Microsoft DirectX 8.0 (Visual Basic)

D3DXVec4LengthSq

Returns the square of the length of a 4-D vector.

D3DXVec4LengthSq( _ 
    v As D3DVECTOR4) As Single 

Parameters

v
A source D3DVECTOR4 type.

Return Values

The vector's squared length.

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.

See Also

D3DXVec4Length