moTempo.h

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/*******************************************************************************

                                moTempo.h

  ****************************************************************************
  *                                                                          *
  *   This source 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.                                    *
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  *   This code 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.                               *
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  *   A copy of the GNU General Public License is available on the World     *
  *   Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also       *
  *   obtain it by writing to the Free Software Foundation,                  *
  *   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.         *
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  ****************************************************************************

  Copyright(C) 2006 Fabricio Costa

  Authors:
  Fabricio Costa
  Andres Colubri

*******************************************************************************/

#include "moTimer.h"

#ifndef __MO_TEMPO_H
#define __MO_TEMPO_H


class LIBMOLDEO_API moTempo : public moTimer {

public:
    moTempo();
    moTempo( const moTempo &src);

    virtual ~moTempo();
    moTempo &operator = (const moTempo &src);

    virtual long Duration();

private:
    moTempo* m_pFromTempo;

public:
    MOulong ticks;      //getticks() milisegundos del clock

    MOulong ticks_0;    //primer beat

    MOulong ticks_1;    //segundo beat

    MOdouble delta;
    MOdouble deltaprevious;

  MOdouble dt;

    MOdouble factor;

    MOdouble syncro;

    MOdouble ang;  //angulo en radianes entre 0 y 2*pi

    MOulong beat_0,beat_1, beatpulsecount;

    MOboolean Init();

    MOboolean Init(MOdouble sync);

    MOdouble getPrincipalAngle();


    MOdouble getTempo();

    void BeatPulse(MOulong tik);

    moTempo* getFromTempo();

    void SetFromTempo( moTempo *pfromtempo );

    void getInterpolatedTempo( MOfloat inter_value );
};

#endif