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babylon.glTF1FileLoader.min.js

babylon.glTF1FileLoader.min.js 48 KB
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  1. !function(e,r){"object"==typeof exports&&"object"==typeof module?module.exports=r(require("babylonjs")):"function"==typeof define&&define.amd?define("babylonjs-loaders",["babylonjs"],r):"object"==typeof exports?exports["babylonjs-loaders"]=r(require("babylonjs")):e.LOADERS=r(e.BABYLON)}("undefined"!=typeof self?self:"undefined"!=typeof global?global:this,function(e){return function(e){var r={};function n(t){if(r[t])return r[t].exports;var o=r[t]={i:t,l:!1,exports:{}};return e[t].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=r,n.d=function(e,r,t){n.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,r){if(1&r&&(e=n(e)),8&r)return e;if(4&r&&"object"==typeof e&&e&&e.__esModule)return e;var t=Object.create(null);if(n.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:e}),2&r&&"string"!=typeof e)for(var o in e)n.d(t,o,function(r){return e[r]}.bind(null,o));return t},n.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(r,"a",r),r},n.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},n.p="",n(n.s=15)}([function(r,n){r.exports=e},,function(e,r,n){"use strict";n.r(r),n.d(r,"GLTFLoaderCoordinateSystemMode",function(){return t}),n.d(r,"GLTFLoaderAnimationStartMode",function(){return o}),n.d(r,"GLTFLoaderState",function(){return i}),n.d(r,"GLTFFileLoader",function(){return s});var t,o,i,a=n(0);!function(e){e[e.AUTO=0]="AUTO",e[e.FORCE_RIGHT_HANDED=1]="FORCE_RIGHT_HANDED"}(t||(t={})),function(e){e[e.NONE=0]="NONE",e[e.FIRST=1]="FIRST",e[e.ALL=2]="ALL"}(o||(o={})),function(e){e[e.LOADING=0]="LOADING",e[e.READY=1]="READY",e[e.COMPLETE=2]="COMPLETE"}(i||(i={}));var s=function(){function e(){this.onParsedObservable=new a.Observable,this.coordinateSystemMode=t.AUTO,this.animationStartMode=o.FIRST,this.compileMaterials=!1,this.useClipPlane=!1,this.compileShadowGenerators=!1,this.transparencyAsCoverage=!1,this.preprocessUrlAsync=function(e){return Promise.resolve(e)},this.onMeshLoadedObservable=new a.Observable,this.onTextureLoadedObservable=new a.Observable,this.onMaterialLoadedObservable=new a.Observable,this.onCameraLoadedObservable=new a.Observable,this.onCompleteObservable=new a.Observable,this.onErrorObservable=new a.Observable,this.onDisposeObservable=new a.Observable,this.onExtensionLoadedObservable=new a.Observable,this.validate=!1,this.onValidatedObservable=new a.Observable,this._loader=null,this.name="gltf",this.extensions={".gltf":{isBinary:!1},".glb":{isBinary:!0}},this._logIndentLevel=0,this._loggingEnabled=!1,this._log=this._logDisabled,this._capturePerformanceCounters=!1,this._startPerformanceCounter=this._startPerformanceCounterDisabled,this._endPerformanceCounter=this._endPerformanceCounterDisabled}return Object.defineProperty(e.prototype,"onParsed",{set:function(e){this._onParsedObserver&&this.onParsedObservable.remove(this._onParsedObserver),this._onParsedObserver=this.onParsedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onMeshLoaded",{set:function(e){this._onMeshLoadedObserver&&this.onMeshLoadedObservable.remove(this._onMeshLoadedObserver),this._onMeshLoadedObserver=this.onMeshLoadedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onTextureLoaded",{set:function(e){this._onTextureLoadedObserver&&this.onTextureLoadedObservable.remove(this._onTextureLoadedObserver),this._onTextureLoadedObserver=this.onTextureLoadedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onMaterialLoaded",{set:function(e){this._onMaterialLoadedObserver&&this.onMaterialLoadedObservable.remove(this._onMaterialLoadedObserver),this._onMaterialLoadedObserver=this.onMaterialLoadedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onCameraLoaded",{set:function(e){this._onCameraLoadedObserver&&this.onCameraLoadedObservable.remove(this._onCameraLoadedObserver),this._onCameraLoadedObserver=this.onCameraLoadedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onComplete",{set:function(e){this._onCompleteObserver&&this.onCompleteObservable.remove(this._onCompleteObserver),this._onCompleteObserver=this.onCompleteObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onError",{set:function(e){this._onErrorObserver&&this.onErrorObservable.remove(this._onErrorObserver),this._onErrorObserver=this.onErrorObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onDispose",{set:function(e){this._onDisposeObserver&&this.onDisposeObservable.remove(this._onDisposeObserver),this._onDisposeObserver=this.onDisposeObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onExtensionLoaded",{set:function(e){this._onExtensionLoadedObserver&&this.onExtensionLoadedObservable.remove(this._onExtensionLoadedObserver),this._onExtensionLoadedObserver=this.onExtensionLoadedObservable.add(e)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"loggingEnabled",{get:function(){return this._loggingEnabled},set:function(e){this._loggingEnabled!