Fake caustics/refraction using Geometry Nodes - Blender 3.1 Tutorial (Eevee)

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This tutorial implements mesh-based caustics described by Evan Wallace using Geometry Nodes.

causticimage
causticimage1849×1894 835 KB

It creates the caustics purely with geometry, and therefore requires no rendering.
It also allows chromatic dispersion and other effects in real-time:

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It’s pretty awesome what people come up with using geometry nodes!
Really fun tutorial and very nicely paced. :slight_smile:

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@jackmcveigh

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I featured you on BlenderNation, have a great weekend!