import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.*;
import javax.swing.*;
@SuppressWarnings("serial")
public class Applet2018a extends JApplet implements ActionListener {
JPanel controlPanel;
int x = 0;
int fps = 24;
Timer timer = new Timer(1000 / fps, this);
JPanel drawPanel = new JPanel() {
@Override
public void paint(Graphics g) {
BufferedImage image =
new BufferedImage(drawPanel.getWidth(),
drawPanel.getHeight(),
BufferedImage.TYPE_INT_RGB);
Graphics g2 = image.getGraphics();
g2.setColor(Color.CYAN);
g2.fillRect(0, 0, drawPanel.getWidth(), drawPanel.getHeight());
g2.setColor(Color.BLACK);
for (int i = 0; i < 80; i++) {
for (int j = 0; j < 80; j++) {
g2.fillOval(x + 5 * i, x + 5 * j, 4, 4);
}
}
g.drawImage(image, 0, 0, null);
}
};
@Override
public void init() {
// this.setLayout(new GridLayout(1, 2));
this.add(drawPanel);
timer.start();
}
@Override
public void actionPerformed(ActionEvent e) {
x += 1;
drawPanel.repaint();
}
}