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


			
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		<h1>[name]</h1>

		<div class="desc">Materials describe the appearance of [page:Object objects]. They are defined in a (mostly) renderer-independent way, so you don't have to rewrite materials if you decide to use a different renderer.</div>


		<h2>Constructor</h2>

		<h3>[name]( [page:Object parameters] )</h3>


		<h2>Properties</h2>

		<h3>.[page:Integer id]</h3>
		<div>
		Unique number of this material instance.
		</div>

		<h3>.[page:String name]</h3>
		<div>
		Material name. Default is an empty string.
		</div>

		<h3>.[page:Number opacity]</h3>
		<div>
		Opacity. Default is *1*.
		</div>

		<h3>.[page:Boolean transparent]</h3>
		<div>
		Defines whether this material is transparent. This has an effect on rendering, as transparent objects need an special treatment, and are rendered after the opaque (i.e. non transparent) objects. For a working example of this behaviour, check the [page:WebGLRenderer WebGLRenderer] code.
		</div>
		<div>Default is *false*.</div>

		<h3>.[page:Blending blending]</h3>
		<div>
		Which blending to use when displaying objects with this material. Default is [page:NormalBlending].
		</div>

		<h3>.[page:Integer blendSrc]</h3>
		<div>
		Blending source. It's one of the blending mode constants defined in [page:Three Three.js]. Default is *SrcAlphaFactor*.
		</div>

		<h3>.[page:Integer blendDst]</h3>
		<div>
		Blending destination. It's one of the blending mode constants defined in [page:Three Three.js]. Default is *OneMinusSrcAlphaFactor*.
		</div>

		<h3>.[page:Integer blendEquation]</h3>
		<div>
		Blending equation to use when applying blending. It's one of the constants defined in [page:Three Three.js]. Default is *AddEquation*.
		</div>

		<h3>.[page:Boolean depthTest]</h3>
		<div>
		Whether to have depth test enabled when rendering this material. Default is *true*.
		</div>

		<h3>.[page:Boolean depthWrite]</h3>
		<div>
		Whether rendering this material has any effect on the depth buffer. Default is *true*.
		</div>
		<div>
		When drawing 2D overlays it can be useful to disable the depth writing in order to layer several things together without creating z-index artifacts.
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		<h3>.[page:Boolean polygonOffset]</h3>
		<div>
		Whether to use polygon offset. Default is *false*. This corresponds to the *POLYGON_OFFSET_FILL* WebGL feature.
		</div>

		<h3>.[page:Integer polygonOffsetFactor]</h3>
		<div>
		Sets the polygon offset factor. Default is *0*.
		</div>

		<h3>.[page:Integer polygonOffsetUnits]</h3>
		<div>
		Sets the polygon offset units. Default is *0*.
		</div>

		<h3>.[page:Number alphaTest]</h3>
		<div>
		Sets the alpha value to be used when running an alpha test. Default is *0*.
		</div>

		<h3>.[page:Boolean overdraw]</h3>
		<div>
		Enables/disables overdraw. If enabled, polygons are drawn slightly bigger in order to fix antialiasing gaps when using the [page:CanvasRenderer]. Default is *false*.
		</div>

		<h3>.[page:Boolean visible]</h3>
		<div>
		Defines whether this material is visible. Default is *true*.
		</div>

		<h3>.[page:Enum side]</h3>
		<div>
		Defines which of the face sides will be rendered - front, back or both.
		</div>
		<div>
		Default is *THREE.FrontSide*. Other options are *THREE.BackSide* and *THREE.DoubleSide*.
		</div>

		<h3>.[page:Boolean needsUpdate]</h3>
		<div>
		Specifies that the material needs to be updated, WebGL wise. Set it to true if you made changes that need to be reflected in WebGL.
		</div>
		<div>
		This property is automatically set to *true* when instancing a new material.
		</div>

		<h2>Methods</h2>
		
		<h2>Source</h2>

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