==e&&(this._loggingEnabled=e,this._loggingEnabled?this._log=this._logEnabled:this._log=this._logDisabled)},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"capturePerformanceCounters",{get:function(){return this._capturePerformanceCounters},set:function(e){this._capturePerformanceCounters!==e&&(this._capturePerformanceCounters=e,this._capturePerformanceCounters?(this._startPerformanceCounter=this._startPerformanceCounterEnabled,this._endPerformanceCounter=this._endPerformanceCounterEnabled):(this._startPerformanceCounter=this._startPerformanceCounterDisabled,this._endPerformanceCounter=this._endPerformanceCounterDisabled))},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"onValidated",{set:function(e){this._onValidatedObserver&&this.onValidatedObservable.remove(this._onValidatedObserver),this._onValidatedObserver=this.onValidatedObservable.add(e)},enumerable:!0,configurable:!0}),e.prototype.dispose=function(){this._loader&&(this._loader.dispose(),this._loader=null),this._clear(),this.onDisposeObservable.notifyObservers(void 0),this.onDisposeObservable.clear()},e.prototype._clear=function(){this.preprocessUrlAsync=function(e){return Promise.resolve(e)},this.onMeshLoadedObservable.clear(),this.onTextureLoadedObservable.clear(),this.onMaterialLoadedObservable.clear(),this.onCameraLoadedObservable.clear(),this.onCompleteObservable.clear(),this.onExtensionLoadedObservable.clear()},e.prototype.importMeshAsync=function(e,r,n,t,o,i){var a=this;return this._parseAsync(r,n,t,i).then(function(n){return a._log("Loading "+(i||"")),a._loader=a._getLoader(n),a._loader.importMeshAsync(e,r,n,t,o,i)})},e.prototype.loadAsync=function(e,r,n,t,o){var i=this;return this._parseAsync(e,r,n,o).then(function(r){return i._log("Loading "+(o||"")),i._loader=i._getLoader(r),i._loader.loadAsync(e,r,n,t,o)})},e.prototype.loadAssetContainerAsync=function(e,r,n,t,o){var i=this;return this._parseAsync(e,r,n,o).then(function(r){i._log("Loading "+(o||"")),i._loader=i._getLoader(r);var s=[];i.onMaterialLoadedObservable.add(function(e){s.push(e)});var u=[];return i.onTextureLoadedObservable.add(function(e){u.push(e)}),i._loader.importMeshAsync(null,e,r,n,t,o).then(function(r){var n=new a.AssetContainer(e);return Array.prototype.push.apply(n.meshes,r.meshes),Array.prototype.push.apply(n.particleSystems,r.particleSystems),Array.prototype.push.apply(n.skeletons,r.skeletons),Array.prototype.push.apply(n.animationGroups,r.animationGroups),Array.prototype.push.apply(n.materials,s),Array.prototype.push.apply(n.textures,u),n.removeAllFromScene(),n})})},e.prototype.canDirectLoad=function(e){return-1!==e.indexOf("scene")&&-1!==e.indexOf("node")},e.prototype.createPlugin=function(){return new e},Object.defineProperty(e.prototype,"loaderState",{get:function(){return this._loader?this._loader.state:null},enumerable:!0,configurable:!0}),e.prototype.whenCompleteAsync=function(){var e=this;return new Promise(function(r,n){e.onCompleteObservable.addOnce(function(){r()}),e.onErrorObservable.addOnce(function(e){n(e)})})},e.prototype._parseAsync=function(e,r,n,t){var o=this;return Promise.resolve().then(function(){var i=r instanceof ArrayBuffer?o._unpackBinary(r):{json:r,bin:null};return o._validateAsync(e,i.json,n,t).then(function(){o._startPerformanceCounter("Parse JSON"),o._log("JSON length: "+i.json.length);var e={json:JSON.parse(i.json),bin:i.bin};return o._endPerformanceCounter("Parse JSON"),o.onParsedObservable.notifyObservers(e),o.onParsedObservable.clear(),e})})},e.prototype._validateAsync=function(e,r,n,t){var o=this;if(!this.validate||"undefined"==typeof GLTFValidator)return Promise.resolve();this._startPerformanceCounter("Validate JSON");var i={externalResourceFunction:function(r){return o.preprocessUrlAsync(n+r).then(function(r){return e._loadFileAsync(r,!0,!0)}).then(function(e){return new Uint8Array(e)})}};return t&&"data:"!