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jad_salloum

Normal Mapping

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hi guys, i started working with HLSL and i noticed that i need normal map texture to pass it in my effect to get the good lighting results, my questions are : 1- how do i create these normal maps ?? 2- if i have an object with 5 textures do i need to have 5 normal maps or what ?? thanks alot for any help, Cheers,

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Quote:
Original post by MJP
As for your second question, you only one want one normal per surface. A surface can only have one normal, after all.


If the textures are different, also the normal map changes. Naturally this is not true if you want to use a default normal map for all your surfaces...

a PLANE has only one normal...but after all, normal maps are useful when you want to fake more normals where they aren't (like on a low-poly mesh).



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