Cocos2d-x_定时器(更新函数)

概述//// HelloWorldScene.h//#ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"#include "cocos-ext.h"USING_NS_CC;USING_NS_CC_EXT;class HelloWorld : public cocos2d:

//// HelloWorldScene.h//#ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"#include "cocos-ext.h"USING_NS_CC;USING_NS_CC_EXT;class HelloWorld : public cocos2d::cclayer{public:    virtual bool init();    static cocos2d::CCScene* scene();    CREATE_FUNC(HelloWorld);    virtual voID update(float dt);    virtual voID myUpdate(float dt);    virtual voID moreUpdate(float dt);    };#endif

@H_404_2@

//// HelloWorldScene.cpp//#include "HelloWorldScene.h"USING_NS_CC;CCScene* HelloWorld::scene(){    CCScene *scene = CCScene::create();    HelloWorld *layer = HelloWorld::create();    scene->addChild(layer);    return scene;}bool HelloWorld::init(){    if ( !cclayer::init() )    {        return false;    }    CCSize winSize = CCDirector::sharedDirector()->getWinSize();        CCSprite *spr = CCSprite::create("Icon-57.png");    spr->setposition(ccp(winSize.wIDth*0.5,winSize.height*0.5));    this->addChild(spr,290);        this->scheduleUpdate();    this->schedule(schedule_selector(HelloWorld::myUpdate));    this->schedule(schedule_selector(HelloWorld::moreUpdate),2.0f);        return true;}voID HelloWorld::update(float dt){    cclog("HelloWorld::update");    CCSprite *spr = (CCSprite *)this->getChildByTag(290);    if (spr->getpositionX() < 260)    {        spr->setposition(ccpAdd(spr->getposition(),ccp(1,1)));    }    else    {        spr->setposition(ccpAdd(spr->getposition(),-1)));    }}voID HelloWorld::myUpdate(float dt){    cclog("HelloWorld::myUpdate");}voID HelloWorld::moreUpdate(float dt){    cclog("HelloWorld::moreUpdate");        this->unscheduleUpdate();  // 停止默认的update更新函数    this->unschedule(schedule_selector(HelloWorld::myUpdate));  // 停止自定义的更新函数    this->unscheduleAllSelectors();  // 停止所有的更新函数}

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