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#ifndef _VOLUME3D_HXX
#define _VOLUME3D_HXX

#ifndef _B3D_VOLUM_HXX
#include <bf_goodies/b3dvolum.hxx>
#endif
namespace binfilter {
class Matrix4D;

//************************************************************
//   Vorausdeklarationen
//************************************************************

class Polygon3D;
class XPolygon;
class XPolyPolygon;
class Vol3DPointIterator;

/*************************************************************************
|*
|* dreidimensionales Volumen, symmetrisch zu den Koordinatenachsen
|*
\************************************************************************/

class Volume3D : public B3dVolume
{
public:
	Volume3D(const Vector3D& rPos, const Vector3D& r3DSize, BOOL bPosIsCenter = TRUE);
	Volume3D();

	// Zuweisungsoperator, um B3dVolumes an Volume3D zuweisen zu koennen
	void operator=(const B3dVolume& rVol)
	{
		aMinVec = rVol.MinVec();
		aMaxVec = rVol.MaxVec();
	}
	Volume3D	GetTransformVolume(const Matrix4D& rTfMatrix) const;
};

/*************************************************************************
|*
|* Iterator, der die Eckpunkte eines Volumens berechnet; wenn eine Matrix
|* uebergeben wird, werden die Punkte damit transformiert
|*
\************************************************************************/

class Vol3DPointIterator
{
protected:
	const Volume3D&				rVolume;
	const Matrix4D*				pTransform;
	Vector3D					a3DExtent;
	UINT16						nIndex;

public:
	Vol3DPointIterator(const Volume3D& rVol, const Matrix4D* pTf = NULL);

	BOOL Next(Vector3D& rVec);
	void Reset() { nIndex = 0; }
};

}//end of namespace binfilter
#endif			// _VOLUME3D_HXX
