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@@ -1,3768 +0,0 @@
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-import {
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- AnimationClip,
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- Bone,
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- Box3,
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- BufferAttribute,
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- BufferGeometry,
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- CanvasTexture,
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- ClampToEdgeWrapping,
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- Color,
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- DirectionalLight,
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- DoubleSide,
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- FileLoader,
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- FrontSide,
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- Group,
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- ImageBitmapLoader,
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- InterleavedBuffer,
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- InterleavedBufferAttribute,
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- Interpolant,
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- InterpolateDiscrete,
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- InterpolateLinear,
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- Line,
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- LineBasicMaterial,
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- LineLoop,
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- LineSegments,
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- LinearFilter,
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- LinearMipmapLinearFilter,
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- LinearMipmapNearestFilter,
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- Loader,
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- LoaderUtils,
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- Material,
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- MathUtils,
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- Matrix4,
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- Mesh,
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- MeshBasicMaterial,
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- MeshPhysicalMaterial,
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- MeshStandardMaterial,
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- MirroredRepeatWrapping,
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- NearestFilter,
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- NearestMipmapLinearFilter,
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- NearestMipmapNearestFilter,
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- NumberKeyframeTrack,
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- Object3D,
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- OrthographicCamera,
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- PerspectiveCamera,
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- PointLight,
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- Points,
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- PointsMaterial,
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- PropertyBinding,
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- QuaternionKeyframeTrack,
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- RGBFormat,
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- RepeatWrapping,
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- Skeleton,
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- SkinnedMesh,
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- Sphere,
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- SpotLight,
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- TangentSpaceNormalMap,
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- TextureLoader,
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- TriangleFanDrawMode,
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- TriangleStripDrawMode,
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- Vector2,
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- Vector3,
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- VectorKeyframeTrack,
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- sRGBEncoding
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-} from "../../../build/three.module.js";
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-
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-var GLTFLoader = ( function () {
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-
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- function GLTFLoader( manager ) {
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-
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- Loader.call( this, manager );
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-
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- this.dracoLoader = null;
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- this.ddsLoader = null;
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- this.ktx2Loader = null;
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-
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- this.pluginCallbacks = [];
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-
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsClearcoatExtension( parser );
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-
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- } );
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-
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- this.register( function ( parser ) {
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-
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- return new GLTFTextureBasisUExtension( parser );
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-
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- } );
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-
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- this.register( function ( parser ) {
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-
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- return new GLTFMaterialsTransmissionExtension( parser );
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-
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- } );
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-
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- this.register( function ( parser ) {
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-
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- return new GLTFLightsExtension( parser );
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-
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- } );
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-
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- }
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-
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- GLTFLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
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-
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- constructor: GLTFLoader,
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-
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- load: function ( url, onLoad, onProgress, onError ) {
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-
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- var scope = this;
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-
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- var resourcePath;
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-
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- if ( this.resourcePath !== '' ) {
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-
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- resourcePath = this.resourcePath;
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-
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- } else if ( this.path !== '' ) {
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-
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- resourcePath = this.path;
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-
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- } else {
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-
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- resourcePath = LoaderUtils.extractUrlBase( url );
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-
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- }
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-
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- // Tells the LoadingManager to track an extra item, which resolves after
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- // the model is fully loaded. This means the count of items loaded will
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- // be incorrect, but ensures manager.onLoad() does not fire early.
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- this.manager.itemStart( url );
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-
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- var _onError = function ( e ) {
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-
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- if ( onError ) {
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-
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- onError( e );
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-
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- } else {
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-
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- console.error( e );
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-
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- }
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-
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- scope.manager.itemError( url );
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- scope.manager.itemEnd( url );
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-
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- };
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-
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- var loader = new FileLoader( this.manager );
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-
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- loader.setPath( this.path );
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- loader.setResponseType( 'arraybuffer' );
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- loader.setRequestHeader( this.requestHeader );
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- loader.setWithCredentials( this.withCredentials );
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-
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- loader.load( url, function ( data ) {
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-
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- try {
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-
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- scope.parse( data, resourcePath, function ( gltf ) {
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-
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- onLoad( gltf );
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-
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- scope.manager.itemEnd( url );
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-
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- }, _onError );
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-
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- } catch ( e ) {
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-
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- _onError( e );
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-
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- }
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-
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- }, onProgress, _onError );
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-
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- },
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-
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- setDRACOLoader: function ( dracoLoader ) {
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-
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- this.dracoLoader = dracoLoader;
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- return this;
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-
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- },
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-
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- setDDSLoader: function ( ddsLoader ) {
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-
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- this.ddsLoader = ddsLoader;
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- return this;
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-
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- },
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-
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- setKTX2Loader: function ( ktx2Loader ) {
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-
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- this.ktx2Loader = ktx2Loader;
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- return this;
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-
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- },
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-
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- register: function ( callback ) {
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-
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- if ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {
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-
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- this.pluginCallbacks.push( callback );
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-
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- }
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-
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- return this;
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-
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- },
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-
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- unregister: function ( callback ) {
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-
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- if ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {
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-
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- this.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );
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-
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- }
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-
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- return this;
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-
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- },
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-
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- parse: function ( data, path, onLoad, onError ) {
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-
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- var content;
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- var extensions = {};
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- var plugins = {};
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-
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- if ( typeof data === 'string' ) {
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-
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- content = data;
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-
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- } else {
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-
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- var magic = LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );
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-
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- if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {
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-
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- try {
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-
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- extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
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-
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- } catch ( error ) {
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-
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- if ( onError ) onError( error );
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- return;
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-
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- }
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-
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- content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
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-
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- } else {
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-
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- content = LoaderUtils.decodeText( new Uint8Array( data ) );
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-
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- }
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-
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- }
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-
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- var json = JSON.parse( content );
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-
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- if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
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-
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- if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );
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- return;
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-
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- }
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-
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- var parser = new GLTFParser( json, {
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-
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- path: path || this.resourcePath || '',
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- crossOrigin: this.crossOrigin,
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- manager: this.manager,
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- ktx2Loader: this.ktx2Loader
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-
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- } );
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-
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- parser.fileLoader.setRequestHeader( this.requestHeader );
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-
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- for ( var i = 0; i < this.pluginCallbacks.length; i ++ ) {
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-
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- var plugin = this.pluginCallbacks[ i ]( parser );
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- plugins[ plugin.name ] = plugin;
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-
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- // Workaround to avoid determining as unknown extension
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- // in addUnknownExtensionsToUserData().
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- // Remove this workaround if we move all the existing
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- // extension handlers to plugin system
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- extensions[ plugin.name ] = true;
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-
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- }
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-
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- if ( json.extensionsUsed ) {
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-
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- for ( var i = 0; i < json.extensionsUsed.length; ++ i ) {
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-
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- var extensionName = json.extensionsUsed[ i ];
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- var extensionsRequired = json.extensionsRequired || [];
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-
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- switch ( extensionName ) {
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-
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- case EXTENSIONS.KHR_MATERIALS_UNLIT:
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- extensions[ extensionName ] = new GLTFMaterialsUnlitExtension();
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- break;
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-
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- case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
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- extensions[ extensionName ] = new GLTFMaterialsPbrSpecularGlossinessExtension();
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- break;
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-
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- case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
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- extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );
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- break;
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-
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- case EXTENSIONS.MSFT_TEXTURE_DDS:
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- extensions[ extensionName ] = new GLTFTextureDDSExtension( this.ddsLoader );
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- break;
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-
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- case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
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- extensions[ extensionName ] = new GLTFTextureTransformExtension();
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- break;
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-
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- case EXTENSIONS.KHR_MESH_QUANTIZATION:
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- extensions[ extensionName ] = new GLTFMeshQuantizationExtension();
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- break;
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-
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- default:
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-
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- if ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) {
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-
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- console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' );
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-
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- }
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-
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- }
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-
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- }
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-
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- }
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-
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- parser.setExtensions( extensions );
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- parser.setPlugins( plugins );
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- parser.parse( onLoad, onError );
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-
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- }
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-
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- } );
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-
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- /* GLTFREGISTRY */
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-
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- function GLTFRegistry() {
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-
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- var objects = {};
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-
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- return {
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-
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- get: function ( key ) {
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-
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- return objects[ key ];
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-
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- },
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-
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- add: function ( key, object ) {
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-
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- objects[ key ] = object;
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-
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- },
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-
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- remove: function ( key ) {
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-
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- delete objects[ key ];
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-
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- },
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-
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- removeAll: function () {
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-
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- objects = {};
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-
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- }
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-
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- };
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-
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- }
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-
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- /*********************************/
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- /********** EXTENSIONS ***********/
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- /*********************************/
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-
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- var EXTENSIONS = {
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- KHR_BINARY_GLTF: 'KHR_binary_glTF',
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- KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
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- KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
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- KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',
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- KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
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- KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',
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- KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
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- KHR_TEXTURE_BASISU: 'KHR_texture_basisu',
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- KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
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- KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',
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- MSFT_TEXTURE_DDS: 'MSFT_texture_dds'
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- };
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-
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- /**
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- * DDS Texture Extension
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- *
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- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/MSFT_texture_dds
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- *
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- */
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- function GLTFTextureDDSExtension( ddsLoader ) {
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-
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- if ( ! ddsLoader ) {
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-
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- throw new Error( 'THREE.GLTFLoader: Attempting to load .dds texture without importing DDSLoader' );
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-
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- }
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-
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- this.name = EXTENSIONS.MSFT_TEXTURE_DDS;
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- this.ddsLoader = ddsLoader;
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-
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- }
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-
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- /**
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- * Punctual Lights Extension
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- *
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- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual
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- */
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- function GLTFLightsExtension( parser ) {
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-
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- this.parser = parser;
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- this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL;
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-
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- // Object3D instance caches
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- this.cache = { refs: {}, uses: {} };
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-
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- }
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-
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- GLTFLightsExtension.prototype._markDefs = function () {
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-
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- var parser = this.parser;
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- var nodeDefs = this.parser.json.nodes || [];
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-
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- for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
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-
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- var nodeDef = nodeDefs[ nodeIndex ];
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-
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- if ( nodeDef.extensions
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- && nodeDef.extensions[ this.name ]
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- && nodeDef.extensions[ this.name ].light !== undefined ) {
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-
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- parser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );
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-
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- }
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-
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- }
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-
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- };
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-
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- GLTFLightsExtension.prototype._loadLight = function ( lightIndex ) {
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-
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- var parser = this.parser;
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- var cacheKey = 'light:' + lightIndex;
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- var dependency = parser.cache.get( cacheKey );
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-
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- if ( dependency ) return dependency;
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-
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- var json = parser.json;
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- var extensions = ( json.extensions && json.extensions[ this.name ] ) || {};
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- var lightDefs = extensions.lights || [];
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- var lightDef = lightDefs[ lightIndex ];
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- var lightNode;
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-
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- var color = new Color( 0xffffff );
|
|
|
-
|
|
|
- if ( lightDef.color !== undefined ) color.fromArray( lightDef.color );
|
|
|
-
|
|
|
- var range = lightDef.range !== undefined ? lightDef.range : 0;
|
|
|
-
|
|
|
- switch ( lightDef.type ) {
|
|
|
-
|
|
|
- case 'directional':
|
|
|
- lightNode = new DirectionalLight( color );
|
|
|
- lightNode.target.position.set( 0, 0, - 1 );
|
|
|
- lightNode.add( lightNode.target );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'point':
|
|
|
- lightNode = new PointLight( color );
|
|
|
- lightNode.distance = range;
|
|
|
- break;
|
|
|
-
|
|
|
- case 'spot':
|
|
|
- lightNode = new SpotLight( color );
|
|
|
- lightNode.distance = range;
|
|
|
- // Handle spotlight properties.
|
|
|
- lightDef.spot = lightDef.spot || {};
|
|
|
- lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
|
|
|
- lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
|
|
|
- lightNode.angle = lightDef.spot.outerConeAngle;
|
|
|
- lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
|
|
|
- lightNode.target.position.set( 0, 0, - 1 );
|
|
|
- lightNode.add( lightNode.target );
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- throw new Error( 'THREE.GLTFLoader: Unexpected light type, "' + lightDef.type + '".' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Some lights (e.g. spot) default to a position other than the origin. Reset the position
|
|
|
- // here, because node-level parsing will only override position if explicitly specified.
