J2ME手机游戏设计案例源代码-SpaceWarBonus.docVIP

*GameMID/* author wizardyx */import javax.microedition.lcdui.Display;import javax.microedition.midlet.*;/* 游戏MIDlet */public class GameMID extends MIDlet private Display display; /声明Display private StartScreen startscreen; /声明启动画面对象 private FlashScreen flashscreen; /声明闪屏画面对象 private GameMenu gmenu; /声明菜单画面对象 private GameWorld gw; /声明游戏引擎框架 private GameMusic gm; /声明音效对象 public GameMID() display = Display.getDisplay(this); /获取Display gm=new GameMusic(); loadFlashScreen(); /加载闪屏画面 public void startApp() public void pauseApp() public void destroyApp(boolean unconditional) gmenu=null; flashscreen=null; startscreen=null; gm=null; GameMusic.releases(); System.gc(); /释放资源 /* 退出程序 */ public void exit() try destroyApp(false); catch(Exception e) notifyDestroyed(); /* 加载游戏启动画面 */ public void loadStartScreen() flashscreen=null; startscreen=null; startscreen=new StartScreen(this); /创建启动画面 display.setCurrent(startscreen); /设置启动画面为当前显示画面 /* 加载闪屏画面 */ public void loadFlashScreen() flashscreen=new FlashScreen(this); /创建闪屏 display.setCurrent(flashscreen); /设置闪屏画面为当前显示画面 /* 加载游戏菜单*/ public void loadGameMenu(int menuIndex) flashscreen=null; startscreen=null; if(gmenu=null) gmenu = new GameMenu(this); /创建菜单 gmenu.setMenuIndex(menuIndex); /设置当前菜单项 display.setCurrent(gmenu); /设置菜单画面为当前显示画面 /* 加载游戏主界面 */ public void loadGameWorld() gmenu=null; if(gw=null) gw = new GameWorld(this); /创建游戏引擎画布 display.setCurrent(gw); /设置游戏引擎画布为当前显示画面 gw.start(); *Bonus/* author wiardyx */import java.util.Vector;import javax.microedition.lcdui.Graphics;import javax.microedition.lcdui.Image;import javax.microedition.lcdui.game.Sprite;/* 宝物奖励类 */public class Bonus protected Vector v; /存储奖励数据private Image bonus; /奖励宝物图像 private Sprite sprPower,sprResult,sprBlood; /奖励精灵，分别为子弹威力、加分和加血 private int width,height; /精灵运动范围 /* 构造奖励对象 */public Bonus()width = GameWorld.ScreenWidth;height = GameWorld.ScreenHeight;v = new Vector(); /创建Vector /创建奖励精灵trybonus = Image.createImage(/bonus.png); sprPower=new Sprite(Image.createImage(bonus, 0, 0, 36,12, Sprite.TRANS_NONE),12,12); sprResult=new Sprite(Image.createImage(bonus, 36, 0, 24,12, Sprite.TRANS_NONE),12,12); sprBlood=new Sprite(Image.createImage(bonus, 60, 0, 24,12, Sprite.TRANS_NONE),12,12); catch(Exception ex) ex.printStackTrace(); /* 在坐标x,y创建奖励对象,type代表奖励的种类 */protected void addBonus(int x,int y,int type)int b_x=x;int b_y=y;int t = type;int BonusData=b_x,b_y,t; /设置奖励数据v.addElement(BonusData); /将奖励数据加到v /* 释放资源 */protected void releaseResourece() v.removeAllElements();bonus = null; sprPower=null; sprResult=null; sprBlood=null; /* 更新数据 */protected void update(Plane plane)int BonusData = null;for(int i=0;iheight) /如果坐标超出范围则删除v.removeElementAt(i);elsev.setElementAt(BonusData,i); /重设奖励数据 /按类型计算奖励的运行效果switch(BonusData2-1) case 0:/计算弹药 sprPower.setPosition(BonusData0, BonusData1); /设置位置 sprPower.nextFrame(); /移动帧 /检查是否与玩家飞机相撞 