[glTF] Remove GLTFLoader for glTF 1.0.

examples/js/loaders/GLTFLoader.js

@@ -1,2215 +0,0 @@
-/**
- * @author Rich Tibbett / https://github.com/richtr
- * @author mrdoob / http://mrdoob.com/
- * @author Tony Parisi / http://www.tonyparisi.com/
- * @author Takahiro / https://github.com/takahirox
- */
-
-THREE.GLTFLoader = ( function () {
-
-	function GLTFLoader( manager ) {
-
-		this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
-
-	}
-
-	GLTFLoader.prototype = {
-
-		constructor: GLTFLoader,
-
-		crossOrigin: 'Anonymous',
-
-		load: function ( url, onLoad, onProgress, onError ) {
-
-			var scope = this;
-
-			var path = this.path && ( typeof this.path === "string" ) ? this.path : THREE.Loader.prototype.extractUrlBase( url );
-
-			var loader = new THREE.FileLoader( scope.manager );
-
-			loader.setResponseType( 'arraybuffer' );
-
-			loader.load( url, function ( data ) {
-
-				scope.parse( data, onLoad, path );
-
-			}, onProgress, onError );
-
-		},
-
-		setCrossOrigin: function ( value ) {
-
-			this.crossOrigin = value;
-
-		},
-
-		setPath: function ( value ) {
-
-			this.path = value;
-
-		},
-
-		parse: function ( data, callback, path ) {
-
-			var content;
-			var extensions = {};
-
-			var magic = convertUint8ArrayToString( new Uint8Array( data, 0, 4 ) );
-
-			if ( magic === BINARY_EXTENSION_HEADER_DEFAULTS.magic ) {
-
-				extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
-				content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
-
-			} else {
-
-				content = convertUint8ArrayToString( new Uint8Array( data ) );
-
-			}
-
-			var json = JSON.parse( content );
-
-			if ( json.extensionsUsed && json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_COMMON ) >= 0 ) {
-
-				extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] = new GLTFMaterialsCommonExtension( json );
-
-			}
-
-			console.time( 'GLTFLoader' );
-
-			var parser = new GLTFParser( json, extensions, {
-
-				path: path || this.path,
-				crossOrigin: this.crossOrigin
-
-			} );
-
-			parser.parse( function ( scene, scenes, cameras, animations ) {
-
-				console.timeEnd( 'GLTFLoader' );
-
-				var glTF = {
-					"scene": scene,
-					"scenes": scenes,
-					"cameras": cameras,
-					"animations": animations
-				};
-
-				callback( glTF );
-
-			} );
-
-		}
-
-	};
-
-	/* GLTFREGISTRY */
-
-	function GLTFRegistry() {
-
-		var objects = {};
-
-		return	{
-
-			get: function ( key ) {
-
-				return objects[ key ];
-
-			},
-
-			add: function ( key, object ) {
-
-				objects[ key ] = object;
-
-			},
-
-			remove: function ( key ) {
-
-				delete objects[ key ];
-
-			},
-
-			removeAll: function () {
-
-				objects = {};
-
-			},
-
-			update: function ( scene, camera ) {
-
-				for ( var name in objects ) {
-
-					var object = objects[ name ];
-
-					if ( object.update ) {
-
-						object.update( scene, camera );
-
-					}
-
-				}
-
-			}
-
-		};
-
-	}
-
-	/* GLTFSHADERS */
-
-	GLTFLoader.Shaders = {
-
-		update: function () {
-
-			console.warn( 'THREE.GLTFLoader.Shaders has been deprecated, and now updates automatically.' );
-
-		}
-
-	};
-
-	/* GLTFSHADER */
-
-	function GLTFShader( targetNode, allNodes ) {
-
-		var boundUniforms = {};
-
-		// bind each uniform to its source node
-
-		var uniforms = targetNode.material.uniforms;
-
-		for ( var uniformId in uniforms ) {
-
-			var uniform = uniforms[ uniformId ];
-
-			if ( uniform.semantic ) {
-
-				var sourceNodeRef = uniform.node;
-
-				var sourceNode = targetNode;
-
-				if ( sourceNodeRef ) {
-
-					sourceNode = allNodes[ sourceNodeRef ];
-
-				}
-
-				boundUniforms[ uniformId ] = {
-					semantic: uniform.semantic,
-					sourceNode: sourceNode,
-					targetNode: targetNode,
-					uniform: uniform
-				};
-
-			}
-
-		}
-
-		this.boundUniforms = boundUniforms;
-		this._m4 = new THREE.Matrix4();
-
-	}
-
-	// Update - update all the uniform values
-	GLTFShader.prototype.update = function ( scene, camera ) {
-
-		var boundUniforms = this.boundUniforms;
-
-		for ( var name in boundUniforms ) {
-
-			var boundUniform = boundUniforms[ name ];
-
-			switch ( boundUniform.semantic ) {
-
-				case "MODELVIEW":
-
-					var m4 = boundUniform.uniform.value;
-					m4.multiplyMatrices( camera.matrixWorldInverse, boundUniform.sourceNode.matrixWorld );
-					break;
-
-				case "MODELVIEWINVERSETRANSPOSE":
-
-					var m3 = boundUniform.uniform.value;
-					this._m4.multiplyMatrices( camera.matrixWorldInverse, boundUniform.sourceNode.matrixWorld );
-					m3.getNormalMatrix( this._m4 );
-					break;
-
-				case "PROJECTION":
-
-					var m4 = boundUniform.uniform.value;
-					m4.copy( camera.projectionMatrix );
-					break;
-
-				case "JOINTMATRIX":
-
-					var m4v = boundUniform.uniform.value;
-
-					for ( var mi = 0; mi < m4v.length; mi ++ ) {
-
-						// So it goes like this:
-						// SkinnedMesh world matrix is already baked into MODELVIEW;
-						// transform joints to local space,
-						// then transform using joint's inverse
-						m4v[ mi ]
-							.getInverse( boundUniform.sourceNode.matrixWorld )
-							.multiply( boundUniform.targetNode.skeleton.bones[ mi ].matrixWorld )
-							.multiply( boundUniform.targetNode.skeleton.boneInverses[ mi ] )
-							.multiply( boundUniform.targetNode.bindMatrix );
-
-					}
-
-					break;
-
-				default :
-
