import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;

public class Pall2 extends Applet implements MouseListener{
   public Pall2(){
     addMouseListener(this);
   }

public void mousePressed(MouseEvent me){
     double kiirendus;
     Graphics g;
     int x=me.getX();
     int y=me.getY();
     int algy=y;
     int i=0;
     g=this.getGraphics();
     kiirendus=0;
     while(algy<getSize().height-20)
     {
     	i=i+1;
     	for(;y<getSize().height-20; y=(int)(y+kiirendus), kiirendus=kiirendus+0.2)
     	{
     		g.setColor(Color.red);
     		g.fillOval(x,y,20,20);
     		try{
     			Thread.sleep(40);
     		}catch(Exception e){}
     		g.setColor(Color.white);
     		g.fillOval(x,y,20,20);
     	}
     	algy=(int)(getSize().height-((getSize().height-algy)/2))-10;
     	if(algy<getSize().height)
     	{
			{
     			for(;y>algy; y=(int)(y-kiirendus), kiirendus=kiirendus-0.4)
     			{
     				g.setColor(Color.red);
     				g.fillOval(x,y,20,20);
     				try{
     					Thread.sleep(40);
     				}catch(Exception e){}
     				g.setColor(Color.white);
     				g.fillOval(x,y,20,20);
     			}
     		}
     	}
 	}
}

   public void mouseReleased(MouseEvent e){}
   public void mouseEntered(MouseEvent e){}
   public void mouseExited(MouseEvent e){}
   public void mouseClicked(MouseEvent e){}

   public static void main(String argumendid[]){
     Frame f=new Frame();
     f.add(new Pall2());
     f.setSize(300, 300);
     f.setVisible(true);
   }
}