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#ifndef goto_h
#define goto_h
// goto.h
// nono - programme du robot 2004. {{{
//
// Copyright (C) 2004 Nicolas Schodet
//
// Robot APB Team/Efrei 2004.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// 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.
//
// }}}
#include "tracker.h"

/// Classe abstraite d'un fournisseur de point pour MovementGoto.
class Goto
{
  public:
    /// Destructeur.
    virtual ~Goto (void) { }
    /// Fournit la distance au point final (mm) et renvois false si le Goto
    /// est fini.
    /// eps: distance (mm) en dessous de laquelle on consid�re que la
    /// destination est atteinte.
    virtual bool getDistance (const Tracker &t, double &dist, double eps) = 0;
    /// Fournit le point le plus loin � moins de dist (mm).
    virtual void getPoint (const Tracker &t, double &dx, double &dy,
			   double dist) = 0;
};

#endif // goto_h