手机游戏设计案例代源码.doc

***********MenuMID import javax.microedition.lcdui.Display; import javax.microedition.midlet.MIDlet; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* * MenuMID为MIDlet主程序 */ public class MenuMID extends MIDlet{ private Display display; private MenuCanvas canvas; //声明画布对象canvas private MainCanvas mcanvas; public MenuMID(){ display = Display.getDisplay(this); //获取Display canvas=null; mcanvas=null; LoadMenu(); //载入菜单 } protected void startApp(){ } protected void pauseApp() { } protected void destroyApp(boolean arg0) { } /* 退出程序 */ public void exit() { System.gc(); //清理垃圾 destroyApp(false); notifyDestroyed(); } /* LoadMenu()函数用于创建菜单画布，并设置为当前显示对象*/ public void LoadMenu(){ canvas=null; canvas=new MenuCanvas(this); //创建菜单对象canvas display.setCurrent(canvas); //设置canvas为当前显示对象 } /* LoadMainCanvas()函数用于创建游戏主画布，并设置为当前显示对象*/ public void LoadMainCanvas(){ canvas=null; if(mcanvas==null) //如果没有创建游戏主画布，则先创建 mcanvas=new MainCanvas(this); display.setCurrent(mcanvas); } } **************MainCanvas import javax.microedition.lcdui.Canvas; import javax.microedition.lcdui.Graphics; /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /* * MainCanvas实现程序主画面 */ public class MainCanvas extends Canvas { private MenuMID mid; //声明MIDlet对象，以方便调用MIDlet /* 构造函数中，将MenuMID作为参数传入 */ public MainCanvas(MenuMID midlet){ super(); this.setFullScreenMode(true); //设置为全屏模式 mid=midlet; //将传入的MenuMID赋给mid } /* 绘图 */ protected void paint(Graphics g) { //填充背景 g.setColor(0x00ffffff); g.fillRect(0, 0, getWidth(), getHeight());