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云代码 - java代码库

游戏

2018-03-29 作者： 云代码会员举报

[java]代码库

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java打飞机完整代码
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import java.util.Random;
  
  
 敌飞机: 是飞行物，也是敌人
  
public class Airplane extends FlyingObject implements Enemy {
    private int speed = 3;  //移动步骤
  
    /** 初始化数据 */
    public Airplane(){
        this.image = ShootGame.airplane;
        width = image.getWidth();
        height = image.getHeight();
        y = -height;        
        Random rand = new Random();
        x = rand.nextInt(ShootGame.WIDTH - width);
    }
  
    /** 获取分数 */
    @Override
    public int getScore() {
        return 5;
    }
  
    /** //越界处理 */
    @Override
    public     boolean outOfBounds() { 
        return y>ShootGame.HEIGHT;
    }
  
    /** 移动 */
    @Override
    public void step() { 
        y += speed;
    }
  
}
分数奖励
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/**
 * 奖励
 */
public interface Award {
    int DOUBLE_FIRE = 0;  //双倍火力
    int LIFE = 1;   //1条命
    /** 获得奖励类型(上面的0或1) */
    int getType();
}
蜜蜂
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import java.util.Random;
  
/** 蜜蜂 */
public class Bee extends FlyingObject implements Award{
    private int xSpeed = 1;   //x坐标移动速度
    private int ySpeed = 2;   //y坐标移动速度
    private int awardType;    //奖励类型
  
    /** 初始化数据 */
    public Bee(){
        this.image = ShootGame.bee;
        width = image.getWidth();
        height = image.getHeight();
        y = -height;
        Random rand = new Random();
        x = rand.nextInt(ShootGame.WIDTH - width);
        awardType = rand.nextInt(2);   //初始化时给奖励
    }
  
    /** 获得奖励类型 */
    public int getType(){
        return awardType;
    }
  
    /** 越界处理 */
    @Override
    public boolean outOfBounds() {
        return y>ShootGame.HEIGHT;
    }
  
    /** 移动，可斜着飞 */
    @Override
    public void step() {      
        x += xSpeed;
        y += ySpeed;
        if(x > ShootGame.WIDTH-width){  
            xSpeed = -1;
        }
        if(x < 0){
            xSpeed = 1;
        }
    }
}
子弹类：是飞行物体
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/**
 * 子弹类:是飞行物
 */
public class Bullet extends FlyingObject {
    private int speed = 3;  //移动的速度
  
    /** 初始化数据 */
    public Bullet(int x,int y){
        this.x = x;
        this.y = y;
        this.image = ShootGame.bullet;
    }
  
    /** 移动 */
    @Override
    public void step(){   
        y-=speed;
    }
  
    /** 越界处理 */
    @Override
    public boolean outOfBounds() {
        return y<-height;
    }
  
}
敌人的分数
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/**
 * 敌人，可以有分数
 */
public interface Enemy {
    /** 敌人的分数  */
    int getScore();
}
飞行物(敌机，蜜蜂，子弹，英雄机)
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import java.awt.image.BufferedImage;
  
/**
 * 飞行物(敌机，蜜蜂，子弹，英雄机)
 */
public abstract class FlyingObject {
    protected int x;    //x坐标
    protected int y;    //y坐标
    protected int width;    //宽
    protected int height;   //高
    protected BufferedImage image;   //图片
  
    public int getX() {
        return x;
    }
  
    public void setX(int x) {
        this.x = x;
    }
  
    public int getY() {
        return y;
    }
  
    public void setY(int y) {
        this.y = y;
    }
  
    public int getWidth() {
        return width;
    }
  
    public void setWidth(int width) {
        this.width = width;
    }
  
    public int getHeight() {
        return height;
    }
  
    public void setHeight(int height) {
        this.height = height;
    }
  
    public BufferedImage getImage() {
        return image;
    }
  
    public void setImage(BufferedImage image) {
        this.image = image;
    }
  
    /**
     * 检查是否出界
     * @return true 出界与否
     */
    public abstract boolean outOfBounds();
  
