import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
public class Vaiad1 extends Applet implements ActionListener, Runnable{
   double maapind=250;
   double vaiay=150;
   double haamriy=100;
   double haamrikorgus=20;
   double haamrilaius=20;
   double haamrisamm=0;
   double kraananooly=50;
   double loomisx=150;
   double kraanax=100;
   double noolepikkus=100;
   Button nupp=new Button("Löö");
   boolean veel=true;
   int seisund=-1; //-1 ootel, 0-kukub, 1-kukub koos vaiaga
   public Vaiad1(){
      add(nupp);
      new Thread(this).start();
      nupp.addActionListener(this);
   }
   public void paint(Graphics g){
      g.drawLine((int)kraanax, (int)maapind, (int)kraanax, (int)kraananooly);
      g.drawLine((int)kraanax, (int)kraananooly, (int)(kraanax+noolepikkus), (int)kraananooly);
      g.drawLine((int)(loomisx+haamrilaius/2), (int)kraananooly, 
                   (int)(loomisx+haamrilaius/2), (int)haamriy);
      g.fillRect((int)loomisx, (int)haamriy, 
                    (int)haamrilaius, (int)haamrikorgus);
      g.drawRect((int)loomisx, (int)vaiay, 
                      (int)haamrilaius, (int)(maapind-vaiay));
   }
    
   void liigu(){
      if(seisund==0 && haamriy+haamrikorgus<vaiay){
         haamriy=haamriy+haamrisamm;
         haamrisamm+=0.1;
         if(haamriy+haamrikorgus>=vaiay){seisund=1;}
         if(haamriy>maapind){veel=false;}
      } else if(seisund==1){
           haamriy=haamriy+5;
           vaiay=haamriy+haamrikorgus;
           seisund=2;        
           haamrisamm=-1;
      } else if(seisund==2){
           if(haamriy>100){haamriy+=haamrisamm;}
           else{
              seisund=0;
           }
      }
   }
   
   public void run(){
      while(veel){
         liigu();
         repaint();
         try{Thread.sleep(100);} catch(Exception ex){}
      }
   }
   public void actionPerformed(ActionEvent e){
      seisund=0;
      haamriy=100;
      haamrisamm=0;
   }
   public static void main(String[] arg){
      Frame f=new Frame();
      f.add(new Vaiad1());
      f.setSize(300, 300);
      f.setVisible(true);
   }
}