private WorldsContainerJPanel worldsContainer;
private CommandJPanel commandJPanel;
private List<GUIWorldController> controllers = new ArrayList<GUIWorldController>();
public GUIController(int nWorlds) {
mainJFrame = new MainJFrame();
worldsContainer = new WorldsContainerJPanel();
worldsContainer.addPropertyChangeListener(this);
commandJPanel = new CommandJPanel();
commandJPanel.addPropertyChangeListener(this);