java——菜鸟飞机大战
说是飞机大战倒不如说是飞机躲避炮弹
//飞机游戏主窗口
import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Date;
import javax.swing.JFrame;
import utils.GameUtil;
public class MyGame09 extends Frame{
public static final Thread Thead = null;
Image bg=GameUtil.getImage("imgs/background.png");
Image planeImg=GameUtil.getImage("imgs/hero0.png");
Plane plane=new Plane(planeImg,200,500);
// Shell shell=new Shell();
Shell [] shells=new Shell[50];
Explode baoz;
Date startTime=new Date();
Date endTime;
int period ;//游戏持续的时间
@Override
public void paint(Graphics g) {//绘图 窗口类的主方法 自动执行
super.paint(g);//调用父类的paint
g.drawImage(bg,0,0,null);//画图片
plane.drawSelf(g);//画飞机
Color c=g.getColor();
//画出所有的炮弹
for(int i=0;i<shells.length;i++) {
shells[i].draw(g);
//飞机和炮弹封装检测
boolean flag=shells[i].getRect().intersects(plane.getRect());
if(flag) {
plane.live=false;
if(baoz==null) {
baoz=new Explode(plane.x,plane.y);
endTime=new Date();
period=(int)((endTime.getTime()-startTime.getTime())/1000);
}
baoz.draw(g);
}
if(!plane.live) {
g.setColor(Color.red);
g.setFont(new Font("宋体",Font.BOLD,50));
g.drawString("存活时间为"+period+"秒", 100, 300);
}
}
g.setColor(c);
}
//帮助我们重复的重画窗口
class PaintThread extends Thread{
public void run() {
while(true) {
repaint();//外部类方法 重画
try {
Thead.sleep(60);
}catch(InterruptedException e) {
e.printStackTrace();
}
}
}
}
//定义键盘监听的内部类
class KeyMonitor extends KeyAdapter{
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
// System.out.println("按下"+e.getKeyCode());
plane.addDirection(e);
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
// System.out.println("松开"+e.getKeyCode());
plane.minusDirection(e);
}
}
//初始化窗口
public void launchFrame() {
this.setTitle("琳同学的飞机大战");
this.setVisible(true);
this.setSize(Constant.GAME_WIDTH,Constant.GAME_HEIGHT);
this.setLocationRelativeTo(null);
this.setResizable(false);
this.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
new PaintThread().start();//启动重画窗口的线程
addKeyListener(new KeyMonitor());//给窗口增加键盘监听
//初始化50个炮弹
for(int i=0;i<shells.length;i++) {
shells[i]=new Shell();
}
}
public static void main(String []args) {
MyGame09 f=new MyGame09();
f.launchFrame();
}
private Image offScreenImage = null;
public void update(Graphics g) {
if(offScreenImage == null) {
//这是游戏窗口的宽度和高度
offScreenImage = this.createImage(Constant.GAME_WIDTH, Constant.GAME_HEIGHT);
}
Graphics gOff = offScreenImage.getGraphics();
paint(gOff);
g.drawImage(offScreenImage, 0, 0, null);
}
}
public class Constant {
//控制游戏页面的大小
public static final int GAME_WIDTH=500;
public static final int GAME_HEIGHT=700;
}
import java.awt.Graphics;
import java.awt.Image;
import utils.GameUtil;
//爆炸类，在飞机和炮弹碰撞时，一系列图片的显示
public class Explode {
double x,y;
static Image[] imgs=new Image[4];
static {
for(int i=0;i<4;i++) {
imgs[i]=GameUtil.getImage("imgs/bom"+(i+1)+".png");
imgs[i].getWidth(null);
}
}
int count;
public void draw(Graphics g) {
if(count <=3) {
g.drawImage(imgs[count],(int)x+20,(int)y+20,null);
count++;
}
}
public Explode(double x,double y) {
this.x=x;
this.y=y;
}
}
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
//游戏物体的父类
public class GameObject {
Image img;
public double x;
public double y;
int speed;
int width,height;
public void drawSelf(Graphics g) {
g.drawImage(img, (int)x,(int)y,null);
}
public GameObject(Image img, double x, double y) {
super();
this.img = img;
this.x = x;
this.y = y;
}
public GameObject(Image img, double x, double y, int speed, int width, int height) {
super();
this.img = img;
this.x = x;
this.y = y;
this.speed = speed;
this.width = width;
this.height = height;
}
public GameObject() {}
//返回物体所在的矩形，便于后续的碰撞检测
public Rectangle getRect() {
return new Rectangle((int)x,(int)y,width,height);
}
}
import java.awt.Color;
import java.awt.Graphics;
//炮弹类
public class Shell extends GameObject {
double degree;
public Shell() {
x=200;
y=200;
width=10;
height=10;
speed=4;
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);
//炮弹沿着任意角度去飞
x +=speed*Math.cos(degree);
y +=speed*Math.sin(degree);
if(xConstant.GAME_WIDTH-width-24) {
degree=Math.PI-degree;
}
if(yConstant.GAME_HEIGHT-height) {
degree=-degree;
}
g.setColor(c);
}
}
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyEvent;
public class Plane extends GameObject{
int speed=8;
boolean left,up,right,down;
boolean live=true;
public void drawSelf(Graphics g) {
if(live) {g.drawImage(img, (int)x,(int)y,null);
if(left) {
x-=speed;
}
if(right) {
x+=speed;
}
if(up) {
y-=speed;
}
if(down) {
y+=speed;
}
}else {
}
}
public Plane(Image img,double x,double y) {
this.img=img;
this.x=x;
this.y=y;
this.speed=3;
this.width=img.getWidth(null);
this.height=img.getHeight(null);
}
//按下某个键，增加相应的方向
public void addDirection(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;
}
}
//取消相应的键
public void minusDirection(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;
}
}
}
作者：琳同学
