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godot-extended-libraries / godot-realistic-water

Godot - Realistic Water Shader

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This shader can't tile when using tiled water plane

slapin opened this issue · comments

commented

This shader can't tile when using tiled water plane. When tiled water plane is used, normal map values
are wrong for adjacent tiles which produces visible seams. Commenting out normalmap setting removes seams
but makes shader dull. Any ideas how to fix this?

commented

Easy fix was adding vertex_position.xz as additional uv offset in normalmap samplers!

commented

Hi @slapin ,
Can you explain a bit more?
Maybe you can show the updated line?

I am not very good at shaders yet and converting vertex_position to varying (to be able to read it in fragment) and adding it to the uv_ofset value just makes the normal map more dense.