简易雷霆战机模型
此简易雷霆战机模型实现了雷霆战机游戏的核心功能，运行结果截图如下：
代码：
1.planegame包
(1)：PlaneGameFrame类：
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.Date;
import util.GameUtil;
import util.MyFrame;
public class PlaneGameFrame extends MyFrame{
Image bg = GameUtil.getImage("images/bg.jpg"); //背景
Plane player = new Plane("images/player.png",175,550); //飞机
ArrayList bulletList = new ArrayList(); //子弹
Explode boom; //爆炸
Date startTime;
Date endTime;
public void paint(Graphics g){
g.drawImage(bg, 0, 0, null); //背景
player.draw(g); //飞机
for(int i=0;i<bulletList.size();i++){ //子弹
Bullet b = (Bullet)bulletList.get(i);
b.draw(g);
//检测碰撞
boolean bm = b.getRect().intersects(player.getRect());
if(bm){
player.setLive(false);
}
}
//死亡处理
if(!player.isLive()){
if(boom == null){
boom = new Explode(player.x,player.y);
endTime = new Date();
}
boom.draw(g);
//打印结果
printInfo(g,"GAME OVER",80,300,50,Color.white);
long period = (endTime.getTime()
- startTime.getTime())/1000;
printInfo(g,"时间:"+period+"秒",100,350,30,Color.green);
printInfo(g,"分数:"+period*13,50,50,10,Color.green);
}
}
//打印信息:信息/位置（x/y）/尺寸/颜色
public void printInfo(Graphics g,String str,int x,int y,int size,Color color){
Color c = g.getColor();
g.setColor(color);
Font f = new Font("宋体",Font.BOLD,size);
g.setFont(f);
g.drawString(str,x,y);
g.setColor(c);
}
public static void main(String[] args) {
new PlaneGameFrame().launchFrame();
}
public void launchFrame(){
super.launchFrame();
addKeyListener(new KeyMonitor());
//生成子弹
for(int i=0;i<20;i++){
Bullet b = new Bullet();
bulletList.add(b);
}
//开始计时
startTime = new Date();
}
//定义内部类
class KeyMonitor extends KeyAdapter{
public void keyPressed(KeyEvent e){
player.changeDirection(e);
System.out.println("按下:" + e.getKeyCode());
}
public void keyReleased(KeyEvent e){
player.recoveryDirection(e);
System.out.println("释放:" + e.getKeyCode());
}
}
}
(2)：GameObject类：
import java.awt.Image;
import java.awt.Rectangle;
public class GameObject {
Image img;
double x,y;
int width,height;
int speed = 5;
public Rectangle getRect(){
return new Rectangle((int)x,(int)y, width, height);
}
public GameObject() {
}
public GameObject(Image img, double x, double y, int width, int height, int speed) {
super();
this.img = img;
this.x = x;
this.y = y;
this.width = width;
this.height = height;
this.speed = speed;
}
}
(3)Plane类：
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.event.KeyEvent;
import util.GameUtil;
public class Plane extends GameObject{
private boolean left,up,right,down;
private boolean live = true;
public boolean isLive() {
return live;
}
public void setLive(boolean live) {
this.live = live;
}
public Plane(){
}
public Plane(String imgpath, double x, double y) {
this.img = GameUtil.getImage("images/player.png");
this.x = x;
this.y = y;
this.width = img.getWidth(null);
this.height = img.getHeight(null);
}
public void draw(Graphics g){
if(live){
g.drawImage(img,(int)x,(int)y,null);
move();
}
}
public void changeDirection(KeyEvent e){
switch (e.getKeyCode()){
case KeyEvent.VK_LEFT:
left = true;
break;
case KeyEvent.VK_UP:
up = true;
break;
case KeyEvent.VK_RIGHT:
right = true;
break;
case KeyEvent.VK_DOWN:
down = true;
break;
}
}
public void recoveryDirection(KeyEvent e){
switch (e.getKeyCode()){
case KeyEvent.VK_LEFT:
left = false;
break;
case KeyEvent.VK_UP:
up = false;
break;
case KeyEvent.VK_RIGHT:
right = false;
break;
case KeyEvent.VK_DOWN:
down = false;
break;
}
}
public void move(){
if(left){
x -=speed;
}
if(up){
y -= speed;
}
if(right){
x += speed;
}
if(down){
y += speed;
}
}
}
(4)Bullet类：
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Rectangle;
import util.Constant;
public class Bullet extends GameObject{
double degree;
public Bullet(){
x = Constant.WIDTH/2;
y = Constant.HEIGHT/2;
width = 6;
height = 6;
degree = Math.random()*Math.PI*2;
}
public void draw(Graphics g){
Color c = g.getColor();
g.setColor(Color.yellow);
g.fillOval((int)x, (int)y, width, height);
x += speed*Math.cos(degree);
y += speed*Math.sin(degree);
if(x<0||x>Constant.WIDTH - width){
degree = Math.PI-degree;
}
if(y<0||y>Constant.HEIGHT - height){
degree = -degree;
}
g.setColor(c);
}
}
(5)Explode类：
import java.awt.Graphics;
import java.awt.Image;
import util.GameUtil;
public class Explode {
double x,y;
static Image[] imgs = new Image[16];
int count;
static {
for(int i=0;i<16;i++){
imgs[i] = GameUtil.getImage("images/explode/e"+(i+1)+".gif");
imgs[i].getWidth(null);
}
}
public void draw(Graphics g){
if(count<16){
g.drawImage(imgs[count],(int)x,(int)y,null);
count++;
}
}
public Explode(double x,double y){
this.x = x;
this.y = y;
}
}
2.工具包
(1)GameUtil类：
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import javax.imageio.ImageIO;
public class GameUtil {
private GameUtil(){}
public static Image getImage(String path){
URL u = GameUtil.class.getClassLoader().getResource(path);
BufferedImage img = null;
try {
img = ImageIO.read(u);
} catch (IOException e) {
e.printStackTrace();
}
return img;
}
}
(2)框架类：
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
public class MyFrame extends Frame {
// 加载窗口
public void launchFrame(){
setSize(Constant.WIDTH,Constant.HEIGHT);
setLocation(100,100);
setVisible(true);
new PaintThread().start(); //启动重画线程
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
//重画窗口
class PaintThread extends Thread{
public void run(){
while(true){
repaint();
try {
Thread.sleep(40);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
//消除闪烁
private Image offScreenImage = null;
public void update(Graphics g){
if(offScreenImage == null){
offScreenImage = this.createImage(Constant.WIDTH,Constant.HEIGHT);
}
Graphics gOff = offScreenImage.getGraphics();
paint(gOff);
g.drawImage(offScreenImage, 0, 0, null);
}
}
(3)常量类：
public class Constant {
public static final int WIDTH = 400;
public static final int HEIGHT = 600;
}
3.素材包
(1)背景：
(2)飞机：
(3)爆炸：
