refactor: sync managers and section box actions

Wire section box scale/reverse/reset to clipping APIs and sync demo artifacts.

demo/assets/svg/rotate-orbit.svg

@@ -0,0 +1 @@
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demo/draco/DRACOLoader.js

@@ -0,0 +1,739 @@
+import {
+	BufferAttribute,
+	BufferGeometry,
+	Color,
+	ColorManagement,
+	FileLoader,
+	Loader,
+	LinearSRGBColorSpace,
+	SRGBColorSpace,
+	InterleavedBuffer,
+	InterleavedBufferAttribute
+} from 'three';
+
+const _taskCache = new WeakMap();
+
+/**
+ * A loader for the Draco format.
+ *
+ * [Draco](https://google.github.io/draco/) is an open source library for compressing
+ * and decompressing 3D meshes and point clouds. Compressed geometry can be significantly smaller,
+ * at the cost of additional decoding time on the client device.
+ *
+ * Standalone Draco files have a `.drc` extension, and contain vertex positions, normals, colors,
+ * and other attributes. Draco files do not contain materials, textures, animation, or node hierarchies –
+ * to use these features, embed Draco geometry inside of a glTF file. A normal glTF file can be converted
+ * to a Draco-compressed glTF file using [glTF-Pipeline](https://github.com/CesiumGS/gltf-pipeline).
+ * When using Draco with glTF, an instance of `DRACOLoader` will be used internally by {@link GLTFLoader}.
+ *
+ * It is recommended to create one DRACOLoader instance and reuse it to avoid loading and creating
+ * multiple decoder instances.
+ *
+ * `DRACOLoader` will automatically use either the JS or the WASM decoding library, based on
+ * browser capabilities.
+ *
+ * ```js
+ * const loader = new DRACOLoader();
+ * loader.setDecoderPath( '/examples/jsm/libs/draco/' );
+ *
+ * const geometry = await dracoLoader.loadAsync( 'models/draco/bunny.drc' );
+ * geometry.computeVertexNormals(); // optional
+ *
+ * dracoLoader.dispose();
+ * ```
+ *
+ * @augments Loader
+ * @three_import import { DRACOLoader } from 'three/addons/loaders/DRACOLoader.js';
+ */
+class DRACOLoader extends Loader {
+
+	/**
+	 * Constructs a new Draco loader.
+	 *
+	 * @param {LoadingManager} [manager] - The loading manager.
+	 */
+	constructor( manager ) {
+
+		super( manager );
+
+		this.decoderPath = '';
+		this.decoderConfig = {};
+		this.decoderBinary = null;
+		this.decoderPending = null;
+
+		this.workerLimit = 4;
+		this.workerPool = [];
+		this.workerNextTaskID = 1;
+		this.workerSourceURL = '';
+
+		this.defaultAttributeIDs = {
+			position: 'POSITION',
+			normal: 'NORMAL',
+			color: 'COLOR',
+			uv: 'TEX_COORD'
+		};
+		this.defaultAttributeTypes = {
+			position: 'Float32Array',
+			normal: 'Float32Array',
+			color: 'Float32Array',
+			uv: 'Float32Array'
+		};
+
+	}
+
+	/**
+	 * Provides configuration for the decoder libraries. Configuration cannot be changed after decoding begins.
+	 *
+	 * @param {string} path - The decoder path.
+	 * @return {DRACOLoader} A reference to this loader.
+	 */
+	setDecoderPath( path ) {
+
+		this.decoderPath = path;
+
+		return this;
+
+	}
+
+	/**
+	 * Provides configuration for the decoder libraries. Configuration cannot be changed after decoding begins.
+	 *
+	 * @param {{type:('js'|'wasm')}} config - The decoder config.
+	 * @return {DRACOLoader} A reference to this loader.
+	 */
+	setDecoderConfig( config ) {
+
+		this.decoderConfig = config;
+
+		return this;
+
+	}
+
+	/**
+	 * Sets the maximum number of Web Workers to be used during decoding.
+	 * A lower limit may be preferable if workers are also for other tasks in the application.
+	 *
+	 * @param {number} workerLimit - The worker limit.
+	 * @return {DRACOLoader} A reference to this loader.
+	 */
+	setWorkerLimit( workerLimit ) {
+
+		this.workerLimit = workerLimit;
+
+		return this;
+
+	}
+
+	/**
+	 * Starts loading from the given URL and passes the loaded Draco asset
+	 * to the `onLoad()` callback.
+	 *
+	 * @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.
+	 * @param {function(BufferGeometry)} onLoad - Executed when the loading process has been finished.
+	 * @param {onProgressCallback} onProgress - Executed while the loading is in progress.
+	 * @param {onErrorCallback} onError - Executed when errors occur.
+	 */
+	load( url, onLoad, onProgress, onError ) {
+
+		const loader = new FileLoader( this.manager );
+
+		loader.setPath( this.path );
+		loader.setResponseType( 'arraybuffer' );
+		loader.setRequestHeader( this.requestHeader );
+		loader.setWithCredentials( this.withCredentials );
+
+		loader.load( url, ( buffer ) => {
+
+			this.parse( buffer, onLoad, onError );
+
+		}, onProgress, onError );
+
+	}
+
+	/**
+	 * Parses the given Draco data.
+	 *
+	 * @param {ArrayBuffer} buffer - The raw Draco data as an array buffer.
+	 * @param {function(BufferGeometry)} onLoad - Executed when the loading/parsing process has been finished.
+	 * @param {onErrorCallback} onError - Executed when errors occur.
+	 */
+	parse( buffer, onLoad, onError = ()=>{} ) {
+
+		this.decodeDracoFile( buffer, onLoad, null, null, SRGBColorSpace, onError ).catch( onError );
+
+	}
+
+	//
+
+	decodeDracoFile( buffer, callback, attributeIDs, attributeTypes, vertexColorSpace = LinearSRGBColorSpace, onError = () => {} ) {
+
+		const taskConfig = {
+			attributeIDs: attributeIDs || this.defaultAttributeIDs,
+			attributeTypes: attributeTypes || this.defaultAttributeTypes,
+			useUniqueIDs: !! attributeIDs,
+			vertexColorSpace: vertexColorSpace,
+		};
+
+		return this.decodeGeometry( buffer, taskConfig ).then( callback ).catch( onError );
+
+	}
+
+	decodeGeometry( buffer, taskConfig ) {
+
+		const taskKey = JSON.stringify( taskConfig );
+
+		// Check for an existing task using this buffer. A transferred buffer cannot be transferred
+		// again from this thread.
+		if ( _taskCache.has( buffer ) ) {
+
+			const cachedTask = _taskCache.get( buffer );
+
+			if ( cachedTask.key === taskKey ) {
+
+				return cachedTask.promise;
+
+			} else if ( buffer.byteLength === 0 ) {
+
+				// Technically, it would be possible to wait for the previous task to complete,
+				// transfer the buffer back, and decode again with the second configuration. That
+				// is complex, and I don't know of any reason to decode a Draco buffer twice in
+				// different ways, so this is left unimplemented.
