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	<title>DirectionalLightHelper - 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> → </p>
	<h1 translate="no">DirectionalLightHelper</h1>
		<section>
			<header>
				<div class="class-description"><p>Helper object to assist with visualizing a <a href="DirectionalLight.html">DirectionalLight</a>'s
effect on the scene. This consists of a plane and a line representing the
light's position and direction.</p>
<p>When the directional light or its target are transformed or light properties
are changed, it's necessary to call the <code>update()</code> method of the respective helper.</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const light = new THREE.DirectionalLight( 0xFFFFFF );
scene.add( light );
const helper = new THREE.DirectionalLightHelper( light, 5 );
scene.add( helper );
</code></pre></div>
			</header>
			<article>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="DirectionalLightHelper" translate="no">new <a href="#DirectionalLightHelper">DirectionalLightHelper</a><span class="signature">( light : <span class="param-type"><a href="DirectionalLight.html">DirectionalLight</a></span>, size : <span class="param-type">number</span>, color : <span class="param-type">number | <a href="Color.html">Color</a> | string</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new directional light helper.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong translate="no">light</strong>
									</td>
									<td class="description last">
										<p>The light to be visualized.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong translate="no">size</strong>
									</td>
									<td class="description last">
										<p>The dimensions of the plane.</p>
										<p>Default is <code>1</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong translate="no">color</strong>
									</td>
									<td class="description last">
										<p>The helper's color. If not set, the helper will take
the color of the light.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="color" translate="no">.<a href="#color">color</a><span class="type-signature"> : number | <a href="Color.html">Color</a> | string</span> </h3>
					<div class="description">
						<p>The color parameter passed in the constructor.
If not set, the helper will take the color of the light.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="light" translate="no">.<a href="#light">light</a><span class="type-signature"> : <a href="DirectionalLight.html">DirectionalLight</a></span> </h3>
					<div class="description">
						<p>The light being visualized.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="lightPlane" translate="no">.<a href="#lightPlane">lightPlane</a><span class="type-signature"> : <a href="Line.html">Line</a></span> </h3>
					<div class="description">
						<p>Contains the line showing the location of the directional light.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="targetLine" translate="no">.<a href="#targetLine">targetLine</a><span class="type-signature"> : <a href="Line.html">Line</a></span> </h3>
					<div class="description">
						<p>Represents the target line of the directional light.</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 to match the position and direction of the
light being visualized.</p>
						</div>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/src/helpers/DirectionalLightHelper.js" translate="no" target="_blank" rel="noopener">src/helpers/DirectionalLightHelper.js</a>
				</p>
			</article>
		</section>
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