if( sprPower.collidesWith(plane,false) if(plane.getBullet().getBulletPower()0) /检查玩家飞机是否存活 sprBlood.setPosition(BonusData0, BonusData1); /设置位置 sprBlood.nextFrame(); /移动帧 /检查是否与玩家飞机相撞 if( sprBlood.collidesWith(plane,false) plane.setLifes(plane.getLifes()+30); /加生命 if(plane.getLifes()100) /检查生命值是否大于100 plane.setLifes(100); v.removeElementAt(i); /移除 break; /* 绘制奖励 */protected void Paint(Graphics g)int BonusData = null; /循环获取奖励对象，并绘制for(int i=0;iv.size();i+) BonusData = (int)(v.elementAt(i);switch(BonusData2)case 1:/绘制子弹威力奖励sprPower.paint(g);break;case 2: /绘制加分奖励sprResult.paint(g);break;case 3: /绘制补血奖励sprBlood.paint(g);break;*Bulletimport java.io.IOException;import 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. */* * * author Administrator */public class Bullet Plane plane; /玩家飞机 Sprite sprbullet; /子弹精灵 Image imgbullet; /子弹图像 private int bulletPower; private int bulletSpeed =4; /子弹速度 private int shootTimes; /子弹发射计时 private int bulletStay=15; /子弹发射间隔时间 public Vector v; /子弹矢量 public Bullet(Plane plane) try imgbullet = Image.createImage(/mybullet.png); /子弹图像 catch (IOException ex) ex.printStackTrace(); sprbullet=new Sprite(imgbullet,imgbullet.getWidth(),imgbullet.getHeight(); /创建子弹精灵 sprbullet.defineReferencePixel(imgbullet.getWidth()/2, imgbullet.getHeight()/2);/设置参考点 this.plane=plane; /引用玩家飞机 v = new Vector(); /创建存储子弹数据的Vector shootTimes=0; /初始化子弹发射间隔时间 /* 增加新子弹 */ public void addNew() /初始化子弹坐标为飞机坐标 int p_x=plane.getX()+plane.getWidth()/2; int p_y=plane.getY(); /根据子弹威力级别，添加不同的子弹 switch(bulletPower) case 1: int a = p_x-5,p_y,0; /一级子弹数据 int b = p_x+5,p_y,0; v.addElement(a); /添加子弹数据到v中 v.addElement(b); break; case 2: int a = p_x-8,p_y+5,0; /二级子弹数据 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; /三级子弹数据 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_x-8,p_y,0; /四级子弹数据 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 = p_x-4,p_y,0; /五级子弹数据 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.addElement(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; /* 删除指定的子弹 */ public void delBullet(int i) if(iv.size() v.removeElementAt(i); /* 绘制子弹 */public void render(Graphics g)int row=null; /循环绘制子弹for(int i=0;i0 & shootTimes%bulletStay=0) addNew(); /增加子弹 shootTimes=0; /重置子弹发射时间 for(int i=v.size()-1;i=0;i-)bulletData = (int)v.elementAt(i); /获取子弹数据bulletData0=bulletData0+2*bulletData2; /计算子弹X坐标bulletData1-=bulletSpeed; /按子弹速度计算Y坐标 /检查子弹是否超出屏幕 if(bulletData10 | bulletData0240) delBullet(i); /当子弹超出屏幕范围，删除子弹 else v.setElementAt(bulletData, i); /更新子弹数据 /* 子弹碰撞检测 */ public int collidesWith(Sprite spr) int n=0; /初始化碰撞次数 int bulletData = null; /初始化子弹数据数组 for(int i=v.size()-1;i=0;i-)bulletData = (int)v.elementAt(i); /获取子弹数据 sprbullet.setRefPixelPosition(bulletData0,bulletData1); /设置子弹精灵位置 /当子弹发生碰撞，删除子弹，并记入碰撞次数 if(sprbullet.collidesWith(spr,false) delBullet(i); n+; return n; /返回碰撞次数 public void Release() v.removeAllElements(); v=null; imgbullet=null; sprbullet=null; *Enemyimport