public BlackHole() { Container window = getContentPane(); window.setLayout(new BorderLayout()); panel = new JPanel(null); label = new JLabel("Planet Health: " + healthStr, JLabel.CENTER); label.setBounds(0, 500, 1000, 50); panel.add(label); window.add(panel, BorderLayout.CENTER); addKeyListener(this); addMouseListener(this); setSize(1000, 600); setFocusable(true); setTitle("Black Hole"); setVisible(true); player = new Player(); player.xc = centerx; player.yc = centery; player.t = -Math.PI / 2; player.r = 950; player.convert(); ball = new Ball[10]; ballCount++; ball[1] = new Ball(); ball[1].r = centery; ball[1].t = -Math.PI / 2; ball[1].xc = centerx; ball[1].yc = centery; timer = new Timer(20, this); timer.start(); repaint(); }