long lastTime = System.nanoTime();
	    long timer =  System.currentTimeMillis();
	    final double ns = 1000000000.0 / ups;
	    double delta = 0;
	    int frames = 0;
	    int updates = 0;

	    running = true;

	    while(running){
	      long now = System.nanoTime();
	      delta += (now-lastTime) / ns;
	      lastTime = now;
	      while (delta >= 1){
	        update();
	        updates++;
	        delta--;
	      }

	      frames++;

	      if (System.currentTimeMillis() - timer > 1000){
	        timer += 1000;
	        frame.setTitle(  " | " + updates + " ups, " + frames + " fps");
	        updates = 0;
	        frames = 0;
	      }
	    }