-					console.warn( "Unhandled shader semantic: " + boundUniform.semantic );
-					break;
-
-			}
-
-		}
-
-	};
-
-
-	/* ANIMATION */
-
-	GLTFLoader.Animations = {
-
-		update: function () {
-
-			console.warn( 'THREE.GLTFLoader.Animation has been deprecated. Use THREE.AnimationMixer instead.' );
-
-		}
-
-	};
-
-	/*********************************/
-	/********** EXTENSIONS ***********/
-	/*********************************/
-
-	var EXTENSIONS = {
-		KHR_BINARY_GLTF: 'KHR_binary_glTF',
-		KHR_MATERIALS_COMMON: 'KHR_materials_common'
-	};
-
-	/* MATERIALS COMMON EXTENSION */
-
-	function GLTFMaterialsCommonExtension( json ) {
-
-		this.name = EXTENSIONS.KHR_MATERIALS_COMMON;
-
-		this.lights = {};
-
-		var extension = ( json.extensions && json.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] ) || {};
-		var lights = extension.lights || {};
-
-		for ( var lightId in lights ) {
-
-			var light = lights[ lightId ];
-			var lightNode;
-
-			var lightParams = light[ light.type ];
-			var color = new THREE.Color().fromArray( lightParams.color );
-
-			switch ( light.type ) {
-
-				case "directional":
-					lightNode = new THREE.DirectionalLight( color );
-					lightNode.position.set( 0, 0, 1 );
-					break;
-
-				case "point":
-					lightNode = new THREE.PointLight( color );
-					break;
-
-				case "spot":
-					lightNode = new THREE.SpotLight( color );
-					lightNode.position.set( 0, 0, 1 );
-					break;
-
-				case "ambient":
-					lightNode = new THREE.AmbientLight( color );
-					break;
-
-			}
-
-			if ( lightNode ) {
-
-				this.lights[ lightId ] = lightNode;
-
-			}
-
-		}
-
-	}
-
-	/* BINARY EXTENSION */
-
-	var BINARY_EXTENSION_BUFFER_NAME = 'binary_glTF';
-
-	var BINARY_EXTENSION_HEADER_DEFAULTS = { magic: 'glTF', version: 1, contentFormat: 0 };
-
-	var BINARY_EXTENSION_HEADER_LENGTH = 20;
-
-	function GLTFBinaryExtension( data ) {
-
-		this.name = EXTENSIONS.KHR_BINARY_GLTF;
-
-		var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
-
-		var header = {
-			magic: convertUint8ArrayToString( new Uint8Array( data.slice( 0, 4 ) ) ),
-			version: headerView.getUint32( 4, true ),
-			length: headerView.getUint32( 8, true ),
-			contentLength: headerView.getUint32( 12, true ),
-			contentFormat: headerView.getUint32( 16, true )
-		};
-
-		for ( var key in BINARY_EXTENSION_HEADER_DEFAULTS ) {
-
-			var value = BINARY_EXTENSION_HEADER_DEFAULTS[ key ];
-
-			if ( header[ key ] !== value ) {
-
-				throw new Error( 'Unsupported glTF-Binary header: Expected "%s" to be "%s".', key, value );
-
-			}
-
-		}
-
-		var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH, header.contentLength );
-
-		this.header = header;
-		this.content = convertUint8ArrayToString( contentArray );
-		this.body = data.slice( BINARY_EXTENSION_HEADER_LENGTH + header.contentLength, header.length );
-
-	}
-
-	GLTFBinaryExtension.prototype.loadShader = function ( shader, bufferViews ) {
-
-		var bufferView = bufferViews[ shader.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].bufferView ];
-		var array = new Uint8Array( bufferView );
-
-		return convertUint8ArrayToString( array );
-
-	};
-
-	GLTFBinaryExtension.prototype.loadTextureSourceUri = function ( source, bufferViews ) {
-
-		var metadata = source.extensions[ EXTENSIONS.KHR_BINARY_GLTF ];
-		var bufferView = bufferViews[ metadata.bufferView ];
-		var stringData = convertUint8ArrayToString( new Uint8Array( bufferView ) );
-
-		return 'data:' + metadata.mimeType + ';base64,' + btoa( stringData );
-
-	};
-
-	/*********************************/
-	/********** INTERNALS ************/
-	/*********************************/
-
-	/* CONSTANTS */
-
-	var WEBGL_CONSTANTS = {
-		FLOAT: 5126,
-		//FLOAT_MAT2: 35674,
-		FLOAT_MAT3: 35675,
-		FLOAT_MAT4: 35676,
-		FLOAT_VEC2: 35664,
-		FLOAT_VEC3: 35665,
-		FLOAT_VEC4: 35666,
-		LINEAR: 9729,
-		REPEAT: 10497,
-		SAMPLER_2D: 35678,
-		TRIANGLES: 4,
-		LINES: 1,
-		UNSIGNED_BYTE: 5121,
-		UNSIGNED_SHORT: 5123,
-
-		VERTEX_SHADER: 35633,
-		FRAGMENT_SHADER: 35632
-	};
-
-	var WEBGL_TYPE = {
-		5126: Number,
-		//35674: THREE.Matrix2,
-		35675: THREE.Matrix3,
-		35676: THREE.Matrix4,
-		35664: THREE.Vector2,
-		35665: THREE.Vector3,
-		35666: THREE.Vector4,
-		35678: THREE.Texture
-	};
-
-	var WEBGL_COMPONENT_TYPES = {
-		5120: Int8Array,
-		5121: Uint8Array,
-		5122: Int16Array,
-		5123: Uint16Array,
-		5125: Uint32Array,
-		5126: Float32Array
-	};
-
-	var WEBGL_FILTERS = {
-		9728: THREE.NearestFilter,
-		9729: THREE.LinearFilter,
-		9984: THREE.NearestMipMapNearestFilter,
-		9985: THREE.LinearMipMapNearestFilter,
-		9986: THREE.NearestMipMapLinearFilter,
-		9987: THREE.LinearMipMapLinearFilter
-	};
-
-	var WEBGL_WRAPPINGS = {
-		33071: THREE.ClampToEdgeWrapping,
-		33648: THREE.MirroredRepeatWrapping,
-		10497: THREE.RepeatWrapping
-	};
-
-	var WEBGL_TEXTURE_FORMATS = {
-		6406: THREE.AlphaFormat,
-		6407: THREE.RGBFormat,
-		6408: THREE.RGBAFormat,
-		6409: THREE.LuminanceFormat,
-		6410: THREE.LuminanceAlphaFormat
-	};
-
-	var WEBGL_TEXTURE_DATATYPES = {
-		5121: THREE.UnsignedByteType,
-		32819: THREE.UnsignedShort4444Type,
-		32820: THREE.UnsignedShort5551Type,
-		33635: THREE.UnsignedShort565Type
-	};
-
-	var WEBGL_SIDES = {
-		1028: THREE.BackSide,  // Culling front
-		1029: THREE.FrontSide  // Culling back
-		//1032: THREE.NoSide   // Culling front and back, what to do?
