private void initComponents()
{
borderPane = new BorderPane();
Insets margin = new Insets(5, 5, 5, 5);
posSouth = new JoinButton("Joueur 1", 0, this);
posWest = new JoinButton("Joueur 2", 1, this);
posNorth = new JoinButton("Joueur 3", 2, this);
posEast = new JoinButton("Joueur 4", 3, this);
buttons.add(posSouth);
buttons.add(posWest);
buttons.add(posNorth);
buttons.add(posEast);