Tracker.h

/*	Quantum Minigolf, a computer game illustrating quantum mechanics
	Copyright (C) 2007 Friedemann Reinhard <friedemann.reinhard@gmail.com>

	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
*/


// Tracker -- an abstract base class defining the neccessary functionality
// for a tracker class which can simulate a club and kick the quantum ball.
// It is extended by SoftwareTracker and WebcamTracker for the software-only
// and the virtual reality version of QMG respectively.

#pragma once

#include "Renderer.h"
#include <SDL.h>
#include <math.h>

class Tracker
{
public:
  Tracker (int w, int h, int ix, int iy, int rball, float rvmax,
	   Renderer * renderer);

  virtual void Init () = 0;
  virtual void GetHit (float *v, float *phi) = 0;
  virtual void AnimateHit (Uint32 duration, float v, float phi) = 0;
  void setRenderer (Renderer * renderer)
  {
    this->renderer = renderer;
  }

protected:
    virtual ~ Tracker (void);
  int ix, iy, rball, w, h;
  float vmax;

  Renderer *renderer;
};