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

public class jalgratas extends Applet implements ActionListener, Runnable{
  TextField kiiri=new TextField("");
  Button nupp=new Button("  Joonista  ");

  boolean veel=true;
  int samm = 0;
  int sammS = 0;
  int sammK = 0;
  int sammV = 0;
  double nurkS1 = 0;
  double nurkS2 = 0;
  double nurkK = 0;
  double nurkV = 0;
  int ooteaeg=300; //ms

  public jalgratas(){
    new Thread(this).start();
  }

  public void run(){
    while(veel){
      paint(this.getGraphics());
      try{
        Thread.sleep(ooteaeg);
      } catch(Exception e){e.printStackTrace();}
    }
  }

  public void init(){
//    add(kiiri);
//    add(nupp);
    nupp.addActionListener(this);
    kiiri.addActionListener(this);
  }
  public void paint(Graphics g){
    g.setColor(Color.gray);
    g.fillRect(0, 0, getSize().width, getSize().height);

    //int nr=Integer.parseInt(kiiri.getText().trim());
    int nr=30;
    int nrKeskmine = 20;
    int nrVaikene = 10;
//    g.setColor(Color.white);
//    g.fillRect(0, 0, getSize().width, getSize().height);
    int r = 100;
    int x = 0;
    int y = r;

    double nurgavahe = ( 2*Math.PI ) / nr;
    double nurk=0;
    if (samm == 0) {
	samm++;
    } else if (samm == 1){
	samm++;
	nurk = 2* (nurgavahe / 3);
    } else {
	nurk = nurgavahe / 3;
	samm = 0;
    }

    for (int k=0; k<=nr; k++){
        g.setColor(Color.black);
	g.drawLine(120, 240,120-x, 240+y);
	g.drawLine(120, 240,121-x, 241+y);
	g.drawLine(120, 240,119-x, 239+y);
	x = (int)Math.round(Math.sin(nurk)*r);
	y = (int)Math.round(Math.cos(nurk)*r);
        nurk = nurk+nurgavahe;
//       g.setColor(Color.black);
//       g.fillOval(35, 155, 170, 170);
    }
    g.setColor(Color.black);
    g.drawOval(29, 149, 182, 182);
    g.drawOval(30, 150, 180, 180);
    g.setColor(Color.yellow);
    g.fillOval(31, 151, 179, 179);

    // joon ratta sees
    
    int joonX = (int)Math.round(Math.sin(nurkS1)*r);
    int joonY = (int)Math.round(Math.cos(nurkS1)*r);
    nurkS1 = nurkS1-(nurgavahe / 3);
    g.setColor(Color.black);
    g.drawLine(120, 240,120-joonX, 240+joonY);

//  ULEKANDE SUUR RATAS
    int rs = 95;
    int xs = 0;
    int ys = rs;
    double nurgavahes = ( 2*Math.PI ) / nr;
    double nurks=0;
    if (sammS == 0) {
	sammS++;
    } else if (sammS == 1){
	sammS++;
	nurks = 2* (nurgavahes / 3);
    } else {
	nurks = nurgavahes / 3;
	sammS = 0;
    }
    for (int kk=0; kk<=nr; kk++){
        g.setColor(Color.black);
	g.drawLine(390, 240, 390-xs, 240+ys);
	g.drawLine(390, 240, 391-xs, 241+ys);
	g.drawLine(390, 240, 389-xs, 239+ys);
	xs = (int)Math.round(Math.sin(nurks)*rs);
	ys = (int)Math.round(Math.cos(nurks)*rs);
        nurks = nurks+nurgavahes;
//        g.setColor(Color.black);
//        g.fillOval(305, 155, 170, 170);
    }
    g.setColor(Color.black);
    g.drawOval(299, 149, 182, 182);
    g.drawOval(301, 151, 179, 179);
    g.setColor(Color.yellow);
    g.fillOval(301, 151, 179, 179);

