92 lines
2.7 KiB
HTML
92 lines
2.7 KiB
HTML
<!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>[name]</h1>
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<p class="desc">
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使用JSON格式中加载字体的一个类。返回[page:Font Font], 返回值是表示字体的[page:Shape Shape]类型的数组。
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其内部使用[page:FileLoader]来加载文件。 <br /><br />
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你可以使用[link:https://gero3.github.io/facetype.js/ facetype.js]在线转换字体。
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</p>
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<h2>代码示例</h2>
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<code>
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const loader = new THREE.FontLoader();
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const font = loader.load(
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// 资源URL
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'fonts/helvetiker_bold.typeface.json',
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// onLoad回调
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function ( font ) {
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// do something with the font
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scene.add( font );
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},
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// onProgress回调
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function ( xhr ) {
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console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
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},
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// onError回调
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function ( err ) {
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console.log( 'An error happened' );
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}
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);
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</code>
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<h2>例子</h2>
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<p>
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[example:webgl_geometry_text_shapes geometry / text / shapes ]<br/>
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[example:webgl_geometry_text geometry / text ]
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</p>
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<h2>构造函数</h2>
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<h3>[name]( [param:LoadingManager manager] )</h3>
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<p>
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[page:LoadingManager manager] — 加载器所使用的[page:LoadingManager loadingManager]。默认值为[page:LoadingManager THREE.DefaultLoadingManager].<br /><br />
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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:null 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] — 文件的URL或者路径，也可以为
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[link:https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs Data URI].<br />
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[page:Function onLoad] — 加载完成时将调用。回调参数是将要被加载的[page:Texture texture].<br />
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[page:Function onProgress] — 将在加载过程中进行调用。参数为XMLHttpRequest实例，实例包含[page:Integer total]和[page:Integer loaded]字节。<br />
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[page:Function onError] — 在加载错误时被调用。<br /><br />
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从URL中进行加载，并将被加载的[page:Texture texture]传递给onLoad。
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</p>
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<h3>[method:Font parse]( [param:Object json] )</h3>
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<p>
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[page:Object json] — The <em>JSON</em> structure to parse.<br /><br />
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以<em>JSON</em>格式进行解析，并返回一个[page:Font].
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</p>
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<h2>源</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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</p>
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</body>
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</html>
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