==t.substr(0,5)&&(i.uri="file:"===n?t:""+n+t),GLTFValidator.validateString(r,i).then(function(e){o._endPerformanceCounter("Validate JSON"),o.onValidatedObservable.notifyObservers(e),o.onValidatedObservable.clear()},function(e){o._endPerformanceCounter("Validate JSON"),a.Tools.Warn("Failed to validate: "+e),o.onValidatedObservable.clear()})},e.prototype._getLoader=function(r){var n=r.json.asset||{};this._log("Asset version: "+n.version),n.minVersion&&this._log("Asset minimum version: "+n.minVersion),n.generator&&this._log("Asset generator: "+n.generator);var t=e._parseVersion(n.version);if(!t)throw new Error("Invalid version: "+n.version);if(void 0!==n.minVersion){var o=e._parseVersion(n.minVersion);if(!o)throw new Error("Invalid minimum version: "+n.minVersion);if(e._compareVersion(o,{major:2,minor:0})>0)throw new Error("Incompatible minimum version: "+n.minVersion)}var i={1:e._CreateGLTF1Loader,2:e._CreateGLTF2Loader}[t.major];if(!i)throw new Error("Unsupported version: "+n.version);return i(this)},e.prototype._unpackBinary=function(e){this._startPerformanceCounter("Unpack binary"),this._log("Binary length: "+e.byteLength);var r=new u(e),n=r.readUint32();if(1179937895!==n)throw new Error("Unexpected magic: "+n);var t,o=r.readUint32();switch(this.loggingEnabled&&this._log("Binary version: "+o),o){case 1:t=this._unpackBinaryV1(r);break;case 2:t=this._unpackBinaryV2(r);break;default:throw new Error("Unsupported version: "+o)}return this._endPerformanceCounter("Unpack binary"),t},e.prototype._unpackBinaryV1=function(r){var n=r.readUint32();if(n!=r.getLength())throw new Error("Length in header does not match actual data length: "+n+" != "+r.getLength());var t,o=r.readUint32(),i=r.readUint32();switch(i){case 0:t=e._decodeBufferToText(r.readUint8Array(o));break;default:throw new Error("Unexpected content format: "+i)}var a=r.getLength()-r.getPosition();return{json:t,bin:r.readUint8Array(a)}},e.prototype._unpackBinaryV2=function(r){var n=1313821514,t=5130562,o=r.readUint32();if(o!==r.getLength())throw new Error("Length in header does not match actual data length: "+o+" != "+r.getLength());var i=r.readUint32();if(r.readUint32()!==n)throw new Error("First chunk format is not JSON");for(var a=e._decodeBufferToText(r.readUint8Array(i)),s=null;r.getPosition()<r.getLength();){var u=r.readUint32();switch(r.readUint32()){case n:throw new Error("Unexpected JSON chunk");case t:s=r.readUint8Array(u);break;default:r.skipBytes(u)}}return{json:a,bin:s}},e._parseVersion=function(e){if("1.0"===e||"1.0.1"===e)return{major:1,minor:0};var r=(e+"").match(/^(\d+)\.(\d+)/);return r?{major:parseInt(r[1]),minor:parseInt(r[2])}:null},e._compareVersion=function(e,r){return e.major>r.major?1:e.major<r.major?-1:e.minor>r.minor?1:e.minor<r.minor?-1:0},e._decodeBufferToText=function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var r="",n=e.byteLength,t=0;t<n;t++)r+=String.fromCharCode(e[t]);return r},e.prototype._logOpen=function(e){this._log(e),this._logIndentLevel++},e.prototype._logClose=function(){--this._logIndentLevel},e.prototype._logEnabled=function(r){var n=e._logSpaces.substr(0,2*this._logIndentLevel);a.Tools.Log(""+n+r)},e.prototype._logDisabled=function(e){},e.prototype._startPerformanceCounterEnabled=function(e){a.Tools.StartPerformanceCounter(e)},e.prototype._startPerformanceCounterDisabled=function(e){},e.prototype._endPerformanceCounterEnabled=function(e){a.Tools.EndPerformanceCounter(e)},e.prototype._endPerformanceCounterDisabled=function(e){},e.IncrementalLoading=!0,e.HomogeneousCoordinates=!1,e._logSpaces="                                ",e}(),u=function(){function e(e){this._arrayBuffer=e,this._dataView=new DataView(e),this._byteOffset=0}return e.prototype.getPosition=function(){return this._byteOffset},e.prototype.getLength=function(){return this._arrayBuffer.byteLength},e.prototype.readUint32=function(){var e=this._dataView.getUint32(this._byteOffset,!0);return this._byteOffset+=4,e},e.prototype.readUint8Array=function(e){var r=new Uint8Array(this._arrayBuffer,this._byteOffset,e);return this._byteOffset+=e,r},e.prototype.skipBytes=function(e){this._byteOffset+=e},e}();a.SceneLoader&&a.SceneLoader.RegisterPlugin(new s)},function(e,r){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(e){"object"==typeof window&&(n=window)}e.exports=n},,,function(e,r,n){"use strict";n.r(r);
    2. 