+				throw new Error(
+
+					'THREE.DRACOLoader: Unable to re-decode a buffer with different ' +
+					'settings. Buffer has already been transferred.'
+
+				);
+
+			}
+
+		}
+
+		//
+
+		let worker;
+		const taskID = this.workerNextTaskID ++;
+		const taskCost = buffer.byteLength;
+
+		// Obtain a worker and assign a task, and construct a geometry instance
+		// when the task completes.
+		const geometryPending = this._getWorker( taskID, taskCost )
+			.then( ( _worker ) => {
+
+				worker = _worker;
+
+				return new Promise( ( resolve, reject ) => {
+
+					worker._callbacks[ taskID ] = { resolve, reject };
+
+					worker.postMessage( { type: 'decode', id: taskID, taskConfig, buffer }, [ buffer ] );
+
+					// this.debug();
+
+				} );
+
+			} )
+			.then( ( message ) => this._createGeometry( message.geometry ) );
+
+		// Remove task from the task list.
+		// Note: replaced '.finally()' with '.catch().then()' block - iOS 11 support (#19416)
+		geometryPending
+			.catch( () => true )
+			.then( () => {
+
+				if ( worker && taskID ) {
+
+					this._releaseTask( worker, taskID );
+
+					// this.debug();
+
+				}
+
+			} );
+
+		// Cache the task result.
+		_taskCache.set( buffer, {
+
+			key: taskKey,
+			promise: geometryPending
+
+		} );
+
+		return geometryPending;
+
+	}
+
+	_createGeometry( geometryData ) {
+
+		const geometry = new BufferGeometry();
+
+		if ( geometryData.index ) {
+
+			geometry.setIndex( new BufferAttribute( geometryData.index.array, 1 ) );
+
+		}
+
+		for ( let i = 0; i < geometryData.attributes.length; i ++ ) {
+
+			const { name, array, itemSize, stride, vertexColorSpace } = geometryData.attributes[ i ];
+
+			let attribute;
+
+			if ( itemSize === stride ) {
+
+				attribute = new BufferAttribute( array, itemSize );
+
+			} else {
+
+				const buffer = new InterleavedBuffer( array, stride );
+
+				attribute = new InterleavedBufferAttribute( buffer, itemSize, 0 );
+
+			}
+
+			if ( name === 'color' ) {
+
+				this._assignVertexColorSpace( attribute, vertexColorSpace );
+
+				attribute.normalized = ( array instanceof Float32Array ) === false;
+
+			}
+
+			geometry.setAttribute( name, attribute );
+
+		}
+
+		return geometry;
+
+	}
+
+	_assignVertexColorSpace( attribute, inputColorSpace ) {
+
+		// While .drc files do not specify colorspace, the only 'official' tooling
+		// is PLY and OBJ converters, which use sRGB. We'll assume sRGB when a .drc
+		// file is passed into .load() or .parse(). GLTFLoader uses internal APIs
+		// to decode geometry, and vertex colors are already Linear-sRGB in there.
+
+		if ( inputColorSpace !== SRGBColorSpace ) return;
+
+		const _color = new Color();
+
+		for ( let i = 0, il = attribute.count; i < il; i ++ ) {
+
+			_color.fromBufferAttribute( attribute, i );
+			ColorManagement.colorSpaceToWorking( _color, SRGBColorSpace );
+			attribute.setXYZ( i, _color.r, _color.g, _color.b );
+
+		}
+
+	}
+
+	_loadLibrary( url, responseType ) {
+
+		const loader = new FileLoader( this.manager );
+		loader.setPath( this.decoderPath );
+		loader.setResponseType( responseType );
+		loader.setWithCredentials( this.withCredentials );
+
+		return new Promise( ( resolve, reject ) => {
+
+			loader.load( url, resolve, undefined, reject );
+
+		} );
+
+	}
+
+	preload() {
+
+		this._initDecoder();
+
+		return this;
+
+	}
+
+	_initDecoder() {
+
+		if ( this.decoderPending ) return this.decoderPending;
+
+		const useJS = typeof WebAssembly !== 'object' || this.decoderConfig.type === 'js';
+		const librariesPending = [];
+
+		if ( useJS ) {
+
+			librariesPending.push( this._loadLibrary( 'draco_decoder.js', 'text' ) );
+
+		} else {
+
+			librariesPending.push( this._loadLibrary( 'draco_wasm_wrapper.js', 'text' ) );
+			librariesPending.push( this._loadLibrary( 'draco_decoder.wasm', 'arraybuffer' ) );
+
+		}
+
+		this.decoderPending = Promise.all( librariesPending )
+			.then( ( libraries ) => {
+
+				const jsContent = libraries[ 0 ];
+
+				if ( ! useJS ) {
+
+					this.decoderConfig.wasmBinary = libraries[ 1 ];
+
+				}
+
+				const fn = DRACOWorker.toString();
+
+				const body = [
+					'/* draco decoder */',
+					jsContent,
+					'',
+					'/* worker */',
+					fn.substring( fn.indexOf( '{' ) + 1, fn.lastIndexOf( '}' ) )
+				].join( '\n' );
+
+				this.workerSourceURL = URL.createObjectURL( new Blob( [ body ] ) );
+
+			} );
+
+		return this.decoderPending;
+
+	}
+
+	_getWorker( taskID, taskCost ) {
+
+		return this._initDecoder().then( () => {
+
+			if ( this.workerPool.length < this.workerLimit ) {
+
+				const worker = new Worker( this.workerSourceURL );
+
+				worker._callbacks = {};
+				worker._taskCosts = {};
+				worker._taskLoad = 0;
+
+				worker.postMessage( { type: 'init', decoderConfig: this.decoderConfig } );
+
+				worker.onmessage = function ( e ) {
+
+					const message = e.data;
+
+					switch ( message.type ) {
+
+						case 'decode':
+							worker._callbacks[ message.id ].resolve( message );
+							break;
+
+						case 'error':
+							worker._callbacks[ message.id ].reject( message );
+							break;
+
+						default:
+							console.error( 'THREE.DRACOLoader: Unexpected message, "' + message.type + '"' );
+
+					}
+
+				};
+
+				this.workerPool.push( worker );
+
+			} else {
+
+				this.workerPool.sort( function ( a, b ) {
+
+					return a._taskLoad > b._taskLoad ? - 1 : 1;
+
+				} );
+
+			}
+
+			const worker = this.workerPool[ this.workerPool.length - 1 ];
+			worker._taskCosts[ taskID ] = taskCost;
+			worker._taskLoad += taskCost;
+			return worker;
+
+		} );
+
+	}
+
+	_releaseTask( worker, taskID ) {
+
+		worker._taskLoad -= worker._taskCosts[ taskID ];
+		delete worker._callbacks[ taskID ];
+		delete worker._taskCosts[ taskID ];
+
+	}
+
+	debug() {
+
+		console.log( 'Task load: ', this.workerPool.map( ( worker ) => worker._taskLoad ) );
+
+	}
+
+	dispose() {
+
+		for ( let i = 0; i < this.workerPool.length; ++ i ) {
+
+			this.workerPool[ i ].terminate();
+
+		}
+
+		this.workerPool.length = 0;
+
+		if ( this.workerSourceURL !== '' ) {
+
+			URL.revokeObjectURL( this.workerSourceURL );
+
+		}
+
+		return this;
+
+	}
+
+}
+
+/* WEB WORKER */
+
+function DRACOWorker() {
+
+	let decoderConfig;
+	let decoderPending;
+
+	onmessage = function ( e ) {
+
+		const message = e.data;
+
+		switch ( message.type ) {
+
+			case 'init':
+				decoderConfig = message.decoderConfig;
+				decoderPending = new Promise( function ( resolve/*, reject*/ ) {
+
+					decoderConfig.onModuleLoaded = function ( draco ) {
+
+						// Module is Promise-like. Wrap before resolving to avoid loop.
