Underwater Reef...Will I Ever Finish?

[silex (Jakub Jaszewski)]

This one?

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

This tutorial implements mesh-based caustics described by Evan Wallace using Geometry Nodes. [causticimage] It creates the caustics purely with geometry, and therefore requires no rendering. It also allows chromatic dispersion and other effects in real-time: [Fake Caustics with Geometry Nodes! Blender 3.1 Tutorial (Eeevee)]

@Punker3D I wanted to make a simple example with GN for you, but Blender is crashing on startup for me right now, so will be back.