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selection.hxx

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//  $Id: selection.hxx,v 1.4 2003/01/07 21:34:50 grumbel Exp $
// 
//  Construo - A wire-frame construction gamee
//  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
//
//  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 HEADER_CONSTRUO_SELECTION_HXX
#define HEADER_CONSTRUO_SELECTION_HXX

#include <vector>
#include "vector2d.hxx"

class Particle;
class World;

class Selection
{
private:
  typedef std::vector<Particle*> SelectionLst;
  SelectionLst selection;

  World* world;

public:
  Selection ();

  Vector2d get_center ();

  void select_particles (Vector2d p1, Vector2d p2);

  void scale (float factor);

  void flip();

  void set_velocity (const Vector2d vel);

  void duplicate ();

  void clear ();
  
  bool empty() const;

  void validate();

  void rotate(float rot_angle, Vector2d rotate_center);

  SelectionLst::size_type size() { return selection.size(); }
  SelectionLst::iterator begin() { return selection.begin(); };
  SelectionLst::iterator end()   { return selection.end(); };

  typedef SelectionLst::iterator iterator;
private:
  Selection (const Selection&);
  Selection& operator= (const Selection&);
};

#endif

/* EOF */

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