|
|
|
- lightNode.position.set( 0, 0, 0 );
|
|
|
-
|
|
|
- lightNode.decay = 2;
|
|
|
-
|
|
|
- if ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;
|
|
|
-
|
|
|
- lightNode.name = parser.createUniqueName( lightDef.name || ( 'light_' + lightIndex ) );
|
|
|
-
|
|
|
- dependency = Promise.resolve( lightNode );
|
|
|
-
|
|
|
- parser.cache.add( cacheKey, dependency );
|
|
|
-
|
|
|
- return dependency;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFLightsExtension.prototype.createNodeAttachment = function ( nodeIndex ) {
|
|
|
-
|
|
|
- var self = this;
|
|
|
- var parser = this.parser;
|
|
|
- var json = parser.json;
|
|
|
- var nodeDef = json.nodes[ nodeIndex ];
|
|
|
- var lightDef = ( nodeDef.extensions && nodeDef.extensions[ this.name ] ) || {};
|
|
|
- var lightIndex = lightDef.light;
|
|
|
-
|
|
|
- if ( lightIndex === undefined ) return null;
|
|
|
-
|
|
|
- return this._loadLight( lightIndex ).then( function ( light ) {
|
|
|
-
|
|
|
- return parser._getNodeRef( self.cache, lightIndex, light );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Unlit Materials Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit
|
|
|
- */
|
|
|
- function GLTFMaterialsUnlitExtension() {
|
|
|
-
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFMaterialsUnlitExtension.prototype.getMaterialType = function () {
|
|
|
-
|
|
|
- return MeshBasicMaterial;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFMaterialsUnlitExtension.prototype.extendParams = function ( materialParams, materialDef, parser ) {
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- materialParams.color = new Color( 1.0, 1.0, 1.0 );
|
|
|
- materialParams.opacity = 1.0;
|
|
|
-
|
|
|
- var metallicRoughness = materialDef.pbrMetallicRoughness;
|
|
|
-
|
|
|
- if ( metallicRoughness ) {
|
|
|
-
|
|
|
- if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
-
|
|
|
- var array = metallicRoughness.baseColorFactor;
|
|
|
-
|
|
|
- materialParams.color.fromArray( array );
|
|
|
- materialParams.opacity = array[ 3 ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Clearcoat Materials Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat
|
|
|
- */
|
|
|
- function GLTFMaterialsClearcoatExtension( parser ) {
|
|
|
-
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFMaterialsClearcoatExtension.prototype.getMaterialType = function ( materialIndex ) {
|
|
|
-
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[ materialIndex ];
|
|
|
-
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
-
|
|
|
- return MeshPhysicalMaterial;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFMaterialsClearcoatExtension.prototype.extendMaterialParams = function ( materialIndex, materialParams ) {
|
|
|
-
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[ materialIndex ];
|
|
|
-
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
-
|
|
|
- return Promise.resolve();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- var extension = materialDef.extensions[ this.name ];
|
|
|
-
|
|
|
- if ( extension.clearcoatFactor !== undefined ) {
|
|
|
-
|
|
|
- materialParams.clearcoat = extension.clearcoatFactor;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( extension.clearcoatTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( extension.clearcoatRoughnessFactor !== undefined ) {
|
|
|
-
|
|
|
- materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( extension.clearcoatRoughnessTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( extension.clearcoatNormalTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) );
|
|
|
-
|
|
|
- if ( extension.clearcoatNormalTexture.scale !== undefined ) {
|
|
|
-
|
|
|
- var scale = extension.clearcoatNormalTexture.scale;
|
|
|
-
|
|
|
- materialParams.clearcoatNormalScale = new Vector2( scale, scale );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Transmission Materials Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission
|
|
|
- * Draft: https://github.com/KhronosGroup/glTF/pull/1698
|
|
|
- */
|
|
|
- function GLTFMaterialsTransmissionExtension( parser ) {
|
|
|
-
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFMaterialsTransmissionExtension.prototype.getMaterialType = function ( materialIndex ) {
|
|
|
-
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[ materialIndex ];
|
|
|
-
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
-
|
|
|
- return MeshPhysicalMaterial;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFMaterialsTransmissionExtension.prototype.extendMaterialParams = function ( materialIndex, materialParams ) {
|
|
|
-
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[ materialIndex ];
|
|
|
-
|
|
|
- if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
-
|
|
|
- return Promise.resolve();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- var extension = materialDef.extensions[ this.name ];
|
|
|
-
|
|
|
- if ( extension.transmissionFactor !== undefined ) {
|
|
|
-
|
|
|
- materialParams.transmission = extension.transmissionFactor;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( extension.transmissionTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * BasisU Texture Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu
|
|
|
- * (draft PR https://github.com/KhronosGroup/glTF/pull/1751)
|
|
|
- */
|
|
|
- function GLTFTextureBasisUExtension( parser ) {
|
|
|
-
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_BASISU;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFTextureBasisUExtension.prototype.loadTexture = function ( textureIndex ) {
|
|
|
-
|
|
|
- var parser = this.parser;
|
|
|
- var json = parser.json;
|
|
|
-
|
|
|
- var textureDef = json.textures[ textureIndex ];
|
|
|
-
|
|
|
- if ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {
|
|
|
-
|
|
|
- return null;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var extension = textureDef.extensions[ this.name ];
|
|
|
- var source = json.images[ extension.source ];
|
|
|
- var loader = parser.options.ktx2Loader;
|
|
|
-
|
|
|
- if ( ! loader ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return parser.loadTextureImage( textureIndex, source, loader );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /* BINARY EXTENSION */
|
|
|
- var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
|
|
|
- var BINARY_EXTENSION_HEADER_LENGTH = 12;
|
|
|
- var BINARY_EXTENSION_CHUNK_TYPES = { JSON: 0x4E4F534A, BIN: 0x004E4942 };
|
|
|
-
|
|
|
- function GLTFBinaryExtension( data ) {
|
|
|
-
|
|
|
- this.name = EXTENSIONS.KHR_BINARY_GLTF;
|
|
|
- this.content = null;
|
|
|
- this.body = null;
|
|
|
-
|
|
|
- var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
-
|
|
|
- this.header = {
|
|
|
- magic: LoaderUtils.decodeText( new Uint8Array( data.slice( 0, 4 ) ) ),
|
|
|
- version: headerView.getUint32( 4, true ),
|
|
|
- length: headerView.getUint32( 8, true )
|
|
|
- };
|
|
|
-
|
|
|
- if ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );
|
|
|
-
|
|
|
- } else if ( this.header.version < 2.0 ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
- var chunkIndex = 0;
|
|
|
-
|
|
|
- while ( chunkIndex < chunkView.byteLength ) {
|
|
|
-
|
|
|
- var chunkLength = chunkView.getUint32( chunkIndex, true );
|
|
|
- chunkIndex += 4;
|
|
|
-
|
|
|
- var chunkType = chunkView.getUint32( chunkIndex, true );
|
|
|
- chunkIndex += 4;
|
|
|
-
|
|
|
- if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {
|
|
|
-
|
|
|
- var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );
|
|
|
- this.content = LoaderUtils.decodeText( contentArray );
|
|
|
-
|
|
|
- } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {
|
|
|
-
|
|
|
- var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
|
|
|
- this.body = data.slice( byteOffset, byteOffset + chunkLength );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Clients must ignore chunks with unknown types.
|
|
|
-
|
|
|
- chunkIndex += chunkLength;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( this.content === null ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: JSON content not found.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * DRACO Mesh Compression Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
|
|
|
- */
|
|
|
- function GLTFDracoMeshCompressionExtension( json, dracoLoader ) {
|
|
|
-
|
|
|
- if ( ! dracoLoader ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
|
|
|
- this.json = json;
|
|
|
- this.dracoLoader = dracoLoader;
|
|
|
- this.dracoLoader.preload();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function ( primitive, parser ) {
|
|
|
-
|
|
|
- var json = this.json;
|
|
|
- var dracoLoader = this.dracoLoader;
|
|
|
- var bufferViewIndex = primitive.extensions[ this.name ].bufferView;
|
|
|
- var gltfAttributeMap = primitive.extensions[ this.name ].attributes;
|
|
|
- var threeAttributeMap = {};
|
|
|
- var attributeNormalizedMap = {};
|
|
|
- var attributeTypeMap = {};
|
|
|
-
|
|
|
- for ( var attributeName in gltfAttributeMap ) {
|
|
|
-
|
|
|
- var threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
-
|
|
|
- threeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- for ( attributeName in primitive.attributes ) {
|
|
|
-
|
|
|
- var threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
-
|
|
|
- if ( gltfAttributeMap[ attributeName ] !== undefined ) {
|
|
|
-
|
|
|
- var accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];
|
|
|
- var componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
-
|
|
|
- attributeTypeMap[ threeAttributeName ] = componentType;
|
|
|
- attributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {
|
|
|
-
|
|
|
- return new Promise( function ( resolve ) {
|
|
|
-
|
|
|
- dracoLoader.decodeDracoFile( bufferView, function ( geometry ) {
|
|
|
-
|
|
|
- for ( var attributeName in geometry.attributes ) {
|
|
|
-
|
|
|
- var attribute = geometry.attributes[ attributeName ];
|
|
|
- var normalized = attributeNormalizedMap[ attributeName ];
|
|
|
-
|
|
|
- if ( normalized !== undefined ) attribute.normalized = normalized;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- resolve( geometry );
|
|
|
-
|
|
|
- }, threeAttributeMap, attributeTypeMap );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Texture Transform Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
|
|
|
- */
|
|
|
- function GLTFTextureTransformExtension() {
|
|
|
-
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFTextureTransformExtension.prototype.extendTexture = function ( texture, transform ) {
|
|
|
-
|
|
|
- texture = texture.clone();
|
|
|
-
|
|
|
- if ( transform.offset !== undefined ) {
|
|
|
-
|
|
|
- texture.offset.fromArray( transform.offset );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( transform.rotation !== undefined ) {
|
|
|
-
|
|
|
- texture.rotation = transform.rotation;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( transform.scale !== undefined ) {
|
|
|
-
|
|
|
- texture.repeat.fromArray( transform.scale );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( transform.texCoord !== undefined ) {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- texture.needsUpdate = true;
|
|
|
-
|
|
|
- return texture;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specular-Glossiness Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
|
|
|
- */
|
|
|
-
|
|
|
- /**
|
|
|
- * A sub class of StandardMaterial with some of the functionality
|
|
|
- * changed via the `onBeforeCompile` callback
|
|
|
- * @pailhead
|
|
|
- */
|
|
|
-
|
|
|
- function GLTFMeshStandardSGMaterial( params ) {
|
|
|
-
|
|
|
- MeshStandardMaterial.call( this );
|
|
|
-
|
|
|
- this.isGLTFSpecularGlossinessMaterial = true;
|
|
|
-
|
|
|
- //various chunks that need replacing
|
|
|
- var specularMapParsFragmentChunk = [
|
|
|
- '#ifdef USE_SPECULARMAP',
|
|
|
- ' uniform sampler2D specularMap;',
|
|
|
- '#endif'
|
|
|
- ].join( '\n' );
|
|
|
-
|
|
|
- var glossinessMapParsFragmentChunk = [
|
|
|
- '#ifdef USE_GLOSSINESSMAP',
|
|
|
- ' uniform sampler2D glossinessMap;',
|
|
|
- '#endif'
|
|
|
- ].join( '\n' );
|
|
|
-
|
|
|
- var specularMapFragmentChunk = [
|
|
|
- 'vec3 specularFactor = specular;',
|
|
|
- '#ifdef USE_SPECULARMAP',
|
|
|
- ' vec4 texelSpecular = texture2D( specularMap, vUv );',
|
|
|
- ' texelSpecular = sRGBToLinear( texelSpecular );',
|
|
|
- ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture',
|
|
|
- ' specularFactor *= texelSpecular.rgb;',
|
|
|
- '#endif'
|
|
|
- ].join( '\n' );
|
|
|
-
|
|
|
- var glossinessMapFragmentChunk = [
|
|
|
- 'float glossinessFactor = glossiness;',
|
|
|
- '#ifdef USE_GLOSSINESSMAP',
|
|
|
- ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );',
|
|
|
- ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture',
|
|
|
- ' glossinessFactor *= texelGlossiness.a;',
|
|
|
- '#endif'
|
|
|
- ].join( '\n' );
|
|
|
-
|
|
|
- var lightPhysicalFragmentChunk = [
|
|
|
- 'PhysicalMaterial material;',
|
|
|
- 'material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );',
|
|
|
- 'vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );',
