,t,i,n="image/png"){if(null!==e){const r=this,s=r.cache,a=r.json,o=r.options,l=r.pending;s.images.has(e)||s.images.set(e,{});const c=s.images.get(e),h=n+":flipY/"+i.toString();if(void 0!==c[h])return c[h];a.images||(a.images=[]);const u={mimeType:n},d=nA();d.width=Math.min(e.width,o.maxTextureSize),d.height=Math.min(e.height,o.maxTextureSize);const p=d.getContext("2d",{willReadFrequently:!0});if(!0===i&&(p.translate(0,d.height),p.scale(1,-1)),void 0!==e.data){t!==Ie&&console.error("GLTFExporter: Only RGBAFormat is supported.",t),(e.width>o.maxTextureSize||e.height>o.maxTextureSize)&&console.warn("GLTFExporter: Image size is bigger than maxTextureSize",e);const i=new Uint8ClampedArray(e.height*e.width*4);for(let t=0;t<i.length;t+=4)i[t+0]=e.data[t+0],i[t+1]=e.data[t+1],i[t+2]=e.data[t+2],i[t+3]=e.data[t+3];p.putImageData(new ImageData(i,e.width,e.height),0,0)}else{if(!("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas))throw new Error("THREE.GLTFExporter: Invalid image type. Use HTMLImageElement, HTMLCanvasElement, ImageBitmap or OffscreenCanvas.");p.drawImage(e,0,0,d.width,d.height)}!0===o.binary?l.push(rA(d,n).then((e=>r.processBufferViewImage(e))).then((e=>{u.bufferView=e}))):void 0!==d.toDataURL?u.uri=d.toDataURL(n):l.push(rA(d,n).then((e=>(new FileReader).readAsDataURL(e))).then((e=>{u.uri=e})));const A=a.images.push(u)-1;return c[h]=A,A}throw new Error("THREE.GLTFExporter: No valid image data found. Unable to process texture.")}processSampler(e){const t=this.json;t.samplers||(t.samplers=[]);const i={magFilter:Jp[e.magFilter],minFilter:Jp[e.minFilter],wrapS:Jp[e.wrapS],wrapT:Jp[e.wrapT]};return t.samplers.push(i)-1}async processTextureAsync(e){const t=this.options,i=this.cache,n=this.json;if(i.textures.has(e))return i.textures.get(e);n.textures||(n.textures=[]),e instanceof Js&&(e=await this.decompressTextureAsync(e,t.maxTextureSize));let r=e.userData.mimeType;"image/webp"===r&&(r="image/png");const s={sampler:this.processSampler(e),source:this.processImage(e.image,e.format,e.flipY,r)};e.name&&(s.name=e.name),await this._invokeAllAsync((async function(t){t.writeTexture&&await t.writeTexture(e,s)}));const a=n.textures.push(s)-1;return i.textures.set(e,a),a}async processMaterialAsync(e){const t=this.cache,i=this.json;if(t.materials.has(e))return t.materials.get(e);if(e.isShaderMaterial)return console.warn("GLTFExporter: THREE.ShaderMaterial not supported."),null;i.materials||(i.materials=[]);const n={pbrMetallicRoughness:{}};!0!==e.isMeshStandardMaterial&&!0!==e.isMeshBasicMaterial&&console.warn("GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.");const r=e.color.toArray().concat([e.opacity]);if(eA(r,[1,1,1,1])||(n.pbrMetallicRoughness.baseColorFactor=r),e.isMeshStandardMaterial?(n.pbrMetallicRoughness.metallicFactor=e.metalness,n.pbrMetallicRoughness.roughnessFactor=e.roughness):(n.pbrMetallicRoughness.metallicFactor=0,n.pbrMetallicRoughness.roughnessFactor=1),e.metalnessMap||e.roughnessMap){const t=await this.buildMetalRoughTextureAsync(e.metalnessMap,e.roughnessMap),i={index:await this.processTextureAsync(t),texCoord:t.channel};this.applyTextureTransform(i,t),n.pbrMetallicRoughness.metallicRoughnessTexture=i}if(e.map){const t={index:await this.processTextureAsync(e.map),texCoord:e.map.channel};this.applyTextureTransform(t,e.map),n.pbrMetallicRoughness.baseColorTexture=t}if(e.emissive){const t=e.emissive;if(Math.max(t.r,t.g,t.b)>0&&(n.emissiveFactor=e.emissive.toArray()),e.emissiveMap){const t={index:await this.processTextureAsync(e.emissiveMap),texCoord:e.emissiveMap.channel};this.applyTextureTransform(t,e.emissiveMap),n.emissiveTexture=t}}if(e.normalMap){const t={index:await this.processTextureAsync(e.normalMap),texCoord:e.normalMap.channel};e.normalScale&&1!==e.normalScale.x&&(t.scale=e.normalScale.x),this.applyTextureTransform(t,e.normalMap),n.normalTexture=t}if(e.aoMap){const t={index:await this.processTextureAsync(e.aoMap),texCoord:e.aoMap.channel};1!==e.aoMapIntensity&&(t.strength=e.aoMapIntensity),this.applyTextureTransform(t,e.aoMap),n.occlusionTexture=t}e.transparent?n.alphaMode="BLEND":e.alphaTest>0&&(n.alphaMode="MASK",n.alphaCutoff=e.alphaTest),2===e.side&&(n.doubleSided=!0),""!==e.name&&(n.name=e.name),this.serializeUserData(e,n),await this._invokeAllAsync((async function(t){t.writeMaterialAsync&&await t.writeMaterialAsync(e,n)}));const s=i.materials.push(n)-1;return t.materials.set(e,s),s}async processMeshAsync(e){const t=this.cache,i=this.json,n=[e.geometry.uuid];if(Array.isArray(e.material))for(let t=0,i=e.material.length;t<i;t++)n.push(e.material[t].uuid);else n.push(e.material.uuid);const r=n.join(":");if(t.meshes.has(r))return t.meshes.get(r);const s=e.geometry;let a;a=e.isLineSegments?Mp:e.isLineLoop?Tp:e.isLine?Bp:e.isPoints?Ip:e.material.wireframe?Mp:Rp;const o={},l={},c=[],h=[],u={uv:"TEXCOORD_0",uv1:"TEXCOORD_1",uv2:"TEXCOORD_2",uv3:"TEXCOORD_3",color:"COLOR_0",skinWeight:"WEIGHTS_0",skinIndex:"JOINTS_0"},d=s.getAttribute("normal");void 0===d||this.isNormalizedNormalAttribute(d)||(console.warn("THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one."),s.setAttribute("normal",this.createNormalizedNormalAttribute(d)));let p=null;for(let e in s.attributes){if("morph"===e.slice(0,5))continue;const i=s.attributes[e];e=u[e]||e.toUpperCase();if(/^(POSITION|NORMAL|TANGENT|TEXCOORD_\d+|COLOR_\d+|JOINTS_\d+|WEIGHTS_\d+)$/.test(e)||(e="_"+e),t.attributes.has(this.getUID(i))){l[e]=t.attributes.get(this.getUID(i));continue}p=null;const n=i.array;"JOINTS_0"!==e||n instanceof Uint16Array||n instanceof Uint8Array?(n instanceof Uint32Array||n instanceof Int32Array)&&!e.startsWith("_")&&(console.warn(`GLTFExporter: Attribute "${e}" converted to type FLOAT.`),p=wp.Utils.toFloat32BufferAttribute(i)):(console.warn('GLTFExporter: Attribute "skinIndex" converted to type UNSIGNED_SHORT.'),p=new sr(new Uint16Array(n),i.itemSize,i.normalized));const r=this.processAccessor(p||i,s);null!==r&&(e.startsWith("_")||this.detectMeshQuantization(e,i),l[e]=r,t.attributes.set(this.getUID(i),r))}if(void 0!==d&&s.setAttribute("normal",d),0===Object.keys(l).length)return null;if(void 0!==e.morphTargetInfluences&&e.morphTargetInfluences.length>0){const i=[],n=[],r={};if(void 0!==e.morphTargetDictionary)for(const t in e.morphTargetDictionary)r[e.morphTargetDictionary[t]]=t;for(let a=0;a<e.morphTargetInfluences.length;++a){const o={};let l=!1;for(const e in s.morphAttributes){if("position"!==e&&"normal"!==e){l||(console.warn("GLTFExporter: Only POSITION and NORMAL morph are supported."),l=!0);continue}const i=s.morphAttributes[e][a],n=e.toUpperCase(),r=s.attributes[e];if(t.attributes.has(this.getUID(i,!0))){o[n]=t.attributes.get(this.getUID(i,!0));continue}const c=i.clone();if(!s.morphTargetsRelative)for(let e=0,t=i.count;e<t;e++)for(let t=0;t<i.itemSize;t++)0===t&&c.setX(e,i.getX(e)-r.getX(e)),1===t&&c.setY(e,i.getY(e)-r.getY(e)),2===t&&c.setZ(e,i.getZ(e)-r.getZ(e)),3===t&&c.setW(e,i.getW(e)-r.getW(e));o[n]=this.processAccessor(c,s),t.attributes.set(this.getUID(r,!0),o[n])}h.push(o),i.push(e.morphTargetInfluences[a]),void 0!==e.morphTargetDictionary&&n.push(r[a])}o.weights=i,n.length>0&&(o.extras={},o.extras.targetNames=n)}const A=Array.isArray(e.material);if(A&&0===s.groups.length)return null;let m=!1;if(A&&null===s.index){const e=[];for(let t=0,i=s.attributes.position.count;t<i;t++)e[t]=t;s.setIndex(e),m=!0}const g=A?e.material:[e.material],f=A?s.groups:[{materialIndex:0,start:void 0,count:void 0}];for(let e=0,i=f.length;e<i;e++){const i={mode:a,attributes:l};if(this.serializeUserData(s,i),h.length>0&&(i.targets=h),null!==s.index){let n=this.getUID(s.index);void 0===f[e].start&&void 0===f[e].count||(n+=":"+f[e].start+":"+f[e].count),t.attributes.has(n)?i.indices=t.attributes.get(n):(i.indices=this.processAccessor(s.index,s,f[e].start,f[e].count),t.attributes.set(n,i.indices)),null===i.indices&&delete i.indices}const n=await this.processMaterialAsync(g[f[e].materialIndex]);null!==n&&(i.material=n),c.push(i)}!0===m&&s.setIndex(null),o.primitives=c,i.meshes||(i.meshes=[]),await this._invokeAllAsync((function(t){t.writeMesh&&t.writeMesh(e,o)}));const b=i.meshes.push(o)-1;return t.meshes.set(r,b),b}detectMeshQuantization(e,t){if(this.extensionsUsed[Kp])return;let i;switch(t.array.constructor){case Int8Array:i="byte";break;case Uint8Array:i="unsigned byte";break;case Int16Array:i="short";break;case Uint16Array:i="unsigned short";break;default:return}t.normalized&&(i+=" normalized");const n=e.split("_",1)[0];Cp[n]&&Cp[n].includes(i)&&(this.extensionsUsed[Kp]=!0,this.extensionsRequired[Kp]=!0)}processCamera(e){const t=this.json;t.cameras||(t.cameras=[]);const i=e.isOrthographicCamera,n={type:i?"orthographic":"perspective"};return i?n.orthographic={xmag:2*e.right,ymag:2*e.top,zfar:e.far<=0?.001:e.far,znear:e.near<0?0:e.near}:n.perspective={aspectRatio:e.aspect,yfov:Jt.degToRad(e.fov),zfar:e.far<=0?.001:e.far,znear:e.near<0?0:e.near},""!==e.name&&(n.name=e.type),t.cameras.push(n)-1}processAnimation(e,t){const i=this.json,n=this.nodeMap;i.animations||(i.animations=[]);const r=(e=wp.Utils.mergeMorphTargetTracks(e.clone(),t)).tracks,s=[],a=[];for(let e=0;e<r.length;++e){const i=r[e],o=co.parseTrackName(i.name);let l=co.findNode(t,o.nodeName);const c=$p[o.propertyName];if("bones"===o.objectName&&(l=!0===l.isSkinnedMesh?l.skeleton.getBoneByName(o.objectIndex):void 0),!l||!c){console.warn('THREE.GLTFExporter: Could not export animation track "%s".',i.name);continue}const h=1;let u,d=i.values.length/i.times.length;c===$p.morphTargetInfluences&&(d/=l.morphTargetInfluences.length),!0===i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline?(u="CUBICSPLINE",d/=3):u=i.getInterpolation()===mt?"STEP":"LINEAR",a.push({input:this.processAccessor(new sr(i.times,h)),output:this.processAccessor(new sr(i.values,d)),interpolation:u}),s.push({sampler:a.length-1,target:{node:n.get(l),path:c}})}return i.animations.push({name:e.name||"clip_"+i.animations.length,samplers:a,channels:s}),i.animations.length-1}processSkin(e){const t=this.json,i=this.nodeMap,n=t.nodes[i.get(e)],r=e.skeleton;if(void 0===r)return null;const s=e.skeleton.bones[0];if(void 0===s)return null;const a=[],o=new Float32Array(16*r.bones.length),l=new tn;for(let t=0;t<r.bones.length;++t)a.push(i.get(r.bones[t])),l.copy(r.boneInverses[t]),l.multiply(e.bindMatrix).toArray(o,16*t);void 0===t.skins&&(t.skins=[]),t.skins.push({inverseBindMatrices:this.processAccessor(new sr(o,16)),joints:a,skeleton:i.get(s)});return n.skin=t.skins.length-1}async processNodeAsync(e){const t=this.json,i=this.options,n=this.nodeMap;t.nodes||(t.nodes=[]);const r={};if(i.trs){const t=e.quaternion.toArray(),i=e.position.toArray(),n=e.scale.toArray();eA(t,[0,0,0,1])||(r.rotation=t),eA(i,[0,0,0])||(r.translation=i),eA(n,[1,1,1])||(r.scale=n)}else e.matrixAutoUpdate&&e.updateMatrix(),!1===eA(e.matrix.elements,[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])&&(r.matrix=e.matrix.elements);if(""!==e.name&&(r.name=String(e.name)),this.serializeUserData(e,r),e.isMesh||e.isLine||e.isPoints){const t=await this.processMeshAsync(e);null!==t&&(r.mesh=t)}else e.isCamera&&(r.camera=this.processCamera(e));if(e.isSkinnedMesh&&this.skins.push(e),e.children.length>0){const t=[];for(let n=0,r=e.children.length;n<r;n++){const r=e.children[n];if(r.visible||!1===i.onlyVisible){const e=await this.processNodeAsync(r);null!==e&&t.push(e)}}t.length>0&&(r.children=t)}await this._invokeAllAsync((function(t){t.writeNode&&t.writeNode(e,r)}));const s=t.nodes.push(r)-1;return n.set(e,s),s}async processSceneAsync(e){const t=this.json,i=this.options;t.scenes||(t.scenes=[],t.scene=0);const n={};""!==e.name&&(n.name=e.name),t.scenes.push(n);const r=[];for(let t=0,n=e.children.length;t<n;t++){const n=e.children[t];if(n.visible||!1===i.onlyVisible){const e=await this.processNodeAsync(n);null!==e&&r.push(e)}}r.length>0&&(n.nodes=r),this.serializeUserData(e,n)}async processObjectsAsync(e){const t=new Xr;t.name="AuxScene";for(let i=0;i<e.length;i++)t.children.push(e[i]);await this.processSceneAsync(t)}async processInputAsync(e){const t=this.options;e=e instanceof Array?e:[e],await this._invokeAllAsync((function(t){t.beforeParse&&t.beforeParse(e)}));const i=[];for(let t=0;t<e.length;t++)e[t]instanceof Xr?await this.processSceneAsync(e[t]):i.push(e[t]);i.length>0&&await this.processObjectsAsync(i);for(let e=0;e<this.skins.length;++e)this.processSkin(this.skins[e]);for(let i=0;i<t.animations.length;++i)this.processAnimation(t.animations[i],e[0]);await this._invokeAllAsync((function(t){t.afterParse&&t.afterParse(e)}))}async _invokeAllAsync(e){for(let t=0,i=this.plugins.length;t<i;t++)await e(this.plugins[t])}}class aA{constructor(e){this.writer=e,this.name="KHR_lights_punctual"}writeNode(e,t){if(!e.isLight)return;if(!e.isDirectionalLight&&!e.isPointLight&&!e.isSpotLight)return void console.warn("THREE.GLTFExporter: Only directional, point, and spot lights are supported.",e);const i=this.writer,n=i.json,r=i.extensionsUsed,s={};e.name&&(s.name=e.name),s.color=e.color.toArray(),s.intensity=e.intensity,e.isDirectionalLight?s.type="directional":e.isPointLight?(s.type="point",e.distance>0&&(s.range=e.distance)):e.isSpotLight&&(s.type="spot",e.distance>0&&(s.range=e.distance),s.spot={},s.spot.innerConeAngle=(1-e.penumbra)*e.angle,s.spot.outerConeAngle=e.angle),void 0!==e.decay&&2!==e.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!e.target||e.target.parent===e&&0===e.target.position.x&&0===e.target.position.y&&-1===e.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1."),r[this.name]||(n.extensions=n.extensions||{},n.extensions[this.name]={lights:[]},r[this.name]=!0);const a=n.extensions[this.name].lights;a.push(s),t.extensions=t.extensions||{},t.extensions[this.name]={light:a.length-1}}}class oA{constructor(e){this.writer=e,this.name="KHR_materials_unlit"}async writeMaterialAsync(e,t){if(!e.isMeshBasicMaterial)return;const i=this.writer.extensionsUsed;t.extensions=t.extensions||{},t.extensions[this.name]={},i[this.name]=!0,t.pbrMetallicRoughness.metallicFactor=0,t.pbrMetallicRoughness.roughnessFactor=.9}}class lA{constructor(e){this.writer=e,this.name="KHR_materials_clearcoat"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0===e.clearcoat)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.clearcoatFactor=e.clearcoat,e.clearcoatMap){const t={index:await i.processTextureAsync(e.clearcoatMap),texCoord:e.clearcoatMap.channel};i.applyTextureTransform(t,e.clearcoatMap),r.clearcoatTexture=t}if(r.clearcoatRoughnessFactor=e.clearcoatRoughness,e.clearcoatRoughnessMap){const t={index:await i.processTextureAsync(e.clearcoatRoughnessMap),texCoord:e.clearcoatRoughnessMap.channel};i.applyTextureTransform(t,e.clearcoatRoughnessMap),r.clearcoatRoughnessTexture=t}if(e.clearcoatNormalMap){const t={index:await i.processTextureAsync(e.clearcoatNormalMap),texCoord:e.clearcoatNormalMap.channel};1!==e.clearcoatNormalScale.x&&(t.scale=e.clearcoatNormalScale.x),i.applyTextureTransform(t,e.clearcoatNormalMap),r.clearcoatNormalTexture=t}t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class cA{constructor(e){this.writer=e,this.name="KHR_materials_dispersion"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0===e.dispersion)return;const i=this.writer.extensionsUsed,n={};n.dispersion=e.dispersion,t.extensions=t.extensions||{},t.extensions[this.name]=n,i[this.name]=!0}}class hA{constructor(e){this.writer=e,this.name="KHR_materials_iridescence"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0===e.iridescence)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.iridescenceFactor=e.iridescence,e.iridescenceMap){const t={index:await i.processTextureAsync(e.iridescenceMap),texCoord:e.iridescenceMap.channel};i.applyTextureTransform(t,e.iridescenceMap),r.iridescenceTexture=t}if(r.iridescenceIor=e.iridescenceIOR,r.iridescenceThicknessMinimum=e.iridescenceThicknessRange[0],r.iridescenceThicknessMaximum=e.iridescenceThicknessRange[1],e.iridescenceThicknessMap){const t={index:await i.processTextureAsync(e.iridescenceThicknessMap),texCoord:e.iridescenceThicknessMap.channel};i.applyTextureTransform(t,e.iridescenceThicknessMap),r.iridescenceThicknessTexture=t}t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class uA{constructor(e){this.writer=e,this.name="KHR_materials_transmission"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0===e.transmission)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.transmissionFactor=e.transmission,e.transmissionMap){const t={index:await i.processTextureAsync(e.transmissionMap),texCoord:e.transmissionMap.channel};i.applyTextureTransform(t,e.transmissionMap),r.transmissionTexture=t}t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class dA{constructor(e){this.writer=e,this.name="KHR_materials_volume"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0===e.transmission)return;const i=this.writer,n=i.extensionsUsed,r={};if(r.thicknessFactor=e.thickness,e.thicknessMap){const t={index:await i.processTextureAsync(e.thicknessMap),texCoord:e.thicknessMap.channel};i.applyTextureTransform(t,e.thicknessMap),r.thicknessTexture=t}e.attenuationDistance!==1/0&&(r.attenuationDistance=e.attenuationDistance),r.attenuationColor=e.attenuationColor.toArray(),t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class pA{constructor(e){this.writer=e,this.name="KHR_materials_ior"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||1.5===e.ior)return;const i=this.writer.extensionsUsed,n={};n.ior=e.ior,t.extensions=t.extensions||{},t.extensions[this.name]=n,i[this.name]=!0}}class AA{constructor(e){this.writer=e,this.name="KHR_materials_specular"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||1===e.specularIntensity&&e.specularColor.equals(Zp)&&!e.specularIntensityMap&&!e.specularColorMap)return;const i=this.writer,n=i.extensionsUsed,r={};if(e.specularIntensityMap){const t={index:await i.processTextureAsync(e.specularIntensityMap),texCoord:e.specularIntensityMap.channel};i.applyTextureTransform(t,e.specularIntensityMap),r.specularTexture=t}if(e.specularColorMap){const t={index:await i.processTextureAsync(e.specularColorMap),texCoord:e.specularColorMap.channel};i.applyTextureTransform(t,e.specularColorMap),r.specularColorTexture=t}r.specularFactor=e.specularIntensity,r.specularColorFactor=e.specularColor.toArray(),t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class mA{constructor(e){this.writer=e,this.name="KHR_materials_sheen"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0==e.sheen)return;const i=this.writer,n=i.extensionsUsed,r={};if(e.sheenRoughnessMap){const t={index:await i.processTextureAsync(e.sheenRoughnessMap),texCoord:e.sheenRoughnessMap.channel};i.applyTextureTransform(t,e.sheenRoughnessMap),r.sheenRoughnessTexture=t}if(e.sheenColorMap){const t={index:await i.processTextureAsync(e.sheenColorMap),texCoord:e.sheenColorMap.channel};i.applyTextureTransform(t,e.sheenColorMap),r.sheenColorTexture=t}r.sheenRoughnessFactor=e.sheenRoughness,r.sheenColorFactor=e.sheenColor.toArray(),t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class gA{constructor(e){this.writer=e,this.name="KHR_materials_anisotropy"}async writeMaterialAsync(e,t){if(!e.isMeshPhysicalMaterial||0==e.anisotropy)return;const i=this.writer,n=i.extensionsUsed,r={};if(e.anisotropyMap){const t={index:await i.processTextureAsync(e.anisotropyMap)};i.applyTextureTransform(t,e.anisotropyMap),r.anisotropyTexture=t}r.anisotropyStrength=e.anisotropy,r.anisotropyRotation=e.anisotropyRotation,t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class fA{constructor(e){this.writer=e,this.name="KHR_materials_emissive_strength"}async writeMaterialAsync(e,t){if(!e.isMeshStandardMaterial||1===e.emissiveIntensity)return;const i=this.writer.extensionsUsed,n={};n.emissiveStrength=e.emissiveIntensity,t.extensions=t.extensions||{},t.extensions[this.name]=n,i[this.name]=!0}}class bA{constructor(e){this.writer=e,this.name="EXT_materials_bump"}async writeMaterialAsync(e,t){if(!e.isMeshStandardMaterial||1===e.bumpScale&&!e.bumpMap)return;const i=this.writer,n=i.extensionsUsed,r={};if(e.bumpMap){const t={index:await i.processTextureAsync(e.bumpMap),texCoord:e.bumpMap.channel};i.applyTextureTransform(t,e.bumpMap),r.bumpTexture=t}r.bumpFactor=e.bumpScale,t.extensions=t.extensions||{},t.extensions[this.name]=r,n[this.name]=!0}}class vA{constructor(e){this.writer=e,this.name="EXT_mesh_gpu_instancing"}writeNode(e,t){if(!e.isInstancedMesh)return;const i=this.writer,n=e,r=new Float32Array(3*n.count),s=new Float32Array(4*n.count),a=new Float32Array(3*n.count),o=new tn,l=new Ci,c=new Si,h=new Ci;for(let e=0;e<n.count;e++)n.getMatrixAt(e,o),o.decompose(l,c,h),l.toArray(r,3*e),c.toArray(s,4*e),h.toArray(a,3*e);const u={TRANSLATION:i.processAccessor(new sr(r,3)),ROTATION:i.processAccessor(new sr(s,4)),SCALE:i.processAccessor(new sr(a,3))};n.instanceColor&&(u._COLOR_0=i.processAccessor(n.instanceColor)),t.extensions=t.extensions||{},t.extensions[this.name]={attributes:u},i.extensionsUsed[this.name]=!0,i.extensionsRequired[this.name]=!0}}wp.Utils={insertKeyframe:function(e,t){const i=.001,n=e.getValueSize(),r=new e.TimeBufferType(e.times.length+1),s=new e.ValueBufferType(e.values.length+n),a=e.createInterpolant(new e.ValueBufferType(n));let o;if(0===e.times.length){r[0]=t;for(let e=0;e<n;e++)s[e]=0;o=0}else if(t<e.times[0]){if(Math.abs(e.times[0]-t)<i)return 0;r[0]=t,r.set(e.times,1),s.set(a.evaluate(t),0),s.set(e.values,n),o=0}else if(t>e.times[e.times.length-1]){if(Math.abs(e.times[e.times.length-1]-t)<i)return e.times.length-1;r[r.length-1]=t,r.set(e.times,0),s.set(e.values,0),s.set(a.evaluate(t),e.values.length),o=r.length-1}else for(let l=0;l<e.times.length;l++){if(Math.abs(e.times[l]-t)<i)return l;if(e.times[l]<t&&e.times[l+1]>t){r.set(e.times.slice(0,l+1),0),r[l+1]=t,r.set(e.times.slice(l+1),l+2),s.set(e.values.slice(0,(l+1)*n),0),s.set(a.evaluate(t),(l+1)*n),s.set(e.values.slice((l+1)*n),(l+2)*n),o=l+1;break}}return e.times=r,e.values=s,o},mergeMorphTargetTracks:function(e,t){const i=[],n={},r=e.tracks;for(let e=0;e<r.length;++e){let s=r[e];const a=co.parseTrackName(s.name),o=co.findNode(t,a.nodeName);if("morphTargetInfluences"!==a.propertyName||void 0===a.propertyIndex){i.push(s);continue}if(s.createInterpolant!==s.InterpolantFactoryMethodDiscrete&&s.createInterpolant!==s.InterpolantFactoryMethodLinear){if(s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline)throw new Error("THREE.GLTFExporter: Cannot merge tracks with glTF CUBICSPLINE interpolation.");console.warn("THREE.GLTFExporter: Morph target interpolation mode not yet supported. Using LINEAR instead."),s=s.clone(),s.setInterpolation(gt)}const l=o.morphTargetInfluences.length,c=o.morphTargetDictionary[a.propertyIndex];if(void 0===c)throw new Error("THREE.GLTFExporter: Morph target name not found: "+a.propertyIndex);let h;if(void 0===n[o.uuid]){h=s.clone();const e=new h.ValueBufferType(l*h.times.length);for(let t=0;t<h.times.length;t++)e[t*l+c]=h.values[t];h.name=(a.nodeName||"")+".morphTargetInfluences",h.values=e,n[o.uuid]=h,i.push(h);continue}const u=s.createInterpolant(new s.ValueBufferType(1));h=n[o.uuid];for(let e=0;e<h.times.length;e++)h.values[e*l+c]=u.evaluate(h.times[e]);for(let e=0;e<s.times.length;e++){const t=this.insertKeyframe(h,s.times[e]);h.values[t*l+c]=s.values[e]}}return e.tracks=i,e},toFloat32BufferAttribute:function(e){const t=new sr(new Float32Array(e.count*e.itemSize),e.itemSize,!1);if(!e.normalized&&!e.isInterleavedBufferAttribute)return t.array.set(e.array),t;for(let i=0,n=e.count;i<n;i++)for(let n=0;n<e.itemSize;n++)t.setComponent(i,n,e.getComponent(i,n));return t}};
    560. 

  560. /* @license
    561. 

  561.  * Copyright 2021 Google LLC. All Rights Reserved.
    562. 

  562.  * Licensed under the Apache License, Version 2.0 (the 'License');
    563. 

  563.  * you may not use this file except in compliance with the License.
    564. 

  564.  * You may obtain a copy of the License at
    565. 

  565.  *
    566. 

  566.  *     http://www.apache.org/licenses/LICENSE-2.0
    567. 

  567.  *
    568. 

  568.  * Unless required by applicable law or agreed to in writing, software
    569. 

  569.  * distributed under the License is distributed on an 'AS IS' BASIS,
    570. 

  570.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    571. 

  571.  * See the License for the specific language governing permissions and
    572. 

  572.  * limitations under the License.
    573. 

  573.  */
    574. 

  574. const yA=e=>void 0!==e.material&&e.userData&&e.userData.variantMaterials&&!!Array.from(e.userData.variantMaterials.values()).filter((e=>_A(e.material))),_A=e=>e&&e.isMaterial&&!Array.isArray(e);class EA{constructor(e){this.writer=e,this.name="KHR_materials_variants",this.variantNames=[]}beforeParse(e){const t=new Set,i=e=>{if(!yA(e))return;const i=e.userData.variantMaterials,n=e.userData.variantData;for(const[e,r]of n){const n=i.get(r.index);n&&_A(n.material)&&t.add(e)}};if(Array.isArray(e))for(const t of e)t.traverse(i);else e.traverse(i);t.forEach((e=>this.variantNames.push(e)))}async writeMesh(e,t){if(!yA(e))return;const i=e.userData,n=i.variantMaterials,r=i.variantData,s=new Map,a=new Map,o=Array.from(r.values()).sort(((e,t)=>e.index-t.index));for(const[e,t]of o.entries())a.set(t.index,e);for(const e of r.values()){const t=n.get(e.index);if(!t||!_A(t.material))continue;const i=await this.writer.processMaterialAsync(t.material);s.has(i)||s.set(i,{material:i,variants:[]}),s.get(i).variants.push(a.get(e.index))}const l=Array.from(s.values()).map((e=>e.variants.sort(((e,t)=>e-t))&&e)).sort(((e,t)=>e.material-t.material));if(0===l.length)return;const c=_A(i.originalMaterial)?await this.writer.processMaterialAsync(i.originalMaterial):-1;for(const e of t.primitives)c>=0&&(e.material=c),e.extensions=e.extensions||{},e.extensions[this.name]={mappings:l}}afterParse(){if(0===this.variantNames.length)return;const e=this.writer.json;e.extensions=e.extensions||{};const t=this.variantNames.map((e=>({name:e})));e.extensions[this.name]={variants:t},this.writer.extensionsUsed[this.name]=!0}}class xA{constructor(e,t,i,n,r){this.xrLight=e,this.renderer=t,this.lightProbe=i,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const s=t.xr.getSession();if(n&&"XRWebGLBinding"in window){const i=new Vr(16);e.environment=i.texture;const n=t.getContext();switch(s.preferredReflectionFormat){case"srgba8":n.getExtension("EXT_sRGB");break;case"rgba16f":n.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(s,n),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}s.requestAnimationFrame(this.frameCallback)}updateReflection(){const e=this.renderer.properties.get(this.xrLight.environment);if(e){const t=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);t&&(e.__webglTexture=t,this.xrLight.environment.needsPMREMUpdate=!0)}}onXRFrame(e,t){if(!this.xrLight)return;t.session.requestAnimationFrame(this.frameCallback);const i=t.getLightEstimate(this.lightProbe);if(i){this.xrLight.lightProbe.sh.fromArray(i.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const e=Math.max(1,Math.max(i.primaryLightIntensity.x,Math.max(i.primaryLightIntensity.y,i.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(i.primaryLightIntensity.x/e,i.primaryLightIntensity.y/e,i.primaryLightIntensity.z/e),this.xrLight.directionalLight.intensity=e,this.xrLight.directionalLight.position.copy(i.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class SA extends Wr{constructor(e,t=!0){super(),this.lightProbe=new $a,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new Ka,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let i=null,n=!1;e.xr.addEventListener("sessionstart",(()=>{const r=e.xr.getSession();"requestLightProbe"in r&&r.requestLightProbe({reflectionFormat:r.preferredReflectionFormat}).then((r=>{i=new xA(this,e,r,t,(()=>{n=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),e.xr.addEventListener("sessionend",(()=>{i&&(i.dispose(),i=null),n&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{i&&(i.dispose(),i=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}}
    575. 

  575. /* @license
    576. 

  576.  * Copyright 2020 Google LLC. All Rights Reserved.
    577. 

  577.  * Licensed under the Apache License, Version 2.0 (the 'License');
    578. 

  578.  * you may not use this file except in compliance with the License.
    579. 

  579.  * You may obtain a copy of the License at
    580. 

  580.  *
    581. 

  581.  *     http://www.apache.org/licenses/LICENSE-2.0
    582. 

  582.  *
    583. 

  583.  * Unless required by applicable law or agreed to in writing, software
    584. 

  584.  * distributed under the License is distributed on an 'AS IS' BASIS,
    585. 

  585.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    586. 

  586.  * See the License for the specific language governing permissions and
    587. 

  587.  * limitations under the License.
    588. 

  588.  */class CA{constructor(e=50){this.velocity=0,this.naturalFrequency=0,this.setDecayTime(e)}setDecayTime(e){this.naturalFrequency=1/Math.max(.001,e)}update(e,t,i,n){const r=2e-4*this.naturalFrequency;if(null==e||0===n)return t;if(e===t&&0===this.velocity)return t;if(i<0)return e;const s=e-t,a=this.velocity+this.naturalFrequency*s,o=s+i*a,l=Math.exp(-this.naturalFrequency*i),c=(a-this.naturalFrequency*o)*l,h=-this.naturalFrequency*(c+a*l);return Math.abs(c)<r*Math.abs(n)&&h*s>=0?(this.velocity=0,t):(this.velocity=c,t+o*l)}}
    589. 

  589. /* @license
    590. 

  590.  * Copyright 2020 Google LLC. All Rights Reserved.
    591. 

  591.  * Licensed under the Apache License, Version 2.0 (the 'License');
    592. 

  592.  * you may not use this file except in compliance with the License.
    593. 

  593.  * You may obtain a copy of the License at
    594. 

  594.  *
    595. 

  595.  *     http://www.apache.org/licenses/LICENSE-2.0
    596. 

  596.  *
    597. 

  597.  * Unless required by applicable law or agreed to in writing, software
    598. 

  598.  * distributed under the License is distributed on an 'AS IS' BASIS,
    599. 

  599.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    600. 

  600.  * See the License for the specific language governing permissions and
    601. 

  601.  * limitations under the License.
    602. 

  602.  */const wA=.2,IA=Math.PI/24,MA=new $t,TA=(e,t,i)=>{let n=t>0?i>0?0:-Math.PI/2:i>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)e.push(t+.17*Math.cos(n),i+.17*Math.sin(n),0,t+wA*Math.cos(n),i+wA*Math.sin(n),0),n+=IA};class BA extends Mr{constructor(e,t){const i=new gr,n=[],r=[],{size:s,boundingBox:a}=e,o=s.x/2,l=("back"===t?s.y:s.z)/2;TA(r,o,l),TA(r,-o,l),TA(r,-o,-l),TA(r,o,-l);const c=r.length/3;for(let e=0;e<c-2;e+=2)n.push(e,e+1,e+3,e,e+3,e+2);const h=c-2;n.push(h,h+1,1,h,1,0),i.setAttribute("position",new lr(r,3)),i.setIndex(n),super(i),this.side=t;const u=this.material;switch(u.side=2,u.transparent=!0,u.opacity=0,this.goalOpacity=0,this.opacityDamper=new CA,this.hitPlane=new Mr(new ia(2*(o+wA),2*(l+wA))),this.hitPlane.visible=!1,this.hitPlane.material.side=2,this.add(this.hitPlane),this.hitBox=new Mr(new Br(s.x+.4,s.y+wA,s.z+.4)),this.hitBox.visible=!1,this.hitBox.material.side=2,this.add(this.hitBox),a.getCenter(this.position),t){case"bottom":this.rotateX(-Math.PI/2),this.shadowHeight=a.min.y,this.position.y=this.shadowHeight;break;case"back":this.shadowHeight=a.min.z,this.position.z=this.shadowHeight}e.target.add(this),this.hitBox.position.y=(s.y+wA)/2+a.min.y,e.target.add(this.hitBox),this.offsetHeight=0}getHit(e,t,i){MA.set(t,-i),this.hitPlane.visible=!0;const n=e.positionAndNormalFromPoint(MA,this.hitPlane);return this.hitPlane.visible=!1,null==n?null:n.position}getExpandedHit(e,t,i){this.hitPlane.scale.set(1e3,1e3,1e3),this.hitPlane.updateMatrixWorld();const n=this.getHit(e,t,i);return this.hitPlane.scale.set(1,1,1),n}controllerIntersection(e,t){this.hitBox.visible=!0;const i=e.hitFromController(t,this.hitBox);return this.hitBox.visible=!1,i}set offsetHeight(e){e-=.001,"back"===this.side?this.position.z=this.shadowHeight+e:this.position.y=this.shadowHeight+e}get offsetHeight(){return"back"===this.side?this.position.z-this.shadowHeight:this.position.y-this.shadowHeight}set show(e){this.goalOpacity=e?.75:0}updateOpacity(e){const t=this.material;t.opacity=this.opacityDamper.update(t.opacity,this.goalOpacity,e,1),this.visible=t.opacity>0}dispose(){const{geometry:e,material:t}=this.hitPlane;e.dispose(),t.dispose(),this.hitBox.geometry.dispose(),this.hitBox.material.dispose(),this.geometry.dispose(),this.material.dispose(),this.hitBox.removeFromParent(),this.removeFromParent()}}
    603. 

