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98 lines
2.6 KiB
98 lines
2.6 KiB
3 years ago
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<!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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用来加载
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[link:https://developer.mozilla.org/en-US/docs/Web/API/AudioBuffer AudioBuffer]的一个类。
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内部默认使用[page:FileLoader]来加载文件。
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</p>
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<h2>代码示例</h2>
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<code>
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// 初始化一个监听
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const audioListener = new THREE.AudioListener();
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// 把监听添加到camera
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camera.add( audioListener );
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// 初始化音频对象
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const oceanAmbientSound = new THREE.Audio( audioListener );
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// 添加一个音频对象到场景中
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scene.add( oceanAmbientSound );
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// 初始化一个加载器
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const loader = new THREE.AudioLoader();
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// 加载资源
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loader.load(
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// 资源URL
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'audio/ambient_ocean.ogg',
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// onLoad回调
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function ( audioBuffer ) {
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// 给一个加载器对象设置音频对象的缓存
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oceanAmbientSound.setBuffer( audioBuffer );
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// 播放音频
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oceanAmbientSound.play();
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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>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] — 加载器使用的[page:LoadingManager loadingManager]。默认为[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: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] — 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。回调参数为将要加载的响应文本。<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 />
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</p>
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<p>
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从URL中进行加载并将已经加载的[page:String AudioBuffer]传递给onLoad。
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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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