  2. /*! *****************************************************************************
    3. 

  3. Copyright (c) Microsoft Corporation. All rights reserved.
    4. 

  4. Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    5. 

  5. this file except in compliance with the License. You may obtain a copy of the
    6. 

  6. License at http://www.apache.org/licenses/LICENSE-2.0
    7. 

  7. 

  8. THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    9. 

  9. KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    10. 

  10. WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    11. 

  11. MERCHANTABLITY OR NON-INFRINGEMENT.
    12. 

  12. 

  13. See the Apache Version 2.0 License for specific language governing permissions
    14. 

  14. and limitations under the License.
    15. 

  15. ***************************************************************************** */
    16. 

  16. var t=function(e,r){return(t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,r){e.__proto__=r}||function(e,r){for(var n in r)r.hasOwnProperty(n)&&(e[n]=r[n])})(e,r)};function o(e,r){function n(){this.constructor=e}t(e,r),e.prototype=null===r?Object.create(r):(n.prototype=r.prototype,new n)}var i,a,s,u,l,c,f,d;!function(e){e[e.BYTE=5120]="BYTE",e[e.UNSIGNED_BYTE=5121]="UNSIGNED_BYTE",e[e.SHORT=5122]="SHORT",e[e.UNSIGNED_SHORT=5123]="UNSIGNED_SHORT",e[e.FLOAT=5126]="FLOAT"}(i||(i={})),function(e){e[e.FRAGMENT=35632]="FRAGMENT",e[e.VERTEX=35633]="VERTEX"}(a||(a={})),function(e){e[e.BYTE=5120]="BYTE",e[e.UNSIGNED_BYTE=5121]="UNSIGNED_BYTE",e[e.SHORT=5122]="SHORT",e[e.UNSIGNED_SHORT=5123]="UNSIGNED_SHORT",e[e.INT=5124]="INT",e[e.UNSIGNED_INT=5125]="UNSIGNED_INT",e[e.FLOAT=5126]="FLOAT",e[e.FLOAT_VEC2=35664]="FLOAT_VEC2",e[e.FLOAT_VEC3=35665]="FLOAT_VEC3",e[e.FLOAT_VEC4=35666]="FLOAT_VEC4",e[e.INT_VEC2=35667]="INT_VEC2",e[e.INT_VEC3=35668]="INT_VEC3",e[e.INT_VEC4=35669]="INT_VEC4",e[e.BOOL=35670]="BOOL",e[e.BOOL_VEC2=35671]="BOOL_VEC2",e[e.BOOL_VEC3=35672]="BOOL_VEC3",e[e.BOOL_VEC4=35673]="BOOL_VEC4",e[e.FLOAT_MAT2=35674]="FLOAT_MAT2",e[e.FLOAT_MAT3=35675]="FLOAT_MAT3",e[e.FLOAT_MAT4=35676]="FLOAT_MAT4",e[e.SAMPLER_2D=35678]="SAMPLER_2D"}(s||(s={})),function(e){e[e.CLAMP_TO_EDGE=33071]="CLAMP_TO_EDGE",e[e.MIRRORED_REPEAT=33648]="MIRRORED_REPEAT",e[e.REPEAT=10497]="REPEAT"}(u||(u={})),function(e){e[e.NEAREST=9728]="NEAREST",e[e.LINEAR=9728]="LINEAR",e[e.NEAREST_MIPMAP_NEAREST=9984]="NEAREST_MIPMAP_