-	};
-
-	var WEBGL_DEPTH_FUNCS = {
-		512: THREE.NeverDepth,
-		513: THREE.LessDepth,
-		514: THREE.EqualDepth,
-		515: THREE.LessEqualDepth,
-		516: THREE.GreaterEqualDepth,
-		517: THREE.NotEqualDepth,
-		518: THREE.GreaterEqualDepth,
-		519: THREE.AlwaysDepth
-	};
-
-	var WEBGL_BLEND_EQUATIONS = {
-		32774: THREE.AddEquation,
-		32778: THREE.SubtractEquation,
-		32779: THREE.ReverseSubtractEquation
-	};
-
-	var WEBGL_BLEND_FUNCS = {
-		0: THREE.ZeroFactor,
-		1: THREE.OneFactor,
-		768: THREE.SrcColorFactor,
-		769: THREE.OneMinusSrcColorFactor,
-		770: THREE.SrcAlphaFactor,
-		771: THREE.OneMinusSrcAlphaFactor,
-		772: THREE.DstAlphaFactor,
-		773: THREE.OneMinusDstAlphaFactor,
-		774: THREE.DstColorFactor,
-		775: THREE.OneMinusDstColorFactor,
-		776: THREE.SrcAlphaSaturateFactor
-		// The followings are not supported by Three.js yet
-		//32769: CONSTANT_COLOR,
-		//32770: ONE_MINUS_CONSTANT_COLOR,
-		//32771: CONSTANT_ALPHA,
-		//32772: ONE_MINUS_CONSTANT_COLOR
-	};
-
-	var WEBGL_TYPE_SIZES = {
-		'SCALAR': 1,
-		'VEC2': 2,
-		'VEC3': 3,
-		'VEC4': 4,
-		'MAT2': 4,
-		'MAT3': 9,
-		'MAT4': 16
-	};
-
-	var PATH_PROPERTIES = {
-		scale: 'scale',
-		translation: 'position',
-		rotation: 'quaternion'
-	};
-
-	var INTERPOLATION = {
-		LINEAR: THREE.InterpolateLinear,
-		STEP: THREE.InterpolateDiscrete
-	};
-
-	var STATES_ENABLES = {
-		2884: 'CULL_FACE',
-		2929: 'DEPTH_TEST',
-		3042: 'BLEND',
-		3089: 'SCISSOR_TEST',
-		32823: 'POLYGON_OFFSET_FILL',
-		32926: 'SAMPLE_ALPHA_TO_COVERAGE'
-	};
-
-	/* UTILITY FUNCTIONS */
-
-	function _each( object, callback, thisObj ) {
-
-		if ( !object ) {
-			return Promise.resolve();
-		}
-
-		var results;
-		var fns = [];
-
-		if ( Object.prototype.toString.call( object ) === '[object Array]' ) {
-
-			results = [];
-
-			var length = object.length;
-
-			for ( var idx = 0; idx < length; idx ++ ) {
-
-				var value = callback.call( thisObj || this, object[ idx ], idx );
-
-				if ( value ) {
-
-					fns.push( value );
-
-					if ( value instanceof Promise ) {
-
-						value.then( function( key, value ) {
-
-							results[ key ] = value;
-
-						}.bind( this, idx ));
-
-					} else {
-
-						results[ idx ] = value;
-
-					}
-
-				}
-
-			}
-
-		} else {
-
-			results = {};
-
-			for ( var key in object ) {
-
-				if ( object.hasOwnProperty( key ) ) {
-
-					var value = callback.call( thisObj || this, object[ key ], key );
-
-					if ( value ) {
-
-						fns.push( value );
-
-						if ( value instanceof Promise ) {
-
-							value.then( function( key, value ) {
-
-								results[ key ] = value;
-
-							}.bind( this, key ));
-
-						} else {
-
-							results[ key ] = value;
-
-						}
-
-					}
-
-				}
-
-			}
-
-		}
-
-		return Promise.all( fns ).then( function() {
-
-			return results;
-
-		});
-
-	}
-
-	function resolveURL( url, path ) {
-
-		// Invalid URL
-		if ( typeof url !== 'string' || url === '' )
-			return '';
-
-		// Absolute URL http://,https://,//
-		if ( /^(https?:)?\/\//i.test( url ) ) {
-
-			return url;
-
-		}
-
-		// Data URI
-		if ( /^data:.*,.*$/i.test( url ) ) {
-
-			return url;
-
-		}
-
-		// Relative URL
-		return ( path || '' ) + url;
-
-	}
-
-	function convertUint8ArrayToString( array ) {
-
-		if ( window.TextDecoder !== undefined ) {
-
-			return new TextDecoder().decode( array );
-
-		}
-
-		// Avoid the String.fromCharCode.apply(null, array) shortcut, which
-		// throws a "maximum call stack size exceeded" error for large arrays.
-
-		var s = '';
-
-		for ( var i = 0, il = array.length; i < il; i ++ ) {
-
-			s += String.fromCharCode( array[ i ] );
-
-		}
-
-		return s;
-
-	}
-
-	// Three.js seems too dependent on attribute names so globally
-	// replace those in the shader code
-	function replaceTHREEShaderAttributes( shaderText, technique ) {
-
-		// Expected technique attributes
-		var attributes = {};
-
-		for ( var attributeId in technique.attributes ) {
-
-			var pname = technique.attributes[ attributeId ];
-
-			var param = technique.parameters[ pname ];
-			var atype = param.type;
-			var semantic = param.semantic;
-
-			attributes[ attributeId ] = {
-				type: atype,
-				semantic: semantic
-			};
-
-		}
-
-		// Figure out which attributes to change in technique
-
-		var shaderParams = technique.parameters;
-		var shaderAttributes = technique.attributes;
-		var params = {};
-
-		for ( var attributeId in attributes ) {
-
-			var pname = shaderAttributes[ attributeId ];
-			var shaderParam = shaderParams[ pname ];
-			var semantic = shaderParam.semantic;
-			if ( semantic ) {
-
-				params[ attributeId ] = shaderParam;
-
-			}
-
-		}
-
-		for ( var pname in params ) {
-
-			var param = params[ pname ];
-			var semantic = param.semantic;
-
-			var regEx = new RegExp( "\\b" + pname + "\\b", "g" );
-
-			switch ( semantic ) {
-
-				case "POSITION":
-
-					shaderText = shaderText.replace( regEx, 'position' );
-					break;
-
-				case "NORMAL":
-
-					shaderText = shaderText.replace( regEx, 'normal' );
-					break;
-
-				case 'TEXCOORD_0':
-				case 'TEXCOORD0':
-				case 'TEXCOORD':
-
-					shaderText = shaderText.replace( regEx, 'uv' );
-					break;
-
-				case 'TEXCOORD_1':
-
-					shaderText = shaderText.replace( regEx, 'uv2' );
-					break;
-
-				case 'COLOR_0':
-				case 'COLOR0':
-				case 'COLOR':
-
-					shaderText = shaderText.replace( regEx, 'color' );
-					break;
-
-				case "WEIGHT":
-
-					shaderText = shaderText.replace( regEx, 'skinWeight' );
-					break;
-
-				case "JOINT":
-
-					shaderText = shaderText.replace( regEx, 'skinIndex' );
-					break;
-
-			}
-
-		}
-
-		return shaderText;
-
-	}
-
-	function createDefaultMaterial() {
-
-		return new THREE.MeshPhongMaterial( {
-			color: 0x00000,
-			emissive: 0x888888,
-			specular: 0x000000,
-			shininess: 0,
