indirect illumination

Global illumination is based on indirect illumination. It does not only need to calculate the direct source, but also need to concern about all the light-react contributions from the other objects.

全局光照属于间接光照，它不仅包括直接光源的计算，也同样关注场景中其他物体对所绘制物体的光照贡献。

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However, this indirect illumination will not have as much of an effect as the skylight.

然而, 这种间接光照的效果并不像天光那样明显.

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By turning on the Details mode, the Ambient Occlusion only darkens the indirect illumination in problem-areas, avoiding the traditional global and unpleasant Ambient Occlusion look.

通过打开细节模式，Ambient Occlusion只会对有问题的区域进行间接照明，避开传统的全局照明和看起来不合要求的Ambient Occlusion。

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