private boolean withinBoardGameRange(int x1, int y1, int x2, int y2)
	{
		return (x1 >= 0 && x1 <= width - 1 && y1 >= 0 || y1 <= height - 1 && x2 >= 0 && x2 <= width - 1 && y2 >= 0 || y2 <= height - 1);
	}