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Cocos2dx制作2048(3.数字相加逻辑)

2024-07-09 19:36:10 221人阅读

这次我们来完成整个2048的数字相加逻辑其实2048玩起来简单，做起来也简单，复杂就复杂在这整个游戏的逻辑。

1.分析向左滑动

第一轮相加步骤:
1. 单1+单2 单1=2 单2赋值为0 (单1为空，可以加任何数字)
2. 单1+单3 单1=4 单3赋值为0 （单1不为空，只能加和他相同的数字）
3. 单1+单4 单1=4 单4不变 (单1不为空，只能加和他相同的数字)

第二轮相加步骤:

1. 单2+单3 单2=0 单3不变（单2为0可以加任何数字，但是单3也是0,,其实加不加都是一个效果）

2. 单2+单4 单2=2 单4赋值0 （单2为0可以加任何数字）

接着就是单3加单4了，这两个都为空，什么都不做，最终的效果也就是，第二轮相加后的效果了

这个其实就是用的冒泡算法，好了，理解了之后，那么我们来写代码。

首先,我们在初始化矩阵中给所有的数字方块初始化为2，暂时先注释掉随机创建的方法

void HelloWorld::initMatrix(CCSize size)
{
	//两个方块之间的空隙
	int space=10;
	int SquareSize=(size.width-space*5)/4;
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y < 4; y++)
		{
			float pointx=space+x*SquareSize+x*space;
			float pointy=40+y*SquareSize+y*space;
			SquareSprite* pSquareSprite=SquareSprite::createSquareSprite(2,pointx,pointy,SquareSize,SquareSize);
			this->addChild(pSquareSprite,1);
			m_squarearray[x][y]=pSquareSprite;
		}
	}
	/*
	//刚开始游戏，创建两个方块
	autoSquare();
	autoSquare();
	*/
}

OK，向左滑动，那么此时我们需要在doLeft方法中写代码咯

bool HelloWorld::doLeft()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 0; x < 4; x++)
		{
			for (int afterx = x+1; afterx < 4; afterx++)
			{

			}
		}
	}
	return true;
}

大概的框架就是这样子吧？？最外层的y我们可以忽视，这是左加不是上下加

里面两个循环表示什么呢？？x=0时 afterx=1 即单1和单2 依次类推

OK，我们在循环中写代码，

bool HelloWorld::doLeft()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 0; x < 4; x++)
		{
			for (int afterx = x+1; afterx < 4; afterx++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
				}
			}
		}
	}
	return true;
}

这里有两种情况，

1.单1等于0时，不管单2是什么，都要和单2调换位置

2.单1不等于0时，那么只有单1和单2相等，才能相加

大家可以运行看看效果。

2.分析向右滑动

这里和向左滑动差不多，其实就是一个是顺着来一个是倒着来，我就不画图了，直接上代码

bool HelloWorld::doReight()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 3; x >=0; x--)
		{
			for (int afterx = x-1; afterx >=0; afterx--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
				}
			}
		}
	}
	return true;
}

其他地方都没改，就把两个循环改了一下

3.分析向上滑动

bool HelloWorld::doTop()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 3; y >=0; y--)
		{
			for (int aftery = y-1; aftery >=0; aftery--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
				}
			}
		}
	}
	return true;
}

4.分析向下滑动

bool HelloWorld::doDown()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y <4; y++)
		{
			for (int aftery = y+1; aftery <4; aftery++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
				}
			}
		}
	}
	return true;
}

现在基本上成了，那么我再修改其他几个函数，

首先把初始化矩阵的方法还原

void HelloWorld::initMatrix(CCSize size)
{
	//两个方块之间的空隙
	int space=10;
	int SquareSize=(size.width-space*5)/4;
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y < 4; y++)
		{
			float pointx=space+x*SquareSize+x*space;
			float pointy=40+y*SquareSize+y*space;
			SquareSprite* pSquareSprite=SquareSprite::createSquareSprite(0,pointx,pointy,SquareSize,SquareSize);
			this->addChild(pSquareSprite,1);
			m_squarearray[x][y]=pSquareSprite;
		}
	}
	//刚开始游戏，创建两个方块
	autoSquare();
	autoSquare();
}

