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Question by Wilomomo · Dec 12, 2019 at 02:48 PM · shadermeshscript.

How get Mesh height after shader deformation ?

Hi everybody,

I'm using shader graph to make an ocean. My shader modify vertices height to make waves. alt text

Now I wanna create floating object wich react to waves. I don't want to use a collider on my ocean for performance. But I need to get height of my mesh at some points...

Do you know how can I get it from my shader or from a script ? Does existing a sort of ray casting for non-collider object ? Thank you for all =)

ocean.png (190.4 kB)
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Answer by vampir26 · Aug 06, 2020 at 03:47 PM

You can't "get" the height. You need to mirror the "wave generation" function from your shader in a c# script and create a function to recalculate the wave parallel at your desired position to get the height.

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