    // joon ratta sees
    joonX = (int)Math.round(Math.sin(nurkS2)*rs);
    joonY = (int)Math.round(Math.cos(nurkS2)*rs);
    nurkS2 = nurkS2-(nurgavahes / 3);
    g.setColor(Color.black);
    g.drawLine(390, 240, 390-joonX, 240+joonY);
    
    g.drawLine(120, 150, 390, 150);
    g.drawLine(120, 330, 390, 330);

//  ULEKANDE KESKMINE RATAS
    int rk = 65;
    int xk = 0;
    int yk = rk;
    double nurgavahek = ( 2*Math.PI ) / nrKeskmine;
    double nurkk=0;

    if (sammK == 0) {
	sammK++;
    } else if (sammK == 1){
	sammK++;
	nurkk = 2* (nurgavahek / 3);
    } else {
	nurkk = nurgavahek / 3;
	sammK = 0;
    }

    for (int kkk=0; kkk<=nrKeskmine; kkk++){
        g.setColor(Color.black);
	g.drawLine(390, 240, 390-xk, 240+yk);
        g.drawLine(390, 240, 391-xk, 241+yk);
        g.drawLine(390, 240, 389-xk, 239+yk);
	xk = (int)Math.round(Math.sin(nurkk)*rk);
	yk = (int)Math.round(Math.cos(nurkk)*rk);
        nurkk = nurkk+nurgavahek;
//        g.setColor(Color.black);
//        g.fillOval(335, 185, 140, 140);
    }
    g.setColor(Color.black);
    g.drawOval(329, 179, 122, 122);
    g.drawOval(331, 181, 119, 119);
    g.setColor(Color.white);
    g.fillOval(330, 180, 120, 120);

    // joon ratta sees
    joonX = (int)Math.round(Math.sin(nurkK)*rk);
    joonY = (int)Math.round(Math.cos(nurkK)*rk);
    nurkK = nurkK-(nurgavahek / 3);
    g.setColor(Color.black);
    g.drawLine(390, 240, 390-joonX, 240+joonY);

    g.drawLine(120, 150, 390, 180);
    g.drawLine(120, 330, 390, 300);

//  ULEKANDE VAIKE RATAS
    int rv = 36;
    int xv = 0;
    int yv = rv;
    double nurgavahev = ( 2*Math.PI ) / nrVaikene;
    double nurkv=0;
    if (sammV == 0) {
	sammV++;
    } else if (sammV == 1){
	sammV++;
	nurkv = 2* (nurgavahev / 3);
    } else {
	nurkv = nurgavahev / 3;
	sammV = 0;
    }
    for (int kv=0; kv<=nrVaikene; kv++){
        g.setColor(Color.black);
	g.drawLine(390, 240, 390-xv, 240+yv);
	g.drawLine(390, 240, 391-xv, 241+yv);
	g.drawLine(390, 240, 389-xv, 239+yv);
	xv = (int)Math.round(Math.sin(nurkv)*rv);
	yv = (int)Math.round(Math.cos(nurkv)*rv);
        nurkv = nurkv+nurgavahev;
//        g.setColor(Color.black);
//        g.fillOval(365, 215, 50, 50);
    }
    g.setColor(Color.black);
    g.drawOval(359, 209, 62, 62);
    g.drawOval(361, 211, 59, 59);
    g.setColor(Color.yellow);
    g.fillOval(360, 210, 60, 60);

    // joon ratta sees
    joonX = (int)Math.round(Math.sin(nurkV)*rv);
    joonY = (int)Math.round(Math.cos(nurkV)*rv);
    nurkV = nurkV-(nurgavahev / 3);
    g.setColor(Color.black);
    g.drawLine(390, 240, 390-joonX, 240+joonY);
    g.setColor(Color.black);
    g.drawLine(120, 150, 390, 210);
    g.drawLine(120, 330, 390, 270);
  }

  public void actionPerformed(ActionEvent e){
  }

}