D3DXQuaternionRotationMatrix
Microsoft DirectX 9.0 SDK Update (October 2004)

D3DXQuaternionRotationMatrix Function


Builds a quaternion from a rotation matrix.

Syntax

D3DXQUATERNION *WINAPI D3DXQuaternionRotationMatrix(      

    D3DXQUATERNION *pOut,     CONST D3DXMATRIX *pM );

Parameters

pOut
[in, out] Pointer to the D3DXQUATERNION structure that is the result of the operation.
pM
[in] Pointer to the source D3DXMATRIX structure.

Return Value

Pointer to the D3DXQUATERNION structure built from a rotation matrix.



Remarks

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXQuaternionRotationMatrix function can be used as a parameter for another function.

Function Information

Headerd3dx9math.h
Import libraryd3dx9.lib
Minimum operating systems Windows 98

See Also

D3DXQuaternionRotationAxis, D3DXQuaternionRotationYawPitchRoll


© 2004 Microsoft Corporation. All rights reserved.
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