五毛的cocos2d-x学习笔记07-计时器、数据读写、文件读写

 1 #ifndef __HELLOWORLD_SCENE_H__
 2 #define __HELLOWORLD_SCENE_H__
 3 
 4 #include "cocos2d.h"
 5 
 6 class HelloWorld : public cocos2d::Layer
 7 {
 8 private:
 9     cocos2d::LabelTTF *label;
10 public:
11     // there‘s no ‘id‘ in cpp, so we recommend returning the class instance pointer
12     static cocos2d::Scene* createScene();
13 
14     // Here‘s a difference. Method ‘init‘ in cocos2d-x returns bool, instead of returning ‘id‘ in cocos2d-iphone
15     virtual bool init();
16     
17     // a selector callback
18     void menuCloseCallback(cocos2d::Ref* pSender);
19     
20     // implement the "static create()" method manually
21     CREATE_FUNC(HelloWorld);
22 
23     void update(float delta) override;
24 
25     void timerHandler(float delta);
26 };
27 
28 #endif // __HELLOWORLD_SCENE_H__

 1 #include "HelloWorldScene.h"
 2 
 3 USING_NS_CC;
 4 
 5 Scene* HelloWorld::createScene()
 6 {
 7     // ‘scene‘ is an autorelease object
 8     auto scene = Scene::create();
 9     
10     // ‘layer‘ is an autorelease object
11     auto layer = HelloWorld::create();
12 
13     // add layer as a child to scene
14     scene->addChild(layer);
15 
16     // return the scene
17     return scene;
18 }
19 
20 // on "init" you need to initialize your instance
21 bool HelloWorld::init()
22 {
23     //////////////////////////////
24     // 1. super init first
25     if ( !Layer::init() )
26     {
27         return false;
28     }
29    
30     label = LabelTTF::create("Hello, Cocos", "Courier", 30);
31 
32     addChild(label);
33 
34     //scheduleUpdate();
35 
36     schedule(schedule_selector(HelloWorld::timerHandler), 0.2f);
37     
38     return true;
39 }
40 
41 
42 void HelloWorld::menuCloseCallback(Ref* pSender)
43 {
44     Director::getInstance()->end();
45 
46 #if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
47     exit(0);
48 #endif
49 }
50 
51 void HelloWorld::update(float delta){
52     //log("update");
53     label->setPosition(label->getPosition()+Vec2(1,1));
54     //the following line has the same effect with the above line.
55     //label->runAction(MoveBy::create(1.0f, Point(1, 1)));
56 }
57 
58 void HelloWorld::timerHandler(float delta){
59     label->setPosition(label->getPosition() + Vec2(1, 1));
60 }

 1 // on "init" you need to initialize your instance
 2 bool HelloWorld::init()
 3 {
 4     //////////////////////////////
 5     // 1. super init first
 6     if ( !Layer::init() )
 7     {
 8         return false;
 9     }
10       UserDefault::getInstance()->setStringForKey("data" , "success");
11      log("%s", UserDefault::getInstance()->getStringForKey("data", "fail").c_str());
12     return true;
13 }