java飞机大战

此游戏实现通过操作上下左右方向键来操控飞机的移动，子弹从中间圆上任意方向发射，碰到墙壁时镜面反弹，当碰到飞机时，飞机爆炸，并输出战绩。

先看效果图（含爆炸效果）：

源码如下：

工具包：

package com.uwo9.util;/** * 游戏项目中的常量 * */public class Constant {/** * 窗体宽度 */public static final int GAME_WIDTH=500;/** * 窗体高度 */public static final int GAME_HEIGHT=500;}

工具类

package com.uwo9.util;import java.awt.Image;import java.awt.image.BufferedImage;import java.io.IOException;import java.net.URL;import javax.imageio.ImageIO;/** * 游戏开发中常用的工具类(比如：加载图片等方法) *  */public class GameUtil {private GameUtil() {// 工具类通常会将构造方法私有}/** *  * @param path *            图片地址 * @return */public static Image getImage(String path) {BufferedImage image = null;try {URL u = GameUtil.class.getClassLoader().getResource(path);image = ImageIO.read(u);} catch (IOException e) {e.printStackTrace();}return image;}}

窗体：

package com.uwo9.util;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 {/** *  */private static final long serialVersionUID = 4419278382442876209L;protected MyFrame(){}protected MyFrame(String s){super(s);}/** * 加载窗口 */public void launchFrame() {setSize(Constant.GAME_WIDTH, Constant.GAME_HEIGHT);setLocation(100, 100);setVisible(true);new PaintThread().start();// 启动重画线程//增加监听addWindowListener(new WindowAdapter() {@Overridepublic void windowClosing(WindowEvent e) {System.exit(0);}});}private Image offScreenImage = null;/** * 利用双缓冲技术处理闪烁 */@Overridepublic void update(Graphics g) {if (offScreenImage == null) {offScreenImage = this.createImage(this.getSize().width, this.getSize().height);}Graphics gOff = offScreenImage.getGraphics();print(gOff);g.drawImage(offScreenImage, 0, 0, null);}/** * 定义一个重画窗口的线程类 * */class PaintThread extends Thread {@Overridepublic void run() {while (true) {repaint();try {Thread.sleep(40);} catch (InterruptedException e) {e.printStackTrace();}}}}}

游戏功能：

主窗体

package com.uwo9.plane;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 com.uwo9.util.GameUtil;import com.uwo9.util.MyFrame;public class PlaneGameFrame extends MyFrame {private static final long serialVersionUID = -2627677621770317384L;Image bg = GameUtil.getImage("images/bg.jpg");plane p = new plane("images/plane.png", 50, 50);ArrayList<Bullet> bulletList = new ArrayList<Bullet>();//子弹Date startTime;//开始时间Date endTime;//结束时间Explode bao;//爆炸类public PlaneGameFrame() {}public PlaneGameFrame(String str) {super(str);}public void paint(Graphics g) {g.drawImage(bg, 0, 0, null);p.draw(g);for (int i = 0; i < bulletList.size(); i++) {Bullet b = (Bullet) bulletList.get(i);b.draw(g);// 检测跟飞机的碰撞boolean peng = b.getRect().intersects(p.getRect());if (peng) {p.setLive(false);// 飞机死掉if(bao==null){endTime = new Date();bao = new Explode(p.x, p.y);}bao.draw(g);break;}}if (!p.isLive()) {int period = (int) (endTime.getTime() - startTime.getTime()) / 1000;printInfo(g, "时间：" + period + "秒", 20, 100, 230, Color.white);switch (period / 10) {case 0:case 1:printInfo(g, "菜鸟", 50, 100, 200, Color.white);break;case 2:printInfo(g, "入门", 50, 100, 200, Color.white);break;case 3:printInfo(g, "熟练", 50, 100, 200, Color.white);break;case 4:printInfo(g, "精通", 50, 100, 200, Color.yellow);break;default:printInfo(g, "大神", 50, 100, 200, Color.yellow);break;}}}/** * 在窗口上打印信息 *  * @param g * @param str * @param size */public void printInfo(Graphics g, String str, int size, int x, int y, 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("飞机游戏").launchFrame();}@Overridepublic void launchFrame() {super.launchFrame();// 增加键盘的监听addKeyListener(new keyMonitor());// 生成一堆子弹for (int i = 0; i < 10; i++) {Bullet b = new Bullet();bulletList.add(b);}startTime = new Date();}// 定义内部类，可以方便的使用外部类的普通属性class keyMonitor extends KeyAdapter {@Overridepublic void keyPressed(KeyEvent e) {// 按下p.addDirection(e);}@Overridepublic void keyReleased(KeyEvent e) {// 释放p.minusDirection(e);}}}

