/*
 * 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 _VECTOR_H
#define _VECTOR_H

#include "object.H"
#include <iostream.h>
#include "matrix.H"

class CVertex;

class CVector : public CObject {
  double m_vector[4];
public:
  CVector();
  CVector(const CVector & vector);
  CVector(double x,double y,double z);
  CVector(double x,double y,double z,double d);
  CVector(const CVertex & vertex);
  double getX() const;
  double getY() const;
  double getZ() const;

  CVector cross( const CVector & vector );

  CVector& operator+=( const CVector & vector );
  CVector operator+( const CVector & vector ) const;
  CVector operator*( double scale ) const;
  CVector operator-( const CVector & vector ) const;

  void transform(const CMatrix & transformation);

  friend CVector operator*(const CMatrix & m1, const CVector & v1);

};

CVector operator*(const CMatrix & m1, const CVector & m2);

ostream& operator<<(ostream&s,const CVector& v);


#endif // _VECTOR_H