1.1 - 点光源(1.1 - Point Light)

光照示例关卡概述,示例1.1:点光源(Point Light)

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1.1 - 点光源(1.1 - Point Light)

本示例关卡展示了一个 点光源,点光源是UE4中提供的最基本的光源类型。点光源以球体为作用范围从单独的一个点向各个方向散发光线。要理解这句话的含义,最简单的方法是查看光源的半径,它在你选中光源时可见。

LightRadius_PointLight.png

在上图中,你可以看到光源周围围绕着淡蓝色的线框球体。它显示了光源的半径,在半径范围之外,光源不会对环境产生影响。以该球体的半径范围为界限,光线将开始衰减,越靠近光源Actor所在位置,光线越亮。

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