    /**
     * 飞行物移动一步
     */
    public abstract void step();
  
    /**
     * 检查当前飞行物体是否被子弹(x,y)击(shoot)中
     * @param Bullet 子弹对象
     * @return true表示被击中了
     */
    public boolean shootBy(Bullet bullet){
        int x = bullet.x;  //子弹横坐标
        int y = bullet.y;  //子弹纵坐标
        return this.x<x && x<this.x+width && this.y<y && y<this.y+height;
    }
  
}
英雄机
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import java.awt.image.BufferedImage;
  
/**
 * 英雄机:是飞行物
 */
public class Hero extends FlyingObject{
  
    private BufferedImage[] images = {};  //英雄机图片
    private int index = 0;                //英雄机图片切换索引
  
    private int doubleFire;   //双倍火力
    private int life;   //命
  
    /** 初始化数据 */
    public Hero(){
        life = 3;   //初始3条命
        doubleFire = 0;   //初始火力为0
        images = new BufferedImage[]{ShootGame.hero0, ShootGame.hero1}; //英雄机图片数组
        image = ShootGame.hero0;   //初始为hero0图片
        width = image.getWidth();
        height = image.getHeight();
        x = 150;
        y = 400;
    }
  
    /** 获取双倍火力 */
    public int isDoubleFire() {
        return doubleFire;
    }
  
    /** 设置双倍火力 */
    public void setDoubleFire(int doubleFire) {
        this.doubleFire = doubleFire;
    }
  
    /** 增加火力 */
    public void addDoubleFire(){
        doubleFire = 40;
    }
  
    /** 增命 */
    public void addLife(){  //增命
        life++;
    }
  
    /** 减命 */
    public void subtractLife(){   //减命
        life--;
    }
  
    /** 获取命 */
    public int getLife(){
        return life;
    }
  
    /** 当前物体移动了一下，相对距离，x,y鼠标位置  */
    public void moveTo(int x,int y){   
        this.x = x - width/2;
        this.y = y - height/2;
    }
  
    /** 越界处理 */
    @Override
    public boolean outOfBounds() {
        return false;  
    }
  
    /** 发射子弹 */
    public Bullet[] shoot(){   
        int xStep = width/4;      //4半
        int yStep = 20;  //步
        if(doubleFire>0){  //双倍火力
            Bullet[] bullets = new Bullet[2];
            bullets[0] = new Bullet(x+xStep,y-yStep);  //y-yStep(子弹距飞机的位置)
            bullets[1] = new Bullet(x+3*xStep,y-yStep);
            return bullets;
        }else{      //单倍火力
            Bullet[] bullets = new Bullet[1];
            bullets[0] = new Bullet(x+2*xStep,y-yStep);  
            return bullets;
        }
    }
  
    /** 移动 */
    @Override
    public void step() {
        if(images.length>0){
            image = images[index++/10%images.length];  //切换图片hero0，hero1
        }
    }
  
    /** 碰撞算法 */
    public boolean hit(FlyingObject other){
  
        int x1 = other.x - this.width/2;                 //x坐标最小距离
        int x2 = other.x + this.width/2 + other.width;   //x坐标最大距离
        int y1 = other.y - this.height/2;                //y坐标最小距离
        int y2 = other.y + this.height/2 + other.height; //y坐标最大距离
  
        int herox = this.x + this.width/2;               //英雄机x坐标中心点距离
        int heroy = this.y + this.height/2;              //英雄机y坐标中心点距离
  
        return herox>x1 && herox<x2 && heroy>y1 && heroy<y2;   //区间范围内为撞上了
    }
  
}
游戏启动主类
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import java.awt.Font;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Arrays;
import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import java.awt.image.BufferedImage;
  
