public void update (Graphics g) {
		
		//timed, refreshes every interval
		if (TIMER % sleep == 0 && value == LAND &&
				!(targeter == null && (lifeform instanceof Egg 
				|| lifeform instanceof Fish || lifeform instanceof Player))) {
			if (targeter instanceof Player && lifeform instanceof Fish)
				score++;
			lifeform = targeter;
			if (lifeform != null) {
				lifeform.x += lifeform.chosenDir [0];
				lifeform.y += lifeform.chosenDir [1];
			}
			targeter = null;
		}
		show (g);
	}