  603. /* @license
    604. 

  604.  * Copyright 2019 Google LLC. All Rights Reserved.
    605. 

  605.  * Licensed under the Apache License, Version 2.0 (the 'License');
    606. 

  606.  * you may not use this file except in compliance with the License.
    607. 

  607.  * You may obtain a copy of the License at
    608. 

  608.  *
    609. 

  609.  *     http://www.apache.org/licenses/LICENSE-2.0
    610. 

  610.  *
    611. 

  611.  * Unless required by applicable law or agreed to in writing, software
    612. 

  612.  * distributed under the License is distributed on an 'AS IS' BASIS,
    613. 

  613.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    614. 

  614.  * See the License for the specific language governing permissions and
    615. 

  615.  * limitations under the License.
    616. 

  616.  */const RA=(e,t)=>({type:"number",number:e,unit:t}),DA=(()=>{const e={};return t=>{const i=t;if(i in e)return e[i];const n=[];let r=0;for(;t;){if(++r>1e3){t="";break}const e=LA(t),i=e.nodes[0];if(null==i||0===i.terms.length)break;n.push(i),t=e.remainingInput}return e[i]=n}})(),LA=(()=>{const e=/^(\-\-|[a-z\u0240-\uffff])/i,t=/^([\*\+\/]|[\-]\s)/i,i=/^[\),]/;return n=>{const r=[];for(;n.length&&(n=n.trim(),!i.test(n));)if("("===n[0]){const{nodes:e,remainingInput:t}=NA(n);n=t,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:e})}else if(e.test(n)){const e=UA(n),t=e.nodes[0];if("("===(n=e.remainingInput)[0]){const{nodes:e,remainingInput:i}=NA(n);r.push({type:"function",name:t,arguments:e}),n=i}else r.push(t)}else if(t.test(n))r.push({type:"operator",value:n[0]}),n=n.slice(1);else{const{nodes:e,remainingInput:t}="#"===n[0]?FA(n):PA(n);if(0===e.length)break;r.push(e[0]),n=t}return{nodes:[{type:"expression",terms:r}],remainingInput:n}}})(),UA=(()=>{const e=/[^a-z0-9_\-\u0240-\uffff]/i;return t=>{const i=t.match(e);return{nodes:[{type:"ident",value:null==i?t:t.substr(0,i.index)}],remainingInput:null==i?"":t.substr(i.index)}}})(),PA=(()=>{const e=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,t=/^[a-z%]+/i,i=/^(m|mm|cm|rad|deg|[%])$/;return n=>{const r=n.match(e),s=null==r?"0":r[0],a=(n=null==s?n:n.slice(s.length)).match(t);let o=null!=a&&""!==a[0]?a[0]:null;const l=null==a?n:n.slice(o.length);return null==o||i.test(o)||(o=null),{nodes:[{type:"number",number:parseFloat(s)||0,unit:o}],remainingInput:l}}})(),FA=(()=>{const e=/^[a-f0-9]*/i;return t=>{const i=(t=t.slice(1).trim()).match(e);return{nodes:null==i?[]:[{type:"hex",value:i[0]}],remainingInput:null==i?t:t.slice(i[0].length)}}})(),NA=e=>{const t=[];for(e=e.slice(1).trim();e.length;){const i=LA(e);if(t.push(i.nodes[0]),","===(e=i.remainingInput.trim())[0])e=e.slice(1).trim();else if(")"===e[0]){e=e.slice(1);break}}return{nodes:t,remainingInput:e}},QA=Symbol("visitedTypes");class kA{constructor(e){this[QA]=e}walk(e,t){const i=e.slice();for(;i.length;){const e=i.shift();switch(this[QA].indexOf(e.type)>-1&&t(e),e.type){case"expression":i.unshift(...e.terms);break;case"function":i.unshift(e.name,...e.arguments)}}}}const OA=Object.freeze({type:"number",number:0,unit:null}),GA=(e,t=0)=>{let{number:i,unit:n}=e;if(isFinite(i)){if("rad"===e.unit||null==e.unit)return e}else i=t,n="rad";return{type:"number",number:("deg"===n&&null!=i?i:0)*Math.PI/180,unit:"rad"}},HA=(e,t=0)=>{let i,{number:n,unit:r}=e;if(isFinite(n)){if("m"===e.unit)return e}else n=t,r="m";switch(r){default:i=1;break;case"cm":i=.01;break;case"mm":i=.001}return{type:"number",number:i*n,unit:"m"}},zA=(()=>{const e=e=>e,t={rad:e,deg:GA,m:e,mm:HA,cm:HA};return(e,i=OA)=>{isFinite(e.number)||(e.number=i.number,e.unit=i.unit);const{unit:n}=e;if(null==n)return e;const r=t[n];return null==r?i:r(e)}})();
    617. 

  617. /* @license
    618. 

  618.  * Copyright 2019 Google LLC. All Rights Reserved.
    619. 

  619.  * Licensed under the Apache License, Version 2.0 (the 'License');
    620. 

  620.  * you may not use this file except in compliance with the License.
    621. 

  621.  * You may obtain a copy of the License at
    622. 

  622.  *
    623. 

  623.  *     http://www.apache.org/licenses/LICENSE-2.0
    624. 

  624.  *
    625. 

  625.  * Unless required by applicable law or agreed to in writing, software
    626. 

  626.  * distributed under the License is distributed on an 'AS IS' BASIS,
    627. 

  627.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    628. 

  628.  * See the License for the specific language governing permissions and
    629. 

  629.  * limitations under the License.
    630. 

  630.  */
    631. 

  631. /* @license
    632. 

  632.  * Copyright 2019 Google LLC. All Rights Reserved.
    633. 

  633.  * Licensed under the Apache License, Version 2.0 (the 'License');
    634. 

  634.  * you may not use this file except in compliance with the License.
    635. 

  635.  * You may obtain a copy of the License at
    636. 

  636.  *
    637. 

  637.  *     http://www.apache.org/licenses/LICENSE-2.0
    638. 

  638.  *
    639. 

  639.  * Unless required by applicable law or agreed to in writing, software
    640. 

  640.  * distributed under the License is distributed on an 'AS IS' BASIS,
    641. 

  641.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    642. 

  642.  * See the License for the specific language governing permissions and
    643. 

  643.  * limitations under the License.
    644. 

  644.  */
    645. 

  645. var VA,WA,qA;const jA=Symbol("evaluate"),XA=Symbol("lastValue");class YA{constructor(){this[VA]=null}static evaluatableFor(e,t=OA){if(e instanceof YA)return e;if("number"===e.type)return"%"===e.unit?new $A(e,t):e;switch(e.name.value){case"calc":return new nm(e,t);case"env":return new em(e)}return OA}static evaluate(e){return e instanceof YA?e.evaluate():e}static isConstant(e){return!(e instanceof YA)||e.isConstant}static applyIntrinsics(e,t){const{basis:i,keywords:n}=t,{auto:r}=n;return i.map(((t,i)=>{const s=null==r[i]?t:r[i];let a=e[i]?e[i]:s;if("ident"===a.type){const e=a.value;e in n&&(a=n[e][i])}return null!=a&&"ident"!==a.type||(a=s),"%"===a.unit?RA(a.number/100*t.number,t.unit):(a=zA(a,t),a.unit!==t.unit?t:a)}))}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[XA]||(this[XA]=this[jA]()),this[XA]}}VA=XA;const KA=Symbol("percentage"),JA=Symbol("basis");class $A extends YA{constructor(e,t){super(),this[KA]=e,this[JA]=t}get isConstant(){return!0}[jA](){return RA(this[KA].number/100*this[JA].number,this[JA].unit)}}const ZA=Symbol("identNode");class em extends YA{constructor(e){super(),this[WA]=null;const t=e.arguments.length?e.arguments[0].terms[0]:null;null!=t&&"ident"===t.type&&(this[ZA]=t)}get isConstant(){return!1}[(WA=ZA,jA)](){if(null!=this[ZA]&&"window-scroll-y"===this[ZA].value){return{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}}return OA}}const tm=/[\*\/]/,im=Symbol("evaluator");class nm extends YA{constructor(e,t=OA){if(super(),this[qA]=null,1!==e.arguments.length)return;const i=e.arguments[0].terms.slice(),n=[];for(;i.length;){const e=i.shift();if(n.length>0){const i=n[n.length-1];if("operator"===i.type&&tm.test(i.value)){const i=n.pop(),r=n.pop();if(null==r)return;n.push(new om(i,YA.evaluatableFor(r,t),YA.evaluatableFor(e,t)));continue}}n.push("operator"===e.type?e:YA.evaluatableFor(e,t))}for(;n.length>2;){const[e,i,r]=n.splice(0,3);if("operator"!==i.type)return;n.unshift(new om(i,YA.evaluatableFor(e,t),YA.evaluatableFor(r,t)))}1===n.length&&(this[im]=n[0])}get isConstant(){return null==this[im]||YA.isConstant(this[im])}[(qA=im,jA)](){return null!=this[im]?YA.evaluate(this[im]):OA}}const rm=Symbol("operator"),sm=Symbol("left"),am=Symbol("right");class om extends YA{constructor(e,t,i){super(),this[rm]=e,this[sm]=t,this[am]=i}get isConstant(){return YA.isConstant(this[sm])&&YA.isConstant(this[am])}[jA](){const e=zA(YA.evaluate(this[sm])),t=zA(YA.evaluate(this[am])),{number:i,unit:n}=e,{number:r,unit:s}=t;if(null!=s&&null!=n&&s!=n)return OA;const a=n||s;let o;switch(this[rm].value){case"+":o=i+r;break;case"-":o=i-r;break;case"/":o=i/r;break;case"*":o=i*r;break;default:return OA}return{type:"number",number:o,unit:a}}}const lm=Symbol("evaluatables"),cm=Symbol("intrinsics");class hm extends YA{constructor(e,t){super(),this[cm]=t;const i=e[0],n=null!=i?i.terms:[];this[lm]=t.basis.map(((e,t)=>{const i=n[t];return null==i?{type:"ident",value:"auto"}:"ident"===i.type?i:YA.evaluatableFor(i,e)}))}get isConstant(){for(const e of this[lm])if(!YA.isConstant(e))return!1;return!0}[jA](){const e=this[lm].map((e=>YA.evaluate(e)));return YA.applyIntrinsics(e,this[cm]).map((e=>e.number))}}
    646. 

  646. /* @license
    647. 

  647.  * Copyright 2019 Google LLC. All Rights Reserved.
    648. 

  648.  * Licensed under the Apache License, Version 2.0 (the 'License');
    649. 

  649.  * you may not use this file except in compliance with the License.
    650. 

  650.  * You may obtain a copy of the License at
    651. 

  651.  *
    652. 

  652.  *     http://www.apache.org/licenses/LICENSE-2.0
    653. 

  653.  *
    654. 

  654.  * Unless required by applicable law or agreed to in writing, software
    655. 

  655.  * distributed under the License is distributed on an 'AS IS' BASIS,
    656. 

  656.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    657. 

  657.  * See the License for the specific language governing permissions and
    658. 

  658.  * limitations under the License.
    659. 

  659.  */var um,dm,pm,Am;const mm=Symbol("instances"),gm=Symbol("activateListener"),fm=Symbol("deactivateListener"),bm=Symbol("notifyInstances"),vm=Symbol("notify"),ym=Symbol("callback");class _m{static[bm](){for(const e of _m[mm])e[vm]()}static[(um=mm,gm)](){window.addEventListener("scroll",this[bm],{passive:!0})}static[fm](){window.removeEventListener("scroll",this[bm])}constructor(e){this[ym]=e}observe(){0===_m[mm].size&&_m[gm](),_m[mm].add(this)}disconnect(){_m[mm].delete(this),0===_m[mm].size&&_m[fm]()}[vm](){this[ym]()}}_m[um]=new Set;const Em=Symbol("computeStyleCallback"),xm=Symbol("astWalker"),Sm=Symbol("dependencies"),Cm=Symbol("onScroll");class wm{constructor(e){this[dm]={},this[pm]=new kA(["function"]),this[Am]=()=>{this[Em]({relatedState:"window-scroll"})},this[Em]=e}observeEffectsFor(e){const t={},i=this[Sm];this[xm].walk(e,(e=>{const{name:n}=e,r=e.arguments[0].terms[0];if("env"===n.value&&null!=r&&"ident"===r.type&&"window-scroll-y"===r.value)if(null==t["window-scroll"]){const e="window-scroll"in i?i["window-scroll"]:new _m(this[Cm]);e.observe(),delete i["window-scroll"],t["window-scroll"]=e}}));for(const e in i){i[e].disconnect()}this[Sm]=t}dispose(){for(const e in this[Sm]){this[Sm][e].disconnect()}}}dm=Sm,pm=xm,Am=Cm;
    660. 

  660. /* @license
    661. 

  661.  * Copyright 2019 Google LLC. All Rights Reserved.
    662. 

  662.  * Licensed under the Apache License, Version 2.0 (the 'License');
    663. 

  663.  * you may not use this file except in compliance with the License.
    664. 

  664.  * You may obtain a copy of the License at
    665. 

  665.  *
    666. 

  666.  *     http://www.apache.org/licenses/LICENSE-2.0
    667. 

  667.  *
    668. 

  668.  * Unless required by applicable law or agreed to in writing, software
    669. 

  669.  * distributed under the License is distributed on an 'AS IS' BASIS,
    670. 

  670.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    671. 

  671.  * See the License for the specific language governing permissions and
    672. 

  672.  * limitations under the License.
    673. 

  673.  */
    674. 

  674. const Im=e=>{const t=e.observeEffects||!1,i=e.intrinsics instanceof Function?e.intrinsics:()=>e.intrinsics;return(n,r)=>{const s=n.updated,a=n.connectedCallback,o=n.disconnectedCallback,l=Symbol(`${r}StyleEffector`),c=Symbol(`${r}StyleEvaluator`),h=Symbol(`${r}UpdateEvaluator`),u=Symbol(`${r}EvaluateAndSync`);Object.defineProperties(n,{[l]:{value:null,writable:!0},[c]:{value:null,writable:!0},[h]:{value:function(){const e=DA(this[r]);this[c]=new hm(e,i(this)),null==this[l]&&t&&(this[l]=new wm((()=>this[u]()))),null!=this[l]&&this[l].observeEffectsFor(e)}},[u]:{value:function(){if(null==this[c])return;const t=this[c].evaluate();this[e.updateHandler](t)}},updated:{value:function(e){e.has(r)&&(this[h](),this[u]()),s.call(this,e)}},connectedCallback:{value:function(){a.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){o.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}},Mm=e=>e<.5?2*e*e:(4-2*e)*e-1,Tm=(e,t,i=Mm)=>n=>e+(t-e)*i(n),Bm=e=>{const t=[],i=[];let n=e.initialValue;for(let r=0;r<e.keyframes.length;++r){const s=e.keyframes[r],{value:a,frames:o}=s,l=s.ease||Mm,c=Tm(n,a,l);t.push(c),i.push(o),n=a}return((e,t)=>{const i=t.map((n=0,e=>n+=e));var n;return t=>{t=nu(t,0,1),t*=i[i.length-1];const n=i.findIndex((e=>e>=t)),r=n<1?0:i[n-1],s=i[n];return e[n]((t-r)/(s-r))}})(t,i)};
    675. 

  675. /* @license
    676. 

  676.  * Copyright 2019 Google LLC. All Rights Reserved.
    677. 

  677.  * Licensed under the Apache License, Version 2.0 (the 'License');
    678. 

  678.  * you may not use this file except in compliance with the License.
    679. 

  679.  * You may obtain a copy of the License at
    680. 

  680.  *
    681. 

  681.  *     http://www.apache.org/licenses/LICENSE-2.0
    682. 

  682.  *
    683. 

  683.  * Unless required by applicable law or agreed to in writing, software
    684. 

  684.  * distributed under the License is distributed on an 'AS IS' BASIS,
    685. 

  685.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    686. 

  686.  * See the License for the specific language governing permissions and
    687. 

  687.  * limitations under the License.
    688. 

  688.  */
    689. 

  689. /* @license
    690. 

  690.  * Copyright 2019 Google LLC. All Rights Reserved.
    691. 

  691.  * Licensed under the Apache License, Version 2.0 (the 'License');
    692. 

  692.  * you may not use this file except in compliance with the License.
    693. 

  693.  * You may obtain a copy of the License at
    694. 

  694.  *
    695. 

  695.  *     http://www.apache.org/licenses/LICENSE-2.0
    696. 

  696.  *
    697. 

  697.  * Unless required by applicable law or agreed to in writing, software
    698. 

  698.  * distributed under the License is distributed on an 'AS IS' BASIS,
    699. 

  699.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    700. 

  700.  * See the License for the specific language governing permissions and
    701. 

  701.  * limitations under the License.
    702. 

  702.  */
    703. 

  703. var Rm=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const Dm=Bm({initialValue:0,keyframes:[{frames:5,value:-1},{frames:1,value:-1},{frames:8,value:1},{frames:1,value:1},{frames:5,value:0},{frames:18,value:0}]}),Lm=Bm({initialValue:0,keyframes:[{frames:1,value:1},{frames:5,value:1},{frames:1,value:0},{frames:6,value:0}]}),Um="0deg 75deg 105%",Pm=["front","right","back","left"],Fm=["upper-","","lower-"],Nm="auto",Qm="basic",km="wiggle",Om="none",Gm=()=>({basis:[GA(RA(30,"deg"))],keywords:{auto:[null]}}),Hm=()=>({basis:[GA(RA(12,"deg"))],keywords:{auto:[null]}}),zm=(()=>{const e=DA(Um)[0].terms,t=zA(e[0]),i=zA(e[1]);return e=>{const n=e[wy].idealCameraDistance();return{basis:[t,i,RA(n,"m")],keywords:{auto:[null,null,RA(105,"%")]}}}})(),Vm=e=>{const t=2.2*e[wy].boundingSphere.radius;return{basis:[RA(-1/0,"rad"),RA(0,"rad"),RA(t,"m")],keywords:{auto:[null,null,null]}}},Wm=e=>{const t=zm(e),i=new hm([],t).evaluate()[2];return{basis:[RA(1/0,"rad"),RA(Math.PI,"rad"),RA(i,"m")],keywords:{auto:[null,null,null]}}},qm=e=>{const t=e[wy].boundingBox.getCenter(new Ci);return{basis:[RA(t.x,"m"),RA(t.y,"m"),RA(t.z,"m")],keywords:{auto:[null,null,null]}}},jm=Math.PI/2,Xm=Math.PI/3,Ym=jm/2,Km=2*Math.PI,Jm=Symbol("controls"),$m=Symbol("panElement"),Zm=Symbol("promptElement"),eg=Symbol("promptAnimatedContainer"),tg=Symbol("fingerAnimatedContainers"),ig=Symbol("deferInteractionPrompt"),ng=Symbol("updateAria"),rg=Symbol("a11y"),sg=Symbol("updateA11y"),ag=Symbol("updateCameraForRadius"),og=Symbol("cancelPrompts"),lg=Symbol("onChange"),cg=Symbol("onPointerChange"),hg=Symbol("waitingToPromptUser"),ug=Symbol("userHasInteracted"),dg=Symbol("promptElementVisibleTime"),pg=Symbol("lastPromptOffset"),Ag=Symbol("cancellationSource"),mg=Symbol("lastSpherical"),gg=Symbol("jumpCamera"),fg=Symbol("initialized"),bg=Symbol("maintainThetaPhi"),vg=Symbol("syncCameraOrbit"),yg=Symbol("syncFieldOfView"),_g=Symbol("syncCameraTarget"),Eg=Symbol("syncMinCameraOrbit"),xg=Symbol("syncMaxCameraOrbit"),Sg=Symbol("syncMinFieldOfView"),Cg=Symbol("syncMaxFieldOfView"),wg=new $t,Ig=new Ci,Mg=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:0,maximumPolarAngle:Math.PI,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,touchAction:"none"}),Tg=Math.PI/8,Bg=.04,Rg={USER_INTERACTION:"user-interaction",NONE:"none",AUTOMATIC:"automatic"};class Dg extends Ot{constructor(e,t,i){super(),this.camera=e,this.element=t,this.scene=i,this.orbitSensitivity=1,this.zoomSensitivity=1,this.panSensitivity=1,this.inputSensitivity=1,this.changeSource=Rg.NONE,this._interactionEnabled=!1,this._disableZoom=!1,this.isUserPointing=!1,this.enablePan=!0,this.enableTap=!0,this.panProjection=new Zt,this.panPerPixel=0,this.spherical=new fo,this.goalSpherical=new fo,this.thetaDamper=new CA,this.phiDamper=new CA,this.radiusDamper=new CA,this.logFov=Math.log(Mg.maximumFieldOfView),this.goalLogFov=this.logFov,this.fovDamper=new CA,this.touchMode=null,this.pointers=[],this.startTime=0,this.startPointerPosition={clientX:0,clientY:0},this.lastSeparation=0,this.touchDecided=!1,this.onContext=e=>{if(this.enablePan)e.preventDefault();else for(const e of this.pointers)this.onPointerUp(new PointerEvent("pointercancel",Object.assign(Object.assign({},this.startPointerPosition),{pointerId:e.id})))},this.touchModeZoom=(e,t)=>{if(!this._disableZoom){const e=this.twoTouchDistance(this.pointers[0],this.pointers[1]),t=Bg*this.zoomSensitivity*(this.lastSeparation-e)*50/this.scene.height;this.lastSeparation=e,this.userAdjustOrbit(0,0,t)}this.panPerPixel>0&&this.movePan(e,t)},this.disableScroll=e=>{e.preventDefault()},this.touchModeRotate=(e,t)=>{const{touchAction:i}=this._options;if(!this.touchDecided&&"none"!==i){this.touchDecided=!0;const n=Math.abs(e),r=Math.abs(t);if(this.changeSource===Rg.USER_INTERACTION&&("pan-y"===i&&r>n||"pan-x"===i&&n>r))return void(this.touchMode=null);this.element.addEventListener("touchmove",this.disableScroll,{passive:!1})}this.handleSinglePointerMove(e,t)},this.onPointerDown=e=>{if(this.pointers.length>2)return;const{element:t}=this;0===this.pointers.length&&(t.addEventListener("pointermove",this.onPointerMove),t.addEventListener("pointerup",this.onPointerUp),this.touchMode=null,this.touchDecided=!1,this.startPointerPosition.clientX=e.clientX,this.startPointerPosition.clientY=e.clientY,this.startTime=performance.now());try{t.setPointerCapture(e.pointerId)}catch(e){}this.pointers.push({clientX:e.clientX,clientY:e.clientY,id:e.pointerId}),this.isUserPointing=!1,"touch"===e.pointerType?(this.changeSource=e.altKey?Rg.AUTOMATIC:Rg.USER_INTERACTION,this.onTouchChange(e)):(this.changeSource=Rg.USER_INTERACTION,this.onMouseDown(e)),this.changeSource===Rg.USER_INTERACTION&&this.dispatchEvent({type:"user-interaction"})},this.onPointerMove=e=>{const t=this.pointers.find((t=>t.id===e.pointerId));if(null==t)return;if("mouse"===e.pointerType&&0===e.buttons)return void this.onPointerUp(e);const i=this.pointers.length,n=(e.clientX-t.clientX)/i,r=(e.clientY-t.clientY)/i;0===n&&0===r||(t.clientX=e.clientX,t.clientY=e.clientY,"touch"===e.pointerType?(this.changeSource=e.altKey?Rg.AUTOMATIC:Rg.USER_INTERACTION,null!==this.touchMode&&this.touchMode(n,r)):(this.changeSource=Rg.USER_INTERACTION,this.panPerPixel>0?this.movePan(n,r):this.handleSinglePointerMove(n,r)))},this.onPointerUp=e=>{const{element:t}=this,i=this.pointers.findIndex((t=>t.id===e.pointerId));-1!==i&&this.pointers.splice(i,1),this.panPerPixel>0&&!e.altKey&&this.resetRadius(),0===this.pointers.length?(t.removeEventListener("pointermove",this.onPointerMove),t.removeEventListener("pointerup",this.onPointerUp),t.removeEventListener("touchmove",this.disableScroll),this.enablePan&&this.enableTap&&this.recenter(e)):null!==this.touchMode&&this.onTouchChange(e),this.scene.element[$m].style.opacity=0,t.style.cursor="grab",this.panPerPixel=0,this.isUserPointing&&this.dispatchEvent({type:"pointer-change-end"})},this.onWheel=e=>{this.changeSource=Rg.USER_INTERACTION;const t=e.deltaY*(1==e.deltaMode?18:1)*Bg*this.zoomSensitivity/30;this.userAdjustOrbit(0,0,t),e.preventDefault(),this.dispatchEvent({type:"user-interaction"})},this.onKeyDown=e=>{const{changeSource:t}=this;this.changeSource=Rg.USER_INTERACTION;(e.shiftKey&&this.enablePan?this.panKeyCodeHandler(e):this.orbitZoomKeyCodeHandler(e))?(e.preventDefault(),this.dispatchEvent({type:"user-interaction"})):this.changeSource=t},this._options=Object.assign({},Mg),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this._interactionEnabled}enableInteraction(){if(!1===this._interactionEnabled){const{element:e}=this;e.addEventListener("pointerdown",this.onPointerDown),e.addEventListener("pointercancel",this.onPointerUp),this._disableZoom||e.addEventListener("wheel",this.onWheel),e.addEventListener("keydown",this.onKeyDown),e.addEventListener("touchmove",(()=>{}),{passive:!1}),e.addEventListener("contextmenu",this.onContext),this.element.style.cursor="grab",this._interactionEnabled=!0,this.updateTouchActionStyle()}}disableInteraction(){if(!0===this._interactionEnabled){const{element:e}=this;e.removeEventListener("pointerdown",this.onPointerDown),e.removeEventListener("pointermove",this.onPointerMove),e.removeEventListener("pointerup",this.onPointerUp),e.removeEventListener("pointercancel",this.onPointerUp),e.removeEventListener("wheel",this.onWheel),e.removeEventListener("keydown",this.onKeyDown),e.removeEventListener("contextmenu",this.onContext),e.style.cursor="",this.touchMode=null,this._interactionEnabled=!1,this.updateTouchActionStyle()}}get options(){return this._options}set disableZoom(e){this._disableZoom!=e&&(this._disableZoom=e,!0===e?this.element.removeEventListener("wheel",this.onWheel):this.element.addEventListener("wheel",this.onWheel),this.updateTouchActionStyle())}getCameraSpherical(e=new fo){return e.copy(this.spherical)}getFieldOfView(){return this.camera.fov}applyOptions(e){Object.assign(this._options,e),this.setOrbit(),this.setFieldOfView(Math.exp(this.goalLogFov))}updateNearFar(e,t){this.camera.far=0===t?2:t,this.camera.near=Math.max(e,this.camera.far/1e3),this.camera.updateProjectionMatrix()}updateAspect(e){this.camera.aspect=e,this.camera.updateProjectionMatrix()}setOrbit(e=this.goalSpherical.theta,t=this.goalSpherical.phi,i=this.goalSpherical.radius){const{minimumAzimuthalAngle:n,maximumAzimuthalAngle:r,minimumPolarAngle:s,maximumPolarAngle:a,minimumRadius:o,maximumRadius:l}=this._options,{theta:c,phi:h,radius:u}=this.goalSpherical,d=nu(e,n,r);isFinite(n)||isFinite(r)||(this.spherical.theta=this.wrapAngle(this.spherical.theta-d)+d);const p=nu(t,s,a),A=nu(i,o,l);return(d!==c||p!==h||A!==u)&&(!!(isFinite(d)&&isFinite(p)&&isFinite(A))&&(this.goalSpherical.theta=d,this.goalSpherical.phi=p,this.goalSpherical.radius=A,this.goalSpherical.makeSafe(),!0))}setRadius(e){this.goalSpherical.radius=e,this.setOrbit()}setFieldOfView(e){const{minimumFieldOfView:t,maximumFieldOfView:i}=this._options;e=nu(e,t,i),this.goalLogFov=Math.log(e)}setDamperDecayTime(e){this.thetaDamper.setDecayTime(e),this.phiDamper.setDecayTime(e),this.radiusDamper.setDecayTime(e),this.fovDamper.setDecayTime(e)}adjustOrbit(e,t,i){const{theta:n,phi:r,radius:s}=this.goalSpherical,{minimumRadius:a,maximumRadius:o,minimumFieldOfView:l,maximumFieldOfView:c}=this._options,h=this.spherical.theta-n,u=Math.PI-.001,d=n-nu(e,-u-h,u-h),p=r-t,A=0===i?0:((i>0?o:a)-s)/(Math.log(i>0?c:l)-this.goalLogFov),m=s+i*(isFinite(A)?A:2*(o-a));if(this.setOrbit(d,p,m),0!==i){const e=this.goalLogFov+i;this.setFieldOfView(Math.exp(e))}}jumpToGoal(){this.update(0,1e4)}update(e,t){if(this.isStationary())return!1;const{maximumPolarAngle:i,maximumRadius:n}=this._options,r=this.spherical.theta-this.goalSpherical.theta;return Math.abs(r)>Math.PI&&!isFinite(this._options.minimumAzimuthalAngle)&&!isFinite(this._options.maximumAzimuthalAngle)&&(this.spherical.theta-=2*Math.sign(r)*Math.PI),this.spherical.theta=this.thetaDamper.update(this.spherical.theta,this.goalSpherical.theta,t,Math.PI),this.spherical.phi=this.phiDamper.update(this.spherical.phi,this.goalSpherical.phi,t,i),this.spherical.radius=this.radiusDamper.update(this.spherical.radius,this.goalSpherical.radius,t,n),this.logFov=this.fovDamper.update(this.logFov,this.goalLogFov,t,1),this.moveCamera(),!0}updateTouchActionStyle(){const{style:e}=this.element;if(this._interactionEnabled){const{touchAction:t}=this._options;this._disableZoom&&"none"!==t?e.touchAction="manipulation":e.touchAction=t}else e.touchAction=""}isStationary(){return this.goalSpherical.theta===this.spherical.theta&&this.goalSpherical.phi===this.spherical.phi&&this.goalSpherical.radius===this.spherical.radius&&this.goalLogFov===this.logFov}moveCamera(){this.spherical.makeSafe(),this.camera.position.setFromSpherical(this.spherical),this.camera.setRotationFromEuler(new dn(this.spherical.phi-Math.PI/2,this.spherical.theta,0,"YXZ")),this.camera.fov!==Math.exp(this.logFov)&&(this.camera.fov=Math.exp(this.logFov),this.camera.updateProjectionMatrix())}userAdjustOrbit(e,t,i){this.adjustOrbit(e*this.orbitSensitivity*this.inputSensitivity,t*this.orbitSensitivity*this.inputSensitivity,i*this.inputSensitivity)}wrapAngle(e){const t=(e+Math.PI)/(2*Math.PI);return 2*(t-Math.floor(t))*Math.PI-Math.PI}pixelLengthToSphericalAngle(e){return 2*Math.PI*e/this.scene.height}twoTouchDistance(e,t){const{clientX:i,clientY:n}=e,{clientX:r,clientY:s}=t,a=r-i,o=s-n;return Math.sqrt(a*a+o*o)}handleSinglePointerMove(e,t){const i=this.pixelLengthToSphericalAngle(e),n=this.pixelLengthToSphericalAngle(t);!1===this.isUserPointing&&(this.isUserPointing=!0,this.dispatchEvent({type:"pointer-change-start"})),this.userAdjustOrbit(i,n,0)}initializePan(){const{theta:e,phi:t}=this.spherical,i=e-this.scene.yaw;this.panPerPixel=.018*this.panSensitivity/this.scene.height,this.panProjection.set(-Math.cos(i),-Math.cos(t)*Math.sin(i),0,0,Math.sin(t),0,Math.sin(i),-Math.cos(t)*Math.cos(i),0)}movePan(e,t){const{scene:i}=this,n=Ig.set(e,t,0).multiplyScalar(this.inputSensitivity),r=this.spherical.radius*Math.exp(this.logFov)*this.panPerPixel;n.multiplyScalar(r);const s=i.getTarget();s.add(n.applyMatrix3(this.panProjection)),i.boundingSphere.clampPoint(s,s),i.setTarget(s.x,s.y,s.z)}recenter(e){if(performance.now()>this.startTime+300||Math.abs(e.clientX-this.startPointerPosition.clientX)>2||Math.abs(e.clientY-this.startPointerPosition.clientY)>2)return;const{scene:t}=this,i=t.positionAndNormalFromPoint(t.getNDC(e.clientX,e.clientY));if(null==i){const{cameraTarget:e}=t.element;t.element.cameraTarget="",t.element.cameraTarget=e,this.userAdjustOrbit(0,0,1)}else t.target.worldToLocal(i.position),t.setTarget(i.position.x,i.position.y,i.position.z)}resetRadius(){const{scene:e}=this,t=e.positionAndNormalFromPoint(wg.set(0,0));if(null==t)return;e.target.worldToLocal(t.position);const i=e.getTarget(),{theta:n,phi:r}=this.spherical,s=n-e.yaw,a=Ig.set(Math.sin(r)*Math.sin(s),Math.cos(r),Math.sin(r)*Math.cos(s)),o=a.dot(t.position.sub(i));i.add(a.multiplyScalar(o)),e.setTarget(i.x,i.y,i.z),this.setOrbit(void 0,void 0,this.goalSpherical.radius-o)}onTouchChange(e){if(1===this.pointers.length)this.touchMode=this.touchModeRotate;else{if(this._disableZoom)return this.touchMode=null,void this.element.removeEventListener("touchmove",this.disableScroll);this.touchMode=this.touchDecided&&null===this.touchMode?null:this.touchModeZoom,this.touchDecided=!0,this.element.addEventListener("touchmove",this.disableScroll,{passive:!1}),this.lastSeparation=this.twoTouchDistance(this.pointers[0],this.pointers[1]),this.enablePan&&null!=this.touchMode&&(this.initializePan(),e.altKey||(this.scene.element[$m].style.opacity=1))}}onMouseDown(e){this.panPerPixel=0,this.enablePan&&(2===e.button||e.ctrlKey||e.metaKey||e.shiftKey)&&(this.initializePan(),this.scene.element[$m].style.opacity=1),this.element.style.cursor="grabbing"}orbitZoomKeyCodeHandler(e){let t=!0;switch(e.key){case"PageUp":this.userAdjustOrbit(0,0,Bg*this.zoomSensitivity);break;case"PageDown":this.userAdjustOrbit(0,0,-.04*this.zoomSensitivity);break;case"ArrowUp":this.userAdjustOrbit(0,-Tg,0);break;case"ArrowDown":this.userAdjustOrbit(0,Tg,0);break;case"ArrowLeft":this.userAdjustOrbit(-Tg,0,0);break;case"ArrowRight":this.userAdjustOrbit(Tg,0,0);break;default:t=!1}return t}panKeyCodeHandler(e){this.initializePan();let t=!0;switch(e.key){case"ArrowUp":this.movePan(0,-10);break;case"ArrowDown":this.movePan(0,10);break;case"ArrowLeft":this.movePan(-10,0);break;case"ArrowRight":this.movePan(10,0);break;default:t=!1}return t}}
    704. 

  704. /* @license
    705. 

  705.  * Copyright 2019 Google LLC. All Rights Reserved.
    706. 

  706.  * Licensed under the Apache License, Version 2.0 (the 'License');
    707. 

  707.  * you may not use this file except in compliance with the License.
    708. 

  708.  * You may obtain a copy of the License at
    709. 

  709.  *
    710. 

  710.  *     http://www.apache.org/licenses/LICENSE-2.0
    711. 

  711.  *
    712. 

  712.  * Unless required by applicable law or agreed to in writing, software
    713. 

  713.  * distributed under the License is distributed on an 'AS IS' BASIS,
    714. 

  714.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    715. 

  715.  * See the License for the specific language governing permissions and
    716. 

  716.  * limitations under the License.
    717. 

