import java.awt.*;
public class Liigu4 extends Frame implements Runnable{
  double nurk=0;
  double raadius=50;
  double samm=0.05;
  int ooteaeg=10; //ms
  boolean veel=true;
  Image pilt, taust;

  public Liigu4(){
    super("Ringike");
    setSize(300, 300);
    setVisible(true);
    new Thread(this).start();
  }

  public void run(){
    while(veel){
      joonista();
      try{
        Thread.sleep(ooteaeg);
      } catch(Exception e){e.printStackTrace();}
    }
  }
  public void paint(Graphics g){
    int laius=getSize().width;
    int korgus=getSize().height;
    taust=createImage(laius, korgus);
    pilt=createImage(laius, korgus);
    raadius=Math.min(laius, korgus)/3;
    joonistaTaust();
    g.drawImage(taust, 0, 0, this);
  }
  public void update(Graphics g){paint(g);}

  public void joonista(){
   if((pilt!=null)&(taust!=null)){
    Graphics g=pilt.getGraphics();
    int keskx=getSize().width/2;
    int kesky=getSize().height/2;
    g.drawImage(taust, 0, 0, this);
    joonistaKujund(
      g,
      keskx+(int)(raadius*Math.cos(nurk))-5,
      kesky+(int)(raadius*Math.sin(nurk))-5
    );
    this.getGraphics().drawImage(pilt, 0, 0, this);
    nurk=nurk+samm;
    if(nurk>2*Math.PI)nurk-=2*Math.PI;
   }
  }
  void joonistaKujund(Graphics g, int x, int y){
    g.setColor(Color.white);
    g.fillOval(x-10, y-10, 20, 20);
    g.setColor(Color.black);
    g.fillOval(x-6, y-6, 4, 4);
    g.fillOval(x+2, y-6, 4, 4);
    g.drawLine(x, y-1, x, y+3);
    g.drawArc(x-5, y-5, 10, 10, 0, -180);
  }
  void joonistaTaust(){
    Graphics g=taust.getGraphics();
    for(int i=0; i<getSize().width; i++){
      Color c=new Color(
        100,
        (int)(255*Math.random()),
        (int)(255*Math.random())
      );
      g.setColor(c);
      g.drawLine(i, 0, i, getSize().height);
    }
  }
  public static void main(String argumendid[]){
    new Liigu4();
  }
}