JME手機游戲設計案例源代碼SpaceWar_Plane

1、*GameMID/* author wizardyx */import javax.microedition.lcdui.Display;import javax.microedition.midlet.*;/* 游戲MIDlet */public class GameMID extends MIDlet private Display display; /聲明Display private StartScreen startscreen; /聲明啟動畫面對象 private FlashScreen flashscreen; /聲明閃屏畫面對象 private GameMenu gmenu;

2、/聲明菜單畫面對象 private GameWorld gw; /聲明游戲引擎框架 private GameMusic gm; /聲明音效對象 public GameMID() display = Display.getDisplay(this); /獲取Display gm=new GameMusic(); loadFlashScreen(); /加載閃屏畫面 public void startApp() public void pauseApp() public void destroyApp(boolean unconditional) gmenu=null; flashscreen=n

3、ull; startscreen=null; gm=null; GameMusic.releases(); System.gc(); /釋放資源 /* 退出程序 */ public void exit() try destroyApp(false); catch(Exception e) notifyDestroyed(); /* 加載游戲啟動畫面 */ public void loadStartScreen() flashscreen=null; startscreen=null; startscreen=new StartScreen(this); /創(chuàng)建啟動畫面 display.setC

4、urrent(startscreen); /設置啟動畫面為當前顯示畫面 /* 加載閃屏畫面 */ public void loadFlashScreen() flashscreen=new FlashScreen(this); /創(chuàng)建閃屏 display.setCurrent(flashscreen); /設置閃屏畫面為當前顯示畫面 /* 加載游戲菜單*/ public void loadGameMenu(int menuIndex) flashscreen=null; startscreen=null; if(gmenu=null) gmenu = new GameMenu(this); /

5、創(chuàng)建菜單 gmenu.setMenuIndex(menuIndex); /設置當前菜單項 display.setCurrent(gmenu); /設置菜單畫面為當前顯示畫面 /* 加載游戲主界面 */ public void loadGameWorld() gmenu=null; if(gw=null) gw = new GameWorld(this); /創(chuàng)建游戲引擎畫布 display.setCurrent(gw); /設置游戲引擎畫布為當前顯示畫面 gw.start(); *Bullet/* author wizardyx */import java.io.IOException;imp

6、ort java.util.Vector;import javax.microedition.lcdui.Graphics;import javax.microedition.lcdui.Image;import javax.microedition.lcdui.game.Sprite;/* * To change this template, choose Tools | Templates * and open the template in the editor. */* 玩家子彈類 */public class Bullet Plane plane; /玩家飛機 Sprite sprb

7、ullet; /子彈精靈 Image imgbullet; /子彈圖像 private int bulletPower; private int bulletSpeed =4; /子彈速度 private int shootTimes; /子彈發(fā)射計時 private int bulletStay=15; /子彈發(fā)射間隔時間 public Vector v; /子彈向量 public Bullet(Plane plane) try imgbullet = Image.createImage(/mybullet.png); /子彈圖像 catch (IOException ex) ex.prin

8、tStackTrace(); sprbullet=new Sprite(imgbullet,imgbullet.getWidth(),imgbullet.getHeight(); /創(chuàng)建子彈精靈 sprbullet.defineReferencePixel(imgbullet.getWidth()/2, imgbullet.getHeight()/2);/設置參考點 this.plane=plane; /引用玩家飛機 v = new Vector(); /創(chuàng)建存儲子彈數據的Vector shootTimes=0; /初始化子彈發(fā)射間隔時間 /* 增加新子彈 */ public void add

9、New() /初始化子彈坐標為飛機坐標 int p_x=plane.getX()+plane.getWidth()/2; int p_y=plane.getY(); /根據子彈威力級別，添加不同的子彈 switch(bulletPower) case 1: /前兩個參數是子彈的當前坐標，第3個參數是子彈在水平方向上的速度 int a = p_x-5,p_y,0; /一級子彈數據 int b = p_x+5,p_y,0; v.addElement(a); /添加子彈數據到v中 v.addElement(b); break; case 2: int a = p_x-8,p_y+5,0; /二級子彈

10、數據 int b = p_x,p_y,0; int c = p_x+8,p_y+5,0; v.addElement(a); v.addElement(b); v.addElement(c); break; case 3: int a = p_x-8,p_y+5,-1; /三級子彈數據 int b = p_x-5,p_y,0; int c = p_x+5,p_y,0; int d = p_x+8,p_y+5,1; v.addElement(a); v.addElement(b); v.addElement(c); v.addElement(d); break; case 4: int a = p

11、_x-8,p_y,0; /四級子彈數據 int b = p_x+8,p_y,0; int c = p_x,p_y,0; int d = p_x-10,p_y+8,-1; int e = p_x+10,p_y+8,1; int f = p_x-14,p_y+8,-1; int g = p_x+14,p_y+8,1; v.addElement(a); v.addElement(b); v.addElement(c); v.addElement(d); v.addElement(e); v.addElement(f); v.addElement(g); break; case 5: int a =

12、p_x-4,p_y,0; /五級子彈數據 int b = p_x,p_y,0; int c = p_x+4,p_y,0; int d = p_x-6,p_y+6,-1; int e = p_x+6,p_y+6,1; int f = p_x-10,p_y+8,-1; int g = p_x+10,p_y+8,1; int h = p_x-10,p_y+10,-2; int i = p_x+10,p_y+10,2; int j = p_x-14,p_y+12,-2; int k = p_x+14,p_y+12,2; v.addElement(a); v.addElement(b); v.addEl

