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	<h1 translate="no">SimplexNoise</h1>
		<section>
			<header>
				<div class="class-description"><p>A utility class providing noise functions.</p>
<p>The code is based on <a href="https://web.archive.org/web/20210210162332/http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf">Simplex noise demystified</a>
by Stefan Gustavson, 2005.</p></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">SimplexNoise</span> is an addon, and must be imported explicitly, see <a href="https://threejs.org/manual/#en/installation" target="_blank">Installation#Addons</a>.</p>
				<pre><code class="language-js">import { SimplexNoise } from 'three/addons/math/SimplexNoise.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="SimplexNoise" translate="no">new <a href="#SimplexNoise">SimplexNoise</a><span class="signature">( r : <span class="param-type">Object</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new simplex noise object.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>r</code></td>
									<td class="description last"><p>A math utility class that holds a <code>random()</code> method. This makes it
possible to pass in custom random number generator.<br/>Default is <code>Math</code>.</p></td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="noise" translate="no">.<a href="#noise">noise</a><span class="signature">( xin : <span class="param-type">number</span>, yin : <span class="param-type">number</span> )</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>A 2D simplex noise method.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>xin</code></td>
									<td class="description last"><p>The x coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>yin</code></td>
									<td class="description last"><p>The y coordinate.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The noise value.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="noise3d" translate="no">.<a href="#noise3d">noise3d</a><span class="signature">( xin : <span class="param-type">number</span>, yin : <span class="param-type">number</span>, zin : <span class="param-type">number</span> )</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>A 3D simplex noise method.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>xin</code></td>
									<td class="description last"><p>The x coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>yin</code></td>
									<td class="description last"><p>The y coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>zin</code></td>
									<td class="description last"><p>The z coordinate.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The noise value.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="noise4d" translate="no">.<a href="#noise4d">noise4d</a><span class="signature">( x : <span class="param-type">number</span>, y : <span class="param-type">number</span>, z : <span class="param-type">number</span>, w : <span class="param-type">number</span> )</span><span class="type-signature"> : number</span> </h3>
					<div class="method">
						<div class="description">
							<p>A 4D simplex noise method.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>x</code></td>
									<td class="description last"><p>The x coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>y</code></td>
									<td class="description last"><p>The y coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>z</code></td>
									<td class="description last"><p>The z coordinate.</p></td>
								</tr>
								<tr>
									<td class="name"><code>w</code></td>
									<td class="description last"><p>The w coordinate.</p></td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The noise value.</dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/math/SimplexNoise.js" target="_blank" rel="noopener" translate="no">examples/jsm/math/SimplexNoise.js</a>
				</p>
			</article>
		</section>
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