|
|
@@ -0,0 +1,2183 @@
|
|
|
+/**
|
|
|
+ * @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
|
|
|
+ * @author Don McCurdy / https://www.donmccurdy.com
|
|
|
+ */
|
|
|
+
|
|
|
+THREE.GLTF2Loader = ( function () {
|
|
|
+
|
|
|
+ function GLTF2Loader( manager ) {
|
|
|
+
|
|
|
+ this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTF2Loader.prototype = {
|
|
|
+
|
|
|
+ constructor: GLTF2Loader,
|
|
|
+
|
|
|
+ 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( 'GLTF2Loader' );
|
|
|
+
|
|
|
+ var parser = new GLTFParser( json, extensions, {
|
|
|
+
|
|
|
+ path: path || this.path,
|
|
|
+ crossOrigin: this.crossOrigin
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ parser.parse( function ( scene, scenes, cameras, animations ) {
|
|
|
+
|
|
|
+ console.timeEnd( 'GLTF2Loader' );
|
|
|
+
|
|
|
+ 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 ) {
|
|
|
+
|
|
|
+ // update scene graph
|
|
|
+
|
|
|
+ scene.updateMatrixWorld();
|
|
|
+
|
|
|
+ // update camera matrices and frustum
|
|
|
+
|
|
|
+ camera.updateMatrixWorld();
|
|
|
+ camera.matrixWorldInverse.getInverse( camera.matrixWorld );
|
|
|
+
|
|
|
+ for ( var name in objects ) {
|
|
|
+
|
|
|
+ var object = objects[ name ];
|
|
|
+
|
|
|
+ if ( object.update ) {
|
|
|
+
|
|
|
+ object.update( scene, camera );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /* GLTFSHADERS */
|
|
|
+
|
|
|
+ GLTF2Loader.Shaders = new GLTFRegistry();
|
|
|
+
|
|
|
+ /* 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;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+ /********** 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[ idx ] = value;
|
|
|
+
|
|
|
+ }.bind( this, key ));
|
|
|
+
|
|
|
+ } 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
|
|
|
+ if ( /^https?:\/\//i.test( url ) ) {
|
|
|
+
|
|
|
+ return url;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Data URI
|
|
|
+ if ( /^data:.*,.*$/i.test( url ) ) {
|
|
|
+
|
|
|
+ return url;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Relative URL
|
|
|
+ return ( path || '' ) + url;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Avoid the String.fromCharCode.apply(null, array) shortcut, which
|
|
|
+ // throws a "maximum call stack size exceeded" error for large arrays.
|
|
|
+ function convertUint8ArrayToString( array ) {
|
|
|
+
|
|
|
+ var s = '';
|
|
|
+
|
|
|
+ for ( var i = 0; i < array.length; 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 '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 scene = dependencies.scenes[ json.scene ];
|
|
|
+
|
|
|
+ var scenes = [];
|
|
|
+
|
|
|
+ for ( var name in dependencies.scenes ) {
|
|
|
+
|
|
|
+ scenes.push( dependencies.scenes[ name ] );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ 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.GLTF2Loader: ' + 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.GLTF2Loader: 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.Object3D();
|
|
|
+ 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 '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( 'GLTF2Loader: 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;
|
|
|
+
|
|
|
+ child = new THREE.SkinnedMesh( geometry, material, false );
|
|
|
+ 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, false ), 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 GLTF2Loader.Shaders
|
|
|
+ if ( child.material && child.material.isRawShaderMaterial ) {
|
|
|
+
|
|
|
+ var xshader = new GLTFShader( child, dependencies.nodes );
|
|
|
+ GLTF2Loader.Shaders.add( child.uuid, xshader );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ return _scene;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ return GLTF2Loader;
|
|
|
+
|
|
|
+} )();
|
Dusan Bosnjak