1. 程式人生 > >[Java] java打飛機小遊戲

[Java] java打飛機小遊戲

新手剛接觸java 程式設計,做一個打飛機的小遊戲。有什麼不對或有錯誤的地方請各位大神指出。
   
     
   完整程式碼:
敵飛機:
 

[Java] 純文字檢視 複製程式碼

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import java.util.Random;

 

 

 敵飛機: 是飛行物,也是敵人

 

public class Airplane extends FlyingObject implements Enemy {

    private int speed = 3//移動步驟

 

    /** 初始化資料 */

    public Airplane(){

        this

.image = ShootGame.airplane;

        width = image.getWidth();

        height = image.getHeight();

        y = -height;         

        

Random rand = new Random();

        x = rand.nextInt(ShootGame.WIDTH - width);

    }

 

    /** 獲取分數 */

    @Override

    public int getScore() { 

        return 5;

    }

 

    /** //越界處理 */

    @Override

    public     boolean outOfBounds() {  

        return y>ShootGame.HEIGHT;

    }

 

    /** 移動 */

    @Override

    public void step() {  

        y += speed;

    }

 

}



分數

[Java] 純文字檢視 複製程式碼

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/**

 * 獎勵

 */ 

public interface Award { 

    int DOUBLE_FIRE = 0//雙倍火力 

    int LIFE = 1;   //1條命 

    /** 獲得獎勵型別(上面的0或1) */ 

    int getType(); 

}



蜜蜂

[Java] 純文字檢視 複製程式碼

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import java.util.Random;  /** 蜜蜂 */  public class Bee extends FlyingObject implements Award{      private int xSpeed = 1;   //x座標移動速度      private int ySpeed = 2;   //y座標移動速度      private int awardType;    //獎勵型別      /** 初始化資料 */      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);   //初始化時給獎勵      }      /** 獲得獎勵型別 */      public int getType(){          return awardType;      }      /** 越界處理 */      @Override      public boolean outOfBounds() {          return y>ShootGame.HEIGHT;      }      /** 移動,可斜著飛 */      @Override      public void step() {                x += xSpeed;          y += ySpeed;          if(x > ShootGame.WIDTH-width){                xSpeed = -1;          }          if(x < 0){              xSpeed = 1;          }      }  }


子彈

[Java] 純文字檢視 複製程式碼

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/**

 * 子彈類:是飛行物

 */ 

public class Bullet extends FlyingObject { 

    private int speed = 3//移動的速度 

 

    /** 初始化資料 */ 

    public Bullet(int x,int y){ 

        this.x = x; 

        this.y = y; 

        this.image = ShootGame.bullet; 

    

 

    /** 移動 */ 

    @Override 

    public void step(){    

        y-=speed; 

    

 

    /** 越界處理 */ 

    @Override 

    public boolean outOfBounds() { 

        return y<-height; 

    

 

}


敵人的分數

[Java] 純文字檢視 複製程式碼

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/**

 * 敵人,可以有分數

 */ 

public interface Enemy { 

    /** 敵人的分數  */ 

    int getScore(); 

}



飛行物

[Java] 純文字檢視 複製程式碼

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import java.awt.image.BufferedImage; 

 

/**

 * 飛行物(敵機,蜜蜂,子彈,英雄機)

 */ 

public abstract class FlyingObject { 

    protected int x;    //x座標 

    protected int y;    //y座標 

    protected int width;    //寬 

    protected int height;   //高 

    protected BufferedImage image;   //圖片 

 

    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; 

    

 

    /**

     * 檢查是否出界

     * [url=home.php?mod=space&uid=155549]@Return[/url] true 出界與否

     */ 

    public abstract boolean outOfBounds(); 

 

    /**

     * 飛行物移動一步

     */ 

    public abstract void step(); 

 