+						resolve( { draco: draco } );
+
+					};
+
+					DracoDecoderModule( decoderConfig ); // eslint-disable-line no-undef
+
+				} );
+				break;
+
+			case 'decode':
+				const buffer = message.buffer;
+				const taskConfig = message.taskConfig;
+				decoderPending.then( ( module ) => {
+
+					const draco = module.draco;
+					const decoder = new draco.Decoder();
+
+					try {
+
+						const geometry = decodeGeometry( draco, decoder, new Int8Array( buffer ), taskConfig );
+
+						const buffers = geometry.attributes.map( ( attr ) => attr.array.buffer );
+
+						if ( geometry.index ) buffers.push( geometry.index.array.buffer );
+
+						self.postMessage( { type: 'decode', id: message.id, geometry }, buffers );
+
+					} catch ( error ) {
+
+						console.error( error );
+
+						self.postMessage( { type: 'error', id: message.id, error: error.message } );
+
+					} finally {
+
+						draco.destroy( decoder );
+
+					}
+
+				} );
+				break;
+
+		}
+
+	};
+
+	function decodeGeometry( draco, decoder, array, taskConfig ) {
+
+		const attributeIDs = taskConfig.attributeIDs;
+		const attributeTypes = taskConfig.attributeTypes;
+
+		let dracoGeometry;
+		let decodingStatus;
+
+		const geometryType = decoder.GetEncodedGeometryType( array );
+
+		if ( geometryType === draco.TRIANGULAR_MESH ) {
+
+			dracoGeometry = new draco.Mesh();
+			decodingStatus = decoder.DecodeArrayToMesh( array, array.byteLength, dracoGeometry );
+
+		} else if ( geometryType === draco.POINT_CLOUD ) {
+
+			dracoGeometry = new draco.PointCloud();
+			decodingStatus = decoder.DecodeArrayToPointCloud( array, array.byteLength, dracoGeometry );
+
+		} else {
+
+			throw new Error( 'THREE.DRACOLoader: Unexpected geometry type.' );
+
+		}
+
+		if ( ! decodingStatus.ok() || dracoGeometry.ptr === 0 ) {
+
+			throw new Error( 'THREE.DRACOLoader: Decoding failed: ' + decodingStatus.error_msg() );
+
+		}
+
+		const geometry = { index: null, attributes: [] };
+
+		// Gather all vertex attributes.
+		for ( const attributeName in attributeIDs ) {
+
+			const attributeType = self[ attributeTypes[ attributeName ] ];
+
+			let attribute;
+			let attributeID;
+
+			// A Draco file may be created with default vertex attributes, whose attribute IDs
+			// are mapped 1:1 from their semantic name (POSITION, NORMAL, ...). Alternatively,
+			// a Draco file may contain a custom set of attributes, identified by known unique
+			// IDs. glTF files always do the latter, and `.drc` files typically do the former.
+			if ( taskConfig.useUniqueIDs ) {
+
+				attributeID = attributeIDs[ attributeName ];
+				attribute = decoder.GetAttributeByUniqueId( dracoGeometry, attributeID );
+
+			} else {
+
+				attributeID = decoder.GetAttributeId( dracoGeometry, draco[ attributeIDs[ attributeName ] ] );
+
+				if ( attributeID === - 1 ) continue;
+
+				attribute = decoder.GetAttribute( dracoGeometry, attributeID );
+
+			}
+
+			const attributeResult = decodeAttribute( draco, decoder, dracoGeometry, attributeName, attributeType, attribute );
+
+			if ( attributeName === 'color' ) {
+
+				attributeResult.vertexColorSpace = taskConfig.vertexColorSpace;
+
+			}
+
+			geometry.attributes.push( attributeResult );
+
+		}
+
+		// Add index.
+		if ( geometryType === draco.TRIANGULAR_MESH ) {
+
+			geometry.index = decodeIndex( draco, decoder, dracoGeometry );
+
+		}
+
+		draco.destroy( dracoGeometry );
+
+		return geometry;
+
+	}
+
+	function decodeIndex( draco, decoder, dracoGeometry ) {
+
+		const numFaces = dracoGeometry.num_faces();
+		const numIndices = numFaces * 3;
+		const byteLength = numIndices * 4;
+
+		const ptr = draco._malloc( byteLength );
+		decoder.GetTrianglesUInt32Array( dracoGeometry, byteLength, ptr );
+		const index = new Uint32Array( draco.HEAPF32.buffer, ptr, numIndices ).slice();
+		draco._free( ptr );
+
+		return { array: index, itemSize: 1 };
+
+	}
+
+	function decodeAttribute( draco, decoder, dracoGeometry, attributeName, TypedArray, attribute ) {
+
+		const count = dracoGeometry.num_points();
+		const itemSize = attribute.num_components();
+		const dracoDataType = getDracoDataType( draco, TypedArray );
+
+		// Reference: https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#data-alignment
+		const srcByteStride = itemSize * TypedArray.BYTES_PER_ELEMENT;
+		const dstByteStride = Math.ceil( srcByteStride / 4 ) * 4;
+
+		const dstStride = dstByteStride / TypedArray.BYTES_PER_ELEMENT
+
+		const srcByteLength = count * srcByteStride;
+		const dstByteLength = count * dstByteStride;
+
+		const ptr = draco._malloc( srcByteLength );
+		decoder.GetAttributeDataArrayForAllPoints( dracoGeometry, attribute, dracoDataType, srcByteLength, ptr );
+
+		const srcArray = new TypedArray( draco.HEAPF32.buffer, ptr, srcByteLength / TypedArray.BYTES_PER_ELEMENT );
+		let dstArray;
+
+		if ( srcByteStride === dstByteStride ) {
+
+			// THREE.BufferAttribute
+
+			dstArray = srcArray.slice();
+
+		} else {
+
+			// THREE.InterleavedBufferAttribute
+
+			dstArray = new TypedArray( dstByteLength / TypedArray.BYTES_PER_ELEMENT );
+
+			let dstOffset = 0
+
+			for ( let i = 0, il = srcArray.length; i < il; i++ ) {
+
+				for ( let j = 0; j < itemSize; j++ ) {
+
+					dstArray[ dstOffset + j ] = srcArray[ i * itemSize + j ]
+
+				}
+
+				dstOffset += dstStride;
+
+			}
+
+		}
+
+		draco._free( ptr );
+
+		return {
+			name: attributeName,
+			count: count,
+			itemSize: itemSize,
+			array: dstArray,
+			stride: dstStride
+		};
+
+	}
+
+	function getDracoDataType( draco, TypedArray ) {
+
+		switch ( TypedArray ) {
+
+			case Float32Array: return draco.DT_FLOAT32;
