• coco2d-x CCScrollView实现背包翻页,仅供参考


    #include "CCCGameScrollView.h"
    
    USING_NS_CC;
    USING_NS_CC_EXT;
    
    CCCGameScrollView::CCCGameScrollView()
    :m_fAdjustSpeed(ADJUST_ANIM_VELOCITY)
    , m_nPrePage(0)
    {
        
    }
    
    CCCGameScrollView::~CCCGameScrollView()
    {
        
    }
    
    bool CCCGameScrollView::init()
    {
        if (!CCScrollView::init())
        {
            return false;
        }
        
        return true;
    }
    
    bool CCCGameScrollView::ccTouchBegan( CCTouch *pTouch, CCEvent *pEvent )
    {
        m_BeginOffset = getContentOffset();
        return CCScrollView::ccTouchBegan(pTouch, pEvent);
    }
    
    void CCCGameScrollView::ccTouchMoved( CCTouch *pTouch, CCEvent *pEvent )
    {
        CCScrollView::ccTouchMoved(pTouch, pEvent);
    }
    
    void CCCGameScrollView::ccTouchEnded( CCTouch *pTouch, CCEvent *pEvent )
    {
        CCPoint touchPoint = pTouch->getLocationInView();
        touchPoint = CCDirector::sharedDirector()->convertToGL( touchPoint );
        
        CCScrollView::ccTouchEnded(pTouch, pEvent);
        
        CCPoint m_EndOffset=getContentOffset();
        
        if (m_BeginOffset.equals(m_EndOffset))
        {
            int nPage = abs(m_EndOffset.x / (int)m_CellSize.width);
            m_pDelegate->scrollViewClick(nPage);
          //  pDele->scrollViewClick(m_EndOffset,touchPoint,m_pContainer->getChildByTag(nPage),nPage);
            return ;
        }
        
        adjustScrollView(m_BeginOffset,m_EndOffset);
    }
    
    void CCCGameScrollView::ccTouchCancelled( CCTouch *pTouch, CCEvent *pEvent )
    {
        CCScrollView::ccTouchCancelled(pTouch, pEvent);
        
        CCPoint m_EndOffset=getContentOffset();
        adjustScrollView(m_BeginOffset,m_EndOffset);
    }
    
    void CCCGameScrollView::adjustScrollView( const cocos2d::CCPoint& oBegin,const cocos2d::CCPoint & oEnd)
    {
        
        int nPage = abs(oBegin.x / (int)m_CellSize.width);
        
        int nAdjustPage = 0;
        
        int nDis = oEnd.x-oBegin.x;
        
        if (nDis<-getViewSize().width/5)
        {
            nAdjustPage=nPage+1;
        }
        else if (nDis>getViewSize().width/5)
        {
            nAdjustPage=nPage-1;
        }
        else
        {
            nAdjustPage=nPage;
        }
        
        nAdjustPage=MIN(nAdjustPage,m_nPageCount-1);
        nAdjustPage=MAX(nAdjustPage,0);
        
        scrollToPage(nAdjustPage);
    }
    
    void CCCGameScrollView::scrollToPage( int nPage )
    {
        // 关闭CCScrollView中的自调整
        unscheduleAllSelectors();
        
        CCPoint oOffset=getContentOffset();
        // 调整位置
        CCPoint adjustPos=ccp(-m_CellSize.width*nPage,0);
        
        // 调整动画时间
        float adjustAnimDelay=ccpDistance(adjustPos,oOffset)/m_fAdjustSpeed;
        
        // 调整位置
        setContentOffsetInDuration(adjustPos, adjustAnimDelay);
        
        if (nPage!=m_nPrePage)
        {
            schedule(schedule_selector(CCCGameScrollView::onScrollEnd),adjustAnimDelay,0,0.0f);
            m_nPrePage=nPage;
        }
    }
    
    void CCCGameScrollView::onScrollEnd(float fDelay)
    {
        int nPage=getCurPage();
        m_pDelegate->scrollViewScrollEnd(nPage);
    }
    
    void CCCGameScrollView::scrollToNextPage()
    {
        int nCurPage=getCurPage();
        if (nCurPage>=m_nPageCount-1)
        {
            return ;
        }
        scrollToPage(nCurPage+1);
    }
    
    void CCCGameScrollView::scrollToPrePage()
    {
        int nCurPage=getCurPage();
        if (nCurPage<=0)
        {
            return ;
        }
        scrollToPage(nCurPage-1);
    }
    
    bool CCCGameScrollView::createContainer(CCCGameScrollViewDelegate* pDele,
                                            int nCount, //总共的Page数量
                                            const cocos2d::CCSize & oSize )//每一个Page的尺寸
    {
        m_nPageCount=nCount;
        m_CellSize=oSize;
        m_pDelegate = pDele;
        CCLayer* pContainer=CCLayer::create();
        pContainer->setAnchorPoint(CCPointZero);
        pContainer->setPosition(CCPointZero);
        
