像素鸟（flapybird）的简单实现

项目下载地址 http://download.csdn.net/detail/u010184245/9004137

MainActivity.java

public class MainActivity extends Activity {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);GameSurface surface=new GameSurface(MainActivity.this); setContentView(surface);}}

GameSurface.java

public class GameSurface extends SurfaceView implements Callback{public  static boolean flag=true;public static boolean isFlag() {return flag;}public static void setFlag(boolean flag) {GameSurface.flag = flag;}SurfaceHolder holder;private Paint paint;private boolean isRunning;Canvas canvas;private Background background;private Bird bird;Context context;private Bound bound;private int count1=0;private Bitmap bitmap;public GameSurface(Context context) {super(context);// TODO Auto-generated constructor stubholder=getHolder();holder.addCallback(this);paint = new Paint();bird = new Bird(context);background = new Background(context);this.context=context;bound=new Bound(context);}@Overridepublic void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {// TODO Auto-generated method stub}@Overridepublic void surfaceCreated(SurfaceHolder arg0) {// TODO Auto-generated method stubbitmap = new BitmapFactory().decodeResource(context.getResources(), R.drawable.faill);isRunning=true;flag=true;new startThread().start(); }@Overridepublic void surfaceDestroyed(SurfaceHolder arg0) {// TODO Auto-generated method stubisRunning=false;flag=true;}class startThread extends Thread{@Overridepublic void run() {while(isRunning){canvas = holder.lockCanvas();if (canvas == null)continue;canvas.drawColor(0xFFFFFFFF);draw(canvas);faill(canvas, paint, flag);logic();if (canvas != null)holder.unlockCanvasAndPost(canvas);try {sleep(10);} catch (InterruptedException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}public void draw(Canvas canvas){background.draw(canvas, paint);bird.draw(canvas, paint,count1);count1++;bound.draw(canvas, paint);if(bound.isCollection(bird)){bird.setFlag(false);background.setFlag(false);bound.setFlag(false);flag=false;}}public void logic(){background.logic();bird.logic();bound.logic();}public boolean onTouchEvent(MotionEvent event) {bird.move();return true;}public void faill(Canvas canvas,Paint paint,Boolean flag){if(flag){}else{canvas.drawBitmap(bitmap, 200-bitmap.getWidth()/2, 300-bitmap.getHeight()/2, paint);}}}

Bound.java

public class Bound {private int x=830;private int y_down=380,y_up=-200;private int speed=10;private Bitmap bound_down;private Bitmap bound_up;private boolean flag=true;public boolean isFlag() {return flag;}public void setFlag(boolean flag) {this.flag = flag;}public Bound(Context context) {super();bound_down = BitmapFactory.decodeResource(context.getResources(),R.drawable.bound_down);bound_up = BitmapFactory.decodeResource(context.getResources(),R.drawable.bound_up);}public int getX() {return x;}public void setX(int x) {this.x = x;}public void draw(Canvas canvas,Paint paint){canvas.drawBitmap(bound_down, x, y_down, paint);canvas.drawBitmap(bound_up, x, y_up, paint);}public void setY(int y_down) {this.y_down = 800-y_down;y_up=180-y_down;}public void logic(){if(flag){x-=speed;if(x<-68){x=480;while(true){int height=(int)(Math.random()*400);if(height>180){setY(height);break;}}}}else{}}//碰撞检测public boolean isCollection(Bird bird){int left=200;int right=200+bird.getBitmap().getWidth();int top=bird.getY();int bottom=bird.getY()+bird.getBitmap().getHeight();//左边if(rightreturn false;//右边if(x+bound_down.getWidth()return false;//上边if(bottomy_up+420)return false;return true;}}

Bird.java

public class Bird {private int x=200,y=400,speed=0;Context context;private Bitmap bitmap,bitmap2,bitmap3;private boolean flag=true;public Bird(Context context) {super();this.context=context;bitmap= BitmapFactory.decodeResource(context.getResources(), R.drawable.bird_blue_0);bitmap2= BitmapFactory.decodeResource(context.getResources(), R.drawable.bird_blue_1);bitmap3= BitmapFactory.decodeResource(context.getResources(), R.drawable.bird_blue_2);}public Bitmap getBitmap() {return bitmap;}public void setBitmap(Bitmap bitmap) {this.bitmap = bitmap;}public void draw(Canvas canvas,Paint paint,int count1){if(speed>0)canvas.drawBitmap(bitmap, 200, y, paint);else{switch(count1%3){case 0:canvas.drawBitmap(bitmap, 200, y, paint);break;case 1:canvas.drawBitmap(bitmap2, 200, y, paint);break;case 2:canvas.drawBitmap(bitmap3, 200, y, paint);}}}public int getY() {return y;}public void setY(int y) {this.y = y;}public void logic(){if(flag){y+=speed;speed++;if(y<0)y=0;if(y>700){GameSurface.flag=false;}}else{speed=20;y+=speed;speed++;}}public boolean isFlag() {return flag;}public void setFlag(boolean flag) {this.flag = flag;}public void move(){speed=-13;}public int getX() {return x;}public void setX(int x) {this.x = x;}}

Backgroud.java

public class Background {private int x = 0, x2 = 400;private int speed;Context context;private Bitmap bitmap;private boolean flag = true;public Background(Context context) {super();this.context = context;speed = 10;bitmap = new BitmapFactory().decodeResource(context.getResources(),R.drawable.background);}public void draw(Canvas canvas, Paint paint) {canvas.drawBitmap(bitmap, x, 0, paint);canvas.drawBitmap(bitmap, x2, 0, paint);}public void logic() {if (flag) {x -= speed;x2 -= speed;if (x < -400)x = 400;if (x2 < -400)x2 = 400;} else {}}public boolean isFlag() {return flag;}public void setFlag(boolean flag) {this.flag = flag;}}

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