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D3DXVec3TransformCoord function

Transforms a 3D vector by a given matrix, projecting the result back into w = 1.

Syntax


D3DXVECTOR3* D3DXVec3TransformCoord(
  _Inout_  D3DXVECTOR3 *pOut,
  _In_     const D3DXVECTOR3 *pV,
  _In_     const D3DXMATRIX *pM
);

Parameters

pOut [in, out]

Type: D3DXVECTOR3*

Pointer to the D3DXVECTOR3 that is the result of the operation.

pV [in]

Type: const D3DXVECTOR3*

Pointer to the source D3DXVECTOR3 structure.

pM [in]

Type: const D3DXMATRIX*

Pointer to the source D3DXMATRIX structure.

Return value

Type: D3DXVECTOR3*

Pointer to a D3DXVECTOR3 structure that is the transformed vector.

Remarks

This function transforms the vector, pV (x, y, z, 1), by the matrix, pM, projecting the result back into w=1.

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXVec3TransformCoord function can be used as a parameter for another function.

Requirements

Header

D3DX10Math.h

See also

Math Functions

 

 

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