java.io.IOException;import java.util.Random;import 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. */* * * author wizardyx */* 敌人飞机*/public class Enemy private GameLevel glevel; /关卡对象 private Image imgEnemy; /飞机类型图像 private Sprite sprEnemy; /飞机类型精灵数组 private int path1; /飞行路径数据 private int path2; private int path3; private int path4; private int planeInfo; /敌机数据 private int stayTimes; /当前敌机的停留时间private int num; /下一个要显示在屏幕上的敌机的索引值private Vector v; /v存放当前需要显示敌人的数据数组private Random r; /随机数，用于计算子弹随机发射 private EnemyBullet ebullet; /敌机子弹 Bonus bonus; /奖励 /* 构造方法*/ public Enemy(GameLevel glevel) initImage(); initLevelResource(); this.glevel=glevel; /* 初始化图像和精灵*/ private void initImage() imgEnemy=new Image5; try imgEnemy0 = Image.createImage(/plane0.png);/小飞机图像 imgEnemy1 = Image.createImage(/plane1.png);/直升机图像 imgEnemy2 = Image.createImage(/plane2.png);/霰弹机图像 imgEnemy3 = Image.createImage(/turret.png);/Boss机炮塔图像 imgEnemy4 = Image.createImage(/boss.png);/Boss机图像 catch (IOException ex) ex.printStackTrace(); sprEnemy=new Sprite5; sprEnemy0=new Sprite(imgEnemy0 ,16,16);/小飞机精灵 sprEnemy1=new Sprite(imgEnemy1 ,26,35);/直升机精灵 sprEnemy2=new Sprite(imgEnemy2 ,64,50);/霰弹机精灵 sprEnemy3=new Sprite(imgEnemy3 ,15,20);/Boss机炮塔精灵 sprEnemy4=new Sprite(imgEnemy4 ,64,40);/Boss机精灵 /设置各个精灵的参考点 sprEnemy0.defineReferencePixel(sprEnemy0.getWidth()/2,sprEnemy0.getHeight()/2 ); sprEnemy1.defineReferencePixel(sprEnemy1.getWidth()/2,sprEnemy1.getHeight()/2 ); sprEnemy2.defineReferencePixel(sprEnemy2.getWidth()/2,sprEnemy2.getHeight()/2 ); sprEnemy3.defineReferencePixel(sprEnemy3.getWidth()/2,sprEnemy3.getHeight()/2 ); sprEnemy4.defineReferencePixel(sprEnemy4.getWidth()/2,sprEnemy4.getHeight()/2 ); /* 初始化关卡资源 */ private void initLevelResource() v = new Vector(); r = new Random(); /路径数据，数组中每个元素记录了该路径点的X坐标，Y坐标，帧ID，停留时间 path2=new int200,0,0,0,200,100,0,50,100,100,0,0,200,200,0,20,200,300,0,0; path3=new int20,0,0,0,20,100,0,0,200,100,0,0,200,200,0,0,200,300,0,0; path1=new int0,0,0,0,100,0,2,0,100,100,4,0,200,200,3,0,240,100,2,0; path4=new int0,0,0,0,100,0,0,0,100,100,0,0,200,50,0,0,100,100,0,0; /飞机数据，数组中每个元素记录了飞机的类别，初始x坐标，初始y坐标，目标点索引，图像帧，速度，间隔/停留时间，路径索引，生命值，飞机所带宝物编号 planeInfo=new int 0,0,0,0,0,2,0,0,2,1,0,0,0,0,0,2,10,0,2,2,0,0,0,0,0,2,10,0,2,3,0,0,0,0,0,2,10,0,2,0, 1,-20,0,0,0,2,0,1,10,1,1,0,0,0,0,2,100,1,10,2,1,0,0,0,0,2,120,1,10,3,1,0,0,0,0,2,120,1,10,1, 2,0,0,0,0,2,0,2,15,1,2,0,0,0,0,2,100,2,15,0,2,0,0,0,0,2,100,2,15,0,2,0,0,0,0,2,100,2,15,2, 0,0,0,0,0,2,0,0,2,1,0,0,0,0,0,2,10,0,2,2,0,0,0,0,0,2,10,0,2,3,0,0,0,0,0,2,10,0,2,1, 1,-20,0,0,0,2,0,1,10,0,1,0,0,0,0,2,100,1,10,0,1,0,0,0,0,2,120,1,10,0,1,0,0,0,0,2,120,1,10,1, 2,0,0,0,0,2,0,2,15,0,2,0,0,0,0,2,20,2,15,0,2,0,0,0,0,2,20,2,15,0,2,0,0,0,0,2,20,2,15,2, 4,0,0,0,0,1,0,4,200,0 ; stayTimes=0; /初始化飞机停留时间为0 num = 0; /初始化下一个要显示在屏幕上的飞机的索引值为0 ebullet=new EnemyBullet(); /创建子弹 bonus=new Bonus(); /创建奖励对象 /* 从敌机数据数组