-			transparent: false,
-			depthTest: true,
-			side: THREE.FrontSide
-		} );
-
-	}
-
-	// Deferred constructor for RawShaderMaterial types
-	function DeferredShaderMaterial( params ) {
-
-		this.isDeferredShaderMaterial = true;
-
-		this.params = params;
-
-	}
-
-	DeferredShaderMaterial.prototype.create = function () {
-
-		var uniforms = THREE.UniformsUtils.clone( this.params.uniforms );
-
-		for ( var uniformId in this.params.uniforms ) {
-
-			var originalUniform = this.params.uniforms[ uniformId ];
-
-			if ( originalUniform.value instanceof THREE.Texture ) {
-
-				uniforms[ uniformId ].value = originalUniform.value;
-				uniforms[ uniformId ].value.needsUpdate = true;
-
-			}
-
-			uniforms[ uniformId ].semantic = originalUniform.semantic;
-			uniforms[ uniformId ].node = originalUniform.node;
-
-		}
-
-		this.params.uniforms = uniforms;
-
-		return new THREE.RawShaderMaterial( this.params );
-
-	};
-
-	/* GLTF PARSER */
-
-	function GLTFParser( json, extensions, options ) {
-
-		this.json = json || {};
-		this.extensions = extensions || {};
-		this.options = options || {};
-
-		// loader object cache
-		this.cache = new GLTFRegistry();
-
-	}
-
-	GLTFParser.prototype._withDependencies = function ( dependencies ) {
-
-		var _dependencies = {};
-
-		for ( var i = 0; i < dependencies.length; i ++ ) {
-
-			var dependency = dependencies[ i ];
-			var fnName = "load" + dependency.charAt( 0 ).toUpperCase() + dependency.slice( 1 );
-
-			var cached = this.cache.get( dependency );
-
-			if ( cached !== undefined ) {
-
-				_dependencies[ dependency ] = cached;
-
-			} else if ( this[ fnName ] ) {
-
-				var fn = this[ fnName ]();
-				this.cache.add( dependency, fn );
-
-				_dependencies[ dependency ] = fn;
-
-			}
-
-		}
-
-		return _each( _dependencies, function ( dependency ) {
-
-			return dependency;
-
-		} );
-
-	};
-
-	GLTFParser.prototype.parse = function ( callback ) {
-
-		var json = this.json;
-
-		// Clear the loader cache
-		this.cache.removeAll();
-
-		// Fire the callback on complete
-		this._withDependencies( [
-
-			"scenes",
-			"cameras",
-			"animations"
-
-		] ).then( function ( dependencies ) {
-
-			var scenes = [];
-
-			for ( var name in dependencies.scenes ) {
-
-				scenes.push( dependencies.scenes[ name ] );
-
-			}
-
-			var scene = json.scene !== undefined ? dependencies.scenes[ json.scene ] : scenes[ 0 ];
-
-			var cameras = [];
-
-			for ( var name in dependencies.cameras ) {
-
-				var camera = dependencies.cameras[ name ];
-				cameras.push( camera );
-
-			}
-
-			var animations = [];
-
-			for ( var name in dependencies.animations ) {
-
-				animations.push( dependencies.animations[ name ] );
-
-			}
-
-			callback( scene, scenes, cameras, animations );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadShaders = function () {
-
-		var json = this.json;
-		var extensions = this.extensions;
-		var options = this.options;
-
-		return this._withDependencies( [
-
-			"bufferViews"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.shaders, function ( shader ) {
-
-				if ( shader.extensions && shader.extensions[ EXTENSIONS.KHR_BINARY_GLTF ] ) {
-
-					return extensions[ EXTENSIONS.KHR_BINARY_GLTF ].loadShader( shader, dependencies.bufferViews );
-
-				}
-
-				return new Promise( function ( resolve ) {
-
-					var loader = new THREE.FileLoader();
-					loader.setResponseType( 'text' );
-					loader.load( resolveURL( shader.uri, options.path ), function ( shaderText ) {
-
-						resolve( shaderText );
-
-					} );
-
-				} );
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadBuffers = function () {
-
-		var json = this.json;
-		var extensions = this.extensions;
-		var options = this.options;
-
-		return _each( json.buffers, function ( buffer, name ) {
-
-			if ( name === BINARY_EXTENSION_BUFFER_NAME ) {
-
-				return extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body;
-
-			}
-
-			if ( buffer.type === 'arraybuffer' || buffer.type === undefined ) {
-
-				return new Promise( function ( resolve ) {
-
-					var loader = new THREE.FileLoader();
-					loader.setResponseType( 'arraybuffer' );
-					loader.load( resolveURL( buffer.uri, options.path ), function ( buffer ) {
-
-						resolve( buffer );
-
-					} );
-
-				} );
-
-			} else {
-
-				console.warn( 'THREE.GLTFLoader: ' + buffer.type + ' buffer type is not supported' );
-
-			}
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadBufferViews = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"buffers"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.bufferViews, function ( bufferView ) {
-
-				var arraybuffer = dependencies.buffers[ bufferView.buffer ];
-
-				var byteLength = bufferView.byteLength !== undefined ? bufferView.byteLength : 0;
-
-				return arraybuffer.slice( bufferView.byteOffset, bufferView.byteOffset + byteLength );
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadAccessors = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"bufferViews"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.accessors, function ( accessor ) {
-
-				var arraybuffer = dependencies.bufferViews[ accessor.bufferView ];
-				var itemSize = WEBGL_TYPE_SIZES[ accessor.type ];
-				var TypedArray = WEBGL_COMPONENT_TYPES[ accessor.componentType ];
-
-				// For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
-				var elementBytes = TypedArray.BYTES_PER_ELEMENT;
-				var itemBytes = elementBytes * itemSize;
-
-				// The buffer is not interleaved if the stride is the item size in bytes.
-				if ( accessor.byteStride && accessor.byteStride !== itemBytes ) {
-
-					// Use the full buffer if it's interleaved.
-					var array = new TypedArray( arraybuffer );
-
-					// Integer parameters to IB/IBA are in array elements, not bytes.
