@Override
	public void update(int delta) {
		totalUp += delta;
		setAlpha(delta);
		if (totalUp >= 1000){
			minutes += 1;
			totalUp = 0;
			if (minutes >= 60 ){
				minutes = 0;
				hours += 1;
				if (hours == 24){
					hours = 0;
				}
			}
		}
	}