GRAFIKA KOMPUTER ANIMASI MENGGUNAKAN NETBEANS

 ANIMASI  MENGGUNAKAN SOURCE CODE  NETBEANS

BERIKUT SOURCE CODENYA 

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public final class bola extends JFrame {

private JPanel jp;

private Timer timer;

public bola() {

initComponents();

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

this.pack();

this.setLocationByPlatform(true);

timer.start();

}

public void initComponents() {

ActionListener al = (ActionEvent evt) -> {

jp.repaint();

};

timer = new Timer(10,al); 

jp = new JPanel() {

int x;

int y;

int xspeed = 1;

int yspeed = 1;

Dimension preferredSize = new Dimension(500, 300);

@Override

public Dimension getPreferredSize() {

return preferredSize;

}

@Override

public void paintComponent(Graphics g) {

super.paintComponent(g);

this.move();

Graphics2D g2 = (Graphics2D)g;

g2.setRenderingHint(

RenderingHints.KEY_ANTIALIASING, 

RenderingHints.VALUE_ANTIALIAS_ON);

g.drawOval(x, y, 20, 20);

                              

this.move();

Graphics2D g3 = (Graphics2D)g;

g3.setRenderingHint(

RenderingHints.KEY_ANTIALIASING, 

RenderingHints.VALUE_ANTIALIAS_ON);

g.drawOval(x, y, 60, 60);

                

this.move();

Graphics2D g4 = (Graphics2D)g;

g4.setRenderingHint(

RenderingHints.KEY_ANTIALIASING,

RenderingHints.VALUE_ANTIALIAS_ON);

g.drawOval(x, y, 30, 30);

}

void move() {

x = x + xspeed;

y = y + yspeed;

if (x < 0) {

x = 0;

xspeed = -xspeed;

} else if (x > getWidth() - 10) {

x = getWidth() - 10;

xspeed = -xspeed;

}

if (y < 0) {

y = 0;

yspeed = -yspeed;

} else if (y == getHeight() - 10) {

y = getHeight() - 10;

yspeed = -yspeed;

}

}

};

jp.setBackground(Color.ORANGE);

this.add(jp);

}

public static void main(String args[]) {

EventQueue.invokeLater(new Runnable() {

public void run() {

new bola().setVisible(true);

}

});

}

}