  717.  */const Lg=150,Ug="not-presenting",Pg="session-started",Fg="object-placed",Ng="failed",Qg="tracking",kg="not-tracking",Og=new Ci,Gg=new Si,Hg=new tn,zg=new Ci,Vg=new Or(45,1,.1,100),Wg=(new gr).setFromPoints([new Ci(0,0,0),new Ci(0,0,-1)]),qg=new Br;class jg extends Ot{constructor(e){super(),this.renderer=e,this.currentSession=null,this.placeOnWall=!1,this.placementBox=null,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.frame=null,this.initialHitSource=null,this.transientHitTestSource=null,this.inputSource=null,this._presentedScene=null,this.resolveCleanup=null,this.exitWebXRButtonContainer=null,this.overlay=null,this.xrLight=null,this.xrMode=null,this.controller1=null,this.controller2=null,this.selectedController=null,this.tracking=!0,this.frames=0,this.initialized=!1,this.oldTarget=new Ci,this.placementComplete=!1,this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastDragPosition=new Ci,this.relativeOrientation=new Si,this.scaleLine=new Ns(Wg),this.firstRatio=0,this.lastAngle=0,this.goalPosition=new Ci,this.goalYaw=0,this.goalScale=1,this.xDamper=new CA,this.yDamper=new CA,this.zDamper=new CA,this.yawDamper=new CA,this.pitchDamper=new CA,this.rollDamper=new CA,this.scaleDamper=new CA,this.onExitWebXRButtonContainerClick=()=>this.stopPresenting(),this.onControllerSelectStart=e=>{const t=this.presentedScene,i=e.target;if(null!=this.placementBox.controllerIntersection(t,i))null!=this.selectedController&&(this.selectedController.userData.line.visible=!1,t.canScale&&(this.isTwoFingering=!0,this.firstRatio=this.controllerSeparation()/t.pivot.scale.x,this.scaleLine.visible=!0)),i.attach(t.pivot),this.selectedController=i,t.setShadowIntensity(.01);else{const e=i===this.controller1?this.controller2:this.controller1;this.relativeOrientation.copy(i.quaternion).invert().multiply(t.pivot.getWorldQuaternion(Gg)),e.userData.turning=!1,i.userData.turning=!0,i.userData.line.visible=!1}},this.onControllerSelectEnd=e=>{const t=e.target;if(t.userData.turning=!1,t.userData.line.visible=!0,this.isTwoFingering=!1,this.scaleLine.visible=!1,null!=this.selectedController&&this.selectedController!=t)return;const i=this.presentedScene;i.attach(i.pivot),this.selectedController=null,this.goalYaw=Math.atan2(i.pivot.matrix.elements[8],i.pivot.matrix.elements[10]),this.goalPosition.x=i.pivot.position.x,this.goalPosition.z=i.pivot.position.z},this.onUpdateScene=()=>{null!=this.placementBox&&this.isPresenting&&(this.placementBox.dispose(),this.placementBox=new BA(this.presentedScene,this.placeOnWall?"back":"bottom"))},this.onSelectStart=e=>{const t=this.transientHitTestSource;if(null==t)return;const i=this.frame.getHitTestResultsForTransientInput(t),n=this.presentedScene,r=this.placementBox;if(1===i.length){this.inputSource=e.inputSource;const{axes:t}=this.inputSource.gamepad,i=r.getHit(this.presentedScene,t[0],t[1]);r.show=!0,null!=i?(this.isTranslating=!0,this.lastDragPosition.copy(i)):!1===this.placeOnWall&&(this.isRotating=!0,this.lastAngle=1.5*t[0])}else if(2===i.length){r.show=!0,this.isTwoFingering=!0;const{separation:e}=this.fingerPolar(i);this.firstRatio=e/n.pivot.scale.x}},this.onSelectEnd=()=>{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.inputSource=null,this.goalPosition.y+=this.placementBox.offsetHeight*this.presentedScene.scale.x,this.placementBox.show=!1},this.threeRenderer=e.threeRenderer,this.threeRenderer.xr.enabled=!0}async resolveARSession(){eu();const e=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:[],optionalFeatures:["hit-test","dom-overlay","light-estimation"],domOverlay:this.overlay?{root:this.overlay}:void 0});return this.threeRenderer.xr.setReferenceSpaceType("local"),await this.threeRenderer.xr.setSession(e),this.threeRenderer.xr.cameraAutoUpdate=!1,e}get presentedScene(){return this._presentedScene}async supportsPresentation(){try{return eu(),await navigator.xr.isSessionSupported("immersive-ar")}catch(e){return console.warn("Request to present in WebXR denied:"),console.warn(e),console.warn("Falling back to next ar-mode"),!1}}async present(e,t=!1){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let i=new Promise(((e,t)=>{requestAnimationFrame((()=>e()))}));e.setHotspotsVisibility(!1),e.queueRender(),await i,this._presentedScene=e,this.overlay=e.element.shadowRoot.querySelector("div.default"),!0===t&&(this.xrLight=new SA(this.threeRenderer),this.xrLight.addEventListener("estimationstart",(()=>{if(!this.isPresenting||null==this.xrLight)return;const e=this.presentedScene;e.add(this.xrLight),e.environment=this.xrLight.environment})));const n=await this.resolveARSession();n.addEventListener("end",(()=>{this.postSessionCleanup()}),{once:!0});const r=e.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");r.classList.add("enabled"),r.addEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=r;const s=await n.requestReferenceSpace("viewer");this.xrMode=n.interactionMode,this.tracking=!0,this.frames=0,this.initialized=!1,this.turntableRotation=e.yaw,this.goalYaw=e.yaw,this.goalScale=1,e.setBackground(null),this.oldShadowIntensity=e.shadowIntensity,e.setShadowIntensity(.01),this.oldTarget.copy(e.getTarget()),e.element.addEventListener("load",this.onUpdateScene);const a=20*Math.PI/180,o=!0===this.placeOnWall?void 0:new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(a),z:-Math.cos(a)});n.requestHitTestSource({space:s,offsetRay:o}).then((e=>{this.initialHitSource=e})),"screen-space"!==this.xrMode&&(this.setupControllers(),this.xDamper.setDecayTime(Lg),this.yDamper.setDecayTime(Lg),this.zDamper.setDecayTime(Lg),this.yawDamper.setDecayTime(Lg),this.pitchDamper.setDecayTime(Lg),this.rollDamper.setDecayTime(Lg)),this.currentSession=n,this.placementBox=new BA(e,this.placeOnWall?"back":"bottom"),this.placementComplete=!1,this.lastTick=performance.now(),this.dispatchEvent({type:"status",status:Pg})}setupControllers(){this.controller1=this.threeRenderer.xr.getController(0),this.controller1.addEventListener("selectstart",this.onControllerSelectStart),this.controller1.addEventListener("selectend",this.onControllerSelectEnd),this.controller2=this.threeRenderer.xr.getController(1),this.controller2.addEventListener("selectstart",this.onControllerSelectStart),this.controller2.addEventListener("selectend",this.onControllerSelectEnd);const e=this.presentedScene;if(e.add(this.controller1),e.add(this.controller2),!this.controller1.userData.line){const t=new Ns(Wg);t.name="line",t.scale.z=5,this.controller1.userData.turning=!1,this.controller1.userData.line=t,this.controller1.add(t),this.controller2.userData.turning=!1;const i=t.clone();this.controller2.userData.line=i,this.controller2.add(i),this.scaleLine.name="scale line",this.scaleLine.visible=!1,this.controller1.add(this.scaleLine);const{size:n}=e,r=.1/Math.max(n.x,n.y,n.z),s=new Mr(qg);s.name="box",s.scale.copy(n).multiplyScalar(r),s.visible=!1,this.controller1.userData.box=s,e.add(s);const a=s.clone();this.controller2.userData.box=a,e.add(a)}}hover(e){if("screen-space"===this.xrMode||this.selectedController==e)return!1;const t=this.presentedScene,i=this.placementBox.controllerIntersection(t,e);return e.userData.box.visible=(null==i||e.userData.turning)&&!this.isTwoFingering,e.userData.line.scale.z=null==i?5:i.distance,null!=i}controllerSeparation(){return this.controller1.position.distanceTo(this.controller2.position)}async stopPresenting(){if(!this.isPresenting)return;const e=new Promise((e=>{this.resolveCleanup=e}));try{await this.currentSession.end(),await e}catch(e){console.warn("Error while trying to end WebXR AR session"),console.warn(e),this.postSessionCleanup()}}get isPresenting(){return null!=this.presentedScene}get target(){return this.oldTarget}updateTarget(){const e=this.presentedScene;if(null!=e){const t=e.getTarget();this.oldTarget.copy(t),this.placeOnWall?t.z=e.boundingBox.min.z:t.y=e.boundingBox.min.y,e.setTarget(t.x,t.y,t.z)}}postSessionCleanup(){const e=this.currentSession;null!=e&&(e.removeEventListener("selectstart",this.onSelectStart),e.removeEventListener("selectend",this.onSelectEnd),this.currentSession=null);const t=this.presentedScene;if(this._presentedScene=null,null!=t){const{element:e}=t;null!=this.xrLight&&(t.remove(this.xrLight),this.xrLight.dispose(),this.xrLight=null),t.add(t.pivot),t.pivot.quaternion.set(0,0,0,1),t.pivot.position.set(0,0,0),t.pivot.scale.set(1,1,1),t.setShadowOffset(0);const i=this.turntableRotation;null!=i&&(t.yaw=i);const n=this.oldShadowIntensity;null!=n&&t.setShadowIntensity(n),t.setEnvironmentAndSkybox(e[au],e[ou]);const r=this.oldTarget;t.setTarget(r.x,r.y,r.z),t.xrCamera=null,t.element.removeEventListener("load",this.onUpdateScene),t.orientHotspots(0);const{width:s,height:a}=e.getBoundingClientRect();t.setSize(s,a),requestAnimationFrame((()=>{t.element.dispatchEvent(new CustomEvent("camera-change",{detail:{source:Rg.NONE}}))}))}this.renderer.height=0;const i=this.exitWebXRButtonContainer;null!=i&&(i.classList.remove("enabled"),i.removeEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=null);const n=this.transientHitTestSource;null!=n&&(n.cancel(),this.transientHitTestSource=null);const r=this.initialHitSource;null!=r&&(r.cancel(),this.initialHitSource=null),null!=this.placementBox&&(this.placementBox.dispose(),this.placementBox=null),"screen-space"!==this.xrMode&&(null!=this.controller1&&(this.controller1.userData.turning=!1,this.controller1.userData.box.visible=!1,this.controller1.userData.line.visible=!0,this.controller1.removeEventListener("selectstart",this.onControllerSelectStart),this.controller1.removeEventListener("selectend",this.onControllerSelectEnd),this.controller1.removeFromParent(),this.controller1=null),null!=this.controller2&&(this.controller2.userData.turning=!1,this.controller2.userData.box.visible=!1,this.controller2.userData.line.visible=!0,this.controller2.removeEventListener("selectstart",this.onControllerSelectStart),this.controller2.removeEventListener("selectend",this.onControllerSelectEnd),this.controller2.removeFromParent(),this.controller2=null),this.selectedController=null,this.scaleLine.visible=!1),this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.frame=null,this.inputSource=null,this.overlay=null,null!=this.resolveCleanup&&this.resolveCleanup(),this.dispatchEvent({type:"status",status:Ug})}updateView(e){const t=this.presentedScene,i=this.threeRenderer.xr;i.updateCamera(Vg),t.xrCamera=i.getCamera();const{elements:n}=t.getCamera().matrixWorld;if(t.orientHotspots(Math.atan2(n[1],n[5])),this.initialized||(this.placeInitially(),this.initialized=!0),e.requestViewportScale&&e.recommendedViewportScale){const t=e.recommendedViewportScale;e.requestViewportScale(Math.max(t,.25))}const r=i.getBaseLayer();if(null!=r){const t=r instanceof XRWebGLLayer?r.getViewport(e):i.getBinding().getViewSubImage(r,e).viewport;this.threeRenderer.setViewport(t.x,t.y,t.width,t.height)}}placeInitially(){const e=this.presentedScene,{pivot:t,element:i}=e,{position:n}=t,r=e.getCamera(),{width:s,height:a}=this.overlay.getBoundingClientRect();e.setSize(s,a),r.projectionMatrixInverse.copy(r.projectionMatrix).invert();const{theta:o}=i.getCameraOrbit(),l=r.getWorldDirection(Og);e.yaw=Math.atan2(-l.x,-l.z)-o,this.goalYaw=e.yaw;const c=Math.max(1,2*e.boundingSphere.radius);n.copy(r.position).add(l.multiplyScalar(c)),this.updateTarget();const h=e.getTarget();if(n.add(h).sub(this.oldTarget),this.goalPosition.copy(n),e.setHotspotsVisibility(!0),"screen-space"===this.xrMode){const{session:e}=this.frame;e.addEventListener("selectstart",this.onSelectStart),e.addEventListener("selectend",this.onSelectEnd),e.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then((e=>{this.transientHitTestSource=e}))}}getTouchLocation(){const{axes:e}=this.inputSource.gamepad;let t=this.placementBox.getExpandedHit(this.presentedScene,e[0],e[1]);return null!=t&&(Og.copy(t).sub(this.presentedScene.getCamera().position),Og.length()>10)?null:t}getHitPoint(e){const t=this.threeRenderer.xr.getReferenceSpace(),i=e.getPose(t);if(null==i)return null;const n=Hg.fromArray(i.transform.matrix);return!0===this.placeOnWall&&(this.goalYaw=Math.atan2(n.elements[4],n.elements[6])),n.elements[5]>.75!==this.placeOnWall?zg.setFromMatrixPosition(n):null}moveToFloor(e){const t=this.initialHitSource;if(null==t)return;const i=e.getHitTestResults(t);if(0==i.length)return;const n=i[0],r=this.getHitPoint(n);null!=r&&(this.placementBox.show=!0,this.isTranslating||(this.placeOnWall?this.goalPosition.copy(r):this.goalPosition.y=r.y),t.cancel(),this.initialHitSource=null,this.dispatchEvent({type:"status",status:Fg}))}fingerPolar(e){const t=e[0].inputSource.gamepad.axes,i=e[1].inputSource.gamepad.axes,n=i[0]-t[0],r=i[1]-t[1],s=Math.atan2(r,n);let a=this.lastAngle-s;return a>Math.PI?a-=2*Math.PI:a<-Math.PI&&(a+=2*Math.PI),this.lastAngle=s,{separation:Math.sqrt(n*n+r*r),deltaYaw:a}}setScale(e){const t=e/this.firstRatio;this.goalScale=Math.abs(t-1)<.2?1:t}processInput(e){const t=this.transientHitTestSource;if(null==t)return;if(!this.isTranslating&&!this.isTwoFingering&&!this.isRotating)return;const i=e.getHitTestResultsForTransientInput(t),n=this.presentedScene,r=n.pivot.scale.x;if(this.isTwoFingering)if(i.length<2)this.isTwoFingering=!1;else{const{separation:e,deltaYaw:t}=this.fingerPolar(i);!1===this.placeOnWall&&(this.goalYaw+=t),n.canScale&&this.setScale(e)}else if(2!==i.length)if(this.isRotating){const e=1.5*this.inputSource.gamepad.axes[0];this.goalYaw+=e-this.lastAngle,this.lastAngle=e}else this.isTranslating&&i.forEach((e=>{if(e.inputSource!==this.inputSource)return;let t=null;if(e.results.length>0&&(t=this.getHitPoint(e.results[0])),null==t&&(t=this.getTouchLocation()),null!=t){if(this.goalPosition.sub(this.lastDragPosition),!1===this.placeOnWall){const e=t.y-this.lastDragPosition.y;if(e<0){this.placementBox.offsetHeight=e/r,this.presentedScene.setShadowOffset(e);const i=Og.copy(n.getCamera().position),s=-e/(i.y-t.y);i.multiplyScalar(s),t.multiplyScalar(1-s).add(i)}}this.goalPosition.add(t),this.lastDragPosition.copy(t)}}));else{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!0;const{separation:e}=this.fingerPolar(i);this.firstRatio=e/r}}moveScene(e){const t=this.presentedScene,{pivot:i}=t,n=this.placementBox;if(n.updateOpacity(e),this.controller1&&(this.controller1.userData.turning&&(i.quaternion.copy(this.controller1.quaternion).multiply(this.relativeOrientation),this.selectedController&&this.selectedController===this.controller2&&i.quaternion.premultiply(Gg.copy(this.controller2.quaternion).invert())),this.controller1.userData.box.position.copy(this.controller1.position),i.getWorldQuaternion(this.controller1.userData.box.quaternion)),this.controller2&&(this.controller2.userData.turning&&(i.quaternion.copy(this.controller2.quaternion).multiply(this.relativeOrientation),this.selectedController&&this.selectedController===this.controller1&&i.quaternion.premultiply(Gg.copy(this.controller1.quaternion).invert())),this.controller2.userData.box.position.copy(this.controller2.position),i.getWorldQuaternion(this.controller2.userData.box.quaternion)),this.controller1&&this.controller2&&this.isTwoFingering){const e=this.controllerSeparation();this.setScale(e),this.scaleLine.scale.z=-e,this.scaleLine.lookAt(this.controller2.position)}const r=t.pivot.scale.x;if(this.goalScale!==r){const i=this.scaleDamper.update(r,this.goalScale,e,1);t.pivot.scale.set(i,i,i)}if(i.parent!==t)return;const{position:s}=i,a=t.boundingSphere.radius,o=this.goalPosition;let l=Rg.NONE;if(!o.equals(s)){l=Rg.USER_INTERACTION;let{x:i,y:r,z:c}=s;if(i=this.xDamper.update(i,o.x,e,a),r=this.yDamper.update(r,o.y,e,a),c=this.zDamper.update(c,o.z,e,a),s.set(i,r,c),"screen-space"===this.xrMode&&!this.isTranslating){const e=o.y-r;this.placementComplete&&!1===this.placeOnWall?(n.offsetHeight=e/t.pivot.scale.x,t.setShadowOffset(e)):0===e&&(this.placementComplete=!0,n.show=!1,t.setShadowIntensity(.8))}"screen-space"!==this.xrMode&&o.equals(s)&&t.setShadowIntensity(.8)}t.updateTarget(e),Gg.setFromAxisAngle(Og.set(0,1,0),this.goalYaw);const c=t.pivot.quaternion.angleTo(Gg),h=c-this.yawDamper.update(c,0,e,Math.PI);t.pivot.quaternion.rotateTowards(Gg,h),t.element.dispatchEvent(new CustomEvent("camera-change",{detail:{source:l}}))}onWebXRFrame(e,t){if("screen-space"!==this.xrMode){const e=this.hover(this.controller1),t=this.hover(this.controller2);this.placementBox.show=(e||t)&&!this.isTwoFingering}this.frame=t,++this.frames;const i=this.threeRenderer.xr.getReferenceSpace(),n=t.getViewerPose(i);null==n&&!0===this.tracking&&this.frames>30&&(this.tracking=!1,this.dispatchEvent({type:"tracking",status:kg}));const r=this.presentedScene;if(null==n||null==r||!r.element.loaded)return void this.threeRenderer.clear();!1===this.tracking&&(this.tracking=!0,this.dispatchEvent({type:"tracking",status:Qg}));let s=!0;for(const i of n.views){if(this.updateView(i),s){this.moveToFloor(t),this.processInput(t);const i=e-this.lastTick;this.moveScene(i),this.renderer.preRender(r,e,i),this.lastTick=e,r.renderShadow(this.threeRenderer)}this.threeRenderer.render(r,r.getCamera()),s=!1}}}function Xg(e){const t=new Map,i=new Map,n=e.clone();return Yg(e,n,(function(e,n){t.set(n,e),i.set(e,n)})),n.traverse((function(e){if(!e.isSkinnedMesh)return;const n=e,r=t.get(e),s=r.skeleton.bones;n.skeleton=r.skeleton.clone(),n.bindMatrix.copy(r.bindMatrix),n.skeleton.bones=s.map((function(e){return i.get(e)})),n.bind(n.skeleton,n.bindMatrix)})),n}function Yg(e,t,i){i(e,t);for(let n=0;n<e.children.length;n++)Yg(e.children[n],t.children[n],i)}
    718. 

  718. /* @license
    719. 

  719.  * Copyright 2020 Google LLC. All Rights Reserved.
    720. 

  720.  * Licensed under the Apache License, Version 2.0 (the 'License');
    721. 

  721.  * you may not use this file except in compliance with the License.
    722. 

  722.  * You may obtain a copy of the License at
    723. 

  723.  *
    724. 

  724.  *     http://www.apache.org/licenses/LICENSE-2.0
    725. 

  725.  *
    726. 

  726.  * Unless required by applicable law or agreed to in writing, software
    727. 

  727.  * distributed under the License is distributed on an 'AS IS' BASIS,
    728. 

  728.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    729. 

  729.  * See the License for the specific language governing permissions and
    730. 

  730.  * limitations under the License.
    731. 

  731.  */const Kg=Symbol("prepared"),Jg=Symbol("prepare"),$g=Symbol("preparedGLTF"),Zg=Symbol("clone");class ef{static prepare(e){if(null==e.scene)throw new Error("Model does not have a scene");if(e[Kg])return e;const t=this[Jg](e);return t[Kg]=!0,t}static[Jg](e){const{scene:t}=e,i=[t];return Object.assign(Object.assign({},e),{scene:t,scenes:i})}get parser(){return this[$g].parser}get animations(){return this[$g].animations}get scene(){return this[$g].scene}get scenes(){return this[$g].scenes}get cameras(){return this[$g].cameras}get asset(){return this[$g].asset}get userData(){return this[$g].userData}constructor(e){this[$g]=e}clone(){return new(0,this.constructor)(this[Zg]())}dispose(){this.scenes.forEach((e=>{e.traverse((e=>{const t=e;if(!t.material)return;(Array.isArray(t.material)?t.material:[t.material]).forEach((e=>{for(const t in e){const i=e[t];if(i instanceof bi){const e=i.source.data;null!=e.close&&e.close(),i.dispose()}}e.dispose()})),t.geometry.dispose()}))}))}[Zg](){const e=this[$g],t=Xg(this.scene);tf(t,this.scene);const i=[t],n=e.userData?Object.assign({},e.userData):{};return Object.assign(Object.assign({},e),{scene:t,scenes:i,userData:n})}}const tf=(e,t)=>{nf(e,t,((e,t)=>{void 0!==t.userData.variantMaterials&&(e.userData.variantMaterials=new Map(t.userData.variantMaterials)),void 0!==t.userData.variantData&&(e.userData.variantData=t.userData.variantData),void 0!==t.userData.originalMaterial&&(e.userData.originalMaterial=t.userData.originalMaterial)}))},nf=(e,t,i)=>{i(e,t);for(let n=0;n<e.children.length;n++)nf(e.children[n],t.children[n],i)},rf=Symbol("threeGLTF"),sf=Symbol("gltf"),af=Symbol("gltfElementMap"),of=Symbol("threeObjectMap"),lf=Symbol("parallelTraverseThreeScene"),cf=Symbol("correlateOriginalThreeGLTF"),hf=Symbol("correlateCloneThreeGLTF");class uf{static from(e,t){return null!=t?this[hf](e,t):this[cf](e)}static[cf](e){const t=e.parser.json,i=e.parser.associations,n=new Map,r={name:"Default"},s={index:-1};for(const e of i.keys())e instanceof Jn&&null==i.get(e)&&(s.index<0&&(null==t.materials&&(t.materials=[]),s.index=t.materials.length,t.materials.push(r)),e.name=r.name,i.set(e,{materials:s.index}));for(const[e,r]of i){r&&(e.userData=e.userData||{},e.userData.associations=r);for(const i in r)if(null!=i&&"primitives"!==i){const s=i,a=(t[s]||[])[r[s]];if(null==a)continue;let o=n.get(a);null==o&&(o=new Set,n.set(a,o)),o.add(e)}}return new uf(e,t,i,n)}static[hf](e,t){const i=t.threeGLTF,n=t.gltf,r=JSON.parse(JSON.stringify(n)),s=new Map,a=new Map;for(let n=0;n<i.scenes.length;n++)this[lf](i.scenes[n],e.scenes[n],((e,i)=>{const n=t.threeObjectMap.get(e);if(null!=n)for(const e in n)if(null!=e&&"primitives"!==e){const t=e,o=n[t],l=r[t][o],c=s.get(i)||{};c[t]=o,s.set(i,c);const h=a.get(l)||new Set;h.add(i),a.set(l,h)}}));return new uf(e,r,s,a)}static[lf](e,t,i){const n=(e,t)=>{if(i(e,t),e.isObject3D){const r=e,s=t;if(r.material)if(Array.isArray(r.material))for(let e=0;e<r.material.length;++e)i(r.material[e],s.material[e]);else i(r.material,s.material);for(let i=0;i<e.children.length;++i)n(e.children[i],t.children[i])}};n(e,t)}get threeGLTF(){return this[rf]}get gltf(){return this[sf]}get gltfElementMap(){return this[af]}get threeObjectMap(){return this[of]}constructor(e,t,i,n){this[rf]=e,this[sf]=t,this[af]=n,this[of]=i}}
    732. 

  732. /* @license
    733. 

  733.  * Copyright 2020 Google LLC. All Rights Reserved.
    734. 

  734.  * Licensed under the Apache License, Version 2.0 (the 'License');
    735. 

  735.  * you may not use this file except in compliance with the License.
    736. 

  736.  * You may obtain a copy of the License at
    737. 

  737.  *
    738. 

  738.  *     http://www.apache.org/licenses/LICENSE-2.0
    739. 

  739.  *
    740. 

  740.  * Unless required by applicable law or agreed to in writing, software
    741. 

  741.  * distributed under the License is distributed on an 'AS IS' BASIS,
    742. 

  742.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    743. 

  743.  * See the License for the specific language governing permissions and
    744. 

  744.  * limitations under the License.
    745. 

