public static int SqrDistance( BoardLocation a, BoardLocation b )
{
int xdiff = ( a.location.x * Constants.BoardCellDiameter + a.offset.x - b.location.x * Constants.BoardCellDiameter - b.offset.x );
int ydiff = ( a.location.y * Constants.BoardCellDiameter + a.offset.y - b.location.y * Constants.BoardCellDiameter - b.offset.y );
return xdiff * xdiff + ydiff * ydiff;
}
public static int OrthogonalDistance( BoardLocation a, BoardLocation b )
{
int xdiff = Math.Abs( a.location.x * Constants.BoardCellDiameter + a.offset.x - b.location.x * Constants.BoardCellDiameter - b.offset.x );
int ydiff = Math.Abs( a.location.y * Constants.BoardCellDiameter + a.offset.y - b.location.y * Constants.BoardCellDiameter - b.offset.y );
return xdiff + ydiff;
}