NEAREST",e[e.LINEAR_MIPMAP_NEAREST=9985]="LINEAR_MIPMAP_NEAREST",e[e.NEAREST_MIPMAP_LINEAR=9986]="NEAREST_MIPMAP_LINEAR",e[e.LINEAR_MIPMAP_LINEAR=9987]="LINEAR_MIPMAP_LINEAR"}(l||(l={})),function(e){e[e.ALPHA=6406]="ALPHA",e[e.RGB=6407]="RGB",e[e.RGBA=6408]="RGBA",e[e.LUMINANCE=6409]="LUMINANCE",e[e.LUMINANCE_ALPHA=6410]="LUMINANCE_ALPHA"}(c||(c={})),function(e){e[e.FRONT=1028]="FRONT",e[e.BACK=1029]="BACK",e[e.FRONT_AND_BACK=1032]="FRONT_AND_BACK"}(f||(f={})),function(e){e[e.ZERO=0]="ZERO",e[e.ONE=1]="ONE",e[e.SRC_COLOR=768]="SRC_COLOR",e[e.ONE_MINUS_SRC_COLOR=769]="ONE_MINUS_SRC_COLOR",e[e.DST_COLOR=774]="DST_COLOR",e[e.ONE_MINUS_DST_COLOR=775]="ONE_MINUS_DST_COLOR",e[e.SRC_ALPHA=770]="SRC_ALPHA",e[e.ONE_MINUS_SRC_ALPHA=771]="ONE_MINUS_SRC_ALPHA",e[e.DST_ALPHA=772]="DST_ALPHA",e[e.ONE_MINUS_DST_ALPHA=773]="ONE_MINUS_DST_ALPHA",e[e.CONSTANT_COLOR=32769]="CONSTANT_COLOR",e[e.ONE_MINUS_CONSTANT_COLOR=32770]="ONE_MINUS_CONSTANT_COLOR",e[e.CONSTANT_ALPHA=32771]="CONSTANT_ALPHA",e[e.ONE_MINUS_CONSTANT_ALPHA=32772]="ONE_MINUS_CONSTANT_ALPHA",e[e.SRC_ALPHA_SATURATE=776]="SRC_ALPHA_SATURATE"}(d||(d={}));var h,m=n(0),p=function(){function e(){}return e.SetMatrix=function(e,r,n,t,o){var i=null;if("MODEL"===n.semantic?i=r.getWorldMatrix():"PROJECTION"===n.semantic?i=e.getProjectionMatrix():"VIEW"===n.semantic?i=e.getViewMatrix():"MODELVIEWINVERSETRANSPOSE"===n.semantic?i=m.Matrix.Transpose(r.getWorldMatrix().multiply(e.getViewMatrix()).invert()):"MODELVIEW"===n.semantic?i=r.getWorldMatrix().multiply(e.getViewMatrix()):"MODELVIEWPROJECTION"===n.semantic?i=r.getWorldMatrix().multiply(e.getTransformMatrix()):"MODELINVERSE"===n.semantic?i=r.getWorldMatrix().invert():"VIEWINVERSE"===n.semantic?i=e.getViewMatrix().invert():"PROJECTIONINVERSE"===n.semantic?i=e.getProjectionMatrix().invert():"MODELVIEWINVERSE"===n.semantic?i=r.getWorldMatrix().multiply(e.getViewMatrix()).invert():"MODELVIEWPROJECTIONINVERSE"===n.semantic?i=r.getWorldMatrix().multiply(e.getTransformMatrix()).invert():"MODELINVERSETRANSPOSE"===n.semantic&&(i=m.Matrix.Transpose(r.getWorldMatrix().invert())),i)switch(n.type){case s.FLOAT_MAT2:o.setMatrix2x2(t,m.Matrix.GetAsMatrix2x2(i));break;case s.FLOAT_MAT3:o.setMatrix3x3(t,m.Matrix.GetAsMatrix3x3(i));break;case s.FLOAT_MAT4:o.setMatrix(t,i)}},e.SetUniform=function(e,r,n,t){switch(t){case s.FLOAT:return e.setFloat(r,n),!0;case s.FLOAT_VEC2:return e.setVector2(r,m.Vector2.FromArray(n)),!0;case