本文由qinning199原创,转载请注明:http://www.cocos2dx.net/?p=27
首先看一张图片,表示了CCCallFunc的继承关系:
1、CCCallFunc,回调,调用不带参数的函数:
1 |
CCSequence::actions(CCCallFunc::actionWithTarget( this , callfunc_selector(ExtendActionLayer::onCallBack1)));
|
2 |
void
ExtendActionLayer::onCallBack1() |
4 |
flight->runAction(CCTintBy::actionWithDuration(0.5f, 255, 0, 255));
|
2、CCCallFuncO,回调,O表示CCObject,CCCallFunco可以带CCObject参数的函数
1 |
CCSequence::actions(CCCallFuncO::actionWithTarget( this , callfuncO_selector(ExtendActionLayer::onCallBack2), CCInteger::create(2));
|
2 |
void
ExtendActionLayer::onCallBack2(CCObject* data) |
4 |
CCInteger* num =
dynamic_cast <CCInteger*>(data);
|
5 |
pSender->runAction(CCTintBy::actionWithDuration(num->getValue(), 255, 0, 255));
|
3、CCCallFuncN,回调,N表示CCNode,表示可以传递Node*类型
1 |
CCSequence::actions(CCCallFuncN::actionWithTarget( this , callfuncN_selector(ExtendActionLayer::onCallBack3)));
|
2 |
void
ExtendActionLayer::onCallBack3(CCNode* pSender) |
5 |
pSender->runAction(CCTintBy::actionWithDuration(1.0f, 255, 0, 255));
|
4、CCCallFuncND,回调,ND表示CCNode和Data,可以传递对象本身和一个void*类型参数,void*表示可以是任意类型的参数
1 |
CCSequence::actions(CCCallFuncND::actionWithTarget( this , callfuncND_selector(ExtendActionLayer::onCallBack4), ( void
*)2)); |
2 |
void
ExtendActionLayer::onCallBack4(CCNode* pSender, void * pData)
|
4 |
pSender->runAction(CCTintBy::actionWithDuration( static_cast < float >(( int )pData),
255, 0, 255)); |