游戏

package com.uwo9.plane;import java.awt.Image;import java.awt.Rectangle;public class GameObject {Image img;double x, y;int speed = 5;int width,height;public Rectangle getRect() {return new Rectangle((int) x, (int) y, width, height);}public GameObject() {}public GameObject(Image img, double x, double y, int speed, int width, int height) {this.img = img;;this.x = x;this.y = y;this.speed = speed;this.width = width;this.height = height;}}

子弹

package com.uwo9.plane;import java.awt.Color;import java.awt.Graphics;import com.uwo9.util.Constant;public class Bullet extends GameObject {double degree;public Bullet() {degree = Math.random() * Math.PI * 2;x = Constant.GAME_WIDTH / 2;y = Constant.GAME_HEIGHT / 2;width = 10;height = 10;}public void draw(Graphics g) {Color c = g.getColor();g.setColor(Color.yellow);g.fillOval((int) x, (int) y, width, height);if (y > Constant.GAME_HEIGHT - height || y < 30) {degree = -degree;}if (x < 0 || x > Constant.GAME_WIDTH - width) {degree = Math.PI - degree;}x += speed * Math.cos(degree);y += speed * Math.sin(degree);g.setColor(c);}}

飞机

package com.uwo9.plane;import java.awt.Graphics;import java.awt.event.KeyEvent;import com.uwo9.util.Constant;import com.uwo9.util.GameUtil;public class plane extends GameObject {private boolean left, up, right, down;private boolean live = true;public void draw(Graphics g) {if (live) {g.drawImage(img, (int) x, (int) y, null);move();}}public void move() {if (left && x > 0) {x -= speed;}if (right && x < Constant.GAME_WIDTH - width) {x += speed;}if (up && y > 30) {y -= speed;}if (down && y < Constant.GAME_HEIGHT - height) {y += speed;}}public void addDirection(KeyEvent e) {switch (e.getKeyCode()) {case KeyEvent.VK_LEFT:// 左键left = true;break;case KeyEvent.VK_UP:// 上键up = true;break;case KeyEvent.VK_RIGHT:// 右键right = true;break;case KeyEvent.VK_DOWN:// 下键down = true;break;default:break;}}public void minusDirection(KeyEvent e) {switch (e.getKeyCode()) {case KeyEvent.VK_LEFT:// 左键left = false;break;case KeyEvent.VK_UP:// 上键up = false;break;case KeyEvent.VK_RIGHT:// 右键right = false;break;case KeyEvent.VK_DOWN:// 下键down = false;break;default:break;}}public plane(String imgpath, double x, double y) {this.img = GameUtil.getImage(imgpath);this.width = 30;this.height = 30;this.x = x;this.y = y;}public boolean isLive() {return live;}public void setLive(boolean live) {this.live = live;}}

爆炸

package com.uwo9.plane;import java.awt.Graphics;import java.awt.Image;import com.uwo9.util.GameUtil;/** * 爆炸类 * */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 <= 15) {g.drawImage(imgs[count], (int) x, (int) y, null);count++;}}public Explode(double x, double y) {this.x = x;this.y = y;}}