/*
 * PVVMUD a 3D MUD
 * Copyright (C) 1998-1999  Programvareverkstedet (pvv@pvv.org)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#ifndef _PLANE_H
#define _PLANE_H

#include "object.H"
#include <iostream.h>
#include "vector.H"
#include "vertex.H"

class CPlane : public CObject {
  double m_a,m_b,m_c,m_d;
public:
  CPlane();
  CPlane(const CVector & point,const CVector & normal);
  CPlane(const CVertex & point,const CVector & normal);
  CPlane(const CVertex & v1,const CVertex & v2,const CVertex & v3);

  double getA() const;
  double getB() const;
  double getC() const;
  double getD() const;

  double distance(const CVector & position);

};

ostream& operator<<(ostream&s,const CPlane& p);


#endif // _PLANE_H