Hello,我们又见啦,这篇我们将来分析一下游戏2048滑动上下左右相加逻辑的实现。
- 添加一个数组
我们需要借助数组,来实现这个逻辑功能。在HelloWorldScene.h中添加一个数组声明:
//创建一个卡片二位数组
CardSprite* cardArr;
- 把数字添加到数组中
还记得我们在创建卡片函数createCardSprite函数中得到的卡片card吗?现在,我们就把这个卡片加入到数组中:
//把卡片加入到数组中
cardArr* = card;*
- 添加具体的逻辑
(1)向左滑动函数的逻辑代码:
bool HelloWorld::doLeft(){
bool isdo = false;
for (int y = 0; y < 4; y++) {
for (int x = 0; x < 4; x++) {
for (int x1 = x + 1; x1 < 4; x1++) {
if (cardArr->getNumber() > 0) {
if (cardArr->getNumber() <= 0) {
cardArr->setNumber(cardArr->getNumber());
cardArr->setNumber(0);
x--;
isdo = true;
}else if(cardArr->getNumber() == cardArr->getNumber()){
cardArr->setNumber(cardArr->getNumber()*2);
cardArr->setNumber(0);
isdo = true;
}
break;
}
}
}
}
return isdo;
}
如果右边的数等于左边的数,那么左边的数乘以2,然后把右边的数设置为0,也就变为了空。
另外三个方向滑动的逻辑代码,也类似。
(2)向右滑动函数的逻辑代码:
bool HelloWorld::doRight(){
bool isdo = false;
for (int y = 0; y < 4; y++) {
for (int x = 3; x >= 0; x--) {
for (int x1 = x - 1; x1 >= 0; x1--) {
if (cardArr->getNumber() > 0) {
if (cardArr->getNumber() <= 0) {
cardArr->setNumber(cardArr->getNumber());
cardArr->setNumber(0);
x++;
isdo = true;
}else if(cardArr->getNumber() == cardArr->getNumber()){
cardArr->setNumber(cardArr->getNumber()*2);
cardArr->setNumber(0);
isdo = true;
}
break;
}
}
}
}
return isdo;
}
(3)向下滑动函数的逻辑代码:
bool HelloWorld::doDown(){
bool isdo = false;
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 4; y++) {
for (int y1 = y + 1; y1 < 4; y1++) {
if (cardArr->getNumber() > 0) {
if (cardArr->getNumber() <= 0) {
cardArr->setNumber(cardArr->getNumber());
cardArr->setNumber(0);
y--;
isdo = true;
}else if(cardArr->getNumber() == cardArr->getNumber()){
cardArr->setNumber(cardArr->getNumber()*2);
cardArr->setNumber(0);
isdo = true;
}
break;
}
}
}
}
return isdo;
}
(4)向上滑动函数的逻辑代码:
bool HelloWorld::doUp(){
bool isdo = false;
for (int x = 0; x < 4; x++) {
for (int y = 3; y >= 0; y--) {
for (int y1 = y - 1; y1 >= 0; y1--) {
if (cardArr->getNumber() > 0) {
if (cardArr->getNumber() <= 0) {
cardArr->setNumber(cardArr->getNumber());
cardArr->setNumber(0);
y++;
isdo = true;
}else if(cardArr->getNumber() == cardArr->getNumber()){
cardArr->setNumber(cardArr->getNumber()*2);
cardArr->setNumber(0);
isdo = true;
}
break;
}
} }
}
return isdo;
}
- 玩游戏
运行代码后,效果如下:
接下来我们来玩一下游戏,试试
(1)向左滑动,变成下图:
(2)向上滑动,变成上图:
(3)向右滑动,变成下图:
(4)向下滑动,变成下图:
嘿嘿,是不是觉得不错呢?赶紧动起手来,自己也搞一个吧!
不断更新中。或者请猛戳 http://blog.csdn.net/legendof1991?viewmode=contents 感谢支持
第一期:http://www.cocoachina.com/bbs/read.php?tid=198237
http://www.cocoachina.com/bbs/read.php?tid=198237