+			case Int8Array: return draco.DT_INT8;
+			case Int16Array: return draco.DT_INT16;
+			case Int32Array: return draco.DT_INT32;
+			case Uint8Array: return draco.DT_UINT8;
+			case Uint16Array: return draco.DT_UINT16;
+			case Uint32Array: return draco.DT_UINT32;
+
+		}
+
+	}
+
+}
+
+export { DRACOLoader };

demo/draco/draco_wasm_wrapper.js

@@ -0,0 +1,104 @@
+var $jscomp=$jscomp||{};$jscomp.scope={};$jscomp.arrayIteratorImpl=function(f){var m=0;return function(){return m<f.length?{done:!1,value:f[m++]}:{done:!0}}};$jscomp.arrayIterator=function(f){return{next:$jscomp.arrayIteratorImpl(f)}};$jscomp.makeIterator=function(f){var m="undefined"!=typeof Symbol&&Symbol.iterator&&f[Symbol.iterator];return m?m.call(f):$jscomp.arrayIterator(f)};
+$jscomp.getGlobal=function(f){return"undefined"!=typeof window&&window===f?f:"undefined"!=typeof global&&null!=global?global:f};$jscomp.global=$jscomp.getGlobal(this);$jscomp.ASSUME_ES5=!1;$jscomp.ASSUME_NO_NATIVE_MAP=!1;$jscomp.ASSUME_NO_NATIVE_SET=!1;$jscomp.SIMPLE_FROUND_POLYFILL=!1;$jscomp.defineProperty=$jscomp.ASSUME_ES5||"function"==typeof Object.defineProperties?Object.defineProperty:function(f,m,v){f!=Array.prototype&&f!=Object.prototype&&(f[m]=v.value)};
+$jscomp.polyfill=function(f,m,v,t){if(m){v=$jscomp.global;f=f.split(".");for(t=0;t<f.length-1;t++){var h=f[t];h in v||(v[h]={});v=v[h]}f=f[f.length-1];t=v[f];m=m(t);m!=t&&null!=m&&$jscomp.defineProperty(v,f,{configurable:!0,writable:!0,value:m})}};$jscomp.FORCE_POLYFILL_PROMISE=!1;
+$jscomp.polyfill("Promise",function(f){function m(){this.batch_=null}function v(e){return e instanceof h?e:new h(function(l,f){l(e)})}if(f&&!$jscomp.FORCE_POLYFILL_PROMISE)return f;m.prototype.asyncExecute=function(e){if(null==this.batch_){this.batch_=[];var l=this;this.asyncExecuteFunction(function(){l.executeBatch_()})}this.batch_.push(e)};var t=$jscomp.global.setTimeout;m.prototype.asyncExecuteFunction=function(e){t(e,0)};m.prototype.executeBatch_=function(){for(;this.batch_&&this.batch_.length;){var e=
+this.batch_;this.batch_=[];for(var l=0;l<e.length;++l){var f=e[l];e[l]=null;try{f()}catch(z){this.asyncThrow_(z)}}}this.batch_=null};m.prototype.asyncThrow_=function(e){this.asyncExecuteFunction(function(){throw e;})};var h=function(e){this.state_=0;this.result_=void 0;this.onSettledCallbacks_=[];var l=this.createResolveAndReject_();try{e(l.resolve,l.reject)}catch(S){l.reject(S)}};h.prototype.createResolveAndReject_=function(){function e(e){return function(h){f||(f=!0,e.call(l,h))}}var l=this,f=!1;
+return{resolve:e(this.resolveTo_),reject:e(this.reject_)}};h.prototype.resolveTo_=function(e){if(e===this)this.reject_(new TypeError("A Promise cannot resolve to itself"));else if(e instanceof h)this.settleSameAsPromise_(e);else{a:switch(typeof e){case "object":var l=null!=e;break a;case "function":l=!0;break a;default:l=!1}l?this.resolveToNonPromiseObj_(e):this.fulfill_(e)}};h.prototype.resolveToNonPromiseObj_=function(e){var l=void 0;try{l=e.then}catch(S){this.reject_(S);return}"function"==typeof l?
+this.settleSameAsThenable_(l,e):this.fulfill_(e)};h.prototype.reject_=function(e){this.settle_(2,e)};h.prototype.fulfill_=function(e){this.settle_(1,e)};h.prototype.settle_=function(e,l){if(0!=this.state_)throw Error("Cannot settle("+e+", "+l+"): Promise already settled in state"+this.state_);this.state_=e;this.result_=l;this.executeOnSettledCallbacks_()};h.prototype.executeOnSettledCallbacks_=function(){if(null!=this.onSettledCallbacks_){for(var e=0;e<this.onSettledCallbacks_.length;++e)X.asyncExecute(this.onSettledCallbacks_[e]);
+this.onSettledCallbacks_=null}};var X=new m;h.prototype.settleSameAsPromise_=function(e){var l=this.createResolveAndReject_();e.callWhenSettled_(l.resolve,l.reject)};h.prototype.settleSameAsThenable_=function(e,l){var f=this.createResolveAndReject_();try{e.call(l,f.resolve,f.reject)}catch(z){f.reject(z)}};h.prototype.then=function(e,f){function l(e,f){return"function"==typeof e?function(f){try{m(e(f))}catch(p){v(p)}}:f}var m,v,t=new h(function(e,f){m=e;v=f});this.callWhenSettled_(l(e,m),l(f,v));return t};
+h.prototype.catch=function(e){return this.then(void 0,e)};h.prototype.callWhenSettled_=function(e,f){function l(){switch(h.state_){case 1:e(h.result_);break;case 2:f(h.result_);break;default:throw Error("Unexpected state: "+h.state_);}}var h=this;null==this.onSettledCallbacks_?X.asyncExecute(l):this.onSettledCallbacks_.push(l)};h.resolve=v;h.reject=function(e){return new h(function(f,h){h(e)})};h.race=function(e){return new h(function(f,h){for(var l=$jscomp.makeIterator(e),m=l.next();!m.done;m=l.next())v(m.value).callWhenSettled_(f,
+h)})};h.all=function(e){var f=$jscomp.makeIterator(e),m=f.next();return m.done?v([]):new h(function(e,h){function l(f){return function(h){t[f]=h;z--;0==z&&e(t)}}var t=[],z=0;do t.push(void 0),z++,v(m.value).callWhenSettled_(l(t.length-1),h),m=f.next();while(!m.done)})};return h},"es6","es3");
+var DracoDecoderModule=function(){var f="undefined"!==typeof document&&document.currentScript?document.currentScript.src:void 0;"undefined"!==typeof __filename&&(f=f||__filename);return function(m){function v(k){return a.locateFile?a.locateFile(k,M):M+k}function t(a,c){a||z("Assertion failed: "+c)}function h(a,c,b){var d=c+b;for(b=c;a[b]&&!(b>=d);)++b;if(16<b-c&&a.subarray&&xa)return xa.decode(a.subarray(c,b));for(d="";c<b;){var k=a[c++];if(k&128){var e=a[c++]&63;if(192==(k&224))d+=String.fromCharCode((k&
