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FPS.H

Go to the documentation of this file.

/*
  In a method that gets called once per frame put:
  double fps = FPS::update_fps();
*/

#ifndef FPS_H
#define FPS_H

// Gluebase includes
#define OUTSIDE_GLUE_CORE
#include <std/time.H>

class FPS 
{
 public:

  static double fps() {
    return _fps;
  }

  static double update_fps() {
    _fcount++;

    if (_fcount >= _numFrames) { 
      double now = the_time();
      _fps = _numFrames / (now - _lastTick);
      _lastTick = the_time();
      _fcount = 0;
    }
    return _fps;
  }
  
  
 protected:

  static double _lastTick;
  static double _fps;
  static int    _fcount;
  static int    _numFrames;

};

#endif

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