|
|
|
- 'float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );',
|
|
|
- 'material.specularRoughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.',
|
|
|
- 'material.specularRoughness += geometryRoughness;',
|
|
|
- 'material.specularRoughness = min( material.specularRoughness, 1.0 );',
|
|
|
- 'material.specularColor = specularFactor;',
|
|
|
- ].join( '\n' );
|
|
|
-
|
|
|
- var uniforms = {
|
|
|
- specular: { value: new Color().setHex( 0xffffff ) },
|
|
|
- glossiness: { value: 1 },
|
|
|
- specularMap: { value: null },
|
|
|
- glossinessMap: { value: null }
|
|
|
- };
|
|
|
-
|
|
|
- this._extraUniforms = uniforms;
|
|
|
-
|
|
|
- this.onBeforeCompile = function ( shader ) {
|
|
|
-
|
|
|
- for ( var uniformName in uniforms ) {
|
|
|
-
|
|
|
- shader.uniforms[ uniformName ] = uniforms[ uniformName ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- shader.fragmentShader = shader.fragmentShader
|
|
|
- .replace( 'uniform float roughness;', 'uniform vec3 specular;' )
|
|
|
- .replace( 'uniform float metalness;', 'uniform float glossiness;' )
|
|
|
- .replace( '#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk )
|
|
|
- .replace( '#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk )
|
|
|
- .replace( '#include <roughnessmap_fragment>', specularMapFragmentChunk )
|
|
|
- .replace( '#include <metalnessmap_fragment>', glossinessMapFragmentChunk )
|
|
|
- .replace( '#include <lights_physical_fragment>', lightPhysicalFragmentChunk );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- Object.defineProperties( this, {
|
|
|
-
|
|
|
- specular: {
|
|
|
- get: function () {
|
|
|
-
|
|
|
- return uniforms.specular.value;
|
|
|
-
|
|
|
- },
|
|
|
- set: function ( v ) {
|
|
|
-
|
|
|
- uniforms.specular.value = v;
|
|
|
-
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- specularMap: {
|
|
|
- get: function () {
|
|
|
-
|
|
|
- return uniforms.specularMap.value;
|
|
|
-
|
|
|
- },
|
|
|
- set: function ( v ) {
|
|
|
-
|
|
|
- uniforms.specularMap.value = v;
|
|
|
-
|
|
|
- if ( v ) {
|
|
|
-
|
|
|
- this.defines.USE_SPECULARMAP = ''; // USE_UV is set by the renderer for specular maps
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- delete this.defines.USE_SPECULARMAP;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- glossiness: {
|
|
|
- get: function () {
|
|
|
-
|
|
|
- return uniforms.glossiness.value;
|
|
|
-
|
|
|
- },
|
|
|
- set: function ( v ) {
|
|
|
-
|
|
|
- uniforms.glossiness.value = v;
|
|
|
-
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- glossinessMap: {
|
|
|
- get: function () {
|
|
|
-
|
|
|
- return uniforms.glossinessMap.value;
|
|
|
-
|
|
|
- },
|
|
|
- set: function ( v ) {
|
|
|
-
|
|
|
- uniforms.glossinessMap.value = v;
|
|
|
-
|
|
|
- if ( v ) {
|
|
|
-
|
|
|
- this.defines.USE_GLOSSINESSMAP = '';
|
|
|
- this.defines.USE_UV = '';
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- delete this.defines.USE_GLOSSINESSMAP;
|
|
|
- delete this.defines.USE_UV;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- delete this.metalness;
|
|
|
- delete this.roughness;
|
|
|
- delete this.metalnessMap;
|
|
|
- delete this.roughnessMap;
|
|
|
-
|
|
|
- this.setValues( params );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFMeshStandardSGMaterial.prototype = Object.create( MeshStandardMaterial.prototype );
|
|
|
- GLTFMeshStandardSGMaterial.prototype.constructor = GLTFMeshStandardSGMaterial;
|
|
|
-
|
|
|
- GLTFMeshStandardSGMaterial.prototype.copy = function ( source ) {
|
|
|
-
|
|
|
- MeshStandardMaterial.prototype.copy.call( this, source );
|
|
|
- this.specularMap = source.specularMap;
|
|
|
- this.specular.copy( source.specular );
|
|
|
- this.glossinessMap = source.glossinessMap;
|
|
|
- this.glossiness = source.glossiness;
|
|
|
- delete this.metalness;
|
|
|
- delete this.roughness;
|
|
|
- delete this.metalnessMap;
|
|
|
- delete this.roughnessMap;
|
|
|
- return this;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- function GLTFMaterialsPbrSpecularGlossinessExtension() {
|
|
|
-
|
|
|
- return {
|
|
|
-
|
|
|
- name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
|
|
|
-
|
|
|
- specularGlossinessParams: [
|
|
|
- 'color',
|
|
|
- 'map',
|
|
|
- 'lightMap',
|
|
|
- 'lightMapIntensity',
|
|
|
- 'aoMap',
|
|
|
- 'aoMapIntensity',
|
|
|
- 'emissive',
|
|
|
- 'emissiveIntensity',
|
|
|
- 'emissiveMap',
|
|
|
- 'bumpMap',
|
|
|
- 'bumpScale',
|
|
|
- 'normalMap',
|
|
|
- 'normalMapType',
|
|
|
- 'displacementMap',
|
|
|
- 'displacementScale',
|
|
|
- 'displacementBias',
|
|
|
- 'specularMap',
|
|
|
- 'specular',
|
|
|
- 'glossinessMap',
|
|
|
- 'glossiness',
|
|
|
- 'alphaMap',
|
|
|
- 'envMap',
|
|
|
- 'envMapIntensity',
|
|
|
- 'refractionRatio',
|
|
|
- ],
|
|
|
-
|
|
|
- getMaterialType: function () {
|
|
|
-
|
|
|
- return GLTFMeshStandardSGMaterial;
|
|
|
-
|
|
|
- },
|
|
|
-
|
|
|
- extendParams: function ( materialParams, materialDef, parser ) {
|
|
|
-
|
|
|
- var pbrSpecularGlossiness = materialDef.extensions[ this.name ];
|
|
|
-
|
|
|
- materialParams.color = new Color( 1.0, 1.0, 1.0 );
|
|
|
- materialParams.opacity = 1.0;
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if ( Array.isArray( pbrSpecularGlossiness.diffuseFactor ) ) {
|
|
|
-
|
|
|
- var array = pbrSpecularGlossiness.diffuseFactor;
|
|
|
-
|
|
|
- materialParams.color.fromArray( array );
|
|
|
- materialParams.opacity = array[ 3 ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( pbrSpecularGlossiness.diffuseTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'map', pbrSpecularGlossiness.diffuseTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- materialParams.emissive = new Color( 0.0, 0.0, 0.0 );
|
|
|
- materialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
|
|
|
- materialParams.specular = new Color( 1.0, 1.0, 1.0 );
|
|
|
-
|
|
|
- if ( Array.isArray( pbrSpecularGlossiness.specularFactor ) ) {
|
|
|
-
|
|
|
- materialParams.specular.fromArray( pbrSpecularGlossiness.specularFactor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( pbrSpecularGlossiness.specularGlossinessTexture !== undefined ) {
|
|
|
-
|
|
|
- var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
|
|
|
- pending.push( parser.assignTexture( materialParams, 'glossinessMap', specGlossMapDef ) );
|
|
|
- pending.push( parser.assignTexture( materialParams, 'specularMap', specGlossMapDef ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- },
|
|
|
-
|
|
|
- createMaterial: function ( materialParams ) {
|
|
|
-
|
|
|
- var material = new GLTFMeshStandardSGMaterial( materialParams );
|
|
|
- material.fog = true;
|
|
|
-
|
|
|
- material.color = materialParams.color;
|
|
|
-
|
|
|
- material.map = materialParams.map === undefined ? null : materialParams.map;
|
|
|
-
|
|
|
- material.lightMap = null;
|
|
|
- material.lightMapIntensity = 1.0;
|
|
|
-
|
|
|
- material.aoMap = materialParams.aoMap === undefined ? null : materialParams.aoMap;
|
|
|
- material.aoMapIntensity = 1.0;
|
|
|
-
|
|
|
- material.emissive = materialParams.emissive;
|
|
|
- material.emissiveIntensity = 1.0;
|
|
|
- material.emissiveMap = materialParams.emissiveMap === undefined ? null : materialParams.emissiveMap;
|
|
|
-
|
|
|
- material.bumpMap = materialParams.bumpMap === undefined ? null : materialParams.bumpMap;
|
|
|
- material.bumpScale = 1;
|
|
|
-
|
|
|
- material.normalMap = materialParams.normalMap === undefined ? null : materialParams.normalMap;
|
|
|
- material.normalMapType = TangentSpaceNormalMap;
|
|
|
-
|
|
|
- if ( materialParams.normalScale ) material.normalScale = materialParams.normalScale;
|
|
|
-
|
|
|
- material.displacementMap = null;
|
|
|
- material.displacementScale = 1;
|
|
|
- material.displacementBias = 0;
|
|
|
-
|
|
|
- material.specularMap = materialParams.specularMap === undefined ? null : materialParams.specularMap;
|
|
|
- material.specular = materialParams.specular;
|
|
|
-
|
|
|
- material.glossinessMap = materialParams.glossinessMap === undefined ? null : materialParams.glossinessMap;
|
|
|
- material.glossiness = materialParams.glossiness;
|
|
|
-
|
|
|
- material.alphaMap = null;
|
|
|
-
|
|
|
- material.envMap = materialParams.envMap === undefined ? null : materialParams.envMap;
|
|
|
- material.envMapIntensity = 1.0;
|
|
|
-
|
|
|
- material.refractionRatio = 0.98;
|
|
|
-
|
|
|
- return material;
|
|
|
-
|
|
|
- },
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Mesh Quantization Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization
|
|
|
- */
|
|
|
- function GLTFMeshQuantizationExtension() {
|
|
|
-
|
|
|
- this.name = EXTENSIONS.KHR_MESH_QUANTIZATION;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /*********************************/
|
|
|
- /********** INTERPOLATION ********/
|
|
|
- /*********************************/
|
|
|
-
|
|
|
- // Spline Interpolation
|
|
|
- // Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
|
|
|
- function GLTFCubicSplineInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
|
|
|
-
|
|
|
- Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFCubicSplineInterpolant.prototype = Object.create( Interpolant.prototype );
|
|
|
- GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
|
|
|
-
|
|
|
- GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function ( index ) {
|
|
|
-
|
|
|
- // Copies a sample value to the result buffer. See description of glTF
|
|
|
- // CUBICSPLINE values layout in interpolate_() function below.
|
|
|
-
|
|
|
- var result = this.resultBuffer,
|
|
|
- values = this.sampleValues,
|
|
|
- valueSize = this.valueSize,
|
|
|
- offset = index * valueSize * 3 + valueSize;
|
|
|
-
|
|
|
- for ( var i = 0; i !== valueSize; i ++ ) {
|
|
|
-
|
|
|
- result[ i ] = values[ offset + i ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return result;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
-
|
|
|
- GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
-
|
|
|
- GLTFCubicSplineInterpolant.prototype.interpolate_ = function ( i1, t0, t, t1 ) {
|
|
|
-
|
|
|
- var result = this.resultBuffer;
|
|
|
- var values = this.sampleValues;
|
|
|
- var stride = this.valueSize;
|
|
|
-
|
|
|
- var stride2 = stride * 2;
|
|
|
- var stride3 = stride * 3;
|
|
|
-
|
|
|
- var td = t1 - t0;
|
|
|
-
|
|
|
- var p = ( t - t0 ) / td;
|
|
|
- var pp = p * p;
|
|
|
- var ppp = pp * p;
|
|
|
-
|
|
|
- var offset1 = i1 * stride3;
|
|
|
- var offset0 = offset1 - stride3;
|
|
|
-
|
|
|
- var s2 = - 2 * ppp + 3 * pp;
|
|
|
- var s3 = ppp - pp;
|
|
|
- var s0 = 1 - s2;
|
|
|
- var s1 = s3 - pp + p;
|
|
|
-
|
|
|
- // Layout of keyframe output values for CUBICSPLINE animations:
|
|
|
- // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
|
|
|
- for ( var i = 0; i !== stride; i ++ ) {
|
|
|
-
|
|
|
- var p0 = values[ offset0 + i + stride ]; // splineVertex_k
|
|
|
- var m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)
|
|
|
- var p1 = values[ offset1 + i + stride ]; // splineVertex_k+1
|
|
|
- var m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)
|
|
|
-
|
|
|
- result[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return result;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /*********************************/
|
|
|
- /********** 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,
|
|
|
- POINTS: 0,
|
|
|
- LINES: 1,
|
|
|
- LINE_LOOP: 2,
|
|
|
- LINE_STRIP: 3,
|
|
|
- TRIANGLES: 4,
|
|
|
- TRIANGLE_STRIP: 5,
|
|
|
- TRIANGLE_FAN: 6,
|
|
|
- UNSIGNED_BYTE: 5121,
|
|
|
- UNSIGNED_SHORT: 5123
|
|
|
- };
|
|
|
-
|
|
|
- var WEBGL_COMPONENT_TYPES = {
|
|
|
- 5120: Int8Array,
|
|
|
- 5121: Uint8Array,
|
|
|
- 5122: Int16Array,
|
|
|
- 5123: Uint16Array,
|
|
|
- 5125: Uint32Array,
|
|
|
- 5126: Float32Array
|
|
|
- };
|
|
|
-
|
|
|
- var WEBGL_FILTERS = {
|
|
|
- 9728: NearestFilter,
|
|
|
- 9729: LinearFilter,
|
|
|
- 9984: NearestMipmapNearestFilter,
|
|
|
- 9985: LinearMipmapNearestFilter,
|
|
|
- 9986: NearestMipmapLinearFilter,
|
|
|
- 9987: LinearMipmapLinearFilter
|
|
|
- };
|
|
|
-
|
|
|
- var WEBGL_WRAPPINGS = {
|
|
|
- 33071: ClampToEdgeWrapping,
|
|
|
- 33648: MirroredRepeatWrapping,
|
|
|
- 10497: RepeatWrapping
|
|
|
- };
|
|
|
-
|
|
|
- var WEBGL_TYPE_SIZES = {
|
|
|
- 'SCALAR': 1,
|
|
|
- 'VEC2': 2,
|
|
|
- 'VEC3': 3,
|
|
|
- 'VEC4': 4,
|
|
|
- 'MAT2': 4,
|
|
|
- 'MAT3': 9,
|
|
|
- 'MAT4': 16
|
|
|
- };
|
|
|
-
|
|
|
- var ATTRIBUTES = {
|
|
|
- POSITION: 'position',
|
|
|
- NORMAL: 'normal',
|
|
|
- TANGENT: 'tangent',
|
|
|
- TEXCOORD_0: 'uv',
|
|
|
- TEXCOORD_1: 'uv2',
|
|
|
- COLOR_0: 'color',
|
|
|
- WEIGHTS_0: 'skinWeight',
|
|
|
- JOINTS_0: 'skinIndex',
|
|
|
- };
|
|
|
-
|
|
|
- var PATH_PROPERTIES = {
|
|
|
- scale: 'scale',
|
|
|
- translation: 'position',
|
|
|
- rotation: 'quaternion',
|
|
|
- weights: 'morphTargetInfluences'
|
|
|
- };
|
|
|
-
|
|
|
- var INTERPOLATION = {
|
|
|
- CUBICSPLINE: undefined, // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each
|
|
|
- // keyframe track will be initialized with a default interpolation type, then modified.
