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	<title>Refractor - 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="Mesh.html">Mesh</a> → </p>
	<h1 translate="no">Refractor</h1>
		<section>
			<header>
				<div class="class-description"><p>Can be used to create a flat, refractive surface like for special
windows or water effects.</p>
<p>Note that this class can only be used with <a href="WebGLRenderer.html">WebGLRenderer</a>.
When using <a href="WebGPURenderer.html">WebGPURenderer</a>, use <a href="TSL.html#viewportSharedTexture">viewportSharedTexture</a>.</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const geometry = new THREE.PlaneGeometry( 100, 100 );
const refractor = new Refractor( refractorGeometry, {
	color: 0xcbcbcb,
	textureWidth: 1024,
	textureHeight: 1024
} );
scene.add( refractor );
</code></pre></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">Refractor</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 { Refractor } from 'three/addons/objects/Refractor.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="Refractor" translate="no">new <a href="#Refractor">Refractor</a><span class="signature">( geometry : <span class="param-type"><a href="BufferGeometry.html">BufferGeometry</a></span>, options : <span class="param-type"><a href="Refractor.html#~Options">Refractor~Options</a></span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new refractor.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>geometry</strong>
									</td>
									<td class="description last">
										<p>The refractor's geometry.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>options</strong>
									</td>
									<td class="description last">
										<p>The configuration options.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="camera" translate="no">.<a href="#camera">camera</a><span class="type-signature"> : <a href="PerspectiveCamera.html">PerspectiveCamera</a></span> </h3>
					<div class="description">
						<p>The reflector's virtual camera.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="isRefractor" translate="no">.<a href="#isRefractor">isRefractor</a><span class="type-signature"> : boolean</span> <span class="type-signature">(readonly) </span></h3>
					<div class="description">
						<p>This flag can be used for type testing.</p>
						<p>Default is <code>true</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="getRenderTarget" translate="no">.<a href="#getRenderTarget">getRenderTarget</a><span class="signature">()</span><span class="type-signature"> : <a href="WebGLRenderTarget.html">WebGLRenderTarget</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the reflector's internal render target.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The internal render target</dt>
						</dl>
					</div>
				<h2 class="subsection-title">Type Definitions</h2>
				<div class="member">
					<h3 class="name" id="~Options" translate="no">.<a href="#~Options">Options</a> </h3>
					<div class="description">
						<p>Constructor options of <code>Refractor</code>.</p>
					</div>
<table class="props">
	<tbody>
		<tr>
				<td class="name">
					<strong>color</strong>
						<br>
<span class="param-type">number</span>
|
<span class="param-type"><a href="Color.html">Color</a></span>
|
<span class="param-type">string</span>
				</td>
			<td class="description last">
				<p>The refractor's color.</p>
						<p>Default is <code>0x7F7F7F</code>.</p>
			</td>
		</tr>
		<tr>
				<td class="name">
					<strong>textureWidth</strong>
						<br>
<span class="param-type">number</span>
				</td>
			<td class="description last">
				<p>The texture width. A higher value results in more clear refractions but is also more expensive.</p>
						<p>Default is <code>512</code>.</p>
			</td>
		</tr>
		<tr>
				<td class="name">
					<strong>textureHeight</strong>
						<br>
<span class="param-type">number</span>
				</td>
			<td class="description last">
				<p>The texture height. A higher value results in more clear refractions but is also more expensive.</p>
						<p>Default is <code>512</code>.</p>
			</td>
		</tr>
		<tr>
				<td class="name">
					<strong>clipBias</strong>
						<br>
<span class="param-type">number</span>
				</td>
			<td class="description last">
				<p>The clip bias.</p>
						<p>Default is <code>0</code>.</p>
			</td>
		</tr>
		<tr>
				<td class="name">
					<strong>shader</strong>
						<br>
<span class="param-type">Object</span>
				</td>
			<td class="description last">
				<p>Can be used to pass in a custom shader that defines how the refractive view is projected onto the reflector's geometry.</p>
			</td>
		</tr>
		<tr>
				<td class="name">
					<strong>multisample</strong>
						<br>
<span class="param-type">number</span>
				</td>
			<td class="description last">
				<p>How many samples to use for MSAA. <code>0</code> disables MSAA.</p>
						<p>Default is <code>4</code>.</p>
			</td>
		</tr>
	</tbody>
</table>
				</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/objects/Refractor.js" translate="no" target="_blank" rel="noopener">examples/jsm/objects/Refractor.js</a>
				</p>
			</article>
		</section>
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