J2ME手机游戏设计案例源代码GameEngineRecord

1、*gamemid。java/* * to change this template, choose tools | templates * and open the template in the editor. */import javax.microedition.lcdui.display;import javax.microedition.midlet.*;/* * author administrator */public class gamemid extends midlet private display display; private gameworld gw=null;

2、public gamemid() display = display.getdisplay(this); /获取display gw=new gameworld(this); /创建游戏画布 display.setcurrent(gw); /设置游戏画布为当前显示画面 public void startapp() if(gw!=null) gw.start(); /游戏开始执行 public void pauseapp() if(gw!=null)gw.setpaused(true); /游戏暂停执行 public void destroyapp(boolean unconditional)

3、if(gw!=null)gw.stop(); /停止游戏循环 /* 退出程序 */ public void exit() try destroyapp(false); catch(exception e) notifydestroyed(); *gamedesign。java/* * to change this template, choose tools | templates * and open the template in the editor. */import javax.microedition.midlet.*;import javax.microedition.lcdui

4、.*;import javax.microedition.lcdui.game.*;import java.io.ioexception;/* * author administrator */public class gamedesign /gen-begin:|fields|0| private image tiledbg2; private image tiledbg; public int fireseq001delay = 200; public int fireseq001 = 34, 35, 36, 35; private tiledlayer background; publi

5、c int firebackground; private tiledlayer build; /gen-end:|fields|0| /gen-begin:|methods|0| /gen-end:|methods|0| public image gettiledbg() throws java.io.ioexception /gen-begin:|1-getter|0|1-preinit if (tiledbg = null) /gen-end:|1-getter|0|1-preinit / write pre-init user code here tiledbg = image.cre

6、ateimage(/tiled.png);/gen-begin:|1-getter|1|1-postinit /gen-end:|1-getter|1|1-postinit / write post-init user code here return this.tiledbg;/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 = nul

7、l) /gen-end:|2-getter|0|2-preinit / write pre-init user code here background = new tiledlayer(20, 20, gettiledbg(), 32, 32);/gen-begin:|2-getter|1|2-midinit firebackground = background.createanimatedtile(fireseq0010); int tiles = 2, 2, 1, 2, 2, 2, 2, 17, firebackground, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

8、 2 , 2, 2, 2, 2, 2, 2, 2, 26, 11, 11, 2, 1, 6, 2, 2, 2, 2, 2, 2, 2 , 10, 10, 10, 12, 7, 2, 2, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 , 2, 2, firebackground, 17, 2, 2, 2, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 , 6, 2, 2, 17, 2, 2, 2, 17, 2, 7, 3, 2, 2, 2, 2, 2, 3, 2, 2, 2 , 2, 2, 2, 17, 2, 2, 2, 17,

9、2, 2, 2, 2, 2, 2, 2, 2, 17, 2, 2, 2 , 2, 2, 2, 19, 11, 11, 11, 18, 11, 10, 12, 2, 2, 2, 2, 2, 17, 2, 2, 2 , 2, 2, 2, 2, 2, 2, 2, 2, 2, firebackground, 17, 2, 2, 2, 2, 2, 17, 2, 2, 2 , 1, 2, 2, 2, 2, 2, 2, 6, 2, 2, 17, 2, 2, 2, 2, 2, 17, 2, 6, 2 , 3, 3, 3, 3, 7, 3, 3, 3, 3, 3, 17, 3, 1, 3, 3, 3, 17,

10、3, 3, 3 , 2, 6, firebackground, 2, 2, 2, 4, 4, 4, 4, 17, 4, 3, 3, 3, 3, 17, 3, 3, 3 , 2, 3, 9, 10, 10, 10, 10, 10, 10, 10, 18, 10, 10, 27, 10, 10, 18, 10, 10, 10 , 2, 2, 17, 2, 2, 2, 6, 4, 4, 4, 4, 4, 3, 17, 3, 3, 3, 3, 3, firebackground , 2, 2, 17, 2, 2, 2, 4, 4, 4, 4, 4, 4, 3, 17, 3, 1, 3, 3, 3, 3

