波浪的大小将影响焦散的形态。
方向灯时很好的产生漂亮和柔和的阴影和焦散的灯光。
The directional light was a good choice to generate nice, smooth shadows and caustics.
如你所见，因为玻璃中存在较小的弯曲，因此能够呈现出水面焦散的效果。
As you can see there is some minor curvatures in the glass that results in a water lookalike caustic.
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