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struct CUSTOMVERTEX
{
D3DXVECTOR3 position; // vertex position
D3DXVECTOR3 normal; // vertex normal
};
What is the vertex normal?
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Quick Direct3D Question
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Which was the face is.. looking..
Edited by - Mark_C on December 11, 2001 10:44:12 PM
Edited by - Mark_C on December 11, 2001 10:44:12 PM
its a unit vector used to calculate lighting and such
It would be the direction of a line that is drawn perpendicular to the polygon (meeting at a 90 degrees angle).
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