public void SimplifyMove(Board board)
{
if (_from == Hex.InvalidHex)
{
return;
}
Hex neighborHex = Hex.DirectionHex(_from, _to) + _from;
if (board.Cells[neighborHex].Piece.NumPieces == 0)
{
_from = Hex.InvalidHex;
_to = neighborHex;
}
}
/// <summary>
/// This will get the "best" direction hex to apply to go from one hex coord to the other.
/// To ensure axis alignment first, use Hex.AxisAligned()
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <returns>A position enum value for the best direction between the two hexes</returns>
public static Position GetDirection(Hex from, Hex to)
{
// sanity check
if (from == Hex.InvalidHex || to == Hex.InvalidHex)
{
return(Position.center);
}
Hex direction = Hex.DirectionHex(from, to);
for (int i = 0; i < neighborDirections.Length; i++)
{
if (neighborDirections[i] == direction)
{
return((Position)i);
}
}
// invalid direction. I think it will never get here due to integer division rounding down to zero
return(Position.center);
}