cocos2dx 利用CCOrbitCamera实现扑克牌翻牌效果

ゞ浴缸里的玫瑰 2022-05-13 03:08 166阅读 0赞

### 感谢点评与关注，欢迎转载与分享。   勤奋努力，持之以恒！ ###

#include "HelloWorldScene.h"
    #include "SimpleAudioEngine.h"
    
    using namespace cocos2d;
    using namespace CocosDenshion;
    
    CCScene* HelloWorld::scene()
    {
        CCScene *scene = CCScene::create();
        HelloWorld *layer = HelloWorld::create();
        scene->addChild(layer);
        return scene;
    }
    bool HelloWorld::init()
    {
        if ( !CCLayer::init() )
        {
            return false;
        }
        size = CCDirector::sharedDirector()->getWinSize();
        
        //加一背景
        CCLayerColor* background = CCLayerColor::create(ccc4(255, 180, 255, 255), size.width, size.height);
        this->addChild(background);
        
        actionIsDone = true;//标示动作是否完成
        
        createPoker(); //创建扑克
        
        return true;
    }
    
    //创建扑克
    void HelloWorld::createPoker()
    {
        //扑克牌正面
        CCSprite* pokerFront = CCSprite::create("poker_front.png");
        pokerFront->setVisible(false);
        pokerFront->setPosition(ccp(size.width/2, size.height/2));
        this->addChild(pokerFront,1,123);
      
        //扑克牌反面
        CCSprite* pokerBack = CCSprite::create("poker_back.png");
        pokerBack->setPosition(pokerFront->getPosition());
        this->addChild(pokerBack,1,321);
    }
    //翻牌动作
    void HelloWorld::startOrbitAction()
    {
        //扑克牌正面
        CCSprite* pokerFront = (CCSprite*)this->getChildByTag(123);
        //扑克牌反面
        CCSprite* pokerBack = (CCSprite*)this->getChildByTag(321);
        
        float orbitTime = 1;
        if (pokerFront->isVisible() == false && actionIsDone == true) {
            actionIsDone = false;
            //第一个参数是旋转的时间，第二个参数是起始半径，第三个参数半径差，第四个参数是起始Z角，第五个参数是旋转Z角差，第六个参数是起始X角，最后一个参数旋转X角差，
            CCOrbitCamera* orbitFront = CCOrbitCamera::create(orbitTime, 1, 0, 270, 90, 0, 0);
            CCSequence* sequenceFront = CCSequence::createWithTwoActions(CCShow::create(), orbitFront);
            CCTargetedAction* targetFront = CCTargetedAction::create(pokerFront, sequenceFront);
    
            CCOrbitCamera* orbitBack = CCOrbitCamera::create(orbitTime, 1, 0, 0, 90, 0, 0);
            pokerBack->runAction(CCSequence::create(orbitBack, CCHide::create(), targetFront, CCCallFunc::create(this, callfunc_selector(HelloWorld::actionIsDownFunc)),NULL));
        }else if(pokerFront->isVisible() == true && actionIsDone == true){
            actionIsDone = false;
            CCOrbitCamera* orbitFront = CCOrbitCamera::create(orbitTime, 1, 0, 270, 90, 0, 0);
            CCSequence* sequenceFront = CCSequence::createWithTwoActions(CCShow::create(), orbitFront);
            CCTargetedAction* targetFront = CCTargetedAction::create(pokerBack, sequenceFront);
            
            CCOrbitCamera* orbitBack = CCOrbitCamera::create(orbitTime, 1, 0, 0, 90, 0, 0);
            pokerFront->runAction(CCSequence::create(orbitBack, CCHide::create(), targetFront, CCCallFunc::create(this, callfunc_selector(HelloWorld::actionIsDownFunc)),NULL));
        }
    }
    
    void HelloWorld::actionIsDownFunc()
    {
        actionIsDone = true;
    }
    
    bool HelloWorld::ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent)
    {
        //翻牌动作
        startOrbitAction();
        return true;
    }
    
    void HelloWorld::ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent){}
    void HelloWorld::ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent){}
    void HelloWorld::onEnter()
    {
        CCDirector::sharedDirector()->getTouchDispatcher()->addTargetedDelegate(this, 0, false);
        CCLayer::onEnter();
    }
    void HelloWorld::onExit()
    {
        CCDirector::sharedDirector()->getTouchDispatcher()->removeDelegate(this);
        CCLayer::onExit();
    }
    HelloWorld::~HelloWorld(){}

## 两张扑克牌资源： ##

![Center][] ![Center 1][]

[Center]: https://img-blog.csdn.net/20140530145829453?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvc29uZ19odWlfeGlhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: /images/20220513/a16a919a4d984a16a87e04af4e92de60.png