CCAction能够使CCNode运动起来，能够呈现出多种多样的动作。这些动作能够改变其运动方向、形状、大小、旋转等。
同时，还可利用CCCallFunc、CCCallFuncN、CCCallFuncO、CCCallFuncND等函数实现回调。
MyScene.h代码
1 #ifndef MyScene_H_H 2 #define MyScene_H_H 3 4 #include "cocos2d.h" 5 using namespace cocos2d; 6 7 class MyScene : public CCLayer 8 { 9 public: 10 static CCScene* createScene(); 11 virtual bool init(); 12 CREATE_FUNC( MyScene ); 13 14 void callback1(); 15 void callback2(CCNode *node); 16 void callback3(CCObject *obj); 17 void callback4(CCNode *node, void *data); 18 19 20 private: 21 }; 22 23 #endif
MyScene.cpp代码
1 #include "MyScene.h" 2 3 CCScene* MyScene::createScene() 4 { 5 CCScene *scene = CCScene::create(); 6 MyScene *layer = MyScene::create(); 7 scene->addChild(layer); 8 return scene; 9 }; 10 11 12 bool MyScene::init() 13 { 14 if( !CCLayer::init() ){ 15 return false; 16 } 17 18 CCSize size = CCDirector::sharedDirector()->getWinSize(); 19 CCSprite *sprite = CCSprite::create("pal4.png"); 20 sprite->setAnchorPoint( ccp(0.5, 0.5) ); 21 //sprite->setPosition( ccp(size.width/2, size.height/2) ); 22 sprite->setPosition( ccp(0, 0) ); 23 sprite->setScale(0.5f); 24 sprite->setTag(2345); 25 addChild(sprite); 26 27 CCAction *action1 = CCMoveTo::create(1, ccp(size.width-sprite->getContentSize().width/2, size.height-sprite->getContentSize().height/2)); 28 CCAction *action2 = CCRotateBy::create(2, 360); 29 CCAction *action3 = CCBlink::create(2, 5); 30 CCAction *action4 = CCCallFunc::create( this, callfunc_selector(MyScene::callback1) ); 31 CCAction *action5 = CCCallFuncN::create( this, callfuncN_selector(MyScene::callback2) ); 32 CCAction *action6 = CCCallFuncO::create( this, callfuncO_selector(MyScene::callback3), sprite ); 33 CCAction *action7 = CCCallFuncND::create( this, callfuncND_selector(MyScene::callback4), "funcND" ); 34 35 CCArray *array = CCArray::createWithCapacity(8); 36 array->addObject(action1); 37 array->addObject(action2); 38 array->addObject(action3); 39 array->addObject(action4); 40 array->addObject(action5); 41 array->addObject(action6); 42 array->addObject(action7); 43 //array->addObject(NULL); 44 //array->retain(); 45 //CCAction *totoalAction = CCSequence::create( action1, action2, action3, action4, action5, action6, action7, NULL ); 46 CCAction *totalAction = CCSequence::create(array); 47 sprite->runAction(totalAction); 48 49 return true; 50 } 51 52 void MyScene::callback1() 53 { 54 CCLog( "callback1" ); 55 } 56 57 void MyScene::callback2(CCNode *node) 58 { 59 CCLog( "%d", node->getTag() ); 60 } 61 62 void MyScene::callback3(CCObject *obj) 63 { 64 CCNode *node = dynamic_cast<CCNode*>(obj); 65 if( node != NULL ){ 66 CCLog( "%d", node->getTag() ); 67 } 68 } 69 70 void MyScene::callback4(CCNode *node, void *data) 71 { 72 CCLog( "%d, %s", node->getTag(), data ); 73 CCMessageBox( "Over!", "Info" ); 74 }
callback1到callback4分别对应4种回调形式，只是各自带的参数不同而已。
运行结果：