-					var ib = new THREE.InterleavedBuffer( array, accessor.byteStride / elementBytes );
-
-					return new THREE.InterleavedBufferAttribute( ib, itemSize, accessor.byteOffset / elementBytes );
-
-				} else {
-
-					array = new TypedArray( arraybuffer, accessor.byteOffset, accessor.count * itemSize );
-
-					return new THREE.BufferAttribute( array, itemSize );
-
-				}
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadTextures = function () {
-
-		var json = this.json;
-		var extensions = this.extensions;
-		var options = this.options;
-
-		return this._withDependencies( [
-
-			"bufferViews"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.textures, function ( texture ) {
-
-				if ( texture.source ) {
-
-					return new Promise( function ( resolve ) {
-
-						var source = json.images[ texture.source ];
-						var sourceUri = source.uri;
-
-						if ( source.extensions && source.extensions[ EXTENSIONS.KHR_BINARY_GLTF ] ) {
-
-							sourceUri = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].loadTextureSourceUri( source, dependencies.bufferViews );
-
-						}
-
-						var textureLoader = THREE.Loader.Handlers.get( sourceUri );
-
-						if ( textureLoader === null ) {
-
-							textureLoader = new THREE.TextureLoader();
-
-						}
-
-						textureLoader.setCrossOrigin( options.crossOrigin );
-
-						textureLoader.load( resolveURL( sourceUri, options.path ), function ( _texture ) {
-
-							_texture.flipY = false;
-
-							if ( texture.name !== undefined ) _texture.name = texture.name;
-
-							_texture.format = texture.format !== undefined ? WEBGL_TEXTURE_FORMATS[ texture.format ] : THREE.RGBAFormat;
-
-							if ( texture.internalFormat !== undefined && _texture.format !== WEBGL_TEXTURE_FORMATS[ texture.internalFormat ] ) {
-
-								console.warn( 'THREE.GLTFLoader: Three.js doesn\'t support texture internalFormat which is different from texture format. ' +
-															'internalFormat will be forced to be the same value as format.' );
-
-							}
-
-							_texture.type = texture.type !== undefined ? WEBGL_TEXTURE_DATATYPES[ texture.type ] : THREE.UnsignedByteType;
-
-							if ( texture.sampler ) {
-
-								var sampler = json.samplers[ texture.sampler ];
-
-								_texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || THREE.LinearFilter;
-								_texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || THREE.NearestMipMapLinearFilter;
-								_texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || THREE.RepeatWrapping;
-								_texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || THREE.RepeatWrapping;
-
-							}
-
-							resolve( _texture );
-
-						}, undefined, function () {
-
-							resolve();
-
-						} );
-
-					} );
-
-				}
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadMaterials = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"shaders",
-			"textures"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.materials, function ( material ) {
-
-				var materialType;
-				var materialValues = {};
-				var materialParams = {};
-
-				var khr_material;
-
-				if ( material.extensions && material.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] ) {
-
-					khr_material = material.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ];
-
-				}
-
-				if ( khr_material ) {
-
-					// don't copy over unused values to avoid material warning spam
-					var keys = [ 'ambient', 'emission', 'transparent', 'transparency', 'doubleSided' ];
-
-					switch ( khr_material.technique ) {
-
-						case 'BLINN' :
-						case 'PHONG' :
-							materialType = THREE.MeshPhongMaterial;
-							keys.push( 'diffuse', 'specular', 'shininess' );
-							break;
-
-						case 'LAMBERT' :
-							materialType = THREE.MeshLambertMaterial;
-							keys.push( 'diffuse' );
-							break;
-
-						case 'CONSTANT' :
-						default :
-							materialType = THREE.MeshBasicMaterial;
-							break;
-
-					}
-
-					keys.forEach( function( v ) {
-
-						if ( khr_material.values[ v ] !== undefined ) materialValues[ v ] = khr_material.values[ v ];
-
-					} );
-
-					if ( khr_material.doubleSided || materialValues.doubleSided ) {
-
-						materialParams.side = THREE.DoubleSide;
-
-					}
-
-					if ( khr_material.transparent || materialValues.transparent ) {
-
-						materialParams.transparent = true;
-						materialParams.opacity = ( materialValues.transparency !== undefined ) ? materialValues.transparency : 1;
-
-					}
-
-				} else if ( material.technique === undefined ) {
-
-					materialType = THREE.MeshPhongMaterial;
-
-					Object.assign( materialValues, material.values );
-
-				} else {
-
-					materialType = DeferredShaderMaterial;
-
-					var technique = json.techniques[ material.technique ];
-
-					materialParams.uniforms = {};
-
-					var program = json.programs[ technique.program ];
-
-					if ( program ) {
-
-						materialParams.fragmentShader = dependencies.shaders[ program.fragmentShader ];
-
-						if ( ! materialParams.fragmentShader ) {
-
-							console.warn( "ERROR: Missing fragment shader definition:", program.fragmentShader );
-							materialType = THREE.MeshPhongMaterial;
-
-						}
-
-						var vertexShader = dependencies.shaders[ program.vertexShader ];
-
-						if ( ! vertexShader ) {
-
-							console.warn( "ERROR: Missing vertex shader definition:", program.vertexShader );
-							materialType = THREE.MeshPhongMaterial;
-
-						}
-
-						// IMPORTANT: FIX VERTEX SHADER ATTRIBUTE DEFINITIONS
-						materialParams.vertexShader = replaceTHREEShaderAttributes( vertexShader, technique );
-
-						var uniforms = technique.uniforms;
-
-						for ( var uniformId in uniforms ) {
-
-							var pname = uniforms[ uniformId ];
-							var shaderParam = technique.parameters[ pname ];
-
-							var ptype = shaderParam.type;
-
-							if ( WEBGL_TYPE[ ptype ] ) {
-
-								var pcount = shaderParam.count;
-								var value;
-
-								if ( material.values !== undefined ) value = material.values[ pname ];
-
-								var uvalue = new WEBGL_TYPE[ ptype ]();
-								var usemantic = shaderParam.semantic;
-								var unode = shaderParam.node;
-
-								switch ( ptype ) {
-
-									case WEBGL_CONSTANTS.FLOAT:
-
-										uvalue = shaderParam.value;
-
-										if ( pname == "transparency" ) {
-
-											materialParams.transparent = true;
-
-										}
-
-										if ( value !== undefined ) {
-
-											uvalue = value;
-
-										}
-
-										break;
-
-									case WEBGL_CONSTANTS.FLOAT_VEC2:
-									case WEBGL_CONSTANTS.FLOAT_VEC3:
-									case WEBGL_CONSTANTS.FLOAT_VEC4:
-									case WEBGL_CONSTANTS.FLOAT_MAT3:
-
-										if ( shaderParam && shaderParam.value ) {
-
-											uvalue.fromArray( shaderParam.value );
-
-										}
-
-										if ( value ) {
-
-											uvalue.fromArray( value );
-
-										}
-
-										break;
-
-									case WEBGL_CONSTANTS.FLOAT_MAT2:
-
-										// what to do?