  745.  */const df=Symbol("correlatedSceneGraph");class pf extends ef{static[Jg](e){const t=super[Jg](e);null==t[df]&&(t[df]=uf.from(t));const{scene:i}=t,n=new qi(void 0,1/0);return i.traverse((e=>{e.renderOrder=1e3,e.frustumCulled=!1,e.name||(e.name=e.uuid);const i=e;if(i.material){const{geometry:e}=i;i.castShadow=!0,i.isSkinnedMesh&&(e.boundingSphere=n,e.boundingBox=null);const r=i.material;if(!0===r.isMeshBasicMaterial&&(r.toneMapped=!1),r.shadowSide=0,r.aoMap){const{gltf:i,threeObjectMap:n}=t[df],s=n.get(r);if(null!=i.materials&&null!=s&&null!=s.materials){const t=i.materials[s.materials];t.occlusionTexture&&0===t.occlusionTexture.texCoord&&null!=e.attributes.uv&&e.setAttribute("uv2",e.attributes.uv)}}}})),t}get correlatedSceneGraph(){return this[$g][df]}[Zg](){const e=super[Zg](),t=new Map;return e.scene.traverse((e=>{const i=e;if(i.material){const e=i.material;if(null!=e){if(t.has(e.uuid))return void(i.material=t.get(e.uuid));i.material=e.clone(),t.set(e.uuid,i.material)}}const n=e;void 0!==n.target&&n.add(n.target)})),e[df]=uf.from(e,this.correlatedSceneGraph),e}}const Af=(e,t,i)=>{let n;switch(e){case me:n=new Uint8ClampedArray(t*i*4);break;case Ee:n=new Uint16Array(t*i*4);break;case ye:n=new Uint32Array(t*i*4);break;case ge:n=new Int8Array(t*i*4);break;case fe:n=new Int16Array(t*i*4);break;case ve:n=new Int32Array(t*i*4);break;case _e:n=new Float32Array(t*i*4);break;default:throw new Error("Unsupported data type")}return n};let mf;class gf{constructor(e){var t,i,n,r,s,a,o,l,c,h,u,d,p,A,m,g;this._rendererIsDisposable=!1,this._supportsReadPixels=!0,this.render=()=>{this._renderer.setRenderTarget(this._renderTarget);try{this._renderer.render(this._scene,this._camera)}catch(e){throw this._renderer.setRenderTarget(null),e}this._renderer.setRenderTarget(null)},this._width=e.width,this._height=e.height,this._type=e.type,this._colorSpace=e.colorSpace;const f={format:Ie,depthBuffer:!1,stencilBuffer:!1,type:this._type,colorSpace:this._colorSpace,anisotropy:void 0!==(null===(t=e.renderTargetOptions)||void 0===t?void 0:t.anisotropy)?null===(i=e.renderTargetOptions)||void 0===i?void 0:i.anisotropy:1,generateMipmaps:void 0!==(null===(n=e.renderTargetOptions)||void 0===n?void 0:n.generateMipmaps)&&(null===(r=e.renderTargetOptions)||void 0===r?void 0:r.generateMipmaps),magFilter:void 0!==(null===(s=e.renderTargetOptions)||void 0===s?void 0:s.magFilter)?null===(a=e.renderTargetOptions)||void 0===a?void 0:a.magFilter:de,minFilter:void 0!==(null===(o=e.renderTargetOptions)||void 0===o?void 0:o.minFilter)?null===(l=e.renderTargetOptions)||void 0===l?void 0:l.minFilter:de,samples:void 0!==(null===(c=e.renderTargetOptions)||void 0===c?void 0:c.samples)?null===(h=e.renderTargetOptions)||void 0===h?void 0:h.samples:void 0,wrapS:void 0!==(null===(u=e.renderTargetOptions)||void 0===u?void 0:u.wrapS)?null===(d=e.renderTargetOptions)||void 0===d?void 0:d.wrapS:oe,wrapT:void 0!==(null===(p=e.renderTargetOptions)||void 0===p?void 0:p.wrapT)?null===(A=e.renderTargetOptions)||void 0===A?void 0:A.wrapT:oe};if(this._material=e.material,e.renderer?this._renderer=e.renderer:(this._renderer=gf.instantiateRenderer(),this._rendererIsDisposable=!0),this._scene=new Xr,this._camera=new Xa,this._camera.position.set(0,0,10),this._camera.left=-.5,this._camera.right=.5,this._camera.top=.5,this._camera.bottom=-.5,this._camera.updateProjectionMatrix(),!((e,t,i,n)=>{if(void 0!==mf)return mf;const r=new _i(1,1,n);t.setRenderTarget(r);const s=new Mr(new ia,new $n({color:16777215}));t.render(s,i),t.setRenderTarget(null);const a=Af(e,r.width,r.height);return t.readRenderTargetPixels(r,0,0,r.width,r.height,a),r.dispose(),s.geometry.dispose(),s.material.dispose(),mf=0!==a[0],mf})(this._type,this._renderer,this._camera,f)){let e;if(this._type===Ee)e=this._renderer.extensions.has("EXT_color_buffer_float")?_e:void 0;void 0!==e?(console.warn(`This browser does not support reading pixels from ${this._type} RenderTargets, switching to 1015`),this._type=e):(this._supportsReadPixels=!1,console.warn("This browser dos not support toArray or toDataTexture, calls to those methods will result in an error thrown"))}this._quad=new Mr(new ia,this._material),this._quad.geometry.computeBoundingBox(),this._scene.add(this._quad),this._renderTarget=new _i(this.width,this.height,f),this._renderTarget.texture.mapping=void 0!==(null===(m=e.renderTargetOptions)||void 0===m?void 0:m.mapping)?null===(g=e.renderTargetOptions)||void 0===g?void 0:g.mapping:te}static instantiateRenderer(){const e=new th;return e.setSize(128,128),e}toArray(){if(!this._supportsReadPixels)throw new Error("Can't read pixels in this browser");const e=Af(this._type,this._width,this._height);return this._renderer.readRenderTargetPixels(this._renderTarget,0,0,this._width,this._height,e),e}toDataTexture(e){const t=new cs(this.toArray(),this.width,this.height,Ie,this._type,(null==e?void 0:e.mapping)||te,(null==e?void 0:e.wrapS)||oe,(null==e?void 0:e.wrapT)||oe,(null==e?void 0:e.magFilter)||de,(null==e?void 0:e.minFilter)||de,(null==e?void 0:e.anisotropy)||1,St);return t.generateMipmaps=void 0!==(null==e?void 0:e.generateMipmaps)&&(null==e?void 0:e.generateMipmaps),t}disposeOnDemandRenderer(){this._renderer.setRenderTarget(null),this._rendererIsDisposable&&(this._renderer.dispose(),this._renderer.forceContextLoss())}dispose(e){this.disposeOnDemandRenderer(),e&&this.renderTarget.dispose(),this.material instanceof Pr&&Object.values(this.material.uniforms).forEach((e=>{e.value instanceof bi&&e.value.dispose()})),Object.values(this.material).forEach((e=>{e instanceof bi&&e.dispose()})),this.material.dispose(),this._quad.geometry.dispose()}get width(){return this._width}set width(e){this._width=e,this._renderTarget.setSize(this._width,this._height)}get height(){return this._height}set height(e){this._height=e,this._renderTarget.setSize(this._width,this._height)}get renderer(){return this._renderer}get renderTarget(){return this._renderTarget}set renderTarget(e){this._renderTarget=e,this._width=e.width,this._height=e.height}get material(){return this._material}get type(){return this._type}get colorSpace(){return this._colorSpace}}class ff extends Pr{constructor({gamma:e,offsetHdr:t,offsetSdr:i,gainMapMin:n,gainMapMax:r,maxDisplayBoost:s,hdrCapacityMin:a,hdrCapacityMax:o,sdr:l,gainMap:c}){super({name:"GainMapDecoderMaterial",vertexShader:"\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n}\n",fragmentShader:"\n// min half float value\n#define HALF_FLOAT_MIN vec3( -65504, -65504, -65504 )\n// max half float value\n#define HALF_FLOAT_MAX vec3( 65504, 65504, 65504 )\n\nuniform sampler2D sdr;\nuniform sampler2D gainMap;\nuniform vec3 gamma;\nuniform vec3 offsetHdr;\nuniform vec3 offsetSdr;\nuniform vec3 gainMapMin;\nuniform vec3 gainMapMax;\nuniform float weightFactor;\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec3 rgb = texture2D( sdr, vUv ).rgb;\n  vec3 recovery = texture2D( gainMap, vUv ).rgb;\n  vec3 logRecovery = pow( recovery, gamma );\n  vec3 logBoost = gainMapMin * ( 1.0 - logRecovery ) + gainMapMax * logRecovery;\n  vec3 hdrColor = (rgb + offsetSdr) * exp2( logBoost * weightFactor ) - offsetHdr;\n  vec3 clampedHdrColor = max( HALF_FLOAT_MIN, min( HALF_FLOAT_MAX, hdrColor ));\n  gl_FragColor = vec4( clampedHdrColor , 1.0 );\n}\n",uniforms:{sdr:{value:l},gainMap:{value:c},gamma:{value:new Ci(1/e[0],1/e[1],1/e[2])},offsetHdr:{value:(new Ci).fromArray(t)},offsetSdr:{value:(new Ci).fromArray(i)},gainMapMin:{value:(new Ci).fromArray(n)},gainMapMax:{value:(new Ci).fromArray(r)},weightFactor:{value:(Math.log2(s)-a)/(o-a)}},blending:0,depthTest:!1,depthWrite:!1}),this._maxDisplayBoost=s,this._hdrCapacityMin=a,this._hdrCapacityMax=o,this.needsUpdate=!0,this.uniformsNeedUpdate=!0}get sdr(){return this.uniforms.sdr.value}set sdr(e){this.uniforms.sdr.value=e}get gainMap(){return this.uniforms.gainMap.value}set gainMap(e){this.uniforms.gainMap.value=e}get offsetHdr(){return this.uniforms.offsetHdr.value.toArray()}set offsetHdr(e){this.uniforms.offsetHdr.value.fromArray(e)}get offsetSdr(){return this.uniforms.offsetSdr.value.toArray()}set offsetSdr(e){this.uniforms.offsetSdr.value.fromArray(e)}get gainMapMin(){return this.uniforms.gainMapMin.value.toArray()}set gainMapMin(e){this.uniforms.gainMapMin.value.fromArray(e)}get gainMapMax(){return this.uniforms.gainMapMax.value.toArray()}set gainMapMax(e){this.uniforms.gainMapMax.value.fromArray(e)}get gamma(){const e=this.uniforms.gamma.value;return[1/e.x,1/e.y,1/e.z]}set gamma(e){const t=this.uniforms.gamma.value;t.x=1/e[0],t.y=1/e[1],t.z=1/e[2]}get hdrCapacityMin(){return this._hdrCapacityMin}set hdrCapacityMin(e){this._hdrCapacityMin=e,this.calculateWeight()}get hdrCapacityMax(){return this._hdrCapacityMax}set hdrCapacityMax(e){this._hdrCapacityMax=e,this.calculateWeight()}get maxDisplayBoost(){return this._maxDisplayBoost}set maxDisplayBoost(e){this._maxDisplayBoost=Math.max(1,Math.min(65504,e)),this.calculateWeight()}calculateWeight(){const e=(Math.log2(this._maxDisplayBoost)-this._hdrCapacityMin)/(this._hdrCapacityMax-this._hdrCapacityMin);this.uniforms.weightFactor.value=Math.max(0,Math.min(1,e))}}class bf extends Error{}class vf extends Error{}const yf=(e,t,i)=>{const n=new RegExp(`${t}="([^"]*)"`,"i").exec(e);if(n)return n[1];const r=new RegExp(`<${t}[^>]*>([\\s\\S]*?)</${t}>`,"i").exec(e);if(r){const e=r[1].match(/<rdf:li>([^<]*)<\/rdf:li>/g);return e&&3===e.length?e.map((e=>e.replace(/<\/?rdf:li>/g,""))):r[1].trim()}if(void 0!==i)return i;throw new Error(`Can't find ${t} in gainmap metadata`)};class _f{constructor(e){this.options={debug:!(!e||void 0===e.debug)&&e.debug,extractFII:!e||void 0===e.extractFII||e.extractFII,extractNonFII:!e||void 0===e.extractNonFII||e.extractNonFII}}extract(e){return new Promise(((t,i)=>{const n=this.options.debug,r=new DataView(e.buffer);if(65496!==r.getUint16(0))return void i(new Error("Not a valid jpeg"));const s=r.byteLength;let a,o=2,l=0;for(;o<s;){if(++l>250)return void i(new Error(`Found no marker after ${l} loops 😵`));if(255!==r.getUint8(o))return void i(new Error(`Not a valid marker at offset 0x${o.toString(16)}, found: 0x${r.getUint8(o).toString(16)}`));if(a=r.getUint8(o+1),n&&console.log(`Marker: ${a.toString(16)}`),226===a){n&&console.log("Found APP2 marker (0xffe2)");const e=o+4;if(1297106432===r.getUint32(e)){const n=e+4;let s;if(18761===r.getUint16(n))s=!1;else{if(19789!==r.getUint16(n))return void i(new Error("No valid endianness marker found in TIFF header"));s=!0}if(42!==r.getUint16(n+2,!s))return void i(new Error("Not valid TIFF data! (no 0x002A marker)"));const a=r.getUint32(n+4,!s);if(a<8)return void i(new Error("Not valid TIFF data! (First offset less than 8)"));const o=n+a,l=r.getUint16(o,!s),c=o+2;let h=0;for(let e=c;e<c+12*l;e+=12)45057===r.getUint16(e,!s)&&(h=r.getUint32(e+8,!s));const u=o+2+12*l+4,d=[];for(let e=u;e<u+16*h;e+=16){const t={MPType:r.getUint32(e,!s),size:r.getUint32(e+4,!s),dataOffset:r.getUint32(e+8,!s),dependantImages:r.getUint32(e+12,!s),start:-1,end:-1,isFII:!1};t.dataOffset?(t.start=n+t.dataOffset,t.isFII=!1):(t.start=0,t.isFII=!0),t.end=t.start+t.size,d.push(t)}if(this.options.extractNonFII&&d.length){const e=new Blob([r]),i=[];for(const t of d){if(t.isFII&&!this.options.extractFII)continue;const n=e.slice(t.start,t.end+1,"image/jpeg");i.push(n)}t(i)}}}o+=2+r.getUint16(o+2)}}))}}const Ef=async e=>{const t=(e=>{let t;t="undefined"!=typeof TextDecoder?(new TextDecoder).decode(e):e.toString();let i=t.indexOf("<x:xmpmeta");for(;-1!==i;){const e=t.indexOf("x:xmpmeta>",i),n=t.slice(i,e+10);try{const e=yf(n,"hdrgm:GainMapMin","0"),t=yf(n,"hdrgm:GainMapMax"),i=yf(n,"hdrgm:Gamma","1"),r=yf(n,"hdrgm:OffsetSDR","0.015625"),s=yf(n,"hdrgm:OffsetHDR","0.015625"),a=/hdrgm:HDRCapacityMin="([^"]*)"/.exec(n),o=a?a[1]:"0",l=/hdrgm:HDRCapacityMax="([^"]*)"/.exec(n);if(!l)throw new Error("Incomplete gainmap metadata");const c=l[1];return{gainMapMin:Array.isArray(e)?e.map((e=>parseFloat(e))):[parseFloat(e),parseFloat(e),parseFloat(e)],gainMapMax:Array.isArray(t)?t.map((e=>parseFloat(e))):[parseFloat(t),parseFloat(t),parseFloat(t)],gamma:Array.isArray(i)?i.map((e=>parseFloat(e))):[parseFloat(i),parseFloat(i),parseFloat(i)],offsetSdr:Array.isArray(r)?r.map((e=>parseFloat(e))):[parseFloat(r),parseFloat(r),parseFloat(r)],offsetHdr:Array.isArray(s)?s.map((e=>parseFloat(e))):[parseFloat(s),parseFloat(s),parseFloat(s)],hdrCapacityMin:parseFloat(o),hdrCapacityMax:parseFloat(c)}}catch(e){}i=t.indexOf("<x:xmpmeta",e)}})(e);if(!t)throw new vf("Gain map XMP metadata not found");const i=new _f({extractFII:!0,extractNonFII:!0}),n=await i.extract(e);if(2!==n.length)throw new bf("Gain map recovery image not found");return{sdr:new Uint8Array(await n[0].arrayBuffer()),gainMap:new Uint8Array(await n[1].arrayBuffer()),metadata:t}},xf=e=>new Promise(((t,i)=>{const n=document.createElement("img");n.onload=()=>{t(n)},n.onerror=e=>{i(e)},n.src=URL.createObjectURL(e)}));class Sf extends Ta{constructor(e,t){super(t),e&&(this._renderer=e),this._internalLoadingManager=new Ia}setRenderer(e){return this._renderer=e,this}setRenderTargetOptions(e){return this._renderTargetOptions=e,this}prepareQuadRenderer(){this._renderer||console.warn("WARNING: An existing WebGL Renderer was not passed to this Loader constructor or in setRenderer, the result of this Loader will need to be converted to a Data Texture with toDataTexture() before you can use it in your renderer.");const e=new ff({gainMapMax:[1,1,1],gainMapMin:[0,0,0],gamma:[1,1,1],offsetHdr:[1,1,1],offsetSdr:[1,1,1],hdrCapacityMax:1,hdrCapacityMin:0,maxDisplayBoost:1,gainMap:new bi,sdr:new bi});return new gf({width:16,height:16,type:Ee,colorSpace:St,material:e,renderer:this._renderer,renderTargetOptions:this._renderTargetOptions})}async render(e,t,i,n){const r=n?new Blob([n],{type:"image/jpeg"}):void 0,s=new Blob([i],{type:"image/jpeg"});let a,o,l=!1;if("undefined"==typeof createImageBitmap){const e=await Promise.all([r?xf(r):Promise.resolve(void 0),xf(s)]);o=e[0],a=e[1],l=!0}else{const e=await Promise.all([r?createImageBitmap(r,{imageOrientation:"flipY"}):Promise.resolve(void 0),createImageBitmap(s,{imageOrientation:"flipY"})]);o=e[0],a=e[1]}const c=new bi(o||new ImageData(2,2),te,oe,oe,de,1008,Ie,me,1,St);c.flipY=l,c.needsUpdate=!0;const h=new bi(a,te,oe,oe,de,1008,Ie,me,1,xt);h.flipY=l,h.needsUpdate=!0,e.width=a.width,e.height=a.height,e.material.gainMap=c,e.material.sdr=h,e.material.gainMapMin=t.gainMapMin,e.material.gainMapMax=t.gainMapMax,e.material.offsetHdr=t.offsetHdr,e.material.offsetSdr=t.offsetSdr,e.material.gamma=t.gamma,e.material.hdrCapacityMin=t.hdrCapacityMin,e.material.hdrCapacityMax=t.hdrCapacityMax,e.material.maxDisplayBoost=Math.pow(2,t.hdrCapacityMax),e.material.needsUpdate=!0,e.render()}}class Cf extends Sf{load(e,t,i,n){const r=this.prepareQuadRenderer(),s=new Da(this._internalLoadingManager);return s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),s.setPath(this.path),s.setWithCredentials(this.withCredentials),this.manager.itemStart(e),s.load(e,(async i=>{if("string"==typeof i)throw new Error("Invalid buffer, received [string], was expecting [ArrayBuffer]");const s=new Uint8Array(i);let a,o,l;try{const e=await Ef(s);a=e.sdr,o=e.gainMap,l=e.metadata}catch(t){if(!(t instanceof vf||t instanceof bf))throw t;console.warn(`Failure to reconstruct an HDR image from ${e}: Gain map metadata not found in the file, HDRJPGLoader will render the SDR jpeg`),l={gainMapMin:[0,0,0],gainMapMax:[1,1,1],gamma:[1,1,1],hdrCapacityMin:0,hdrCapacityMax:1,offsetHdr:[0,0,0],offsetSdr:[0,0,0]},a=s}try{await this.render(r,l,a,o)}catch(t){return this.manager.itemError(e),"function"==typeof n&&n(t),void r.disposeOnDemandRenderer()}"function"==typeof t&&t(r),this.manager.itemEnd(e),r.disposeOnDemandRenderer()}),i,(t=>{this.manager.itemError(e),"function"==typeof n&&n(t)})),r}}class wf extends Ua{constructor(e){super(e),this.type=Ee}parse(e){const t=function(e,t){switch(e){case 1:throw new Error("THREE.RGBELoader: Read Error: "+(t||""));case 2:throw new Error("THREE.RGBELoader: Write Error: "+(t||""));case 3:throw new Error("THREE.RGBELoader: Bad File Format: "+(t||""));default:throw new Error("THREE.RGBELoader: Memory Error: "+(t||""))}},i=function(e,t,i){t=t||1024;let n=e.pos,r=-1,s=0,a="",o=String.fromCharCode.apply(null,new Uint16Array(e.subarray(n,n+128)));for(;0>(r=o.indexOf("\n"))&&s<t&&n<e.byteLength;)a+=o,s+=o.length,n+=128,o+=String.fromCharCode.apply(null,new Uint16Array(e.subarray(n,n+128)));return-1<r&&(e.pos+=s+r+1,a+o.slice(0,r))},n=function(e,t,i,n){const r=e[t+3],s=Math.pow(2,r-128)/255;i[n+0]=e[t+0]*s,i[n+1]=e[t+1]*s,i[n+2]=e[t+2]*s,i[n+3]=1},r=function(e,t,i,n){const r=e[t+3],s=Math.pow(2,r-128)/255;i[n+0]=tr.toHalfFloat(Math.min(e[t+0]*s,65504)),i[n+1]=tr.toHalfFloat(Math.min(e[t+1]*s,65504)),i[n+2]=tr.toHalfFloat(Math.min(e[t+2]*s,65504)),i[n+3]=tr.toHalfFloat(1)},s=new Uint8Array(e);s.pos=0;const a=function(e){const n=/^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/,r=/^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/,s=/^\s*FORMAT=(\S+)\s*$/,a=/^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/,o={valid:0,string:"",comments:"",programtype:"RGBE",format:"",gamma:1,exposure:1,width:0,height:0};let l,c;for((e.pos>=e.byteLength||!(l=i(e)))&&t(1,"no header found"),(c=l.match(/^#\?(\S+)/))||t(3,"bad initial token"),o.valid|=1,o.programtype=c[1],o.string+=l+"\n";l=i(e),!1!==l;)if(o.string+=l+"\n","#"!==l.charAt(0)){if((c=l.match(n))&&(o.gamma=parseFloat(c[1])),(c=l.match(r))&&(o.exposure=parseFloat(c[1])),(c=l.match(s))&&(o.valid|=2,o.format=c[1]),(c=l.match(a))&&(o.valid|=4,o.height=parseInt(c[1],10),o.width=parseInt(c[2],10)),2&o.valid&&4&o.valid)break}else o.comments+=l+"\n";return 2&o.valid||t(3,"missing format specifier"),4&o.valid||t(3,"missing image size specifier"),o}(s),o=a.width,l=a.height,c=function(e,i,n){const r=i;if(r<8||r>32767||2!==e[0]||2!==e[1]||128&e[2])return new Uint8Array(e);r!==(e[2]<<8|e[3])&&t(3,"wrong scanline width");const s=new Uint8Array(4*i*n);s.length||t(4,"unable to allocate buffer space");let a=0,o=0;const l=4*r,c=new Uint8Array(4),h=new Uint8Array(l);let u=n;for(;u>0&&o<e.byteLength;){o+4>e.byteLength&&t(1),c[0]=e[o++],c[1]=e[o++],c[2]=e[o++],c[3]=e[o++],2==c[0]&&2==c[1]&&(c[2]<<8|c[3])==r||t(3,"bad rgbe scanline format");let i,n=0;for(;n<l&&o<e.byteLength;){i=e[o++];const r=i>128;if(r&&(i-=128),(0===i||n+i>l)&&t(3,"bad scanline data"),r){const t=e[o++];for(let e=0;e<i;e++)h[n++]=t}else h.set(e.subarray(o,o+i),n),n+=i,o+=i}const d=r;for(let e=0;e<d;e++){let t=0;s[a]=h[e+t],t+=r,s[a+1]=h[e+t],t+=r,s[a+2]=h[e+t],t+=r,s[a+3]=h[e+t],a+=4}u--}return s}(s.subarray(s.pos),o,l);let h,u,d;switch(this.type){case _e:d=c.length/4;const e=new Float32Array(4*d);for(let t=0;t<d;t++)n(c,4*t,e,4*t);h=e,u=_e;break;case Ee:d=c.length/4;const t=new Uint16Array(4*d);for(let e=0;e<d;e++)r(c,4*e,t,4*e);h=t,u=Ee;break;default:throw new Error("THREE.RGBELoader: Unsupported type: "+this.type)}return{width:o,height:l,data:h,header:a.string,gamma:a.gamma,exposure:a.exposure,type:u}}setDataType(e){return this.type=e,this}load(e,t,i,n){return super.load(e,(function(e,i){switch(e.type){case _e:case Ee:e.colorSpace=St,e.minFilter=de,e.magFilter=de,e.generateMipmaps=!1,e.flipY=!0}t&&t(e,i)}),i,n)}}
    746. 

  746. /* @license
    747. 

  747.  * Copyright 2021 Google LLC. All Rights Reserved.
    748. 

  748.  * Licensed under the Apache License, Version 2.0 (the 'License');
    749. 

  749.  * you may not use this file except in compliance with the License.
    750. 

  750.  * You may obtain a copy of the License at
    751. 

  751.  *
    752. 

  752.  *     http://www.apache.org/licenses/LICENSE-2.0
    753. 

  753.  *
    754. 

  754.  * Unless required by applicable law or agreed to in writing, software
    755. 

  755.  * distributed under the License is distributed on an 'AS IS' BASIS,
    756. 

  756.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    757. 

  757.  * See the License for the specific language governing permissions and
    758. 

  758.  * limitations under the License.
    759. 

  759.  */const If={topLight:{intensity:500,position:[.418,16.199,.3]},room:{position:[-.757,13.219,.717],scale:[31.713,28.305,28.591]},boxes:[{position:[-10.906,2.009,1.846],rotation:-.195,scale:[2.328,7.905,4.651]},{position:[-5.607,-.754,-.758],rotation:.994,scale:[1.97,1.534,3.955]},{position:[6.167,.857,7.803],rotation:.561,scale:[3.927,6.285,3.687]},{position:[-2.017,.018,6.124],rotation:.333,scale:[2.002,4.566,2.064]},{position:[2.291,-.756,-2.621],rotation:-.286,scale:[1.546,1.552,1.496]},{position:[-2.193,-.369,-5.547],rotation:.516,scale:[3.875,3.487,2.986]}],lights:[{intensity:50,position:[-16.116,14.37,8.208],scale:[.1,2.428,2.739]},{intensity:50,position:[-16.109,18.021,-8.207],scale:[.1,2.425,2.751]},{intensity:17,position:[14.904,12.198,-1.832],scale:[.15,4.265,6.331]},{intensity:43,position:[-.462,8.89,14.52],scale:[4.38,5.441,.088]},{intensity:20,position:[3.235,11.486,-12.541],scale:[2.5,2,.1]},{intensity:100,position:[0,20,0],scale:[1,.1,1]}]},Mf={topLight:{intensity:400,position:[.5,14,.5]},room:{position:[0,13.2,0],scale:[31.5,28.5,31.5]},boxes:[{position:[-10.906,-1,1.846],rotation:-.195,scale:[2.328,7.905,4.651]},{position:[-5.607,-.754,-.758],rotation:.994,scale:[1.97,1.534,3.955]},{position:[6.167,-.16,7.803],rotation:.561,scale:[3.927,6.285,3.687]},{position:[-2.017,.018,6.124],rotation:.333,scale:[2.002,4.566,2.064]},{position:[2.291,-.756,-2.621],rotation:-.286,scale:[1.546,1.552,1.496]},{position:[-2.193,-.369,-5.547],rotation:.516,scale:[3.875,3.487,2.986]}],lights:[{intensity:80,position:[-14,10,8],scale:[.1,2.5,2.5]},{intensity:80,position:[-14,14,-4],scale:[.1,2.5,2.5]},{intensity:23,position:[14,12,0],scale:[.1,5,5]},{intensity:16,position:[0,9,14],scale:[5,5,.1]},{intensity:80,position:[7,8,-14],scale:[2.5,2.5,.1]},{intensity:80,position:[-7,16,-14],scale:[2.5,2.5,.1]},{intensity:1,position:[0,20,0],scale:[.1,.1,.1]}]};class Tf extends Xr{constructor(e){super(),this.position.y=-3.5;const t=new Br;t.deleteAttribute("uv");const i=new ra({metalness:0,side:1}),n=new ra({metalness:0}),r="legacy"==e?If:Mf,s=new ja(16777215,r.topLight.intensity,28,2);s.position.set(...r.topLight.position),this.add(s);const a=new Mr(t,i);a.position.set(...r.room.position),a.scale.set(...r.room.scale),this.add(a);for(const e of r.boxes){const i=new Mr(t,n);i.position.set(...e.position),i.rotation.set(0,e.rotation,0),i.scale.set(...e.scale),this.add(i)}for(const e of r.lights){const i=new Mr(t,this.createAreaLightMaterial(e.intensity));i.position.set(...e.position),i.scale.set(...e.scale),this.add(i)}}createAreaLightMaterial(e){const t=new $n;return t.color.setScalar(e),t}}
    760. 

  760. /* @license
    761. 

  761.  * Copyright 2019 Google LLC. All Rights Reserved.
    762. 

  762.  * Licensed under the Apache License, Version 2.0 (the 'License');
    763. 

  763.  * you may not use this file except in compliance with the License.
    764. 

  764.  * You may obtain a copy of the License at
    765. 

  765.  *
    766. 

  766.  *     http://www.apache.org/licenses/LICENSE-2.0
    767. 

  767.  *
    768. 

  768.  * Unless required by applicable law or agreed to in writing, software
    769. 

  769.  * distributed under the License is distributed on an 'AS IS' BASIS,
    770. 

  770.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    771. 

  771.  * See the License for the specific language governing permissions and
    772. 

  772.  * limitations under the License.
    773. 

  773.  */const Bf=20,Rf=/\.hdr(\.js)?$/;class Df{constructor(e){this.threeRenderer=e,this.lottieLoaderUrl="",this._ldrLoader=null,this._imageLoader=null,this._hdrLoader=null,this._lottieLoader=null,this.generatedEnvironmentMap=null,this.generatedEnvironmentMapAlt=null,this.skyboxCache=new Map,this.blurMaterial=null,this.blurScene=null}ldrLoader(e){return null==this._ldrLoader&&(this._ldrLoader=new Pa),this._ldrLoader.setWithCredentials(e),this._ldrLoader}imageLoader(e){return null==this._imageLoader&&(this._imageLoader=new Cf(this.threeRenderer)),this._imageLoader.setWithCredentials(e),this._imageLoader}hdrLoader(e){return null==this._hdrLoader&&(this._hdrLoader=new wf,this._hdrLoader.setDataType(Ee)),this._hdrLoader.setWithCredentials(e),this._hdrLoader}async getLottieLoader(e){if(null==this._lottieLoader){const{LottieLoader:e}=await import(this.lottieLoaderUrl);this._lottieLoader=new e}return this._lottieLoader.setWithCredentials(e),this._lottieLoader}async loadImage(e,t){const i=await new Promise(((i,n)=>this.ldrLoader(t).load(e,i,(()=>{}),n)));return i.name=e,i.flipY=!1,i}async loadLottie(e,t,i){const n=await this.getLottieLoader(i);n.setQuality(t);const r=await new Promise(((t,i)=>n.load(e,t,(()=>{}),i)));return r.name=e,r}async loadEquirect(e,t=!1,i=()=>{}){try{const n=Rf.test(e),r=n?this.hdrLoader(t):this.imageLoader(t),s=await new Promise(((t,n)=>r.load(e,(e=>{const{renderTarget:i}=e;if(null!=i){const{texture:n}=i;e.dispose(!1),t(n)}else t(e)}),(e=>{i(e.loaded/e.total*.9)}),n)));return i(1),s.name=e,s.mapping=re,n||(s.colorSpace=xt),s}finally{i&&i(1)}}async generateEnvironmentMapAndSkybox(e=null,t=null,i=()=>{},n=!1){const r="legacy"!==t;"legacy"!==t&&"neutral"!==t||(t=null),t=Zh(t);let s,a=Promise.resolve(null);e&&(a=this.loadEquirectFromUrl(e,n,i)),s=t?this.loadEquirectFromUrl(t,n,i):e?this.loadEquirectFromUrl(e,n,i):r?this.loadGeneratedEnvironmentMapAlt():this.loadGeneratedEnvironmentMap();const[o,l]=await Promise.all([s,a]);if(null==o)throw new Error("Failed to load environment map.");return{environmentMap:o,skybox:l}}async loadEquirectFromUrl(e,t,i){if(!this.skyboxCache.has(e)){const n=this.loadEquirect(e,t,i);this.skyboxCache.set(e,n)}return this.skyboxCache.get(e)}async GenerateEnvironmentMap(e,t){await((e=0)=>new Promise((t=>setTimeout(t,e))))();const i=this.threeRenderer,n=new Vr(256,{generateMipmaps:!1,type:Ee,format:Ie,colorSpace:St,depthBuffer:!0}),r=new Hr(.1,100,n),s=r.renderTarget.texture;s.name=t;const a=i.outputColorSpace,o=i.toneMapping;return i.toneMapping=0,i.outputColorSpace=St,r.update(i,e),this.blurCubemap(n,.04),i.toneMapping=o,i.outputColorSpace=a,s}async loadGeneratedEnvironmentMap(){return null==this.generatedEnvironmentMap&&(this.generatedEnvironmentMap=this.GenerateEnvironmentMap(new Tf("legacy"),"legacy")),this.generatedEnvironmentMap}async loadGeneratedEnvironmentMapAlt(){return null==this.generatedEnvironmentMapAlt&&(this.generatedEnvironmentMapAlt=this.GenerateEnvironmentMap(new Tf("neutral"),"neutral")),this.generatedEnvironmentMapAlt}blurCubemap(e,t){if(null==this.blurMaterial){this.blurMaterial=this.getBlurShader(Bf);const e=new Br,t=new Mr(e,this.blurMaterial);this.blurScene=new Xr,this.blurScene.add(t)}const i=e.clone();this.halfblur(e,i,t,"latitudinal"),this.halfblur(i,e,t,"longitudinal")}halfblur(e,t,i,n){const r=e.width,s=isFinite(i)?Math.PI/(2*r):2*Math.PI/39,a=i/s,o=isFinite(i)?1+Math.floor(3*a):Bf;o>Bf&&console.warn(`sigmaRadians, ${i}, is too large and will clip, as it requested ${o} samples when the maximum is set to 20`);const l=[];let c=0;for(let e=0;e<Bf;++e){const t=e/a,i=Math.exp(-t*t/2);l.push(i),0==e?c+=i:e<o&&(c+=2*i)}for(let e=0;e<l.length;e++)l[e]=l[e]/c;const h=this.blurMaterial.uniforms;h.envMap.value=e.texture,h.samples.value=o,h.weights.value=l,h.latitudinal.value="latitudinal"===n,h.dTheta.value=s;new Hr(.1,100,t).update(this.threeRenderer,this.blurScene)}getBlurShader(e){const t=new Float32Array(e),i=new Ci(0,1,0);return new Pr({name:"SphericalGaussianBlur",defines:{n:e},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:t},latitudinal:{value:!1},dTheta:{value:0},poleAxis:{value:i}},vertexShader:"\n      \n      varying vec3 vOutputDirection;\n  \n      void main() {\n  \n        vOutputDirection = vec3( position );\n        gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n  \n      }\n    ",fragmentShader:"\n        varying vec3 vOutputDirection;\n  \n        uniform samplerCube envMap;\n        uniform int samples;\n        uniform float weights[ n ];\n        uniform bool latitudinal;\n        uniform float dTheta;\n        uniform vec3 poleAxis;\n  \n        vec3 getSample( float theta, vec3 axis ) {\n  \n          float cosTheta = cos( theta );\n          // Rodrigues' axis-angle rotation\n          vec3 sampleDirection = vOutputDirection * cosTheta\n            + cross( axis, vOutputDirection ) * sin( theta )\n            + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n  \n          return vec3( textureCube( envMap, sampleDirection ) );\n  \n        }\n  \n        void main() {\n  \n          vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n  \n          if ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n  \n            axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n  \n          }\n  \n          axis = normalize( axis );\n  \n          gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n          gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n  \n          for ( int i = 1; i < n; i++ ) {\n  \n            if ( i >= samples ) {\n  \n              break;\n  \n            }\n  \n            float theta = dTheta * float( i );\n            gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n            gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n  \n          }\n        }\n      ",blending:0,depthTest:!1,depthWrite:!1,side:1})}async dispose(){for(const[,e]of this.skyboxCache){(await e).dispose()}null!=this.generatedEnvironmentMap&&((await this.generatedEnvironmentMap).dispose(),this.generatedEnvironmentMap=null),null!=this.generatedEnvironmentMapAlt&&((await this.generatedEnvironmentMapAlt).dispose(),this.generatedEnvironmentMapAlt=null),null!=this.blurMaterial&&this.blurMaterial.dispose()}}
    774. 

  774. /* @license
    775. 

  775.  * Copyright 2019 Google LLC. All Rights Reserved.
    776. 

  776.  * Licensed under the Apache License, Version 2.0 (the 'License');
    777. 

  777.  * you may not use this file except in compliance with the License.
    778. 

  778.  * You may obtain a copy of the License at
    779. 

  779.  *
    780. 

  780.  *     http://www.apache.org/licenses/LICENSE-2.0
    781. 

  781.  *
    782. 

  782.  * Unless required by applicable law or agreed to in writing, software
    783. 

  783.  * distributed under the License is distributed on an 'AS IS' BASIS,
    784. 

  784.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    785. 

  785.  * See the License for the specific language governing permissions and
    786. 

  786.  * limitations under the License.
    787. 

  787.  */const Lf=[1,.79,.62,.5,.4,.31,.25],Uf="high-performance";class Pf extends Ot{static get singleton(){return this._singleton||(this._singleton=new Pf({powerPreference:(self.ModelViewerElement||{}).powerPreference||Uf,debug:ru()})),this._singleton}static resetSingleton(){const e=this._singleton.dispose();for(const t of e)t.disconnectedCallback();this._singleton=new Pf({powerPreference:(self.ModelViewerElement||{}).powerPreference||Uf,debug:ru()});for(const t of e)t.connectedCallback()}get canRender(){return null!=this.threeRenderer}get scaleFactor(){return Lf[this.scaleStep]}set minScale(e){let t=1;for(;t<Lf.length&&!(Lf[t]<e);)++t;this.lastStep=t-1}constructor(e){super(),this.loader=new gp(pf),this.width=0,this.height=0,this.dpr=1,this.scenes=new Set,this.multipleScenesVisible=!1,this.lastTick=performance.now(),this.renderedLastFrame=!1,this.scaleStep=0,this.lastStep=3,this.avgFrameDuration=50,this.onWebGLContextLost=e=>{this.dispatchEvent({type:"contextlost",sourceEvent:e})},this.onWebGLContextRestored=()=>{var e;null===(e=this.textureUtils)||void 0===e||e.dispose(),this.textureUtils=new Df(this.threeRenderer);for(const e of this.scenes)e.element[lu]()},this.dpr=window.devicePixelRatio,this.canvas3D=document.createElement("canvas"),this.canvas3D.id="webgl-canvas",this.canvas3D.classList.add("show");try{this.threeRenderer=new th({canvas:this.canvas3D,alpha:!0,antialias:!0,powerPreference:e.powerPreference,preserveDrawingBuffer:!0}),this.threeRenderer.autoClear=!0,this.threeRenderer.setPixelRatio(1),this.threeRenderer.debug={checkShaderErrors:!!e.debug,onShaderError:null},this.threeRenderer.toneMapping=7}catch(e){console.warn(e)}this.arRenderer=new jg(this),this.textureUtils=this.canRender?new Df(this.threeRenderer):null,gp.initializeKTX2Loader(this.threeRenderer),this.canvas3D.addEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.addEventListener("webglcontextrestored",this.onWebGLContextRestored),this.updateRendererSize()}registerScene(e){this.scenes.add(e),e.forceRescale();const t=new $t;this.threeRenderer.getSize(t),e.canvas.width=t.x,e.canvas.height=t.y,this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(((e,t)=>this.render(e,t)))}unregisterScene(e){this.scenes.delete(e),this.canvas3D.parentElement===e.canvas.parentElement&&e.canvas.parentElement.removeChild(this.canvas3D),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null)}displayCanvas(e){return e.element.modelIsVisible&&!this.multipleScenesVisible?this.canvas3D:e.element[Cy]}countVisibleScenes(){const{canvas3D:e}=this;let t=0,i=null;for(const n of this.scenes){const{element:r}=n;r.modelIsVisible&&null==n.externalRenderer&&++t,e.parentElement===n.canvas.parentElement&&(i=n)}const n=t>1;if(null!=i){const t=n&&!this.multipleScenesVisible,r=!i.element.modelIsVisible;if(t||r){const{width:t,height:n}=this.sceneSize(i);this.copyPixels(i,t,n),e.parentElement.removeChild(e)}}this.multipleScenesVisible=n}updateRendererSize(){var e;const t=window.devicePixelRatio;if(t!==this.dpr)for(const e of this.scenes){const{element:t}=e;t[dy](t.getBoundingClientRect())}let i=0,n=0;for(const e of this.scenes)i=Math.max(i,e.width),n=Math.max(n,e.height);if(i!==this.width||n!==this.height||t!==this.dpr){this.width=i,this.height=n,this.dpr=t,i=Math.ceil(i*t),n=Math.ceil(n*t),this.canRender&&this.threeRenderer.setSize(i,n,!1);for(const t of this.scenes){const{canvas:r}=t;r.width=i,r.height=n,t.forceRescale(),null===(e=t.effectRenderer)||void 0===e||e.setSize(i,n)}}}updateRendererScale(e){const t=this.scaleStep;this.avgFrameDuration+=nu(.2*(e-this.avgFrameDuration),-5,5),this.avgFrameDuration>60?++this.scaleStep:this.avgFrameDuration<40&&this.scaleStep>0&&--this.scaleStep,this.scaleStep=Math.min(this.scaleStep,this.lastStep),t!==this.scaleStep&&(this.avgFrameDuration=50)}shouldRender(e){if(e.shouldRender())e.scaleStep!=this.scaleStep&&(e.scaleStep=this.scaleStep,this.rescaleCanvas(e));else{if(0==e.scaleStep)return!1;e.scaleStep=0,this.rescaleCanvas(e)}return!0}rescaleCanvas(e){const t=Lf[e.scaleStep],i=Math.ceil(this.width/t),n=Math.ceil(this.height/t),{style:r}=e.canvas;r.width=`${i}px`,r.height=`${n}px`,this.canvas3D.style.width=`${i}px`,this.canvas3D.style.height=`${n}px`;const s=this.dpr*t,a=t<1?"GPU throttling":this.dpr!==window.devicePixelRatio?"No meta viewport tag":"";e.element.dispatchEvent(new CustomEvent("render-scale",{detail:{reportedDpr:window.devicePixelRatio,renderedDpr:s,minimumDpr:this.dpr*Lf[this.lastStep],pixelWidth:Math.ceil(e.width*s),pixelHeight:Math.ceil(e.height*s),reason:a}}))}sceneSize(e){const{dpr:t}=this,i=Lf[e.scaleStep];return{width:Math.min(Math.ceil(e.width*i*t),this.canvas3D.width),height:Math.min(Math.ceil(e.height*i*t),this.canvas3D.height)}}copyPixels(e,t,i){const n=e.context;null!=n?(n.clearRect(0,0,t,i),n.drawImage(this.canvas3D,0,0,t,i,0,0,t,i),e.canvas.classList.add("show")):console.log("could not acquire 2d context")}orderedScenes(){const e=[];for(const t of[!1,!0])for(const i of this.scenes)i.element.modelIsVisible===t&&e.push(i);return e}get isPresenting(){return this.arRenderer.isPresenting}preRender(e,t,i){const{element:n,exposure:r,toneMapping:s}=e;n[My](t,i);const a="number"==typeof r&&!Number.isNaN(r),o=n.environmentImage,l=n.skyboxImage,c=7===s&&("neutral"===o||"legacy"===o||!o&&!l);this.threeRenderer.toneMappingExposure=(a?r:1)*(c?1.3:1)}render(e,t){if(null!=t)return void this.arRenderer.onWebXRFrame(e,t);const i=e-this.lastTick;if(this.lastTick=e,!this.canRender||this.isPresenting)return;this.countVisibleScenes(),this.updateRendererSize(),this.renderedLastFrame&&(this.updateRendererScale(i),this.renderedLastFrame=!1);const{canvas3D:n}=this;for(const t of this.orderedScenes()){const{element:r}=t;if(!r.loaded||!r.modelIsVisible&&t.renderCount>0)continue;if(this.preRender(t,e,i),!this.shouldRender(t))continue;if(null!=t.externalRenderer){const e=t.getCamera();e.updateMatrix();const{matrix:i,projectionMatrix:n}=e,r=i.elements.slice(),s=t.getTarget();r[12]+=s.x,r[13]+=s.y,r[14]+=s.z,t.externalRenderer.render({viewMatrix:r,projectionMatrix:n.elements});continue}if(!r.modelIsVisible&&!this.multipleScenesVisible)for(const e of this.scenes)e.element.modelIsVisible&&e.queueRender();const{width:s,height:a}=this.sceneSize(t);t.renderShadow(this.threeRenderer),this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.ceil(this.height*this.dpr)-a,s,a),null!=t.effectRenderer?t.effectRenderer.render(i):(this.threeRenderer.autoClear=!0,this.threeRenderer.toneMapping=t.toneMapping,this.threeRenderer.render(t,t.camera)),this.multipleScenesVisible||!t.element.modelIsVisible&&0===t.renderCount?this.copyPixels(t,s,a):n.parentElement!==t.canvas.parentElement&&(t.canvas.parentElement.appendChild(n),t.canvas.classList.remove("show")),t.hasRendered(),++t.renderCount,this.renderedLastFrame=!0}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null;const e=[];for(const t of this.scenes)e.push(t.element);return this.canvas3D.removeEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.removeEventListener("webglcontextrestored",this.onWebGLContextRestored),e}}
    788. 

  788. /* @license
    789. 

  789.  * Copyright 2020 Google LLC. All Rights Reserved.
    790. 

  790.  * Licensed under the Apache License, Version 2.0 (the 'License');
    791. 

  791.  * you may not use this file except in compliance with the License.
    792. 

  792.  * You may obtain a copy of the License at
    793. 

  793.  *
    794. 

  794.  *     http://www.apache.org/licenses/LICENSE-2.0
    795. 

  795.  *
    796. 

  796.  * Unless required by applicable law or agreed to in writing, software
    797. 

  797.  * distributed under the License is distributed on an 'AS IS' BASIS,
    798. 

  798.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    799. 

  799.  * See the License for the specific language governing permissions and
    800. 

  800.  * limitations under the License.
    801. 

  801.  */const Ff=Symbol("correlatedObjects"),Nf=Symbol("onUpdate");class Qf{constructor(e,t){this[Nf]=e,this[Ff]=t}}
    802. 

  802. /* @license
    803. 

  803.  * Copyright 2020 Google LLC. All Rights Reserved.
    804. 

  804.  * Licensed under the Apache License, Version 2.0 (the 'License');
    805. 

  805.  * you may not use this file except in compliance with the License.
    806. 

  806.  * You may obtain a copy of the License at
    807. 

  807.  *
    808. 

  808.  *     http://www.apache.org/licenses/LICENSE-2.0
    809. 

  809.  *
    810. 

  810.  * Unless required by applicable law or agreed to in writing, software
    811. 

  811.  * distributed under the License is distributed on an 'AS IS' BASIS,
    812. 

  812.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    813. 

  813.  * See the License for the specific language governing permissions and
    814. 

  814.  * limitations under the License.
    815. 

  815.  */const kf=new $n,Of=new ia(2,2);let Gf=0;const Hf=Symbol("threeTexture"),zf=Symbol("threeTextures");let Vf=class extends Qf{get[Hf](){var e;return null===(e=this[Ff])||void 0===e?void 0:e.values().next().value}get[zf](){return this[Ff]}constructor(e,t){super(e,new Set(t?[t]:[])),this[Hf].image.src||(this[Hf].image.src=t.name?t.name:"adhoc_image"+Gf++),this[Hf].image.name||(this[Hf].image.name=t&&t.image&&t.image.src?t.image.src.split("/").pop():"adhoc_image")}get name(){return this[Hf].image.name||""}get uri(){return this[Hf].image.src}get bufferView(){return this[Hf].image.bufferView}get element(){const e=this[Hf];if(e&&(e.isCanvasTexture||e.isVideoTexture))return e.image}get animation(){const e=this[Hf];if(e&&e.isCanvasTexture&&e.animation)return e.animation}get type(){return null!=this.uri?"external":"embedded"}set name(e){for(const t of this[zf])t.image.name=e}update(){const e=this[Hf];e&&e.isCanvasTexture&&!e.animation&&(this[Hf].needsUpdate=!0,this[Nf]())}async createThumbnail(e,t){const i=new Xr;kf.map=this[Hf];const n=new Mr(Of,kf);i.add(n);const r=new Xa(-1,1,1,-1,0,1),{threeRenderer:s}=Pf.singleton,a=new _i(e,t);s.setRenderTarget(a),s.render(i,r),s.setRenderTarget(null);const o=new Uint8Array(e*t*4);s.readRenderTargetPixels(a,0,0,e,t,o),iy.width=e,iy.height=t;const l=iy.getContext("2d"),c=l.createImageData(e,t);return c.data.set(o),l.putImageData(c,0,0),new Promise((async(e,t)=>{iy.toBlob((i=>{if(!i)return t("Failed to capture thumbnail.");e(URL.createObjectURL(i))}),"image/png")}))}};var Wf,qf;!function(e){e[e.Nearest=9728]="Nearest",e[e.Linear=9729]="Linear",e[e.NearestMipmapNearest=9984]="NearestMipmapNearest",e[e.LinearMipmapNearest=9985]="LinearMipmapNearest",e[e.NearestMipmapLinear=9986]="NearestMipmapLinear",e[e.LinearMipmapLinear=9987]="LinearMipmapLinear"}(Wf||(Wf={})),function(e){e[e.ClampToEdge=33071]="ClampToEdge",e[e.MirroredRepeat=33648]="MirroredRepeat",e[e.Repeat=10497]="Repeat"}(qf||(qf={}));
    816. 

