Android手游2048核心功能

 private void swipeUp(){ //向上滑动函数
         for (int x = 0; x < 4; x++) { //行从上到下
             for (int y = 0; y < 4; y++) { //列从左到右
                 for (int y1 = y+1; y1 < 4; y1++) { //当前方块的下一个向底遍历
                     if (Matrix[x][y1].getNum()>0) { //如果遍历过程中有非空方块（即有数字），则执行操作
                         if (Matrix[x][y].getNum()<=0) { //如果当前方块是空值，则将遍历到的非空方块移动到当前方块
                             int yoy =y1 - y; //移动的步距值
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy); //-yoy为负数，即相对于0，在y方向产生向上移动yoy步距的动画
                             ta.setDuration(100); //动画持续时间
                             Matrix[x][y1].startAnimation(ta); //演示动画
                             Matrix[x][y].setNum(Matrix[x][y1].getNum()); //设置当前方块值，移动成功
                             Matrix[x][y1].setNum(0); //将遍历到的方块值清零，即不显示
                             y--; //break后重新从当前方块的下一个重新开始遍历，等待一次寻找到相同值且合并的机会                           
                                break; //break后重新从当前方块的下一个重新开始遍历，等待一次寻找到相同值且合并的机会
                         }else if (Matrix[x][y].equals(Matrix[x][y1])) { //如果当前方块的值与遍历到的方块值相等
                             int yoy =y1 - y; //移动的步距值
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy); //-yoy为负数，即相对于0，在y方向产生向上移动yoy步距的动画
                             ta.setDuration(100); //动画持续时间
                             Matrix[x][y1].startAnimation(ta); //演示动画
                             Matrix[x][y].setNum(Matrix[x][y1].getNum()*2); //设置当前方块值为两倍，即两方块相加
                             Matrix[x][y1].setNum(0); //将遍历到的方块清零，即不显示                             
                                break; //完成相加后，从下一个方块开始完成新一轮操作
                         }else {
                             break; //如果当前方块的值与遍历到的方块值不相等，则从下一个方块开始完成新一轮操作
                         }
                     }
                 }
             }
         }
     }

     private void swipeDown(){ //向下滑动函数
         for (int x = 0; x < 4; x++) {
             for (int y = 3; y >= 0; y--) {
                 for (int y1 = y-1; y1 >= 0; y1--) {
                     if (Matrix[x][y1].getNum()>0) {
                         if (Matrix[x][y].getNum()<=0) {
                             int yoy =y1 - y;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy);
                             ta.setDuration(100);
                             Matrix[x][y1].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x][y1].getNum());
                             Matrix[x][y1].setNum(0);
                             y++;                         
                                break;
                         }else if (Matrix[x][y].equals(Matrix[x][y1])) {
                             int yoy =y1 - y;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy);
                             ta.setDuration(100);
                             Matrix[x][y1].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x][y1].getNum()*2);
                             Matrix[x][y1].setNum(0);                           
                                break;
                         }else {
                             break;
                         }
                     }
                 }
             }
         }
     }

     private void swipeLeft(){ //向左滑动函数
         for (int y = 0; y < 4; y++) {
             for (int x = 0; x < 4; x++) {
                 for (int x1 = x+1; x1 < 4; x1++) {
                     if (Matrix[x1][y].getNum()>0) {
                         if (Matrix[x][y].getNum()<=0) {
                             int xox =x1 - x;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
                             ta.setDuration(100);
                             Matrix[x1][y].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x1][y].getNum());
                             Matrix[x1][y].setNum(0);
                             x--;                            
                                break;
                         }else if (Matrix[x][y].equals(Matrix[x1][y])) {
                             int xox =x1 - x;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
                             ta.setDuration(100);
                             Matrix[x1][y].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x1][y].getNum()*2);
                             Matrix[x1][y].setNum(0);                            
                                break;
                         }else {
                             break;
                         }
                     }
                 }
             }
         }
     }

     private void swipeRight(){ //向右滑动函数
         for (int y = 0; y < 4; y++) {
             for (int x = 3; x >= 0; x--) {
                 for (int x1 = x-1; x1 >= 0; x1--) {
                     if (Matrix[x1][y].getNum()>0) {
                         if (Matrix[x][y].getNum()<=0) {
                             int xox =x1 - x;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
                             ta.setDuration(100);
                             Matrix[x1][y].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x1][y].getNum());
                             Matrix[x1][y].setNum(0);
                             x++;                           
                                break;
                         }else if (Matrix[x][y].equals(Matrix[x1][y])) {
                             int xox =x1 - x;
                             ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
                                     Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
                             ta.setDuration(100);
                             Matrix[x1][y].startAnimation(ta);
                             Matrix[x][y].setNum(Matrix[x1][y].getNum()*2);
                             Matrix[x1][y].setNum(0);                            
                                break;
                         }else {
                             break;
                         }
                     }
                 }
             }
         }
     }