src/FPS.cxx


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namespace PluggIt {

class FPS
{
     private int  frames;
     private char str[20];

     private Clock clock;


     public FPS() {
          Reset();
     }

     public void Reset() {
          frames = 0;
          str[0] = 0;

          clock.Reset();
     }

     public void Count( float interval ) {
          float time = clock.GetTime();

          frames++;

          if (time >= interval) {
               float fps = frames / time;

               snprintf( str, sizeof(str), "%.1f", fps );

               frames = 0;
               clock.Reset();
          }
     }

     public const char *GetFPS() {
          return str;
     }
};

}