D3DXQuaternionLengthSq

Returns the square of the length of a quaternion.

D3DXQuaternionLengthSq( _ 
    Q As D3DQUATERNION) As Single 

Parameters

Q

The source D3DQUATERNION type.

Return Values

The quaternion'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.

For information on trapping errors, see the Microsoft® Visual Basic® Error Handling topic.

See Also

D3DXQuaternionLength