Cocos2d-3.x_基本数据类型(cocos2d::Value)

#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();

    CREATE_FUNC(HelloWorld);

private:
	LabelTTF *pLabel;
};

#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();

	pLabel = LabelTTF::create("HelloWorld","fonts/Arial.ttf",30);
	pLabel->setPosition(visibleSize.width / 2.0,visibleSize.height / 2.0);
	this->addChild(pLabel);

	// 在Cocos2d-3.x中，把所有的int、float、double等等都封装成了Value类型
	cocos2d::Value intVar;
	intVar = 10;
	log("intVar:%d",intVar.asInt());

	cocos2d::Value floatVar;
	floatVar = 10.3f;
	log("floatVar:%.1f",floatVar.asFloat());

	cocos2d::Value strVar;
	strVar = "Hello";
	log("strVar:%s",strVar.asString().c_str());

    return true;
}

（编辑：李大同）

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