+31)<<6|e);else{var f=a[c++]&63;k=224==(k&240)?(k&15)<<12|e<<6|f:(k&7)<<18|e<<12|f<<6|a[c++]&63;65536>k?d+=String.fromCharCode(k):(k-=65536,d+=String.fromCharCode(55296|k>>10,56320|k&1023))}}else d+=String.fromCharCode(k)}return d}function X(a,c){return a?h(ca,a,c):""}function e(a,c){0<a%c&&(a+=c-a%c);return a}function l(k){ka=k;a.HEAP8=T=new Int8Array(k);a.HEAP16=new Int16Array(k);a.HEAP32=P=new Int32Array(k);a.HEAPU8=ca=new Uint8Array(k);a.HEAPU16=new Uint16Array(k);a.HEAPU32=new Uint32Array(k);
+a.HEAPF32=new Float32Array(k);a.HEAPF64=new Float64Array(k)}function S(k){for(;0<k.length;){var c=k.shift();if("function"==typeof c)c();else{var b=c.func;"number"===typeof b?void 0===c.arg?a.dynCall_v(b):a.dynCall_vi(b,c.arg):b(void 0===c.arg?null:c.arg)}}}function z(k){if(a.onAbort)a.onAbort(k);k+="";ya(k);Y(k);za=!0;throw new WebAssembly.RuntimeError("abort("+k+"). Build with -s ASSERTIONS=1 for more info.");}function va(a){return String.prototype.startsWith?a.startsWith("data:application/octet-stream;base64,"):
+0===a.indexOf("data:application/octet-stream;base64,")}function wa(){try{if(da)return new Uint8Array(da);if(la)return la(U);throw"both async and sync fetching of the wasm failed";}catch(k){z(k)}}function Ma(){return da||!ea&&!Z||"function"!==typeof fetch?new Promise(function(a,c){a(wa())}):fetch(U,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+U+"'";return a.arrayBuffer()}).catch(function(){return wa()})}function ba(){if(!ba.strings){var a={USER:"web_user",
+LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:("object"===typeof navigator&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8",_:na},c;for(c in Aa)a[c]=Aa[c];var b=[];for(c in a)b.push(c+"="+a[c]);ba.strings=b}return ba.strings}function ma(k){function c(){if(!fa&&(fa=!0,!za)){Ba=!0;S(Ca);S(Da);if(a.onRuntimeInitialized)a.onRuntimeInitialized();if(a.postRun)for("function"==typeof a.postRun&&(a.postRun=[a.postRun]);a.postRun.length;)Ea.unshift(a.postRun.shift());
+S(Ea)}}if(!(0<aa)){if(a.preRun)for("function"==typeof a.preRun&&(a.preRun=[a.preRun]);a.preRun.length;)Fa.unshift(a.preRun.shift());S(Fa);0<aa||(a.setStatus?(a.setStatus("Running..."),setTimeout(function(){setTimeout(function(){a.setStatus("")},1);c()},1)):c())}}function p(){}function u(a){return(a||p).__cache__}function N(a,c){var b=u(c),d=b[a];if(d)return d;d=Object.create((c||p).prototype);d.ptr=a;return b[a]=d}function V(a){if("string"===typeof a){for(var c=0,b=0;b<a.length;++b){var d=a.charCodeAt(b);
+55296<=d&&57343>=d&&(d=65536+((d&1023)<<10)|a.charCodeAt(++b)&1023);127>=d?++c:c=2047>=d?c+2:65535>=d?c+3:c+4}c=Array(c+1);b=0;d=c.length;if(0<d){d=b+d-1;for(var k=0;k<a.length;++k){var e=a.charCodeAt(k);if(55296<=e&&57343>=e){var f=a.charCodeAt(++k);e=65536+((e&1023)<<10)|f&1023}if(127>=e){if(b>=d)break;c[b++]=e}else{if(2047>=e){if(b+1>=d)break;c[b++]=192|e>>6}else{if(65535>=e){if(b+2>=d)break;c[b++]=224|e>>12}else{if(b+3>=d)break;c[b++]=240|e>>18;c[b++]=128|e>>12&63}c[b++]=128|e>>6&63}c[b++]=128|
+e&63}}c[b]=0}a=n.alloc(c,T);n.copy(c,T,a)}return a}function x(){throw"cannot construct a Status, no constructor in IDL";}function A(){this.ptr=Oa();u(A)[this.ptr]=this}function B(){this.ptr=Pa();u(B)[this.ptr]=this}function C(){this.ptr=Qa();u(C)[this.ptr]=this}function D(){this.ptr=Ra();u(D)[this.ptr]=this}function E(){this.ptr=Sa();u(E)[this.ptr]=this}function q(){this.ptr=Ta();u(q)[this.ptr]=this}function J(){this.ptr=Ua();u(J)[this.ptr]=this}function w(){this.ptr=Va();u(w)[this.ptr]=this}function F(){this.ptr=
+Wa();u(F)[this.ptr]=this}function r(){this.ptr=Xa();u(r)[this.ptr]=this}function G(){this.ptr=Ya();u(G)[this.ptr]=this}function H(){this.ptr=Za();u(H)[this.ptr]=this}function O(){this.ptr=$a();u(O)[this.ptr]=this}function K(){this.ptr=ab();u(K)[this.ptr]=this}function g(){this.ptr=bb();u(g)[this.ptr]=this}function y(){this.ptr=cb();u(y)[this.ptr]=this}function Q(){throw"cannot construct a VoidPtr, no constructor in IDL";}function I(){this.ptr=db();u(I)[this.ptr]=this}function L(){this.ptr=eb();u(L)[this.ptr]=
+this}m=m||{};var a="undefined"!==typeof m?m:{},Ga=!1,Ha=!1;a.onRuntimeInitialized=function(){Ga=!0;if(Ha&&"function"===typeof a.onModuleLoaded)a.onModuleLoaded(a)};a.onModuleParsed=function(){Ha=!0;if(Ga&&"function"===typeof a.onModuleLoaded)a.onModuleLoaded(a)};a.isVersionSupported=function(a){if("string"!==typeof a)return!1;a=a.split(".");return 2>a.length||3<a.length?!1:1==a[0]&&0<=a[1]&&3>=a[1]?!0:0!=a[0]||10<a[1]?!1:!0};var ha={},W;for(W in a)a.hasOwnProperty(W)&&(ha[W]=a[W]);var na="./this.program",
+ea=!1,Z=!1,oa=!1,fb=!1,Ia=!1;ea="object"===typeof window;Z="function"===typeof importScripts;oa=(fb="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node)&&!ea&&!Z;Ia=!ea&&!oa&&!Z;var M="",pa,qa;if(oa){M=__dirname+"/";var ra=function(a,c){pa||(pa=require("fs"));qa||(qa=require("path"));a=qa.normalize(a);return pa.readFileSync(a,c?null:"utf8")};var la=function(a){a=ra(a,!0);a.buffer||(a=new Uint8Array(a));t(a.buffer);return a};1<process.argv.length&&
+(na=process.argv[1].replace(/\\/g,"/"));process.argv.slice(2);process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",z);a.inspect=function(){return"[Emscripten Module object]"}}else if(Ia)"undefined"!=typeof read&&(ra=function(a){return read(a)}),la=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");t("object"===typeof a);return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,
+console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(ea||Z)Z?M=self.location.href:document.currentScript&&(M=document.currentScript.src),f&&(M=f),M=0!==M.indexOf("blob:")?M.substr(0,M.lastIndexOf("/")+1):"",ra=function(a){var c=new XMLHttpRequest;c.open("GET",a,!1);c.send(null);return c.responseText},Z&&(la=function(a){var c=new XMLHttpRequest;c.open("GET",a,!1);c.responseType="arraybuffer";c.send(null);return new Uint8Array(c.response)});var ya=a.print||console.log.bind(console),
