Cocos2d-x结构学习（十四）CCEaseExponential、CCEaseSine、CCRepeatForever、CCCA

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1、CCEaseExponentialIn：指数级，继承自CCActionEase

class CC_DLL CCEaseExponentialIn : public CCActionEase{public:    virtual void update(float time);    virtual CCActionInterval* reverse(void);    virtual CCObject* copyWithZone(CCZone* pZone);public:    static CCEaseExponentialIn* create(CCActionInterval* pAction);};

2、CCEaseExponentialOut：指数级，继承自CCActionEase

class CC_DLL CCEaseExponentialOut : public CCActionEase{public:    virtual void update(float time);    virtual CCActionInterval* reverse(void);    virtual CCObject* copyWithZone(CCZone* pZone);public:    static CCEaseExponentialOut* create(CCActionInterval* pAction);};

3、CCEaseSineIn：正弦，继承自CCActionEase

class CC_DLL CCEaseSineIn : public CCActionEase{public:    virtual void update(float time);    virtual CCActionInterval* reverse(void);    virtual CCObject* copyWithZone(CCZone* pZone);public:    static CCEaseSineIn* create(CCActionInterval* pAction);};

4、CCEaseSineOut：正弦，继承自CCActionEase

class CC_DLL CCEaseSineOut : public CCActionEase{public:    virtual void update(float time);    virtual CCActionInterval* reverse(void);    virtual CCObject* copyWithZone(CCZone* pZone);public:    static CCEaseSineOut* create(CCActionInterval* pAction);};

5、CCRepeatForever：永久重复，继承自CCActionInterval

class CC_DLL CCRepeatForever : public CCActionInterval{public:    CCRepeatForever()        : m_pInnerAction(NULL)    {}    virtual ~CCRepeatForever();    bool initWithAction(CCActionInterval *pAction);     virtual CCObject* copyWithZone(CCZone *pZone);    virtual void startWithTarget(CCNode* pTarget);    virtual void step(float dt);    virtual bool isDone(void);    virtual CCActionInterval* reverse(void);    inline void setInnerAction(CCActionInterval *pAction)    {        if (m_pInnerAction != pAction)        {            CC_SAFE_RELEASE(m_pInnerAction);            m_pInnerAction = pAction;            CC_SAFE_RETAIN(m_pInnerAction);        }    }    inline CCActionInterval* getInnerAction()    {        return m_pInnerAction;    }public:    static CCRepeatForever* create(CCActionInterval *pAction);protected:    CCActionInterval *m_pInnerAction;};

6、CCCA：简化操作的宏

#define CCCA(x)   (x->copy()->autorelease())

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