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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="Node.html">Node</a> → <a href="TempNode.html">TempNode</a> → </p>
	<h1 translate="no">BloomNode</h1>
		<section>
			<header>
				<div class="class-description"><p>Post processing node for creating a bloom effect.</p>
<p>By default, the node affects the entire image. For a selective bloom,
use the <code>emissive</code> material property to control which objects should
contribute to bloom or not. This can be achieved via MRT.</p>
<pre><code class="language-js">const postProcessing = new THREE.PostProcessing( renderer );
const scenePass = pass( scene, camera );
scenePass.setMRT( mrt( {
	output,
	emissive
} ) );
const scenePassColor = scenePass.getTextureNode( 'output' );
const emissivePass = scenePass.getTextureNode( 'emissive' );
const bloomPass = bloom( emissivePass );
postProcessing.outputNode = scenePassColor.add( bloomPass );
</code></pre></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">const postProcessing = new THREE.PostProcessing( renderer );
const scenePass = pass( scene, camera );
const scenePassColor = scenePass.getTextureNode( 'output' );
const bloomPass = bloom( scenePassColor );
postProcessing.outputNode = scenePassColor.add( bloomPass );
</code></pre></div>
			</header>
			<article>
				<h2 class="subsection-title">Import</h2>
				<p><span translate="no">BloomNode</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 { bloom } from 'three/addons/tsl/display/BloomNode.js';</code></pre>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="BloomNode" translate="no">new <a href="#BloomNode">BloomNode</a><span class="signature">( inputNode : <span class="param-type"><a href="Node.html">Node</a>.&lt;vec4></span>, strength : <span class="param-type">number</span>, radius : <span class="param-type">number</span>, threshold : <span class="param-type">number</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new bloom node.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>inputNode</strong>
									</td>
									<td class="description last">
										<p>The node that represents the input of the effect.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>strength</strong>
									</td>
									<td class="description last">
										<p>The strength of the bloom.</p>
										<p>Default is <code>1</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>radius</strong>
									</td>
									<td class="description last">
										<p>The radius of the bloom.</p>
										<p>Default is <code>0</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>threshold</strong>
									</td>
									<td class="description last">
										<p>The luminance threshold limits which bright areas contribute to the bloom effect.</p>
										<p>Default is <code>0</code>.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="inputNode" translate="no">.<a href="#inputNode">inputNode</a><span class="type-signature"> : <a href="Node.html">Node</a>.&lt;vec4></span> </h3>
					<div class="description">
						<p>The node that represents the input of the effect.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="radius" translate="no">.<a href="#radius">radius</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>The radius of the bloom.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="smoothWidth" translate="no">.<a href="#smoothWidth">smoothWidth</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>Can be used to tweak the extracted luminance from the scene.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="strength" translate="no">.<a href="#strength">strength</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>The strength of the bloom.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="threshold" translate="no">.<a href="#threshold">threshold</a><span class="type-signature"> : <a href="UniformNode.html">UniformNode</a>.&lt;float></span> </h3>
					<div class="description">
						<p>The luminance threshold limits which bright areas contribute to the bloom effect.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="updateBeforeType" translate="no">.<a href="#updateBeforeType">updateBeforeType</a><span class="type-signature"> : string</span> </h3>
					<div class="description">
						<p>The <code>updateBeforeType</code> is set to <code>NodeUpdateType.FRAME</code> since the node renders
its effect once per frame in <code>updateBefore()</code>.</p>
						<p>Default is <code>'frame'</code>.</p>
					</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBeforeType">TempNode#updateBeforeType</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 internal resources. This method should be called
when the effect is no longer required.</p>
						</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#dispose">TempNode#dispose</a></dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getTextureNode" translate="no">.<a href="#getTextureNode">getTextureNode</a><span class="signature">()</span><span class="type-signature"> : <a href="PassTextureNode.html">PassTextureNode</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>Returns the result of the effect as a texture node.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A texture node that represents the result of the effect.</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 effect.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>width</strong>
									</td>
									<td class="description last">
										<p>The width of the effect.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>height</strong>
									</td>
									<td class="description last">
										<p>The height of the effect.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
					<h3 class="name name-method" id="setup" translate="no">.<a href="#setup">setup</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span> )</span><span class="type-signature"> : <a href="PassTextureNode.html">PassTextureNode</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is used to setup the effect's TSL code.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>builder</strong>
									</td>
									<td class="description last">
										<p>The current node builder.</p>
									</td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#setup">TempNode#setup</a></dt>
						</dl>
					</div>
					<h3 class="name name-method" id="updateBefore" translate="no">.<a href="#updateBefore">updateBefore</a><span class="signature">( frame : <span class="param-type"><a href="NodeFrame.html">NodeFrame</a></span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is used to render the effect once per frame.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>frame</strong>
									</td>
									<td class="description last">
										<p>The current node frame.</p>
									</td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="TempNode.html#updateBefore">TempNode#updateBefore</a></dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/examples/jsm/tsl/display/BloomNode.js" translate="no" target="_blank" rel="noopener">examples/jsm/tsl/display/BloomNode.js</a>
				</p>
			</article>
		</section>
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