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
  
public class ShootGame extends JPanel {
    public static final int WIDTH = 400; // 面板宽
    public static final int HEIGHT = 654; // 面板高
    /** 游戏的当前状态: START RUNNING PAUSE GAME_OVER */
    private int state;
    private static final int START = 0;
    private static final int RUNNING = 1;
    private static final int PAUSE = 2;
    private static final int GAME_OVER = 3;
  
    private int score = 0; // 得分
    private Timer timer; // 定时器
    private int intervel = 1000 / 100; // 时间间隔(毫秒)
  
    public static BufferedImage background;
    public static BufferedImage start;
    public static BufferedImage airplane;
    public static BufferedImage bee;
    public static BufferedImage bullet;
    public static BufferedImage hero0;
    public static BufferedImage hero1;
    public static BufferedImage pause;
    public static BufferedImage gameover;
  
    private FlyingObject[] flyings = {}; // 敌机数组
    private Bullet[] bullets = {}; // 子弹数组
    private Hero hero = new Hero(); // 英雄机
  
    static { // 静态代码块，初始化图片资源
        try {
            background = ImageIO.read(ShootGame.class
                    .getResource("background.png"));
            start = ImageIO.read(ShootGame.class.getResource("start.png"));
            airplane = ImageIO
                    .read(ShootGame.class.getResource("airplane.png"));
            bee = ImageIO.read(ShootGame.class.getResource("bee.png"));
            bullet = ImageIO.read(ShootGame.class.getResource("bullet.png"));
            hero0 = ImageIO.read(ShootGame.class.getResource("hero0.png"));
            hero1 = ImageIO.read(ShootGame.class.getResource("hero1.png"));
            pause = ImageIO.read(ShootGame.class.getResource("pause.png"));
            gameover = ImageIO
                    .read(ShootGame.class.getResource("gameover.png"));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
  
    /** 画 */
    @Override
    public void paint(Graphics g) {
        g.drawImage(background, 0, 0, null); // 画背景图
        paintHero(g); // 画英雄机
        paintBullets(g); // 画子弹
        paintFlyingObjects(g); // 画飞行物
        paintScore(g); // 画分数
        paintState(g); // 画游戏状态
    }
  
    /** 画英雄机 */
    public void paintHero(Graphics g) {
        g.drawImage(hero.getImage(), hero.getX(), hero.getY(), null);
    }
  
    /** 画子弹 */
    public void paintBullets(Graphics g) {
        for (int i = 0; i < bullets.length; i++) {
            Bullet b = bullets[i];
            g.drawImage(b.getImage(), b.getX() - b.getWidth() / 2, b.getY(),
                    null);
        }
    }
  
    /** 画飞行物 */
    public void paintFlyingObjects(Graphics g) {
        for (int i = 0; i < flyings.length; i++) {
            FlyingObject f = flyings[i];
            g.drawImage(f.getImage(), f.getX(), f.getY(), null);
        }
    }
  
    /** 画分数 */
    public void paintScore(Graphics g) {
        int x = 10; // x坐标
        int y = 25; // y坐标
        Font font = new Font(Font.SANS_SERIF, Font.BOLD, 22); // 字体
        g.setColor(new Color(0xFF0000));
        g.setFont(font); // 设置字体
        g.drawString("SCORE:" + score, x, y); // 画分数
        y=y+20; // y坐标增20
        g.drawString("LIFE:" + hero.getLife(), x, y); // 画命
    }
  
    /** 画游戏状态 */
    public void paintState(Graphics g) {
        switch (state) {
        case START: // 启动状态
            g.drawImage(start, 0, 0, null);
            break;
        case PAUSE: // 暂停状态
            g.drawImage(pause, 0, 0, null);
            break;
        case GAME_OVER: // 游戏终止状态
            g.drawImage(gameover, 0, 0, null);
            break;
        }
    }
  
    public static void main(String[] args) {
        JFrame frame = new JFrame("Fly");
        ShootGame game = new ShootGame(); // 面板对象
        frame.add(game); // 将面板添加到JFrame中
        frame.setSize(WIDTH, HEIGHT); // 设置大小
        frame.setAlwaysOnTop(true); // 设置其总在最上
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 默认关闭操作
        frame.setIconImage(new ImageIcon("images/icon.jpg").getImage()); // 设置窗体的图标
        frame.setLocationRelativeTo(null); // 设置窗体初始位置
        frame.setVisible(true); // 尽快调用paint
  
