cocos2dx自定义的滑动滚条

来源：互联网发布：python可视化窗口编程编辑：程序博客网时间：2024/04/30 01:36

 bool isTouching;//是否在正在触摸屏幕    bool isRoll;//是否正在滚动    bool isSectionChange;//是否改变了选项    bool isClick;//是否点击该选项    float oldPX;//旧坐标    float newPX;//新坐标    float speedDown;//减速度

void MainScene::update(float dt){    this->isRoll = false;    this->newPX =this->scrollView->getInnerContainer()->getPosition().x;        if(int(this->scrollView->getInnerContainer()->getPosition().x) == 0 ||//如果在头尾，速度设为原来的值       int(this->scrollView->getInnerContainer()->getPosition().x) == -((400+SPACE)*5.3-scrollView->getSize().width))    {        speedDown = 6;        isTouching = false;    }    if(isTouching == false)    {        //各个选项的位置        int A = -140;        int B = A - guankaLast1->getSize().width-SPACE;        int C = B - guankaLast1->getSize().width-SPACE;        int D= C - guankaLast1->getSize().width-SPACE;        int E= D - guankaLast1->getSize().width-SPACE;                //选项数组        int array[] = {A, B, C, D, E};                //头部回弹        if(int(this->scrollView->getInnerContainer()->getPosition().x)>array[0])        {            this->isRoll = true;            isSectionChange = true;            this->scrollView->scrollChildren(-speedDown);            speedDown-=0.1;            if(speedDown<1)            {                speedDown = 1;            }        }        //中间逻辑        for (int i = 0; i<5; i++)        {            if(int(this->scrollView->getInnerContainer()->getPosition().x)<array[i]-3 &&               int(this->scrollView->getInnerContainer()->getPosition().x)>array[i+1]+3)            {                this->isRoll = true;                isSectionChange = true;                if(this->newPX<this->oldPX)                {                    CCLog("old>new");                    this->scrollView->scrollChildren(-speedDown);                }                else                {                    CCLog("old<new");                    this->scrollView->scrollChildren(speedDown);                }                                speedDown -= 0.01;                if (speedDown<1)                {                    speedDown = 1;                }            }        }        //尾部回弹        if(int(this->scrollView->getInnerContainer()->getPosition().x)<array[4] )        {            this->isRoll = true;            isSectionChange = true;            this->scrollView->scrollChildren(speedDown);            speedDown-=0.1;            if(speedDown<1)            {                speedDown = 1;            }        }                //如果在滚动        if(this->isRoll)        {            this->rotateLight->setVisible(false);        }                //判断停止位置        if (this->isRoll == false && isSectionChange == true)        {            isSectionChange = false;            for (int i = 0; i < 5; i++)            {                if (int(this->scrollView->getInnerContainer()->getPosition().x) <= array[i]+3 &&                    int(this->scrollView->getInnerContainer()->getPosition().x) >= array[i]-3)                {                                        this->selectSection(i);                    if (GDI->isSectionCanOpened(i))                    {                        this->rotateLight->setVisible(true);                    }                }            }                    }            }}

    //滑动容器模块    UIImageView* background =  (UIImageView*) this->mainLayer->getWidgetByTag(121);    backgoundSize =background->getContentSize();    backgoundPosition =background->getPosition();        scrollView = UIScrollView::create();    scrollView->setDirection(SCROLLVIEW_DIR_HORIZONTAL);    scrollView->setTouchEnable(true);    scrollView->setSize(backgoundSize-CCSize(25,0));    scrollView->setInnerContainerSize(CCSize( (400+SPACE)*5.3, scrollView->getSize().height));    scrollView->setPosition(backgoundPosition-CCPoint(backgoundSize.width/2, backgoundSize.height/2)+CCPoint(5,0));    this->scrollView->addTouchEventListener(this, toucheventselector(MainScene::pageViewEvent));    this->mainLayer->addWidget(this->scrollView);

Layout* layout = Layout::create();    layout->setSize(backgoundSize);    guankaLast2->setPosition(CCPoint(guankaLast1->getPosition().x+guankaLast1->getSize().width+SPACE,backgoundPosition.y-330));        layout->addChild(guankaLast2);    scrollView->addChild(layout);        {        this->guankaLast2->setScaleX(1.5);        this->guanka2Ani->setScaleX(1 / 1.5);        this->guanka2Bor->setScaleX(1 / 1.5);    }

//button按钮事件

switch (type)        {            case cocos2d::extension::TOUCH_EVENT_BEGAN:                this->isTouching = true;                this->isClick = true;                this->oldPX = this->scrollView->getInnerContainer()->getPosition().x;                this->speedDown = 6;                CCLog("began");                                break;            case cocos2d::extension::TOUCH_EVENT_MOVED:                this->isClick = false;                CCLog("move");                break;            case cocos2d::extension::TOUCH_EVENT_ENDED:                                if (isClick)                {                                    }                                this->isTouching =false;                CCLog("ended");                                                 break;            case cocos2d::extension::TOUCH_EVENT_CANCELED:                                this->isTouching =false;                CCLog("canceled");                                                 break;            default:                break;        }

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