Cocos2d-3.x_定时器

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"

USING_NS_CC;

class HelloWorld : public cocos2d::Layer
{
public:
    static cocos2d::Scene* createScene();

    virtual bool init();

    void menuCloseCallback(cocos2d::Ref* pSender);
    
	virtual void update(float dt);
	void tick(float dt);

    CREATE_FUNC(HelloWorld);
};

#endif // __HELLOWORLD_SCENE_H__

#include "HelloWorldScene.h"

Scene* HelloWorld::createScene()
{
    auto scene = Scene::create();
    auto layer = HelloWorld::create();
    scene->addChild(layer);

    return scene;
}

bool HelloWorld::init()
{
    if ( !Layer::init() )
    {
        return false;
    }
    
    Size visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin = Director::getInstance()->getVisibleOrigin();

	auto sprite = Sprite::create("HelloWorld.png");
	sprite->setPosition(Vec2(visibleSize.width / 2 + origin.x, visibleSize.height / 2 + origin.y));
	this->addChild(sprite, 0);

	this->scheduleUpdate();

	this->schedule(schedule_selector(HelloWorld::tick), 1);

    return true;
}

void HelloWorld::update(float dt)
{
	log("HelloWorld::update");
}

void HelloWorld::tick(float dt)
{
	log("HelloWorld::tick");
}