samien
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three.js
oglindă de https://github.com/mrdoob/three.js.git


			
				
					
						
						
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	<title>ContextNode - Three.js Docs</title>
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		<p class="inheritance" translate="no"><a href="EventDispatcher.html">EventDispatcher</a> → <a href="Node.html">Node</a> → </p>
	<h1 translate="no">ContextNode</h1>
		<section>
			<header>
				<div class="class-description"><p>This node can be used as a context management component for another node.
<a href="NodeBuilder.html">NodeBuilder</a> performs its node building process in a specific context and
this node allows the modify the context. A typical use case is to overwrite <code>getUV()</code> e.g.:</p></div>
				<h2>Code Example</h2>
				<div translate="no"><pre><code class="language-js">node.context( { getUV: () => customCoord } );
\// or
material.contextNode = context( { getUV: () => customCoord } );
\// or
renderer.contextNode = context( { getUV: () => customCoord } );
\// or
scenePass.contextNode = context( { getUV: () => customCoord } );
</code></pre></div>
			</header>
			<article>
				<div class="container-overview">
					<h2>Constructor</h2>
					<h3 class="name name-method" id="ContextNode" translate="no">new <a href="#ContextNode">ContextNode</a><span class="signature">( node : <span class="param-type"><a href="Node.html">Node</a></span>, value : <span class="param-type">Object</span> )</span> </h3>
					<div class="method">
						<div class="description">
							<p>Constructs a new context node.</p>
						</div>
						<table class="params">
							<tbody>
								<tr>
									<td class="name">
										<strong>node</strong>
									</td>
									<td class="description last">
										<p>The node whose context should be modified.</p>
										<p>Default is <code>null</code>.</p>
									</td>
								</tr>
								<tr>
									<td class="name">
										<strong>value</strong>
									</td>
									<td class="description last">
										<p>The modified context data.</p>
										<p>Default is <code>{}</code>.</p>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
				<h2 class="subsection-title">Properties</h2>
				<div class="member">
					<h3 class="name" id="isContextNode" translate="no">.<a href="#isContextNode">isContextNode</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>
				<div class="member">
					<h3 class="name" id="node" translate="no">.<a href="#node">node</a><span class="type-signature"> : <a href="Node.html">Node</a></span> </h3>
					<div class="description">
						<p>The node whose context should be modified.</p>
					</div>
				</div>
				<div class="member">
					<h3 class="name" id="value" translate="no">.<a href="#value">value</a><span class="type-signature"> : Object</span> </h3>
					<div class="description">
						<p>The modified context data.</p>
						<p>Default is <code>{}</code>.</p>
					</div>
				</div>
				<h2 class="subsection-title">Methods</h2>
					<h3 class="name name-method" id="getFlowContextData" translate="no">.<a href="#getFlowContextData">getFlowContextData</a><span class="signature">()</span><span class="type-signature"> : Object</span> </h3>
					<div class="method">
						<div class="description">
							<p>Gathers the context data from all parent context nodes.</p>
						</div>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The gathered context data.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getMemberType" translate="no">.<a href="#getMemberType">getMemberType</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span>, name : <span class="param-type">string</span> )</span><span class="type-signature"> : string</span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is overwritten to ensure it returns the member type of <a href="ContextNode.html#node">ContextNode#node</a>.</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>
								<tr>
									<td class="name">
										<strong>name</strong>
									</td>
									<td class="description last">
										<p>The member name.</p>
									</td>
								</tr>
							</tbody>
						</table>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#getMemberType">Node#getMemberType</a></dt>
						</dl>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The member type.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getNodeType" translate="no">.<a href="#getNodeType">getNodeType</a><span class="signature">( builder : <span class="param-type"><a href="NodeBuilder.html">NodeBuilder</a></span> )</span><span class="type-signature"> : string</span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is overwritten to ensure it returns the type of <a href="ContextNode.html#node">ContextNode#node</a>.</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="Node.html#getNodeType">Node#getNodeType</a></dt>
						</dl>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> The node type.</dt>
						</dl>
					</div>
					<h3 class="name name-method" id="getScope" translate="no">.<a href="#getScope">getScope</a><span class="signature">()</span><span class="type-signature"> : <a href="Node.html">Node</a></span> </h3>
					<div class="method">
						<div class="description">
							<p>This method is overwritten to ensure it returns the reference to <a href="ContextNode.html#node">ContextNode#node</a>.</p>
						</div>
						<dl class="details">
							<dt class="tag-overrides"><strong>Overrides:</strong> <a href="Node.html#getScope">Node#getScope</a></dt>
						</dl>
						<dl class="details">
							<dt class="tag-returns"><strong>Returns:</strong> A reference to <a href="ContextNode.html#node">ContextNode#node</a>.</dt>
						</dl>
					</div>
				<h2 class="subsection-title">Source</h2>
				<p>
					<a href="https://github.com/mrdoob/three.js/blob/master/src/nodes/core/ContextNode.js" translate="no" target="_blank" rel="noopener">src/nodes/core/ContextNode.js</a>
				</p>
			</article>
		</section>
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