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

 

public class Pliiats extends Applet 

             implements ActionListener{

  int nr=3;

  

 
  Button start=new Button("    K      ä      i      v      i      t      a      !    ");
  
  
  public Pliiats(){

    

    
    add(start);
    
    
    start.addActionListener(this);
       
  }



  public void actionPerformed(ActionEvent e){
  Graphics g=getGraphics();

nr=1;
  
if(e.getSource()==start){


int loendur=0;



int a=125;
int b=125;
int c=200;
int d=200;
int dd=200;
int f=500;
int ff=200;

int h=200;
int i=200;
int j=200;
int k=500;
int l=500;
int m=500;
int n=500;




for(loendur = 0; loendur<149; loendur = loendur+1){

a=a+3*nr;
b=b+3*nr;
c=c+2*nr;
d=d+2*nr;
dd=dd+2*nr;
f=f-2*nr;
ff=ff+2*nr;

h=h+2*nr;
i=i+2*nr;
j=j+2*nr;
k=k-2*nr;
l=l-2*nr;
m=m-2*nr;
n=n-2*nr;

g.setColor(Color.blue);
   
    g.drawLine(a, 350, h, 300);

    g.drawLine(b, 350, i, 400);
    g.drawLine(c, 300, j, 400);
    
    g.drawLine(d, 300, k, 300);
    g.drawLine(dd, 400, l, 400);

    g.drawLine(f, 300, m, 400);

    g.drawLine(ff, 350, n, 350);

 


try{Thread.sleep(20);}catch(Exception ex){}
  g.setColor(getBackground());
g.drawLine(a, 350, h, 300);

    g.drawLine(b, 350, i, 400);
    g.drawLine(c, 300, j, 400);
    
    g.drawLine(d, 300, k, 300);
    g.drawLine(dd, 400, l, 400);

    g.drawLine(f, 300, m, 400);

    g.drawLine(ff, 350, n, 350);  
}

for(loendur = 0; loendur<149; loendur = loendur+1){

a=a-3*nr;
b=b-3*nr;
c=c-2*nr;
d=d-2*nr;
dd=dd-2*nr;
f=f+2*nr;
ff=ff-2*nr;

h=h-2*nr;
i=i-2*nr;
j=j-2*nr;
k=k+2*nr;
l=l+2*nr;
m=m+2*nr;
n=n+2*nr;

g.setColor(Color.blue);
   
    g.drawLine(a, 350, h, 300);

    g.drawLine(b, 350, i, 400);
    g.drawLine(c, 300, j, 400);
    
    g.drawLine(d, 300, k, 300);
    g.drawLine(dd, 400, l, 400);

    g.drawLine(f, 300, m, 400);

    g.drawLine(ff, 350, n, 350);

 


try{Thread.sleep(20);}catch(Exception ex){}
  g.setColor(getBackground());
g.drawLine(a, 350, h, 300);

    g.drawLine(b, 350, i, 400);
    g.drawLine(c, 300, j, 400);
    
    g.drawLine(d, 300, k, 300);
    g.drawLine(dd, 400, l, 400);

    g.drawLine(f, 300, m, 400);

    g.drawLine(ff, 350, n, 350);  
}
}






}


  public static void main(String argumendid[]){

    Frame f=new Frame("2D pliiats tegemas tiiru 2D ruumis ");

    f.add(new Pliiats());


    f.setSize(700, 750);

    f.setVisible(true);
	
f.addWindowListener(new WindowAdapter(){
        public void windowClosing(WindowEvent e){
          System.exit(0);
        
	
	}
      });
  }

}