javascript
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three.js
镜像来自 https://github.com/tazdij/three.js.git


			
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		<h1>[name]</h1>

		<p class="desc">A loader for loading a <em>.obj</em> resource.<br />
			The <a href="https://en.wikipedia.org/wiki/Wavefront_.obj_file">OBJ file format</a> is a simple data-format
			that represents 3D geometry in a human readable format as, the position of each vertex, the UV position of
			each texture coordinate vertex, vertex normals, and the faces that make each polygon defined as a list of
			vertices, and texture vertices.
		</p>

		<h2>Examples</h2>

		<code>
		// instantiate the loader
		let objLoader2Parallel = new OBJLoader2Parallel();

		// define where to attach the data
		let local = new THREE.Object3D();

		// function called on successful completion of parsing
		function callbackOnLoad( object3d, message ) {
			local.add( object3d );
		}

		// load a resource from provided URL in parallel to Main
		objLoader2Parallel.load( 'models/obj/walt/WaltHead.obj', callbackOnLoad, null, null, null );
		</code>

		[example:webgl_loader_obj2_options] - Example for multiple use-cases (parse and load, sync (see [page:OBJLoader2]) or in parallel to main)<br>


		<h2>Constructor</h2>

		<h3>[name]( [param:LoadingManager manager] )</h3>
		<p>
			[page:LoadingManager manager] - The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].<br>
		</p>
		<p>
			Creates a new [name]. Use it to load OBJ data from files or to parse OBJ data from arraybuffer or text.
		</p>


		<h2>Methods</h2>

		<h3>[method:Object3D parse]( [param:arraybuffer content]|[param:String content] )</h3>
		<p>
			[[page:arraybuffer content]|[page:String content]] OBJ data as Uint8Array or String
		</p>
		<p>
			Parses OBJ data synchronously from arraybuffer or string and returns the [page:Object3D loaderRoorNode].
		</p>


		<h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError], [param:Function onMeshAlter], [param:boolean useAsync] )</h3>
		<p>
			[page:String url] - A string containing the path/URL of the file to be loaded.<br>
			[page:Function onLoad] - A function to be called after loading is successfully completed. The function receives loaded [page:Object3D] as an argument.<br>
			[page:Function onProgress] - (optional) A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, which contains [page:Integer total] and [page:Integer loaded] bytes.<br>
			[page:Function onError] - (optional) A function to be called if an error occurs during loading. The function receives the error as an argument.<br>
			[page:Function onMeshAlter] - (optional) A function to be called after a new mesh raw data becomes available for alteration.<br>
			[page:boolean useAsync] - (optional) If true, uses async loading with worker, if false loads data synchronously.
		</p>
		<p>
			Use this convenient method to load a file at the given URL. By default the fileLoader uses an ArrayBuffer.
		</p>


		<h2>Source</h2>

		<p>
			[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/OBJLoader2Parallel.js examples/jsm/loaders/OBJLoader2.js]
		</p>
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