/// <summary>
/// Set btn OKPlayer when it is clicked.
/// </summary>
public void OkPlayer()
{
obj.playerOK();
btnOkPlayer.SetActive(false);
playerNext.SetActive(false);
inputPlayer.SetActive(true);
btnOkInputPlayer.SetActive(true);
listUser[idOfPlayer].player.id = ObjectControl.numPlayer;
listUser[idOfPlayer].player.avatarID = ObjectControl.numPlayer;
}