import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
public class Kukkumine extends Applet 
              implements MouseListener, Runnable{
  int x=100;
  double y=100;
  int alaServ=300;
  int r=5;
  double samm=1;
  double sammuMuutus=0.1;
  public Kukkumine(){
    addMouseListener(this);
    new Thread(this).start();
  }
  public void paint(Graphics g){
      g.drawOval(x-r, (int)y-r, 2*r, 2*r);
  }
  public void run(){
     while(true){
       try{Thread.sleep(100);} catch(Exception viga){}
       if(y<alaServ){
          y=y+samm;
          samm+=sammuMuutus;
       }         
       repaint();
     }
  }
  public void mousePressed(MouseEvent e){
    x=e.getX();
    y=e.getY();
    samm=1;
    sammuMuutus=0.1;
  }
  public void mouseReleased(MouseEvent e){}
  public void mouseClicked(MouseEvent e){}
  public void mouseEntered(MouseEvent e){}
  public void mouseExited(MouseEvent e){}

  public static void main(String[] argumendid){
    Frame f=new Frame();
    f.add(new Kukkumine());
    f.setSize(200, 200);
    f.setVisible(true);
  }
}