实例8--《很幼稚的‘小’鸡快跑》
? 实例8--《小鸡快跑》，原书用的是java me 提供的sprite,我使用的我自己写的androidSprite。没什么好说的，很幼稚，但是还是要发，我要实现自己的承诺。下面给出效果图:
?mainView.java
package com.wjh.demon_7;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.SurfaceHolder.Callback;public class MainView extends SurfaceView implements Callback,Runnable{Thread gameThread = null;boolean isGame = true;SurfaceHolder holder = null;//具体游戏相关public AndroidSprite m_CockSprite;//小鸡精灵public Bitmap m_BackImg;//背景图像//画笔public Paint backPaint = null;public Paint forePaint = null;public MainView(Context context) {super(context);// TODO Auto-generated constructor stubsetFocusable(true);getHolder().addCallback(this);holder = this.getHolder();// 具体游戏相关代码m_BackImg= BitmapFactory.decodeResource(getResources(), R.drawable.back);Bitmap image = BitmapFactory.decodeResource(getResources(), R.drawable.cock); //创建小鸡精灵m_CockSprite = new AndroidSprite( image, 95, 85 );//设置精灵当前显示的“帧”编号m_CockSprite.setFrame( 0 ); }@Overridepublic void run() {// TODO Auto-generated method stubwhile(isGame){input();logic();doDraw();try {Thread.sleep(50);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}//开始游戏主线程public void start(){//getWidth与getHeight可分别获取屏幕的宽度和高度int nPosX = getWidth();int nPosY = getHeight() - 90;//设置精灵左上角的位置m_CockSprite.setPosition( nPosX , nPosY );// 新建画笔backPaint = new Paint();backPaint.setColor(Color.BLACK);forePaint = new Paint();forePaint.setColor(Color.WHITE);m_BackImg = Bitmap.createScaledBitmap(m_BackImg, getWidth(),getHeight(), false);if(gameThread == null){gameThread = new Thread(this);gameThread.start();}}//停止游戏主线程public void stop(){isGame = false;if(gameThread != null){try {gameThread.join();} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}//输入判断public void input(){}//逻辑判断public void logic(){int n = m_CockSprite.getFrame();n ++;//getFrameSequenceLength可获取精灵图像中“帧”的个数if( n >= m_CockSprite.getFrameSequenceLength() )n = 0;m_CockSprite.setFrame(n);//设置精灵的位置,如果精灵超出屏幕左侧,则让精灵从右侧重新出现int nPosX = m_CockSprite.getX();int nPosY = m_CockSprite.getY();nPosX -= 6;if( nPosX < -95 )nPosX = getWidth();m_CockSprite.setPosition( nPosX, nPosY );}public void doDraw(){Canvas c = null;try{c = holder.lockCanvas();synchronized (holder) {paint(c);}}finally{if(c != null){holder.unlockCanvasAndPost(c);}}}//画图public void paint(Canvas canvas){//用黑色清屏canvas.drawRect(0, 0, getWidth(), getHeight(), backPaint);canvas.drawBitmap(m_BackImg, 0, 0,forePaint);//显示精灵的当前“帧”m_CockSprite.paint(canvas,forePaint);}@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {// TODO Auto-generated method stub}@Overridepublic void surfaceCreated(SurfaceHolder holder) {// TODO Auto-generated method stubstart();}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {// TODO Auto-generated method stubstop();}}?apk文件(将后缀改为apk):Demon_7.zip
源代码:Demon_7.rar
1 楼 mengqingshan 2011-06-08 很有启发意义 学习了 2 楼 一口三个汉堡 2011-06-08 mengqingshan 写道很有启发意义 学习了