cocos2dx实例开发之2048（添加动画版）

1. #pragmaonce
2. #include"cocos2d.h"
3. #include"cardSprite.h"
4. #include"MenuLayer.h"
5. classGameScene:publiccocos2d::Layer
6. {
7. public:
8. staticcocos2d::Scene*createScene();
9. virtualboolinit();
10. CREATE_FUNC(GameScene);
11. //触摸监听
12. boolonTouchBegan(cocos2d::Touch*touch,cocos2d::Event*event);//注意这里要加命名空间作用域cocos2d
13. virtualvoidonTouchEnded(cocos2d::Touch*touch,cocos2d::Event*event);
14. //上下左右滑动动作
15. boolmoveLeft();
16. boolmoveRight();
17. boolmoveUp();
18. boolmoveDown();
19. //创建4*4卡片矩阵
20. voidcreateCardArr(Sizesize);
21. voidrandomCreateCard();
22. //判断游戏赢输
23. voidcheckGameWin();
24. voidcheckGameOver();
25. voidrestart(Ref*sender);//重新开始游戏菜单项
26. private:
27. intscore;//当前分数
28. intbestScore;//最好分数
29. boolsound;//声音变量
30. cocos2d::LabelTTF*scoreLabel;
31. LabelTTF*restartBtn;//重新开始的按钮
32. LabelTTF*isSoundBtn;//声音切换按钮
33. CardSprite*cardArr[4][4];//数字卡片矩阵
34. CardSprite*cardArrAction[4][4];//用于动画的临时数字卡片矩阵
35. PointstartPt;//触摸开始点
36. intoffsetX,offsetY;//触摸水平和竖直方向偏移量
37. MenuLayer*menuLayer;//菜单层
38. timevaltv;//当前时间
39. };

copy /*

*game:2048

*author:tashaxing

*time:2014/10/12

*/

#include"GameScene.h"

#include"SimpleAudioEngine.h"

usingnamespacecocos2d;

namespaceCocosDenshion;

Scene*GameScene::createScene()

{

autoscene=Scene::create();

autolayer=GameScene::create();

scene->addChild(layer);

returnscene;

}

boolGameScene::init()

if(!Layer::init())

returnfalse;

//获得屏幕尺寸和原点

SizevisibleSize=Director::getInstance()->getVisibleSize();

Vec2origin=Director::getInstance()->getVisibleOrigin();

//添加背景

autogameBkGround=LayerColor::create(Color4B(180,170,255));

this->addChild(gameBkGround);

//添加标题

autotitle=LabelTTF::create("My2048","Arial",60);

title->setColor(Color3B(255,153));

title->setPosition(Point(visibleSize.width/2,visibleSize.height-50));

this->addChild(title);

//加入restart按钮

restartBtn=LabelTTF::create("Restart",40);

restartBtn->setColor(Color3B(204,253));

restartBtn->setPosition(Point(visibleSize.width/2,visibleSize.height-110));

this->addChild(restartBtn);

//添加声音切换按钮

//初始化获取最好分数和声音变量，第一次启动应用的话xml里没有任何值，所以下面的会返回0和false

sound=UserDefault::getInstance()->getBoolForKey("SOUND");

if(sound)

isSoundBtn=LabelTTF::create("SoundOn",153); font-weight:bold; background-color:inherit">else

isSoundBtn=LabelTTF::create("SoundOff",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> isSoundBtn->setColor(Color3B(204,248)"> isSoundBtn->setPosition(Point(visibleSize.width/2,50));

this->addChild(isSoundBtn);

//加入游戏分数

autoslabel=LabelTTF::create("Score",30);

slabel->setPosition(Point(visibleSize.width/5,visibleSize.height-150));

this->addChild(slabel);

score=0;

scoreLabel=LabelTTF::create("0",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> scoreLabel->setColor(Color3B(0,37));

scoreLabel->setPosition(Point(visibleSize.width/2+30,visibleSize.height-150));

this->addChild(scoreLabel);

bestScore=UserDefault::getInstance()->getIntegerForKey("BEST");

//初始化卡片

createCardArr(visibleSize);

randomCreateCard();

randomCreateCard();

//添加触摸监听

autolistener=EventListenerTouchOneByOne::create();

listener->onTouchBegan=CC_CALLBACK_2(GameScene::onTouchBegan,this);

listener->onTouchEnded=CC_CALLBACK_2(GameScene::onTouchEnded,153); font-weight:bold; background-color:inherit">this);

