import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.applet.Applet;
public class Liikumine2 extends Applet implements ActionListener{
   double x=150; 
   double y=80;
   double d=15;
   double rx=50, ry=80, rlaius=200, rkorgus=180;
   double v=2.5;
   double rv=1;
   static final long serialVersionUID=1;
   BufferedImage puhver=new BufferedImage(300, 300, BufferedImage.TYPE_INT_RGB);
   Graphics2D puhverg=(Graphics2D)puhver.getGraphics(); 
   Timer t=new Timer(500, this);
   public Liikumine2(){
      t.start();
   }
   public void paint(Graphics g){
      super.paint(g);
      puhverg.setColor(Color.yellow);
      puhverg.fillRect(0, 0, 300, 300);
      puhverg.setColor(Color.black);
      puhverg.drawRect((int)x, (int)y, (int)d, (int)d);
      puhverg.drawRect((int)rx, (int)ry, (int)rlaius, (int)rkorgus);
      g.drawImage(puhver, 0, 0, this);
   }

   public void update(Graphics g){paint(g);}

   public void liigu(){
     x=x+v;
     rx=rx+rv;
     if(x+d>rx+rlaius){v=-Math.abs(v);}
     if(x<rx){v=Math.abs(v);}
     if(rx+rlaius>getWidth()){rv=-Math.abs(rv);}
     if(rx<1){rv=Math.abs(rv);}
      repaint();
   }
   public void actionPerformed(ActionEvent e){
     if(e.getSource()==t){
      liigu();
     }
   }
   
   public static void main(String[] arg){
     Frame f=new Frame("Liikumine");
     f.add(new Liikumine2());
     f.setSize(300, 300);
     f.setVisible(true);
   }
}