Microsoft DirectX 8.1 (Visual Basic)

D3DXPlaneNormalize

Returns the normal of a plane.

D3DXPlaneNormalize( _ 
    POut As D3DPLANE, _ 
    P As D3DPLANE)

Parameters

POut
D3DPLANE type that is the result of the operation, the normal of the plane.
P
The source D3DPLANE type.

Error Codes

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.

Remarks

D3DXPlaneNormalize normalizes a plane so that |a,b,c| == 1.