// Genera una ficha del jugador 2
 void SpawnPlayer2Piece(int x, int y, string pieceName, int pieceNumber)
 {
     matrixAttributes = playerPrefab2[pieceNumber].GetComponent<MatrixAttributes>();
     matrixAttributes.x = x;
     matrixAttributes.y = y;
     spawningPosition = GameObject.Find(pieceName).transform.position;
     Instantiate(playerPrefab2[pieceNumber], spawningPosition, playerPrefab2[pieceNumber].transform.rotation);
 }
 // Genera la pelota
 private void SpawnBall()
 {
     matrixAttributes = ballPrefab.GetComponent<MatrixAttributes>();
     matrixAttributes.x = 7;
     matrixAttributes.y = 5;
     spawningPosition = GameObject.Find("75").transform.position;
     Instantiate(ballPrefab, spawningPosition, ballPrefab.transform.rotation);
 }