javascript
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three.js
镜像来自 https://github.com/tazdij/three.js.git


			
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		[page:Mesh] &rarr;

		<h1>[name]</h1>

		<div class="desc">
			Creates a simulated lens flare that tracks a light.<br /><br />

			Note: [page:WebGLRenderer.alpha] must be set to *true* for LensFlare to work.
		</div>

		<h2>Example</h2>

		<div>
			[example:webgl_lensflares lensflares]

			<code>
var light = new THREE.PointLight( 0xffffff, 1.5, 2000 );

var textureLoader = new THREE.TextureLoader();

var textureFlare0 = textureLoader.load( "textures/lensflare/lensflare0.png" );
var textureFlare1 = textureLoader.load( "textures/lensflare/lensflare2.png" );
var textureFlare2 = textureLoader.load( "textures/lensflare/lensflare3.png" );

var lensFlareGroup = new THREE.LensFlareGroup();

var lensFlare0 = new THREE.LensFlare( textureFlare0, 512, 0, THREE.AdditiveBlending );
var lensFlare1 = new THREE.LensFlare( textureFlare1, 512, 0, THREE.AdditiveBlending );
var lensFlare2 = new THREE.LensFlare( textureFlare2, 60, 0.6, THREE.AdditiveBlending );

lensFlareGroup.add( lensFlare0 );
lensFlareGroup.add( lensFlare1 );
lensFlareGroup.add( lensFlare2 );

lensFlareGroup.position.copy( light.position );

scene.add( lensFlareGroup );
			</code>

		</div>

		<h2>Constructor</h2>


		<h3>[name]( [page:Texture texture], [page:Float size], [page:Float distance], [page:Materials blending], [page:Color color], [page:Float opacity] )</h3>
		<div>
		[page:Texture texture] - THREE.Texture to use for the flare. <br />
		[page:Float size] - (optional) size in pixels <br />
		[page:Float distance] - (optional) (0-1) from light source (0 = at light source) <br />
		[page:Materials blending] - (optional) [page:Materials Blending Mode] - Defaults to THREE.NormalBlending <br />
		[page:Color color] - (optional) the [page:Color] of the lens flare<br /><br />
		[page:Float opacity] - (optional) the opacity of the lens flare<br /><br />

		</div>

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

		<h3>[property:Boolean isLensFlare]</h3>
		<div>
			Used to check whether this or derived classes are lens flares. Default is *true*.<br /><br />

			You should not change this, as it used internally for optimisation.
		</div>


		<h2>Source</h2>

		[link:https://github.com/mrdoob/three.js/blob/master/examples/js/objects/LensFlare.js examples/js/objects/LensFlare.js]
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