public void OnShow(ChessController chess, ArrayList posCanMove)
{
ClearDotOnBoard();
foreach (int pos in posCanMove)
{
XY point = (XY)XYValues[pos];
Transform newDot = Instantiate(dot, new Vector3(point.mXWorld, point.mYWorld, -1), Quaternion.identity);
DotController controller = newDot.GetComponent <DotController>();
controller.SetIndex(pos);
controller.SetOnMoveClickListener(this);
mDots.Add(newDot);
}
mCurrentChess = chess;
}