模拟飞翔的小鸟android版 文档二

这节主要是处理水管移动，以级水管与小鸟碰撞检测

水管manager

/** * 为了水管图片拉申会变形，采取了从一张大长管图片载取一部分（包括圆头），长直部分载取，这样圆头就不会变形 * 先保存一张800*50的长圆管，然后获取变量temp，从而得出要载取图片的大小 * @author Administrator * */public class ObstacleManager {Context mContext;Bitmap bitmap_up, bitmap_down;float top, mScreenWidth, mScreenHeight;float left1, left2, left3, left4;float temp1,temp2,temp3,temp4;int bitmap_Obstacle_Width, bitmap_Obstacle_Height;RectF rectF1, rectF2, rectF3, rectF4, rectF5, rectF6, rectF7, rectF8;Rect rect1,rect2,rect3,rect4,rect5,rect6,rect7,rect8;boolean isImpact1,isImpact2,isImpact3,isImpact4,isImpact5,isImpact6,isImpact7,isImpact8;Random random = new Random();int randomMax;int speedNum = 5;Timer timer = new Timer(true);BirdManager birdManager;boolean isPlay = true;public ObstacleManager(Context context, float screenWidth,float screenHeight) {birdManager = MyGameView.getPlayerManager();mContext = context;mScreenWidth = screenWidth;mScreenHeight = screenHeight;left1 = mScreenWidth;left2 = mScreenWidth + mScreenWidth / 3;left3 = mScreenWidth + mScreenWidth *2/ 3;//left4 = mScreenWidth + mScreenWidth;top = 0;randomMax = (int) (mScreenHeight/100);System.out.println("randomMax="+randomMax);temp1 = mScreenHeight/2;temp2 = mScreenHeight/2-100;temp3 = mScreenHeight/2+250;temp4 = mScreenHeight/2-200;bitmap_down = BitmapFactory.decodeResource(context.getResources(),R.drawable.downl);bitmap_up = BitmapFactory.decodeResource(context.getResources(),R.drawable.upl);bitmap_Obstacle_Width = bitmap_down.getWidth();bitmap_Obstacle_Height = bitmap_down.getHeight();rect1 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp1), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect2 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp1-100);rect3 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp2), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect4 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp2-100);rect5 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp3), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect6 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp3-100);//rect7 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp4), bitmap_Obstacle_Width, bitmap_Obstacle_Height);//rect8 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp4-100);timer.schedule(task, 30000, 30000);}//绘制障碍物，即圆柱public void drawObstacle(Canvas canvas) {// System.out.println("drawDownObstacle");if (left1 > -bitmap_Obstacle_Width) {rectF1 = new RectF(left1, top, left1 + bitmap_Obstacle_Width,mScreenHeight - temp1);rectF2 = new RectF(left1, mScreenHeight - temp1 + 100, left1+ bitmap_Obstacle_Width, mScreenHeight);isImpact1 = PengZhuang.isPengZhuang(left1, top, left1 + bitmap_Obstacle_Width, mScreenHeight - temp1,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());isImpact2 = PengZhuang.isPengZhuang(left1, mScreenHeight - temp1 + 100, left1+ bitmap_Obstacle_Width, mScreenHeight,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());} else {System.out.println("1号柱子过界归原");left1 = mScreenWidth;temp1 = (random.nextInt(randomMax)+1)*100;System.out.println("temp1="+temp1);rect1 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp1), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect2 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp1-100);}if (left2 > -bitmap_Obstacle_Width) {rectF3 = new RectF(left2, top, left2 + bitmap_Obstacle_Width,mScreenHeight - temp2);rectF4 = new RectF(left2, mScreenHeight - temp2 + 100, left2+ bitmap_Obstacle_Width, mScreenHeight);isImpact3 = PengZhuang.isPengZhuang(left2, top, left2 + bitmap_Obstacle_Width, mScreenHeight - temp2,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());isImpact4 = PengZhuang.isPengZhuang(left2, mScreenHeight - temp2 + 100, left2+ bitmap_Obstacle_Width, mScreenHeight,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());} else {System.out.println("2号柱子过界归原");left2 = mScreenWidth;temp2 = (random.nextInt(randomMax)+1)*100;rect3 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp2), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect4 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp2-100);}if (left3 > -bitmap_Obstacle_Width) {rectF5 = new RectF(left3, top, left3 + bitmap_Obstacle_Width,mScreenHeight - temp3);rectF6 = new RectF(left3, mScreenHeight - temp3 + 100, left3+ bitmap_Obstacle_Width, mScreenHeight);isImpact5 = PengZhuang.isPengZhuang(left3, top, left3 + bitmap_Obstacle_Width, mScreenHeight - temp3,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());isImpact6 = PengZhuang.isPengZhuang(left3, mScreenHeight - temp3 + 100, left3+ bitmap_Obstacle_Width, mScreenHeight,birdManager.getLeft(),birdManager.getTop(),birdManager.getRight(),birdManager.getBottom());} else {System.out.println("3号柱子过界归原");left3 = mScreenWidth;temp3 = (random.nextInt(randomMax)+1)*100;rect5 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp3), bitmap_Obstacle_Width, bitmap_Obstacle_Height);rect6 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp3-100);}//如果有一个碰撞=true,游戏结束if(isImpact1 || isImpact2 || isImpact3 || isImpact4 || isImpact5 || isImpact6){isPlay = false;birdManager.setIsPlay(false);}//if (left4 > -bitmap_Obstacle_Width) {//rectF7 = new RectF(left4, top, left4 + bitmap_Obstacle_Width,//mScreenHeight - temp4);//rectF8 = new RectF(left4, mScreenHeight - temp4 + 100, left4//+ bitmap_Obstacle_Width, mScreenHeight);//} else {//System.out.println("4号柱子过界归原");//left4 = mScreenWidth;//temp4 = (random.nextInt(randomMax)+1)*100;//rect7 = new Rect(0, bitmap_Obstacle_Height-(int)(mScreenHeight - temp4), bitmap_Obstacle_Width, bitmap_Obstacle_Height);//rect8 = new Rect(0, 0, bitmap_Obstacle_Width, (int)temp4-100);////}canvas.drawBitmap(bitmap_down, rect1, rectF1, null);canvas.drawBitmap(bitmap_up, rect2, rectF2, null);canvas.drawBitmap(bitmap_down, rect3, rectF3, null);canvas.drawBitmap(bitmap_up, rect4, rectF4, null);canvas.drawBitmap(bitmap_down, rect5, rectF5, null);canvas.drawBitmap(bitmap_up, rect6, rectF6, null);//canvas.drawBitmap(bitmap_down, rect7, rectF7, null);//canvas.drawBitmap(bitmap_up, rect8, rectF8, null);if(isPlay){left1 = left1 - speedNum;left2 = left2 - speedNum;left3 = left3 - speedNum;//left4 = left4 - 15;}}TimerTask task = new TimerTask(){public void run() {System.out.println("执行task--run");speedNum = speedNum+2;}};}

碰撞manager

/*四方体碰撞检测 * 1、通过A，B两个四方体的2个坐标比较，可以检测到是否碰撞 * Ax1<BX2 && Ay1<By2 && Ax2>BX1 && Ay2>By1 * 即是A的start点，比B的end点小 *    A的end点，比B的start点大 *    符合以上两个条件，就表示碰撞上了 * */public class PengZhuang {public static boolean isPengZhuang(float x1,float y1,float x2,float y2,float x3,float y3,float x4,float y4){if(x1<x4 && y1<y4 && x2>x3 && y2>y3){return true;}return false;}}