    /**

     * 檢查當前飛行物體是否被子彈(x,y)擊(shoot)中

     * @param Bullet 子彈物件

     * @return true表示被擊中了

     */ 

    public boolean shootBy(Bullet bullet){ 

        int x = bullet.x;  //子彈橫座標 

        int y = bullet.y;  //子彈縱座標 

        return this.x<x && x<this.x+width && this.y<y && y<this.y+height; 

    

 

}



英雄機

[Java] 純文字檢視 複製程式碼

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import java.awt.image.BufferedImage; 

 

/**

 * 英雄機:是飛行物

 */ 

public class Hero extends FlyingObject{ 

 

    private BufferedImage[] images = {};  //英雄機圖片 

    private int index = 0;                //英雄機圖片切換索引 

 

    private int doubleFire;   //雙倍火力 

    private int life;   //命 

 

    /** 初始化資料 */ 

    public Hero(){ 

        life = 3;   //初始3條命 

        doubleFire = 0;   //初始火力為0 

        images = new BufferedImage[]{ShootGame.hero0, ShootGame.hero1}; //英雄機圖片陣列 

        image = ShootGame.hero0;   //初始為hero0圖片 

        width = image.getWidth(); 

        height = image.getHeight(); 

        x = 150

        y = 400

    

 

    /** 獲取雙倍火力 */ 

    public int isDoubleFire() { 

        return doubleFire; 

    

 

    /** 設定雙倍火力 */ 

    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++; 

    

 

    /** 減命 */ 

    public void subtractLife(){   //減命 

        life--; 

    

 

    /** 獲取命 */ 

    public int getLife(){ 

        return life; 

    

 

    /** 當前物體移動了一下,相對距離,x,y滑鼠位置  */ 

    public void moveTo(int x,int y){    

        this.x = x - width/2

        this.y = y - height/2

    

 

    /** 越界處理 */ 

    @Override 

    public boolean outOfBounds() { 

        return false;   

    

 

    /** 發射子彈 */ 

    public Bullet[] shoot(){    

        int xStep = width/4;      //4半 

        int yStep = 20//步 

        if(doubleFire>0){  //雙倍火力 

            Bullet[] bullets = new Bullet[2]; 

            bullets[0] = new Bullet(x+xStep,y-yStep);  //y-yStep(子彈距飛機的位置) 

            bullets[1] = new Bullet(x+3*xStep,y-yStep); 

            return bullets; 

        }else{      //單倍火力 

            Bullet[] bullets = new Bullet[1]; 

            bullets[0] = new Bullet(x+2*xStep,y-yStep);   

            return bullets; 

        

    

 

    /** 移動 */ 

    @Override 

    public void step() { 

        if(images.length>0){ 

            image = images[index++/10%images.length];  //切換圖片hero0,hero1 

        

    

 

    /** 碰撞演算法 */ 

    public boolean hit(FlyingObject other){ 

 

        int x1 = other.x - this.width/2;                 //x座標最小距離 

        int x2 = other.x + this.width/2 + other.width;   //x座標最大距離 

        int y1 = other.y - this.height/2;                //y座標最小距離 

        int y2 = other.y + this.height/2 + other.height; //y座標最大距離 

 

        int herox = this.x + this.width/2;               //英雄機x座標中心點距離 

        int heroy = this.y + this.height/2;              //英雄機y座標中心點距離 

 

        return herox>x1 && herox<x2 && heroy>y1 && heroy<y2;   //區間範圍內為撞上了 

    

 

}



遊戲啟動主類
 

[Java] 純文字檢視 複製程式碼

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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; // 面板寬 

    public static final int HEIGHT = 654; // 面板高 

    /** 遊戲的當前狀態: 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; // 定時器 

    private int intervel = 1000 / 100; // 時間間隔(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 = {}; // 敵機陣列 

    private Bullet[] bullets = {}; // 子彈陣列 

    private Hero hero = new Hero(); // 英雄機 

 

    static { // 靜態程式碼塊,初始化圖片資源 

        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"));