然后，不管用户向那个方向滑动，只要是滑动了，就都得产生一个数字方块

void HelloWorld::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent)
{
	bool isTouch=false;
	CCPoint point=	pTouch->getLocation();
	m_RangeX=m_StartX-point.x;
	m_RangeY=m_StartY-point.y;

	if (abs(m_RangeX)>abs(m_RangeY))
	{
		//X大于Y	左右移动
		if (m_RangeX>5)
		{
			//正数	向左
			isTouch=doLeft();
		}
		else  if(m_RangeX<-5)
		{
			//负数	向右
			isTouch=doReight();
		}
	}
	else
	{
		//否则	上下移动
		if (m_RangeY>5)
		{
			//正数	向下
			isTouch=doDown();
		}
		else  if(m_RangeY<-5)
		{
			//负数	向上
			isTouch=doTop();
		}
	}
	if (isTouch)
	{
		autoSquare();
	}
}

测试一下，貌似我有发现了一个BUG

结合我们的代码分析一下也确实是这种情况，那么怎么破呢？？

应该在两个同等数字相加后，就Brack，不能再继续加下去了

else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
					break;
				}

刚测试，又发现一个BUG

本来是 4 2 4 0

向右滑动应该是 0 4 2 4

结果是: 0 0 2 8

大家结合doReight，在看看，好像也是这么回事

那么又应该怎么修复呢？？

这里还不能再第一个IF加break

不然 2 2 2 0 就会变为 0 2 2 2了而不是 0 0 2 4

这是一个很纠结的问题

我们应该要循环遍历一下两个数字的中间是不是还有数字隔着，有就不加，没有就加

这里贴上所有逻辑代码

bool HelloWorld::doTop()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 3; y >=0; y--)
		{
			for (int aftery = y-1; aftery >=0; aftery--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = aftery+1; temp < y; temp++)
					{
						if (m_squarearray[x][temp]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doDown()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y <4; y++)
		{
			for (int aftery = y+1; aftery <4; aftery++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = y+1; temp < aftery; temp++)
					{
						if (m_squarearray[x][temp]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doReight()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 3; x >=0; x--)
		{
			for (int afterx = x-1; afterx >=0; afterx--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = afterx+1; temp < x; temp++)
					{
						if (m_squarearray[temp][y]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doLeft()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 0; x < 4; x++)
		{
			for (int afterx = x+1; afterx < 4; afterx++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = x+1; temp < afterx; temp++)
					{
						if (m_squarearray[temp][y]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}

5.为游戏增加动画效果

最后在来点，动画效果

这里，动画就是，在创建一个数字方块的时候他是慢慢放大的,

我们的数字方块是什么？？CCLayerColor

我也不知道为什么，我们之间这样

m_squarearray[x][y]->runAction(CCSequence::create(CCScaleTo::create(0,0,0),CCScaleTo::create(0.3f,1,1),NULL));

出现的效果并不理想。

那么我们就在SquareSprite中提供一个接口用来获得 m_layercolor

然后在用m_layercolor来执行动画

CCLayerColor* SquareSprite::getCClayerColor()
{
	return this->m_layercolor;
}

void HelloWorld::autoSquare()
{
	int x=CCRANDOM_0_1()*4;
	int y=CCRANDOM_0_1()*4;
	if (m_squarearray[x][y]->getNumber()>0)
	{
		autoSquare();
	}
	else
	{
		m_squarearray[x][y]->setNumber(2);
		m_squarearray[x][y]->getCClayerColor()->runAction(CCSequence::create(CCScaleTo::create(0,0,0),CCScaleTo::create(0.3f,1,1),NULL));
	}
}

6.附源码

SquareSprite.h

#ifndef _SQUARE_SPRITE_H_
#define _SQUARE_SPRITE_H_
#include "cocos2d.h"
using namespace cocos2d;
class SquareSprite:public CCSprite
{
public:
	SquareSprite();
	static SquareSprite* createSquareSprite(int number,float pointx,float pointy,int width,int height);
	int getNumber();
	void setNumber(int number);
	CCLayerColor* getCClayerColor();
	CREATE_FUNC(SquareSprite);
private:
	int m_number;
	CCLabelTTF* m_lablenumber;
	CCLayerColor* m_layercolor;
	void initSquareSprite(int number,float pointx,float pointy,int width,int height);
};
#endif // !_SQUARE_SPRITE_H_

