import java.awt.image.*;
import java.awt.*;
import java.applet.*;
public class Pildiuhtlustus3 extends Applet implements Runnable{
  int laius=50;
  int korgus=50;
  BufferedImage pilt1=new BufferedImage(laius, korgus, BufferedImage.TYPE_INT_RGB);
  BufferedImage pilt2=new BufferedImage(laius, korgus, BufferedImage.TYPE_INT_RGB);
  ConvolveOp co;
  Graphics2D g1=pilt1.createGraphics();
  double x=10, y=10, kx=2*Math.random(), ky=2.5*Math.random();
  boolean veel=true;
  int ooteaeg=10;
  
  void liiguta(){
   if(x+kx>laius-5)kx=-Math.abs(kx);
   if(y+ky>korgus-5)ky=-Math.abs(ky);
   if(x+kx<5)kx=Math.abs(kx);
   if(y+ky<5)ky=Math.abs(ky);
   x+=kx;
   y+=ky;  
  }

  void samm(){
   liiguta();
   co.filter(pilt1,pilt2);        
   g1.drawImage(pilt2, 0, 0, this);
   g1.fillOval((int)x-5, (int)y-5, 10, 10);
   repaint();
  }
  
  public void run(){
    veel=true;
    while(veel){
      samm();
      try{Thread.sleep(ooteaeg);}catch(Exception e){}
    }
  }
  
  public Pildiuhtlustus3(){
    float andmed[]=new float[100];
    for(int i=0; i<100;i++)andmed[i]=0.01f;
    co=new ConvolveOp(new Kernel(10, 10, andmed));
    g1.setColor(Color.green);
    new Thread(this).start();
  }
  
  public void stop(){
    veel=false;
  }
  
  public void paint(Graphics g){
    g.drawImage(pilt1, 10, 10, this);
  }
  
  public void update(Graphics g){
    paint(g);
  }
  
  public static void main(String argumendid[]){
    Frame f=new Frame("Kino");
    f.add(new Pildiuhtlustus3());
    f.setSize(70, 100);
    f.setVisible(true);
  }
}