1 private void swipeUp(){ //向上滑动函数
3 for (int x = 0; x < 4; x++) { //行从上到下
4 for (int y = 0; y < 4; y++) { //列从左到右
5 for (int y1 = y+1; y1 < 4; y1++) { //当前方块的下一个向底遍历
6 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
7 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
9 int yoy =y1 - y; //移动的步距值
10 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
11 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
12 ta.setDuration(100); //动画持续时间
13 Matrix[x][y1].startAnimation(ta); //演示动画
15 Matrix[x][y].setNum(Matrix[x][y1].getNum()); //设置当前方块值，移动成功
16 Matrix[x][y1].setNum(0); //将遍历到的方块值清零，即不显示
17 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
20 }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
22 int yoy =y1 - y; //移动的步距值
23 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
24 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
25 ta.setDuration(100); //动画持续时间
26 Matrix[x][y1].startAnimation(ta); //演示动画
28 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
29 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
33 }else {
34 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
35 }
36 }
37 }
38 }
39 }
41 }
42
43 private void swipeDown(){ //向下滑动函数
45 for (int x = 0; x < 4; x++) {
46 for (int y = 3; y >= 0; y--) {
47 for (int y1 = y-1; y1 >= 0; y1--) {
48 if (Matrix[x][y1].getNum()>0) {
49 if (Matrix[x][y].getNum()<=0) {
51 int yoy =y1 - y;
52 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
53 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy);
54 ta.setDuration(100);
55 Matrix[x][y1].startAnimation(ta);
57 Matrix[x][y].setNum(Matrix[x][y1].getNum());
58 Matrix[x][y1].setNum(0);
59 y++;
break;
62 }else if (Matrix[x][y].equals(Matrix[x][y1])) {
64 int yoy =y1 - y;
65 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0,
66 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-yoy);
67 ta.setDuration(100);
68 Matrix[x][y1].startAnimation(ta);
70 Matrix[x][y].setNum(Matrix[x][y1].getNum()*2);
71 Matrix[x][y1].setNum(0);
break;
75 }else {
76 break;
77 }
78 }
79 }
80 }
81 }
83 }
84
85 private void swipeLeft(){ //向左滑动函数
87 for (int y = 0; y < 4; y++) {
88 for (int x = 0; x < 4; x++) {
89 for (int x1 = x+1; x1 < 4; x1++) {
90 if (Matrix[x1][y].getNum()>0) {
91 if (Matrix[x][y].getNum()<=0) {
93 int xox =x1 - x;
94 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
95 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
96 ta.setDuration(100);
97 Matrix[x1][y].startAnimation(ta);
99 Matrix[x][y].setNum(Matrix[x1][y].getNum());
100 Matrix[x1][y].setNum(0);
101 x--;
break;
104 }else if (Matrix[x][y].equals(Matrix[x1][y])) {
106 int xox =x1 - x;
107 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
108 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
109 ta.setDuration(100);
110 Matrix[x1][y].startAnimation(ta);
112 Matrix[x][y].setNum(Matrix[x1][y].getNum()*2);
113 Matrix[x1][y].setNum(0);
break;
117 }else {
118 break;
119 }
120 }
121 }
122 }
123 }
125 }
126
127 private void swipeRight(){ //向右滑动函数
129 for (int y = 0; y < 4; y++) {
130 for (int x = 3; x >= 0; x--) {
131 for (int x1 = x-1; x1 >= 0; x1--) {
132 if (Matrix[x1][y].getNum()>0) {
133 if (Matrix[x][y].getNum()<=0) {
135 int xox =x1 - x;
136 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
137 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
138 ta.setDuration(100);
139 Matrix[x1][y].startAnimation(ta);
141 Matrix[x][y].setNum(Matrix[x1][y].getNum());
142 Matrix[x1][y].setNum(0);
143 x++;
break;
146 }else if (Matrix[x][y].equals(Matrix[x1][y])) {
148 int xox =x1 - x;
149 ta = new TranslateAnimation(Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,-xox,
150 Animation.RELATIVE_TO_SELF,0, Animation.RELATIVE_TO_SELF,0);
151 ta.setDuration(100);
152 Matrix[x1][y].startAnimation(ta);
154 Matrix[x][y].setNum(Matrix[x1][y].getNum()*2);
155 Matrix[x1][y].setNum(0);
break;
159 }else {
160 break;
161 }
162 }
163 }
164 }
165 }
167 }
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