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Waterfall Masking Function

https://youtube.com/watch?v=nN16kDlD6_8

Hey all, I wanted to share a brief write-up I did for a waterfall material I recently made, which involves getting per-pixel volumetric intersection data using a 2D render target and sampling it in a river material to build a kind of canopy mask effect.

https://twitter.com/i/moments/1188786594129408000

Cheers!