public Walls(int mapWeight, int mapHeight)
{
wallList = new List<Figure>();
HorizontalLine gorLineTop = new HorizontalLine(0, mapWeight -2, 0, '+');
HorizontalLine gorLineBottom = new HorizontalLine(0, mapWeight, mapHeight -1, '+');
VerticalLine verLineLeft = new VerticalLine(0, 0, mapHeight - 1, '+');
VerticalLine verLineRight = new VerticalLine(mapWeight - 2,0, mapHeight - 1, '+');
wallList.Add(gorLineTop);
wallList.Add(gorLineBottom);
wallList.Add(verLineLeft);
wallList.Add(verLineRight);
}