import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class AnimateListener implements ActionListener {

  double frac;
  final static double step = 0.0625;
  Timer t1;

  AnimateListener() {
    frac = 0;
    int delay = 100; // 100 milli-seconds
    t1 = new Timer(delay, this);
  }

  public void actionPerformed(ActionEvent e) {
    if(frac == 0) { t1.start(); }
    Ex6.numClicks += step;
    frac += step;
    Ex6.msg.setText("Number of clicks is " + Ex6.numClicks);
    Ex6.drawPanel.repaint();
    if(frac >= 1) { t1.stop(); frac = 0; }
  }

} // End AnimateListener