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	<title>PositionalAudioHelper - 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="Line.html">Line</a> → </p>
	<h1 translate="no">PositionalAudioHelper</h1>
		<section>
			<header>
				<div class="class-description"><p>This helper displays the directional cone of a positional audio.</p>
<p><code>PositionalAudioHelper</code> must be added as a child of the positional audio.</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const positionalAudio = new THREE.PositionalAudio( listener );
positionalAudio.setDirectionalCone( 180, 230, 0.1 );
scene.add( positionalAudio );
const helper = new PositionalAudioHelper( positionalAudio );
positionalAudio.add( helper );
</code></pre></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">PositionalAudioHelper</span> is an addon, and must be imported explicitly, see <a href="https://threejs.org/manual/#en/installation" target="_blank" rel="noopener">Installation#Addons</a>.</p>
				<pre><code class="language-js">import { PositionalAudioHelper } from 'three/addons/helpers/PositionalAudioHelper.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="PositionalAudioHelper" translate="no">new <a href="#PositionalAudioHelper">PositionalAudioHelper</a><span class="signature">( audio : <span class="param-type"><a href="PositionalAudio.html">PositionalAudio</a></span>, range : <span class="param-type">number</span>, divisionsInnerAngle : <span class="param-type">number</span>, divisionsOuterAngle : <span class="param-type">number</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new positional audio helper.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>audio</strong>
									</td>
									<td class="description last">
										<p>The audio to visualize.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>range</strong>
									</td>
									<td class="description last">
										<p>The range of the directional cone.</p>
										<p>Default is <code>1</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>divisionsInnerAngle</strong>
									</td>
									<td class="description last">
										<p>The number of divisions of the inner part of the directional cone.</p>
										<p>Default is <code>16</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>divisionsOuterAngle</strong>
									</td>
									<td class="description last">
										<p>The number of divisions of the outer part of the directional cone.</p>
										<p>Default is <code>2</code>.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="audio" translate="no">.<a href="#audio">audio</a><span class="type-signature"> : <a href="PositionalAudio.html">PositionalAudio</a></span> </h3>
					<div class="description">
						<p>The audio to visualize.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="divisionsInnerAngle" translate="no">.<a href="#divisionsInnerAngle">divisionsInnerAngle</a><span class="type-signature"> : number</span> </h3>
					<div class="description">
						<p>The number of divisions of the inner part of the directional cone.</p>
						<p>Default is <code>16</code>.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="divisionsOuterAngle" translate="no">.<a href="#divisionsOuterAngle">divisionsOuterAngle</a><span class="type-signature"> : number</span> </h3>
					<div class="description">
						<p>The number of divisions of the outer part of the directional cone.</p>
						<p>Default is <code>2</code>.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="range" translate="no">.<a href="#range">range</a><span class="type-signature"> : number</span> </h3>
					<div class="description">
						<p>The range of the directional cone.</p>
						<p>Default is <code>1</code>.</p>
					</div>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="dispose" translate="no">.<a href="#dispose">dispose</a><span class="signature">()</span> </h3>
					<div class="method">
						<div class="description">
							<p>Frees the GPU-related resources allocated by this instance. Call this
method whenever this instance is no longer used in your app.</p>
						</div>
					</div>
					<h3 class="name name-method" id="update" translate="no">.<a href="#update">update</a><span class="signature">()</span> </h3>
					<div class="method">
						<div class="description">
							<p>Updates the helper. This method must be called whenever the directional cone
of the positional audio is changed.</p>
						</div>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/helpers/PositionalAudioHelper.js" translate="no" target="_blank" rel="noopener">examples/jsm/helpers/PositionalAudioHelper.js</a>
				</p>
			</article>
		</section>
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