mucha

import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.Random;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.Timer;


public class Mucha extends JComponent
             implements ActionListener, MouseListener{
    protected JFrame kdeSaNachadzam; // ma v sebe JFrame
    protected Timer t;              // timer
    protected static int pocitadlo; // spolocny premenna static

    public Mucha(int x, int y, JFrame kdeSaNachadzam) {
        setBounds(x, y, 30, 30);
        this.kdeSaNachadzam = kdeSaNachadzam;

        Random generator = new Random(); //generator pre timer

        t = new Timer(generator.nextInt(201) + 50, this); // kazda ma vlastny timer
        t.start();
        addMouseListener(this); // ak kliknem
        pocitadlo = 0;
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.fillOval(0,0,29,29);
    }

    @Override
    public void actionPerformed(ActionEvent ae) {
        Random generator = new Random();
        int x = generator.nextInt(21) - 10; //pohyb muchy po x
        int y = generator.nextInt(21) - 10; // pohyb muchy po y
        setLocation(getX() + x, getY() + y); // nastav x o,nastav y o
        if (getX() < 0) setLocation(0, getY()); // nepustim ju z formulara po x
        if (getY() < 0) setLocation(getX(), 0); // nepustim ju z formulara po y
        if (getX()+50 > kdeSaNachadzam.getWidth())  //vacsia ako sirka formulara
              setLocation(kdeSaNachadzam.getWidth()-50, getY()); // nastavim polohu na formlari
        if (getY()+50 > kdeSaNachadzam.getHeight())  // vacsia ako vyska formulara
            setLocation(getX(), kdeSaNachadzam.getHeight()-50); // nastavim polohu na formlari

    }

    @Override
    public void mouseClicked(MouseEvent me) {}

    @Override
    public void mousePressed(MouseEvent me) {
        t.stop();
        kdeSaNachadzam.remove(this); //odstraneni z formulara
        kdeSaNachadzam.repaint(); // prekleslenie
        pocitadlo++;
        kdeSaNachadzam.setTitle("Pocet chytenych: " + pocitadlo);
    }

    @Override
    public void mouseReleased(MouseEvent me) {}

    @Override
    public void mouseEntered(MouseEvent me) {}

    @Override
    public void mouseExited(MouseEvent me) {}





}