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D3DXVec2TransformNormalArray function (D3DX10Math.h) - Transforms an array (x, y, 0, 0) by a given matrix. |
a53f998a-f2a5-4e4b-bc1c-c1f46284d78b |
D3DXVec2TransformNormalArray function (D3DX10Math.h) |
reference |
05/31/2018 |
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Note
The D3DX10 utility library is deprecated. We recommend that you use DirectXMath instead.
Transforms an array (x, y, 0, 0) by a given matrix.
D3DXVECTOR2* D3DXVec2TransformNormalArray(
_Inout_ D3DXVECTOR2 *pOut,
_In_ UINT OutStride,
_In_ const D3DXVECTOR2 *pV,
_In_ UINT VStride,
_In_ const D3DXMATRIX *pM,
_In_ UINT n
);-
pOut [in, out]
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Type: D3DXVECTOR2*
Pointer to the D3DXVECTOR2 that is the result of the operation.
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OutStride [in]
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Type: UINT
Stride between vectors in the output data stream.
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pV [in]
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Type: const D3DXVECTOR2*
Pointer to the source D3DXVECTOR2 array.
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VStride [in]
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Type: UINT
Stride between vectors in the input data stream.
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pM [in]
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Type: const D3DXMATRIX*
Pointer to the source D3DXMATRIX structure.
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n [in]
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Type: UINT
Number of elements in the array.
Type: D3DXVECTOR2*
Pointer to a D3DXVECTOR2 structure that is the transformed array.
This function transforms the vector (pV->x, pV->y, 0, 0) by the matrix pointed to by pM.
If you want to transform a normal, the matrix you pass to this function should be the transpose of the inverse of the matrix you would use to transform a point.
The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXVec2TransformNormalArray function can be used as a parameter for another function.
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