javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
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		[page:Object3D] &rarr;

		<h1>[name]</h1>

		<div class="desc">This displays a cone shaped helper object for a [page:SpotLight].</div>

		<h2>Example</h2>
		<iframe src='../examples/webgl_lights_spotlight.html'></iframe>
		<a target="THREE_Examples" href="../examples/#webgl_lights_spotlight">View in Examples</a><br />
		<h2>Other Examples</h2>

		<div>[example:webgl_lights_spotlights lights / spotlights ]</div>

		<h2>Code Example</h2>
		<code>
		var spotLight = new THREE.SpotLight( 0xffffff );
		spotLight.position.set( 10, 10, 10 );
		scene.add( spotLight );

		var spotLightHelper = new THREE.SpotLightHelper( spotLight );
		scene.add( spotLightHelper );
		</code>


		<h2>Constructor</h2>


		<h3>[name]( [page:SpotLight light], [page:Hex color] )</h3>
		<div>
			[page:SpotLight light] -- The [page:SpotLight] to be visualized. <br /><br/>
			
			[page:Hex color] -- (optional) if this is not the set the helper will take the color of the light. 
		</div>


		<h2>Properties</h2>
		<div>See the base [page:Object3D] class for common properties.</div>

		<h3>[property:LineSegments cone]</h3>
		<div>[page:LineSegments] used to visualize the light.</div>

		<h3>[property:SpotLight light]</h3>
		<div>Reference to the [page:SpotLight] being visualized.</div>

		<h3>[property:object matrix]</h3>
		<div>Reference to the spotLight's [page:Object3D.matrixWorld matrixWorld].</div>

		<h3>[property:object matrixAutoUpdate]</h3>
		<div>
			See [page:Object3D.matrixAutoUpdate]. Set to *false* here as the helper is using the
			spotLight's [page:Object3D.matrixWorld matrixWorld].
		</div>

		<h3>[property:hex color]</h3>
		<div>
					 The color parameter passed in the constructor. Default is *undefined*. If this is changed, the helper's color will update
					the next time [page:.update update] is called.
		</div>

		<h2>Methods</h2>
		<div>See the base [page:Object3D] class for common methods.</div>

		<h3>[method:null dispose]()</h3>
		<div>Disposes of the light helper.</div>

		<h3>[method:null update]()</h3>
		<div>Updates the light helper.</div>

		<h2>Source</h2>

		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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