public bool IsHit(Walls walls)
{
int x = GetNextPoint().x;
int y = GetNextPoint().y;
int w = walls.GetWidth();
int h = walls.GetHeight();
if (x == 0 || x == w)
{
return(true);
}
if (y == 0 || y == h)
{
return(true);
}
return(false);
}
