Microsoft DirectX 8.1 (Visual Basic) |
Returns the normal of a plane.
D3DXPlaneNormalize( _ POut As D3DPLANE, _ P As D3DPLANE)
If the function fails, an error is raised and Err.Number can be set to one of the following values.
D3DERR_INVALIDCALL |
D3DERR_OUTOFVIDEOMEMORY |
For information on trapping errors, see the Microsoft® Visual Basic® Error Handling topic.
D3DXPlaneNormalize normalizes a plane so that |a,b,c| == 1.