  816. /* @license
    817. 

  817.  * Copyright 2020 Google LLC. All Rights Reserved.
    818. 

  818.  * Licensed under the Apache License, Version 2.0 (the 'License');
    819. 

  819.  * you may not use this file except in compliance with the License.
    820. 

  820.  * You may obtain a copy of the License at
    821. 

  821.  *
    822. 

  822.  *     http://www.apache.org/licenses/LICENSE-2.0
    823. 

  823.  *
    824. 

  824.  * Unless required by applicable law or agreed to in writing, software
    825. 

  825.  * distributed under the License is distributed on an 'AS IS' BASIS,
    826. 

  826.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    827. 

  827.  * See the License for the specific language governing permissions and
    828. 

  828.  * limitations under the License.
    829. 

  829.  */
    830. 

  830. const jf=new Map([[qf.Repeat,ae],[qf.ClampToEdge,oe],[qf.MirroredRepeat,le]]),Xf=new Map([[ae,qf.Repeat],[oe,qf.ClampToEdge],[le,qf.MirroredRepeat]]),Yf=new Map([[Wf.Nearest,ce],[Wf.Linear,de],[Wf.NearestMipmapNearest,he],[Wf.LinearMipmapNearest,pe],[Wf.NearestMipmapLinear,ue],[Wf.LinearMipmapLinear,Ae]]),Kf=new Map([[ce,Wf.Nearest],[de,Wf.Linear],[he,Wf.NearestMipmapNearest],[pe,Wf.LinearMipmapNearest],[ue,Wf.NearestMipmapLinear],[Ae,Wf.LinearMipmapLinear]]),Jf=new Map([[Wf.Nearest,ce],[Wf.Linear,de]]),$f=new Map([[ce,Wf.Nearest],[de,Wf.Linear]]),Zf=e=>Kf.has(e),eb=e=>$f.has(e),tb=e=>Xf.has(e),ib=Symbol("threeTexture"),nb=Symbol("threeTextures"),rb=Symbol("setProperty");class sb extends Qf{get[ib](){var e;return null===(e=this[Ff])||void 0===e?void 0:e.values().next().value}get[nb](){return this[Ff]}constructor(e,t){super(e,new Set(t?[t]:[]))}get name(){return this[ib].name||""}get minFilter(){return Kf.get(this[ib].minFilter)}get magFilter(){return $f.get(this[ib].magFilter)}get wrapS(){return Xf.get(this[ib].wrapS)}get wrapT(){return Xf.get(this[ib].wrapT)}get rotation(){return this[ib].rotation}get scale(){return Ny(this[ib].repeat)}get offset(){return Ny(this[ib].offset)}setMinFilter(e){this[rb]("minFilter",Yf.get(e))}setMagFilter(e){this[rb]("magFilter",Jf.get(e))}setWrapS(e){this[rb]("wrapS",jf.get(e))}setWrapT(e){this[rb]("wrapT",jf.get(e))}setRotation(e){null==e&&(e=0),this[rb]("rotation",e)}setScale(e){null==e&&(e={u:1,v:1}),this[rb]("repeat",new $t(e.u,e.v))}setOffset(e){null==e&&(e={u:0,v:0}),this[rb]("offset",new $t(e.u,e.v))}[rb](e,t){if(((e,t)=>{switch(e){case"minFilter":return Zf(t);case"magFilter":return eb(t);case"wrapS":case"wrapT":return tb(t);case"rotation":case"repeat":case"offset":return!0;default:throw new Error(`Cannot configure property "${e}" on Sampler`)}})(e,t))for(const i of this[nb])i[e]=t,i.needsUpdate=!0;this[Nf]()}}
    831. 

  831. /* @license
    832. 

  832.  * Copyright 2020 Google LLC. All Rights Reserved.
    833. 

  833.  * Licensed under the Apache License, Version 2.0 (the 'License');
    834. 

  834.  * you may not use this file except in compliance with the License.
    835. 

  835.  * You may obtain a copy of the License at
    836. 

  836.  *
    837. 

  837.  *     http://www.apache.org/licenses/LICENSE-2.0
    838. 

  838.  *
    839. 

  839.  * Unless required by applicable law or agreed to in writing, software
    840. 

  840.  * distributed under the License is distributed on an 'AS IS' BASIS,
    841. 

  841.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    842. 

  842.  * See the License for the specific language governing permissions and
    843. 

  843.  * limitations under the License.
    844. 

  844.  */const ab=Symbol("image"),ob=Symbol("sampler"),lb=Symbol("threeTexture");class cb extends Qf{get[lb](){var e;return null===(e=this[Ff])||void 0===e?void 0:e.values().next().value}constructor(e,t){super(e,new Set(t?[t]:[])),this[ob]=new sb(e,t),this[ab]=new Vf(e,t)}get name(){return this[lb].name||""}set name(e){for(const t of this[Ff])t.name=e}get sampler(){return this[ob]}get source(){return this[ab]}}
    845. 

  845. /* @license
    846. 

  846.  * Copyright 2020 Google LLC. All Rights Reserved.
    847. 

  847.  * Licensed under the Apache License, Version 2.0 (the 'License');
    848. 

  848.  * you may not use this file except in compliance with the License.
    849. 

  849.  * You may obtain a copy of the License at
    850. 

  850.  *
    851. 

  851.  *     http://www.apache.org/licenses/LICENSE-2.0
    852. 

  852.  *
    853. 

  853.  * Unless required by applicable law or agreed to in writing, software
    854. 

  854.  * distributed under the License is distributed on an 'AS IS' BASIS,
    855. 

  855.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    856. 

  856.  * See the License for the specific language governing permissions and
    857. 

  857.  * limitations under the License.
    858. 

  858.  */var hb,ub,db;const pb=Symbol("texture"),Ab=Symbol("transform"),mb=Symbol("materials"),gb=Symbol("usage"),fb=Symbol("onUpdate"),bb=Symbol("activeVideo");var vb;!function(e){e[e.Base=0]="Base",e[e.MetallicRoughness=1]="MetallicRoughness",e[e.Normal=2]="Normal",e[e.Occlusion=3]="Occlusion",e[e.Emissive=4]="Emissive",e[e.Clearcoat=5]="Clearcoat",e[e.ClearcoatRoughness=6]="ClearcoatRoughness",e[e.ClearcoatNormal=7]="ClearcoatNormal",e[e.SheenColor=8]="SheenColor",e[e.SheenRoughness=9]="SheenRoughness",e[e.Transmission=10]="Transmission",e[e.Thickness=11]="Thickness",e[e.Specular=12]="Specular",e[e.SpecularColor=13]="SpecularColor",e[e.Iridescence=14]="Iridescence",e[e.IridescenceThickness=15]="IridescenceThickness",e[e.Anisotropy=16]="Anisotropy"}(vb||(vb={}));class yb{constructor(e,t,i,n){this[hb]=null,this[ub]={rotation:0,scale:new $t(1,1),offset:new $t(0,0)},this[db]=!1,i&&(this[Ab].rotation=i.rotation,this[Ab].scale.copy(i.repeat),this[Ab].offset.copy(i.offset),this[pb]=new cb(e,i)),this[fb]=e,this[mb]=n,this[gb]=t}get texture(){return this[pb]}setTexture(e){var t,i;const n=null!=e?e.source[Hf]:null,r=null===(t=this[pb])||void 0===t?void 0:t.source[Hf];if(null!=r&&r.isVideoTexture?this[bb]=!1:(null===(i=this[pb])||void 0===i?void 0:i.source.animation)&&this[pb].source.animation.removeEventListener("enterFrame",this[fb]),this[pb]=e,null!=n&&n.isVideoTexture){const e=n.image;if(this[bb]=!0,null!=e.requestVideoFrameCallback){const t=()=>{this[bb]&&(this[fb](),e.requestVideoFrameCallback(t))};e.requestVideoFrameCallback(t)}else{const e=()=>{this[bb]&&(this[fb](),requestAnimationFrame(e))};requestAnimationFrame(e)}}else null!=(null==e?void 0:e.source.animation)&&e.source.animation.addEventListener("enterFrame",this[fb]);let s=xt;if(this[mb])for(const e of this[mb]){switch(this[gb]){case vb.Base:e.map=n;break;case vb.MetallicRoughness:s=St,e.metalnessMap=n,e.roughnessMap=n;break;case vb.Normal:s=St,e.normalMap=n;break;case vb.Occlusion:s=St,e.aoMap=n;break;case vb.Emissive:e.emissiveMap=n;break;case vb.Clearcoat:e.clearcoatMap=n;break;case vb.ClearcoatRoughness:e.clearcoatRoughnessMap=n;break;case vb.ClearcoatNormal:e.clearcoatNormalMap=n;break;case vb.SheenColor:e.sheenColorMap=n;break;case vb.SheenRoughness:e.sheenRoughnessMap=n;break;case vb.Transmission:e.transmissionMap=n;break;case vb.Thickness:e.thicknessMap=n;break;case vb.Specular:e.specularIntensityMap=n;break;case vb.SpecularColor:e.specularColorMap=n;break;case vb.Iridescence:e.iridescenceMap=n;break;case vb.IridescenceThickness:e.iridescenceThicknessMap=n;break;case vb.Anisotropy:e.anisotropyMap=n}e.needsUpdate=!0}n&&(n.colorSpace=s,n.rotation=this[Ab].rotation,n.repeat=this[Ab].scale,n.offset=this[Ab].offset),this[fb]()}}hb=pb,ub=Ab,db=bb;
    859. 

  859. /* @license
    860. 

  860.  * Copyright 2020 Google LLC. All Rights Reserved.
    861. 

  861.  * Licensed under the Apache License, Version 2.0 (the 'License');
    862. 

  862.  * you may not use this file except in compliance with the License.
    863. 

  863.  * You may obtain a copy of the License at
    864. 

  864.  *
    865. 

  865.  *     http://www.apache.org/licenses/LICENSE-2.0
    866. 

  866.  *
    867. 

  867.  * Unless required by applicable law or agreed to in writing, software
    868. 

  868.  * distributed under the License is distributed on an 'AS IS' BASIS,
    869. 

  869.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    870. 

  870.  * See the License for the specific language governing permissions and
    871. 

  871.  * limitations under the License.
    872. 

  872.  */
    873. 

  873. const _b=Symbol("threeMaterial"),Eb=Symbol("threeMaterials"),xb=Symbol("baseColorTexture"),Sb=Symbol("metallicRoughnessTexture");class Cb extends Qf{get[Eb](){return this[Ff]}get[_b](){var e;return null===(e=this[Ff])||void 0===e?void 0:e.values().next().value}constructor(e,t){super(e,t);const{map:i,metalnessMap:n}=t.values().next().value;this[xb]=new yb(e,vb.Base,i,t),this[Sb]=new yb(e,vb.MetallicRoughness,n,t)}get baseColorFactor(){const e=[0,0,0,this[_b].opacity];return this[_b].color.toArray(e),e}get metallicFactor(){return this[_b].metalness}get roughnessFactor(){return this[_b].roughness}get baseColorTexture(){return this[xb]}get metallicRoughnessTexture(){return this[Sb]}setBaseColorFactor(e){const t=new Xn;e instanceof Array?t.fromArray(e):t.set(e);for(const i of this[Eb])i.color.set(t),e instanceof Array&&e.length>3?i.opacity=e[3]:(e=[0,0,0,i.opacity],t.toArray(e));this[Nf]()}setMetallicFactor(e){for(const t of this[Eb])t.metalness=e;this[Nf]()}setRoughnessFactor(e){for(const t of this[Eb])t.roughness=e;this[Nf]()}}
    874. 

  874. /* @license
    875. 

  875.  * Copyright 2020 Google LLC. All Rights Reserved.
    876. 

  876.  * Licensed under the Apache License, Version 2.0 (the 'License');
    877. 

  877.  * you may not use this file except in compliance with the License.
    878. 

  878.  * You may obtain a copy of the License at
    879. 

  879.  *
    880. 

  880.  *     http://www.apache.org/licenses/LICENSE-2.0
    881. 

  881.  *
    882. 

  882.  * Unless required by applicable law or agreed to in writing, software
    883. 

  883.  * distributed under the License is distributed on an 'AS IS' BASIS,
    884. 

  884.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    885. 

  885.  * See the License for the specific language governing permissions and
    886. 

  886.  * limitations under the License.
    887. 

  887.  */var wb,Ib;const Mb=Symbol("pbrMetallicRoughness"),Tb=Symbol("normalTexture"),Bb=Symbol("occlusionTexture"),Rb=Symbol("emissiveTexture"),Db=Symbol("backingThreeMaterial"),Lb=Symbol("applyAlphaCutoff"),Ub=Symbol("getAlphaMode"),Pb=Symbol("lazyLoadGLTFInfo"),Fb=Symbol("initialize"),Nb=Symbol("getLoadedMaterial"),Qb=Symbol("ensureMaterialIsLoaded"),kb=Symbol("gltfIndex"),Ob=Symbol("setActive"),Gb=Symbol("variantIndices"),Hb=Symbol("isActive"),zb=Symbol("modelVariants"),Vb=Symbol("name"),Wb=Symbol("pbrTextures");class qb extends Qf{get[(wb=Gb,Ib=Wb,Db)](){return this[Ff].values().next().value}constructor(e,t,i,n,r,s,a=void 0){super(e,r),this[wb]=new Set,this[Ib]=new Map,this[kb]=t,this[Hb]=i,this[zb]=n,this[Vb]=s,null==a?this[Fb]():this[Pb]=a}[Fb](){const e=this[Nf],t=this[Ff];this[Mb]=new Cb(e,t);const{normalMap:i,aoMap:n,emissiveMap:r}=t.values().next().value;this[Tb]=new yb(e,vb.Normal,i,t),this[Bb]=new yb(e,vb.Occlusion,n,t),this[Rb]=new yb(e,vb.Emissive,r,t);const s=i=>{this[Wb].set(i,new yb(e,i,null,t))};s(vb.Clearcoat),s(vb.ClearcoatRoughness),s(vb.ClearcoatNormal),s(vb.SheenColor),s(vb.SheenRoughness),s(vb.Transmission),s(vb.Thickness),s(vb.Specular),s(vb.SpecularColor),s(vb.Iridescence),s(vb.IridescenceThickness),s(vb.Anisotropy)}async[Nb](){if(null!=this[Pb]){const e=await this[Pb].doLazyLoad();return this[Fb](),this[Pb]=void 0,this.ensureLoaded=async()=>{},e}return null}colorFromRgb(e){const t=new Xn;return e instanceof Array?t.fromArray(e):t.set(e),t}[Qb](){if(null!=this[Pb])throw new Error(`Material "${this.name}" has not been loaded, call 'await\n    myMaterial.ensureLoaded()' before using an unloaded material.`)}async ensureLoaded(){await this[Nb]()}get isLoaded(){return null==this[Pb]}get isActive(){return this[Hb]}[Ob](e){this[Hb]=e}get name(){return this[Vb]||""}set name(e){if(this[Vb]=e,null!=this[Ff])for(const t of this[Ff])t.name=e}get pbrMetallicRoughness(){return this[Qb](),this[Mb]}get normalTexture(){return this[Qb](),this[Tb]}get occlusionTexture(){return this[Qb](),this[Bb]}get emissiveTexture(){return this[Qb](),this[Rb]}get emissiveFactor(){return this[Qb](),this[Db].emissive.toArray()}get index(){return this[kb]}hasVariant(e){const t=this[zb].get(e);return null!=t&&this[Gb].has(t.index)}setEmissiveFactor(e){this[Qb]();const t=this.colorFromRgb(e);for(const e of this[Ff])e.emissive.set(t);this[Nf]()}[Ub](){return this[Db].transparent?"BLEND":this[Db].alphaTest>0?"MASK":"OPAQUE"}[Lb](){this[Qb]();for(const e of this[Ff])"MASK"===this[Ub]()?null==e.alphaTest&&(e.alphaTest=.5):e.alphaTest=void 0,e.needsUpdate=!0}setAlphaCutoff(e){this[Qb]();for(const t of this[Ff])t.alphaTest=e,t.needsUpdate=!0;this[Lb](),this[Nf]()}getAlphaCutoff(){return this[Qb](),this[Db].alphaTest}setDoubleSided(e){this[Qb]();for(const t of this[Ff])t.side=e?2:0,t.needsUpdate=!0;this[Nf]()}getDoubleSided(){return this[Qb](),2==this[Db].side}setAlphaMode(e){this[Qb]();const t=(e,t)=>{e.transparent=t,e.depthWrite=!t};for(const i of this[Ff])t(i,"BLEND"===e),i.alphaTest="MASK"===e?.5:void 0,i.needsUpdate=!0;this[Nf]()}getAlphaMode(){return this[Qb](),this[Ub]()}get emissiveStrength(){return this[Qb](),this[Db].emissiveIntensity}setEmissiveStrength(e){this[Qb]();for(const t of this[Ff])t.emissiveIntensity=e;this[Nf]()}get clearcoatFactor(){return this[Qb](),this[Db].clearcoat}get clearcoatRoughnessFactor(){return this[Qb](),this[Db].clearcoatRoughness}get clearcoatTexture(){return this[Qb](),this[Wb].get(vb.Clearcoat)}get clearcoatRoughnessTexture(){return this[Qb](),this[Wb].get(vb.ClearcoatRoughness)}get clearcoatNormalTexture(){return this[Qb](),this[Wb].get(vb.ClearcoatNormal)}get clearcoatNormalScale(){return this[Qb](),this[Db].clearcoatNormalScale.x}setClearcoatFactor(e){this[Qb]();for(const t of this[Ff])t.clearcoat=e;this[Nf]()}setClearcoatRoughnessFactor(e){this[Qb]();for(const t of this[Ff])t.clearcoatRoughness=e;this[Nf]()}setClearcoatNormalScale(e){this[Qb]();for(const t of this[Ff])t.clearcoatNormalScale=new $t(e,e);this[Nf]()}get ior(){return this[Qb](),this[Db].ior}setIor(e){this[Qb]();for(const t of this[Ff])t.ior=e;this[Nf]()}get sheenColorFactor(){return this[Qb](),this[Db].sheenColor.toArray()}get sheenColorTexture(){return this[Qb](),this[Wb].get(vb.SheenColor)}get sheenRoughnessFactor(){return this[Qb](),this[Db].sheenRoughness}get sheenRoughnessTexture(){return this[Qb](),this[Wb].get(vb.SheenRoughness)}setSheenColorFactor(e){this[Qb]();const t=this.colorFromRgb(e);for(const e of this[Ff])e.sheenColor.set(t),e.sheen=1;this[Nf]()}setSheenRoughnessFactor(e){this[Qb]();for(const t of this[Ff])t.sheenRoughness=e,t.sheen=1;this[Nf]()}get transmissionFactor(){return this[Qb](),this[Db].transmission}get transmissionTexture(){return this[Qb](),this[Wb].get(vb.Transmission)}setTransmissionFactor(e){this[Qb]();for(const t of this[Ff])t.transmission=e;this[Nf]()}get thicknessFactor(){return this[Qb](),this[Db].thickness}get thicknessTexture(){return this[Qb](),this[Wb].get(vb.Thickness)}get attenuationDistance(){return this[Qb](),this[Db].attenuationDistance}get attenuationColor(){return this[Qb](),this[Db].attenuationColor.toArray()}setThicknessFactor(e){this[Qb]();for(const t of this[Ff])t.thickness=e;this[Nf]()}setAttenuationDistance(e){this[Qb]();for(const t of this[Ff])t.attenuationDistance=e;this[Nf]()}setAttenuationColor(e){this[Qb]();const t=this.colorFromRgb(e);for(const e of this[Ff])e.attenuationColor.set(t);this[Nf]()}get specularFactor(){return this[Qb](),this[Db].specularIntensity}get specularTexture(){return this[Qb](),this[Wb].get(vb.Specular)}get specularColorFactor(){return this[Qb](),this[Db].specularColor.toArray()}get specularColorTexture(){return this[Qb](),this[Wb].get(vb.SheenColor)}setSpecularFactor(e){this[Qb]();for(const t of this[Ff])t.specularIntensity=e;this[Nf]()}setSpecularColorFactor(e){this[Qb]();const t=this.colorFromRgb(e);for(const e of this[Ff])e.specularColor.set(t);this[Nf]()}get iridescenceFactor(){return this[Qb](),this[Db].iridescence}get iridescenceTexture(){return this[Qb](),this[Wb].get(vb.Iridescence)}get iridescenceIor(){return this[Qb](),this[Db].iridescenceIOR}get iridescenceThicknessMinimum(){return this[Qb](),this[Db].iridescenceThicknessRange[0]}get iridescenceThicknessMaximum(){return this[Qb](),this[Db].iridescenceThicknessRange[1]}get iridescenceThicknessTexture(){return this[Qb](),this[Wb].get(vb.IridescenceThickness)}setIridescenceFactor(e){this[Qb]();for(const t of this[Ff])t.iridescence=e;this[Nf]()}setIridescenceIor(e){this[Qb]();for(const t of this[Ff])t.iridescenceIOR=e;this[Nf]()}setIridescenceThicknessMinimum(e){this[Qb]();for(const t of this[Ff])t.iridescenceThicknessRange[0]=e;this[Nf]()}setIridescenceThicknessMaximum(e){this[Qb]();for(const t of this[Ff])t.iridescenceThicknessRange[1]=e;this[Nf]()}get anisotropyStrength(){return this[Qb](),this[Db].anisotropy}get anisotropyRotation(){return this[Qb](),this[Db].anisotropyRotation}get anisotropyTexture(){return this[Qb](),this[Wb].get(vb.Anisotropy)}setAnisotropyStrength(e){this[Qb]();for(const t of this[Ff])t.anisotropy=e;this[Nf]()}setAnisotropyRotation(e){this[Qb]();for(const t of this[Ff])t.anisotropyRotation=e;this[Nf]()}}let jb=class{constructor(e){this.name="",this.children=new Array,this.name=e}};class Xb extends jb{constructor(e,t,i,n){super(e.name),this.materials=new Map,this.variantToMaterialMap=new Map,this.initialMaterialIdx=0,this.activeMaterialIdx=0,this.mesh=e;const{gltf:r,threeGLTF:s,threeObjectMap:a}=n;this.parser=s.parser,this.modelVariants=i,this.mesh.userData.variantData=i;const o=a.get(e.material);null!=o.materials?this.initialMaterialIdx=this.activeMaterialIdx=o.materials:console.error(`Primitive (${e.name}) missing initial material reference.`);const l=e.userData.associations||{};if(null==l.meshes)return void console.error("Mesh is missing primitive index association");const c=((r.meshes||[])[l.meshes].primitives||[])[l.primitives];if(null!=c){if(null!=c.material)this.materials.set(c.material,t[c.material]);else{const e=t.findIndex((e=>"Default"===e.name));e>=0?this.materials.set(e,t[e]):console.warn("gltfPrimitive has no material!")}if(c.extensions&&c.extensions.KHR_materials_variants){const e=c.extensions.KHR_materials_variants,n=s.parser.json.extensions.KHR_materials_variants.variants;for(const r of e.mappings){const e=t[r.material];this.materials.set(r.material,e);for(const t of r.variants){const{name:r}=n[t];this.variantToMaterialMap.set(t,e),e[Gb].add(t),i.has(r)||i.set(r,{name:r,index:t})}}}}else console.error("Mesh primitive definition is missing.")}async setActiveMaterial(e){const t=this.materials.get(e);if(e!==this.activeMaterialIdx){const i=t[Ff],n=await t[Nb]();this.mesh.material=null!=n?n:i.values().next().value,this.parser.assignFinalMaterial(this.mesh),i.add(this.mesh.material),this.activeMaterialIdx=e}return this.mesh.material}getActiveMaterial(){return this.materials.get(this.activeMaterialIdx)}getMaterial(e){return this.materials.get(e)}async enableVariant(e){if(null==e)return this.setActiveMaterial(this.initialMaterialIdx);if(null!=this.variantToMaterialMap&&this.modelVariants.has(e)){const t=this.modelVariants.get(e);return this.enableVariantHelper(t.index)}return null}async enableVariantHelper(e){if(null!=this.variantToMaterialMap&&null!=e){const t=this.variantToMaterialMap.get(e);if(null!=t)return this.setActiveMaterial(t.index)}return null}async instantiateVariants(){if(null!=this.variantToMaterialMap)for(const e of this.variantToMaterialMap.keys()){const t=this.mesh.userData.variantMaterials.get(e);if(null!=t.material)continue;const i=await this.enableVariantHelper(e);null!=i&&(t.material=i)}}get variantInfo(){return this.variantToMaterialMap}addVariant(e,t){if(!this.ensureVariantIsUnused(t))return!1;this.modelVariants.has(t)||this.modelVariants.set(t,{name:t,index:this.modelVariants.size});const i=this.modelVariants.get(t).index;return e[Gb].add(i),this.variantToMaterialMap.set(i,e),this.materials.set(e.index,e),this.updateVariantUserData(i,e),!0}deleteVariant(e){if(this.variantInfo.has(e)){this.variantInfo.delete(e);const t=this.mesh.userData.variantMaterials;null!=t&&t.delete(e)}}updateVariantUserData(e,t){t[Gb].add(e),this.mesh.userData.variantData=this.modelVariants,this.mesh.userData.variantMaterials=this.mesh.userData.variantMaterials||new Map;this.mesh.userData.variantMaterials.set(e,{material:t[Ff].values().next().value,gltfMaterialIndex:t.index})}ensureVariantIsUnused(e){const t=this.modelVariants.get(e);return null==t||!this.variantInfo.has(t.index)||(console.warn(`Primitive cannot add variant '${e}' for this material, it already exists.`),!1)}}
    888. 

  888. /* @license
    889. 

  889.  * Copyright 2020 Google LLC. All Rights Reserved.
    890. 

  890.  * Licensed under the Apache License, Version 2.0 (the 'License');
    891. 

  891.  * you may not use this file except in compliance with the License.
    892. 

  892.  * You may obtain a copy of the License at
    893. 

  893.  *
    894. 

  894.  *     http://www.apache.org/licenses/LICENSE-2.0
    895. 

  895.  *
    896. 

  896.  * Unless required by applicable law or agreed to in writing, software
    897. 

  897.  * distributed under the License is distributed on an 'AS IS' BASIS,
    898. 

  898.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    899. 

  899.  * See the License for the specific language governing permissions and
    900. 

  900.  * limitations under the License.
    901. 

  901.  */var Yb,Kb,Jb,$b,Zb,ev;const tv=Symbol("materials"),iv=Symbol("hierarchy"),nv=Symbol("roots"),rv=Symbol("primitives"),sv=Symbol("prepareVariantsForExport"),av=Symbol("switchVariant"),ov=Symbol("materialFromPoint"),lv=Symbol("nodeFromPoint"),cv=Symbol("nodeFromIndex"),hv=Symbol("variantData"),uv=Symbol("availableVariants"),dv=Symbol("modelOnUpdate"),pv=Symbol("cloneMaterial");class Av{constructor(e,t,i,n){this.gltf=e,this.gltfElementMap=t,this.mapKey=i,this.doLazyLoad=n}}class mv{constructor(e,t=()=>{}){this[Yb]=new Array,this[Kb]=new Array,this[Jb]=new Array,this[$b]=new Array,this[Zb]=()=>{},this[ev]=new Map,this[dv]=t;const{gltf:i,threeGLTF:n,gltfElementMap:r}=e;for(const[e,s]of i.materials.entries()){const a=r.get(s);if(null!=a)this[tv].push(new qb(t,e,!0,this[hv],a,s.name));else{const a=(i.materials||[])[e],o=new Set;r.set(a,o);const l=async()=>{const t=await n.parser.getDependency("material",e);return o.add(t),t};this[tv].push(new qb(t,e,!1,this[hv],o,s.name,new Av(i,r,a,l)))}}const s=new Map,a=new Array;for(const e of n.scene.children)a.push(e);for(;a.length>0;){const t=a.pop();let i=null;t instanceof Mr?(i=new Xb(t,this.materials,this[hv],e),this[rv].push(i)):i=new jb(t.name);const n=s.get(t);null!=n?n.children.push(i):this[nv].push(i),this[iv].push(i);for(const e of t.children)a.push(e),s.set(t,i)}}get materials(){return this[tv]}[(Yb=tv,Kb=iv,Jb=nv,$b=rv,Zb=dv,ev=hv,uv)](){const e=Array.from(this[hv].values());return e.sort(((e,t)=>e.index-t.index)),e.map((e=>e.name))}getMaterialByName(e){const t=this[tv].filter((t=>t.name===e));return t.length>0?t[0]:null}[cv](e,t){const i=this[iv].find((i=>{if(i instanceof Xb){const{meshes:n,primitives:r}=i.mesh.userData.associations;if(n==e&&r==t)return!0}return!1}));return null==i?null:i}[lv](e){return this[iv].find((t=>{if(t instanceof Xb){if(t.mesh===e.object)return!0}return!1}))}[ov](e){return this[lv](e).getActiveMaterial()}async[av](e){for(const t of this[rv])await t.enableVariant(e);for(const e of this.materials)e[Ob](!1);for(const e of this[rv])this.materials[e.getActiveMaterial().index][Ob](!0)}async[sv](){const e=new Array;for(const t of this[rv])e.push(t.instantiateVariants());await Promise.all(e)}[pv](e,t){const i=this.materials[e];i.isLoaded||console.error("Cloning an unloaded material,\n           call 'material.ensureLoaded() before cloning the material.");const n=i[Ff],r=new Set;for(const[e,i]of n.entries()){const s=i.clone();s.name=t+(n.size>1?"_inst"+e:""),r.add(s)}const s=new qb(this[dv],this[tv].length,!1,this[hv],r,t);return this[tv].push(s),s}createMaterialInstanceForVariant(e,t,i,n=!0){let r=null;for(const n of this[rv]){const s=this[hv].get(i);null!=s&&n.variantInfo.has(s.index)||null!=n.getMaterial(e)&&(this.hasVariant(i)||this.createVariant(i),null==r&&(r=this[pv](e,t)),n.addVariant(r,i))}if(n&&null!=r){r[Ob](!0),this.materials[e][Ob](!1);for(const e of this[rv])e.enableVariant(i)}return r}createVariant(e){this[hv].has(e)?console.warn(`Variant '${e}'' already exists`):this[hv].set(e,{name:e,index:this[hv].size})}hasVariant(e){return this[hv].has(e)}setMaterialToVariant(e,t){if(null!=this[uv]().find((e=>e===t)))if(e<0||e>=this.materials.length)console.error("setMaterialToVariant(): materialIndex is out of bounds.");else for(const i of this[rv]){const n=i.getMaterial(e);null!=n&&i.addVariant(n,t)}else console.warn(`Can't add material to '${t}', the variant does not exist.'`)}updateVariantName(e,t){const i=this[hv].get(e);null!=i&&(i.name=t,this[hv].set(t,i),this[hv].delete(e))}deleteVariant(e){const t=this[hv].get(e);if(null!=t){for(const i of this.materials)i.hasVariant(e)&&i[Gb].delete(t.index);for(const e of this[rv])e.deleteVariant(t.index);this[hv].delete(e)}}}
    902. 

  902. /* @license
    903. 

  903.  * Copyright 2020 Google LLC. All Rights Reserved.
    904. 

  904.  * Licensed under the Apache License, Version 2.0 (the 'License');
    905. 

  905.  * you may not use this file except in compliance with the License.
    906. 

  906.  * You may obtain a copy of the License at
    907. 

  907.  *
    908. 

  908.  *     http://www.apache.org/licenses/LICENSE-2.0
    909. 

  909.  *
    910. 

  910.  * Unless required by applicable law or agreed to in writing, software
    911. 

  911.  * distributed under the License is distributed on an 'AS IS' BASIS,
    912. 

  912.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    913. 

  913.  * See the License for the specific language governing permissions and
    914. 

  914.  * limitations under the License.
    915. 

  915.  */var gv=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const fv=Symbol("currentGLTF"),bv=Symbol("originalGltfJson"),vv=Symbol("model"),yv=Symbol("getOnUpdateMethod"),_v=Symbol("buildTexture");
    916. 

  916. /* @license
    917. 

  917.  * Copyright 2023 Google LLC. All Rights Reserved.
    918. 

  918.  * Licensed under the Apache License, Version 2.0 (the 'License');
    919. 

  919.  * you may not use this file except in compliance with the License.
    920. 

  920.  * You may obtain a copy of the License at
    921. 

  921.  *
    922. 

  922.  *     http://www.apache.org/licenses/LICENSE-2.0
    923. 

  923.  *
    924. 

  924.  * Unless required by applicable law or agreed to in writing, software
    925. 

  925.  * distributed under the License is distributed on an 'AS IS' BASIS,
    926. 

  926.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    927. 

  927.  * See the License for the specific language governing permissions and
    928. 

  928.  * limitations under the License.
    929. 

  929.  */
    930. 

  930. class Ev extends Mr{constructor(){super(void 0,new $n({depthWrite:!1})),this.height=0,this.radius=0,this.resolution=0,this.userData.noHit=!0}get map(){return this.material.map}set map(e){this.material.map=e}isUsable(){return this.height>0&&this.radius>0&&null!=this.geometry&&null!=this.map}updateGeometry(e=this.height,t=this.radius,i=128){e==this.height&&t==this.radius&&i==this.resolution||(this.height=e,this.radius=t,this.resolution=i,e>0&&t>0&&(this.geometry.dispose(),this.geometry=function(e,t,i){const n=new na(t,2*i,i);n.scale(1,1,-1);const r=n.getAttribute("position"),s=new Ci;for(let t=0;t<r.count;++t)if(s.fromBufferAttribute(r,t),s.y<0){const i=3*-e/2,n=s.y<i?-e/s.y:1-s.y*s.y/(3*i*i);s.multiplyScalar(n),s.toArray(r.array,3*t)}return r.needsUpdate=!0,n}
    931. 

  931. /* @license
    932. 

  932.  * Copyright 2020 Google LLC. All Rights Reserved.
    933. 

  933.  * Licensed under the Apache License, Version 2.0 (the 'License');
    934. 

  934.  * you may not use this file except in compliance with the License.
    935. 

  935.  * You may obtain a copy of the License at
    936. 

  936.  *
    937. 

  937.  *     http://www.apache.org/licenses/LICENSE-2.0
    938. 

  938.  *
    939. 

  939.  * Unless required by applicable law or agreed to in writing, software
    940. 

  940.  * distributed under the License is distributed on an 'AS IS' BASIS,
    941. 

  941.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    942. 

  942.  * See the License for the specific language governing permissions and
    943. 

  943.  * limitations under the License.
    944. 

  944.  */(e,t,i)))}}const xv=new Ci,Sv=new Ci,Cv=new Ci,wv=new Zt,Iv=new zn,Mv=new Si;class Tv extends fp{constructor(e){super(document.createElement("div")),this.normal=new Ci(0,1,0),this.initialized=!1,this.referenceCount=1,this.pivot=document.createElement("div"),this.slot=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this.slot.name=e.name,this.element.appendChild(this.pivot),this.pivot.appendChild(this.slot),this.updatePosition(e.position),this.updateNormal(e.normal),this.surface=e.surface}get facingCamera(){return!this.element.classList.contains("hide")}show(){this.facingCamera&&this.initialized||this.updateVisibility(!0)}hide(){!this.facingCamera&&this.initialized||this.updateVisibility(!1)}increment(){this.referenceCount++}decrement(){return this.referenceCount>0&&--this.referenceCount,0===this.referenceCount}updatePosition(e){if(null==e)return;const t=DA(e)[0].terms;for(let e=0;e<3;++e)this.position.setComponent(e,zA(t[e]).number);this.updateMatrixWorld()}updateNormal(e){if(null==e)return;const t=DA(e)[0].terms;for(let e=0;e<3;++e)this.normal.setComponent(e,t[e].number)}updateSurface(){const{mesh:e,tri:t,bary:i}=this;if(null==e||null==t||null==i)return;e.getVertexPosition(t.x,xv),e.getVertexPosition(t.y,Sv),e.getVertexPosition(t.z,Cv),xv.toArray(wv.elements,0),Sv.toArray(wv.elements,3),Cv.toArray(wv.elements,6),this.position.copy(i).applyMatrix3(wv);const n=this.parent;n.worldToLocal(e.localToWorld(this.position)),Iv.set(xv,Sv,Cv),Iv.getNormal(this.normal).transformDirection(e.matrixWorld);const r=n.parent;Mv.setFromAxisAngle(xv.set(0,1,0),-r.rotation.y),this.normal.applyQuaternion(Mv)}orient(e){this.pivot.style.transform=`rotate(${e}rad)`}updateVisibility(e){this.element.classList.toggle("hide",!e),this.slot.assignedNodes().forEach((t=>{if(t.nodeType!==Node.ELEMENT_NODE)return;const i=t,n=i.dataset.visibilityAttribute;if(null!=n){const t=`data-${n}`;i.toggleAttribute(t,e)}i.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:e}}))})),this.initialized=!0}}const Bv={name:"HorizontalBlurShader",uniforms:{tDiffuse:{value:null},h:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float h;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},Rv={name:"VerticalBlurShader",uniforms:{tDiffuse:{value:null},v:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float v;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"};function Dv(e,t,i){return(1-i)*e+i*t}
    945. 