|
|
|
- LINEAR: InterpolateLinear,
|
|
|
- STEP: InterpolateDiscrete
|
|
|
- };
|
|
|
-
|
|
|
- var ALPHA_MODES = {
|
|
|
- OPAQUE: 'OPAQUE',
|
|
|
- MASK: 'MASK',
|
|
|
- BLEND: 'BLEND'
|
|
|
- };
|
|
|
-
|
|
|
- /* UTILITY FUNCTIONS */
|
|
|
-
|
|
|
- function resolveURL( url, path ) {
|
|
|
-
|
|
|
- // Invalid URL
|
|
|
- if ( typeof url !== 'string' || url === '' ) return '';
|
|
|
-
|
|
|
- // Host Relative URL
|
|
|
- if ( /^https?:\/\//i.test( path ) && /^\//.test( url ) ) {
|
|
|
-
|
|
|
- path = path.replace( /(^https?:\/\/[^\/]+).*/i, '$1' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Absolute URL http://,https://,//
|
|
|
- if ( /^(https?:)?\/\//i.test( url ) ) return url;
|
|
|
-
|
|
|
- // Data URI
|
|
|
- if ( /^data:.*,.*$/i.test( url ) ) return url;
|
|
|
-
|
|
|
- // Blob URL
|
|
|
- if ( /^blob:.*$/i.test( url ) ) return url;
|
|
|
-
|
|
|
- // Relative URL
|
|
|
- return path + url;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
|
|
|
- */
|
|
|
- function createDefaultMaterial( cache ) {
|
|
|
-
|
|
|
- if ( cache[ 'DefaultMaterial' ] === undefined ) {
|
|
|
-
|
|
|
- cache[ 'DefaultMaterial' ] = new MeshStandardMaterial( {
|
|
|
- color: 0xFFFFFF,
|
|
|
- emissive: 0x000000,
|
|
|
- metalness: 1,
|
|
|
- roughness: 1,
|
|
|
- transparent: false,
|
|
|
- depthTest: true,
|
|
|
- side: FrontSide
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return cache[ 'DefaultMaterial' ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {
|
|
|
-
|
|
|
- // Add unknown glTF extensions to an object's userData.
|
|
|
-
|
|
|
- for ( var name in objectDef.extensions ) {
|
|
|
-
|
|
|
- if ( knownExtensions[ name ] === undefined ) {
|
|
|
-
|
|
|
- object.userData.gltfExtensions = object.userData.gltfExtensions || {};
|
|
|
- object.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {Object3D|Material|BufferGeometry} object
|
|
|
- * @param {GLTF.definition} gltfDef
|
|
|
- */
|
|
|
- function assignExtrasToUserData( object, gltfDef ) {
|
|
|
-
|
|
|
- if ( gltfDef.extras !== undefined ) {
|
|
|
-
|
|
|
- if ( typeof gltfDef.extras === 'object' ) {
|
|
|
-
|
|
|
- Object.assign( object.userData, gltfDef.extras );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
|
|
|
- *
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {Array<GLTF.Target>} targets
|
|
|
- * @param {GLTFParser} parser
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
- */
|
|
|
- function addMorphTargets( geometry, targets, parser ) {
|
|
|
-
|
|
|
- var hasMorphPosition = false;
|
|
|
- var hasMorphNormal = false;
|
|
|
-
|
|
|
- for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var target = targets[ i ];
|
|
|
-
|
|
|
- if ( target.POSITION !== undefined ) hasMorphPosition = true;
|
|
|
- if ( target.NORMAL !== undefined ) hasMorphNormal = true;
|
|
|
-
|
|
|
- if ( hasMorphPosition && hasMorphNormal ) break;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( ! hasMorphPosition && ! hasMorphNormal ) return Promise.resolve( geometry );
|
|
|
-
|
|
|
- var pendingPositionAccessors = [];
|
|
|
- var pendingNormalAccessors = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var target = targets[ i ];
|
|
|
-
|
|
|
- if ( hasMorphPosition ) {
|
|
|
-
|
|
|
- var pendingAccessor = target.POSITION !== undefined
|
|
|
- ? parser.getDependency( 'accessor', target.POSITION )
|
|
|
- : geometry.attributes.position;
|
|
|
-
|
|
|
- pendingPositionAccessors.push( pendingAccessor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( hasMorphNormal ) {
|
|
|
-
|
|
|
- var pendingAccessor = target.NORMAL !== undefined
|
|
|
- ? parser.getDependency( 'accessor', target.NORMAL )
|
|
|
- : geometry.attributes.normal;
|
|
|
-
|
|
|
- pendingNormalAccessors.push( pendingAccessor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( [
|
|
|
- Promise.all( pendingPositionAccessors ),
|
|
|
- Promise.all( pendingNormalAccessors )
|
|
|
- ] ).then( function ( accessors ) {
|
|
|
-
|
|
|
- var morphPositions = accessors[ 0 ];
|
|
|
- var morphNormals = accessors[ 1 ];
|
|
|
-
|
|
|
- if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;
|
|
|
- if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;
|
|
|
- geometry.morphTargetsRelative = true;
|
|
|
-
|
|
|
- return geometry;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {Mesh} mesh
|
|
|
- * @param {GLTF.Mesh} meshDef
|
|
|
- */
|
|
|
- function updateMorphTargets( mesh, meshDef ) {
|
|
|
-
|
|
|
- mesh.updateMorphTargets();
|
|
|
-
|
|
|
- if ( meshDef.weights !== undefined ) {
|
|
|
-
|
|
|
- for ( var i = 0, il = meshDef.weights.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- mesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // .extras has user-defined data, so check that .extras.targetNames is an array.
|
|
|
- if ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) {
|
|
|
-
|
|
|
- var targetNames = meshDef.extras.targetNames;
|
|
|
-
|
|
|
- if ( mesh.morphTargetInfluences.length === targetNames.length ) {
|
|
|
-
|
|
|
- mesh.morphTargetDictionary = {};
|
|
|
-
|
|
|
- for ( var i = 0, il = targetNames.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- mesh.morphTargetDictionary[ targetNames[ i ] ] = i;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function createPrimitiveKey( primitiveDef ) {
|
|
|
-
|
|
|
- var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];
|
|
|
- var geometryKey;
|
|
|
-
|
|
|
- if ( dracoExtension ) {
|
|
|
-
|
|
|
- geometryKey = 'draco:' + dracoExtension.bufferView
|
|
|
- + ':' + dracoExtension.indices
|
|
|
- + ':' + createAttributesKey( dracoExtension.attributes );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- geometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return geometryKey;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- function createAttributesKey( attributes ) {
|
|
|
-
|
|
|
- var attributesKey = '';
|
|
|
-
|
|
|
- var keys = Object.keys( attributes ).sort();
|
|
|
-
|
|
|
- for ( var i = 0, il = keys.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- attributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return attributesKey;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /* GLTF PARSER */
|
|
|
-
|
|
|
- function GLTFParser( json, options ) {
|
|
|
-
|
|
|
- this.json = json || {};
|
|
|
- this.extensions = {};
|
|
|
- this.plugins = {};
|
|
|
- this.options = options || {};
|
|
|
-
|
|
|
- // loader object cache
|
|
|
- this.cache = new GLTFRegistry();
|
|
|
-
|
|
|
- // associations between Three.js objects and glTF elements
|
|
|
- this.associations = new Map();
|
|
|
-
|
|
|
- // BufferGeometry caching
|
|
|
- this.primitiveCache = {};
|
|
|
-
|
|
|
- // Object3D instance caches
|
|
|
- this.meshCache = { refs: {}, uses: {} };
|
|
|
- this.cameraCache = { refs: {}, uses: {} };
|
|
|
- this.lightCache = { refs: {}, uses: {} };
|
|
|
-
|
|
|
- // Track node names, to ensure no duplicates
|
|
|
- this.nodeNamesUsed = {};
|
|
|
-
|
|
|
- // Use an ImageBitmapLoader if imageBitmaps are supported. Moves much of the
|
|
|
- // expensive work of uploading a texture to the GPU off the main thread.
|
|
|
- if ( typeof createImageBitmap !== 'undefined' && /Firefox/.test( navigator.userAgent ) === false ) {
|
|
|
-
|
|
|
- this.textureLoader = new ImageBitmapLoader( this.options.manager );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- this.textureLoader = new TextureLoader( this.options.manager );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.textureLoader.setCrossOrigin( this.options.crossOrigin );
|
|
|
-
|
|
|
- this.fileLoader = new FileLoader( this.options.manager );
|
|
|
- this.fileLoader.setResponseType( 'arraybuffer' );
|
|
|
-
|
|
|
- if ( this.options.crossOrigin === 'use-credentials' ) {
|
|
|
-
|
|
|
- this.fileLoader.setWithCredentials( true );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- GLTFParser.prototype.setExtensions = function ( extensions ) {
|
|
|
-
|
|
|
- this.extensions = extensions;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.setPlugins = function ( plugins ) {
|
|
|
-
|
|
|
- this.plugins = plugins;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.parse = function ( onLoad, onError ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
-
|
|
|
- // Clear the loader cache
|
|
|
- this.cache.removeAll();
|
|
|
-
|
|
|
- // Mark the special nodes/meshes in json for efficient parse
|
|
|
- this._invokeAll( function ( ext ) {
|
|
|
-
|
|
|
- return ext._markDefs && ext._markDefs();
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- Promise.all( [
|
|
|
-
|
|
|
- this.getDependencies( 'scene' ),
|
|
|
- this.getDependencies( 'animation' ),
|
|
|
- this.getDependencies( 'camera' ),
|
|
|
-
|
|
|
- ] ).then( function ( dependencies ) {
|
|
|
-
|
|
|
- var result = {
|
|
|
- scene: dependencies[ 0 ][ json.scene || 0 ],
|
|
|
- scenes: dependencies[ 0 ],
|
|
|
- animations: dependencies[ 1 ],
|
|
|
- cameras: dependencies[ 2 ],
|
|
|
- asset: json.asset,
|
|
|
- parser: parser,
|
|
|
- userData: {}
|
|
|
- };
|
|
|
-
|
|
|
- addUnknownExtensionsToUserData( extensions, result, json );
|
|
|
-
|
|
|
- assignExtrasToUserData( result, json );
|
|
|
-
|
|
|
- onLoad( result );
|
|
|
-
|
|
|
- } ).catch( onError );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Marks the special nodes/meshes in json for efficient parse.
|
|
|
- */
|
|
|
- GLTFParser.prototype._markDefs = function () {
|
|
|
-
|
|
|
- var nodeDefs = this.json.nodes || [];
|
|
|
- var skinDefs = this.json.skins || [];
|
|
|
- var meshDefs = this.json.meshes || [];
|
|
|
-
|
|
|
- // Nothing in the node definition indicates whether it is a Bone or an
|
|
|
- // Object3D. Use the skins' joint references to mark bones.
