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samgzman

Fake Caustics- suggestions???

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I am trying to write a procedural texture generator that creates a caustic-like texture. I dont want to calculate real caustics, but rather a generic texture that represents them such as the one provided in realtime. The goal is to have it animated. Any suggestions on methods or techniques to accomplish this would be greatly appreciated.

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I think Perlin noise would work pretty well. You can try to exclude everything outside a specific range (for ex. if your noise in the [0-1] range, set white to parts in [0.5-0.6] and black everywhere else), then smooth everything. I''m guessing this should look like your image, with the advantage that Perlin noise can easily be animated.

Y.

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