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.X file Normal Mapping

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I know that a mesh requires 2 sets of texture coordinates for bump mapping or normal mapping to work, but a .X file only has 1 set. Would it be possible to export a .X file from 3ds max with 2 sets of texture coordinates or manually go through the .X file and add a second set of texture coordinates? Or would it be a better idea to write a small program that just runs through a .X file and creates an FVF? -Chris

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Quote:
Original post by bengaltgrs
I know that a mesh requires 2 sets of texture coordinates for bump mapping or normal mapping to work, but a .X file only has 1 set. Would it be possible to export a .X file from 3ds max with 2 sets of texture coordinates or manually go through the .X file and add a second set of texture coordinates? Or would it be a better idea to write a small program that just runs through a .X file and creates an FVF?

-Chris


The Max .X file exporter included in recent DirectX SDK updates exports normals, tangents and binormals information if they are present in Max (which calculates them for you in Max7).

Alternatively, you can use the D3DXComputeTangentFrame* functions to compute the necessary coordinate frames.

Hope this helps,

Paul Bleisch

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