|
|
|
- for ( var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {
|
|
|
-
|
|
|
- var joints = skinDefs[ skinIndex ].joints;
|
|
|
-
|
|
|
- for ( var i = 0, il = joints.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- nodeDefs[ joints[ i ] ].isBone = true;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Iterate over all nodes, marking references to shared resources,
|
|
|
- // as well as skeleton joints.
|
|
|
- for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
-
|
|
|
- var nodeDef = nodeDefs[ nodeIndex ];
|
|
|
-
|
|
|
- if ( nodeDef.mesh !== undefined ) {
|
|
|
-
|
|
|
- this._addNodeRef( this.meshCache, nodeDef.mesh );
|
|
|
-
|
|
|
- // Nothing in the mesh definition indicates whether it is
|
|
|
- // a SkinnedMesh or Mesh. Use the node's mesh reference
|
|
|
- // to mark SkinnedMesh if node has skin.
|
|
|
- if ( nodeDef.skin !== undefined ) {
|
|
|
-
|
|
|
- meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( nodeDef.camera !== undefined ) {
|
|
|
-
|
|
|
- this._addNodeRef( this.cameraCache, nodeDef.camera );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Counts references to shared node / Object3D resources. These resources
|
|
|
- * can be reused, or "instantiated", at multiple nodes in the scene
|
|
|
- * hierarchy. Mesh, Camera, and Light instances are instantiated and must
|
|
|
- * be marked. Non-scenegraph resources (like Materials, Geometries, and
|
|
|
- * Textures) can be reused directly and are not marked here.
|
|
|
- *
|
|
|
- * Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
|
|
|
- */
|
|
|
- GLTFParser.prototype._addNodeRef = function ( cache, index ) {
|
|
|
-
|
|
|
- if ( index === undefined ) return;
|
|
|
-
|
|
|
- if ( cache.refs[ index ] === undefined ) {
|
|
|
-
|
|
|
- cache.refs[ index ] = cache.uses[ index ] = 0;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- cache.refs[ index ] ++;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /** Returns a reference to a shared resource, cloning it if necessary. */
|
|
|
- GLTFParser.prototype._getNodeRef = function ( cache, index, object ) {
|
|
|
-
|
|
|
- if ( cache.refs[ index ] <= 1 ) return object;
|
|
|
-
|
|
|
- var ref = object.clone();
|
|
|
-
|
|
|
- ref.name += '_instance_' + ( cache.uses[ index ] ++ );
|
|
|
-
|
|
|
- return ref;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype._invokeOne = function ( func ) {
|
|
|
-
|
|
|
- var extensions = Object.values( this.plugins );
|
|
|
- extensions.push( this );
|
|
|
-
|
|
|
- for ( var i = 0; i < extensions.length; i ++ ) {
|
|
|
-
|
|
|
- var result = func( extensions[ i ] );
|
|
|
-
|
|
|
- if ( result ) return result;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype._invokeAll = function ( func ) {
|
|
|
-
|
|
|
- var extensions = Object.values( this.plugins );
|
|
|
- extensions.unshift( this );
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- for ( var i = 0; i < extensions.length; i ++ ) {
|
|
|
-
|
|
|
- var result = func( extensions[ i ] );
|
|
|
-
|
|
|
- if ( result ) pending.push( result );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return pending;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Requests the specified dependency asynchronously, with caching.
|
|
|
- * @param {string} type
|
|
|
- * @param {number} index
|
|
|
- * @return {Promise<Object3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.getDependency = function ( type, index ) {
|
|
|
-
|
|
|
- var cacheKey = type + ':' + index;
|
|
|
- var dependency = this.cache.get( cacheKey );
|
|
|
-
|
|
|
- if ( ! dependency ) {
|
|
|
-
|
|
|
- switch ( type ) {
|
|
|
-
|
|
|
- case 'scene':
|
|
|
- dependency = this.loadScene( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'node':
|
|
|
- dependency = this.loadNode( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'mesh':
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
-
|
|
|
- return ext.loadMesh && ext.loadMesh( index );
|
|
|
-
|
|
|
- } );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'accessor':
|
|
|
- dependency = this.loadAccessor( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'bufferView':
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
-
|
|
|
- return ext.loadBufferView && ext.loadBufferView( index );
|
|
|
-
|
|
|
- } );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'buffer':
|
|
|
- dependency = this.loadBuffer( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'material':
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
-
|
|
|
- return ext.loadMaterial && ext.loadMaterial( index );
|
|
|
-
|
|
|
- } );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'texture':
|
|
|
- dependency = this._invokeOne( function ( ext ) {
|
|
|
-
|
|
|
- return ext.loadTexture && ext.loadTexture( index );
|
|
|
-
|
|
|
- } );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'skin':
|
|
|
- dependency = this.loadSkin( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'animation':
|
|
|
- dependency = this.loadAnimation( index );
|
|
|
- break;
|
|
|
-
|
|
|
- case 'camera':
|
|
|
- dependency = this.loadCamera( index );
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- throw new Error( 'Unknown type: ' + type );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.cache.add( cacheKey, dependency );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return dependency;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
- * @param {string} type
|
|
|
- * @return {Promise<Array<Object>>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.getDependencies = function ( type ) {
|
|
|
-
|
|
|
- var dependencies = this.cache.get( type );
|
|
|
-
|
|
|
- if ( ! dependencies ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];
|
|
|
-
|
|
|
- dependencies = Promise.all( defs.map( function ( def, index ) {
|
|
|
-
|
|
|
- return parser.getDependency( type, index );
|
|
|
-
|
|
|
- } ) );
|
|
|
-
|
|
|
- this.cache.add( type, dependencies );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return dependencies;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
- * @param {number} bufferIndex
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadBuffer = function ( bufferIndex ) {
|
|
|
-
|
|
|
- var bufferDef = this.json.buffers[ bufferIndex ];
|
|
|
- var loader = this.fileLoader;
|
|
|
-
|
|
|
- if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // If present, GLB container is required to be the first buffer.
|
|
|
- if ( bufferDef.uri === undefined && bufferIndex === 0 ) {
|
|
|
-
|
|
|
- return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- return new Promise( function ( resolve, reject ) {
|
|
|
-
|
|
|
- loader.load( resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {
|
|
|
-
|
|
|
- reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
- * @param {number} bufferViewIndex
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadBufferView = function ( bufferViewIndex ) {
|
|
|
-
|
|
|
- var bufferViewDef = this.json.bufferViews[ bufferViewIndex ];
|
|
|
-
|
|
|
- return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {
|
|
|
-
|
|
|
- var byteLength = bufferViewDef.byteLength || 0;
|
|
|
- var byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
- return buffer.slice( byteOffset, byteOffset + byteLength );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
|
|
|
- * @param {number} accessorIndex
|
|
|
- * @return {Promise<BufferAttribute|InterleavedBufferAttribute>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadAccessor = function ( accessorIndex ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
-
|
|
|
- var accessorDef = this.json.accessors[ accessorIndex ];
|
|
|
-
|
|
|
- if ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {
|
|
|
-
|
|
|
- // Ignore empty accessors, which may be used to declare runtime
|
|
|
- // information about attributes coming from another source (e.g. Draco
|
|
|
- // compression extension).
|
|
|
- return Promise.resolve( null );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var pendingBufferViews = [];
|
|
|
-
|
|
|
- if ( accessorDef.bufferView !== undefined ) {
|
|
|
-
|
|
|
- pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- pendingBufferViews.push( null );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( accessorDef.sparse !== undefined ) {
|
|
|
-
|
|
|
- pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );
|
|
|
- pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pendingBufferViews ).then( function ( bufferViews ) {
|
|
|
-
|
|
|
- var bufferView = bufferViews[ 0 ];
|
|
|
-
|
|
|
- var itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
|
|
|
- var TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
-
|
|
|
- // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
|
- var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
- var itemBytes = elementBytes * itemSize;
|
|
|
- var byteOffset = accessorDef.byteOffset || 0;
|
|
|
- var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;
|
|
|
- var normalized = accessorDef.normalized === true;
|
|
|
- var array, bufferAttribute;
|
|
|
-
|
|
|
- // The buffer is not interleaved if the stride is the item size in bytes.
|
|
|
- if ( byteStride && byteStride !== itemBytes ) {
|
|
|
-
|
|
|
- // Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own InterleavedBuffer
|
|
|
- // This makes sure that IBA.count reflects accessor.count properly
|
|
|
- var ibSlice = Math.floor( byteOffset / byteStride );
|
|
|
- var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
|
|
|
- var ib = parser.cache.get( ibCacheKey );
|
|
|
-
|
|
|
- if ( ! ib ) {
|
|
|
-
|
|
|
- array = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes );
|
|
|
-
|
|
|
- // Integer parameters to IB/IBA are in array elements, not bytes.
|
|
|
- ib = new InterleavedBuffer( array, byteStride / elementBytes );
|
|
|
-
|
|
|
- parser.cache.add( ibCacheKey, ib );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- bufferAttribute = new InterleavedBufferAttribute( ib, itemSize, ( byteOffset % byteStride ) / elementBytes, normalized );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- if ( bufferView === null ) {
|
|
|
-
|
|
|
- array = new TypedArray( accessorDef.count * itemSize );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- array = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- bufferAttribute = new BufferAttribute( array, itemSize, normalized );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
|
|
|
- if ( accessorDef.sparse !== undefined ) {
|
|
|
-
|
|
|
- var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
- var TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];
|
|
|
-
|
|
|
- var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
- var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
-
|
|
|
- var sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );
|
|
|
- var sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );
|
|
|
-
|
|
|
- if ( bufferView !== null ) {
|
|
|
-
|
|
|
- // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
|
|
|
- bufferAttribute = new BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- for ( var i = 0, il = sparseIndices.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var index = sparseIndices[ i ];
|
|
|
-
|
|
|
- bufferAttribute.setX( index, sparseValues[ i * itemSize ] );
|
|
|
- if ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );
|
|
|
- if ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );
|
|
|
- if ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );
|
|
|
- if ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return bufferAttribute;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
|
|
|
- * @param {number} textureIndex
|
|
|
- * @return {Promise<THREE.Texture>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadTexture = function ( textureIndex ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- var textureDef = json.textures[ textureIndex ];
|
|
|
-
|
|
|
- var textureExtensions = textureDef.extensions || {};
|
|
|
-
|
|
|
- var source;
|
|
|
-
|
|
|
- if ( textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ] ) {
|
|
|
-
|
|
|
- source = json.images[ textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ].source ];
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- source = json.images[ textureDef.source ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var loader;
|
|
|
-
|
|
|
- if ( source.uri ) {
|
|
|
-
|
|
|
- loader = options.manager.getHandler( source.uri );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( ! loader ) {
|
|
|
-
|
|
|
- loader = textureExtensions[ EXTENSIONS.MSFT_TEXTURE_DDS ]
|
|
|
- ? parser.extensions[ EXTENSIONS.MSFT_TEXTURE_DDS ].ddsLoader
|
|
|
- : this.textureLoader;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return this.loadTextureImage( textureIndex, source, loader );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.loadTextureImage = function ( textureIndex, source, loader ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- var textureDef = json.textures[ textureIndex ];
|
|
|
-
|
|
|
- var URL = self.URL || self.webkitURL;
|
|
|
-
|
|
|
- var sourceURI = source.uri;
|
|
|
- var isObjectURL = false;
|
|
|
- var hasAlpha = true;
|
|
|
-
|
|
|
- if ( source.mimeType === 'image/jpeg' ) hasAlpha = false;
|
|
|
-
|
|
|
- if ( source.bufferView !== undefined ) {
|
|
|
-
|
|
|
- // Load binary image data from bufferView, if provided.
|
|
|
-
|
|
|
- sourceURI = parser.getDependency( 'bufferView', source.bufferView ).then( function ( bufferView ) {
|
|
|
-
|
|
|
- if ( source.mimeType === 'image/png' ) {
|
|
|
-
|
|
|
- // Inspect the PNG 'IHDR' chunk to determine whether the image could have an
|
|
|
- // alpha channel. This check is conservative — the image could have an alpha
|
|
|
- // channel with all values == 1, and the indexed type (colorType == 3) only
|
|
|
- // sometimes contains alpha.
