gula-trieda

import com.sun.swing.internal.plaf.metal.resources.metal;
import java.awt.Color;
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 javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.Timer;

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
/**
 *
 * @author sused
 */
public class Gula extends JComponent implements ActionListener, MouseListener
 {

    private int stav;
    private Timer t;
    private boolean smerDolava;
    private JFrame mojKontajner;

    public Gula(int x, int y, JFrame mojKontajner) {
        this.mojKontajner=mojKontajner;
        setBounds(x, y, 50, 50);
        stav = 1;
        smerDolava = true;
        t = new Timer(100, this);
        addMouseListener(this);
        //t.start();
    }

    public void zmenaSmeru() {
        smerDolava = !smerDolava;

    }

    public void dolava() {
        setLocation(getX() - 10, getY());
        if (getX()<-50) setLocation(mojKontajner.getWidth(), getY());
        stav--;
        if (stav == 0) {
            stav = 4;
        }
    }

    public void doprava() {
        setLocation(getX() + 10, getY());
        if (getX() > mojKontajner.getWidth()) setLocation(-50, getY());
        stav++;
        if (stav == 5) {
            stav = 1;
        }

    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setColor(Color.red);
        g.fillOval(0, 0, 50, 50);
        g.setColor(Color.yellow);
        switch (stav) {
            case 1:
                g.fillOval(20, 5, 10, 10);
                break;
            case 2:
                g.fillOval(35, 20, 10, 10);
                break;
            case 3:
                g.fillOval(20, 35, 10, 10);
                break;
            case 4:
                g.fillOval(5, 20, 10, 10);
                break;

        }

    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (smerDolava) {
            dolava();

        } else {
            doprava();
        }

    }

    @Override
    public void mouseClicked(MouseEvent e) {}

    @Override
    public void mousePressed(MouseEvent e) {
        if (e.getButton() == 1)
             t.start();
        if  (e.getButton() == 3)
             t.stop( );
    }

    @Override
    public void mouseReleased(MouseEvent e) {

    }

    @Override
    public void mouseEntered(MouseEvent e) {

    }

    @Override
    public void mouseExited(MouseEvent e) {}

}