SquareSprite.cpp

#include "SquareSprite.h"
SquareSprite::SquareSprite()
	:m_number(0)
	,m_lablenumber(NULL)
	,m_layercolor(NULL)
{
}
SquareSprite* SquareSprite::createSquareSprite(int number,float pointx,float pointy,int width,int height)
{
	SquareSprite *pSprite = new SquareSprite();
	if (pSprite && pSprite->init())
	{
		pSprite->autorelease();
		pSprite->initSquareSprite( number, pointx, pointy, width, height);
		return pSprite;
	}
	CC_SAFE_DELETE(pSprite);
	return NULL;
}
int SquareSprite::getNumber()
{
	return m_number;
}
void SquareSprite::setNumber(int number)
{
	m_number=number;
	m_lablenumber->setString("");
	m_layercolor->setColor(ccc3(200,190,180));
	if (m_number>0)
	{
		m_lablenumber->setString(CCString::createWithFormat("%i",m_number)->getCString());
		//设置卡片颜色
		switch (m_number)
		{
		case 2:
			m_layercolor->setColor(ccc3(255,245,238));
			break;
		case 32:
		case 4:
			m_layercolor->setColor(ccc3(255,0,0));
			break;
		case 8:
			m_layercolor->setColor(ccc3(244,164,96));
			break;
		case 16:
			m_layercolor->setColor(ccc3(255,69,0));
			break;
		case 64:
			m_layercolor->setColor(ccc3(250,128,114));
			break;
		case 128:
			m_layercolor->setColor(ccc3(255,228,181));
			break;
		case 256:
			m_layercolor->setColor(ccc3(240,230,140));
			break;
		case 512:
			m_layercolor->setColor(ccc3(255,250,205));
			break;
		case 1024:
			m_layercolor->setColor(ccc3(255,160,122));
			break;
		case 2048:
			m_layercolor->setColor(ccc3(250,240,230));
			break;
		case 4096:
			m_layercolor->setColor(ccc3(255,228,225));
			break;
		case 8192:
			m_layercolor->setColor(ccc3(188,143,143));
			break;
		case 16384:
			m_layercolor->setColor(ccc3(205,92,92));
			break;
		default:
			break;
		}
	}
}
void SquareSprite::initSquareSprite(int number,float pointx,float pointy,int width,int height)
{
	m_number=number;
	m_layercolor=CCLayerColor::create(ccc4(200,190,180,255),width,height);
	m_layercolor->setPosition(ccp(pointx,pointy));
	this->addChild(m_layercolor);
	//创建字体
	m_lablenumber=CCLabelTTF::create("","arial.ttf",30);
	m_lablenumber->setColor(ccc3(0,0,0));
	m_lablenumber->setPosition(ccp(m_layercolor->getContentSize().width/2,m_layercolor->getContentSize().height/2));
	m_layercolor->addChild(m_lablenumber);
	setNumber(number);
}
CCLayerColor* SquareSprite::getCClayerColor()
{
	return this->m_layercolor;
}

HelloWorldScene.h

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"
#include "SimpleAudioEngine.h"
#include "SquareSprite.h"
using namespace CocosDenshion;
using namespace cocos2d;
class HelloWorld : public cocos2d::CCLayer
{
public:
	HelloWorld();
    // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
    virtual bool init();  

    // there's no 'id' in cpp, so we recommend returning the class instance pointer
    static cocos2d::CCScene* scene();
    
    // implement the "static node()" method manually
    CREATE_FUNC(HelloWorld);
public:
	virtual void onEnter();
	virtual bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent);
    virtual void ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent);
	//上下左右滑动时调用
	bool doTop();
	bool doDown();
	bool doReight();
	bool doLeft();
	//初始化矩阵
	void initMatrix(CCSize size);
	//随机产生方块
	void autoSquare();
private:
	//启点的X坐标,Y坐标
	//起点到终点X的距离，Y的距离
	int m_StartX,m_StartY,m_RangeX,m_RangeY;
	//二维数组存储方块
	SquareSprite* m_squarearray[4][4];
};

#endif // __HELLOWORLD_SCENE_H__

HelloWorldScene.cpp

#include "HelloWorldScene.h"

USING_NS_CC;
HelloWorld::HelloWorld()
	:m_StartX(0)
	,m_StartY(0)
	,m_RangeX(0)
	,m_RangeY(0)
{
}
CCScene* HelloWorld::scene()
{
	// 'scene' is an autorelease object
	CCScene *scene = CCScene::create();

	// 'layer' is an autorelease object
	HelloWorld *layer = HelloWorld::create();

	// add layer as a child to scene
	scene->addChild(layer);

	// return the scene
	return scene;
}

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
	//////////////////////////////
	// 1. super init first
	if ( !CCLayer::init() )
	{
		return false;
	}

	CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();
	CCPoint origin = CCDirector::sharedDirector()->getVisibleOrigin();
	initMatrix(visibleSize);
	//搞点背景
	CCLayerColor* layerColorBG= CCLayerColor::create(ccc4(180,170,160,255));
	this->addChild(layerColorBG,0);
	return true;
}
void HelloWorld::initMatrix(CCSize size)
{
	//两个方块之间的空隙
	int space=10;
	int SquareSize=(size.width-space*5)/4;
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y < 4; y++)
		{
			float pointx=space+x*SquareSize+x*space;
			float pointy=40+y*SquareSize+y*space;
			SquareSprite* pSquareSprite=SquareSprite::createSquareSprite(0,pointx,pointy,SquareSize,SquareSize);
			this->addChild(pSquareSprite,1);
			m_squarearray[x][y]=pSquareSprite;
		}
	}
	//刚开始游戏，创建两个方块
	autoSquare();
	autoSquare();
}
void HelloWorld::autoSquare()
{
	int x=CCRANDOM_0_1()*4;
	int y=CCRANDOM_0_1()*4;
	if (m_squarearray[x][y]->getNumber()>0)
	{
		autoSquare();
	}
	else
	{
		m_squarearray[x][y]->setNumber(2);
		m_squarearray[x][y]->getCClayerColor()->runAction(CCSequence::create(CCScaleTo::create(0,0,0),CCScaleTo::create(0.3f,1,1),NULL));
	}
}
void HelloWorld::onEnter()
{
	CCLayer::onEnter();
	this->setTouchMode(kCCTouchesOneByOne);
	this->setTouchEnabled(true);
}
bool HelloWorld::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
{
	m_StartX=pTouch->getLocation().x;
	m_StartY=pTouch->getLocation().y;
	return true;
}
void HelloWorld::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent)
{
	bool isTouch=false;
	CCPoint point=	pTouch->getLocation();
	m_RangeX=m_StartX-point.x;
	m_RangeY=m_StartY-point.y;

	if (abs(m_RangeX)>abs(m_RangeY))
	{
		//X大于Y	左右移动
		if (m_RangeX>5)
		{
			//正数	向左
			isTouch=doLeft();
		}
		else  if(m_RangeX<-5)
		{
			//负数	向右
			isTouch=doReight();
		}
	}
	else
	{
		//否则	上下移动
		if (m_RangeY>5)
		{
			//正数	向下
			isTouch=doDown();
		}
		else  if(m_RangeY<-5)
		{
			//负数	向上
			isTouch=doTop();
		}
	}
	if (isTouch)
	{
		autoSquare();
	}
}
bool HelloWorld::doTop()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 3; y >=0; y--)
		{
			for (int aftery = y-1; aftery >=0; aftery--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = aftery+1; temp < y; temp++)
					{
						if (m_squarearray[x][temp]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doDown()
{
	for (int x = 0; x < 4; x++)
	{
		for (int y = 0; y <4; y++)
		{
			for (int aftery = y+1; aftery <4; aftery++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[x][aftery]->getNumber());
					m_squarearray[x][aftery]->setNumber(0);
				}
				else if (m_squarearray[x][aftery]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = y+1; temp < aftery; temp++)
					{
						if (m_squarearray[x][temp]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[x][aftery]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doReight()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 3; x >=0; x--)
		{
			for (int afterx = x-1; afterx >=0; afterx--)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = afterx+1; temp < x; temp++)
					{
						if (m_squarearray[temp][y]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}
bool HelloWorld::doLeft()
{
	for (int y = 0; y < 4; y++)
	{
		for (int x = 0; x < 4; x++)
		{
			for (int afterx = x+1; afterx < 4; afterx++)
			{
				if (m_squarearray[x][y]->getNumber()==0)
				{
					m_squarearray[x][y]->setNumber(m_squarearray[afterx][y]->getNumber());
					m_squarearray[afterx][y]->setNumber(0);
				}
				else if (m_squarearray[afterx][y]->getNumber()==m_squarearray[x][y]->getNumber())
				{
					bool isAdd=false;
					for (int temp = x+1; temp < afterx; temp++)
					{
						if (m_squarearray[temp][y]->getNumber()!=0)
						{
							isAdd=true;
							break;
						}
					}
					if (isAdd)
					{
						continue;
					}
					m_squarearray[x][y]->setNumber(m_squarearray[x][y]->getNumber()*2);
					m_squarearray[afterx][y]->setNumber(0);
					break;
				}
			}
		}
	}
	return true;
}

最终效果图:

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