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	<title>SpotLightNode - Three.js Docs</title>
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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="Node.html">Node</a> → <a href="LightingNode.html">LightingNode</a> → <a href="AnalyticLightNode.html">AnalyticLightNode</a> → </p>
	<h1 translate="no">SpotLightNode</h1>
		<section>
			<header>
				<div class="class-description"><p>Module for representing spot lights as nodes.</p></div>
			</header>
			<article>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="SpotLightNode" translate="no">new <a href="#SpotLightNode">SpotLightNode</a><span class="signature">( light : <span class="param-type">SpotLight</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new spot light node.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>light</code></td>
									<td class="description last"><p>The spot light source.<br/>Default is <code>null</code>.</p></td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="colorNode" translate="no">.<a href="#colorNode">colorNode</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;<a href="Color.html">Color</a>></span> </h3>
					<div class="description">
						<p>Uniform node representing the light color.</p>
					</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="AnalyticLightNode.html#colorNode">AnalyticLightNode#colorNode</a></dt>
						</dl>
				</div>
				<div class="member">
					<h3 class="name" id="coneCosNode" translate="no">.<a href="#coneCosNode">coneCosNode</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>Uniform node representing the cone cosine.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="cutoffDistanceNode" translate="no">.<a href="#cutoffDistanceNode">cutoffDistanceNode</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>Uniform node representing the cutoff distance.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="decayExponentNode" translate="no">.<a href="#decayExponentNode">decayExponentNode</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>Uniform node representing the decay exponent.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="penumbraCosNode" translate="no">.<a href="#penumbraCosNode">penumbraCosNode</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>Uniform node representing the penumbra cosine.</p>
					</div>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="getSpotAttenuation" translate="no">.<a href="#getSpotAttenuation">getSpotAttenuation</a><span class="signature">( builder : <span class="param-type">NodeBuilder</span>, angleCosine : <span class="param-type">Node.&lt;float></span> )</span><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;float></span> </h3>
					<div class="method">
						<div class="description">
							<p>Computes the spot attenuation for the given angle.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>builder</code></td>
									<td class="description last"><p>The node builder.</p></td>
								</tr>
								<tr>
									<td class="name"><code>angleCosine</code></td>
									<td class="description last"><p>The angle to compute the spot attenuation for.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The spot attenuation.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="update" translate="no">.<a href="#update">update</a><span class="signature">( frame : <span class="param-type">NodeFrame</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Overwritten to updated spot light specific uniforms.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>frame</code></td>
									<td class="description last"><p>A reference to the current node frame.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="AnalyticLightNode.html#update">AnalyticLightNode#update</a></dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/src/nodes/lighting/SpotLightNode.js" target="_blank" rel="noopener" translate="no">src/nodes/lighting/SpotLightNode.js</a>
				</p>
			</article>
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