Horloge analogique

public class AnalogTimer extends JFrame {
    public int hour;
    public int min;
    public int sec;
    ClockDial cd;

    public AnalogTimer() {
        setSize(510, 530);
        setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        cd = new ClockDial(this);
        getContentPane().add(cd);
        Date curr = new Date();
        String time = curr.toString();
        hour = Integer.parseInt(time.substring(11, 13));
        min = Integer.parseInt(time.substring(14, 16));
        sec = Integer.parseInt(time.substring(17, 19));
        ClockEngine.setPriority(ClockEngine.getPriority() + 3);
        ClockEngine.start();
    }

    public static void main(String args[]) {
        new AnalogTimer().setVisible(true);
    }

    Thread ClockEngine = new Thread() {
        int newsec, newmin;

        public void run() {
            while (true) {
                newsec = (sec + 1) % 60;
                newmin = (min + (sec + 1) / 60) % 60;
                hour = (hour + (min + (sec + 1) / 60) / 60) % 12;
                sec = newsec;
                min = newmin;

                try {
                    Thread.sleep(1000);
                } catch (InterruptedException ex) {
                }

                cd.repaint();
            }
        }
    };
}


class ClockDial extends JPanel {

    AnalogTimer parent;

    public ClockDial(AnalogTimer pt) {
        setSize(520, 530);
        parent = pt;
    }

    @Override
    public void paintComponent(Graphics g) {
        g.setColor(Color.BLACK);
        g.fillRect(0, 0, getWidth(), getHeight());
        g.setColor(Color.WHITE);
        g.fillOval(5, 5, 480, 480);
        g.setColor(Color.BLACK);
        g.fillOval(10, 10, 470, 470);
        g.setColor(Color.WHITE);
        g.fillOval(237, 237, 15, 15);
        g.setFont(g.getFont().deriveFont(Font.BOLD, 32));

        for (int i = 1; i <= 12; i++)
            g.drawString(Integer.toString(i), 240 - (i / 12) * 11 + (int) (210 * Math.sin(i * Math.PI / 6)), 253 - (int) (210 * Math.cos(i * Math.PI / 6)));

        double minsecdeg = (double) Math.PI / 30;
        double hrdeg = (double) Math.PI / 6;
        int tx, ty;
        int xpoints[] = new int[3];
        int ypoints[] = new int[3];

        //secondes
        tx = 245 + (int) (210 * Math.sin(parent.sec * minsecdeg));
        ty = 245 - (int) (210 * Math.cos(parent.sec * minsecdeg));
        g.drawLine(245, 245, tx, ty);

        //minutes
        tx = 245 + (int) (190 * Math.sin(parent.min * minsecdeg));
        ty = 245 - (int) (190 * Math.cos(parent.min * minsecdeg));
        xpoints[0] = 245;
        xpoints[1] = tx + 2;
        xpoints[2] = tx - 2;
        ypoints[0] = 245;
        ypoints[1] = ty + 2;
        ypoints[2] = ty - 2;
        g.fillPolygon(xpoints, ypoints, 3);

        //heures
        tx = 245 + (int) (160 * Math.sin(parent.hour * hrdeg + parent.min * Math.PI / 360));
        ty = 245 - (int) (160 * Math.cos(parent.hour * hrdeg + parent.min * Math.PI / 360));
        xpoints[1] = tx + 4;
        xpoints[2] = tx - 4;
        ypoints[1] = ty - 4;
        ypoints[2] = ty + 4;
        g.fillPolygon(xpoints, ypoints, 3);
    }
}