|
|
|
- //
|
|
|
- // https://en.wikipedia.org/wiki/Portable_Network_Graphics#File_header
|
|
|
- var colorType = new DataView( bufferView, 25, 1 ).getUint8( 0, false );
|
|
|
- hasAlpha = colorType === 6 || colorType === 4 || colorType === 3;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- isObjectURL = true;
|
|
|
- var blob = new Blob( [ bufferView ], { type: source.mimeType } );
|
|
|
- sourceURI = URL.createObjectURL( blob );
|
|
|
- return sourceURI;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.resolve( sourceURI ).then( function ( sourceURI ) {
|
|
|
-
|
|
|
- return new Promise( function ( resolve, reject ) {
|
|
|
-
|
|
|
- var onLoad = resolve;
|
|
|
-
|
|
|
- if ( loader.isImageBitmapLoader === true ) {
|
|
|
-
|
|
|
- onLoad = function ( imageBitmap ) {
|
|
|
-
|
|
|
- resolve( new CanvasTexture( imageBitmap ) );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- loader.load( resolveURL( sourceURI, options.path ), onLoad, undefined, reject );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- } ).then( function ( texture ) {
|
|
|
-
|
|
|
- // Clean up resources and configure Texture.
|
|
|
-
|
|
|
- if ( isObjectURL === true ) {
|
|
|
-
|
|
|
- URL.revokeObjectURL( sourceURI );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- texture.flipY = false;
|
|
|
-
|
|
|
- if ( textureDef.name ) texture.name = textureDef.name;
|
|
|
-
|
|
|
- // When there is definitely no alpha channel in the texture, set RGBFormat to save space.
|
|
|
- if ( ! hasAlpha ) texture.format = RGBFormat;
|
|
|
-
|
|
|
- var samplers = json.samplers || {};
|
|
|
- var sampler = samplers[ textureDef.sampler ] || {};
|
|
|
-
|
|
|
- texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || LinearFilter;
|
|
|
- texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || LinearMipmapLinearFilter;
|
|
|
- texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || RepeatWrapping;
|
|
|
- texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || RepeatWrapping;
|
|
|
-
|
|
|
- parser.associations.set( texture, {
|
|
|
- type: 'textures',
|
|
|
- index: textureIndex
|
|
|
- } );
|
|
|
-
|
|
|
- return texture;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Asynchronously assigns a texture to the given material parameters.
|
|
|
- * @param {Object} materialParams
|
|
|
- * @param {string} mapName
|
|
|
- * @param {Object} mapDef
|
|
|
- * @return {Promise}
|
|
|
- */
|
|
|
- GLTFParser.prototype.assignTexture = function ( materialParams, mapName, mapDef ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
-
|
|
|
- return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {
|
|
|
-
|
|
|
- // Materials sample aoMap from UV set 1 and other maps from UV set 0 - this can't be configured
|
|
|
- // However, we will copy UV set 0 to UV set 1 on demand for aoMap
|
|
|
- if ( mapDef.texCoord !== undefined && mapDef.texCoord != 0 && ! ( mapName === 'aoMap' && mapDef.texCoord == 1 ) ) {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Custom UV set ' + mapDef.texCoord + ' for texture ' + mapName + ' not yet supported.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {
|
|
|
-
|
|
|
- var transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;
|
|
|
-
|
|
|
- if ( transform ) {
|
|
|
-
|
|
|
- var gltfReference = parser.associations.get( texture );
|
|
|
- texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );
|
|
|
- parser.associations.set( texture, gltfReference );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- materialParams[ mapName ] = texture;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Assigns final material to a Mesh, Line, or Points instance. The instance
|
|
|
- * already has a material (generated from the glTF material options alone)
|
|
|
- * but reuse of the same glTF material may require multiple threejs materials
|
|
|
- * to accomodate different primitive types, defines, etc. New materials will
|
|
|
- * be created if necessary, and reused from a cache.
|
|
|
- * @param {Object3D} mesh Mesh, Line, or Points instance.
|
|
|
- */
|
|
|
- GLTFParser.prototype.assignFinalMaterial = function ( mesh ) {
|
|
|
-
|
|
|
- var geometry = mesh.geometry;
|
|
|
- var material = mesh.material;
|
|
|
-
|
|
|
- var useVertexTangents = geometry.attributes.tangent !== undefined;
|
|
|
- var useVertexColors = geometry.attributes.color !== undefined;
|
|
|
- var useFlatShading = geometry.attributes.normal === undefined;
|
|
|
- var useSkinning = mesh.isSkinnedMesh === true;
|
|
|
- var useMorphTargets = Object.keys( geometry.morphAttributes ).length > 0;
|
|
|
- var useMorphNormals = useMorphTargets && geometry.morphAttributes.normal !== undefined;
|
|
|
-
|
|
|
- if ( mesh.isPoints ) {
|
|
|
-
|
|
|
- var cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
-
|
|
|
- var pointsMaterial = this.cache.get( cacheKey );
|
|
|
-
|
|
|
- if ( ! pointsMaterial ) {
|
|
|
-
|
|
|
- pointsMaterial = new PointsMaterial();
|
|
|
- Material.prototype.copy.call( pointsMaterial, material );
|
|
|
- pointsMaterial.color.copy( material.color );
|
|
|
- pointsMaterial.map = material.map;
|
|
|
- pointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px
|
|
|
-
|
|
|
- this.cache.add( cacheKey, pointsMaterial );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- material = pointsMaterial;
|
|
|
-
|
|
|
- } else if ( mesh.isLine ) {
|
|
|
-
|
|
|
- var cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
-
|
|
|
- var lineMaterial = this.cache.get( cacheKey );
|
|
|
-
|
|
|
- if ( ! lineMaterial ) {
|
|
|
-
|
|
|
- lineMaterial = new LineBasicMaterial();
|
|
|
- Material.prototype.copy.call( lineMaterial, material );
|
|
|
- lineMaterial.color.copy( material.color );
|
|
|
-
|
|
|
- this.cache.add( cacheKey, lineMaterial );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- material = lineMaterial;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Clone the material if it will be modified
|
|
|
- if ( useVertexTangents || useVertexColors || useFlatShading || useSkinning || useMorphTargets ) {
|
|
|
-
|
|
|
- var cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
-
|
|
|
- if ( material.isGLTFSpecularGlossinessMaterial ) cacheKey += 'specular-glossiness:';
|
|
|
- if ( useSkinning ) cacheKey += 'skinning:';
|
|
|
- if ( useVertexTangents ) cacheKey += 'vertex-tangents:';
|
|
|
- if ( useVertexColors ) cacheKey += 'vertex-colors:';
|
|
|
- if ( useFlatShading ) cacheKey += 'flat-shading:';
|
|
|
- if ( useMorphTargets ) cacheKey += 'morph-targets:';
|
|
|
- if ( useMorphNormals ) cacheKey += 'morph-normals:';
|
|
|
-
|
|
|
- var cachedMaterial = this.cache.get( cacheKey );
|
|
|
-
|
|
|
- if ( ! cachedMaterial ) {
|
|
|
-
|
|
|
- cachedMaterial = material.clone();
|
|
|
-
|
|
|
- if ( useSkinning ) cachedMaterial.skinning = true;
|
|
|
- if ( useVertexTangents ) cachedMaterial.vertexTangents = true;
|
|
|
- if ( useVertexColors ) cachedMaterial.vertexColors = true;
|
|
|
- if ( useFlatShading ) cachedMaterial.flatShading = true;
|
|
|
- if ( useMorphTargets ) cachedMaterial.morphTargets = true;
|
|
|
- if ( useMorphNormals ) cachedMaterial.morphNormals = true;
|
|
|
-
|
|
|
- this.cache.add( cacheKey, cachedMaterial );
|
|
|
-
|
|
|
- this.associations.set( cachedMaterial, this.associations.get( material ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- material = cachedMaterial;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // workarounds for mesh and geometry
|
|
|
-
|
|
|
- if ( material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined ) {
|
|
|
-
|
|
|
- geometry.setAttribute( 'uv2', geometry.attributes.uv );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
- if ( material.normalScale && ! useVertexTangents ) {
|
|
|
-
|
|
|
- material.normalScale.y = - material.normalScale.y;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( material.clearcoatNormalScale && ! useVertexTangents ) {
|
|
|
-
|
|
|
- material.clearcoatNormalScale.y = - material.clearcoatNormalScale.y;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- mesh.material = material;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.getMaterialType = function ( /* materialIndex */ ) {
|
|
|
-
|
|
|
- return MeshStandardMaterial;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
|
|
|
- * @param {number} materialIndex
|
|
|
- * @return {Promise<Material>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadMaterial = function ( materialIndex ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var materialDef = json.materials[ materialIndex ];
|
|
|
-
|
|
|
- var materialType;
|
|
|
- var materialParams = {};
|
|
|
- var materialExtensions = materialDef.extensions || {};
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] ) {
|
|
|
-
|
|
|
- var sgExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];
|
|
|
- materialType = sgExtension.getMaterialType();
|
|
|
- pending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
-
|
|
|
- } else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {
|
|
|
-
|
|
|
- var kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];
|
|
|
- materialType = kmuExtension.getMaterialType();
|
|
|
- pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- // Specification:
|
|
|
- // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
|
|
|
-
|
|
|
- var metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
-
|
|
|
- materialParams.color = new Color( 1.0, 1.0, 1.0 );
|
|
|
- materialParams.opacity = 1.0;
|
|
|
-
|
|
|
- if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
-
|
|
|
- var array = metallicRoughness.baseColorFactor;
|
|
|
-
|
|
|
- materialParams.color.fromArray( array );
|
|
|
- materialParams.opacity = array[ 3 ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
|
|
|
- materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
|
|
|
-
|
|
|
- if ( metallicRoughness.metallicRoughnessTexture !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
- pending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- materialType = this._invokeOne( function ( ext ) {
|
|
|
-
|
|
|
- return ext.getMaterialType && ext.getMaterialType( materialIndex );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- pending.push( Promise.all( this._invokeAll( function ( ext ) {
|
|
|
-
|
|
|
- return ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams );
|
|
|
-
|
|
|
- } ) ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.doubleSided === true ) {
|
|
|
-
|
|
|
- materialParams.side = DoubleSide;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
-
|
|
|
- if ( alphaMode === ALPHA_MODES.BLEND ) {
|
|
|
-
|
|
|
- materialParams.transparent = true;
|
|
|
-
|
|
|
- // See: https://github.com/mrdoob/three.js/issues/17706
|
|
|
- materialParams.depthWrite = false;
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- materialParams.transparent = false;
|
|
|
-
|
|
|
- if ( alphaMode === ALPHA_MODES.MASK ) {
|
|
|
-
|
|
|
- materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.normalTexture !== undefined && materialType !== MeshBasicMaterial ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) );
|
|
|
-
|
|
|
- materialParams.normalScale = new Vector2( 1, 1 );
|
|
|
-
|
|
|
- if ( materialDef.normalTexture.scale !== undefined ) {
|
|
|
-
|
|
|
- materialParams.normalScale.set( materialDef.normalTexture.scale, materialDef.normalTexture.scale );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.occlusionTexture !== undefined && materialType !== MeshBasicMaterial ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );
|
|
|
-
|
|
|
- if ( materialDef.occlusionTexture.strength !== undefined ) {
|
|
|
-
|
|
|
- materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.emissiveFactor !== undefined && materialType !== MeshBasicMaterial ) {
|
|
|
-
|
|
|
- materialParams.emissive = new Color().fromArray( materialDef.emissiveFactor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.emissiveTexture !== undefined && materialType !== MeshBasicMaterial ) {
|
|
|
-
|
|
|
- pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
-
|
|
|
- var material;
|
|
|
-
|
|
|
- if ( materialType === GLTFMeshStandardSGMaterial ) {
|
|
|
-
|
|
|
- material = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- material = new materialType( materialParams );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( materialDef.name ) material.name = materialDef.name;
|
|
|
-
|
|
|
- // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding.