-										console.warn( "FLOAT_MAT2 is not a supported uniform type" );
-										break;
-
-									case WEBGL_CONSTANTS.FLOAT_MAT4:
-
-										if ( pcount ) {
-
-											uvalue = new Array( pcount );
-
-											for ( var mi = 0; mi < pcount; mi ++ ) {
-
-												uvalue[ mi ] = new WEBGL_TYPE[ ptype ]();
-
-											}
-
-											if ( shaderParam && shaderParam.value ) {
-
-												var m4v = shaderParam.value;
-												uvalue.fromArray( m4v );
-
-											}
-
-											if ( value ) {
-
-												uvalue.fromArray( value );
-
-											}
-
-										} else {
-
-											if ( shaderParam && shaderParam.value ) {
-
-												var m4 = shaderParam.value;
-												uvalue.fromArray( m4 );
-
-											}
-
-											if ( value ) {
-
-												uvalue.fromArray( value );
-
-											}
-
-										}
-
-										break;
-
-									case WEBGL_CONSTANTS.SAMPLER_2D:
-
-										if ( value !== undefined ) {
-
-											uvalue = dependencies.textures[ value ];
-
-										} else if ( shaderParam.value !== undefined ) {
-
-											uvalue = dependencies.textures[ shaderParam.value ];
-
-										} else {
-
-											uvalue = null;
-
-										}
-
-										break;
-
-								}
-
-								materialParams.uniforms[ uniformId ] = {
-									value: uvalue,
-									semantic: usemantic,
-									node: unode
-								};
-
-							} else {
-
-								throw new Error( "Unknown shader uniform param type: " + ptype );
-
-							}
-
-						}
-
-						var states = technique.states || {};
-						var enables = states.enable || [];
-						var functions = states.functions || {};
-
-						var enableCullFace = false;
-						var enableDepthTest = false;
-						var enableBlend = false;
-
-						for ( var i = 0, il = enables.length; i < il; i ++ ) {
-
-							var enable = enables[ i ];
-
-							switch ( STATES_ENABLES[ enable ] ) {
-
-								case 'CULL_FACE':
-
-									enableCullFace = true;
-
-									break;
-
-								case 'DEPTH_TEST':
-
-									enableDepthTest = true;
-
-									break;
-
-								case 'BLEND':
-
-									enableBlend = true;
-
-									break;
-
-								// TODO: implement
-								case 'SCISSOR_TEST':
-								case 'POLYGON_OFFSET_FILL':
-								case 'SAMPLE_ALPHA_TO_COVERAGE':
-
-									break;
-
-								default:
-
-									throw new Error( "Unknown technique.states.enable: " + enable );
-
-							}
-
-						}
-
-						if ( enableCullFace ) {
-
-							materialParams.side = functions.cullFace !== undefined ? WEBGL_SIDES[ functions.cullFace ] : THREE.FrontSide;
-
-						} else {
-
-							materialParams.side = THREE.DoubleSide;
-
-						}
-
-						materialParams.depthTest = enableDepthTest;
-						materialParams.depthFunc = functions.depthFunc !== undefined ? WEBGL_DEPTH_FUNCS[ functions.depthFunc ] : THREE.LessDepth;
-						materialParams.depthWrite = functions.depthMask !== undefined ? functions.depthMask[ 0 ] : true;
-
-						materialParams.blending = enableBlend ? THREE.CustomBlending : THREE.NoBlending;
-						materialParams.transparent = enableBlend;
-
-						var blendEquationSeparate = functions.blendEquationSeparate;
-
-						if ( blendEquationSeparate !== undefined ) {
-
-							materialParams.blendEquation = WEBGL_BLEND_EQUATIONS[ blendEquationSeparate[ 0 ] ];
-							materialParams.blendEquationAlpha = WEBGL_BLEND_EQUATIONS[ blendEquationSeparate[ 1 ] ];
-
-						} else {
-
-							materialParams.blendEquation = THREE.AddEquation;
-							materialParams.blendEquationAlpha = THREE.AddEquation;
-
-						}
-
-						var blendFuncSeparate = functions.blendFuncSeparate;
-
-						if ( blendFuncSeparate !== undefined ) {
-
-							materialParams.blendSrc = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 0 ] ];
-							materialParams.blendDst = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 1 ] ];
-							materialParams.blendSrcAlpha = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 2 ] ];
-							materialParams.blendDstAlpha = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 3 ] ];
-
-						} else {
-
-							materialParams.blendSrc = THREE.OneFactor;
-							materialParams.blendDst = THREE.ZeroFactor;
-							materialParams.blendSrcAlpha = THREE.OneFactor;
-							materialParams.blendDstAlpha = THREE.ZeroFactor;
-
-						}
-
-					}
-
-				}
-
-				if ( Array.isArray( materialValues.diffuse ) ) {
-
-					materialParams.color = new THREE.Color().fromArray( materialValues.diffuse );
-
-				} else if ( typeof( materialValues.diffuse ) === 'string' ) {
-
-					materialParams.map = dependencies.textures[ materialValues.diffuse ];
-
-				}
-
-				delete materialParams.diffuse;
-
-				if ( typeof( materialValues.reflective ) === 'string' ) {
-
-					materialParams.envMap = dependencies.textures[ materialValues.reflective ];
-
-				}
-
-				if ( typeof( materialValues.bump ) === 'string' ) {
-
-					materialParams.bumpMap = dependencies.textures[ materialValues.bump ];
-
-				}
-
-				if ( Array.isArray( materialValues.emission ) ) {
-
-					if ( materialType === THREE.MeshBasicMaterial ) {
-
-						materialParams.color = new THREE.Color().fromArray( materialValues.emission );
-
-					} else {
-
-						materialParams.emissive = new THREE.Color().fromArray( materialValues.emission );
-
-					}
-
-				} else if ( typeof( materialValues.emission ) === 'string' ) {
-
-					if ( materialType === THREE.MeshBasicMaterial ) {
-
-						materialParams.map = dependencies.textures[ materialValues.emission ];
-
-					} else {
-
-						materialParams.emissiveMap = dependencies.textures[ materialValues.emission ];
-
-					}
-
-				}
-
-				if ( Array.isArray( materialValues.specular ) ) {
-
-					materialParams.specular = new THREE.Color().fromArray( materialValues.specular );
-
-				} else if ( typeof( materialValues.specular ) === 'string' ) {
-
-					materialParams.specularMap = dependencies.textures[ materialValues.specular ];
-
-				}
-
-				if ( materialValues.shininess !== undefined ) {
-
-					materialParams.shininess = materialValues.shininess;
-
-				}
-
-				var _material = new materialType( materialParams );
-				if ( material.name !== undefined ) _material.name = material.name;
-
-				return _material;
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadMeshes = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"accessors",
-			"materials"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.meshes, function ( mesh ) {
-
-				var group = new THREE.Group();
-				if ( mesh.name !== undefined ) group.name = mesh.name;
-
-				if ( mesh.extras ) group.userData = mesh.extras;
-
-				var primitives = mesh.primitives || [];
-
