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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<base href="../../../" />
<script src="list.js"></script>
<script src="page.js"></script>
<link type="text/css" rel="stylesheet" href="page.css" />
</head>
<body>
[page:Object3D] →
<h1>[name]</h1>
<p class="desc">This displays a cone shaped helper object for a [page:SpotLight].</p>
<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]( [param:SpotLight light], [param:Hex color] )</h3>
<p>
[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.
</p>
<h2>Properties</h2>
<p>See the base [page:Object3D] class for common properties.</p>
<h3>[property:LineSegments cone]</h3>
<p>[page:LineSegments] used to visualize the light.</p>
<h3>[property:SpotLight light]</h3>
<p>Reference to the [page:SpotLight] being visualized.</p>
<h3>[property:object matrix]</h3>
<p>Reference to the spotLight's [page:Object3D.matrixWorld matrixWorld].</p>
<h3>[property:object matrixAutoUpdate]</h3>
<p>
See [page:Object3D.matrixAutoUpdate]. Set to *false* here as the helper is using the
spotLight's [page:Object3D.matrixWorld matrixWorld].
</p>
<h3>[property:hex color]</h3>
<p>
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.
</p>
<h2>Methods</h2>
<p>See the base [page:Object3D] class for common methods.</p>
<h3>[method:null dispose]()</h3>
<p>Disposes of the light helper.</p>
<h3>[method:null update]()</h3>
<p>Updates the light helper.</p>
<h2>Source</h2>
<p>
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
</p>
</body>
</html>
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