_eventDispatcher->addEventListenerWithSceneGraphPriority(listener,153); font-weight:bold; background-color:inherit">true;

voidGameScene::restart(Ref*sender)

//转场，重新开始游戏

Director::getInstance()->replaceScene(TransitionFade::create(0.7f,GameScene::createScene()));

boolGameScene::onTouchBegan(Touch*touch,Event*event)

gettimeofday(&tv,NULL);//记录当前时间

startPt=touch->getLocation();//保存开始触摸点

//判断如果触摸点在restart按钮区域内则重新开始

if(restartBtn->getBoundingBox().containsPoint(restartBtn->convertToNodeSpace(touch->getLocation())))

Director::getInstance()->replaceScene(TransitionFade::create(0.7f,GameScene::createScene()));

//声音开关

if(isSoundBtn->getBoundingBox().containsPoint(isSoundBtn->convertToNodeSpace(touch->getLocation())))

sound=!sound;

UserDefault::getInstance()->setBoolForKey("SOUND",sound);

if(sound)

isSoundBtn->setString("SoundOn");

else

isSoundBtn->setString("SoundOff");

voidGameScene::onTouchEnded(Touch*touch,248)"> timevaltv_end;

gettimeofday(&tv_end,NULL);

if(tv_end.tv_sec-tv.tv_sec>3)

//开个后门，用来测试游戏赢了

cardArr[0][3]->setNumber(2048);

checkGameWin();

}

autoendPt=touch->getLocation();//获得触摸结束点

offsetX=endPt.x-startPt.x;//计算偏移

offsetY=endPt.y-startPt.y;

boolisTouch=false;

if(abs(offsetX)>abs(offsetY))//判断为方向

if(offsetX<-5)

isTouch=moveLeft();

elseif(offsetX>5)

isTouch=moveRight();

if(offsetY>5)//注意这里的纵向坐标别弄反

isTouch=moveDown();

if(offsetY<-5)

isTouch=moveUp();

if(isTouch)//如果滑动成功则判断

scoreLabel->setString(String::createWithFormat("%d",score)->getCString());

//这三个的顺序不能乱

checkGameWin();

checkGameOver();

voidGameScene::createCardArr(Sizesize)

intspace=5;//卡片间的间隔

intcardSize=(size.width-4*space)/4;

//创建卡片矩阵

for(inti=0;i<4;i++)

intj=0;j<4;j++)

//最左边留白12，最下面留白size.height/6

//坐标从左下角算起，右为正，上为正

CardSprite*card=CardSprite::createCard(0,cardSize,cardSize*i+12,cardSize*j+12+size.height/6);

this->addChild(card);//一定要把card添加到子节点才能渲染出来

cardArr[i][j]=card;//存到卡片矩阵

//创建临时卡片矩阵，用于动画，每个动画卡片对应一个实际卡片的动画，这是个技巧,并且动画层在卡片层之上，所以后加入，也可以设置addchild层次

inti=0;i<4;i++)

intj=0;j<4;j++)

//最左边留白12，最下面留白size.height/6

this->addChild(card);

cardArrAction[i][j]=card;

//一开始把这层全部因此

autohide=Hide::create();

cardArrAction[i][j]->getCardLayer()->runAction(hide);

voidGameScene::randomCreateCard()

//在随机位置生成卡片

introw=CCRANDOM_0_1()*4;

intcol=CCRANDOM_0_1()*4;

if(cardArr[row][col]->getNumber()>0)//如果有数字，则递归调用

cardArr[row][col]->setNumber(CCRANDOM_0_1()*10<1?4:2);//有10%的几率生成4

//用动画效果生成

autoaction=Sequence::createWithTwoActions(ScaleTo::create(0,0),ScaleTo::create(0.3f,1));//在0.3秒内从小缩放到大

cardArr[row][col]->getCardLayer()->runAction(action);//用卡片的层而不是卡片精灵本身做动作是为了使用局部坐标缩放

//向左滑动游戏逻辑，其他方向类似

boolGameScene::moveLeft()

//是否有移动的逻辑变量，如果没有任何移动，则不需要随机生成卡片，也不检验赢输，这一点很关键，否则很容易出bug

boolmoved=//计算移动的步进间距

autocardSize=(Director::getInstance()->getVisibleSize().width-5*4)/4;