+Y=a.printErr||console.warn.bind(console);for(W in ha)ha.hasOwnProperty(W)&&(a[W]=ha[W]);ha=null;a.thisProgram&&(na=a.thisProgram);var da;a.wasmBinary&&(da=a.wasmBinary);"object"!==typeof WebAssembly&&Y("no native wasm support detected");var ia,gb=new WebAssembly.Table({initial:381,maximum:381,element:"anyfunc"}),za=!1,xa="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;"undefined"!==typeof TextDecoder&&new TextDecoder("utf-16le");var T,ca,P,Ja=a.TOTAL_MEMORY||16777216;if(ia=a.wasmMemory?
+a.wasmMemory:new WebAssembly.Memory({initial:Ja/65536}))var ka=ia.buffer;Ja=ka.byteLength;l(ka);P[4604]=5261456;var Fa=[],Ca=[],Da=[],Ea=[],Ba=!1,aa=0,sa=null,ja=null;a.preloadedImages={};a.preloadedAudios={};var U="draco_decoder.wasm";va(U)||(U=v(U));Ca.push({func:function(){hb()}});var Aa={},R={buffers:[null,[],[]],printChar:function(a,c){var b=R.buffers[a];0===c||10===c?((1===a?ya:Y)(h(b,0)),b.length=0):b.push(c)},varargs:0,get:function(a){R.varargs+=4;return P[R.varargs-4>>2]},getStr:function(){return X(R.get())},
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+function b(a){return Ma().then(function(a){return WebAssembly.instantiate(a,d)}).then(a,function(a){Y("failed to asynchronously prepare wasm: "+a);z(a)})}var d={env:Ka,wasi_unstable:Ka};aa++;a.monitorRunDependencies&&a.monitorRunDependencies(aa);if(a.instantiateWasm)try{return a.instantiateWasm(d,e)}catch(Na){return Y("Module.instantiateWasm callback failed with error: "+Na),!1}(function(){if(da||"function"!==typeof WebAssembly.instantiateStreaming||va(U)||"function"!==typeof fetch)return b(c);fetch(U,
+{credentials:"same-origin"}).then(function(a){return WebAssembly.instantiateStreaming(a,d).then(c,function(a){Y("wasm streaming compile failed: "+a);Y("falling back to ArrayBuffer instantiation");b(c)})})})();return{}}();a.asm=La;var hb=a.___wasm_call_ctors=function(){return a.asm.__wasm_call_ctors.apply(null,arguments)},jb=a._emscripten_bind_Status_code_0=function(){return a.asm.emscripten_bind_Status_code_0.apply(null,arguments)},kb=a._emscripten_bind_Status_ok_0=function(){return a.asm.emscripten_bind_Status_ok_0.apply(null,
+arguments)},lb=a._emscripten_bind_Status_error_msg_0=function(){return a.asm.emscripten_bind_Status_error_msg_0.apply(null,arguments)},mb=a._emscripten_bind_Status___destroy___0=function(){return a.asm.emscripten_bind_Status___destroy___0.apply(null,arguments)},Oa=a._emscripten_bind_DracoUInt16Array_DracoUInt16Array_0=function(){return a.asm.emscripten_bind_DracoUInt16Array_DracoUInt16Array_0.apply(null,arguments)},nb=a._emscripten_bind_DracoUInt16Array_GetValue_1=function(){return a.asm.emscripten_bind_DracoUInt16Array_GetValue_1.apply(null,
+arguments)},ob=a._emscripten_bind_DracoUInt16Array_size_0=function(){return a.asm.emscripten_bind_DracoUInt16Array_size_0.apply(null,arguments)},pb=a._emscripten_bind_DracoUInt16Array___destroy___0=function(){return a.asm.emscripten_bind_DracoUInt16Array___destroy___0.apply(null,arguments)},Pa=a._emscripten_bind_PointCloud_PointCloud_0=function(){return a.asm.emscripten_bind_PointCloud_PointCloud_0.apply(null,arguments)},qb=a._emscripten_bind_PointCloud_num_attributes_0=function(){return a.asm.emscripten_bind_PointCloud_num_attributes_0.apply(null,
+arguments)},rb=a._emscripten_bind_PointCloud_num_points_0=function(){return a.asm.emscripten_bind_PointCloud_num_points_0.apply(null,arguments)},sb=a._emscripten_bind_PointCloud___destroy___0=function(){return a.asm.emscripten_bind_PointCloud___destroy___0.apply(null,arguments)},Qa=a._emscripten_bind_DracoUInt8Array_DracoUInt8Array_0=function(){return a.asm.emscripten_bind_DracoUInt8Array_DracoUInt8Array_0.apply(null,arguments)},tb=a._emscripten_bind_DracoUInt8Array_GetValue_1=function(){return a.asm.emscripten_bind_DracoUInt8Array_GetValue_1.apply(null,
+arguments)},ub=a._emscripten_bind_DracoUInt8Array_size_0=function(){return a.asm.emscripten_bind_DracoUInt8Array_size_0.apply(null,arguments)},vb=a._emscripten_bind_DracoUInt8Array___destroy___0=function(){return a.asm.emscripten_bind_DracoUInt8Array___destroy___0.apply(null,arguments)},Ra=a._emscripten_bind_DracoUInt32Array_DracoUInt32Array_0=function(){return a.asm.emscripten_bind_DracoUInt32Array_DracoUInt32Array_0.apply(null,arguments)},wb=a._emscripten_bind_DracoUInt32Array_GetValue_1=function(){return a.asm.emscripten_bind_DracoUInt32Array_GetValue_1.apply(null,
+arguments)},xb=a._emscripten_bind_DracoUInt32Array_size_0=function(){return a.asm.emscripten_bind_DracoUInt32Array_size_0.apply(null,arguments)},yb=a._emscripten_bind_DracoUInt32Array___destroy___0=function(){return a.asm.emscripten_bind_DracoUInt32Array___destroy___0.apply(null,arguments)},Sa=a._emscripten_bind_AttributeOctahedronTransform_AttributeOctahedronTransform_0=function(){return a.asm.emscripten_bind_AttributeOctahedronTransform_AttributeOctahedronTransform_0.apply(null,arguments)},zb=a._emscripten_bind_AttributeOctahedronTransform_InitFromAttribute_1=
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+function(){return a.asm.emscripten_bind_PointAttribute_PointAttribute_0.apply(null,arguments)},Cb=a._emscripten_bind_PointAttribute_size_0=function(){return a.asm.emscripten_bind_PointAttribute_size_0.apply(null,arguments)},Db=a._emscripten_bind_PointAttribute_GetAttributeTransformData_0=function(){return a.asm.emscripten_bind_PointAttribute_GetAttributeTransformData_0.apply(null,arguments)},Eb=a._emscripten_bind_PointAttribute_attribute_type_0=function(){return a.asm.emscripten_bind_PointAttribute_attribute_type_0.apply(null,
