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three.js
-ын хуулбар https://github.com/mrdoob/three.js.git


			
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		[page:Object3D] &rarr; [page:Audio] &rarr;

		<h1>[name]</h1>

		<p class="desc">
			创建一个位置相关的音频对象.<br /><br />

			使用了[link:https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API Web Audio API].
		</p>

		<h2>代码示例</h2>

		<code>
		// create an AudioListener and add it to the camera
		const listener = new THREE.AudioListener();
		camera.add( listener );

		// create the PositionalAudio object (passing in the listener)
		const sound = new THREE.PositionalAudio( listener );

		// load a sound and set it as the PositionalAudio object's buffer
		const audioLoader = new THREE.AudioLoader();
		audioLoader.load( 'sounds/song.ogg', function( buffer ) {
			sound.setBuffer( buffer );
			sound.setRefDistance( 20 );
			sound.play();
		});

		// create an object for the sound to play from
		const sphere = new THREE.SphereGeometry( 20, 32, 16 );
		const material = new THREE.MeshPhongMaterial( { color: 0xff2200 } );
		const mesh = new THREE.Mesh( sphere, material );
		scene.add( mesh );

		// finally add the sound to the mesh
		mesh.add( sound );
		</code>

		<h2>例子</h2>

		<p>
			[example:webaudio_orientation webaudio / orientation ]<br />
			[example:webaudio_sandbox webaudio / sandbox ]<br />
			[example:webaudio_timing webaudio / timing ]
		</p>

		<h2>构造函数</h2>

		<h3>[name]( [param:AudioListener listener] )</h3>
		<p>
		listener — (必须) [page:AudioListener AudioListener] 实例.
		</p>


		<h2>属性</h2>

		<p>
			[page:Audio Audio]类的继承属性.
		</p>

		<h3>[property:PannerNode panner]</h3>
		<p>位置相关音频的[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode PannerNode].</p>


		<h2>方法</h2>

		<p>
			[page:Audio Audio]类的继承方法.
		</p>

		<h3>[method:PannerNode getOutput]()</h3>
		<p>
		返回[page:PositionalAudio.panner panner].
		</p>

		<h3>[method:Float getRefDistance]()</h3>
		<p>
		返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/refDistance panner.refDistance]的值.
		</p>

		<h3>[method:this setRefDistance]( [param:Float value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/refDistance panner.refDistance]的值.
		</p>

		<h3>[method:Float getRolloffFactor]()</h3>
		<p>
		返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/rolloffFactor panner.rolloffFactor]的值.
		</p>

		<h3>[method:this setRolloffFactor]( [param:Float value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/rolloffFactor panner.rolloffFactor]的值.
		</p>

		<h3>[method:String getDistanceModel]()</h3>
		<p>
		返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/distanceModel panner.distanceModel]的值.
		</p>

		<h3>[method:this setDistanceModel]( [param:String value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/distanceModel panner.distanceModel]的值.
		</p>

		<h3>[method:Float getMaxDistance]()</h3>
		<p>
		返回[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/maxDistance panner.maxDistance]的值.
		</p>

		<h3>[method:this setMaxDistance]( [param:Float value] )</h3>
		<p>
		设置[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode/maxDistance panner.maxDistance]的值.
		</p>

		<h3>[method:this setDirectionalCone]( [param:Float coneInnerAngle], [param:Float coneOuterAngle], [param:Float coneOuterGain] )</h3>
		<p>
		这个方法用来把环绕声音转换为定向声音[link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode directional sound].
		</p>

		<h2>Source</h2>

		<p>
			[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
		</p>
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