11、 , 2, 2, 17, 2, 2, 2, 4, 4, 4, 4, 4, 4, 3, 26, 11, 11, 11, 3, 3, 3 , 2, 2, 17, 2, 2, 2, 4, 4, 4, 4, 4, 4, 3, 17, 3, 3, 3, 3, 3, 3 , 2, 2, 17, 2, 1, 2, 4, 4, 4, 4, 17, 4, 3, 17, 3, 3, 3, 3, 3, 3 , 2, 2, 17, firebackground, 2, 2, 4, 4, 4, 4, 19, 10, 10, 20, 3, 3, 3, 3, 3, 3 , 2, 2, 17, 2, 2, 2, 4, 7,

12、4, 4, 4, 3, 3, 3, 3, 6, 3, 3, 1, 3 , 6, 2, 17, 2, 2, 2, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3 ;/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 20; col+) background.setcell(col, row, tilesrowcol)

13、; /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 getbuild() throws java.io.ioexception /gen-begin:|6-getter|0|6-preinit if (build = null) /gen-end:|6-getter|0|6-preinit / write pre-init user code here

14、 build = new tiledlayer(20, 20, gettiledbg(), 32, 32);/gen-begin:|6-getter|1|6-midinit int tiles = 0, 0, 0, 14, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 22, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 29, 30, 13, 0, 0, 69, 70, 71, 72, 0, 0 , 0, 43,

15、0, 0, 0, 31, 32, 0, 0, 0, 0, 0, 0, 0, 77, 78, 79, 80, 0, 0 , 0, 51, 0, 0, 0, 39, 40, 0, 0, 0, 0, 0, 0, 0, 85, 86, 87, 88, 13, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 93, 94, 95, 96, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 14, 15,

16、0, 0, 0, 0, 0, 0 , 0, 37, 38, 0, 0, 0, 0, 44, 45, 46, 0, 0, 0, 31, 32, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 52, 53, 54, 0, 0, 0, 39, 40, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 60, 61, 62, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0

17、, 58, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 65, 66, 67, 68, 0, 0, 0, 0, 0, 0, 43, 0, 0 , 13, 0, 0, 0, 0, 0, 0, 73, 74, 75, 76, 0, 0, 0, 0, 0, 0, 51, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 81, 82, 83, 84, 0, 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 89, 90, 91, 92, 0, 0, 0, 0, 0, 0, 0, 0, 1

18、3 , 0, 16, 0, 0, 0, 0, 0, 14, 15, 0, 0, 0, 0, 0, 0, 0, 41, 42, 0, 0 , 0, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 49, 50, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ;/gen-end:|6-getter|1|6-midinit / write mid-init user code here for (int row = 0; row 20; row+) /gen-begin:

19、|6-getter|2|6-postinit for (int col = 0; col 20; col+) build.setcell(col, row, tilesrowcol); /gen-end:|6-getter|2|6-postinit / write post-init user code here return build;/gen-begin:|6-getter|3| /gen-end:|6-getter|3| public void updatelayermanagerforscene(layermanager lm) throws java.io.ioexception

20、/gen-line:|7-updatelayermanager|0|7-preupdate / write pre-update user code here getbuild().setposition(0, 0);/gen-begin:|7-updatelayermanager|1|7-postupdate getbuild().setvisible(true); lm.append(getbuild(); getbackground().setposition(0, 0); getbackground().setvisible(true); lm.append(getbackground

21、();/gen-end:|7-updatelayermanager|1|7-postupdate / write post-update user code here /gen-begin:|7-updatelayermanager|2|/gen-end:|7-updatelayermanager|2| public image gettiledbg2() throws java.io.ioexception /gen-begin:|17-getter|0|17-preinit if (tiledbg2 = null) /gen-end:|17-getter|0|17-preinit / wr

22、ite pre-init user code here tiledbg2 = image.createimage(/tiled.png);/gen-begin:|17-getter|1|17-postinit /gen-end:|17-getter|1|17-postinit / write post-init user code here return this.tiledbg2;/gen-begin:|17-getter|2| /gen-end:|17-getter|2| *gameworld。javaimport java.io.ioexception;import java.io.in

23、putstream;import java.util.date;import javax.microedition.lcdui.font;import javax.microedition.lcdui.graphics;import javax.microedition.lcdui.image;import javax.microedition.lcdui.game.gamecanvas;import javax.microedition.lcdui.game.layermanager;import javax.microedition.lcdui.game.sprite;import jav

