现在，我们将尝试为焦散模拟出一些好看的棱镜效果。
Now, we will try to simulate some nice prism affects for the 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.
焦散是一种真实的灯光效果，你可以在液体，玻璃和宝石周围看到。
Caustics are really great light effects that you can observe in liquids, glass objects and gems.
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