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edited Dec 16, 2022 at 18:32

DMGregory ♦

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Unity: Water shader vertex offset - how How to add mesh collider which updates with water wave vertex offset?

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asked Aug 4, 2018 at 12:40

Ben Hayward

Unity: Water shader vertex offset - how to add mesh collider which updates with vertex offset?

I have written a shader (in the new LWRP shader graph) which simulates an ocean with vertices which offset to create a moving "waves" effect.

I believe that in order to have objects "float" on my moving waves, I shall need to create a mesh collider which is a trigger (please correct me if I'm wrong) which updates with the moving vertices of the mesh as per direction from the shader.

How is such an effect possible? Am I taking the correct approach here? Please advise :)

Many thanks in advance!!

(the original model for the water is a plane which has been subdivided multiple times to provide suitable resolution for the vertices to be offset)

unity collision-detection physics shaders water