Platform SDK: DirectX |
The D3DXQuaternionIsIdentity function determines if the given quaternion is an identity quaternion.
BOOL D3DXQuaternionIsIdentity( const D3DXQUATERNION* pQ );
If the given quaternion is an identity quaternion, this function returns TRUE; otherwise, this function returns FALSE.
Windows NT/2000: Requires Windows 2000.
Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
Version: Requires DirectX 7.0.
Header: Declared in d3dxmath.h.
Library: Use d3dx.lib.