|
|
|
- if ( material.map ) material.map.encoding = sRGBEncoding;
|
|
|
- if ( material.emissiveMap ) material.emissiveMap.encoding = sRGBEncoding;
|
|
|
-
|
|
|
- assignExtrasToUserData( material, materialDef );
|
|
|
-
|
|
|
- parser.associations.set( material, { type: 'materials', index: materialIndex } );
|
|
|
-
|
|
|
- if ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );
|
|
|
-
|
|
|
- return material;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /** When Object3D instances are targeted by animation, they need unique names. */
|
|
|
- GLTFParser.prototype.createUniqueName = function ( originalName ) {
|
|
|
-
|
|
|
- var name = PropertyBinding.sanitizeNodeName( originalName || '' );
|
|
|
-
|
|
|
- for ( var i = 1; this.nodeNamesUsed[ name ]; ++ i ) {
|
|
|
-
|
|
|
- name = originalName + '_' + i;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- this.nodeNamesUsed[ name ] = true;
|
|
|
-
|
|
|
- return name;
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
- * @param {GLTFParser} parser
|
|
|
- */
|
|
|
- function computeBounds( geometry, primitiveDef, parser ) {
|
|
|
-
|
|
|
- var attributes = primitiveDef.attributes;
|
|
|
-
|
|
|
- var box = new Box3();
|
|
|
-
|
|
|
- if ( attributes.POSITION !== undefined ) {
|
|
|
-
|
|
|
- var accessor = parser.json.accessors[ attributes.POSITION ];
|
|
|
-
|
|
|
- var min = accessor.min;
|
|
|
- var max = accessor.max;
|
|
|
-
|
|
|
- // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
-
|
|
|
- if ( min !== undefined && max !== undefined ) {
|
|
|
-
|
|
|
- box.set(
|
|
|
- new Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ),
|
|
|
- new Vector3( max[ 0 ], max[ 1 ], max[ 2 ] ) );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
-
|
|
|
- return;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- return;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var targets = primitiveDef.targets;
|
|
|
-
|
|
|
- if ( targets !== undefined ) {
|
|
|
-
|
|
|
- var maxDisplacement = new Vector3();
|
|
|
- var vector = new Vector3();
|
|
|
-
|
|
|
- for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var target = targets[ i ];
|
|
|
-
|
|
|
- if ( target.POSITION !== undefined ) {
|
|
|
-
|
|
|
- var accessor = parser.json.accessors[ target.POSITION ];
|
|
|
- var min = accessor.min;
|
|
|
- var max = accessor.max;
|
|
|
-
|
|
|
- // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
-
|
|
|
- if ( min !== undefined && max !== undefined ) {
|
|
|
-
|
|
|
- // we need to get max of absolute components because target weight is [-1,1]
|
|
|
- vector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) );
|
|
|
- vector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) );
|
|
|
- vector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) );
|
|
|
-
|
|
|
- // Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative
|
|
|
- // to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets
|
|
|
- // are used to implement key-frame animations and as such only two are active at a time - this results in very large
|
|
|
- // boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.
|
|
|
- maxDisplacement.max( vector );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.
|
|
|
- box.expandByVector( maxDisplacement );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- geometry.boundingBox = box;
|
|
|
-
|
|
|
- var sphere = new Sphere();
|
|
|
-
|
|
|
- box.getCenter( sphere.center );
|
|
|
- sphere.radius = box.min.distanceTo( box.max ) / 2;
|
|
|
-
|
|
|
- geometry.boundingSphere = sphere;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
- * @param {GLTFParser} parser
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
- */
|
|
|
- function addPrimitiveAttributes( geometry, primitiveDef, parser ) {
|
|
|
-
|
|
|
- var attributes = primitiveDef.attributes;
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- function assignAttributeAccessor( accessorIndex, attributeName ) {
|
|
|
-
|
|
|
- return parser.getDependency( 'accessor', accessorIndex )
|
|
|
- .then( function ( accessor ) {
|
|
|
-
|
|
|
- geometry.setAttribute( attributeName, accessor );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- for ( var gltfAttributeName in attributes ) {
|
|
|
-
|
|
|
- var threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase();
|
|
|
-
|
|
|
- // Skip attributes already provided by e.g. Draco extension.
|
|
|
- if ( threeAttributeName in geometry.attributes ) continue;
|
|
|
-
|
|
|
- pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( primitiveDef.indices !== undefined && ! geometry.index ) {
|
|
|
-
|
|
|
- var accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {
|
|
|
-
|
|
|
- geometry.setIndex( accessor );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- pending.push( accessor );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- assignExtrasToUserData( geometry, primitiveDef );
|
|
|
-
|
|
|
- computeBounds( geometry, primitiveDef, parser );
|
|
|
-
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
-
|
|
|
- return primitiveDef.targets !== undefined
|
|
|
- ? addMorphTargets( geometry, primitiveDef.targets, parser )
|
|
|
- : geometry;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {Number} drawMode
|
|
|
- * @return {BufferGeometry}
|
|
|
- */
|
|
|
- function toTrianglesDrawMode( geometry, drawMode ) {
|
|
|
-
|
|
|
- var index = geometry.getIndex();
|
|
|
-
|
|
|
- // generate index if not present
|
|
|
-
|
|
|
- if ( index === null ) {
|
|
|
-
|
|
|
- var indices = [];
|
|
|
-
|
|
|
- var position = geometry.getAttribute( 'position' );
|
|
|
-
|
|
|
- if ( position !== undefined ) {
|
|
|
-
|
|
|
- for ( var i = 0; i < position.count; i ++ ) {
|
|
|
-
|
|
|
- indices.push( i );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- geometry.setIndex( indices );
|
|
|
- index = geometry.getIndex();
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );
|
|
|
- return geometry;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- //
|
|
|
-
|
|
|
- var numberOfTriangles = index.count - 2;
|
|
|
- var newIndices = [];
|
|
|
-
|
|
|
- if ( drawMode === TriangleFanDrawMode ) {
|
|
|
-
|
|
|
- // gl.TRIANGLE_FAN
|
|
|
-
|
|
|
- for ( var i = 1; i <= numberOfTriangles; i ++ ) {
|
|
|
-
|
|
|
- newIndices.push( index.getX( 0 ) );
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- // gl.TRIANGLE_STRIP
|
|
|
-
|
|
|
- for ( var i = 0; i < numberOfTriangles; i ++ ) {
|
|
|
-
|
|
|
- if ( i % 2 === 0 ) {
|
|
|
-
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
- newIndices.push( index.getX( i + 2 ) );
|
|
|
-
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- newIndices.push( index.getX( i + 2 ) );
|
|
|
- newIndices.push( index.getX( i + 1 ) );
|
|
|
- newIndices.push( index.getX( i ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( ( newIndices.length / 3 ) !== numberOfTriangles ) {
|
|
|
-
|
|
|
- console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // build final geometry
|
|
|
-
|
|
|
- var newGeometry = geometry.clone();
|
|
|
- newGeometry.setIndex( newIndices );
|
|
|
-
|
|
|
- return newGeometry;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
|
|
|
- *
|
|
|
- * Creates BufferGeometries from primitives.
|
|
|
- *
|
|
|
- * @param {Array<GLTF.Primitive>} primitives
|
|
|
- * @return {Promise<Array<BufferGeometry>>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadGeometries = function ( primitives ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var extensions = this.extensions;
|
|
|
- var cache = this.primitiveCache;
|
|
|
-
|
|
|
- function createDracoPrimitive( primitive ) {
|
|
|
-
|
|
|
- return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ]
|
|
|
- .decodePrimitive( primitive, parser )
|
|
|
- .then( function ( geometry ) {
|
|
|
-
|
|
|
- return addPrimitiveAttributes( geometry, primitive, parser );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var primitive = primitives[ i ];
|
|
|
- var cacheKey = createPrimitiveKey( primitive );
|
|
|
-
|
|
|
- // See if we've already created this geometry
|
|
|
- var cached = cache[ cacheKey ];
|
|
|
-
|
|
|
- if ( cached ) {
|
|
|
-
|
|
|
- // Use the cached geometry if it exists
|
|
|
- pending.push( cached.promise );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- var geometryPromise;
|
|
|
-
|
|
|
- if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {
|
|
|
-
|
|
|
- // Use DRACO geometry if available
|
|
|
- geometryPromise = createDracoPrimitive( primitive );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- // Otherwise create a new geometry
|
|
|
- geometryPromise = addPrimitiveAttributes( new BufferGeometry(), primitive, parser );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- // Cache this geometry
|
|
|
- cache[ cacheKey ] = { primitive: primitive, promise: geometryPromise };
|
|
|
-
|
|
|
- pending.push( geometryPromise );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
|
|
|
- * @param {number} meshIndex
|
|
|
- * @return {Promise<Group|Mesh|SkinnedMesh>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadMesh = function ( meshIndex ) {
|
|
|
-
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
-
|
|
|
- var meshDef = json.meshes[ meshIndex ];
|
|
|
- var primitives = meshDef.primitives;
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var material = primitives[ i ].material === undefined
|
|
|
- ? createDefaultMaterial( this.cache )
|
|
|
- : this.getDependency( 'material', primitives[ i ].material );
|
|
|
-
|
|
|
- pending.push( material );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- pending.push( parser.loadGeometries( primitives ) );
|
|
|
-
|
|
|
- return Promise.all( pending ).then( function ( results ) {
|
|
|
-
|
|
|
- var materials = results.slice( 0, results.length - 1 );
|
|
|
- var geometries = results[ results.length - 1 ];
|
|
|
-
|
|
|
- var meshes = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = geometries.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var geometry = geometries[ i ];
|
|
|
- var primitive = primitives[ i ];
|
|
|
-
|
|
|
- // 1. create Mesh
|
|
|
-
|
|
|
- var mesh;
|
|
|
-
|
|
|
- var material = materials[ i ];
|
|
|
-
|
|
|
- if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES ||
|
|
|
- primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ||
|
|
|
- primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ||
|
|
|
- primitive.mode === undefined ) {
|
|
|
-
|
|
|
- // .isSkinnedMesh isn't in glTF spec. See ._markDefs()
|
|
|
- mesh = meshDef.isSkinnedMesh === true
|
|
|
- ? new SkinnedMesh( geometry, material )
|
|
|
- : new Mesh( geometry, material );
|
|
|
-
|
|
|
- if ( mesh.isSkinnedMesh === true && ! mesh.geometry.attributes.skinWeight.normalized ) {
|
|
|
-
|
|
|
- // we normalize floating point skin weight array to fix malformed assets (see #15319)
|
|
|
- // it's important to skip this for non-float32 data since normalizeSkinWeights assumes non-normalized inputs
|
|
|
- mesh.normalizeSkinWeights();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {
|
|
|
-
|
|
|
- mesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleStripDrawMode );
|
|
|
-
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {
|
|
|
-
|
|
|
- mesh.geometry = toTrianglesDrawMode( mesh.geometry, TriangleFanDrawMode );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
|
|
|
-
|
|
|
- mesh = new LineSegments( geometry, material );
|
|
|
-
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {
|
|
|
-
|
|
|
- mesh = new Line( geometry, material );
|
|
|
-
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {
|
|
|
-
|
|
|
- mesh = new LineLoop( geometry, material );
|
|
|
-
|
|
|
- } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {
|
|
|
-
|
|
|
- mesh = new Points( geometry, material );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) {
|
|
|
-
|
|
|
- updateMorphTargets( mesh, meshDef );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- mesh.name = parser.createUniqueName( meshDef.name || ( 'mesh_' + meshIndex ) );
|
|
|
-
|
|
|
- if ( geometries.length > 1 ) mesh.name += '_' + i;
|
|
|
-
|
|
|
- assignExtrasToUserData( mesh, meshDef );
|
|
|
-
|
|
|
- parser.assignFinalMaterial( mesh );
|
|
|
-
|
|
|
- meshes.push( mesh );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( meshes.length === 1 ) {
|
|
|
-
|
|
|
- return meshes[ 0 ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var group = new Group();
|
|
|
-
|
|
|
- for ( var i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- group.add( meshes[ i ] );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return group;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
|
|
|
- * @param {number} cameraIndex
|
|
|
- * @return {Promise<THREE.Camera>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadCamera = function ( cameraIndex ) {
|
|
|
-
|
|
|
- var camera;
|
|
|
- var cameraDef = this.json.cameras[ cameraIndex ];
|
|
|
- var params = cameraDef[ cameraDef.type ];
|
|
|
-
|
|
|
- if ( ! params ) {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Missing camera parameters.' );
|
|
|
- return;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( cameraDef.type === 'perspective' ) {
|
|
|
-
|
|
|
- camera = new PerspectiveCamera( MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );
|
|
|
-
|
|
|
- } else if ( cameraDef.type === 'orthographic' ) {
|
|
|
-
|
|
|
- camera = new OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );
|
|
|
-
|
|
|
- assignExtrasToUserData( camera, cameraDef );
|
|
|
-
|
|
|
- return Promise.resolve( camera );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
|
|
|
- * @param {number} skinIndex
|
|
|
- * @return {Promise<Object>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadSkin = function ( skinIndex ) {
|
|
|
-
|
|
|
- var skinDef = this.json.skins[ skinIndex ];
|
|
|
-
|
|
|
- var skinEntry = { joints: skinDef.joints };
|
|
|
-
|
|
|
- if ( skinDef.inverseBindMatrices === undefined ) {
|
|
|
-
|
|
|
- return Promise.resolve( skinEntry );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) {
|
|
|
-
|
|
|
- skinEntry.inverseBindMatrices = accessor;
|
|
|
-
|
|
|
- return skinEntry;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
|
|
|
- * @param {number} animationIndex
|
|
|
- * @return {Promise<AnimationClip>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadAnimation = function ( animationIndex ) {
|
|
|
-
|
|
|
- var json = this.json;
|
|
|
-
|
|
|
- var animationDef = json.animations[ animationIndex ];
|
|
|
-
|
|
|
- var pendingNodes = [];
|
|
|
- var pendingInputAccessors = [];
|
|
|
- var pendingOutputAccessors = [];
|
|
|
- var pendingSamplers = [];
|
|
|
- var pendingTargets = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = animationDef.channels.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var channel = animationDef.channels[ i ];
|
|
|
- var sampler = animationDef.samplers[ channel.sampler ];
|
|
|
- var target = channel.target;
|
|
|
- var name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.