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+q.prototype.num_components=function(){return Gb(this.ptr)};q.prototype.normalized=q.prototype.normalized=function(){return!!Hb(this.ptr)};q.prototype.byte_stride=q.prototype.byte_stride=function(){return Ib(this.ptr)};q.prototype.byte_offset=q.prototype.byte_offset=function(){return Jb(this.ptr)};q.prototype.unique_id=q.prototype.unique_id=function(){return Kb(this.ptr)};q.prototype.__destroy__=q.prototype.__destroy__=function(){Lb(this.ptr)};J.prototype=Object.create(p.prototype);J.prototype.constructor=
+J;J.prototype.__class__=J;J.__cache__={};a.AttributeTransformData=J;J.prototype.transform_type=J.prototype.transform_type=function(){return Mb(this.ptr)};J.prototype.__destroy__=J.prototype.__destroy__=function(){Nb(this.ptr)};w.prototype=Object.create(p.prototype);w.prototype.constructor=w;w.prototype.__class__=w;w.__cache__={};a.AttributeQuantizationTransform=w;w.prototype.InitFromAttribute=w.prototype.InitFromAttribute=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return!!Ob(c,a)};
+w.prototype.quantization_bits=w.prototype.quantization_bits=function(){return Pb(this.ptr)};w.prototype.min_value=w.prototype.min_value=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return Qb(c,a)};w.prototype.range=w.prototype.range=function(){return Rb(this.ptr)};w.prototype.__destroy__=w.prototype.__destroy__=function(){Sb(this.ptr)};F.prototype=Object.create(p.prototype);F.prototype.constructor=F;F.prototype.__class__=F;F.__cache__={};a.DracoInt8Array=F;F.prototype.GetValue=F.prototype.GetValue=
+function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return Tb(c,a)};F.prototype.size=F.prototype.size=function(){return Ub(this.ptr)};F.prototype.__destroy__=F.prototype.__destroy__=function(){Vb(this.ptr)};r.prototype=Object.create(p.prototype);r.prototype.constructor=r;r.prototype.__class__=r;r.__cache__={};a.MetadataQuerier=r;r.prototype.HasEntry=r.prototype.HasEntry=function(a,b){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);return!!Wb(c,
+a,b)};r.prototype.GetIntEntry=r.prototype.GetIntEntry=function(a,b){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);return Xb(c,a,b)};r.prototype.GetIntEntryArray=r.prototype.GetIntEntryArray=function(a,b,d){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);d&&"object"===typeof d&&(d=d.ptr);Yb(c,a,b,d)};r.prototype.GetDoubleEntry=r.prototype.GetDoubleEntry=function(a,b){var c=this.ptr;n.prepare();a&&"object"===
+typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);return Zb(c,a,b)};r.prototype.GetStringEntry=r.prototype.GetStringEntry=function(a,b){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);return X($b(c,a,b))};r.prototype.NumEntries=r.prototype.NumEntries=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return ac(c,a)};r.prototype.GetEntryName=r.prototype.GetEntryName=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===
+typeof b&&(b=b.ptr);return X(bc(c,a,b))};r.prototype.__destroy__=r.prototype.__destroy__=function(){cc(this.ptr)};G.prototype=Object.create(p.prototype);G.prototype.constructor=G;G.prototype.__class__=G;G.__cache__={};a.DracoInt16Array=G;G.prototype.GetValue=G.prototype.GetValue=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return dc(c,a)};G.prototype.size=G.prototype.size=function(){return ec(this.ptr)};G.prototype.__destroy__=G.prototype.__destroy__=function(){fc(this.ptr)};H.prototype=
+Object.create(p.prototype);H.prototype.constructor=H;H.prototype.__class__=H;H.__cache__={};a.DracoFloat32Array=H;H.prototype.GetValue=H.prototype.GetValue=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return gc(c,a)};H.prototype.size=H.prototype.size=function(){return hc(this.ptr)};H.prototype.__destroy__=H.prototype.__destroy__=function(){ic(this.ptr)};O.prototype=Object.create(p.prototype);O.prototype.constructor=O;O.prototype.__class__=O;O.__cache__={};a.GeometryAttribute=O;O.prototype.__destroy__=
+O.prototype.__destroy__=function(){jc(this.ptr)};K.prototype=Object.create(p.prototype);K.prototype.constructor=K;K.prototype.__class__=K;K.__cache__={};a.DecoderBuffer=K;K.prototype.Init=K.prototype.Init=function(a,b){var c=this.ptr;n.prepare();if("object"==typeof a&&"object"===typeof a){var e=n.alloc(a,T);n.copy(a,T,e);a=e}b&&"object"===typeof b&&(b=b.ptr);kc(c,a,b)};K.prototype.__destroy__=K.prototype.__destroy__=function(){lc(this.ptr)};g.prototype=Object.create(p.prototype);g.prototype.constructor=
+g;g.prototype.__class__=g;g.__cache__={};a.Decoder=g;g.prototype.GetEncodedGeometryType=g.prototype.GetEncodedGeometryType=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return mc(c,a)};g.prototype.DecodeBufferToPointCloud=g.prototype.DecodeBufferToPointCloud=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return N(nc(c,a,b),x)};g.prototype.DecodeBufferToMesh=g.prototype.DecodeBufferToMesh=function(a,b){var c=this.ptr;a&&"object"===typeof a&&
+(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return N(oc(c,a,b),x)};g.prototype.GetAttributeId=g.prototype.GetAttributeId=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return pc(c,a,b)};g.prototype.GetAttributeIdByName=g.prototype.GetAttributeIdByName=function(a,b){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);return qc(c,a,b)};g.prototype.GetAttributeIdByMetadataEntry=g.prototype.GetAttributeIdByMetadataEntry=
