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


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

		<h1>[name]</h1>

		<p class="desc">
      Crea un oggetto audio posizionale.<br /><br />

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

		<h2>Codice di Esempio</h2>

		<code>
		// crea un AudioListener e lo aggiunge alla camera
		const listener = new THREE.AudioListener();
		camera.add( listener );

		// crea l'oggetto PositionalAudio (passandogli il listener)
		const sound = new THREE.PositionalAudio( listener );

		// carica un suono e lo imposta come buffer dell'oggetto PositionalAudio
		const audioLoader = new THREE.AudioLoader();
		audioLoader.load( 'sounds/song.ogg', function( buffer ) {
			sound.setBuffer( buffer );
			sound.setRefDistance( 20 );
			sound.play();
		});

		// crea un oggetto da cui riprodurre il suono
		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 );

		// infine aggiunge il suono alla mesh
		mesh.add( sound );
		</code>

		<h2>Esempi</h2>

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

		<h2>Costruttore</h2>

		<h3>[name]( [param:AudioListener listener] )</h3>
		<p>
		  listener — (obbligatorio) istanza di [page:AudioListener AudioListener].
		</p>


		<h2>Proprietà</h2>

		<p>
      Vedi la classe [page:Audio Audio] per le proprietà ereditate.
		</p>

		<h3>[property:PannerNode panner]</h3>
		<p>
      Il [link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode PannerNode] di PositionalAudio.
    </p>


		<h2>Metodi</h2>

		<p>
      Vedi la classe [page:Audio Audio] per i metodi ereditati.
		</p>

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

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

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

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

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

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

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

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

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

		<h3>[method:this setDirectionalCone]( [param:Float coneInnerAngle], [param:Float coneOuterAngle], [param:Float coneOuterGain] )</h3>
		<p>
      Questo metodo può essere usato per trasformare un suono omnidirezionale in un [link:https://developer.mozilla.org/en-US/docs/Web/API/PannerNode suono direzionale].
		</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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