        CCSize winSize=CCDirector::sharedDirector()->getVisibleSize();
        
        for (int i=0;i<nCount;++i)
        {
            CCNode* pNode=CCNode::create();
            pDele->scrollViewInitPage(pNode,i);
            pNode->setPosition(ccp(winSize.width/2+i*oSize.width,winSize.height/2));
            pNode->setTag(i);
            pContainer->addChild(pNode);
        }
        
        setContainer(pContainer);
        setContentSize(CCSizeMake(oSize.width*nCount,oSize.height));
        
        return true;
    }
    
    int CCCGameScrollView::getCurPage()
    {
        return abs(getContentOffset().x / (int)m_CellSize.width);
    }

    #include "cocos2d.h"#include "cocos-ext.h"USING_NS_CC;class CCCGameScrollViewDelegate: public cocos2d::extension::CCScrollViewDelegate{public: //初始化每个单独Page的回调 virtual bool scrollViewInitPage(cocos2d::CCNode* pPage,int nPage){return true;}; //点击一个Page的回调 virtual void scrollViewClick(int nPage ){}; //每一次切换Page的回调 virtual void scrollViewScrollEnd(int nPage){};};
    
    


    #include "cocos2d.h"
    #include "cocos-ext.h"
    #include "CCCGameScrollViewDelegate.h"
    
    // 校正滑动动画速度
    #define ADJUST_ANIM_VELOCITY 2000
    
    class CCCGameScrollView
    : public cocos2d::extension::CCScrollView
    {
    private:
        CCCGameScrollViewDelegate* m_pDelegate;
    public:
        CCCGameScrollView();
        ~CCCGameScrollView();
    public:
        CREATE_FUNC(CCCGameScrollView);
        bool init();
        
        bool createContainer(CCCGameScrollViewDelegate* pDele, int nCount,const cocos2d::CCSize & oSize );
        
        virtual bool ccTouchBegan( cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent );
        
        virtual void ccTouchMoved( cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent );
        
        virtual void ccTouchEnded( cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent );
        
        virtual void ccTouchCancelled( cocos2d::CCTouch *pTouch, cocos2d::CCEvent *pEvent );
        
        void scrollToPage(int nPage);
        void scrollToNextPage();
        void scrollToPrePage();
        
        int getCurPage();
    protected:
        void adjustScrollView(const cocos2d::CCPoint& oBegin,const cocos2d::CCPoint & oEnd);
        
        virtual void onScrollEnd(float fDelay);
    protected:
        int m_nPageCount;
        int m_nPrePage;
        cocos2d::CCPoint m_BeginOffset;
        cocos2d::CCSize m_CellSize;
        float m_fAdjustSpeed;
    };
    

    #include "cocos2d.h"
    #include "cocos-ext.h"
    #include "CCCGameScrollViewDelegate.h"
    #include "CCCGameScrollView.h"
    
    USING_NS_CC;
    USING_NS_CC_EXT;
    
    
    class PageViewLayer : public CCLayer, public CCCGameScrollViewDelegate
    {
    public:
        CCCGameScrollView* m_ScrollView;
        virtual bool init();
        virtual void scrollViewDidScroll( cocos2d::extension::CCScrollView* view ) {};
        
        virtual void scrollViewDidZoom( cocos2d::extension::CCScrollView* view ) {};
        
        virtual bool scrollViewInitPage( cocos2d::CCNode* pPage,int nPage );
        
        virtual void scrollViewClick(int nPage );
        
        virtual void scrollViewScrollEnd(int nPage );
        
        CREATE_FUNC(PageViewLayer);
    };
    
    #include "PageViewLayer.h"
    
    bool PageViewLayer::init()
    {
        if (!CCLayer::init())
        {
            return false;
        }
        
        CCSprite* pBackGround=CCSprite::create("btn_bar04.png");
        pBackGround->setPosition(ccp(480,320));
        addChild(pBackGround);
        
        // CCScrollView
        m_ScrollView = CCCGameScrollView::create();
        m_ScrollView->createContainer(
                                      this,
                                      4,//总共的Page数量
                                      CCSizeMake(440,640));//每一个Page的尺寸
        m_ScrollView->setPosition(ccp(240,0));
        m_ScrollView->setContentOffset(CCPointZero);
        m_ScrollView->setViewSize(CCSizeMake(400, 640));
        m_ScrollView->setDirection(kCCScrollViewDirectionHorizontal);  
        
        this->addChild(m_ScrollView);
        
        return true;
    }
    
    bool PageViewLayer::scrollViewInitPage( cocos2d::CCNode* pPage,int nPage )
    {
        CCSprite *sprite = CCSprite::create("gezi.png");
        sprite->setPosition(ccp(-300,0));
        pPage->addChild(sprite);
        return true;
    }
    
    void PageViewLayer::scrollViewScrollEnd(int nPage )
    {
        
    }
    
    void PageViewLayer::scrollViewClick(int nPage )
    {
        
    }


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  • 原文地址:https://www.cnblogs.com/dyllove98/p/3181793.html
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