24、ax.microedition.lcdui.game.tiledlayer;import javax.microedition.media.manager;import javax.microedition.media.mediaexception;import javax.microedition.media.player;import javax.microedition.media.control.volumecontrol;/* * to change this template, choose tools | templates * and open the template in

25、the editor. */* * * author administrator */public class gameworld extends gamecanvas implements runnable gamemid mid; /游戏midlet thread mainthread; /游戏主线程 private final int ms_per_frame=30; /设置一次游戏循环所需时间，单位为毫秒（ms），每秒游戏帧数约为1000/ms_per_frame private int cps; /游戏帧速 private boolean ispaused; /游戏暂停状态 priv

26、ate boolean running; /游戏运行状态 graphics g; /游戏绘图对象 private int screenwidth; /游戏屏幕宽度 private int screenheight; /游戏屏幕高度 public static int gamestate; /游戏状态,1为暂停，2为游戏进行中，3为游戏失败 public static int keystate; /按键状态 private image imgenemy,imgboy;/精灵图像 private sprite sprenemy; /定义敌人精灵 private mysprite sprboy; /

27、用扩展的精灵类来定义玩家精灵 /定义三个不同方向的玩家精灵帧序列，右方向可由左方向镜像变换得到 int lsequ=3,4,3,5; /定义左方向精灵帧序列 int usequ=6,7,6,8; /定义上方向精灵帧序列 int dsequ=0,1,0,2; /定义下方向精灵帧序列 int enemyx,enemyy; /敌人精灵坐标 int enemyspeedx; /敌人精灵速度,这里设置为只能水平移动 boolean iscoll; /碰撞标志 long colltexttime; /碰撞文本显示时间 gamedesign gd; /游戏设计器 layermanager lm; /图层管理

28、器 tiledlayer tlbg; /背景图层 tiledlayer tlbuild; /障碍物层 int fireindex; /动态贴图索引 int firetimes; /动态贴图延时 int viewportx, viewporty; /视口坐标 private final int min_buffer=30; /人物与贴图边缘的距离 private player pmusic,pcoll; /声明播放器 private inputstream inmenu,incoll; /声明输入流 private volumecontrol control; /声明音量控制器 private

29、int rsflag; /记录暂停时的动作/定义字体private font largefont=font.getfont(font.face_system,font.style_bold, font.size_large); private font mediumfont=font.getfont(font.face_system,font.style_bold, font.size_medium); public gameworld(gamemid midlet) super(true); this.mid=midlet; /获取midlet this.setfullscreenmode(

30、true); /设置为全屏模式 screenwidth=getwidth(); /获取屏幕大小 screenheight=getheight(); g=this.getgraphics(); /获取绘图对象 running=false; /设置游戏运行状态 ispaused=false; gameinit(); /游戏初始化 /* 游戏初始化 */ private void gameinit() gd=new gamedesign(); lm=new layermanager(); try tlbg = gd.getbackground(); tlbuild=gd.getbuild(); gd

31、.updatelayermanagerforscene(lm); catch (ioexception ex) ex.printstacktrace(); try imgboy = image.createimage(/boy.png); imgenemy=image.createimage(/enemy.png); catch (ioexception ex) ex.printstacktrace(); / 使用image对象，帧宽度、帧高度，速度，限制范围矩形左上角的x坐标、y坐标、高度和宽度来构造自定义精灵 sprboy=new mysprite(imgboy,32,48,3,min_b

32、uffer,min_buffer,screenwidth-min_buffer*2,screenheight-min_buffer*2); sprboy.setframesequence(lsequ); /设置初始化时的精灵帧序列和方向 sprboy.setdir( mysprite.left); /设置初始化时精灵方向 sprboy.definereferencepixel(sprboy.getwidth()/2, sprboy.getheight()/2); /设置参考点 sprboy.setrefpixelposition(100, 100); /通过参考点定位精灵 int sw=spr

