package ch08;import java.awt.Graphics;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.image.BufferedImage;import java.io.File;import java.io.IOException;import javax.imageio.ImageIO;import javax.swing.JFrame;import javax.swing.JPanel;public class GameFrame extends JFrame { BufferedImage backgroundImage; BufferedImage player1; BufferedImage enemy1; ImagePanel imag..