        game.action(); // 启动执行
    }
  
    /** 启动执行代码 */
    public void action() {
        // 鼠标监听事件
        MouseAdapter l = new MouseAdapter() {
            @Override
            public void mouseMoved(MouseEvent e) { // 鼠标移动
                if (state == RUNNING) { // 运行状态下移动英雄机--随鼠标位置
                    int x = e.getX();
                    int y = e.getY();
                    hero.moveTo(x, y);
                }
            }
  
            @Override
            public void mouseEntered(MouseEvent e) { // 鼠标进入
                if (state == PAUSE) { // 暂停状态下运行
                    state = RUNNING;
                }
            }
  
            @Override
            public void mouseExited(MouseEvent e) { // 鼠标退出
                if (state == RUNNING) { // 游戏未结束，则设置其为暂停
                    state = PAUSE;
                }
            }
  
            @Override
            public void mouseClicked(MouseEvent e) { // 鼠标点击
                switch (state) {
                case START:
                    state = RUNNING; // 启动状态下运行
                    break;
                case GAME_OVER: // 游戏结束，清理现场
                    flyings = new FlyingObject[0]; // 清空飞行物
                    bullets = new Bullet[0]; // 清空子弹
                    hero = new Hero(); // 重新创建英雄机
                    score = 0; // 清空成绩
                    state = START; // 状态设置为启动
                    break;
                }
            }
        };
        this.addMouseListener(l); // 处理鼠标点击操作
        this.addMouseMotionListener(l); // 处理鼠标滑动操作
  
        timer = new Timer(); // 主流程控制
        timer.schedule(new TimerTask() {
            @Override
            public void run() {
                if (state == RUNNING) { // 运行状态
                    enterAction(); // 飞行物入场
                    stepAction(); // 走一步
                    shootAction(); // 英雄机射击
                    bangAction(); // 子弹打飞行物
                    outOfBoundsAction(); // 删除越界飞行物及子弹
                    checkGameOverAction(); // 检查游戏结束
                }
                repaint(); // 重绘，调用paint()方法
            }
  
        }, intervel, intervel);
    }
  
    int flyEnteredIndex = 0; // 飞行物入场计数
  
    /** 飞行物入场 */
    public void enterAction() {
        flyEnteredIndex++;
        if (flyEnteredIndex % 40 == 0) { // 400毫秒生成一个飞行物--10*40
            FlyingObject obj = nextOne(); // 随机生成一个飞行物
            flyings = Arrays.copyOf(flyings, flyings.length + 1);
            flyings[flyings.length - 1] = obj;
        }
    }
  
    /** 走一步 */
    public void stepAction() {
        for (int i = 0; i < flyings.length; i++) { // 飞行物走一步
            FlyingObject f = flyings[i];
            f.step();
        }
  
        for (int i = 0; i < bullets.length; i++) { // 子弹走一步
            Bullet b = bullets[i];
            b.step();
        }
        hero.step(); // 英雄机走一步
    }
  
    /** 飞行物走一步 */
    public void flyingStepAction() {
        for (int i = 0; i < flyings.length; i++) {
            FlyingObject f = flyings[i];
            f.step();
        }
    }
  
    int shootIndex = 0; // 射击计数
  
    /** 射击 */
    public void shootAction() {
        shootIndex++;
        if (shootIndex % 30 == 0) { // 300毫秒发一颗
            Bullet[] bs = hero.shoot(); // 英雄打出子弹
            bullets = Arrays.copyOf(bullets, bullets.length + bs.length); // 扩容
            System.arraycopy(bs, 0, bullets, bullets.length - bs.length,
                    bs.length); // 追加数组
        }
    }
  
