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

public class Graafik3 extends Panel implements ActionListener{
  int nr=100;
  double algnurk=0;
  TextField tf=new TextField("10");
  public Graafik3(){
    add(tf);
    tf.addActionListener(this);
  }

  public void actionPerformed(ActionEvent e){
    nr=Integer.parseInt(tf.getText().trim());
    repaint();
  }
  
  public void paint(Graphics g){
   int arv=Integer.parseInt(tf.getText().trim());
    int nurkadearv=arv;
    int raadius=75;
    double nurk=algnurk;
	g.drawOval(70, 70, 150, 140);
    for(int i=0; i<nurkadearv; i++){
       nurk=2*Math.PI/nurkadearv*i+algnurk;       
       g.drawLine(
          (int)(raadius*Math.cos(nurk))+getWidth()/2,
          (int)(raadius*Math.sin(nurk))+getHeight()/2,             
          getWidth()/2, getHeight()/2
       );
    }
	 algnurk=algnurk+0.1;
  }

  public void run(){
    while(true){
      try{Thread.sleep(200);}catch(Exception e){}
      repaint();
    }
  }

  public static void main(String[] argumendid){
     Frame f=new Frame();
     f.add(new Graafik3());
     f.setSize(300, 300);
     f.setVisible(true);
  }
}