13、ement(c); v.addElement(d); v.addElement(e); v.addElement(f); v.addElement(g); v.addElement(h); v.addElement(i); v.addElement(j); v.addElement(k); break; /* 刪除指定的子彈 */ public void delBullet(int i) if(iv.size() v.removeElementAt(i); /* 繪制子彈 */public void render(Graphics g)int row=null; /循環(huán)繪制子彈for(int

14、i=0;i0 & shootTimes%bulletStay=0) addNew(); /增加子彈 shootTimes=0; /重置子彈發(fā)射時間 for(int i=v.size()-1;i=0;i-)bulletData = (int)v.elementAt(i); /獲取子彈數據bulletData0=bulletData0+2*bulletData2; /計算子彈X坐標bulletData1-=bulletSpeed; /按子彈速度計算Y坐標 /檢查子彈是否超出屏幕 if(bulletData10 | bulletData0240) delBullet(i); /當子彈超出屏幕范圍，刪

15、除子彈 else v.setElementAt(bulletData, i); /更新子彈數據 /* 子彈碰撞檢測 */ public int collidesWith(Sprite spr) int n=0; /初始化碰撞次數 int bulletData = null; /初始化子彈數據數組 for(int i=v.size()-1;i=0;i-)bulletData = (int)v.elementAt(i); /獲取子彈數據 sprbullet.setRefPixelPosition(bulletData0,bulletData1); /設置子彈精靈位置 /當子彈發(fā)生碰撞，刪除子彈，并

16、記入碰撞次數 if(sprbullet.collidesWith(spr,false) delBullet(i); n+; return n; /返回碰撞次數 public void Release() v.removeAllElements(); v=null; imgbullet=null; sprbullet=null; *FlashScreenimport java.io.IOException;import java.util.Timer;import java.util.TimerTask;import javax.microedition.lcdui.Canvas;import

17、javax.microedition.lcdui.Graphics;import javax.microedition.lcdui.Image;/* * To change this template, choose Tools | Templates * and open the template in the editor. */* * * author Wizardyx */* 閃屏畫面 */public class FlashScreen extends Canvas GameMID mid; Image img; private Timer timer; /聲明定時器 private

18、 TimerTask task; /聲明定時器任務 /* 構造方法 */ public FlashScreen(GameMID mid) this.mid=mid; try img = Image.createImage(/logo.png); catch (IOException ex) ex.printStackTrace(); FlashTimer(); /閃屏計時 repaint(); /繪制閃屏畫面 /釋放資源 public void release() img=null; /*按鍵事件處理，按任意鍵均加載游戲菜單畫面*/ protected void keyPressed(int

19、keyCode) super.keyPressed(keyCode); timer.cancel(); release(); mid.loadGameMenu(1);/加載游戲菜單 /*繪制閃屏畫面*/ protected void paint(Graphics g) g.drawImage(img,0, 0, Graphics.TOP|Graphics.LEFT); /* 閃屏畫面計時 */ private void FlashTimer() timer = new Timer(); /創(chuàng)建定時器task = new TimerTask() /創(chuàng)建定時任務 private int times

20、=0; /計時變量 public void run() times+; /task任務計時，每次增加100ms（下面任務啟動中定義） if(times10) /3000ms后，自動加載游戲啟動界面 release(); mid.loadStartScreen(); /加載游戲啟動界面 timer.cancel(); ; /啟動task任務，在0ms后開始，每隔300ms運行一次 timer.schedule(task, 0,300); *GameDesign/* * To change this template, choose Tools | Templates * and open the

21、 template in the editor. */import javax.microedition.midlet.*;import javax.microedition.lcdui.*;import javax.microedition.lcdui.game.*;import java.io.IOException;/* * author Administrator */public class GameDesign /GEN-BEGIN:|fields|0| private Image bgTiles; private TiledLayer background; private Ti

22、ledLayer Meteorite; /GEN-END:|fields|0| /GEN-BEGIN:|methods|0| /GEN-END:|methods|0| public Image getBgTiles() throws java.io.IOException /GEN-BEGIN:|1-getter|0|1-preInit if (bgTiles = null) /GEN-END:|1-getter|0|1-preInit / write pre-init user code here bgTiles = Image.createImage(/bgTiles.png);/GEN-

23、BEGIN:|1-getter|1|1-postInit /GEN-END:|1-getter|1|1-postInit / write post-init user code here return this.bgTiles;/GEN-BEGIN:|1-getter|2| /GEN-END:|1-getter|2| public TiledLayer getBackground() throws java.io.IOException /GEN-BEGIN:|2-getter|0|2-preInit if (background = null) /GEN-END:|2-getter|0|2-

24、preInit / write pre-init user code here background = new TiledLayer(8, 20, getBgTiles(), 32, 32);/GEN-BEGIN:|2-getter|1|2-midInit int tiles = 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3,

25、 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 , 1, 2, 3,

26、 3, 3, 3, 4, 1 , 1, 2, 3, 3, 3, 3, 4, 1 ;/GEN-END:|2-getter|1|2-midInit / write mid-init user code here for (int row = 0; row 20; row+) /GEN-BEGIN:|2-getter|2|2-postInit for (int col = 0; col 8; col+) background.setCell(col, row, tilesrowcol); /GEN-END:|2-getter|2|2-postInit / write post-init user code here return background;/GEN-BEGIN:|2-getter|3| /GEN-END:|2-getter|3| public TiledLayer getMeteorite() th