[3].[文件]

MyFrame.java ~ 6KB    下载(399)

package com.ruxia.frame;

import java.awt.Frame;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.Toolkit;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.util.ArrayList;

import java.util.Random;

import javax.swing.JFrame;

public class MyFrame extends Frame {

public static final int WIDTH=900;

public static final int HEIGHT=700;

public static int my_x=450;

public static int my_y=600;

//分数

public static int score=0;

//定义变量,专门表示键盘按下的键

public static boolean a=false;public static boolean s=false;public static boolean d=false;public static boolean w=false;public static boolean j=false;

//敌机的集合

public ArrayList personAll=new ArrayList();

//存放爆炸效果的集合

public static ArrayList explodeAll=new ArrayList();

//存放子弹的集合

public static ArrayList bulletAll=new ArrayList();

public MyFrame()

{

this.setTitle("雷电"+score);

this.setSize(WIDTH,HEIGHT);

this.setLocationRelativeTo(null);

this.setResizable(false);

this.addWindowListener(new MyWindowClose());

//添加键盘监听器

this.addKeyListener(new MyKeyDown());

this.setVisible(true);

MyThread t=new MyThread();

t.start();

}

//定义背景Y座标

int bg_y=0;

@Override

public void paint(Graphics g) {

Toolkit tk=Toolkit.getDefaultToolkit();

Image bg_img=tk.getImage(MyFrame.class.getClassLoader().getResource("image/bg2.jpg"));

g.drawImage(bg_img, 0, bg_y, WIDTH, HEIGHT, null);

bg_y+=10;

g.drawImage(bg_img, 0, -HEIGHT+bg_y, WIDTH, HEIGHT, null);

//判断bg_y的值是否超过窗体的高度

if(bg_y>HEIGHT)

{

bg_y=0;

}

Image my_img=tk.getImage(MyFrame.class.getClassLoader().getResource("image/my_img.jpg"));

g.drawImage(my_img, my_x, my_y, 55, 60, null);

//创建随机对象

Random rd=new Random();

if(rd.nextInt(10)==5)

{

//创建敌机

Person person=new Person(rd.nextInt(850), 45, 32, 58, 100, 100, "enemy1.jpg", 15);

personAll.add(person);

}

for (int i = 0; i < personAll.size(); i++) {

Person person=personAll.get(i);

if(person.isLive)

{

person.drawPerson(g);

}

else

personAll.remove(person);

}

//绘画爆炸

for (int i = 0; i < explodeAll.size(); i++) {

Explode e=explodeAll.get(i);

//判断是否是活字弹

if(e.isLive)

{

e.drawExplode(g);

}

else {

explodeAll.remove(e);

}

}

//绘画子弹

for (int i = 0; i < bulletAll.size(); i++) {

Bullet bullet=bulletAll.get(i);

//判断是否是活子弹

if(bullet.isLive)

{

bullet.drawBullet(g);

}

else {

bulletAll.remove(bullet);

}

}

this.setTitle("雷电 分数:"+score);

}

public void move()

{

if(a)

MyFrame.my_x-=20;

if(d)

MyFrame.my_x+=20;

if(s)

MyFrame.my_y+=20;

if(w)

MyFrame.my_y-=20;

if(j)

{

Fire();

}

}

//开火方法

public void Fire()

{

Bullet bullet=new Bullet();

bullet.x=my_x+22;

bullet.y=my_y+30;

bullet.img="bullet.jpg";

bullet.speed=40;

bullet.width=20;

bullet.height=20;

bulletAll.add(bullet);

}

Image img=null;

@Override

public void update(Graphics g) {

if(img==null)

{

img=this.createImage(WIDTH, HEIGHT);

}

//利用img创建虚拟画笔

Graphics gb=img.getGraphics();

//调用paint方法

paint(gb);

//利用真实的画笔g来画图片

g.drawImage(img, 0,0,WIDTH,HEIGHT,null);

}

public static void main(String[] args) {

new MyFrame();

}

//内部类,线程类,用来刷新当前窗体S

class MyThread extends Thread

{

@Override

public void run() {

while(true)

{

repaint();

//每时每刻都判断是否要移动飞机

move();

try {

//让子弹前进,速度要比玩家速度快很多

for (int i = 0; i < bulletAll.size(); i++) {

Bullet bullet=bulletAll.get(i);

bullet.y-=bullet.speed;

}

Thread.sleep(65);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

}

//这个类的作用是关闭窗体

class MyWindowClose extends WindowAdapter

{

@Override

public void windowClosing(WindowEvent e) {

System.exit(0);

}

}

class MyKeyDown extends KeyAdapter

{

@Override

public void keyPressed(KeyEvent e) {

switch (e.getKeyCode()) {

case KeyEvent.VK_A:

MyFrame.a=true;

break;

case KeyEvent.VK_S:

MyFrame.s=true;

break;

case KeyEvent.VK_D:

MyFrame.d=true;

break;

case KeyEvent.VK_W:

MyFrame.w=true;

break;

case KeyEvent.VK_J:

MyFrame.j=true;

break;

default:

break;

}

}

@Override

public void keyReleased(KeyEvent e) {

switch (e.getKeyCode()) {

case KeyEvent.VK_A:

MyFrame.a=false;

break;

case KeyEvent.VK_S:

MyFrame.s=false;

break;

case KeyEvent.VK_D:

MyFrame.d=false;

break;

case KeyEvent.VK_W:

MyFrame.w=false;

break;

case KeyEvent.VK_J:

MyFrame.j=false;

break;

default:

break;

}

}

}