Cocos2d-x3.2 Speed、Follow的使用

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//GameScene.h

#include "cocos2d.h"

class GameScene : public cocos2d::Layer

{

public:

    static cocos2d::Scene* createScene();

    virtual bool init();

    void menuCallback(cocos2d::Ref* pSender);

    CREATE_FUNC(GameScene);

};

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//GameScene.cpp

#include "GameScene.h"

USING_NS_CC;

cocos2d::Scene* GameScene::createScene()

{

    auto scene = Scene::create();   //创建一个场景

    auto layer = GameScene::create();   //创建一个图层

    scene->addChild(layer);

    return scene;

}

//初始化当前的图层

bool GameScene::init()

{

    if(!Layer::init())      //初始化父类

        return false;

    //获取屏幕大小

    Size visibleSize = Director::getInstance()->getVisibleSize();

    //auto size = Director::getInstance()->getWinSize();

    //添加一个图片精灵

    auto sprite = Sprite::create("OnePiece_1.png");

    sprite->setPosition(Vec2(visibleSize.width/2, visibleSize.height/2));

    this->addChild(sprite);

    auto sprite1 = Sprite::create("Icon.png");

    sprite1->setPosition(Vec2(visibleSize.width*0.2, visibleSize.height/2));

    this->addChild(sprite1);

    auto moveTo = MoveTo::create(2, Vec2(visibleSize.width*0.8, visibleSize.height/2));

    //sprite1->runAction(moveTo);

    //速度变化

    auto speed = Speed::create(moveTo, 2);

    sprite1->runAction(speed);

    //背景跟随

    auto follow = Follow::create(sprite1);

    this->runAction(follow);

    return true;

}