D3DXQuaternionLengthSq Function

Returns the square of the length of a quaternion.

Syntax

FLOAT D3DXQuaternionLengthSq(      

    CONST D3DXQUATERNION *pQ
);

Parameters

pQ
[in] Pointer to the source D3DXQUATERNION structure.

Return Value

The quaternion's squared length.

Function Information

Header d3dx9math.h
Import library d3dx9.lib
Minimum operating systems Windows 98