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D3DXPlaneIntersectLine function

Finds the intersection between a plane and a line.

Syntax


D3DXVECTOR3* D3DXPlaneIntersectLine(
  _Inout_  D3DXVECTOR3 *pOut,
  _In_     const D3DXPLANE *pP,
  _In_     const D3DXVECTOR3 *pV1,
  _In_     const D3DXVECTOR3 *pV2
);

Parameters

pOut [in, out]

Type: D3DXVECTOR3*

Pointer to a D3DXVECTOR3 structure, identifying the intersection between the specified plane and line.

pP [in]

Type: const D3DXPLANE*

Pointer to the source D3DXPLANE structure.

pV1 [in]

Type: const D3DXVECTOR3*

Pointer to a source D3DXVECTOR3 structure, defining a line starting point.

pV2 [in]

Type: const D3DXVECTOR3*

Pointer to a source D3DXVECTOR3 structure, defining a line ending point.

Return value

Type: D3DXVECTOR3*

Pointer to a D3DXVECTOR3 structure that is the intersection between the specified plane and line.

Remarks

If the line is parallel to the plane, NULL is returned.

The return value for this function is the same value returned in the pOut parameter. In this way, the D3DXPlaneIntersectLine function can be used as a parameter for another function.

Requirements

Header

D3dx9math.h

Library

D3dx9.lib

 

 

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