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	<title>PositionalAudio - Three.js Docs</title>
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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="Object3D.html">Object3D</a> → <a href="Audio.html">Audio</a> → </p>
	<h1 translate="no">PositionalAudio</h1>
		<section>
			<header>
				<div class="class-description"><p>Represents a positional audio object.</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">// 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></pre></div>
			</header>
			<article>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="PositionalAudio" translate="no">new <a href="#PositionalAudio">PositionalAudio</a><span class="signature">( listener : <span class="param-type">AudioListener</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a positional audio.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>listener</code></td>
									<td class="description last"><p>The global audio listener.</p></td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="panner" translate="no">.<a href="#panner">panner</a><span class="type-signature"> : PannerNode</span> <span class="type-signature">(readonly) </span></h3>
					<div class="description">
						<p>The panner node represents the location, direction, and behavior of an audio
source in 3D space.</p>
					</div>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="getDistanceModel" translate="no">.<a href="#getDistanceModel">getDistanceModel</a><span class="signature">()</span><span class="type-signature"> : 'linear' | 'inverse' | 'exponential'</span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the current distance model.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The distance model.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getMaxDistance" translate="no">.<a href="#getMaxDistance">getMaxDistance</a><span class="signature">()</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the current max distance.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The max distance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getRefDistance" translate="no">.<a href="#getRefDistance">getRefDistance</a><span class="signature">()</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the current reference distance.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The reference distance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getRolloffFactor" translate="no">.<a href="#getRolloffFactor">getRolloffFactor</a><span class="signature">()</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the current rolloff factor.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The rolloff factor.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setDirectionalCone" translate="no">.<a href="#setDirectionalCone">setDirectionalCone</a><span class="signature">( coneInnerAngle : <span class="param-type">number</span>, coneOuterAngle : <span class="param-type">number</span>, coneOuterGain : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Sets the directional cone in which the audio can be listened.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>coneInnerAngle</code></td>
									<td class="description last"><p>An angle, in degrees, of a cone inside of which there will be no volume reduction.</p></td>
								</tr>
								<tr>
									<td class="name"><code>coneOuterAngle</code></td>
									<td class="description last"><p>An angle, in degrees, of a cone outside of which the volume will be reduced by a constant value, defined by the <code>coneOuterGain</code> parameter.</p></td>
								</tr>
								<tr>
									<td class="name"><code>coneOuterGain</code></td>
									<td class="description last"><p>The amount of volume reduction outside the cone defined by the <code>coneOuterAngle</code>. When set to <code>0</code>, no sound can be heard.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setDistanceModel" translate="no">.<a href="#setDistanceModel">setDistanceModel</a><span class="signature">( value : <span class="param-type">'linear' | 'inverse' | 'exponential'</span> )</span><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Defines which algorithm to use to reduce the volume of the audio source
as it moves away from the listener.</p>
<p>Read <a href="https://www.w3.org/TR/webaudio-1.1/#enumdef-distancemodeltype">the spec</a>
for more details.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>value</code></td>
									<td class="description last"><p>The distance model to set.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setMaxDistance" translate="no">.<a href="#setMaxDistance">setMaxDistance</a><span class="signature">( value : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Defines the maximum distance between the audio source and the listener,
after which the volume is not reduced any further.</p>
<p>This value is used only by the <code>linear</code> distance model.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>value</code></td>
									<td class="description last"><p>The max distance.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setRefDistance" translate="no">.<a href="#setRefDistance">setRefDistance</a><span class="signature">( value : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Defines the reference distance for reducing volume as the audio source moves
further from the listener – i.e. the distance at which the volume reduction
starts taking effect.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>value</code></td>
									<td class="description last"><p>The reference distance to set.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setRolloffFactor" translate="no">.<a href="#setRolloffFactor">setRolloffFactor</a><span class="signature">( value : <span class="param-type">number</span> )</span><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Defines how quickly the volume is reduced as the source moves away from the listener.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>value</code></td>
									<td class="description last"><p>The rolloff factor.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/src/audio/PositionalAudio.js" target="_blank" rel="noopener" translate="no">src/audio/PositionalAudio.js</a>
				</p>
			</article>
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