  945. /* @license
    946. 

  946.  * Copyright 2022 Google LLC. All Rights Reserved.
    947. 

  947.  * Licensed under the Apache License, Version 2.0 (the 'License');
    948. 

  948.  * you may not use this file except in compliance with the License.
    949. 

  949.  * You may obtain a copy of the License at
    950. 

  950.  *
    951. 

  951.  *     http://www.apache.org/licenses/LICENSE-2.0
    952. 

  952.  *
    953. 

  953.  * Unless required by applicable law or agreed to in writing, software
    954. 

  954.  * distributed under the License is distributed on an 'AS IS' BASIS,
    955. 

  955.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    956. 

  956.  * See the License for the specific language governing permissions and
    957. 

  957.  * limitations under the License.
    958. 

  958.  */class Lv extends Tn{constructor(e,t,i){super(),this.camera=new Xa,this.renderTarget=null,this.renderTargetBlur=null,this.depthMaterial=new aa,this.horizontalBlurMaterial=new Pr(Bv),this.verticalBlurMaterial=new Pr(Rv),this.intensity=0,this.softness=1,this.boundingBox=new Mi,this.size=new Ci,this.maxDimension=0,this.isAnimated=!1,this.needsUpdate=!1;const{camera:n}=this;n.rotation.x=Math.PI/2,n.left=-.5,n.right=.5,n.bottom=-.5,n.top=.5,this.add(n);const r=new ia,s=new $n({opacity:1,transparent:!0,side:1});this.floor=new Mr(r,s),this.floor.userData.noHit=!0,n.add(this.floor),this.blurPlane=new Mr(r),this.blurPlane.visible=!1,n.add(this.blurPlane),e.target.add(this),this.depthMaterial.onBeforeCompile=function(e){e.fragmentShader=e.fragmentShader.replace("gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );","gl_FragColor = vec4( vec3( 0.0 ), ( 1.0 - fragCoordZ ) * opacity );")},this.depthMaterial.side=2,this.horizontalBlurMaterial.depthTest=!1,this.verticalBlurMaterial.depthTest=!1,this.setScene(e,t,i)}setScene(e,t,i){const{boundingBox:n,size:r,rotation:s,position:a}=this;if(this.isAnimated=e.animationNames.length>0,this.boundingBox.copy(e.boundingBox),this.size.copy(e.size),this.maxDimension=Math.max(r.x,r.y,r.z)*(this.isAnimated?2:1),this.boundingBox.getCenter(a),"back"===i){const{min:e,max:t}=n;[e.y,e.z]=[e.z,e.y],[t.y,t.z]=[t.z,t.y],[r.y,r.z]=[r.z,r.y],s.x=Math.PI/2,s.y=Math.PI}else s.x=0,s.y=0;if(this.isAnimated){const e=n.min.y,t=n.max.y;r.y=this.maxDimension,n.expandByVector(r.subScalar(this.maxDimension).multiplyScalar(-.5)),n.min.y=e,n.max.y=t,r.set(this.maxDimension,t-e,this.maxDimension)}"bottom"===i?a.y=n.min.y:a.z=n.min.y,this.setSoftness(t)}setSoftness(e){this.softness=e;const{size:t,camera:i}=this,n=this.isAnimated?2:1,r=n*Math.pow(2,9-3*e);this.setMapSize(r);const s=t.y/2,a=t.y*n;i.near=0,i.far=Dv(a,s,e),this.depthMaterial.opacity=1/e,i.updateProjectionMatrix(),this.setIntensity(this.intensity),this.setOffset(0)}setMapSize(e){const{size:t}=this;this.isAnimated&&(e*=2);const i=Math.floor(t.x>t.z?e:e*t.x/t.z),n=Math.floor(t.x>t.z?e*t.z/t.x:e),r=10+i,s=10+n;if(null==this.renderTarget||this.renderTarget.width===r&&this.renderTarget.height===s||(this.renderTarget.dispose(),this.renderTarget=null,this.renderTargetBlur.dispose(),this.renderTargetBlur=null),null==this.renderTarget){const e={format:Ie};this.renderTarget=new _i(r,s,e),this.renderTargetBlur=new _i(r,s,e),this.floor.material.map=this.renderTarget.texture}this.camera.scale.set(t.x*(1+10/i),t.z*(1+10/n),1),this.needsUpdate=!0}setIntensity(e){this.intensity=e,e>0?(this.visible=!0,this.floor.visible=!0,this.floor.material.opacity=e*Dv(.3,1,this.softness*this.softness)):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.intensity}setOffset(e){this.floor.position.z=-e+this.gap()}gap(){return.001*this.maxDimension}render(e,t){t.overrideMaterial=this.depthMaterial;const i=e.getClearAlpha();e.setClearAlpha(0),this.floor.visible=!1;const n=e.xr.enabled;e.xr.enabled=!1;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),e.render(t,this.camera),t.overrideMaterial=null,this.floor.visible=!0,this.blurShadow(e),e.xr.enabled=n,e.setRenderTarget(r),e.setClearAlpha(i)}blurShadow(e){const{camera:t,horizontalBlurMaterial:i,verticalBlurMaterial:n,renderTarget:r,renderTargetBlur:s,blurPlane:a}=this;a.visible=!0,a.material=i,i.uniforms.h.value=1/this.renderTarget.width,i.uniforms.tDiffuse.value=this.renderTarget.texture,e.setRenderTarget(s),e.render(a,t),a.material=n,n.uniforms.v.value=1/this.renderTarget.height,n.uniforms.tDiffuse.value=this.renderTargetBlur.texture,e.setRenderTarget(r),e.render(a,t),a.visible=!1}dispose(){null!=this.renderTarget&&this.renderTarget.dispose(),null!=this.renderTargetBlur&&this.renderTargetBlur.dispose(),this.depthMaterial.dispose(),this.horizontalBlurMaterial.dispose(),this.verticalBlurMaterial.dispose(),this.floor.material.dispose(),this.floor.geometry.dispose(),this.blurPlane.geometry.dispose(),this.removeFromParent()}}
    959. 

  959. /* @license
    960. 

  960.  * Copyright 2019 Google LLC. All Rights Reserved.
    961. 

  961.  * Licensed under the Apache License, Version 2.0 (the 'License');
    962. 

  962.  * you may not use this file except in compliance with the License.
    963. 

  963.  * You may obtain a copy of the License at
    964. 

  964.  *
    965. 

  965.  *     http://www.apache.org/licenses/LICENSE-2.0
    966. 

  966.  *
    967. 

  967.  * Unless required by applicable law or agreed to in writing, software
    968. 

  968.  * distributed under the License is distributed on an 'AS IS' BASIS,
    969. 

  969.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    970. 

  970.  * See the License for the specific language governing permissions and
    971. 

  971.  * limitations under the License.
    972. 

  972.  */const Uv=new Ci,Pv=new Ci,Fv=new Ci,Nv=new class{constructor(e,t,i=0,n=1/0){this.ray=new en(e,t),this.near=i,this.far=n,this.camera=null,this.layers=new pn,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,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.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)}setFromXRController(e){return Ao.identity().extractRotation(e.matrixWorld),this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(Ao),this}intersectObject(e,t=!0,i=[]){return go(e,this,i,t),i.sort(mo),i}intersectObjects(e,t=!0,i=[]){for(let n=0,r=e.length;n<r;n++)go(e[n],this,i,t);return i.sort(mo),i}},Qv=new Ci,kv=new $t;class Ov extends Xr{constructor({canvas:e,element:t,width:i,height:n}){super(),this.annotationRenderer=new xp,this.effectRenderer=null,this.schemaElement=document.createElement("script"),this.width=1,this.height=1,this.aspect=1,this.scaleStep=0,this.renderCount=0,this.externalRenderer=null,this.appendedAnimations=[],this.markedAnimations=[],this.camera=new Or(45,1,.1,100),this.xrCamera=null,this.url=null,this.pivot=new Tn,this.target=new Tn,this.animationNames=[],this.boundingBox=new Mi,this.boundingSphere=new qi,this.size=new Ci,this.idealAspect=0,this.framedFoVDeg=0,this.shadow=null,this.shadowIntensity=0,this.shadowSoftness=1,this.bakedShadows=new Set,this.exposure=1,this.toneMapping=7,this.canScale=!0,this.isDirty=!1,this.goalTarget=new Ci,this.targetDamperX=new CA,this.targetDamperY=new CA,this.targetDamperZ=new CA,this._currentGLTF=null,this._model=null,this.cancelPendingSourceChange=null,this.animationsByName=new Map,this.currentAnimationAction=null,this.groundedSkybox=new Ev,this.name="ModelScene",this.element=t,this.canvas=e,this.camera=new Or(45,1,.1,100),this.camera.name="MainCamera",this.add(this.pivot),this.pivot.name="Pivot",this.pivot.add(this.target),this.setSize(i,n),this.target.name="Target",this.mixer=new po(this.target);const{domElement:r}=this.annotationRenderer,{style:s}=r;s.display="none",s.pointerEvents="none",s.position="absolute",s.top="0",this.element.shadowRoot.querySelector(".default").appendChild(r),this.schemaElement.setAttribute("type","application/ld+json")}get context(){return this.canvas.getContext("2d")}getCamera(){return null!=this.xrCamera?this.xrCamera:this.camera}queueRender(){this.isDirty=!0}shouldRender(){return this.isDirty}hasRendered(){this.isDirty=!1}forceRescale(){this.scaleStep=-1,this.queueRender()}async setObject(e){this.reset(),this._model=e,this.target.add(e),await this.setupScene()}async setSource(e,t=()=>{}){if(!e||e===this.url)return void t(1);if(this.reset(),this.url=e,null!=this.externalRenderer){const e=await this.externalRenderer.load(t);return this.boundingSphere.radius=e.framedRadius,void(this.idealAspect=e.fieldOfViewAspect)}let i;null!=this.cancelPendingSourceChange&&(this.cancelPendingSourceChange(),this.cancelPendingSourceChange=null);try{i=await new Promise((async(i,n)=>{this.cancelPendingSourceChange=()=>n();try{i(await this.element[Ry].loader.load(e,this.element,t))}catch(e){n(e)}}))}catch(e){if(null==e)return;throw e}this.cancelPendingSourceChange=null,this.reset(),this.url=e,this._currentGLTF=i,null!=i&&(this._model=i.scene,this.target.add(i.scene));const{animations:n}=i,r=new Map,s=[];for(const e of n)r.set(e.name,e),s.push(e.name);this.animations=n,this.animationsByName=r,this.animationNames=s,await this.setupScene()}async setupScene(){this.applyTransform(),this.updateBoundingBox(),await this.updateFraming(),this.updateShadow(),this.setShadowIntensity(this.shadowIntensity),this.setGroundedSkybox()}reset(){this.url=null,this.renderCount=0,this.queueRender(),null!=this.shadow&&this.shadow.setIntensity(0),this.bakedShadows.clear();const{_model:e}=this;null!=e&&(e.removeFromParent(),this._model=null);const t=this._currentGLTF;null!=t&&(t.dispose(),this._currentGLTF=null),null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}dispose(){this.reset(),null!=this.shadow&&(this.shadow.dispose(),this.shadow=null),this.element[fv]=null,this.element[bv]=null,this.element[vv]=null}get currentGLTF(){return this._currentGLTF}setSize(e,t){if(this.width!==e||this.height!==t){if(this.width=Math.max(e,1),this.height=Math.max(t,1),this.annotationRenderer.setSize(e,t),this.aspect=this.width/this.height,null!=this.externalRenderer){const i=window.devicePixelRatio;this.externalRenderer.resize(e*i,t*i)}this.queueRender()}}markBakedShadow(e){e.userData.noHit=!0,this.bakedShadows.add(e)}unmarkBakedShadow(e){e.userData.noHit=!1,e.visible=!0,this.bakedShadows.delete(e),this.boundingBox.expandByObject(e)}findBakedShadows(e){const t=new Mi;e.traverse((e=>{const i=e;if(!i.material)return;if(!i.material.transparent)return;t.setFromObject(i);const n=t.getSize(Qv),r=Math.min(n.x,n.y,n.z);Math.max(n.x,n.y,n.z)<100*r||this.markBakedShadow(i)}))}checkBakedShadows(){const{min:e,max:t}=this.boundingBox,i=new Mi;this.boundingBox.getSize(this.size);for(const n of this.bakedShadows)i.setFromObject(n),i.min.y<e.y+this.size.y/100&&i.min.x<=e.x&&i.max.x>=t.x&&i.min.z<=e.z&&i.max.z>=t.z||i.min.z<e.z+this.size.z/100&&i.min.x<=e.x&&i.max.x>=t.x&&i.min.y<=e.y&&i.max.y>=t.y||this.unmarkBakedShadow(n)}applyTransform(){const{model:e}=this;if(null==e)return;const t=DA(this.element.orientation)[0].terms,i=zA(t[0]).number,n=zA(t[1]).number,r=zA(t[2]).number;e.quaternion.setFromEuler(new dn(n,r,i,"YXZ"));const s=DA(this.element.scale)[0].terms;e.scale.set(s[0].number,s[1].number,s[2].number)}updateBoundingBox(){const{model:e}=this;if(null==e)return;this.target.remove(e),this.findBakedShadows(e);const t=(e,t)=>e.expandByPoint(t);this.setBakedShadowVisibility(!1),this.boundingBox=Sp(e,t,new Mi),this.boundingBox.isEmpty()&&(this.setBakedShadowVisibility(!0),this.bakedShadows.forEach((e=>this.unmarkBakedShadow(e))),this.boundingBox=Sp(e,t,new Mi)),this.checkBakedShadows(),this.setBakedShadowVisibility(),this.boundingBox.getSize(this.size),this.target.add(e)}async updateFraming(){const{model:e}=this;if(null==e)return;this.target.remove(e),this.setBakedShadowVisibility(!1);const{center:t}=this.boundingSphere;this.element.requestUpdate("cameraTarget"),await this.element.updateComplete,t.copy(this.getTarget());this.boundingSphere.radius=Math.sqrt(Sp(e,((e,i)=>Math.max(e,t.distanceToSquared(i))),0));this.idealAspect=Sp(e,((e,i)=>{i.sub(t);const n=Math.sqrt(i.x*i.x+i.z*i.z);return Math.max(e,n/(this.idealCameraDistance()-Math.abs(i.y)))}),0)/Math.tan(this.framedFoVDeg/2*Math.PI/180),this.setBakedShadowVisibility(),this.target.add(e)}setBakedShadowVisibility(e=this.shadowIntensity<=0){for(const t of this.bakedShadows)t.visible=e}idealCameraDistance(){const e=this.framedFoVDeg/2*Math.PI/180;return this.boundingSphere.radius/Math.sin(e)}adjustedFoV(e){const t=Math.tan(e/2*Math.PI/180)*Math.max(1,this.idealAspect/this.aspect);return 2*Math.atan(t)*180/Math.PI}getNDC(e,t){if(null!=this.xrCamera)kv.set(e/window.screen.width,t/window.screen.height);else{const i=this.element.getBoundingClientRect();kv.set((e-i.x)/this.width,(t-i.y)/this.height)}return kv.multiplyScalar(2).subScalar(1),kv.y*=-1,kv}getSize(){return{width:this.width,height:this.height}}setEnvironmentAndSkybox(e,t){this.element[Ry].arRenderer.presentedScene!==this&&(this.environment=e,this.setBackground(t),this.queueRender())}setBackground(e){this.groundedSkybox.map=e,this.groundedSkybox.isUsable()?(this.target.add(this.groundedSkybox),this.background=null):(this.target.remove(this.groundedSkybox),this.background=e)}farRadius(){return this.boundingSphere.radius*(null!=this.groundedSkybox.parent?10:1)}setGroundedSkybox(){const e=DA(this.element.skyboxHeight)[0].terms[0],t=zA(e).number,i=10*this.boundingSphere.radius;this.groundedSkybox.updateGeometry(t,i),this.groundedSkybox.position.y=t-(this.shadow?2*this.shadow.gap():0),this.setBackground(this.groundedSkybox.map)}setTarget(e,t,i){this.goalTarget.set(-e,-t,-i)}setTargetDamperDecayTime(e){this.targetDamperX.setDecayTime(e),this.targetDamperY.setDecayTime(e),this.targetDamperZ.setDecayTime(e)}getTarget(){return this.goalTarget.clone().multiplyScalar(-1)}getDynamicTarget(){return this.target.position.clone().multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(e){const t=this.goalTarget,i=this.target.position;if(t.equals(i))return!1;{const n=this.boundingSphere.radius/10;let{x:r,y:s,z:a}=i;return r=this.targetDamperX.update(r,t.x,e,n),s=this.targetDamperY.update(s,t.y,e,n),a=this.targetDamperZ.update(a,t.z,e,n),this.groundedSkybox.position.x=-r,this.groundedSkybox.position.z=-a,this.target.position.set(r,s,a),this.target.updateMatrixWorld(),this.queueRender(),!0}}pointTowards(e,t){const{x:i,z:n}=this.position;this.yaw=Math.atan2(e-i,t-n)}get model(){return this._model}set yaw(e){this.pivot.rotation.y=e,this.groundedSkybox.rotation.y=-e,this.queueRender()}get yaw(){return this.pivot.rotation.y}set animationTime(e){this.mixer.setTime(e),this.queueShadowRender()}get animationTime(){if(null!=this.currentAnimationAction){const e=Math.max(this.currentAnimationAction._loopCount,0);return this.currentAnimationAction.loop!==At||1&~e?this.currentAnimationAction.time:this.duration-this.currentAnimationAction.time}return 0}set animationTimeScale(e){this.mixer.timeScale=e}get animationTimeScale(){return this.mixer.timeScale}get duration(){return null!=this.currentAnimationAction&&this.currentAnimationAction.getClip()?this.currentAnimationAction.getClip().duration:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(e=null,t=0,i=2201,n=1/0){if(null==this._currentGLTF)return;const{animations:r}=this;if(null==r||0===r.length)return;let s=null;if(null!=e&&(s=this.animationsByName.get(e),null==s)){const t=parseInt(e);!isNaN(t)&&t>=0&&t<r.length&&(s=r[t])}null==s&&(s=r[0]);try{const{currentAnimationAction:e}=this,r=this.mixer.clipAction(s,this);r.timeScale!=this.element.timeScale&&(r.timeScale=this.element.timeScale),this.currentAnimationAction=r,this.element.paused?this.mixer.stopAllAction():(r.paused=!1,null!=e&&r!==e?r.crossFadeFrom(e,t,!1):this.animationTimeScale>0&&this.animationTime==this.duration&&(this.animationTime=0)),r.setLoop(i,n),r.enabled=!0,r.clampWhenFinished=!0,r.play()}catch(e){console.error(e)}}appendAnimation(e="",t=2201,i=1/0,n=1,r=1,s=!1,a=!1,o=!0,l=null,c=!1){if(null==this._currentGLTF||e===this.element.animationName)return;const{animations:h}=this;if(null==h||0===h.length)return;let u=null;if(e&&(u=this.animationsByName.get(e)),null!=u){"string"==typeof i?isNaN(i)?(i=1/0,console.warn("Invalid repetitionCount value, repetitionCount is set to Infinity")):i=Math.max(parseInt(i),1):"number"==typeof i&&i<1&&(i=1),1===i&&t!==dt&&(t=dt),"string"==typeof n&&(isNaN(n)?(n=1,console.warn("Invalid weight value, weight is set to 1")):n=parseFloat(n)),"string"==typeof r&&(isNaN(r)?(r=1,console.warn("Invalid timeScale value, timeScale is set to 1")):r=parseFloat(r)),"string"==typeof s&&("true"===s.toLowerCase().trim()?s=!0:"false"===s.toLowerCase().trim()?s=!1:isNaN(s)?(s=!1,console.warn("Invalid fade value, fade is set to false")):s=parseFloat(s)),"string"==typeof a&&("true"===a.toLowerCase().trim()?a=!0:"false"===a.toLowerCase().trim()?a=!1:isNaN(a)?(a=!1,console.warn("Invalid warp value, warp is set to false")):a=parseFloat(a)),"string"==typeof l&&(isNaN(l)||(l=parseFloat(l)));try{const h=this.mixer.existingAction(u)||this.mixer.clipAction(u,this),d=h.timeScale;c&&this.appendedAnimations.includes(e)&&(this.markedAnimations.map((e=>e.name)).includes(e)||this.markedAnimations.push({name:e,loopMode:t,repetitionCount:i})),"number"==typeof l&&(h.time=Math.min(Math.max(l,0),u.duration)),"boolean"==typeof s&&s?h.fadeIn(1.25):"number"==typeof s?h.fadeIn(Math.max(s,0)):n>=0&&(h.weight=Math.min(Math.max(n,0),1)),"boolean"==typeof a&&a?h.warp(o?d:0,r,1.25):"number"==typeof a?h.warp(o?d:0,r,Math.max(a,0)):h.timeScale=r,h.isRunning()||(h.time==u.duration&&h.stop(),h.setLoop(t,i),h.paused=!1,h.enabled=!0,h.clampWhenFinished=!0,h.play()),this.appendedAnimations.includes(e)||this.element[wy].appendedAnimations.push(e)}catch(e){console.error(e)}}}detachAnimation(e="",t=!0){if(null==this._currentGLTF||e===this.element.animationName)return;const{animations:i}=this;if(null==i||0===i.length)return;let n=null;if(e&&(n=this.animationsByName.get(e)),null!=n){"string"==typeof t&&("true"===t.toLowerCase().trim()?t=!0:"false"===t.toLowerCase().trim()?t=!1:isNaN(t)?(t=!0,console.warn("Invalid fade value, fade is set to true")):t=parseFloat(t));try{const i=this.mixer.existingAction(n)||this.mixer.clipAction(n,this);"boolean"==typeof t&&t?i.fadeOut(1.5):"number"==typeof t?i.fadeOut(Math.max(t,0)):i.stop();const r=this.element[wy].appendedAnimations.filter((t=>t!==e));this.element[wy].appendedAnimations=r}catch(e){console.error(e)}}}updateAnimationLoop(e="",t=2201,i=1/0){if(null==this._currentGLTF||e===this.element.animationName)return;const{animations:n}=this;if(null==n||0===n.length)return;let r=null;if(e&&(r=this.animationsByName.get(e)),null!=r)try{const e=this.mixer.existingAction(r)||this.mixer.clipAction(r,this);e.stop(),e.setLoop(t,i),e.play()}catch(e){console.error(e)}}stopAnimation(){this.currentAnimationAction=null,this.mixer.stopAllAction()}updateAnimation(e){this.mixer.update(e),this.queueShadowRender()}subscribeMixerEvent(e,t){this.mixer.addEventListener(e,t)}updateShadow(){const e=this.shadow;if(null!=e){const t="wall"===this.element.arPlacement?"back":"bottom";e.setScene(this,this.shadowSoftness,t),e.needsUpdate=!0}}renderShadow(e){const t=this.shadow;null!=t&&1==t.needsUpdate&&(t.render(e,this),t.needsUpdate=!1)}queueShadowRender(){null!=this.shadow&&(this.shadow.needsUpdate=!0)}setShadowIntensity(e){if(this.shadowIntensity=e,null!=this._currentGLTF&&(this.setBakedShadowVisibility(),!(e<=0&&null==this.shadow))){if(null==this.shadow){const e="wall"===this.element.arPlacement?"back":"bottom";this.shadow=new Lv(this,this.shadowSoftness,e)}this.shadow.setIntensity(e)}}setShadowSoftness(e){this.shadowSoftness=e;const t=this.shadow;null!=t&&t.setSoftness(e)}setShadowOffset(e){const t=this.shadow;null!=t&&t.setOffset(e)}getHit(e=this){return Nv.intersectObject(e,!0).find((e=>e.object.visible&&!e.object.userData.noHit))}hitFromController(e,t=this){return Nv.setFromXRController(e),this.getHit(t)}hitFromPoint(e,t=this){return Nv.setFromCamera(e,this.getCamera()),this.getHit(t)}positionAndNormalFromPoint(e,t=this){var i;const n=this.hitFromPoint(e,t);if(null==n)return null;return{position:n.point,normal:null!=n.face?n.face.normal.clone().applyNormalMatrix((new Zt).getNormalMatrix(n.object.matrixWorld)):Nv.ray.direction.clone().multiplyScalar(-1),uv:null!==(i=n.uv)&&void 0!==i?i:null}}surfaceFromPoint(e,t=this){const i=this.element.model;if(null==i)return null;const n=this.hitFromPoint(e,t);if(null==n||null==n.face)return null;const r=i[lv](n),{meshes:s,primitives:a}=r.mesh.userData.associations,o=new Ci,l=new Ci,c=new Ci,{a:h,b:u,c:d}=n.face,p=n.object;p.getVertexPosition(h,o),p.getVertexPosition(u,l),p.getVertexPosition(d,c);const A=new zn(o,l,c),m=new Ci;return A.getBarycoord(p.worldToLocal(n.point),m),`${s} ${a} ${h} ${u} ${d} ${m.x.toFixed(3)} ${m.y.toFixed(3)} ${m.z.toFixed(3)}`}addHotspot(e){this.target.add(e),this.annotationRenderer.domElement.appendChild(e.element),this.updateSurfaceHotspot(e)}removeHotspot(e){this.target.remove(e)}forHotspots(e){const{children:t}=this.target;for(let i=0,n=t.length;i<n;i++){const n=t[i];n instanceof Tv&&e(n)}}updateSurfaceHotspot(e){if(null==e.surface||null==this.element.model)return;const t=DA(e.surface)[0].terms;if(8!=t.length)return void console.warn(e.surface+" does not have exactly 8 numbers.");const i=this.element.model[cv](t[0].number,t[1].number);if(null==i)return void console.warn(e.surface+" does not match a node/primitive in this glTF! Skipping this hotspot.");const n=i.mesh.geometry.attributes.position.count,r=new Ci(t[2].number,t[3].number,t[4].number);if(r.x>=n||r.y>=n||r.z>=n)return void console.warn(e.surface+" vertex indices out of range in this glTF! Skipping this hotspot.");const s=new Ci(t[5].number,t[6].number,t[7].number);e.mesh=i.mesh,e.tri=r,e.bary=s,e.updateSurface()}animateSurfaceHotspots(){this.element.paused||this.forHotspots((e=>{e.updateSurface()}))}updateHotspotsVisibility(e){this.forHotspots((t=>{Uv.copy(e),Pv.setFromMatrixPosition(t.matrixWorld),Uv.sub(Pv),Fv.copy(t.normal).transformDirection(this.target.matrixWorld),Uv.dot(Fv)<0?t.hide():t.show()}))}orientHotspots(e){this.forHotspots((t=>{t.orient(e)}))}setHotspotsVisibility(e){this.forHotspots((t=>{t.visible=e}))}updateSchema(e){var t;const{schemaElement:i,element:n}=this,{alt:r,poster:s,iosSrc:a}=n;if(null!=e){const n=[{"@type":"MediaObject",contentUrl:e,encodingFormat:"gltf"===(null===(t=e.split(".").pop())||void 0===t?void 0:t.toLowerCase())?"model/gltf+json":"model/gltf-binary"}];a&&n.push({"@type":"MediaObject",contentUrl:a,encodingFormat:"model/vnd.usdz+zip"});const o={"@context":"http://schema.org/","@type":"3DModel",image:null!=s?s:void 0,name:null!=r?r:void 0,encoding:n};i.textContent=JSON.stringify(o),document.head.appendChild(i)}else null!=i.parentElement&&i.parentElement.removeChild(i)}}
    973. 

  973. /* @license
    974. 

  974.  * Copyright 2019 Google LLC. All Rights Reserved.
    975. 

  975.  * Licensed under the Apache License, Version 2.0 (the 'License');
    976. 

  976.  * you may not use this file except in compliance with the License.
    977. 

  977.  * You may obtain a copy of the License at
    978. 

  978.  *
    979. 

  979.  *     http://www.apache.org/licenses/LICENSE-2.0
    980. 

  980.  *
    981. 

  981.  * Unless required by applicable law or agreed to in writing, software
    982. 

  982.  * distributed under the License is distributed on an 'AS IS' BASIS,
    983. 

  983.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    984. 

  984.  * See the License for the specific language governing permissions and
    985. 

  985.  * limitations under the License.
    986. 

  986.  */class Gv extends EventTarget{constructor(){super(...arguments),this.ongoingActivities=new Set,this.totalProgress=0}get ongoingActivityCount(){return this.ongoingActivities.size}beginActivity(e){const t={progress:0,completed:!1};return this.ongoingActivities.add(t),1===this.ongoingActivityCount&&this.announceTotalProgress(t,0,e),i=>{let n;return n=Math.max(nu(i,0,1),t.progress),n!==t.progress&&this.announceTotalProgress(t,n,e),t.progress}}announceTotalProgress(e,t,i){let n=0,r=0;1==t&&(e.completed=!0);for(const e of this.ongoingActivities){const{progress:t}=e;n+=1-t,e.completed&&r++}const s=e.progress;e.progress=t,this.totalProgress+=(t-s)*(1-this.totalProgress)/n;const a=r===this.ongoingActivityCount?1:this.totalProgress;this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:a,reason:i}})),r===this.ongoingActivityCount&&(this.totalProgress=0,this.ongoingActivities.clear())}}
    987. 

  987. /* @license
    988. 

  988.  * Copyright 2019 Google LLC. All Rights Reserved.
    989. 

  989.  * Licensed under the Apache License, Version 2.0 (the 'License');
    990. 

  990.  * you may not use this file except in compliance with the License.
    991. 

  991.  * You may obtain a copy of the License at
    992. 

  992.  *
    993. 

  993.  *     http://www.apache.org/licenses/LICENSE-2.0
    994. 

  994.  *
    995. 

  995.  * Unless required by applicable law or agreed to in writing, software
    996. 

  996.  * distributed under the License is distributed on an 'AS IS' BASIS,
    997. 

  997.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    998. 

  998.  * See the License for the specific language governing permissions and
    999. 

  999.  * limitations under the License.
    1000. 

  1000.  */var Hv,zv,Vv,Wv,qv,jv,Xv,Yv,Kv,Jv,$v,Zv,ey,ty=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const iy=document.createElement("canvas"),ny=Symbol("fallbackResizeHandler"),ry=Symbol("defaultAriaLabel"),sy=Symbol("resizeObserver"),ay=Symbol("clearModelTimeout"),oy=Symbol("onContextLost"),ly=Symbol("loaded"),cy=Symbol("status"),hy=Symbol("onFocus"),uy=Symbol("onBlur"),dy=Symbol("updateSize"),py=Symbol("intersectionObserver"),Ay=Symbol("isElementInViewport"),my=Symbol("announceModelVisibility"),gy=Symbol("ariaLabel"),fy=Symbol("altDefaulted"),by=Symbol("statusElement"),vy=Symbol("updateStatus"),yy=Symbol("loadedTime"),_y=Symbol("updateSource"),Ey=Symbol("markLoaded"),xy=Symbol("container"),Sy=Symbol("input"),Cy=Symbol("canvas"),wy=Symbol("scene"),Iy=Symbol("needsRender"),My=Symbol("tick"),Ty=Symbol("onModelLoad"),By=Symbol("onResize"),Ry=Symbol("renderer"),Dy=Symbol("progressTracker"),Ly=Symbol("getLoaded"),Uy=Symbol("getModelIsVisible"),Py=Symbol("shouldAttemptPreload"),Fy=e=>({x:e.x,y:e.y,z:e.z,toString(){return`${this.x}m ${this.y}m ${this.z}m`}}),Ny=e=>({u:e.x,v:e.y,toString(){return`${this.u} ${this.v}`}});class Qy extends y{static get is(){return"model-viewer"}static set modelCacheSize(e){gp[Ap].evictionThreshold=e}static get modelCacheSize(){return gp[Ap].evictionThreshold}static set minimumRenderScale(e){e>1&&console.warn("<model-viewer> minimumRenderScale has been clamped to a maximum value of 1."),e<=0&&console.warn("<model-viewer> minimumRenderScale has been clamped to a minimum value of 0.25."),Pf.singleton.minScale=e}static get minimumRenderScale(){return Pf.singleton.minScale}get loaded(){return this[Ly]()}get[(Hv=Ay,zv=ly,Vv=yy,Wv=cy,qv=ay,jv=ny,Xv=my,Yv=sy,Kv=py,Jv=Dy,Ry)](){return Pf.singleton}get modelIsVisible(){return this[Uy]()}constructor(){super(),this.alt=null,this.src=null,this.withCredentials=!1,this.generateSchema=!1,this[Hv]=!1,this[zv]=!1,this[Vv]=0,this[Wv]="",this[qv]=null,this[jv]=iu((()=>{const e=this.getBoundingClientRect();this[dy](e)}),50),this[Xv]=iu((e=>{const t=this.modelIsVisible;t!==e&&this.dispatchEvent(new CustomEvent("model-visibility",{detail:{visible:t}}))}),0),this[Yv]=null,this[Kv]=null,this[Jv]=new Gv,this[$v]=()=>{this[by].textContent=this[cy]},this[Zv]=()=>{this[by].textContent=""},this[ey]=e=>{this.dispatchEvent(new CustomEvent("error",{detail:{type:"webglcontextlost",sourceError:e.sourceEvent}}))},this.attachShadow({mode:"open"});const e=this.shadowRoot;let t,i;if((e=>{Qh(hu,e)})(e),this[xy]=e.querySelector(".container"),this[Sy]=e.querySelector(".userInput"),this[Cy]=e.querySelector("canvas"),this[by]=e.querySelector("#status"),this[ry]=this[Sy].getAttribute("aria-label"),this.isConnected){const e=this.getBoundingClientRect();t=e.width,i=e.height}else t=300,i=150;this[wy]=new Ov({canvas:this[Cy],element:this,width:t,height:i}),Promise.resolve().then((()=>{this[dy](this.getBoundingClientRect())})),zh&&(this[sy]=new ResizeObserver((e=>{if(!this[Ry].isPresenting)for(let t of e)t.target===this&&this[dy](t.contentRect)}))),Vh?this[py]=new IntersectionObserver((e=>{for(let t of e)if(t.target===this){const e=this.modelIsVisible;this[Ay]=t.isIntersecting,this[my](e),this[Ay]&&!this.loaded&&this[_y]()}}),{root:null,rootMargin:"0px",threshold:1e-5}):this[Ay]=!0}connectedCallback(){super.connectedCallback&&super.connectedCallback(),zh?this[sy].observe(this):self.addEventListener("resize",this[ny]),Vh&&this[py].observe(this),this.addEventListener("focus",this[hy]),this.addEventListener("blur",this[uy]);const e=this[Ry];e.addEventListener("contextlost",this[oy]),e.registerScene(this[wy]),null!=this[ay]&&(self.clearTimeout(this[ay]),this[ay]=null,this.requestUpdate("src",null))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),zh?this[sy].unobserve(this):self.removeEventListener("resize",this[ny]),Vh&&this[py].unobserve(this),this.removeEventListener("focus",this[hy]),this.removeEventListener("blur",this[uy]);const e=this[Ry];e.removeEventListener("contextlost",this[oy]),e.unregisterScene(this[wy]),this[ay]=self.setTimeout((()=>{this[wy].dispose(),this[ay]=null}),10)}updated(e){super.updated(e),e.has("src")&&(null==this.src?(this[ly]=!1,this[yy]=0,this[wy].reset()):this.src!==this[wy].url&&(this[ly]=!1,this[yy]=0,this[_y]())),e.has("alt")&&this[Sy].setAttribute("aria-label",this[gy]),e.has("generateSchema")&&(this.generateSchema?this[wy].updateSchema(this.src):this[wy].updateSchema(null))}toDataURL(e,t){return this[Ry].displayCanvas(this[wy]).toDataURL(e,t)}async toBlob(e){const t=e?e.mimeType:void 0,i=e?e.qualityArgument:void 0,n=e?e.idealAspect:void 0,{width:r,height:s,idealAspect:a,aspect:o}=this[wy],{dpr:l,scaleFactor:c}=this[Ry];let h=r*c*l,u=s*c*l,d=0,p=0;if(!0===n)if(a>o){const e=u;u=Math.round(h/a),p=(e-u)/2}else{const e=h;h=Math.round(u*a),d=(e-h)/2}iy.width=h,iy.height=u;try{return new Promise((async(e,n)=>{iy.getContext("2d").drawImage(this[Ry].displayCanvas(this[wy]),d,p,h,u,0,0,h,u),iy.toBlob((t=>{if(!t)return n(new Error("Unable to retrieve canvas blob"));e(t)}),t,i)}))}finally{this[dy]({width:r,height:s})}}registerEffectComposer(e){e.setRenderer(this[Ry].threeRenderer),e.setMainCamera(this[wy].getCamera()),e.setMainScene(this[wy]),this[wy].effectRenderer=e}unregisterEffectComposer(){this[wy].effectRenderer=null}registerRenderer(e){this[wy].externalRenderer=e}unregisterRenderer(){this[wy].externalRenderer=null}get[gy](){return this[fy]}get[fy](){return null==this.alt||"null"===this.alt?this[ry]:this.alt}[Ly](){return this[ly]}[Uy](){return this.loaded&&this[Ay]}[Py](){return!!this.src&&this[Ay]}[dy]({width:e,height:t}){0!==e&&0!==t&&(this[xy].style.width=`${e}px`,this[xy].style.height=`${t}px`,this[By]({width:e,height:t}))}[My](e,t){var i;null===(i=this[wy].effectRenderer)||void 0===i||i.beforeRender(e,t)}[Ey](){this[ly]||(this[ly]=!0,this[yy]=performance.now())}[Iy](){this[wy].queueRender()}[Ty](){}[vy](e){this[cy]=e;const t=this.getRootNode();null!=t&&t.activeElement===this&&this[by].textContent!=e&&(this[by].textContent=e)}[($v=hy,Zv=uy,By)](e){this[wy].setSize(e.width,e.height)}async[(ey=oy,_y)](){const e=this[wy];if(this.loaded||!this[Py]()||this.src===e.url)return;this.generateSchema&&e.updateSchema(this.src),this[vy]("Loading"),e.stopAnimation();const t=this[Dy].beginActivity("model-load"),i=this.src;try{const n=e.setSource(i,(e=>t(.95*nu(e,0,1)))),r=this[lu]();await Promise.all([n,r]),this[Ey](),this[Ty](),this.updateComplete.then((()=>{this.dispatchEvent(new CustomEvent("before-render"))})),await new Promise((e=>{requestAnimationFrame((()=>{requestAnimationFrame((()=>{this.dispatchEvent(new CustomEvent("load",{detail:{url:i}})),e()}))}))}))}catch(e){this.dispatchEvent(new CustomEvent("error",{detail:{type:"loadfailure",sourceError:e}}))}finally{t(1)}}}ty([x({type:String})],Qy.prototype,"alt",void 0),ty([x({type:String})],Qy.prototype,"src",void 0),ty([x({type:Boolean,attribute:"with-credentials"})],Qy.prototype,"withCredentials",void 0),ty([x({type:Boolean,attribute:"generate-schema"})],Qy.prototype,"generateSchema",void 0);
    1001. 