//y表示行标号，x表示列标号

inty=0;y<4;y++)//最外层的行遍历可以先不管

intx=0;x<4;x++)//内部的N^2复杂度的类似冒泡排序

intx1=x+1;x1<4;x1++)

if(cardArr[x1][y]->getNumber()>0)//x右边的卡片有数字才动作

if(cardArr[x][y]->getNumber()==0)

//专门弄一个动画层卡片实现定位、显现、移动、隐藏系列动画

autoplace=Place::create(Point(cardSize*x1+12,cardSize*y+12+Director::getInstance()->getVisibleSize().height/6));

cardArrAction[x1][y]->setNumber(cardArr[x1][y]->getNumber());//每次都重新把动画卡片重新定位到实际对应的卡片位置，并设置相同的数字

autoshow=Show::create();

automove=MoveBy::create(0.1f,Point(-cardSize*(x1-x),0));//注意移动的距离

autohide=Hide::create();

cardArrAction[x1][y]->getCardLayer()->runAction(Sequence::create(place,show,move,hide,NULL));

//如果x位置是空卡片，就把x1卡片移到x处，x1处变成空卡片

cardArr[x][y]->setNumber(cardArr[x1][y]->getNumber());

cardArr[x1][y]->setNumber(0);

x--;//再扫描一遍，确保所有结果正确

moved=true;

if(cardArr[x][y]->getNumber()==cardArr[x1][y]->getNumber())

cardArrAction[x1][y]->setNumber(cardArr[x1][y]->getNumber());

//如果x位置非空，且与x1处数字相同，则乘2

cardArr[x][y]->setNumber(cardArr[x][y]->getNumber()*2);

cardArr[x1][y]->setNumber(0);

//数字合并动画

automerge=Sequence::create(ScaleTo::create(0.1f,1.2f),ScaleTo::create(0.1f,1.0f),NULL);

cardArr[x][y]->getCardLayer()->runAction(merge);

score+=cardArr[x][y]->getNumber();

//播放得分声音

SimpleAudioEngine::getInstance()->playEffect("get.mp3");

moved=break;//此处break防止出现连续乘2的bug

returnmoved;

boolGameScene::moveRight()

intx=3;x>=0;x--)intx1=x-1;x1>=0;x1--)

//x左边的卡片有数字才动作

autoplace=Place::create(Point(cardSize*x1+12,cardSize*y+12+Director::getInstance()->getVisibleSize().height/6));

cardArrAction[x1][y]->setNumber(cardArr[x1][y]->getNumber());

autoshow=Show::create();

automove=MoveBy::create(0.1f,0); background-color:inherit">//注意移动的距离

cardArrAction[x1][y]->getCardLayer()->runAction(Sequence::create(place,NULL));

x++;

//注意移动的距离，此处算出来为正

automerge=Sequence::create(ScaleTo::create(0.1f,248)"> cardArr[x][y]->getCardLayer()->runAction(merge);

score+=cardArr[x][y]->getNumber();

SimpleAudioEngine::getInstance()->playEffect("get.mp3");

boolGameScene::moveUp()//这里的“上”是逻辑上往坐标值小的方向，在屏幕上实际是往下动

//最外层的列遍历可以先不管

inty1=y+1;y1<4;y1++)

if(cardArr[x][y1]->getNumber()>0)//x下边的卡片有数字才动作

autoplace=Place::create(Point(cardSize*x+12,cardSize*y1+12+Director::getInstance()->getVisibleSize().height/6));

cardArrAction[x][y1]->setNumber(cardArr[x][y1]->getNumber());

cardArrAction[x][y1]->getCardLayer()->runAction(Sequence::create(place,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> cardArr[x][y]->setNumber(cardArr[x][y1]->getNumber());

cardArr[x][y1]->setNumber(0);

y--;

if(cardArr[x][y]->getNumber()==cardArr[x][y1]->getNumber())

autoplace=Place::create(Point(cardSize*x+12,cardSize*y1+12+Director::getInstance()->getVisibleSize().height/6));

cardArrAction[x][y1]->setNumber(cardArr[x][y1]->getNumber());

cardArrAction[x][y1]->getCardLayer()->runAction(Sequence::create(place,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> cardArr[x][y1]->setNumber(0);

boolGameScene::moveDown()//这里的“下”是逻辑上往坐标值小的方向，在屏幕上实际是往上动

inty=3;y>=0;y--)inty1=y-1;y1>=0;y1--)

