public void reset() {
		for (int x = 0; x < baseX; x++) {
			for (int y = 0; y < baseY; y++) {
				if (x == 0 || y == 0 || x == baseX - 1 || y == baseY - 1) {
					collisionFlags[x][y] = 0xffffff;
				} else {
					collisionFlags[x][y] = 0x1000000;
				}
			}
		}
	}