  1001. /* @license
    1002. 

  1002.  * Copyright 2019 Google LLC. All Rights Reserved.
    1003. 

  1003.  * Licensed under the Apache License, Version 2.0 (the 'License');
    1004. 

  1004.  * you may not use this file except in compliance with the License.
    1005. 

  1005.  * You may obtain a copy of the License at
    1006. 

  1006.  *
    1007. 

  1007.  *     http://www.apache.org/licenses/LICENSE-2.0
    1008. 

  1008.  *
    1009. 

  1009.  * Unless required by applicable law or agreed to in writing, software
    1010. 

  1010.  * distributed under the License is distributed on an 'AS IS' BASIS,
    1011. 

  1011.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1012. 

  1012.  * See the License for the specific language governing permissions and
    1013. 

  1013.  * limitations under the License.
    1014. 

  1014.  */
    1015. 

  1015. var ky=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const Oy=Symbol("changeAnimation"),Gy=Symbol("appendAnimation"),Hy=Symbol("detachAnimation"),zy=Symbol("paused"),Vy={repetitions:1/0,pingpong:!1},Wy={pingpong:!1,repetitions:null,weight:1,timeScale:1,fade:!1,warp:!1,relativeWarp:!0,time:null},qy={fade:!0},jy=Symbol("hotspotMap"),Xy=Symbol("mutationCallback"),Yy=Symbol("observer"),Ky=Symbol("addHotspot"),Jy=Symbol("removeHotspot"),$y=new tn;
    1016. 

  1016. /*!
    1017. 

  1017. fflate - fast JavaScript compression/decompression
    1018. 

  1018. <https://101arrowz.github.io/fflate>
    1019. 

  1019. Licensed under MIT. https://github.com/101arrowz/fflate/blob/master/LICENSE
    1020. 

  1020. version 0.8.2
    1021. 

  1021. */
    1022. 

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i=[],n=0;n<e.length;++n)e[n]&&i.push({s:n,f:e[n]});var r=i.length,s=i.slice();if(!r)return{t:R_,l:0};if(1==r){var a=new Zy(i[0].s+1);return a[i[0].s]=1,{t:a,l:1}}i.sort((function(e,t){return e.f-t.f})),i.push({s:-1,f:25001});var o=i[0],l=i[1],c=0,h=1,u=2;for(i[0]={s:-1,f:o.f+l.f,l:o,r:l};h!=r-1;)o=i[i[c].f<i[u].f?c++:u++],l=i[c!=h&&i[c].f<i[u].f?c++:u++],i[h++]={s:-1,f:o.f+l.f,l:o,r:l};var d=s[0].s;for(n=1;n<r;++n)s[n].s>d&&(d=s[n].s);var p=new e_(d+1),A=C_(i[h-1],p,0);if(A>t){n=0;var m=0,g=A-t,f=1<<g;for(s.sort((function(e,t){return p[t.s]-p[e.s]||e.f-t.f}));n<r;++n){var b=s[n].s;if(!(p[b]>t))break;m+=f-(1<<A-p[b]),p[b]=t}for(m>>=g;m>0;){var v=s[n].s;p[v]<t?m-=1<<t-p[v]++-1:++n}for(;n>=0&&m;--n){var y=s[n].s;p[y]==t&&(--p[y],++m)}A=t}return{t:new Zy(p),l:A}},C_=function(e,t,i){return-1==e.s?Math.max(C_(e.l,t,i+1),C_(e.r,t,i+1)):t[e.s]=i},w_=function(e){for(var t=e.length;t&&!e[--t];);for(var i=new 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M_(t,h,e.subarray(l,l+c));if(E_(t,h,1+(P<U)),h+=2,P<U){T=p_(d,p,0),B=d,R=p_(m,g,0),D=m;var F=p_(w,I,0);E_(t,h,v-257),E_(t,h+5,E-1),E_(t,h+10,M-4),h+=14;for(S=0;S<M;++S)E_(t,h+3*S,w[r_[S]]);h+=3*M;for(var N=[b,_],Q=0;Q<2;++Q){var k=N[Q];for(S=0;S<k.length;++S){var O=31&k[S];E_(t,h,F[O]),h+=w[O],O>15&&(E_(t,h,k[S]>>5&127),h+=k[S]>>12)}}}else T=g_,B=A_,R=f_,D=m_;for(S=0;S<o;++S){var G=n[S];if(G>255){x_(t,h,T[(O=G>>18&31)+257]),h+=B[O+257],O>7&&(E_(t,h,G>>23&31),h+=i_[O]);var H=31&G;x_(t,h,R[H]),h+=D[H],H>3&&(x_(t,h,G>>5&8191),h+=n_[H])}else x_(t,h,T[G]),h+=B[G]}return x_(t,h,T[256]),h+B[256]},B_=new t_([65540,131080,131088,131104,262176,1048704,1048832,2114560,2117632]),R_=new Zy(0),D_=function(){for(var e=new Int32Array(256),t=0;t<256;++t){for(var i=t,n=9;--n;)i=(1&i&&-306674912)^i>>>1;e[t]=i}return e}(),L_=function(){var e=-1;return{p:function(t){for(var i=e,n=0;n<t.length;++n)i=D_[255&i^t[n]]^i>>>8;e=i},d:function(){return~e}}},U_=function(e,t,i,n,r){if(!r&&(r={l:1},t.dictionary)){var s=t.dictionary.subarray(-32768),a=new Zy(s.length+e.length);a.set(s),a.set(e,s.length),e=a,r.w=s.length}return function(e,t,i,n,r,s){var a=s.z||e.length,o=new Zy(n+a+5*(1+Math.ceil(a/7e3))+r),l=o.subarray(n,o.length-r),c=s.l,h=7&(s.r||0);if(t){h&&(l[0]=s.r>>3);for(var u=B_[t-1],d=u>>13,p=8191&u,A=(1<<i)-1,m=s.p||new e_(32768),g=s.h||new e_(A+1),f=Math.ceil(i/3),b=2*f,v=function(t){return(e[t]^e[t+1]<<f^e[t+2]<<b)&A},y=new t_(25e3),_=new e_(288),E=new e_(32),x=0,S=0,C=s.i||0,w=0,I=s.w||0,M=0;C+2<a;++C){var T=v(C),B=32767&C,R=g[T];if(m[B]=R,g[T]=B,I<=C){var D=a-C;if((x>7e3||w>24576)&&(D>423||!c)){h=T_(e,l,0,y,_,E,S,w,M,C-M,h),w=x=S=0,M=C;for(var L=0;L<286;++L)_[L]=0;for(L=0;L<30;++L)E[L]=0}var U=2,P=0,F=p,N=B-R&32767;if(D>2&&T==v(C-N))for(var Q=Math.min(d,D)-1,k=Math.min(32767,C),O=Math.min(258,D);N<=k&&--F&&B!=R;){if(e[C+U]==e[C+U-N]){for(var G=0;G<O&&e[C+G]==e[C+G-N];++G);if(G>U){if(U=G,P=N,G>Q)break;var H=Math.min(N,G-2),z=0;for(L=0;L<H;++L){var V=C-N+L&32767,W=V-m[V]&32767;W>z&&(z=W,R=V)}}}N+=(B=R)-(R=m[B])&32767}if(P){y[w++]=268435456|l_[U]<<18|c_[P];var q=31&l_[U],j=31&c_[P];S+=i_[q]+n_[j],++_[257+q],++E[j],I=C+U,++x}else y[w++]=e[C],++_[e[C]]}}for(C=Math.max(C,I);C<a;++C)y[w++]=e[C],++_[e[C]];h=T_(e,l,c,y,_,E,S,w,M,C-M,h),c||(s.r=7&h|l[h/8|0]<<3,h-=7,s.h=g,s.p=m,s.i=C,s.w=I)}else{for(C=s.w||0;C<a+c;C+=65535){var X=C+65535;X>=a&&(l[h/8|0]=c,X=a),h=M_(l,h+1,e.subarray(C,X))}s.i=a}return v_(o,0,n+b_(h)+r)}(e,null==t.level?6:t.level,null==t.mem?r.l?Math.ceil(1.5*Math.max(8,Math.min(13,Math.log(e.length)))):20:12+t.mem,i,n,r)},P_=function(e,t){var i={};for(var n in e)i[n]=e[n];for(var n in t)i[n]=t[n];return i},F_=function(e,t,i){for(;i;++t)e[t]=i,i>>>=8};function N_(e,t){return U_(e,t||{},0,0)}var Q_=function(e,t,i,n){for(var r in e){var s=e[r],a=t+r,o=n;Array.isArray(s)&&(o=P_(n,s[1]),s=s[0]),s instanceof Zy?i[a]=[s,o]:(i[a+="/"]=[new Zy(0),o],Q_(s,a,i,n))}},k_="undefined"!=typeof TextEncoder&&new TextEncoder,O_="undefined"!=typeof TextDecoder&&new TextDecoder;try{O_.decode(R_,{stream:!0})}catch(sh){}function G_(e,t){if(k_)return k_.encode(e);for(var i=e.length,n=new Zy(e.length+(e.length>>1)),r=0,s=function(e){n[r++]=e},a=0;a<i;++a){if(r+5>n.length){var o=new Zy(r+8+(i-a<<1));o.set(n),n=o}var l=e.charCodeAt(a);l<128||t?s(l):l<2048?(s(192|l>>6),s(128|63&l)):l>55295&&l<57344?(s(240|(l=65536+(1047552&l)|1023&e.charCodeAt(++a))>>18),s(128|l>>12&63),s(128|l>>6&63),s(128|63&l)):(s(224|l>>12),s(128|l>>6&63),s(128|63&l))}return v_(n,0,r)}var H_=function(e){var t=0;if(e)for(var i in e){var n=e[i].length;n>65535&&__(9),t+=n+4}return t},z_=function(e,t,i,n,r,s,a,o){var l=n.length,c=i.extra,h=o&&o.length,u=H_(c);F_(e,t,null!=a?33639248:67324752),t+=4,null!=a&&(e[t++]=20,e[t++]=i.os),e[t]=20,t+=2,e[t++]=i.flag<<1|(s<0&&8),e[t++]=r&&8,e[t++]=255&i.compression,e[t++]=i.compression>>8;var d=new Date(null==i.mtime?Date.now():i.mtime),p=d.getFullYear()-1980;if((p<0||p>119)&&__(10),F_(e,t,p<<25|d.getMonth()+1<<21|d.getDate()<<16|d.getHours()<<11|d.getMinutes()<<5|d.getSeconds()>>1),t+=4,-1!=s&&(F_(e,t,i.crc),F_(e,t+4,s<0?-s-2:s),F_(e,t+8,i.size)),F_(e,t+12,l),F_(e,t+14,u),t+=16,null!=a&&(F_(e,t,h),F_(e,t+6,i.attrs),F_(e,t+10,a),t+=14),e.set(n,t),t+=l,u)for(var A in c){var m=c[A],g=m.length;F_(e,t,+A),F_(e,t+2,g),e.set(m,t+4),t+=4+g}return h&&(e.set(o,t),t+=h),t};function V_(e,t){t||(t={});var i={},n=[];Q_(e,"",i,t);var r=0,s=0;for(var a in i){var o=i[a],l=o[0],c=o[1],h=0==c.level?0:8,u=(x=G_(a)).length,d=c.comment,p=d&&G_(d),A=p&&p.length,m=H_(c.extra);u>65535&&__(11);var g=h?N_(l,c):l,f=g.length,b=L_();b.p(l),n.push(P_(c,{size:l.length,crc:b.d(),c:g,f:x,m:p,u:u!=a.length||p&&d.length!=A,o:r,compression:h})),r+=30+u+m+f,s+=76+2*(u+m)+(A||0)+f}for(var v=new Zy(s+22),y=r,_=s-r,E=0;E<n.length;++E){var x=n[E];z_(v,x.o,x,x.f,x.u,x.c.length);var S=30+x.f.length+H_(x.extra);v.set(x.c,x.o+S),z_(v,r,x,x.f,x.u,x.c.length,x.o,x.m),r+=16+S+(x.m?x.m.length:0)}return function(e,t,i,n,r){F_(e,t,101010256),F_(e,t+8,i),F_(e,t+10,i),F_(e,t+12,n),F_(e,t+16,r)}(v,r,n.length,_,y),v}class W_{constructor(){this.textureUtils=null}setTextureUtils(e){this.textureUtils=e}parse(e,t,i,n){this.parseAsync(e,n).then(t).catch(i)}async parseAsync(e,t={}){t=Object.assign({ar:{anchoring:{type:"plane"},planeAnchoring:{alignment:"horizontal"}},includeAnchoringProperties:!0,quickLookCompatible:!1,maxTextureSize:1024},t);const i={},n="model.usda";i[n]=null;let r=X_();r+=function(e){const t=!0===e.includeAnchoringProperties?`\n\t\ttoken preliminary:anchoring:type = "${e.ar.anchoring.type}"\n\t\ttoken preliminary:planeAnchoring:alignment = "${e.ar.planeAnchoring.alignment}"\n\t`:"";return`def Xform "Root"\n{\n\tdef Scope "Scenes" (\n\t\tkind = "sceneLibrary"\n\t)\n\t{\n\t\tdef Xform "Scene" (\n\t\t\tcustomData = {\n\t\t\t\tbool preliminary_collidesWithEnvironment = 0\n\t\t\t\tstring sceneName = "Scene"\n\t\t\t}\n\t\t\tsceneName = "Scene"\n\t\t)\n\t\t{${t}\n`}(t);const s={},a={};e.traverseVisible((e=>{if(e.isMesh){const t=e.geometry,n=e.material;if(n.isMeshStandardMaterial){const a="geometries/Geometry_"+t.id+".usda";if(!(a in i)){const e=function(e){const t=function(e){const t="Geometry",i=e.attributes,n=i.position.count;return`\n\tdef Mesh "${t}"\n\t{\n\t\tint[] faceVertexCounts = [${function(e){const t=null!==e.index?e.index.count:e.attributes.position.count;return Array(t/3).fill(3).join(", ")}(e)}]\n\t\tint[] faceVertexIndices = [${function(e){const t=e.index,i=[];if(null!==t)for(let e=0;e<t.count;e++)i.push(t.getX(e));else{const t=e.attributes.position.count;for(let e=0;e<t;e++)i.push(e)}return i.join(", ")}(e)}]\n\t\tnormal3f[] normals = [${J_(i.normal,n)}] (\n\t\t\tinterpolation = "vertex"\n\t\t)\n\t\tpoint3f[] points = [${J_(i.position,n)}]\n${function(e){let t="";for(let i=0;i<4;i++){const n=i>0?i:"",r=e["uv"+n];void 0!==r&&(t+=`\n\t\ttexCoord2f[] primvars:st${n} = [${$_(r)}] (\n\t\t\tinterpolation = "vertex"\n\t\t)`)}const i=e.color;if(void 0!==i){t+=`\n\tcolor3f[] primvars:displayColor = [${J_(i,i.count)}] (\n\t\tinterpolation = "vertex"\n\t\t)`}return t}(i)}\n\t\tuniform token subdivisionScheme = "none"\n\t}\n`}(e);return`\ndef "Geometry"\n{\n${t}\n}\n`}(t);i[a]=function(e){let t=X_();return t+=e,G_(t)}(e)}n.uuid in s||(s[n.uuid]=n),r+=function(e,t,i){const n="Object_"+e.id,r=Y_(e.matrixWorld);e.matrixWorld.determinant()<0&&console.warn("THREE.USDZExporter: USDZ does not support negative scales",e);return`def Xform "${n}" (\n\tprepend references = @./geometries/Geometry_${t.id}.usda@</Geometry>\n\tprepend apiSchemas = ["MaterialBindingAPI"]\n)\n{\n\tmatrix4d xformOp:transform = ${r}\n\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\trel material:binding = </Materials/Material_${i.id}>\n}\n\n`}(e,t,n)}else console.warn("THREE.USDZExporter: Unsupported material type (USDZ only supports MeshStandardMaterial)",e)}else e.isCamera&&(r+=function(e){const t=e.name?e.name:"Camera_"+e.id,i=Y_(e.matrixWorld);e.matrixWorld.determinant()<0&&console.warn("THREE.USDZExporter: USDZ does not support negative scales",e);return e.isOrthographicCamera?`def Camera "${t}"\n\t\t{\n\t\t\tmatrix4d xformOp:transform = ${i}\n\t\t\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\t\t\tfloat2 clippingRange = (${e.near.toPrecision(j_)}, ${e.far.toPrecision(j_)})\n\t\t\tfloat horizontalAperture = ${(10*(Math.abs(e.left)+Math.abs(e.right))).toPrecision(j_)}\n\t\t\tfloat verticalAperture = ${(10*(Math.abs(e.top)+Math.abs(e.bottom))).toPrecision(j_)}\n\t\t\ttoken projection = "orthographic"\n\t\t}\n\t\n\t`:`def Camera "${t}"\n\t\t{\n\t\t\tmatrix4d xformOp:transform = ${i}\n\t\t\tuniform token[] xformOpOrder = ["xformOp:transform"]\n\n\t\t\tfloat2 clippingRange = (${e.near.toPrecision(j_)}, ${e.far.toPrecision(j_)})\n\t\t\tfloat focalLength = ${e.getFocalLength().toPrecision(j_)}\n\t\t\tfloat focusDistance = ${e.focus.toPrecision(j_)}\n\t\t\tfloat horizontalAperture = ${e.getFilmWidth().toPrecision(j_)}\n\t\t\ttoken projection = "perspective"\n\t\t\tfloat verticalAperture = ${e.getFilmHeight().toPrecision(j_)}\n\t\t}\n\t\n\t`}
    1023. 

  1023. /* @license
    1024. 

  1024.  * Copyright 2019 Google LLC. All Rights Reserved.
    1025. 

  1025.  * Licensed under the Apache License, Version 2.0 (the 'License');
    1026. 

  1026.  * you may not use this file except in compliance with the License.
    1027. 

  1027.  * You may obtain a copy of the License at
    1028. 

  1028.  *
    1029. 

  1029.  *     http://www.apache.org/licenses/LICENSE-2.0
    1030. 

  1030.  *
    1031. 

  1031.  * Unless required by applicable law or agreed to in writing, software
    1032. 

  1032.  * distributed under the License is distributed on an 'AS IS' BASIS,
    1033. 

  1033.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1034. 

  1034.  * See the License for the specific language governing permissions and
    1035. 

  1035.  * limitations under the License.
    1036. 

  1036.  */(e))})),r+="\n\t\t}\n\t}\n}\n\n",r+=function(e,t,i=!1){const n=[];for(const r in e){const s=e[r];n.push(Z_(s,t,i))}return`def "Materials"\n{\n${n.join("")}\n}\n\n`}(s,a,t.quickLookCompatible),i[n]=G_(r),r=null;for(const e in a){let n=a[e];if(!0===n.isCompressedTexture){if(null===this.textureUtils)throw new Error("THREE.USDZExporter: setTextureUtils() must be called to process compressed textures.");n=await this.textureUtils.decompress(n)}const r=q_(n.image,n.flipY,t.maxTextureSize),s=await new Promise((e=>r.toBlob(e,"image/png",1)));i[`textures/Texture_${e}.png`]=new Uint8Array(await s.arrayBuffer())}let o=0;for(const e in i){const t=i[e];o+=34+e.length;const n=63&o;if(4!==n){const r=new Uint8Array(64-n);i[e]=[t,{extra:{12345:r}}]}o=t.length}return V_(i,{level:0})}}function q_(e,t,i){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){const n=i/Math.max(e.width,e.height),r=document.createElement("canvas");r.width=e.width*Math.min(1,n),r.height=e.height*Math.min(1,n);const s=r.getContext("2d");return!0===t&&(s.translate(0,r.height),s.scale(1,-1)),s.drawImage(e,0,0,r.width,r.height),r}throw new Error("THREE.USDZExporter: No valid image data found. Unable to process texture.")}const j_=7;function X_(){return'#usda 1.0\n(\n\tcustomLayerData = {\n\t\tstring creator = "Three.js USDZExporter"\n\t}\n\tdefaultPrim = "Root"\n\tmetersPerUnit = 1\n\tupAxis = "Y"\n)\n\n'}function Y_(e){const t=e.elements;return`( ${K_(t,0)}, ${K_(t,4)}, ${K_(t,8)}, ${K_(t,12)} )`}function K_(e,t){return`(${e[t+0]}, ${e[t+1]}, ${e[t+2]}, ${e[t+3]})`}function J_(e,t){if(void 0===e)return console.warn("USDZExporter: Normals missing."),Array(t).fill("(0, 0, 0)").join(", ");const i=[];for(let t=0;t<e.count;t++){const n=e.getX(t),r=e.getY(t),s=e.getZ(t);i.push(`(${n.toPrecision(j_)}, ${r.toPrecision(j_)}, ${s.toPrecision(j_)})`)}return i.join(", ")}function $_(e){const t=[];for(let i=0;i<e.count;i++){const n=e.getX(i),r=e.getY(i);t.push(`(${n.toPrecision(j_)}, ${1-r.toPrecision(j_)})`)}return t.join(", ")}function Z_(e,t,i=!1){const n="\t\t\t",r=[],s=[];function a(n,r,s){const a=n.source.id+"_"+n.flipY;t[a]=n;const o=n.channel>0?"st"+n.channel:"st",l={1e3:"repeat",1001:"clamp",1002:"mirror"},c=n.repeat.clone(),h=n.offset.clone(),u=n.rotation,d=Math.sin(u),p=Math.cos(u);return h.y=1-h.y-c.y,i?(h.x=h.x/c.x,h.y=h.y/c.y,h.x+=d/c.x,h.y+=p-1):(h.x+=d*c.x,h.y+=(1-p)*c.y),`\n\t\tdef Shader "PrimvarReader_${r}"\n\t\t{\n\t\t\tuniform token info:id = "UsdPrimvarReader_float2"\n\t\t\tfloat2 inputs:fallback = (0.0, 0.0)\n\t\t\ttoken inputs:varname = "${o}"\n\t\t\tfloat2 outputs:result\n\t\t}\n\n\t\tdef Shader "Transform2d_${r}"\n\t\t{\n\t\t\tuniform token info:id = "UsdTransform2d"\n\t\t\ttoken inputs:in.connect = </Materials/Material_${e.id}/PrimvarReader_${r}.outputs:result>\n\t\t\tfloat inputs:rotation = ${(u*(180/Math.PI)).toFixed(j_)}\n\t\t\tfloat2 inputs:scale = ${tE(c)}\n\t\t\tfloat2 inputs:translation = ${tE(h)}\n\t\t\tfloat2 outputs:result\n\t\t}\n\n\t\tdef Shader "Texture_${n.id}_${r}"\n\t\t{\n\t\t\tuniform token info:id = "UsdUVTexture"\n\t\t\tasset inputs:file = @textures/Texture_${a}.png@\n\t\t\tfloat2 inputs:st.connect = </Materials/Material_${e.id}/Transform2d_${r}.outputs:result>\n\t\t\t${void 0!==s?"float4 inputs:scale = "+function(e){return`(${e.r}, ${e.g}, ${e.b}, 1.0)`}(s):""}\n\t\t\ttoken inputs:sourceColorSpace = "${n.colorSpace===Et?"raw":"sRGB"}"\n\t\t\ttoken inputs:wrapS = "${l[n.wrapS]}"\n\t\t\ttoken inputs:wrapT = "${l[n.wrapT]}"\n\t\t\tfloat outputs:r\n\t\t\tfloat outputs:g\n\t\t\tfloat outputs:b\n\t\t\tfloat3 outputs:rgb\n\t\t\t${e.transparent||e.alphaTest>0?"float outputs:a":""}\n\t\t}`}return 2===e.side&&console.warn("THREE.USDZExporter: USDZ does not support double sided materials",e),null!==e.map?(r.push(`${n}color3f inputs:diffuseColor.connect = </Materials/Material_${e.id}/Texture_${e.map.id}_diffuse.outputs:rgb>`),e.transparent?r.push(`${n}float inputs:opacity.connect = </Materials/Material_${e.id}/Texture_${e.map.id}_diffuse.outputs:a>`):e.alphaTest>0&&(r.push(`${n}float inputs:opacity.connect = </Materials/Material_${e.id}/Texture_${e.map.id}_diffuse.outputs:a>`),r.push(`${n}float inputs:opacityThreshold = ${e.alphaTest}`)),s.push(a(e.map,"diffuse",e.color))):r.push(`${n}color3f inputs:diffuseColor = ${eE(e.color)}`),null!==e.emissiveMap?(r.push(`${n}color3f inputs:emissiveColor.connect = </Materials/Material_${e.id}/Texture_${e.emissiveMap.id}_emissive.outputs:rgb>`),s.push(a(e.emissiveMap,"emissive",new Xn(e.emissive.r*e.emissiveIntensity,e.emissive.g*e.emissiveIntensity,e.emissive.b*e.emissiveIntensity)))):e.emissive.getHex()>0&&r.push(`${n}color3f inputs:emissiveColor = ${eE(e.emissive)}`),null!==e.normalMap&&(r.push(`${n}normal3f inputs:normal.connect = </Materials/Material_${e.id}/Texture_${e.normalMap.id}_normal.outputs:rgb>`),s.push(a(e.normalMap,"normal"))),null!==e.aoMap&&(r.push(`${n}float inputs:occlusion.connect = </Materials/Material_${e.id}/Texture_${e.aoMap.id}_occlusion.outputs:r>`),s.push(a(e.aoMap,"occlusion",new Xn(e.aoMapIntensity,e.aoMapIntensity,e.aoMapIntensity)))),null!==e.roughnessMap?(r.push(`${n}float inputs:roughness.connect = </Materials/Material_${e.id}/Texture_${e.roughnessMap.id}_roughness.outputs:g>`),s.push(a(e.roughnessMap,"roughness",new Xn(e.roughness,e.roughness,e.roughness)))):r.push(`${n}float inputs:roughness = ${e.roughness}`),null!==e.metalnessMap?(r.push(`${n}float inputs:metallic.connect = </Materials/Material_${e.id}/Texture_${e.metalnessMap.id}_metallic.outputs:b>`),s.push(a(e.metalnessMap,"metallic",new Xn(e.metalness,e.metalness,e.metalness)))):r.push(`${n}float inputs:metallic = ${e.metalness}`),null!==e.alphaMap?(r.push(`${n}float inputs:opacity.connect = </Materials/Material_${e.id}/Texture_${e.alphaMap.id}_opacity.outputs:r>`),r.push(`${n}float inputs:opacityThreshold = 0.0001`),s.push(a(e.alphaMap,"opacity"))):r.push(`${n}float inputs:opacity = ${e.opacity}`),e.isMeshPhysicalMaterial&&(null!==e.clearcoatMap?(r.push(`${n}float inputs:clearcoat.connect = </Materials/Material_${e.id}/Texture_${e.clearcoatMap.id}_clearcoat.outputs:r>`),s.push(a(e.clearcoatMap,"clearcoat",new Xn(e.clearcoat,e.clearcoat,e.clearcoat)))):r.push(`${n}float inputs:clearcoat = ${e.clearcoat}`),null!==e.clearcoatRoughnessMap?(r.push(`${n}float inputs:clearcoatRoughness.connect = </Materials/Material_${e.id}/Texture_${e.clearcoatRoughnessMap.id}_clearcoatRoughness.outputs:g>`),s.push(a(e.clearcoatRoughnessMap,"clearcoatRoughness",new Xn(e.clearcoatRoughness,e.clearcoatRoughness,e.clearcoatRoughness)))):r.push(`${n}float inputs:clearcoatRoughness = ${e.clearcoatRoughness}`),r.push(`${n}float inputs:ior = ${e.ior}`)),`\n\tdef Material "Material_${e.id}"\n\t{\n\t\tdef Shader "PreviewSurface"\n\t\t{\n\t\t\tuniform token info:id = "UsdPreviewSurface"\n${r.join("\n")}\n\t\t\tint inputs:useSpecularWorkflow = 0\n\t\t\ttoken outputs:surface\n\t\t}\n\n\t\ttoken outputs:surface.connect = </Materials/Material_${e.id}/PreviewSurface.outputs:surface>\n\n${s.join("\n")}\n\n\t}\n`}function eE(e){return`(${e.r}, ${e.g}, ${e.b})`}function tE(e){return`(${e.x}, ${e.y})`}
    1037. 

  1037. /* @license
    1038. 

  1038.  * Copyright 2019 Google LLC. All Rights Reserved.
    1039. 

  1039.  * Licensed under the Apache License, Version 2.0 (the 'License');
    1040. 

  1040.  * you may not use this file except in compliance with the License.
    1041. 

  1041.  * You may obtain a copy of the License at
    1042. 

  1042.  *
    1043. 

  1043.  *     http://www.apache.org/licenses/LICENSE-2.0
    1044. 

  1044.  *
    1045. 

  1045.  * Unless required by applicable law or agreed to in writing, software
    1046. 

  1046.  * distributed under the License is distributed on an 'AS IS' BASIS,
    1047. 

  1047.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1048. 

  1048.  * See the License for the specific language governing permissions and
    1049. 

  1049.  * limitations under the License.
    1050. 

  1050.  */
    1051. 

  1051. var iE=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};let nE=!1,rE=!1;const sE="#model-viewer-no-ar-fallback",aE=(oE=["quick-look","scene-viewer","webxr","none"],e=>{try{const t=DA(e),i=(t.length?t[0].terms:[]).filter((e=>e&&"ident"===e.type)).map((e=>e.value)).filter((e=>oE.indexOf(e)>-1));return new Set(i)}catch(e){}return new Set});var oE;const lE="quick-look",cE="scene-viewer",hE="webxr",uE="none",dE=Symbol("arButtonContainer"),pE=Symbol("enterARWithWebXR"),AE=Symbol("openSceneViewer"),mE=Symbol("openIOSARQuickLook"),gE=Symbol("canActivateAR"),fE=Symbol("arMode"),bE=Symbol("arModes"),vE=Symbol("arAnchor"),yE=Symbol("preload"),_E=Symbol("onARButtonContainerClick"),EE=Symbol("onARStatus"),xE=Symbol("onARTracking"),SE=Symbol("onARTap"),CE=Symbol("selectARMode"),wE=Symbol("triggerLoad");
    1052. 

  1052. /* @license
    1053. 

  1053.  * Copyright 2019 Google LLC. All Rights Reserved.
    1054. 

  1054.  * Licensed under the Apache License, Version 2.0 (the 'License');
    1055. 

  1055.  * you may not use this file except in compliance with the License.
    1056. 

  1056.  * You may obtain a copy of the License at
    1057. 

  1057.  *
    1058. 

  1058.  *     http://www.apache.org/licenses/LICENSE-2.0
    1059. 

  1059.  *
    1060. 

  1060.  * Unless required by applicable law or agreed to in writing, software
    1061. 

  1061.  * distributed under the License is distributed on an 'AS IS' BASIS,
    1062. 

  1062.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1063. 

  1063.  * See the License for the specific language governing permissions and
    1064. 

  1064.  * limitations under the License.
    1065. 

  1065.  */
    1066. 

  1066. var IE=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const ME="auto",TE="auto",BE="eager",RE=Symbol("defaultProgressBarElement"),DE=Symbol("posterContainerElement"),LE=Symbol("defaultPosterElement"),UE=Symbol("shouldDismissPoster"),PE=Symbol("hidePoster"),FE=Symbol("modelIsRevealed"),NE=Symbol("updateProgressBar"),QE=Symbol("ariaLabelCallToAction"),kE=Symbol("onProgress");
    1067. 

  1067. /* @license
    1068. 

  1068.  * Copyright 2019 Google LLC. All Rights Reserved.
    1069. 

  1069.  * Licensed under the Apache License, Version 2.0 (the 'License');
    1070. 

  1070.  * you may not use this file except in compliance with the License.
    1071. 

  1071.  * You may obtain a copy of the License at
    1072. 

  1072.  *
    1073. 

  1073.  *     http://www.apache.org/licenses/LICENSE-2.0
    1074. 

  1074.  *
    1075. 

  1075.  * Unless required by applicable law or agreed to in writing, software
    1076. 

  1076.  * distributed under the License is distributed on an 'AS IS' BASIS,
    1077. 

  1077.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    1078. 

  1078.  * See the License for the specific language governing permissions and
    1079. 

  1079.  * limitations under the License.
    1080. 

  1080.  */
    1081. 