|
|
|
- var input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;
|
|
|
- var output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;
|
|
|
-
|
|
|
- pendingNodes.push( this.getDependency( 'node', name ) );
|
|
|
- pendingInputAccessors.push( this.getDependency( 'accessor', input ) );
|
|
|
- pendingOutputAccessors.push( this.getDependency( 'accessor', output ) );
|
|
|
- pendingSamplers.push( sampler );
|
|
|
- pendingTargets.push( target );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( [
|
|
|
-
|
|
|
- Promise.all( pendingNodes ),
|
|
|
- Promise.all( pendingInputAccessors ),
|
|
|
- Promise.all( pendingOutputAccessors ),
|
|
|
- Promise.all( pendingSamplers ),
|
|
|
- Promise.all( pendingTargets )
|
|
|
-
|
|
|
- ] ).then( function ( dependencies ) {
|
|
|
-
|
|
|
- var nodes = dependencies[ 0 ];
|
|
|
- var inputAccessors = dependencies[ 1 ];
|
|
|
- var outputAccessors = dependencies[ 2 ];
|
|
|
- var samplers = dependencies[ 3 ];
|
|
|
- var targets = dependencies[ 4 ];
|
|
|
-
|
|
|
- var tracks = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = nodes.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var node = nodes[ i ];
|
|
|
- var inputAccessor = inputAccessors[ i ];
|
|
|
- var outputAccessor = outputAccessors[ i ];
|
|
|
- var sampler = samplers[ i ];
|
|
|
- var target = targets[ i ];
|
|
|
-
|
|
|
- if ( node === undefined ) continue;
|
|
|
-
|
|
|
- node.updateMatrix();
|
|
|
- node.matrixAutoUpdate = true;
|
|
|
-
|
|
|
- var TypedKeyframeTrack;
|
|
|
-
|
|
|
- switch ( PATH_PROPERTIES[ target.path ] ) {
|
|
|
-
|
|
|
- case PATH_PROPERTIES.weights:
|
|
|
-
|
|
|
- TypedKeyframeTrack = NumberKeyframeTrack;
|
|
|
- break;
|
|
|
-
|
|
|
- case PATH_PROPERTIES.rotation:
|
|
|
-
|
|
|
- TypedKeyframeTrack = QuaternionKeyframeTrack;
|
|
|
- break;
|
|
|
-
|
|
|
- case PATH_PROPERTIES.position:
|
|
|
- case PATH_PROPERTIES.scale:
|
|
|
- default:
|
|
|
-
|
|
|
- TypedKeyframeTrack = VectorKeyframeTrack;
|
|
|
- break;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var targetName = node.name ? node.name : node.uuid;
|
|
|
-
|
|
|
- var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : InterpolateLinear;
|
|
|
-
|
|
|
- var targetNames = [];
|
|
|
-
|
|
|
- if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {
|
|
|
-
|
|
|
- // Node may be a Group (glTF mesh with several primitives) or a Mesh.
|
|
|
- node.traverse( function ( object ) {
|
|
|
-
|
|
|
- if ( object.isMesh === true && object.morphTargetInfluences ) {
|
|
|
-
|
|
|
- targetNames.push( object.name ? object.name : object.uuid );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- targetNames.push( targetName );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var outputArray = outputAccessor.array;
|
|
|
-
|
|
|
- if ( outputAccessor.normalized ) {
|
|
|
-
|
|
|
- var scale;
|
|
|
-
|
|
|
- if ( outputArray.constructor === Int8Array ) {
|
|
|
-
|
|
|
- scale = 1 / 127;
|
|
|
-
|
|
|
- } else if ( outputArray.constructor === Uint8Array ) {
|
|
|
-
|
|
|
- scale = 1 / 255;
|
|
|
-
|
|
|
- } else if ( outputArray.constructor == Int16Array ) {
|
|
|
-
|
|
|
- scale = 1 / 32767;
|
|
|
-
|
|
|
- } else if ( outputArray.constructor === Uint16Array ) {
|
|
|
-
|
|
|
- scale = 1 / 65535;
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- throw new Error( 'THREE.GLTFLoader: Unsupported output accessor component type.' );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var scaled = new Float32Array( outputArray.length );
|
|
|
-
|
|
|
- for ( var j = 0, jl = outputArray.length; j < jl; j ++ ) {
|
|
|
-
|
|
|
- scaled[ j ] = outputArray[ j ] * scale;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- outputArray = scaled;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- for ( var j = 0, jl = targetNames.length; j < jl; j ++ ) {
|
|
|
-
|
|
|
- var track = new TypedKeyframeTrack(
|
|
|
- targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ],
|
|
|
- inputAccessor.array,
|
|
|
- outputArray,
|
|
|
- interpolation
|
|
|
- );
|
|
|
-
|
|
|
- // Override interpolation with custom factory method.
|
|
|
- if ( sampler.interpolation === 'CUBICSPLINE' ) {
|
|
|
-
|
|
|
- track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {
|
|
|
-
|
|
|
- // A CUBICSPLINE keyframe in glTF has three output values for each input value,
|
|
|
- // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()
|
|
|
- // must be divided by three to get the interpolant's sampleSize argument.
|
|
|
-
|
|
|
- return new GLTFCubicSplineInterpolant( this.times, this.values, this.getValueSize() / 3, result );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.
|
|
|
- track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- tracks.push( track );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- var name = animationDef.name ? animationDef.name : 'animation_' + animationIndex;
|
|
|
-
|
|
|
- return new AnimationClip( name, undefined, tracks );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
|
|
|
- * @param {number} nodeIndex
|
|
|
- * @return {Promise<Object3D>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadNode = function ( nodeIndex ) {
|
|
|
-
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var parser = this;
|
|
|
-
|
|
|
- var nodeDef = json.nodes[ nodeIndex ];
|
|
|
-
|
|
|
- // reserve node's name before its dependencies, so the root has the intended name.
|
|
|
- var nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';
|
|
|
-
|
|
|
- return ( function () {
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if ( nodeDef.mesh !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {
|
|
|
-
|
|
|
- var node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh );
|
|
|
-
|
|
|
- // if weights are provided on the node, override weights on the mesh.
|
|
|
- if ( nodeDef.weights !== undefined ) {
|
|
|
-
|
|
|
- node.traverse( function ( o ) {
|
|
|
-
|
|
|
- if ( ! o.isMesh ) return;
|
|
|
-
|
|
|
- for ( var i = 0, il = nodeDef.weights.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- o.morphTargetInfluences[ i ] = nodeDef.weights[ i ];
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return node;
|
|
|
-
|
|
|
- } ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( nodeDef.camera !== undefined ) {
|
|
|
-
|
|
|
- pending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {
|
|
|
-
|
|
|
- return parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );
|
|
|
-
|
|
|
- } ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- parser._invokeAll( function ( ext ) {
|
|
|
-
|
|
|
- return ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex );
|
|
|
-
|
|
|
- } ).forEach( function ( promise ) {
|
|
|
-
|
|
|
- pending.push( promise );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- }() ).then( function ( objects ) {
|
|
|
-
|
|
|
- var node;
|
|
|
-
|
|
|
- // .isBone isn't in glTF spec. See ._markDefs
|
|
|
- if ( nodeDef.isBone === true ) {
|
|
|
-
|
|
|
- node = new Bone();
|
|
|
-
|
|
|
- } else if ( objects.length > 1 ) {
|
|
|
-
|
|
|
- node = new Group();
|
|
|
-
|
|
|
- } else if ( objects.length === 1 ) {
|
|
|
-
|
|
|
- node = objects[ 0 ];
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- node = new Object3D();
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( node !== objects[ 0 ] ) {
|
|
|
-
|
|
|
- for ( var i = 0, il = objects.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- node.add( objects[ i ] );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( nodeDef.name ) {
|
|
|
-
|
|
|
- node.userData.name = nodeDef.name;
|
|
|
- node.name = nodeName;
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- assignExtrasToUserData( node, nodeDef );
|
|
|
-
|
|
|
- if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );
|
|
|
-
|
|
|
- if ( nodeDef.matrix !== undefined ) {
|
|
|
-
|
|
|
- var matrix = new Matrix4();
|
|
|
- matrix.fromArray( nodeDef.matrix );
|
|
|
- node.applyMatrix4( matrix );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- if ( nodeDef.translation !== undefined ) {
|
|
|
-
|
|
|
- node.position.fromArray( nodeDef.translation );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( nodeDef.rotation !== undefined ) {
|
|
|
-
|
|
|
- node.quaternion.fromArray( nodeDef.rotation );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- if ( nodeDef.scale !== undefined ) {
|
|
|
-
|
|
|
- node.scale.fromArray( nodeDef.scale );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- parser.associations.set( node, { type: 'nodes', index: nodeIndex } );
|
|
|
-
|
|
|
- return node;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
|
|
|
- * @param {number} sceneIndex
|
|
|
- * @return {Promise<Group>}
|
|
|
- */
|
|
|
- GLTFParser.prototype.loadScene = function () {
|
|
|
-
|
|
|
- // scene node hierachy builder
|
|
|
-
|
|
|
- function buildNodeHierachy( nodeId, parentObject, json, parser ) {
|
|
|
-
|
|
|
- var nodeDef = json.nodes[ nodeId ];
|
|
|
-
|
|
|
- return parser.getDependency( 'node', nodeId ).then( function ( node ) {
|
|
|
-
|
|
|
- if ( nodeDef.skin === undefined ) return node;
|
|
|
-
|
|
|
- // build skeleton here as well
|
|
|
-
|
|
|
- var skinEntry;
|
|
|
-
|
|
|
- return parser.getDependency( 'skin', nodeDef.skin ).then( function ( skin ) {
|
|
|
-
|
|
|
- skinEntry = skin;
|
|
|
-
|
|
|
- var pendingJoints = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = skinEntry.joints.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- pendingJoints.push( parser.getDependency( 'node', skinEntry.joints[ i ] ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pendingJoints );
|
|
|
-
|
|
|
- } ).then( function ( jointNodes ) {
|
|
|
-
|
|
|
- node.traverse( function ( mesh ) {
|
|
|
-
|
|
|
- if ( ! mesh.isMesh ) return;
|
|
|
-
|
|
|
- var bones = [];
|
|
|
- var boneInverses = [];
|
|
|
-
|
|
|
- for ( var j = 0, jl = jointNodes.length; j < jl; j ++ ) {
|
|
|
-
|
|
|
- var jointNode = jointNodes[ j ];
|
|
|
-
|
|
|
- if ( jointNode ) {
|
|
|
-
|
|
|
- bones.push( jointNode );
|
|
|
-
|
|
|
- var mat = new Matrix4();
|
|
|
-
|
|
|
- if ( skinEntry.inverseBindMatrices !== undefined ) {
|
|
|
-
|
|
|
- mat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- boneInverses.push( mat );
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[ j ] );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- mesh.bind( new Skeleton( bones, boneInverses ), mesh.matrixWorld );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- return node;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- } ).then( function ( node ) {
|
|
|
-
|
|
|
- // build node hierachy
|
|
|
-
|
|
|
- parentObject.add( node );
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if ( nodeDef.children ) {
|
|
|
-
|
|
|
- var children = nodeDef.children;
|
|
|
-
|
|
|
- for ( var i = 0, il = children.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- var child = children[ i ];
|
|
|
- pending.push( buildNodeHierachy( child, node, json, parser ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending );
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return function loadScene( sceneIndex ) {
|
|
|
-
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var sceneDef = this.json.scenes[ sceneIndex ];
|
|
|
- var parser = this;
|
|
|
-
|
|
|
- // Loader returns Group, not Scene.
|
|
|
- // See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172
|
|
|
- var scene = new Group();
|
|
|
- if ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );
|
|
|
-
|
|
|
- assignExtrasToUserData( scene, sceneDef );
|
|
|
-
|
|
|
- if ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );
|
|
|
-
|
|
|
- var nodeIds = sceneDef.nodes || [];
|
|
|
-
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- for ( var i = 0, il = nodeIds.length; i < il; i ++ ) {
|
|
|
-
|
|
|
- pending.push( buildNodeHierachy( nodeIds[ i ], scene, json, parser ) );
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- return Promise.all( pending ).then( function () {
|
|
|
-
|
|
|
- return scene;
|
|
|
-
|
|
|
- } );
|
|
|
-
|
|
|
- };
|
|
|
-
|
|
|
- }();
|
|
|
-
|
|
|
- return GLTFLoader;
|
|
|
-
|
|
|
-} )();
|
|
|
-
|
|
|
-export { GLTFLoader };
|