-				for ( var name in primitives ) {
-
-					var primitive = primitives[ name ];
-
-					if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === undefined ) {
-
-						var geometry = new THREE.BufferGeometry();
-
-						var attributes = primitive.attributes;
-
-						for ( var attributeId in attributes ) {
-
-							var attributeEntry = attributes[ attributeId ];
-
-							if ( ! attributeEntry ) return;
-
-							var bufferAttribute = dependencies.accessors[ attributeEntry ];
-
-							switch ( attributeId ) {
-
-								case 'POSITION':
-									geometry.addAttribute( 'position', bufferAttribute );
-									break;
-
-								case 'NORMAL':
-									geometry.addAttribute( 'normal', bufferAttribute );
-									break;
-
-								case 'TEXCOORD_0':
-								case 'TEXCOORD0':
-								case 'TEXCOORD':
-									geometry.addAttribute( 'uv', bufferAttribute );
-									break;
-
-								case 'TEXCOORD_1':
-									geometry.addAttribute( 'uv2', bufferAttribute );
-									break;
-
-								case 'COLOR_0':
-								case 'COLOR0':
-								case 'COLOR':
-									geometry.addAttribute( 'color', bufferAttribute );
-									break;
-
-								case 'WEIGHT':
-									geometry.addAttribute( 'skinWeight', bufferAttribute );
-									break;
-
-								case 'JOINT':
-									geometry.addAttribute( 'skinIndex', bufferAttribute );
-									break;
-
-							}
-
-						}
-
-						if ( primitive.indices ) {
-
-							geometry.setIndex( dependencies.accessors[ primitive.indices ] );
-
-						}
-
-						var material = dependencies.materials !== undefined ? dependencies.materials[ primitive.material ] : createDefaultMaterial();
-
-						var meshNode = new THREE.Mesh( geometry, material );
-						meshNode.castShadow = true;
-						meshNode.name = ( name === "0" ? group.name : group.name + name );
-
-						if ( primitive.extras ) meshNode.userData = primitive.extras;
-
-						group.add( meshNode );
-
-					} else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
-
-						var geometry = new THREE.BufferGeometry();
-
-						var attributes = primitive.attributes;
-
-						for ( var attributeId in attributes ) {
-
-							var attributeEntry = attributes[ attributeId ];
-
-							if ( ! attributeEntry ) return;
-
-							var bufferAttribute = dependencies.accessors[ attributeEntry ];
-
-							switch ( attributeId ) {
-
-								case 'POSITION':
-									geometry.addAttribute( 'position', bufferAttribute );
-									break;
-
-								case 'COLOR_0':
-								case 'COLOR0':
-								case 'COLOR':
-									geometry.addAttribute( 'color', bufferAttribute );
-									break;
-
-							}
-
-						}
-
-						var material = dependencies.materials[ primitive.material ];
-
-						var meshNode;
-
-						if ( primitive.indices ) {
-
-							geometry.setIndex( dependencies.accessors[ primitive.indices ] );
-
-							meshNode = new THREE.LineSegments( geometry, material );
-
-						} else {
-
-							meshNode = new THREE.Line( geometry, material );
-
-						}
-
-						meshNode.name = ( name === "0" ? group.name : group.name + name );
-
-						if ( primitive.extras ) meshNode.userData = primitive.extras;
-
-						group.add( meshNode );
-
-					} else {
-
-						console.warn( "Only triangular and line primitives are supported" );
-
-					}
-
-				}
-
-				return group;
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadCameras = function () {
-
-		var json = this.json;
-
-		return _each( json.cameras, function ( camera ) {
-
-			if ( camera.type == "perspective" && camera.perspective ) {
-
-				var yfov = camera.perspective.yfov;
-				var aspectRatio = camera.perspective.aspectRatio !== undefined ? camera.perspective.aspectRatio : 1;
-
-				// According to COLLADA spec...
-				// aspectRatio = xfov / yfov
-				var xfov = yfov * aspectRatio;
-
-				var _camera = new THREE.PerspectiveCamera( THREE.Math.radToDeg( xfov ), aspectRatio, camera.perspective.znear || 1, camera.perspective.zfar || 2e6 );
-				if ( camera.name !== undefined ) _camera.name = camera.name;
-
-				if ( camera.extras ) _camera.userData = camera.extras;
-
-				return _camera;
-
-			} else if ( camera.type == "orthographic" && camera.orthographic ) {
-
-				var _camera = new THREE.OrthographicCamera( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, camera.orthographic.znear, camera.orthographic.zfar );
-				if ( camera.name !== undefined ) _camera.name = camera.name;
-
-				if ( camera.extras ) _camera.userData = camera.extras;
-
-				return _camera;
-
-			}
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadSkins = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"accessors"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.skins, function ( skin ) {
-
-				var bindShapeMatrix = new THREE.Matrix4();
-
-				if ( skin.bindShapeMatrix !== undefined ) bindShapeMatrix.fromArray( skin.bindShapeMatrix );
-
-				var _skin = {
-					bindShapeMatrix: bindShapeMatrix,
-					jointNames: skin.jointNames,
-					inverseBindMatrices: dependencies.accessors[ skin.inverseBindMatrices ]
-				};
-
-				return _skin;
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadAnimations = function () {
-
-		var json = this.json;
-
-		return this._withDependencies( [
-
-			"accessors",
-			"nodes"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.animations, function ( animation, animationId ) {
-
-				var tracks = [];
-
-				for ( var channelId in animation.channels ) {
-
-					var channel = animation.channels[ channelId ];
-					var sampler = animation.samplers[ channel.sampler ];
-
-					if ( sampler ) {
-
-						var target = channel.target;
-						var name = target.id;
-						var input = animation.parameters !== undefined ? animation.parameters[ sampler.input ] : sampler.input;
-						var output = animation.parameters !== undefined ? animation.parameters[ sampler.output ] : sampler.output;
-
-						var inputAccessor = dependencies.accessors[ input ];
-						var outputAccessor = dependencies.accessors[ output ];
-
-						var node = dependencies.nodes[ name ];
-
-						if ( node ) {
-
-							node.updateMatrix();
-							node.matrixAutoUpdate = true;
-
-							var TypedKeyframeTrack = PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.rotation
-								? THREE.QuaternionKeyframeTrack
-								: THREE.VectorKeyframeTrack;
-
-							var targetName = node.name ? node.name : node.uuid;
-							var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear;
-
-							// KeyframeTrack.optimize() will modify given 'times' and 'values'
-							// buffers before creating a truncated copy to keep. Because buffers may
-							// be reused by other tracks, make copies here.