s.FLOAT_VEC3:return e.setVector3(r,m.Vector3.FromArray(n)),!0;case s.FLOAT_VEC4:return e.setVector4(r,m.Vector4.FromArray(n)),!0;default:return!1}},e.GetWrapMode=function(e){switch(e){case u.CLAMP_TO_EDGE:return m.Texture.CLAMP_ADDRESSMODE;case u.MIRRORED_REPEAT:return m.Texture.MIRROR_ADDRESSMODE;case u.REPEAT:default:return m.Texture.WRAP_ADDRESSMODE}},e.GetByteStrideFromType=function(e){switch(e.type){case"VEC2":return 2;case"VEC3":return 3;case"VEC4":case"MAT2":return 4;case"MAT3":return 9;case"MAT4":return 16;default:return 1}},e.GetTextureFilterMode=function(e){switch(e){case l.LINEAR:case l.LINEAR_MIPMAP_NEAREST:case l.LINEAR_MIPMAP_LINEAR:return m.Texture.TRILINEAR_SAMPLINGMODE;case l.NEAREST:case l.NEAREST_MIPMAP_NEAREST:return m.Texture.NEAREST_SAMPLINGMODE;default:return m.Texture.BILINEAR_SAMPLINGMODE}},e.GetBufferFromBufferView=function(e,r,n,t,o){n=r.byteOffset+n;var a=e.loadedBufferViews[r.buffer];if(n+t>a.byteLength)throw new Error("Buffer access is out of range");var s=a.buffer;switch(n+=a.byteOffset,o){case i.BYTE:return new Int8Array(s,n,t);case i.UNSIGNED_BYTE:return new Uint8Array(s,n,t);case i.SHORT:return new Int16Array(s,n,t);case i.UNSIGNED_SHORT:return new Uint16Array(s,n,t);default:return new Float32Array(s,n,t)}},e.GetBufferFromAccessor=function(r,n){var t=r.bufferViews[n.bufferView],o=n.count*e.GetByteStrideFromType(n);return e.GetBufferFromBufferView(r,t,n.byteOffset,o,n.componentType)},e.DecodeBufferToText=function(e){for(var r="",n=e.byteLength,t=0;t<n;++t)r+=String.fromCharCode(e[t]);return r},e.GetDefaultMaterial=function(r){if(!e._DefaultMaterial){m.Effect.ShadersStore.GLTFDefaultMaterialVertexShader=["precision highp float;","","uniform mat4 worldView;","uniform mat4 projection;","","attribute vec3 position;","","void main(void)","{","    gl_Position = projection * worldView * vec4(position, 1.0);","}"].join("\n"),m.Effect.ShadersStore.GLTFDefaultMaterialPixelShader=["precision highp float;","","uniform vec4 u_emission;","","void main(void)","{","    gl_FragColor = u_emission;","}"].join("\n");var n={attributes:["position"],uniforms:["worldView","projection","u_emission"],samplers:new Array,needAlphaBlending:!1};e._DefaultMaterial=new m.ShaderMaterial("GLTFDefaultMaterial",r,{vertex:"GLTFDefaultMaterial",fragment:"GLTFDefaultMaterial"},n),e._DefaultMaterial.setColor4("u_emission",new m.Color4(.5,.5,.5,1))}return 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