IDirect3DRMMeshBuilder::SetNormal
HRESULT SetNormal(DWORD index, D3DVALUE x, D3DVALUE y, D3DVALUE z);
Sets the normal vector of a specified vertex in a Direct3DRMMeshBuilder object.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
index
Index of the normal to be set.
x, y, and z
The x, y, and z components of the vector to assign to the specified normal.