1.4 -粗糙度

材质节点示例关卡概述,示例1.4: 粗糙度。

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1_4_Roughness.png

粗糙度(Roughness)输入控制材质表面的粗糙或平滑程度。与平滑的材质相比,粗糙的材质将向更多方向散射所反射的光线。 这决定了反射的模糊或清晰度(或者镜面反射高光的广度或密集度)。 粗糙度 0(平滑)是镜面反射,而粗糙度 1(粗糙)是漫射(或无光)表面。

粗糙度是一个属性,它将频繁地在对象上进行贴图,以便向表面添加大部分物理变化。

RoughBias_12.png

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