public void render(Screen screen) {
		for (int x = 0; x < 20; x++) {
			for (int y = 0; y < 15; y++) {
				int dd = (y + x % 2 * 2 + x / 3) - time;
				if (dd < 0 && dd > -30) {
				//	if (dir > 0)
				//		screen.render(x * 8, y * 8, 0, 0, 0);
				//	else
					//	screen.render(x * 8, screen.h - y * 8 - 8, 0, 0, 0);
				}
			}
		}
	}