    /** 子弹与飞行物碰撞检测 */
    public void bangAction() {
        for (int i = 0; i < bullets.length; i++) { // 遍历所有子弹
            Bullet b = bullets[i];
            bang(b); // 子弹和飞行物之间的碰撞检查
        }
    }
  
    /** 删除越界飞行物及子弹 */
    public void outOfBoundsAction() {
        int index = 0; // 索引
        FlyingObject[] flyingLives = new FlyingObject[flyings.length]; // 活着的飞行物
        for (int i = 0; i < flyings.length; i++) {
            FlyingObject f = flyings[i];
            if (!f.outOfBounds()) {
                flyingLives[index++] = f; // 不越界的留着
            }
        }
        flyings = Arrays.copyOf(flyingLives, index); // 将不越界的飞行物都留着
  
        index = 0; // 索引重置为0
        Bullet[] bulletLives = new Bullet[bullets.length];
        for (int i = 0; i < bullets.length; i++) {
            Bullet b = bullets[i];
            if (!b.outOfBounds()) {
                bulletLives[index++] = b;
            }
        }
        bullets = Arrays.copyOf(bulletLives, index); // 将不越界的子弹留着
    }
  
    /** 检查游戏结束 */
    public void checkGameOverAction() {
        if (isGameOver()==true) {
            state = GAME_OVER; // 改变状态
        }
    }
  
    /** 检查游戏是否结束 */
    public boolean isGameOver() {
  
        for (int i = 0; i < flyings.length; i++) {
            int index = -1;
            FlyingObject obj = flyings[i];
            if (hero.hit(obj)) { // 检查英雄机与飞行物是否碰撞
                hero.subtractLife(); // 减命
                hero.setDoubleFire(0); // 双倍火力解除
                index = i; // 记录碰上的飞行物索引
            }
            if (index != -1) {
                FlyingObject t = flyings[index];
                flyings[index] = flyings[flyings.length - 1];
                flyings[flyings.length - 1] = t; // 碰上的与最后一个飞行物交换
  
                flyings = Arrays.copyOf(flyings, flyings.length - 1); // 删除碰上的飞行物
            }
        }
  
        return hero.getLife() <= 0;
    }
  
    /** 子弹和飞行物之间的碰撞检查 */
    public void bang(Bullet bullet) {
        int index = -1; // 击中的飞行物索引
        for (int i = 0; i < flyings.length; i++) {
            FlyingObject obj = flyings[i];
            if (obj.shootBy(bullet)) { // 判断是否击中
                index = i; // 记录被击中的飞行物的索引
                break;
            }
        }
        if (index != -1) { // 有击中的飞行物
            FlyingObject one = flyings[index]; // 记录被击中的飞行物
  
            FlyingObject temp = flyings[index]; // 被击中的飞行物与最后一个飞行物交换
            flyings[index] = flyings[flyings.length - 1];
            flyings[flyings.length - 1] = temp;
  
            flyings = Arrays.copyOf(flyings, flyings.length - 1); // 删除最后一个飞行物(即被击中的)
  
            // 检查one的类型(敌人加分，奖励获取)
            if (one instanceof Enemy) { // 检查类型，是敌人，则加分
                Enemy e = (Enemy) one; // 强制类型转换
                score += e.getScore(); // 加分
            } else { // 若为奖励，设置奖励
                Award a = (Award) one;
                int type = a.getType(); // 获取奖励类型
                switch (type) {
                case Award.DOUBLE_FIRE:
                    hero.addDoubleFire(); // 设置双倍火力
                    break;
                case Award.LIFE:
                    hero.addLife(); // 设置加命
                    break;
                }
            }
        }
    }
  
    /**
     * 随机生成飞行物
     *
     * @return 飞行物对象
     */
    public static FlyingObject nextOne() {
        Random random = new Random();
        int type = random.nextInt(20); // [0,20)
        if (type < 4) {
            return new Bee();
        } else {
            return new Airplane();
        }
    }
  
}

[代码运行效果截图]


游戏


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