internal static void AddObstacle()
{
int middle = FieldData.GameFieldHeight / 2;
int bottom = FieldData.GameFieldHeight - 2;
int lastColumn = FieldData.GameFieldWidth - 2;
int x = RandomNumber.InRange(1, lastColumn);
int y = RandomNumber.InRange(middle, bottom);
Field.Cells[y][x] = obstacle;
}
