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

import java.applet.*;

public class Liivakell extends Applet implements MouseListener, Runnable{
  int x=60;
  int y=60;
  int a=50;
  int b=100;
  int c=50;
  int d=139;
  int e=100;
  int f=139;
  int bb=95;
  boolean kukkumine=true;
  boolean keeramine=false;
  double nurk=0;
  Maatriks uuskoht;
  Maatriks muutus=new Maatriks(
    Math.cos(nurk), Math.sin(nurk),
    -Math.sin(nurk), Math.cos(nurk)
  );
  Maatriks asukoht=new Maatriks(10, 2);
  int kx=75, ky=95;
  
  public Liivakell(){
    asukoht.m=new double[][]{
     {50, 50},
     {100, 50},
     {50, 80},
     {100, 80},
     {70, 95},
     {80, 95},
     {50, 110},
     {100, 110},
     {50, 140},
     {100, 140}
    };
    for(int k=0; k<asukoht.m.length; k++){
       asukoht.m[k][0]=asukoht.m[k][0]-kx;
       asukoht.m[k][1]=asukoht.m[k][1]-ky;
    }
    addMouseListener(this);
    new Thread(this).start();
  }

  public void run(){
   while(true){

    if(kukkumine){
      try{Thread.sleep(500);} catch(Exception viga){}
      if(x>90){ 
        x=60;
        y=60;
        a=50;
        c=50;
        e=100;        
        b=100;
        d=139;
        f=139;
        bb=95;
      }

      if(x<=90){
        if(x<90){
          d=d-1;
          f=f-1;
        }        
        if(y>=80){
          a=a+1;
          b=b-1;
        }
        x=x+1;
        y=y+1;
        if(x<=90){   
          bb=bb+5;
        }         
        if(bb>d){
          bb=95;
        }
      }

    repaint();
    }  

    if(keeramine){

      System.out.println("keerab");
      try{Thread.sleep(15);} catch(Exception viga){}
      if(nurk<3.14){
        uuskoht=asukoht.korruta(muutus);
        repaint(); 
        nurk=nurk+0.01;  
        muutus=new Maatriks(
          Math.cos(nurk), Math.sin(nurk),
          -Math.sin(nurk), Math.cos(nurk)
        );       
      } 
      if(nurk>=3.14){
        keeramine=false;
        kukkumine=true; 
        nurk=0;
      }
    }

   }
  }



 public void joonistaKujund(Graphics g, Maatriks koht){
    double[][] m=koht.m;
    g.drawLine(kx+(int)m[0][0], ky-(int)m[0][1], kx+(int)m[2][0], ky-(int)m[2][1]);
    g.drawLine(kx+(int)m[0][0], ky-(int)m[0][1], kx+(int)m[1][0], ky-(int)m[1][1]); 
    g.drawLine(kx+(int)m[2][0], ky-(int)m[2][1], kx+(int)m[4][0], ky-(int)m[4][1]);
    g.drawLine(kx+(int)m[1][0], ky-(int)m[1][1], kx+(int)m[3][0], ky-(int)m[3][1]);
    g.drawLine(kx+(int)m[3][0], ky-(int)m[3][1], kx+(int)m[5][0], ky-(int)m[5][1]);
    g.drawLine(kx+(int)m[4][0], ky-(int)m[4][1], kx+(int)m[6][0], ky-(int)m[6][1]); 
    g.drawLine(kx+(int)m[5][0], ky-(int)m[5][1], kx+(int)m[7][0], ky-(int)m[7][1]);
    g.drawLine(kx+(int)m[6][0], ky-(int)m[6][1], kx+(int)m[8][0], ky-(int)m[8][1]);
    g.drawLine(kx+(int)m[7][0], ky-(int)m[7][1], kx+(int)m[9][0], ky-(int)m[9][1]);
    g.drawLine(kx+(int)m[8][0], ky-(int)m[8][1], kx+(int)m[9][0], ky-(int)m[9][1]);
  }

  public void paint(Graphics g){    


   if(kukkumine==true){

    joonistaKujund(g, asukoht);
    g.setColor(Color.yellow);
    g.drawLine(a, x, b, y);
    g.drawLine(c, d, e, f);
    g.fillOval(72, bb, 4, 4);
      if(x>90){
       g.setColor(Color.white);
       g.fillOval(72, bb, 4, 4);
      } 
    }
    if(keeramine==true){
    g.setColor(Color.black);
    joonistaKujund(g, uuskoht);
    System.out.println("Joonistab keeratult");

    }
 
  }
  


  public void mousePressed(MouseEvent e){}
  public void mouseReleased(MouseEvent e){}
  public void mouseClicked(MouseEvent e){
    x=e.getX();
    y=e.getY();
    if(x>=50 && y>=50 && x<=100 && y<=140){
      keeramine=true;
      kukkumine=false;
    }
  }
  public void mouseEntered(MouseEvent e){}
  public void mouseExited(MouseEvent e){}


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