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#ifndef _B2D_POINT3D_HXX
#define _B2D_POINT3D_HXX

#ifndef _STREAM_HXX
#include <tools/stream.hxx>
#endif

#ifndef _SV_GEN_HXX
#include <tools/gen.hxx>
#endif

#ifndef _VECTOR2D_HXX
#include <tools/vector2d.hxx>
#endif

/*************************************************************************
|*
|* homogener 3D-Punkt (x,y,w)
|*
\************************************************************************/

namespace binfilter {
class Point3D
{
protected:
	// 3 Dimensinen, X,Y und W
	double						V[3];

public:
	Point3D(double fX = 0.0, double fY = 0.0, double fW = 1.0)
		{ V[0] = fX; V[1] = fY; V[2] = fW; }

	const double& X() const { return V[0]; }
	const double& Y() const { return V[1]; }
	const double& W() const { return V[2]; }

	double& X() { return V[0]; }
	double& Y() { return V[1]; }
	double& W() { return V[2]; }

	const double& operator[] (int nPos) const { return V[nPos]; }
	double& operator[] (int nPos) { return V[nPos]; }

	// Rechnen untereinander
	Point3D&	operator+=	(const Point3D&);
	Point3D&	operator-=	(const Point3D&);
	Point3D		operator+ 	(const Point3D&) const;
	Point3D		operator-	(const Point3D&) const;
	Point3D		operator-	(void) const;
	Point3D&	operator*=	(const Point3D&);
	Point3D&	operator/=	(const Point3D&);
	Point3D		operator* 	(const Point3D&) const;
	Point3D		operator/	(const Point3D&) const;

	// Verschiebung um einen Vektor
	Point3D&	operator+=	(const Vector2D&);
	Point3D&	operator-=	(const Vector2D&);
	Point3D		operator+ 	(const Vector2D&) const;
	Point3D		operator-	(const Vector2D&) const;

	// Multiplikation, Division um einen Faktor
	Point3D&	operator*=	(double);
	Point3D		operator*	(double) const;
	Point3D&	operator/=	(double);
	Point3D		operator/	(double) const;

	BOOL		operator==	(const Point3D&) const;
	BOOL		operator!=	(const Point3D&) const;

	friend SvStream& operator>>(SvStream& rIStream, Point3D&);
	friend SvStream& operator<<(SvStream& rOStream, const Point3D&);
};
}//end of namespace binfilter


#endif          // _B2D_POINT3D_HXX
