Since I'm rendering the lights after the scene is rendered, I need a way to cull lighting calculations if there is an object, such as a tree, obstructing the area being lit.
因为我渲染灯光在场景渲染，我需要一种方法来剔除照明计算如果有一个物体，如一棵树，阻碍地区被点燃。
Since I'm rendering the lights after the scene is rendered, I need a way to cull lighting calculations if there is an object, such as a tree, obstructing the area being lit.
因为我渲染灯光在场景渲染，我需要一种方法来剔除照明计算如果有一个物体，如一棵树，阻碍地区被点燃。
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