//x上边的卡片有数字才动作

y++;

voidGameScene::checkGameWin()

boolisWin=if(2048==cardArr[i][j]->getNumber())

isWin=if(isWin)

//播放音效

SimpleAudioEngine::getInstance()->playEffect("gamewin.mp3");

//有一个2048游戏就是赢了

/*初始化菜单层*/

menuLayer=MenuLayer::create(Color4B(0,100));

this->addChild(menuLayer);

automenuSize=menuLayer->getContentSize();

automenuTitle=LabelTTF::create("YOUWIN",30);

menuTitle->setPosition(menuSize.width/2,menuSize.height/2+50);

menuLayer->addChild(menuTitle);

//添加当前分数

automenuscoreLabel=LabelTTF::create(String::createWithFormat("current:%d",score)->getCString(),20);

menuscoreLabel->setPosition(menuSize.width/2,menuSize.height/2);

menuLayer->addChild(menuscoreLabel);

//添加最好分数

bestScore=UserDefault::getInstance()->getIntegerForKey("BEST");

if(score>bestScore)

bestScore=score;

UserDefault::getInstance()->setIntegerForKey("BEST",bestScore);

automenuBestscoreLabel=LabelTTF::create(String::createWithFormat("best:%d",bestScore)->getCString(),248)"> menuBestscoreLabel->setPosition(menuSize.width/2,menuSize.height/2-30);

menuLayer->addChild(menuBestscoreLabel);

MenuItemFont::setFontName("Arial");

MenuItemFont::setFontSize(25);

automenuItemRestart=MenuItemFont::create("Restart",this,menu_selector(GameScene::restart));

menuItemRestart->setColor(Color3B(255,0));

automenu=Menu::create(menuItemRestart,108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> menuLayer->addChild(menu);

menu->setPosition(Point(menuSize.width/2,menuSize.height/2-80));

voidGameScene::checkGameOver()

boolisGameOver=//以下情况则游戏继续

if((cardArr[i][j]->getNumber()==0)||

(i>0&&cardArr[i][j]->getNumber()==cardArr[i-1][j]->getNumber())||

(i<3&&cardArr[i][j]->getNumber()==cardArr[i+1][j]->getNumber())||

(j>0&&cardArr[i][j]->getNumber()==cardArr[i][j-1]->getNumber())||

(j<3&&cardArr[i][j]->getNumber()==cardArr[i][j+1]->getNumber()))

isGameOver=//否则游戏结束

if(isGameOver)

SimpleAudioEngine::getInstance()->playEffect("gameover.mp3");

/*初始化菜单层*/

menuLayer=MenuLayer::create(Color4B(0,100));

this->addChild(menuLayer);

automenuSize=menuLayer->getContentSize();

//添加标题

automenuTitle=LabelTTF::create("GAMEOVER",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> menuTitle->setPosition(menuSize.width/2,menuSize.height/2+50);

menuLayer->addChild(menuTitle);

//添加当前分数

automenuscoreLabel=LabelTTF::create(String::createWithFormat("current:%d",20);

menuscoreLabel->setPosition(menuSize.width/2,menuSize.height/2);

menuLayer->addChild(menuscoreLabel);

//添加最好分数

if(score>bestScore)

bestScore=score;

UserDefault::getInstance()->setIntegerForKey("BEST",bestScore);

automenuBestscoreLabel=LabelTTF::create(String::createWithFormat("best:%d",108); list-style:decimal-leading-zero outside; color:inherit; line-height:18px; margin:0px!important; padding:0px 3px 0px 10px!important"> menuBestscoreLabel->setPosition(menuSize.width/2,menuSize.height/2-30);

menuLayer->addChild(menuBestscoreLabel);

MenuItemFont::setFontName("Arial");

MenuItemFont::setFontSize(25);

automenuItemRestart=MenuItemFont::create("Restart",menu_selector(GameScene::restart));

menuItemRestart->setColor(Color3B(255,0));

automenu=Menu::create(menuItemRestart,248)"> menuLayer->addChild(menu);

menu->setPosition(Point(menuSize.width/2,menuSize.height/2-80));

}