33、boy.getwidth(); int sh=sprboy.getheight(); sprboy.definecollisionrectangle(sw/10, sh/10, sw*8/10,sh*8/10); /重设精灵的碰撞矩形范围为原来的80 /创建敌人精灵 sprenemy=new sprite(imgenemy,imgenemy.getwidth()/3,imgenemy.getheight()/3); sprenemy.setframesequence(lsequ); /设置精灵循环序列 enemyx=50; /设置敌人精灵的坐标 enemyy=200; enemyspeedx=

34、-2; /设置敌人精灵速度 gd=new gamedesign(); /创建游戏设计器 lm=new layermanager(); /创建层管理器，管理场景 try tlbg = gd.getbackground(); /创建背景贴图层 tlbuild=gd.getbuild(); /创建障碍物贴图层 gd.updatelayermanagerforscene(lm); /设置图层管理器 catch (ioexception ex) ex.printstacktrace(); lm.insert(sprboy,1); /添加精灵到场景中 lm.insert(sprenemy,2); view

35、portx=0; /初始化视口坐标 viewporty=0; /设置视口 lm.setviewwindow(viewportx, viewporty, screenwidth,screenheight); fireindex=0; /初始化动态贴图参数 firetimes=0; try inmenu = getclass().getresourceasstream(/music.mid); /创建音频流 pmusic = manager.createplayer(inmenu, audio/midi); /创建midi播放器 incoll = getclass().getresourceass

36、tream(/coll.wav); /创建音频流 pcoll = manager.createplayer(incoll, audio/x-wav); /创建wav播放器 catch (ioexception ex) ex.printstacktrace(); catch (mediaexception ex) ex.printstacktrace(); try pmusic.setloopcount(-1);/设置为循环播放pmusic.start(); /播放音频catch(exception e)e.printstacktrace(); /获得音量控制接口 control=(volume

37、control)pmusic.getcontrol(volumecontrol); control.setlevel(50); /设置音量大小 loadsence(); /加载场景数据 /* 游戏运行 */ public void run() int cyclesthissecond=0; /当前1秒内的循环次数 long cyclestarttime; /循环开始时间 long lastcpstime=0; /上次计算帧速的时间 long cycleendtime=0; /循环结束时间 long cycletimes=0; /一次游戏循环热所花的时间 boolean bskip = fals

38、e; /游戏是否跳帧 cps=0; system.out.println(游戏开始);/在控制台输出开始信息，可屏蔽 /* 游戏主循环 */ while(running) /检查是否运行 cyclestarttime = system.currenttimemillis();/记录游戏循环开始时间 / 下面语句用于处理游戏内容，如果游戏设置为跳帧, / 则本次循环不处理游戏内容 if(!bskip) gameinput(); /处理输入消息 gamecycle(); /处理游戏逻辑 render(g); /渲染游戏画面 flushgraphics(); /更新画面 /* 下面语句用于计算游戏循

39、环时间，并进行相应处理 */ cycleendtime=system.currenttimemillis(); /记录游戏循环结束时间 cycletimes=cycleendtime-cyclestarttime; /计算循环时间 /如果循环时间间隔小于ms_per_frame，则通过休眠，使其不小于rate, /并能让系统有空闲转去处理其他事务 if(cycletimes 1000) /检查距上次计算帧数的/时间是否经过1000ms lastcpstime=system.currenttimemillis(); /设定lastcps为当前时间 cps = cyclesthissecond;

40、/ system.out.println(cps：+cps); /输出每秒的帧数 cyclesthissecond = 0; /重置帧数 else cyclesthissecond+; /帧数递增 system.out.println(游戏结束！); release(); /释放资源 exit(); /退出游戏 /* 启动游戏进程 */ public void start() /检查游戏循环是否处于运行状态，如果未运行，则创建线程并启动 /如果游戏处于运行状态，则表示是暂停后的继续执行，仅设置暂停状态即可 if(!running) running=true; mainthread=new th

41、read(this); mainthread.start(); gamestate=2; else gamestate=2; setpaused(false); /退出游戏 private void exit() mid.exit(); /退出游戏 /* 停止游戏 */ public void stop() running=false; /终止游戏循环 /* 释放游戏资源 */ private void release() /此处为释放游戏资源的代码 try pmusic.stop();/停止音乐 pmusic.deallocate();/释放资源 pmusic.close();/关闭播放器 pcoll.stop();/停止音乐 pcoll.deallocate();/释放资源 pcoll.clo