cocos2d-x 2.2 study ------------------------ CCCallFunC家族

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#include "cocos2d.h"

class HelloWorld : public cocos2d::CCLayerColor

{

public:

    // Method ‘init‘ in cocos2d-x returns bool, instead of ‘id‘ in cocos2d-iphone (an object pointer)

    virtual bool init();

    // there‘s no ‘id‘ in cpp, so we recommend to return the class instance pointer

    static cocos2d::CCScene* scene();

    //先声明四个动作的回调方发

    void callBack();

    void callNodeBack(CCNode* sender);

    void callNodeBack(cocos2d::CCNode *sender, void * data);

    void callObjectBack( CCObject * data);

    // preprocessor macro for "static create()" constructor ( node() deprecated )

    CREATE_FUNC(HelloWorld);

};

#endif // __HELLOWORLD_SCENE_H__

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if ( !CCLayerColor::initWithColor(ccc4(255, 255, 255, 255)) )

   {

       return false;

   }

   //CCCallFunc家族函数：当我们需要在一个动作完成之后需要调用某个函数时使用

   CCSprite* player = CCSprite::create("Icon.png");

   player->setPosition(ccp(100, 100));

   this->addChild(player);

   CCMoveTo* action = CCMoveTo::create(1, ccp(200, 200));

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//CCCallFunc的功能非常简单，它只能简单地实现在动作序列中帮助我们调用一个函数的功能。

   CCCallFunc* call  = CCCallFunc::create(this, callfunc_selector(HelloWorld::callBack));

   //下面这行代码是创建一个动作序列

   CCFiniteTimeAction* seq = CCSequence::create(action,call,NULL);

   player->runAction(seq);

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//CCCallFunc的回调函数

void HelloWorld::callBack()

{

    CCLog("CCCallFunc");

}

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//CCCallFuncN  既能够调用一个方法还能够将调用的对象传过去  这里的调用对象就是player  它是个精灵对象

    CCCallFuncN* callN = CCCallFuncN::create(this, callfuncN_selector(HelloWorld::callNodeBack));

    CCFiniteTimeAction* seq2 = CCSequence::create(action,callN,NULL);

    player->runAction(seq2);

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//CCCallFuncN的回调函数

void HelloWorld::callNodeBack(cocos2d::CCNode *sender)

{

    CCSprite* player = (CCSprite*) sender;

    CCLog("%f",player->getPosition().x);

}

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//先创建一个字典

    CCDictionary* dic = CCDictionary::create();

    dic->retain();

    dic->setObject(CCString::create("zxcc"), 1);

    //CCCallFuncND可以传递一个任意数据类型  例如，我们可以传递一个字典

    CCCallFuncND* callND = CCCallFuncND::create(this, callfuncND_selector(HelloWorld::callNodeBack),(void*)dic);

    CCFiniteTimeAction* seq3 = CCSequence::create(action,callND,NULL);

    player->runAction(seq3);

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//CCCallFuncND的回调函数

void HelloWorld::callNodeBack(cocos2d::CCNode *sender, void * data)

{

    CCDictionary* dic = (CCDictionary*)data;

    CCString* str = (CCString*)(dic->objectForKey(1));

      CCLog("%s",str->getCString());

}

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//我们创建一个精灵

    CCSprite* player2 = CCSprite::create("player2.png");

    player2->setPosition(ccp(300, 300));

    this->addChild(player2);

    //在例子中我先移动一个精灵 ，再移动另一个精灵

   // CCCallFuncND传值的类型只能为CCObject类型

    CCCallFuncO* callO = CCCallFuncO::create(this, callfuncO_selector(HelloWorld::callObjectBack), player2);

    CCFiniteTimeAction* seq4 = CCSequence::create(action,callO,NULL);

    player->runAction(seq4);

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//CCCallFuncO的回调方法

void HelloWorld::callObjectBack(cocos2d::CCObject *data)

{

    CCSprite* player = (CCSprite*)data;

    player->runAction(CCMoveTo::create(1, ccp(1 ,90)));

}