-							tracks.push( new TypedKeyframeTrack(
-								targetName + '.' + PATH_PROPERTIES[ target.path ],
-								THREE.AnimationUtils.arraySlice( inputAccessor.array, 0 ),
-								THREE.AnimationUtils.arraySlice( outputAccessor.array, 0 ),
-								interpolation
-							) );
-
-						}
-
-					}
-
-				}
-
-				var name = animation.name !== undefined ? animation.name : "animation_" + animationId;
-
-				return new THREE.AnimationClip( name, undefined, tracks );
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadNodes = function () {
-
-		var json = this.json;
-		var extensions = this.extensions;
-		var scope = this;
-
-		return _each( json.nodes, function ( node ) {
-
-			var matrix = new THREE.Matrix4();
-
-			var _node;
-
-			if ( node.jointName ) {
-
-				_node = new THREE.Bone();
-				_node.name = node.name !== undefined ? node.name : node.jointName;
-				_node.jointName = node.jointName;
-
-			} else {
-
-				_node = new THREE.Object3D();
-				if ( node.name !== undefined ) _node.name = node.name;
-
-			}
-
-			if ( node.extras ) _node.userData = node.extras;
-
-			if ( node.matrix !== undefined ) {
-
-				matrix.fromArray( node.matrix );
-				_node.applyMatrix( matrix );
-
-			} else {
-
-				if ( node.translation !== undefined ) {
-
-					_node.position.fromArray( node.translation );
-
-				}
-
-				if ( node.rotation !== undefined ) {
-
-					_node.quaternion.fromArray( node.rotation );
-
-				}
-
-				if ( node.scale !== undefined ) {
-
-					_node.scale.fromArray( node.scale );
-
-				}
-
-			}
-
-			return _node;
-
-		} ).then( function ( __nodes ) {
-
-			return scope._withDependencies( [
-
-				"meshes",
-				"skins",
-				"cameras"
-
-			] ).then( function ( dependencies ) {
-
-				return _each( __nodes, function ( _node, nodeId ) {
-
-					var node = json.nodes[ nodeId ];
-
-					if ( node.meshes !== undefined ) {
-
-						for ( var meshId in node.meshes ) {
-
-							var mesh = node.meshes[ meshId ];
-							var group = dependencies.meshes[ mesh ];
-
-							if ( group === undefined ) {
-
-								console.warn( 'GLTFLoader: Couldn\'t find node "' + mesh + '".' );
-								continue;
-
-							}
-
-							for ( var childrenId in group.children ) {
-
-								var child = group.children[ childrenId ];
-
-								// clone Mesh to add to _node
-
-								var originalMaterial = child.material;
-								var originalGeometry = child.geometry;
-								var originalUserData = child.userData;
-								var originalName = child.name;
-
-								var material;
-
-								if ( originalMaterial.isDeferredShaderMaterial ) {
-
-									originalMaterial = material = originalMaterial.create();
-
-								} else {
-
-									material = originalMaterial;
-
-								}
-
-								switch ( child.type ) {
-
-									case 'LineSegments':
-										child = new THREE.LineSegments( originalGeometry, material );
-										break;
-
-									case 'LineLoop':
-										child = new THREE.LineLoop( originalGeometry, material );
-										break;
-
-									case 'Line':
-										child = new THREE.Line( originalGeometry, material );
-										break;
-
-									default:
-										child = new THREE.Mesh( originalGeometry, material );
-
-								}
-
-								child.castShadow = true;
-								child.userData = originalUserData;
-								child.name = originalName;
-
-								var skinEntry;
-
-								if ( node.skin ) {
-
-									skinEntry = dependencies.skins[ node.skin ];
-
-								}
-
-								// Replace Mesh with SkinnedMesh in library
-								if ( skinEntry ) {
-
-									var getJointNode = function ( jointId ) {
-
-										var keys = Object.keys( __nodes );
-
-										for ( var i = 0, il = keys.length; i < il; i ++ ) {
-
-											var n = __nodes[ keys[ i ] ];
-
-											if ( n.jointName === jointId ) return n;
-
-										}
-
-										return null;
-
-									};
-
-									var geometry = originalGeometry;
-									var material = originalMaterial;
-									material.skinning = true;
-
-									child = new THREE.SkinnedMesh( geometry, material );
-									child.castShadow = true;
-									child.userData = originalUserData;
-									child.name = originalName;
-
-									var bones = [];
-									var boneInverses = [];
-
-									for ( var i = 0, l = skinEntry.jointNames.length; i < l; i ++ ) {
-
-										var jointId = skinEntry.jointNames[ i ];
-										var jointNode = getJointNode( jointId );
-
-										if ( jointNode ) {
-
-											bones.push( jointNode );
-
-											var m = skinEntry.inverseBindMatrices.array;
-											var mat = new THREE.Matrix4().fromArray( m, i * 16 );
-											boneInverses.push( mat );
-
-										} else {
-
-											console.warn( "WARNING: joint: '" + jointId + "' could not be found" );
-
-										}
-
-									}
-
-									child.bind( new THREE.Skeleton( bones, boneInverses ), skinEntry.bindShapeMatrix );
-
-									var buildBoneGraph = function ( parentJson, parentObject, property ) {
-
-										var children = parentJson[ property ];
-
-										if ( children === undefined ) return;
-
-										for ( var i = 0, il = children.length; i < il; i ++ ) {
-
-											var nodeId = children[ i ];
-											var bone = __nodes[ nodeId ];
-											var boneJson = json.nodes[ nodeId ];
-
-											if ( bone !== undefined && bone.isBone === true && boneJson !== undefined ) {
-
-												parentObject.add( bone );
-												buildBoneGraph( boneJson, bone, 'children' );
-
-											}
-
-										}
-
-									};
-
-									buildBoneGraph( node, child, 'skeletons' );
-
-								}
-
-								_node.add( child );
-
-							}
-
-						}
-
-					}
-
-					if ( node.camera !== undefined ) {
-
-						var camera = dependencies.cameras[ node.camera ];
-
-						_node.add( camera );
-
-					}
-
-					if ( node.extensions
-							 && node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ]
-							 && node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].light ) {
-
-						var extensionLights = extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].lights;
-						var light = extensionLights[ node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].light ];
-
-						_node.add( light );
-
-					}
-
-					return _node;
-
-				} );
-
-			} );
-
-		} );
-
-	};
-
-	GLTFParser.prototype.loadScenes = function () {
-
-		var json = this.json;
-
-		// scene node hierachy builder
-
-		function buildNodeHierachy( nodeId, parentObject, allNodes ) {
-
-			var _node = allNodes[ nodeId ];
-			parentObject.add( _node );
-
-			var node = json.nodes[ nodeId ];
-
-			if ( node.children ) {
-
-				var children = node.children;
-
-				for ( var i = 0, l = children.length; i < l; i ++ ) {
-
-					var child = children[ i ];
-					buildNodeHierachy( child, _node, allNodes );
-
-				}
-
-			}
-
-		}
-
-		return this._withDependencies( [
-
-			"nodes"
-
-		] ).then( function ( dependencies ) {
-
-			return _each( json.scenes, function ( scene ) {
-
-				var _scene = new THREE.Scene();
-				if ( scene.name !== undefined ) _scene.name = scene.name;
-
-				if ( scene.extras ) _scene.userData = scene.extras;
-
-				var nodes = scene.nodes || [];
-
-				for ( var i = 0, l = nodes.length; i < l; i ++ ) {
-
-					var nodeId = nodes[ i ];
-					buildNodeHierachy( nodeId, _scene, dependencies.nodes );
-
-				}
-
-				_scene.traverse( function ( child ) {
-
-					// Register raw material meshes with GLTFLoader.Shaders
-					if ( child.material && child.material.isRawShaderMaterial ) {
-
-						child.gltfShader = new GLTFShader( child, dependencies.nodes );
-						child.onBeforeRender = function(renderer, scene, camera){
-							this.gltfShader.update(scene, camera);
-						};
-
-					}
-
-				} );
-
-				return _scene;
-
-			} );
-
-		} );
-
-	};
-
-	return GLTFLoader;
-
-} )();