package com.simpre;
import java.awt.Graphics;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
public class PlaneWar extends JFrame{
BackGround backGround = new BackGround();
Plane plane = new Plane();
public PlaneWar(){
this.setTitle("PlaneWar");
this.setBounds(300,150,450,800);
this.setVisible(true);
this.setResizable(false);
this.addKeyListener(new KeyControl());
Thread thread = new Thread(new PaintThread());
thread.start();
}
public void paint(Graphics g){
backGround.draw(g);
plane.draw(g);
}
class PaintThread implements Runnable{
public void run(){
while(true){
repaint();
try {
Thread.sleep(50);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
class KeyControl extends KeyAdapter{
public void keyPressed(KeyEvent e){
if(e.getKeyCode() == KeyEvent.VK_UP){
plane.up =true;
}else if(e.getKeyCode() == KeyEvent.VK_LEFT){
plane.left =true;
}else if(e.getKeyCode() == KeyEvent.VK_RIGHT){
plane.right =true;
}else if(e.getKeyCode() == KeyEvent.VK_DOWN){
plane.down =true;
}
}
public void keyReleased(KeyEvent e){
if(e.getKeyCode() == KeyEvent.VK_UP){
plane.up =false;
}else if(e.getKeyCode() == KeyEvent.VK_LEFT){
plane.left =false;
}else if(e.getKeyCode() == KeyEvent.VK_RIGHT){
plane.right =false;
}else if(e.getKeyCode() == KeyEvent.VK_DOWN){
plane.down =false;
}
}
}
public static void main(String args[]){
new PlaneWar();
}
}
```package com.simpre;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
public class Plane {
boolean left,up,right,down;
int planeSpeed =10;
int x=200,y=700;
Image imgPlane = GameUtil.getImage("Images/MyPlane.png");
public void draw(Graphics g){
g.drawImage(imgPlane,x,y,80,60,null);
if(left & x>0){
x-=planeSpeed;
}
if(up & y>40){
y-=planeSpeed;
}
if(right & x<380){
x+=planeSpeed;
}
if(down & y<750){
y+=planeSpeed;
}
}
public Plane() {
}
}
```package com.simpre;
import java.awt.Graphics;
import java.awt.Image;
public class BackGround {
int y;
int BgSpeed=2;
Image imgBg = GameUtil.getImage("Images/BG.jpg");
public void draw(Graphics g){
g.drawImage(imgBg,0,y,450,800,null);
g.drawImage(imgBg,0,y-800,450,800,null);
y+=BgSpeed;
if(y>800){
y=0;
}
}
}