5.4 - 软源半径

概述光照示例关卡,示例5.4:高光度比例

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ContentExamples_Lighting_5_4.png

此示例显示了 软源半径(Soft Source Radius) 对光反射的影响。软源半径(Soft Source Radius)位于 细节(Details) 面板的"光源(Light)"类别下。

ContentExamples_Lighting_SoftSourceRadius.png

软源半径(Soft Source Radius)是一种模糊淡出您认为过于鲜明的高亮部分的方式。通常,使用材质本身的粗糙度值或纹理是个不错的主意,这样做就无需在光源上设置软光源半径(Soft Source Radius),但后者对于偶尔的杂散光非常有用,因为杂散的高亮部分过于鲜明。还必须注意,将该值设置为大于1的值会使光源在物理上不正确。

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