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yuvald

rhw value

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I couldnt find any explanantion about the rhw value in CUSTOMVERTEX struct. if anyone can explain it to me example: struct CUSTOMVERTEX { FLOAT x , y, z, rhw; DWORD color; }

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In DX9:

the reciprocal homogeneous W (RHW) lets Direct3D know that the vertex is transformed.

Consult your SDK. Despite its problems, the DirectX Team spent a ton of time on this masterpiece of documentation and most answers can be found therein

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