public Cell Normalize()
{
int nx = 0, ny = 0;
if (X > 0)
{
nx = 1;
}
if (X < 0)
{
nx = -1;
}
if (Y > 0)
{
ny = 1;
}
if (Y < 0)
{
ny = -1;
}
return(CellManager.Get(nx, ny));
}
public static Cell operator *(int a, Cell cell)
{
return(CellManager.Get(cell.X * a, cell.Y * a));
}
public static Cell operator -(Cell first)
{
return(CellManager.Get(-first.X, -first.Y));
}
public static Cell operator -(Cell first, Cell second)
{
return(CellManager.Get(first.X - second.X, first.Y - second.Y));
}