  1081. var OE=function(e,t,i,n){for(var r,s=arguments.length,a=s<3?t:null===n?n=Object.getOwnPropertyDescriptor(t,i):n,o=e.length-1;o>=0;o--)(r=e[o])&&(a=(s<3?r(a):s>3?r(t,i,a):r(t,i))||a);return s>3&&a&&Object.defineProperty(t,i,a),a};const GE=Math.PI/32,HE={basis:[GA(RA(GE,"rad"))],keywords:{auto:[null]}},zE=Symbol("autoRotateStartTime"),VE=Symbol("radiansPerSecond"),WE=Symbol("syncRotationRate"),qE=Symbol("onCameraChange"),jE=(e=>{var t,i,n;class r extends e{constructor(){super(...arguments),this[t]=new Map,this[i]=e=>{e.forEach((e=>{e instanceof MutationRecord&&"childList"!==e.type||(e.addedNodes.forEach((e=>{this[Ky](e)})),e.removedNodes.forEach((e=>{this[Jy](e)})),this[Iy]())}))},this[n]=new MutationObserver(this[Xy])}connectedCallback(){super.connectedCallback();for(let e=0;e<this.children.length;++e)this[Ky](this.children[e]);const{ShadyDOM:e}=self;null==e?this[Yy].observe(this,{childList:!0}):this[Yy]=e.observeChildren(this,this[Xy])}disconnectedCallback(){super.disconnectedCallback();const{ShadyDOM:e}=self;null==e?this[Yy].disconnect():e.unobserveChildren(this[Yy])}[(t=jy,i=Xy,n=Yy,Ty)](){super[Ty]();const e=this[wy];e.forHotspots((t=>{e.updateSurfaceHotspot(t)}))}[My](e,t){super[My](e,t);const i=this[wy],{annotationRenderer:n}=i,r=i.getCamera();i.shouldRender()&&(i.animateSurfaceHotspots(),i.updateHotspotsVisibility(r.position),n.domElement.style.display="",n.render(i,r))}updateHotspot(e){const t=this[jy].get(e.name);null!=t&&(t.updatePosition(e.position),t.updateNormal(e.normal),t.surface=e.surface,this[wy].updateSurfaceHotspot(t),this[Iy]())}queryHotspot(e){const t=this[jy].get(e);if(null==t)return null;const i=Fy(t.position),n=Fy(t.normal),r=t.facingCamera,s=this[wy],a=s.getCamera(),o=new Ci;o.setFromMatrixPosition(t.matrixWorld),o.project(a);const l=s.width/2,c=s.height/2;o.x=o.x*l+l,o.y=-o.y*c+c;const h=Fy(new Ci(o.x,o.y,o.z));return Number.isFinite(h.x)&&Number.isFinite(h.y)?{position:i,normal:n,canvasPosition:h,facingCamera:r}:null}positionAndNormalFromPoint(e,t){const i=this[wy],n=i.getNDC(e,t),r=i.positionAndNormalFromPoint(n);if(null==r)return null;$y.copy(i.target.matrixWorld).invert();const s=Fy(r.position.applyMatrix4($y)),a=Fy(r.normal.transformDirection($y));let o=null;return null!=r.uv&&(o=Ny(r.uv)),{position:s,normal:a,uv:o}}surfaceFromPoint(e,t){const i=this[wy],n=i.getNDC(e,t);return i.surfaceFromPoint(n)}[Ky](e){if(!(e instanceof HTMLElement&&0===e.slot.indexOf("hotspot")))return;let t=this[jy].get(e.slot);null!=t?t.increment():(t=new Tv({name:e.slot,position:e.dataset.position,normal:e.dataset.normal,surface:e.dataset.surface}),this[jy].set(e.slot,t),this[wy].addHotspot(t)),this[wy].queueRender()}[Jy](e){if(!(e instanceof HTMLElement))return;const t=this[jy].get(e.slot);t&&(t.decrement()&&(this[wy].removeHotspot(t),this[jy].delete(e.slot)),this[wy].queueRender())}}return r})((e=>{var t,i,n;class r extends e{constructor(){super(...arguments),this[t]=void 0,this[i]=null,this[n]=null,this.variantName=null,this.orientation="0 0 0",this.scale="1 1 1"}get model(){return this[vv]}get availableVariants(){return this.model?this.model[uv]():[]}get originalGltfJson(){return this[bv]}[(t=vv,i=fv,n=bv,yv)](){return()=>{this[Iy]()}}[_v](e){return e.colorSpace=xt,e.wrapS=ae,e.wrapT=ae,new cb(this[yv](),e)}async createTexture(e,t="image/png"){const{textureUtils:i}=this[Ry],n=await i.loadImage(e,this.withCredentials);return n.userData.mimeType=t,this[_v](n)}async createLottieTexture(e,t=1){const{textureUtils:i}=this[Ry],n=await i.loadLottie(e,t,this.withCredentials);return this[_v](n)}createVideoTexture(e){const t=document.createElement("video");t.crossOrigin=this.withCredentials?"use-credentials":"anonymous",t.src=e,t.muted=!0,t.playsInline=!0,t.loop=!0,t.play();const i=new Ks(t);return this[_v](i)}createCanvasTexture(){const e=document.createElement("canvas"),t=new ea(e);return this[_v](t)}async updated(e){if(super.updated(e),e.has("variantName")){const e=this[Dy].beginActivity("variant-update");e(.1);const t=this[vv],{variantName:i}=this;null!=t&&(await t[av](i),this[Iy](),this.dispatchEvent(new CustomEvent("variant-applied"))),e(1)}if(e.has("orientation")||e.has("scale")){if(!this.loaded)return;const e=this[wy];e.applyTransform(),e.updateBoundingBox(),e.updateShadow(),this[Ry].arRenderer.onUpdateScene(),this[Iy]()}}[Ty](){super[Ty]();const{currentGLTF:e}=this[wy];if(null!=e){const{correlatedSceneGraph:t}=e;null!=t&&e!==this[fv]&&(this[vv]=new mv(t,this[yv]()),this[bv]=JSON.parse(JSON.stringify(t.gltf))),"variants"in e.userData&&this.requestUpdate("variantName")}this[fv]=e}async exportScene(e){const t=this[wy];return new Promise((async(i,n)=>{const r={binary:!0,onlyVisible:!0,maxTextureSize:1/0,includeCustomExtensions:!1,forceIndices:!1};Object.assign(r,e),r.animations=t.animations,r.truncateDrawRange=!0;const s=t.shadow;let a=!1;null!=s&&(a=s.visible,s.visible=!1),await this[vv][sv]();(new wp).register((e=>new EA(e))).parse(t.model,(e=>i(new Blob([r.binary?e:JSON.stringify(e)],{type:r.binary?"application/octet-stream":"application/json"}))),(()=>n("glTF export failed")),r),null!=s&&(s.visible=a)}))}materialFromPoint(e,t){const i=this[vv];if(null==i)return null;const n=this[wy],r=n.getNDC(e,t),s=n.hitFromPoint(r);return null==s||null==s.face?null:i[ov](s)}}return gv([x({type:String,attribute:"variant-name"})],r.prototype,"variantName",void 0),gv([x({type:String,attribute:"orientation"})],r.prototype,"orientation",void 0),gv([x({type:String,attribute:"scale"})],r.prototype,"scale",void 0),r})((e=>{var t,i,n;class r extends e{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this.rotationPerSecond="auto",this[t]=performance.now(),this[i]=0,this[n]=e=>{this.autoRotate&&"user-interaction"===e.detail.source&&(this[zE]=performance.now())}}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[qE]),this[zE]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[qE]),this[zE]=performance.now()}updated(e){super.updated(e),e.has("autoRotate")&&(this[zE]=performance.now())}[(t=zE,i=VE,WE)](e){this[VE]=e[0]}[My](e,t){if(super[My](e,t),!this.autoRotate||!this[Uy]()||this[Ry].isPresenting)return;const i=Math.min(t,e-this[zE]-this.autoRotateDelay);i>0&&(this[wy].yaw=this.turntableRotation+this[VE]*i*.001)}get turntableRotation(){return this[wy].yaw}resetTurntableRotation(e=0){this[wy].yaw=e}}return n=qE,OE([x({type:Boolean,attribute:"auto-rotate"})],r.prototype,"autoRotate",void 0),OE([x({type:Number,attribute:"auto-rotate-delay"})],r.prototype,"autoRotateDelay",void 0),OE([Im({intrinsics:HE,updateHandler:WE}),x({type:String,attribute:"rotation-per-second"})],r.prototype,"rotationPerSecond",void 0),r})((e=>{var t,i,n;class r extends e{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this.toneMapping="auto",this.skyboxHeight="0",this[t]=null,this[i]=null,this[n]=null}updated(e){super.updated(e),e.has("shadowIntensity")&&(this[wy].setShadowIntensity(.5*this.shadowIntensity),this[Iy]()),e.has("shadowSoftness")&&(this[wy].setShadowSoftness(this.shadowSoftness),this[Iy]()),e.has("exposure")&&(this[wy].exposure=this.exposure,this[Iy]()),e.has("toneMapping")&&(this[wy].toneMapping="aces"===this.toneMapping?4:"agx"===this.toneMapping?6:"reinhard"===this.toneMapping?2:"cineon"===this.toneMapping?3:"linear"===this.toneMapping?1:"none"===this.toneMapping?0:7,this[Iy]()),(e.has("environmentImage")||e.has("skyboxImage"))&&this[Py]()&&this[lu](),e.has("skyboxHeight")&&(this[wy].setGroundedSkybox(),this[Iy]())}hasBakedShadow(){return this[wy].bakedShadows.size>0}async[(t=au,i=ou,n=cu,lu)](){const{skyboxImage:e,environmentImage:t}=this;null!=this[cu]&&(this[cu](),this[cu]=null);const{textureUtils:i}=this[Ry];if(null==i)return;const n=this[Dy].beginActivity("environment-update");try{const{environmentMap:r,skybox:s}=await i.generateEnvironmentMapAndSkybox(Zh(e),t,(e=>n(nu(e,0,1))),this.withCredentials);this[au]!==r&&(this[au]=r,this.dispatchEvent(new CustomEvent("environment-change"))),this[ou]=null!=s?s.name===r.name?r:s:null,this[wy].setEnvironmentAndSkybox(this[au],this[ou])}catch(e){if(e instanceof Error)throw this[wy].setEnvironmentAndSkybox(null,null),e}finally{n(1)}}}return su([x({type:String,attribute:"environment-image"})],r.prototype,"environmentImage",void 0),su([x({type:String,attribute:"skybox-image"})],r.prototype,"skyboxImage",void 0),su([x({type:Number,attribute:"shadow-intensity"})],r.prototype,"shadowIntensity",void 0),su([x({type:Number,attribute:"shadow-softness"})],r.prototype,"shadowSoftness",void 0),su([x({type:Number})],r.prototype,"exposure",void 0),su([x({type:String,attribute:"tone-mapping"})],r.prototype,"toneMapping",void 0),su([x({type:String,attribute:"skybox-height"})],r.prototype,"skyboxHeight",void 0),r})((e=>{var t,i,n,r,s,a,o,l,c,h,u,d,p,A,m,g,f,b;class v extends e{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit=Um,this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPrompt=Nm,this.interactionPromptStyle=km,this.orbitSensitivity=1,this.zoomSensitivity=1,this.panSensitivity=1,this.touchAction=Om,this.disableZoom=!1,this.disablePan=!1,this.disableTap=!1,this.interpolationDecay=50,this.a11y=null,this[t]=this.shadowRoot.querySelector(".interaction-prompt"),this[i]=this.shadowRoot.querySelector("#prompt"),this[n]=[this.shadowRoot.querySelector("#finger0"),this.shadowRoot.querySelector("#finger1")],this[r]=this.shadowRoot.querySelector(".pan-target"),this[s]=0,this[a]=1/0,this[o]=!1,this[l]=!1,this[c]=Rg.AUTOMATIC,this[h]=new Dg(this[wy].camera,this[Sy],this[wy]),this[u]=new fo,this[d]=!1,this[p]=!1,this[A]=!1,this[m]={},this[g]=()=>{const e=this[Jm].changeSource;this[Ag]=e,e===Rg.USER_INTERACTION&&(this[ug]=!0,this[ig]())},this[f]=()=>{this[ng](),this[Iy]();const e=this[Jm].changeSource;this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:e}}))},this[b]=e=>{this[xy].classList.toggle("pointer-tumbling","pointer-change-start"===e.type)}}get inputSensitivity(){return this[Jm].inputSensitivity}set inputSensitivity(e){this[Jm].inputSensitivity=e}getCameraOrbit(){const{theta:e,phi:t,radius:i}=this[mg];return{theta:e,phi:t,radius:i,toString(){return`${this.theta}rad ${this.phi}rad ${this.radius}m`}}}getCameraTarget(){return Fy(this[Ry].isPresenting?this[Ry].arRenderer.target:this[wy].getDynamicTarget())}getFieldOfView(){return this[Jm].getFieldOfView()}getMinimumFieldOfView(){return this[Jm].options.minimumFieldOfView}getMaximumFieldOfView(){return this[Jm].options.maximumFieldOfView}getIdealAspect(){return this[wy].idealAspect}jumpCameraToGoal(){this[gg]=!0,this.requestUpdate(gg,!1)}resetInteractionPrompt(){this[pg]=0,this[dg]=1/0,this[ug]=!1,this[hg]=this.interactionPrompt===Nm&&this.cameraControls}zoom(e){const t=new WheelEvent("wheel",{deltaY:-30*e});this[Sy].dispatchEvent(t)}connectedCallback(){super.connectedCallback(),this[Jm].addEventListener("user-interaction",this[og]),this[Jm].addEventListener("pointer-change-start",this[cg]),this[Jm].addEventListener("pointer-change-end",this[cg])}disconnectedCallback(){super.disconnectedCallback(),this[Jm].removeEventListener("user-interaction",this[og]),this[Jm].removeEventListener("pointer-change-start",this[cg]),this[Jm].removeEventListener("pointer-change-end",this[cg])}updated(e){super.updated(e);const t=this[Jm],i=this[wy];if(e.has("cameraControls")&&(this.cameraControls?(t.enableInteraction(),this.interactionPrompt===Nm&&(this[hg]=!0)):(t.disableInteraction(),this[ig]()),this[Sy].setAttribute("aria-label",this[gy])),e.has("disableZoom")&&(t.disableZoom=this.disableZoom),e.has("disablePan")&&(t.enablePan=!this.disablePan),e.has("disableTap")&&(t.enableTap=!this.disableTap),(e.has("interactionPrompt")||e.has("cameraControls")||e.has("src"))&&(this.interactionPrompt===Nm&&this.cameraControls&&!this[ug]?this[hg]=!0:this[ig]()),e.has("interactionPromptStyle")&&(this[eg].style.opacity=this.interactionPromptStyle==Qm?"1":"0"),e.has("touchAction")){const e=this.touchAction;t.applyOptions({touchAction:e}),t.updateTouchActionStyle()}e.has("orbitSensitivity")&&(t.orbitSensitivity=this.orbitSensitivity),e.has("zoomSensitivity")&&(t.zoomSensitivity=this.zoomSensitivity),e.has("panSensitivity")&&(t.panSensitivity=this.panSensitivity),e.has("interpolationDecay")&&(t.setDamperDecayTime(this.interpolationDecay),i.setTargetDamperDecayTime(this.interpolationDecay)),e.has("a11y")&&this[sg](),!0===this[gg]&&Promise.resolve().then((()=>{t.jumpToGoal(),i.jumpToGoal(),this[lg](),this[gg]=!1}))}async updateFraming(){const e=this[wy],t=e.adjustedFoV(e.framedFoVDeg);await e.updateFraming();const i=e.adjustedFoV(e.framedFoVDeg),n=this[Jm].getFieldOfView()/t;this[Jm].setFieldOfView(i*n),this[bg]=!0,this.requestUpdate("maxFieldOfView"),this.requestUpdate("fieldOfView"),this.requestUpdate("minCameraOrbit"),this.requestUpdate("maxCameraOrbit"),this.requestUpdate("cameraOrbit"),await this.updateComplete}interact(e,t,i){const n=this[Sy],r=this[tg];if("1"===r[0].style.opacity)return void console.warn("interact() failed because an existing interaction is running.");const s=new Array;s.push({x:Bm(t.x),y:Bm(t.y)});const a=[{x:s[0].x(0),y:s[0].y(0)}];null!=i&&(s.push({x:Bm(i.x),y:Bm(i.y)}),a.push({x:s[1].x(0),y:s[1].y(0)}));let o=performance.now();const{width:l,height:c}=this[wy],h=this.getBoundingClientRect(),u=e=>{for(const[t,i]of a.entries()){const{style:s}=r[t];s.transform=`translateX(${l*i.x}px) translateY(${c*i.y}px)`,"pointerdown"===e?s.opacity="1":"pointerup"===e&&(s.opacity="0");const a={pointerId:t-5678,pointerType:"touch",target:n,clientX:l*i.x+h.x,clientY:c*i.y+h.y,altKey:!0};n.dispatchEvent(new PointerEvent(e,a))}},d=()=>{const t=this[Ag];if(t!==Rg.AUTOMATIC||!n.isConnected){for(const e of this[tg])e.style.opacity="0";return u("pointercancel"),this.dispatchEvent(new CustomEvent("interact-stopped",{detail:{source:t}})),void document.removeEventListener("visibilitychange",p)}const i=Math.min(1,(performance.now()-o)/e);for(const[e,t]of a.entries())t.x=s[e].x(i),t.y=s[e].y(i);u("pointermove"),i<1?requestAnimationFrame(d):(u("pointerup"),this.dispatchEvent(new CustomEvent("interact-stopped",{detail:{source:Rg.AUTOMATIC}})),document.removeEventListener("visibilitychange",p))},p=()=>{let e=0;"hidden"===document.visibilityState?e=performance.now()-o:o=performance.now()-e};document.addEventListener("visibilitychange",p),u("pointerdown"),this[Ag]=Rg.AUTOMATIC,requestAnimationFrame(d)}[(t=Zm,i=eg,n=tg,r=$m,s=pg,a=dg,o=ug,l=hg,c=Ag,h=Jm,u=mg,d=gg,p=fg,A=bg,m=rg,yg)](e){const t=this[Jm],i=this[wy];i.framedFoVDeg=180*e[0]/Math.PI,t.changeSource=Rg.NONE,t.setFieldOfView(i.adjustedFoV(i.framedFoVDeg)),this[og]()}[vg](e){const t=this[Jm];if(this[bg]){const{theta:t,phi:i}=this.getCameraOrbit();e[0]=t,e[1]=i,this[bg]=!1}t.changeSource=Rg.NONE,t.setOrbit(e[0],e[1],e[2]),this[og]()}[Eg](e){this[Jm].applyOptions({minimumAzimuthalAngle:e[0],minimumPolarAngle:e[1],minimumRadius:e[2]}),this.jumpCameraToGoal()}[xg](e){this[Jm].applyOptions({maximumAzimuthalAngle:e[0],maximumPolarAngle:e[1],maximumRadius:e[2]}),this[ag](e[2]),this.jumpCameraToGoal()}[Sg](e){this[Jm].applyOptions({minimumFieldOfView:180*e[0]/Math.PI}),this.jumpCameraToGoal()}[Cg](e){const t=this[wy].adjustedFoV(180*e[0]/Math.PI);this[Jm].applyOptions({maximumFieldOfView:t}),this.jumpCameraToGoal()}[_g](e){const[t,i,n]=e;this[Ry].arRenderer.isPresenting||this[wy].setTarget(t,i,n),this[Jm].changeSource=Rg.NONE,this[Ry].arRenderer.updateTarget(),this[og]()}[My](e,t){if(super[My](e,t),this[Ry].isPresenting||!this[Uy]())return;const i=this[Jm],n=this[wy],r=performance.now();if(this[hg]&&this.loaded&&r>this[yy]+this.interactionPromptThreshold&&(this[hg]=!1,this[dg]=r,this[Zm].classList.add("visible")),isFinite(this[dg])&&this.interactionPromptStyle===km){const e=(r-this[dg])/5e3%1,t=Dm(e),s=Lm(e);if(this[eg].style.opacity=`${s}`,t!==this[pg]){const e=t*n.width*.05,r=(t-this[pg])*Math.PI/16;this[eg].style.transform=`translateX(${e}px)`,i.changeSource=Rg.AUTOMATIC,i.adjustOrbit(r,0,0),this[pg]=t}}const s=i.update(e,t),a=n.updateTarget(t);(s||a)&&this[lg]()}[ig](){this[hg]=!1,this[Zm].classList.remove("visible"),this[dg]=1/0}[ag](e){const t=Math.max(this[wy].farRadius(),e),i=Math.abs(2*t);this[Jm].updateNearFar(0,i)}[ng](){const{theta:e,phi:t}=this[Jm].getCameraSpherical(this[mg]),i=(4+Math.floor((e%Km+Ym)/jm))%4,n=Math.floor(t/Xm),r=`${Fm[n]}${Pm[i]}`,s=r;s in this[rg]?this[vy](this[rg][s]):this[vy](`View from stage ${r}`)}get[gy](){let e=". Use mouse, touch or arrow keys to move.";return"interaction-prompt"in this[rg]&&(e=`. ${this[rg]["interaction-prompt"]}`),super[gy].replace(/\.$/,"")+(this.cameraControls?e:"")}async[By](e){const t=this[Jm],i=this[wy],n=i.adjustedFoV(i.framedFoVDeg);super[By](e);const r=i.adjustedFoV(i.framedFoVDeg)/n,s=t.getFieldOfView()*(isFinite(r)?r:1);t.updateAspect(this[wy].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),await this.updateComplete,this[Jm].setFieldOfView(s),this.jumpCameraToGoal()}[Ty](){super[Ty](),this[fg]?this[bg]=!0:this[fg]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}[(g=og,f=lg,b=cg,sg)](){if("string"==typeof this.a11y)if(this.a11y.startsWith("{"))try{this[rg]=JSON.parse(this.a11y)}catch(e){console.warn("Error parsing a11y JSON:",e)}else this.a11y.length>0?console.warn("Error not supported format, should be a JSON string:",this.a11y):this[rg]={};else"object"==typeof this.a11y&&null!=this.a11y?this[rg]=Object.assign({},this.a11y):this[rg]={};this[Sy].setAttribute("aria-label",this[gy])}}return Rm([x({type:Boolean,attribute:"camera-controls"})],v.prototype,"cameraControls",void 0),Rm([Im({intrinsics:zm,observeEffects:!0,updateHandler:vg}),x({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],v.prototype,"cameraOrbit",void 0),Rm([Im({intrinsics:qm,observeEffects:!0,updateHandler:_g}),x({type:String,attribute:"camera-target",hasChanged:()=>!0})],v.prototype,"cameraTarget",void 0),Rm([Im({intrinsics:Gm,observeEffects:!0,updateHandler:yg}),x({type:String,attribute:"field-of-view",hasChanged:()=>!0})],v.prototype,"fieldOfView",void 0),Rm([Im({intrinsics:Vm,updateHandler:Eg}),x({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],v.prototype,"minCameraOrbit",void 0),Rm([Im({intrinsics:Wm,updateHandler:xg}),x({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],v.prototype,"maxCameraOrbit",void 0),Rm([Im({intrinsics:Hm,updateHandler:Sg}),x({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],v.prototype,"minFieldOfView",void 0),Rm([Im({intrinsics:Gm,updateHandler:Cg}),x({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],v.prototype,"maxFieldOfView",void 0),Rm([x({type:Number,attribute:"interaction-prompt-threshold"})],v.prototype,"interactionPromptThreshold",void 0),Rm([x({type:String,attribute:"interaction-prompt"})],v.prototype,"interactionPrompt",void 0),Rm([x({type:String,attribute:"interaction-prompt-style"})],v.prototype,"interactionPromptStyle",void 0),Rm([x({type:Number,attribute:"orbit-sensitivity"})],v.prototype,"orbitSensitivity",void 0),Rm([x({type:Number,attribute:"zoom-sensitivity"})],v.prototype,"zoomSensitivity",void 0),Rm([x({type:Number,attribute:"pan-sensitivity"})],v.prototype,"panSensitivity",void 0),Rm([x({type:String,attribute:"touch-action"})],v.prototype,"touchAction",void 0),Rm([x({type:Boolean,attribute:"disable-zoom"})],v.prototype,"disableZoom",void 0),Rm([x({type:Boolean,attribute:"disable-pan"})],v.prototype,"disablePan",void 0),Rm([x({type:Boolean,attribute:"disable-tap"})],v.prototype,"disableTap",void 0),Rm([x({type:Number,attribute:"interpolation-decay"})],v.prototype,"interpolationDecay",void 0),Rm([x()],v.prototype,"a11y",void 0),v})((e=>{var t,i,n,r,s,a,o,l,c,h;class u extends e{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arUsdzMaxTextureSize="auto",this.arPlacement="floor",this.arModes="webxr scene-viewer quick-look",this.iosSrc=null,this.xrEnvironment=!1,this[t]=!1,this[i]=this.shadowRoot.querySelector(".ar-button"),this[n]=document.createElement("a"),this[r]=new Set,this[s]=uE,this[a]=!1,this[o]=e=>{e.preventDefault(),this.activateAR()},this[l]=({status:e})=>{e!==Ug&&this[Ry].arRenderer.presentedScene!==this[wy]||(this.setAttribute("ar-status",e),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:e}})),e===Ug?this.removeAttribute("ar-tracking"):e===Pg&&this.setAttribute("ar-tracking",Qg))},this[c]=({status:e})=>{this.setAttribute("ar-tracking",e),this.dispatchEvent(new CustomEvent("ar-tracking",{detail:{status:e}}))},this[h]=e=>{"_apple_ar_quicklook_button_tapped"==e.data&&this.dispatchEvent(new CustomEvent("quick-look-button-tapped"))}}get canActivateAR(){return this[fE]!==uE}connectedCallback(){super.connectedCallback(),this[Ry].arRenderer.addEventListener("status",this[EE]),this.setAttribute("ar-status",Ug),this[Ry].arRenderer.addEventListener("tracking",this[xE]),this[vE].addEventListener("message",this[SE])}disconnectedCallback(){super.disconnectedCallback(),this[Ry].arRenderer.removeEventListener("status",this[EE]),this[Ry].arRenderer.removeEventListener("tracking",this[xE]),this[vE].removeEventListener("message",this[SE])}update(e){super.update(e),e.has("arScale")&&(this[wy].canScale="fixed"!==this.arScale),e.has("arPlacement")&&(this[wy].updateShadow(),this[Iy]()),e.has("arModes")&&(this[bE]=aE(this.arModes)),(e.has("ar")||e.has("arModes")||e.has("src")||e.has("iosSrc")||e.has("arUsdzMaxTextureSize"))&&this[CE]()}async activateAR(){switch(this[fE]){case lE:await this[mE]();break;case hE:await this[pE]();break;case cE:this[AE]();break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(t=gE,i=dE,n=vE,r=bE,s=fE,a=yE,o=_E,l=EE,c=xE,h=SE,CE)](){var e;let t=uE;if(this.ar){if(null!=this.src)for(const i of this[bE]){if("webxr"===i&&Wh&&!nE&&await this[Ry].arRenderer.supportsPresentation()){t=hE;break}if("scene-viewer"===i&&!rE&&(Kh||navigator.userAgentData&&navigator.userAgentData.getHighEntropyValues&&(null===(e=(await navigator.userAgentData.getHighEntropyValues(["formFactor"])).formFactor)||void 0===e?void 0:e.includes("XR")))){t=cE;break}if("quick-look"===i&&$h){t=lE;break}}t===uE&&null!=this.iosSrc&&$h&&(t=lE)}if(t!==uE)this[dE].classList.add("enabled"),this[dE].addEventListener("click",this[_E]);else if(this[dE].classList.contains("enabled")){this[dE].removeEventListener("click",this[_E]),this[dE].classList.remove("enabled");const e=Ng;this.setAttribute("ar-status",e),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:e}}))}this[fE]=t}async[pE](){console.log("Attempting to present in AR with WebXR..."),await this[wE]();try{this[dE].removeEventListener("click",this[_E]);const{arRenderer:e}=this[Ry];e.placeOnWall="wall"===this.arPlacement,await e.present(this[wy],this.xrEnvironment)}catch(e){console.warn("Error while trying to present in AR with WebXR"),console.error(e),await this[Ry].arRenderer.stopPresenting(),nE=!0,console.warn("Falling back to next ar-mode"),await this[CE](),this.activateAR()}finally{this[CE]()}}async[wE](){this.loaded||(this[yE]=!0,this[_y](),await((e,t,i=null)=>new Promise((n=>{e.addEventListener(t,(function r(s){i&&!i(s)||(n(s),e.removeEventListener(t,r))}))})))(this,"load"),this[yE]=!1)}[Py](){return super[Py]()||this[yE]}[AE](){const e=self.location.toString(),t=new URL(e),i=new URL(this.src,e);i.hash&&(i.hash="");const n=new URLSearchParams(i.search);if(t.hash=sE,n.set("mode","ar_preferred"),n.has("disable_occlusion")||n.set("disable_occlusion","true"),"fixed"===this.arScale&&n.set("resizable","false"),"wall"===this.arPlacement&&n.set("enable_vertical_placement","true"),n.has("sound")){const t=new URL(n.get("sound"),e);n.set("sound",t.toString())}if(n.has("link")){const t=new URL(n.get("link"),e);n.set("link",t.toString())}const r=`intent://arvr.google.com/scene-viewer/1.2?${n.toString()+"&file="+encodeURIComponent(i.toString())}#Intent;scheme=https;package=com.google.android.googlequicksearchbox;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(t.toString())};end;`;self.addEventListener("hashchange",(()=>{self.location.hash===sE&&(rE=!0,self.history.back(),console.warn("Error while trying to present in AR with Scene Viewer"),console.warn("Falling back to next ar-mode"),this[CE]())}),{once:!0}),this[vE].setAttribute("href",r),console.log("Attempting to present in AR with Scene Viewer..."),this[vE].click()}async[mE](){const e=!this.iosSrc;this[dE].classList.remove("enabled");const t=e?await this.prepareUSDZ():this.iosSrc,i=new URL(t,self.location.toString());if(e){const e=self.location.toString(),t=new URL(e),n=new URL(this.src,t);n.hash&&(i.hash=n.hash)}"fixed"===this.arScale&&(i.hash&&(i.hash+="&"),i.hash+="allowsContentScaling=0");const n=this[vE];n.setAttribute("rel","ar");const r=document.createElement("img");n.appendChild(r),n.setAttribute("href",i.toString()),e&&n.setAttribute("download","model.usdz"),n.style.display="none",n.isConnected||this.shadowRoot.appendChild(n),console.log("Attempting to present in AR with Quick Look..."),n.click(),n.removeChild(r),e&&URL.revokeObjectURL(t),this[dE].classList.add("enabled")}async prepareUSDZ(){const e=this[Dy].beginActivity("usdz-conversion");await this[wE]();const{model:t,shadow:i,target:n}=this[wy];if(null==t)return"";let r=!1;null!=i&&(r=i.visible,i.visible=!1),e(.2);const s=new W_;n.remove(t),t.position.copy(n.position),t.updateWorldMatrix(!1,!0);const a=await s.parseAsync(t,{maxTextureSize:isNaN(this.arUsdzMaxTextureSize)?1/0:Math.max(parseInt(this.arUsdzMaxTextureSize),16)});t.position.set(0,0,0),n.add(t);const o=new Blob([a],{type:"model/vnd.usdz+zip"}),l=URL.createObjectURL(o);return e(1),null!=i&&(i.visible=r),l}}return iE([x({type:Boolean,attribute:"ar"})],u.prototype,"ar",void 0),iE([x({type:String,attribute:"ar-scale"})],u.prototype,"arScale",void 0),iE([x({type:String,attribute:"ar-usdz-max-texture-size"})],u.prototype,"arUsdzMaxTextureSize",void 0),iE([x({type:String,attribute:"ar-placement"})],u.prototype,"arPlacement",void 0),iE([x({type:String,attribute:"ar-modes"})],u.prototype,"arModes",void 0),iE([x({type:String,attribute:"ios-src"})],u.prototype,"iosSrc",void 0),iE([x({type:Boolean,attribute:"xr-environment"})],u.prototype,"xrEnvironment",void 0),u})((e=>{var t,i,n,r,s,a,o,l;class c extends e{static set dracoDecoderLocation(e){gp.setDRACODecoderLocation(e)}static get dracoDecoderLocation(){return gp.getDRACODecoderLocation()}static set ktx2TranscoderLocation(e){gp.setKTX2TranscoderLocation(e)}static get ktx2TranscoderLocation(){return gp.getKTX2TranscoderLocation()}static set meshoptDecoderLocation(e){gp.setMeshoptDecoderLocation(e)}static get meshoptDecoderLocation(){return gp.getMeshoptDecoderLocation()}static set lottieLoaderLocation(e){Pf.singleton.textureUtils.lottieLoaderUrl=e}static get lottieLoaderLocation(){return Pf.singleton.textureUtils.lottieLoaderUrl}static mapURLs(e){Pf.singleton.loader[pp].manager.setURLModifier(e)}dismissPoster(){this.loaded?this[PE]():(this[UE]=!0,this[_y]())}showPoster(){const e=this[DE];if(e.classList.contains("show"))return;e.classList.add("show"),this[Sy].classList.remove("show");const t=this[LE];t.removeAttribute("tabindex"),t.removeAttribute("aria-hidden");const i=this.modelIsVisible;this[FE]=!1,this[my](i)}getDimensions(){return Fy(this[wy].size)}getBoundingBoxCenter(){return Fy(this[wy].boundingBox.getCenter(new Ci))}constructor(...e){super(...e),this.poster=null,this.reveal=ME,this.loading=TE,this[t]=!1,this[i]=!1,this[n]=this.shadowRoot.querySelector(".slot.poster"),this[r]=this.shadowRoot.querySelector("#default-poster"),this[s]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[a]=this[LE].getAttribute("aria-label"),this[o]=((e,t)=>{let i=null;const n=(...n)=>{null==i&&(e(...n),i=self.setTimeout((()=>i=null),t))};return n.flush=()=>{null!=i&&(self.clearTimeout(i),i=null)},n})((e=>{const t=this[RE].parentNode;requestAnimationFrame((()=>{this[RE].style.transform=`scaleX(${e})`,0===e&&(t.removeChild(this[RE]),t.appendChild(this[RE])),this[RE].classList.toggle("hide",1===e)}))}),100),this[l]=e=>{const t=e.detail.totalProgress,i=e.detail.reason;1===t&&(this[NE].flush(),this.loaded&&(this[UE]||this.reveal===ME)&&this[PE]()),this[NE](t),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:t,reason:i}}))};const c=self.ModelViewerElement||{},h=c.dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.5.6/";gp.setDRACODecoderLocation(h);const u=c.ktx2TranscoderLocation||"https://www.gstatic.com/basis-universal/versioned/2021-04-15-ba1c3e4/";gp.setKTX2TranscoderLocation(u),c.meshoptDecoderLocation&&gp.setMeshoptDecoderLocation(c.meshoptDecoderLocation);const d=c.lottieLoaderLocation||"https://cdn.jsdelivr.net/npm/three@0.149.0/examples/jsm/loaders/LottieLoader.js";Pf.singleton.textureUtils.lottieLoaderUrl=d}connectedCallback(){super.connectedCallback(),this.loaded||this.showPoster(),this[Dy].addEventListener("progress",this[kE])}disconnectedCallback(){super.disconnectedCallback(),this[Dy].removeEventListener("progress",this[kE])}async updated(e){super.updated(e),e.has("poster")&&null!=this.poster&&(this[LE].style.backgroundImage=`url(${this.poster})`),e.has("alt")&&this[LE].setAttribute("aria-label",this[fy]),(e.has("reveal")||e.has("loading"))&&this[_y]()}[(t=FE,i=UE,n=DE,r=LE,s=RE,a=QE,o=NE,l=kE,Py)](){return!!this.src&&(this[UE]||this.loading===BE||this.reveal===ME&&this[Ay])}[PE](){this[UE]=!1;const e=this[DE];if(!e.classList.contains("show"))return;e.classList.remove("show"),this[Sy].classList.add("show");const t=this.modelIsVisible;this[FE]=!0,this[my](t);const i=this.getRootNode();i&&i.activeElement===this&&this[Sy].focus();const n=this[LE];n.setAttribute("aria-hidden","true"),n.tabIndex=-1,this.dispatchEvent(new CustomEvent("poster-dismissed"))}[Uy](){return super[Uy]()&&this[FE]}}return IE([x({type:String})],c.prototype,"poster",void 0),IE([x({type:String})],c.prototype,"reveal",void 0),IE([x({type:String})],c.prototype,"loading",void 0),c})((e=>{var t;class i extends e{constructor(...e){super(e),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[t]=!0,this[wy].subscribeMixerEvent("loop",(e=>{const t=e.action._loopCount,i=e.action._clip.name,n=e.action._clip.uuid,r=this[wy].markedAnimations.find((e=>e.name===i));if(r){this[wy].updateAnimationLoop(r.name,r.loopMode,r.repetitionCount);const e=this[wy].markedAnimations.filter((e=>e.name!==i));this[wy].markedAnimations=e}this.dispatchEvent(new CustomEvent("loop",{detail:{count:t,name:i,uuid:n}}))})),this[wy].subscribeMixerEvent("finished",(e=>{if(this[wy].appendedAnimations.includes(e.action._clip.name)){const t=this[wy].appendedAnimations.filter((t=>t!==e.action._clip.name));this[wy].appendedAnimations=t}else this[zy]=!0;this.dispatchEvent(new CustomEvent("finished"))}))}get availableAnimations(){return this.loaded?this[wy].animationNames:[]}get duration(){return this[wy].duration}get paused(){return this[zy]}get currentTime(){return this[wy].animationTime}get appendedAnimations(){return this[wy].appendedAnimations}set currentTime(e){this[wy].animationTime=e,this[Iy]()}get timeScale(){return this[wy].animationTimeScale}set timeScale(e){this[wy].animationTimeScale=e}pause(){this[zy]||(this[zy]=!0,this.dispatchEvent(new CustomEvent("pause")))}play(e){this.availableAnimations.length>0&&(this[zy]=!1,this[Oy](e),this.dispatchEvent(new CustomEvent("play")))}appendAnimation(e,t){this.availableAnimations.length>0&&(this[zy]=!1,this[Gy](e,t),this.dispatchEvent(new CustomEvent("append-animation")))}detachAnimation(e,t){this.availableAnimations.length>0&&(this[zy]=!1,this[Hy](e,t),this.dispatchEvent(new CustomEvent("detach-animation")))}[(t=zy,Ty)](){super[Ty](),this[zy]=!0,null!=this.animationName&&this[Oy](),this.autoplay&&this.play()}[My](e,t){super[My](e,t),this[zy]||!this[Uy]()&&!this[Ry].isPresenting||(this[wy].updateAnimation(t/1e3),this[Iy]())}updated(e){super.updated(e),e.has("autoplay")&&this.autoplay&&this.play(),e.has("animationName")&&this[Oy]()}[Oy](e=Vy){var t;const i=null!==(t=e.repetitions)&&void 0!==t?t:1/0,n=e.pingpong?At:1===i?dt:pt;this[wy].playAnimation(this.animationName,this.animationCrossfadeDuration/1e3,n,i),this[zy]&&(this[wy].updateAnimation(0),this[Iy]())}[Gy](e="",t=Wy){var i;const n=null!==(i=t.repetitions)&&void 0!==i?i:1/0,r=t.pingpong?At:1===n?dt:pt,s=!!t.repetitions||"pingpong"in t;this[wy].appendAnimation(e||this.animationName,r,n,t.weight,t.timeScale,t.fade,t.warp,t.relativeWarp,t.time,s),this[zy]&&(this[wy].updateAnimation(0),this[Iy]())}[Hy](e="",t=qy){this[wy].detachAnimation(e||this.animationName,t.fade),this[zy]&&(this[wy].updateAnimation(0),this[Iy]())}}return ky([x({type:Boolean})],i.prototype,"autoplay",void 0),ky([x({type:String,attribute:"animation-name"})],i.prototype,"animationName",void 0),ky([x({type:Number,attribute:"animation-crossfade-duration"})],i.prototype,"animationCrossfadeDuration",void 0),i})(Qy))))))));customElements.define("model-viewer",jE);export{ea as CanvasTexture,Da as FileLoader,Ta as Loader,jE as ModelViewerElement,ce as NearestFilter};
    1082. 

  1082. //# sourceMappingURL=model-viewer.min.js.map
    1083.