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hello everyone
I created a pool inside house, after that, i tred to use VRay to create reflective caustics on the wall, not refractive caustics underwater, but it seems not work , even i enabled GI caustics reflective option, and increased photons numbers, it still not work. But if i switched to mental ray renderer, i can create reflective caustics easily, and i found most articles about VRay caustics seems nothing to do with reflective caustics(all most around refractive caustics). Can VRay create reflective caustics ?? please help me, thanks .
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i finally figure out by myself.
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