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	<title>ParametricGeometry - Three.js Docs</title>
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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="BufferGeometry.html">BufferGeometry</a> → </p>
	<h1 translate="no">ParametricGeometry</h1>
		<section>
			<header>
				<div class="class-description"><p>This class can be used to generate a geometry based on a parametric surface.</p>
<p>Reference: <a href="https://prideout.net/blog/old/blog/index.html@p=44.html">Mesh Generation with Python</a></p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const geometry = new THREE.ParametricGeometry( klein, 25, 25 );
const material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
const klein = new THREE.Mesh( geometry, material );
scene.add( klein );
</code></pre></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">ParametricGeometry</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 { ParametricGeometry } from 'three/addons/geometries/ParametricGeometry.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="ParametricGeometry" translate="no">new <a href="#ParametricGeometry">ParametricGeometry</a><span class="signature">( func : <span class="param-type">ParametricGeometry~Func</span>, slices : <span class="param-type">number</span>, stacks : <span class="param-type">number</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new parametric geometry.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>func</code></td>
									<td class="description last"><p>The parametric function. Default is a function that generates a curved plane surface.</p></td>
								</tr>
								<tr>
									<td class="name"><code>slices</code></td>
									<td class="description last"><p>The number of slices to use for the parametric function.<br/>Default is <code>8</code>.</p></td>
								</tr>
								<tr>
									<td class="name"><code>stacks</code></td>
									<td class="description last"><p>The stacks of slices to use for the parametric function.<br/>Default is <code>8</code>.</p></td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="parameters" translate="no">.<a href="#parameters">parameters</a><span class="type-signature"> : Object</span> </h3>
					<div class="description">
						<p>Holds the constructor parameters that have been
used to generate the geometry. Any modification
after instantiation does not change the geometry.</p>
					</div>
				</div>
				<h2 class="subsection-title">Type Definitions</h2>
					<h3 class="name name-method" id="~Func" translate="no">.<a href="#~Func">Func</a><span class="signature">( u : <span class="param-type">number</span>, v : <span class="param-type">number</span>, target : <span class="param-type">Vector3</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Parametric function definition of <code>ParametricGeometry</code>.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name"><code>u</code></td>
									<td class="description last"><p>The <code>u</code> coordinate on the surface in the range <code>[0,1]</code>.</p></td>
								</tr>
								<tr>
									<td class="name"><code>v</code></td>
									<td class="description last"><p>The <code>v</code> coordinate on the surface in the range <code>[0,1]</code>.</p></td>
								</tr>
								<tr>
									<td class="name"><code>target</code></td>
									<td class="description last"><p>The target vector that is used to store the method's result.</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/geometries/ParametricGeometry.js" target="_blank" rel="noopener" translate="no">examples/jsm/geometries/ParametricGeometry.js</a>
				</p>
			</article>
		</section>
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