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normalmapping

Started by genesys 1 reply 400+ views
Original Post
genesys
genesys
What mathematic operation must I perform with my vertex meshnormals and my tangential normalmap to get the final normals? normals*tangential_normalmap seems to be wrong :) Thx!
SimmerD
SimmerD
You just use the fetch from the tangent space normal map as is the per-pixel normal.

The regular vertex normal ends up being the Z axis of your TBN matrix.
genesys
genesys
Thanks!

And how do I do that?

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