public void PutNewChess(GameObject prefab)
{
Vector2Int pos = FindNearestEmptyPosition((xMax + xMin) / 2, (yMax + yMin) / 2, FindPositionType.OUT_BOARD);
GameObject newChessObj = Instantiate <GameObject> (prefab);
newChessObj.transform.parent = GameObject.Find("Chesses").transform;
ChessController chess = newChessObj.GetComponent <ChessController> ();
chess.state = MyUtil.CommonUtil.ChessState.READY;
chess.x = pos.x;
chess.y = pos.y;
chess.state = ChessState.MANAGE;
chess.team = ownerTeam;
chess.enemyTeam = enemyTeam;
newChessObj.SetActive(true);
chess.BoardReady(this);
chesses.Add(chess);
}
