public void StartGame()
 {
     ball = Instantiate <GameObject>(BallPrefab, new Vector3(-5.5f, 1f, 0f), Quaternion.identity) as GameObject;
     ballDeplacementScript = ball.GetComponent <BallDeplacementScript>();
     if (typeIA == 1)
     {
         ballDeplacementScript.estIA = true;
     }
 }
 void Start()
 {
     textWinner.gameObject.SetActive(false);
     StartGame();
     StartCoroutine(Timer());
     ballDeplacementScript = ball.GetComponent <BallDeplacementScript>();
     if (typeIA == 1)
     {
         ballDeplacementScript.estIA = true;
     }
     else if (typeIA == 2)
     {
         ballDeplacementScript.estJoueur = true;
     }
     source = GetComponent <AudioSource>();
 }