public static void update(int delta) {
		beatCount++;

		if (beatCount % 4 == 0)
			getNextPrimary(ColorType.PLAYER);
		if (beatCount % 4 == 0) {
			getRandomPrimary(ColorType.WALL);

			if (colorRandom.nextInt(3) == 0)
				setColor(ColorType.SLOW_WALL, getColor(ColorType.PLAYER));
			else
				setColor(ColorType.SLOW_WALL, getColor(ColorType.WALL));
		}
	}