6.cocos2d设置定时器

• T1LayerAnchorPoint.h

  #pragma once
  #include "cocos2d.h"
  USING_NS_CC;
  
  class T1LayerAnchorPoint:public CCLayer
  {
  public:
      //create->init
      static T1LayerAnchorPoint*create();
      bool init();
      static CCScene *scene();
  
      //画线
      virtual void draw(cocos2d::Renderer *renderer, const cocos2d::Mat4& transform, uint32_t flags);
      //定时器函数
      void mySchedule(float dt);
  
      CCSprite *m_spr;
  };

• T1LayerAnchorPoint.cpp

  #include "T1LayerAnchorPoint.h"
  
  //创建层
  T1LayerAnchorPoint*T1LayerAnchorPoint::create()
  {
      T1LayerAnchorPoint *pRet = new T1LayerAnchorPoint();
      if (pRet && pRet->init())
      {
          pRet->autorelease();
      }
      else
      {
          delete pRet;
          pRet = NULL;
      }
      return pRet;
  
  }
  
  //初始化层
  bool T1LayerAnchorPoint::init()
  {
      CCLayer::init();
  
      CCSize winSize = CCDirector::sharedDirector()->getWinSize();
      m_spr = CCSprite::create("anchor1.png");
      //设置锚点
      m_spr->setAnchorPoint(ccp(0.5, 0.5));
      //设置放大大小
      m_spr->setScale(5.0f);
      m_spr->setPosition(ccp(winSize.width / 2, winSize.height / 2));
      addChild(m_spr);
      //设置定时器,每隔0.1秒调用一次mySchedule函数 TILayerAnchorPoint是一个宏定义,见下
      schedule(schedule_se　　lector(T1LayerAnchorPoint::mySchedule), 0.1);
  
      return true;
  }
  
  CCScene *T1LayerAnchorPoint::scene()
  {
      CCScene *scene = CCScene::create();
      T1LayerAnchorPoint *layer = T1LayerAnchorPoint::create();
      scene->addChild(layer);
      return scene;
  }
  
  void T1LayerAnchorPoint::draw(cocos2d::Renderer *renderer, const cocos2d::Mat4& transform, uint32_t flags)
  {
      CCSize winSize = CCDirector::sharedDirector()->getWinSize();
      ccDrawColor4B(255, 0, 0, 255);
  
      ccDrawLine(ccp(0, winSize.height / 2), ccp(winSize.width, winSize.height / 2));
      ccDrawLine(ccp(winSize.width / 2, 0), ccp(winSize.width / 2, winSize.height));
  }
  
  void T1LayerAnchorPoint::mySchedule(float dt)
  {
      static float ro = 0;
      ro += 1;//每隔0.1秒度数加1
      m_spr->setRotation(ro);
  }

详解schedule_selector宏定义