CCAction動作基類關系

class CC_DLL CCAction : public CCObject { public:CCAction(void);virtual ~CCAction(void);const char* description();virtual CCObject* copyWithZone(CCZone *pZone);//! return true if the action has finishedvirtual bool isDone(void);//! called before the action start. It will also set the target.virtual void startWithTarget(CCNode *pTarget);/** called after the action has finished. It will set the 'target' to nil.IMPORTANT: You should never call "[action stop]" manually. Instead, use: "target->stopAction(action);"*/virtual void stop(void);//! called every frame with it's delta time. DON'T override unless you know what you are doing.virtual void step(float dt);/** called once per frame. time a value between 0 and 1For example: - 0 means that the action just started- 0.5 means that the action is in the middle- 1 means that the action is over*/virtual void update(float time);inline CCNode* getTarget(void) { return m_pTarget; }/** The action will modify the target properties. */inline void setTarget(CCNode *pTarget) { m_pTarget = pTarget; }inline CCNode* getOriginalTarget(void) { return m_pOriginalTarget; } /** Set the original target, since target can be nil.Is the target that were used to run the action. Unless you are doing something complex, like CCActionManager, you should NOT call this method.The target is 'assigned', it is not 'retained'.@since v0.8.2*/inline void setOriginalTarget(CCNode *pOriginalTarget) { m_pOriginalTarget = pOriginalTarget; }inline int getTag(void) { return m_nTag; }inline void setTag(int nTag) { m_nTag = nTag; }public:/** Create an action */static CCAction* create(); protected:CCNode *m_pOriginalTarget;/** The "target".The target will be set with the 'startWithTarget' method.When the 'stop' method is called, target will be set to nil.The target is 'assigned', it is not 'retained'.*/CCNode *m_pTarget;/** The action tag. An identifier of the action */int m_nTag; };

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　　　　　　　　　　　　即時動作的具體類

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　　　　　　　　　　　　持續動作類的結構圖

轉載于:https://www.cnblogs.com/MrGreen/p/3269109.html

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