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							78 lines
						
					
					
						
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							78 lines
						
					
					
						
							3.2 KiB
						
					
					
				
								<!DOCTYPE html>
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								<html lang="zh">
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									<head>
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										<meta charset="utf-8" />
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										<base href="../../../" />
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										<script src="page.js"></script>
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										<link type="text/css" rel="stylesheet" href="page.css" />
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									</head>
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									<body>
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										[page:Loader] →
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										<h1>MTL加载器([name])</h1>
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										<p class="desc">一个用于加载 <em>.mtl</em> 资源的加载器,由 [page:OBJLoader] 在内部使用。<br />
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										材质模版库(MTL)或 .MTL 文件格式是 .OBJ 的配套文件格式,
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										用于描述一个或多个 .OBJ 文件中物体表面着色(材质)属性。
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										</p>
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										<h2>构造函数</h2>
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										<h3>[name]( [param:LoadingManager loadingManager] )</h3>
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										<p>
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											[page:LoadingManager manager] — 加载器使用的[page:LoadingManager loadingManager](加载管理器),默认值是[page:LoadingManager THREE.DefaultLoadingManager]。
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										</p>
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										<p>
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											创建一个新的[name]。
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										</p>
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										<h2>属性</h2>
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										<p>共有属性请参见其基类[page:Loader]。</p>
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										<h2>方法</h2>
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										<p>共有方法请参见其基类[page:Loader]。</p>
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										<h3>[method:undefined load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
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										<p>
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											[page:String url] — 一个包含有 <em>.mtl</em> 文件的路径或URL的字符串。<br />
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											[page:Function onLoad] — 当加载过程成功完成以后将被调用的函数。<br />
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											[page:Function onProgress] — (可选)加载过程正在进行的时候被调用的函数。其参数是一个XMLHttpRequest实例,其包含了[page:Integer total] bytes(总的字节数)和[page:Integer loaded] bytes(已经载入的字节数)。<br />
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											[page:Function onError] — (可选) 加载过程中若发生了错误将被调用的函数。这一函数接收错误作为参数。<br />
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										</p>
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										<p>
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											开始从URL中加载,并返回已加载的材质。
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										</p>
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										<h3>[method:this setMaterialOptions]( [param:Object options] )</h3>
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										<p>
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											[page:Object options] — required
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											<ul>
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												<li>side: Which side to apply the material. THREE.FrontSide (default), THREE.BackSide, THREE.DoubleSide</li>
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												<li>wrap: What type of wrapping to apply for textures. THREE.RepeatWrapping (default), THREE.ClampToEdgeWrapping, THREE.MirroredRepeatWrapping</li>
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												<li>normalizeRGB: RGBs need to be normalized to 0-1 from 0-255. Default: false, assumed to be already normalized</li>
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												<li>ignoreZeroRGBs: Ignore values of RGBs (Ka,Kd,Ks) that are all 0's. Default: false</li>
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												<li>invertTrProperty: Use values 1 of Tr field for fully opaque. This option is useful for obj exported from 3ds MAX, vcglib or meshlab. Default: false</li>
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											</ul>
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										</p>
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										<p>
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											设置构造材质的一些选项。
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										</p>
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										<h3>[method:MTLLoaderMaterialCreator parse]( [param:String text, param:String path] )</h3>
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										<p>
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											[page:String text] — 要解析的表示 <em>mtl</em> 结构的文本。
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											[page:String path] — MTL文件的路径。
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										</p>
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										<p>
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											解析 <em>mtl</em> 的文本结构,并返回一个 [page:MTLLoaderMaterialCreator MTLLoader.MaterialCreator] 实例。<br />
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										</p>
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										<h2>源码</h2>
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										<p>
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											[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/loaders/[name].js examples/jsm/loaders/[name].js]
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										</p>
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									</body>
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								</html>
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