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	<title>BloomPass - Three.js Docs</title>
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		<p class="inheritance" translate="no"><a href="Pass.html">Pass</a> → </p>
	<h1 translate="no">BloomPass</h1>
		<section>
			<header>
				<div class="class-description"><p>A pass for a basic Bloom effect.</p>
<p><a href="UnrealBloomPass.html">UnrealBloomPass</a> produces a more advanced Bloom but is also
more expensive.</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const effectBloom = new BloomPass( 0.75 );
composer.addPass( effectBloom );
</code></pre></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">BloomPass</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 { BloomPass } from 'three/addons/postprocessing/BloomPass.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="BloomPass" translate="no">new <a href="#BloomPass">BloomPass</a><span class="signature">( strength : <span class="param-type">number</span>, kernelSize : <span class="param-type">number</span>, sigma : <span class="param-type">number</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new Bloom pass.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>strength</strong>
									</td>
									<td class="description last">
										<p>The Bloom strength.</p>
										<p>Default is <code>1</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>kernelSize</strong>
									</td>
									<td class="description last">
										<p>The kernel size.</p>
										<p>Default is <code>25</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>sigma</strong>
									</td>
									<td class="description last">
										<p>The sigma.</p>
										<p>Default is <code>4</code>.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="combineUniforms" translate="no">.<a href="#combineUniforms">combineUniforms</a><span class="type-signature"> : Object</span> </h3>
					<div class="description">
						<p>The combine pass uniforms.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="convolutionUniforms" translate="no">.<a href="#convolutionUniforms">convolutionUniforms</a><span class="type-signature"> : Object</span> </h3>
					<div class="description">
						<p>The convolution pass uniforms.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="materialCombine" translate="no">.<a href="#materialCombine">materialCombine</a><span class="type-signature"> : <a href="ShaderMaterial.html">ShaderMaterial</a></span> </h3>
					<div class="description">
						<p>The combine pass material.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="materialConvolution" translate="no">.<a href="#materialConvolution">materialConvolution</a><span class="type-signature"> : <a href="ShaderMaterial.html">ShaderMaterial</a></span> </h3>
					<div class="description">
						<p>The convolution pass material.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="needsSwap" translate="no">.<a href="#needsSwap">needsSwap</a><span class="type-signature"> : boolean</span> </h3>
					<div class="description">
						<p>Overwritten to disable the swap.</p>
						<p>Default is <code>false</code>.</p>
					</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Pass.html#needsSwap">Pass#needsSwap</a></dt>
						</dl>
				</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 the pass is no longer used in your app.</p>
						</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Pass.html#dispose">Pass#dispose</a></dt>
						</dl>
					</div>
					<h3 class="name name-method" id="render" translate="no">.<a href="#render">render</a><span class="signature">( renderer : <span class="param-type"><a href="WebGLRenderer.html">WebGLRenderer</a></span>, writeBuffer : <span class="param-type"><a href="WebGLRenderTarget.html">WebGLRenderTarget</a></span>, readBuffer : <span class="param-type"><a href="WebGLRenderTarget.html">WebGLRenderTarget</a></span>, deltaTime : <span class="param-type">number</span>, maskActive : <span class="param-type">boolean</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Performs the Bloom pass.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>renderer</strong>
									</td>
									<td class="description last">
										<p>The renderer.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>writeBuffer</strong>
									</td>
									<td class="description last">
										<p>The write buffer. This buffer is intended as the rendering
destination for the pass.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>readBuffer</strong>
									</td>
									<td class="description last">
										<p>The read buffer. The pass can access the result from the
previous pass from this buffer.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>deltaTime</strong>
									</td>
									<td class="description last">
										<p>The delta time in seconds.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>maskActive</strong>
									</td>
									<td class="description last">
										<p>Whether masking is active or not.</p>
									</td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Pass.html#render">Pass#render</a></dt>
						</dl>
					</div>
					<h3 class="name name-method" id="setSize" translate="no">.<a href="#setSize">setSize</a><span class="signature">( width : <span class="param-type">number</span>, height : <span class="param-type">number</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Sets the size of the pass.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>width</strong>
									</td>
									<td class="description last">
										<p>The width to set.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>height</strong>
									</td>
									<td class="description last">
										<p>The height to set.</p>
									</td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Pass.html#setSize">Pass#setSize</a></dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/postprocessing/BloomPass.js" translate="no" target="_blank" rel="noopener">examples/jsm/postprocessing/BloomPass.js</a>
				</p>
			</article>
		</section>
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