+function(a,b,d){var c=this.ptr;n.prepare();a&&"object"===typeof a&&(a=a.ptr);b=b&&"object"===typeof b?b.ptr:V(b);d=d&&"object"===typeof d?d.ptr:V(d);return rc(c,a,b,d)};g.prototype.GetAttribute=g.prototype.GetAttribute=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return N(sc(c,a,b),q)};g.prototype.GetAttributeByUniqueId=g.prototype.GetAttributeByUniqueId=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);
+return N(tc(c,a,b),q)};g.prototype.GetMetadata=g.prototype.GetMetadata=function(a){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return N(uc(c,a),L)};g.prototype.GetAttributeMetadata=g.prototype.GetAttributeMetadata=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return N(vc(c,a,b),L)};g.prototype.GetFaceFromMesh=g.prototype.GetFaceFromMesh=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===
+typeof d&&(d=d.ptr);return!!wc(c,a,b,d)};g.prototype.GetTriangleStripsFromMesh=g.prototype.GetTriangleStripsFromMesh=function(a,b){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);return xc(c,a,b)};g.prototype.GetTrianglesUInt16Array=g.prototype.GetTrianglesUInt16Array=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!yc(c,a,b,d)};g.prototype.GetTrianglesUInt32Array=g.prototype.GetTrianglesUInt32Array=
+function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!zc(c,a,b,d)};g.prototype.GetAttributeFloat=g.prototype.GetAttributeFloat=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Ac(c,a,b,d)};g.prototype.GetAttributeFloatForAllPoints=g.prototype.GetAttributeFloatForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&
+(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Bc(c,a,b,d)};g.prototype.GetAttributeIntForAllPoints=g.prototype.GetAttributeIntForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Cc(c,a,b,d)};g.prototype.GetAttributeInt8ForAllPoints=g.prototype.GetAttributeInt8ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&
+(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Dc(c,a,b,d)};g.prototype.GetAttributeUInt8ForAllPoints=g.prototype.GetAttributeUInt8ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Ec(c,a,b,d)};g.prototype.GetAttributeInt16ForAllPoints=g.prototype.GetAttributeInt16ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&
+(d=d.ptr);return!!Fc(c,a,b,d)};g.prototype.GetAttributeUInt16ForAllPoints=g.prototype.GetAttributeUInt16ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Gc(c,a,b,d)};g.prototype.GetAttributeInt32ForAllPoints=g.prototype.GetAttributeInt32ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Hc(c,
+a,b,d)};g.prototype.GetAttributeUInt32ForAllPoints=g.prototype.GetAttributeUInt32ForAllPoints=function(a,b,d){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);return!!Ic(c,a,b,d)};g.prototype.GetAttributeDataArrayForAllPoints=g.prototype.GetAttributeDataArrayForAllPoints=function(a,b,d,e,f){var c=this.ptr;a&&"object"===typeof a&&(a=a.ptr);b&&"object"===typeof b&&(b=b.ptr);d&&"object"===typeof d&&(d=d.ptr);e&&"object"===typeof e&&
+(e=e.ptr);f&&"object"===typeof f&&(f=f.ptr);return!!Jc(c,a,b,d,e,f)};g.prototype.SkipAttributeTransform=g.prototype.SkipAttributeTransform=function(a){var b=this.ptr;a&&"object"===typeof a&&(a=a.ptr);Kc(b,a)};g.prototype.__destroy__=g.prototype.__destroy__=function(){Lc(this.ptr)};y.prototype=Object.create(p.prototype);y.prototype.constructor=y;y.prototype.__class__=y;y.__cache__={};a.Mesh=y;y.prototype.num_faces=y.prototype.num_faces=function(){return Mc(this.ptr)};y.prototype.num_attributes=y.prototype.num_attributes=
+function(){return Nc(this.ptr)};y.prototype.num_points=y.prototype.num_points=function(){return Oc(this.ptr)};y.prototype.__destroy__=y.prototype.__destroy__=function(){Pc(this.ptr)};Q.prototype=Object.create(p.prototype);Q.prototype.constructor=Q;Q.prototype.__class__=Q;Q.__cache__={};a.VoidPtr=Q;Q.prototype.__destroy__=Q.prototype.__destroy__=function(){Qc(this.ptr)};I.prototype=Object.create(p.prototype);I.prototype.constructor=I;I.prototype.__class__=I;I.__cache__={};a.DracoInt32Array=I;I.prototype.GetValue=
+I.prototype.GetValue=function(a){var b=this.ptr;a&&"object"===typeof a&&(a=a.ptr);return Rc(b,a)};I.prototype.size=I.prototype.size=function(){return Sc(this.ptr)};I.prototype.__destroy__=I.prototype.__destroy__=function(){Tc(this.ptr)};L.prototype=Object.create(p.prototype);L.prototype.constructor=L;L.prototype.__class__=L;L.__cache__={};a.Metadata=L;L.prototype.__destroy__=L.prototype.__destroy__=function(){Uc(this.ptr)};(function(){function c(){a.OK=Vc();a.DRACO_ERROR=Wc();a.IO_ERROR=Xc();a.INVALID_PARAMETER=
+Yc();a.UNSUPPORTED_VERSION=Zc();a.UNKNOWN_VERSION=$c();a.DT_INVALID=ad();a.DT_INT8=bd();a.DT_UINT8=cd();a.DT_INT16=dd();a.DT_UINT16=ed();a.DT_INT32=fd();a.DT_UINT32=gd();a.DT_INT64=hd();a.DT_UINT64=id();a.DT_FLOAT32=jd();a.DT_FLOAT64=kd();a.DT_BOOL=ld();a.DT_TYPES_COUNT=md();a.INVALID_GEOMETRY_TYPE=nd();a.POINT_CLOUD=od();a.TRIANGULAR_MESH=pd();a.ATTRIBUTE_INVALID_TRANSFORM=qd();a.ATTRIBUTE_NO_TRANSFORM=rd();a.ATTRIBUTE_QUANTIZATION_TRANSFORM=sd();a.ATTRIBUTE_OCTAHEDRON_TRANSFORM=td();a.INVALID=ud();
+a.POSITION=vd();a.NORMAL=wd();a.COLOR=xd();a.TEX_COORD=yd();a.GENERIC=zd()}Ba?c():Da.unshift(c)})();if("function"===typeof a.onModuleParsed)a.onModuleParsed();return m}}();"object"===typeof exports&&"object"===typeof module?module.exports=DracoDecoderModule:"function"===typeof define&&define.amd?define([],function(){return DracoDecoderModule}):"object"===typeof exports&&(exports.DracoDecoderModule=DracoDecoderModule);

demo/vite.config.js

@@ -5,8 +5,9 @@ export default defineConfig({
   root: '.',
   server: {
     port: 8080,
+    host: '0.0.0.0',
     open: true,
-    // 允许访问父目录的文件（用于加载 SDK）
+    allowedHosts: true,
     fs: {
       allow: ['..']
     }