private void attractDust() {
		for (int i = 0; i < dustList.length; i++) {

			// Filtered Dusts are not affected by attraction
			if (dustList[i].getFiltered())
				continue;

			for (int j = 0; j < magnetList.size(); j++) {
				Magnet magnet = (Magnet) magnetList.get(j);
				dustList[i].moveToward(magnet, 10.0);
			}
		}
	}