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< h1 > WebGL渲染器常量（ ） < / h1 >
< h2 > 面剔除模式< / h2 >
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THREE.CullFaceNone
THREE.CullFaceBack
THREE.CullFaceFront
THREE.CullFaceFrontBack
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[page:constant CullFaceNone] 禁用面剔除。< br / >
[page:constant CullFaceBack] 为默认值，剔除背面。< br / >
[page:constant CullFaceFront] 剔除正面。< br / >
[page:constant CullFaceFrontBack] 剔除正面和背面。
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< h2 > 阴影类型< / h2 >
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THREE.BasicShadowMap
THREE.PCFShadowMap
THREE.PCFSoftShadowMap
THREE.VSMShadowMap
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这些常量定义了WebGLRenderer中[page:WebGLRenderer.shadowMap.type shadowMap.type]的属性。< br / > < br / >
[page:constant BasicShadowMap] 能够给出没有经过过滤的阴影映射 —— 速度最快，但质量最差。< br / >
[page:constant PCFShadowMap] 为默认值， < br / >
[page:constant PCFSoftShadowMap] 和PCFShadowMap一样使用 Percentage-Closer Filtering (PCF) 算法过滤阴影映射，但在使用低分辨率阴影图时具有更好的软阴影。< br / >
[page:constant VSMShadowMap] 使用Variance Shadow Map (VSM)算法来过滤阴影映射。当使用VSMShadowMap时，
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< h2 > 色调映射< / h2 >
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THREE.NoToneMapping
THREE.LinearToneMapping
THREE.ReinhardToneMapping
THREE.CineonToneMapping
THREE.ACESFilmicToneMapping
THREE.AgXToneMapping
THREE.NeutralToneMapping
THREE.CustomToneMapping
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< p >
这些常量定义了WebGLRenderer中[page:WebGLRenderer.toneMapping toneMapping]的属性。
这个属性用于在普通计算机显示器或者移动设备屏幕等低动态范围介质上， （ ） < br / > < br / >
请查看示例：[example:webgl_tonemapping WebGL / tonemapping]。
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THREE.NeutralToneMapping is an implementation based on the Khronos 3D Commerce Group standard tone mapping.
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< h2 > 源代码< / h2 >
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[link:https://github.com/mrdoob/three.js/blob/master/src/constants.js src/constants.js]
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