3dmath.h

VC++ DEMO, used for the beginners and the amour

#ifdef CGE_HEADER_H
#ifndef CGE_3DMATH_H
#define CGE_3DMATH_H

namespace CGE
{
	namespace MATHIN3D
	{	
		D3DXVECTOR3 NearestPointOnLine(const D3DXVECTOR3 &va, const D3DXVECTOR3 &vb, const D3DXVECTOR3 &vp);
	
		D3DXVECTOR3 NearestPointOnTriangle(const D3DXVECTOR3 &va, const D3DXVECTOR3 &vb, const D3DXVECTOR3 &vc, const D3DXVECTOR3 &vp);
	
		FLOAT PlaneIntersectRay(const D3DXVECTOR3 &vOriginPos, const D3DXVECTOR3 &vNormal, const D3DXVECTOR3 &vOriginRay, const D3DXVECTOR3 &vVectorRay);
	
		FLOAT SphereIntersectRay(const D3DXVECTOR3 &vOrigin_s, FLOAT fRadius, const D3DXVECTOR3 &vOrigin_r, const D3DXVECTOR3 &vVector_r);
	
		BOOL IsPointInTriangle(const D3DXVECTOR3 &va, const D3DXVECTOR3 &vb, const D3DXVECTOR3 &vc, const D3DXVECTOR3 &vp);
	
		BOOL IsPolygonInBox(const D3DXVECTOR3 &va, const D3DXVECTOR3 &vb, const D3DXVECTOR3 &vc, const D3DXVECTOR3 &vCenter, FLOAT xSize, FLOAT ySize, FLOAT zSize);
	
		VOID Scale3DVector(D3DXVECTOR3 & v,FLOAT xScale,FLOAT yScale,FLOAT zScale);
	}
}

#endif
#endif