import java.applet.Applet;
import java.awt.event.*;
import java.awt.*;
public class Aare1 extends Applet implements KeyListener{

  int x=100, y=100, ax=10, ay=150, samm=5, puutekaugus=20;


  public Aare1(){
    addKeyListener(this);
  }

  public void paint(Graphics g){
    g.drawRect(ax-10, ay-10, 20, 20);
    g.drawOval(x-10, y-10, 20, 20);
    if(kaugus(x, y, ax, ay)<puutekaugus){
      g.drawString("Aare leitud", 100, 100);
    }
  }


  public void keyPressed(KeyEvent e){
    int kood=e.getKeyCode();
    if(kood==KeyEvent.VK_LEFT)x-=samm;
    if(kood==KeyEvent.VK_RIGHT)x+=samm;
    if(kood==KeyEvent.VK_UP)y-=samm;
    if(kood==KeyEvent.VK_DOWN)y+=samm;
    repaint();
  }

  public void keyReleased(KeyEvent e){}

  public void keyTyped(KeyEvent e){}
  
  static double kaugus(int x1, int y1, int x2, int y2){
    return Math.sqrt(Math.pow(x2-x1, 2) + Math.pow(y2-y1, 2));
  }
  

  public static void main(String argumendid[]){
    Frame f=new Frame("Aarde otsimine");
    f.add(new Aare1());
    f.setSize(300, 300);
    f.setVisible(true);  
  }

}