Microsoft DirectX 8.1 (Visual Basic)

D3DXVec3LengthSq

Returns the square of the length of a 3-D vector.

D3DXVec3LengthSq( _ 
    v As D3DVECTOR) As Single 

Parameters

v
The source D3DVECTOR 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

D3DXVec3Length