cocos2d学习(03)——AppDelegate类中applicationDidFinishLaunching函数分析

AppDelegate类中applicationDidFinishLaunching函数分析

 

   1: bool AppDelegate::applicationDidFinishLaunching() {

   2:     // initialize director    初始化导演

   3:     CCDirector* pDirector = CCDirector::sharedDirector();

   4:     //导演Director也是单例模式的，只能有一个导演

   5:     /*    CCDirector* CCDirector::sharedDirector(void)

   6:         {

   7:             if (!s_SharedDirector)    //导演不存在的时候

   8:             {                        //创建一个导演

   9:                 s_SharedDirector = new CCDisplayLinkDirector();

  10:                 s_SharedDirector->init();

  11:             }

  12: 

  13:             return s_SharedDirector;    //返回导演

  14:         }

  15:     //单例模式的一个重要的实现方法，私有化构造函数和静态类指针

  16:         static CCDisplayLinkDirector *s_SharedDirector = NULL;

  17:     *****************************************************/

  18:     CCEGLView* pEGLView = CCEGLView::sharedOpenGLView();

  19:  

  20:     pDirector->setOpenGLView(pEGLView);

  21:     

  22:     // turn on display FPS  turn on对准；对…进行突击

  23:     //display显示 (=feet per second)英尺/秒n.【摄】张 / 秒

  24:     pDirector->setDisplayStats(true);

  25:  

  26:     // set FPS. the default value is 1.0/60 if you don't call this

  27:     //设置FPS的默认值为60张每秒。

  28:     pDirector->setAnimationInterval(1.0 / 60);

  29:  

  30:     // create a scene. it's an autorelease object

  31:     //创建一个场景scene，他会自动释放对象(对象管理池)

  32:     CCScene *pScene = HelloWorld::scene();   //要做的事情都在这里，多数内容都加在这里面

  33: //            CCAction* CCAction::create()

  34: //            {

  35: //                CCAction * pRet = new CCAction();

  36: //                pRet->autorelease();    //对象调用创建的时候

  37: //                return pRet;

  38: //            }

  39: //

  40: //            CCObject* CCObject::autorelease(void)

  41: //            {    //将创建的对象加入到对象管理池

  42: //                CCPoolManager::sharedPoolManager()->addObject(this);

  43: //                return this;

  44: //            }

  45: //            //对象管理池也是单实例的

  46: //            CCPoolManager* CCPoolManager::sharedPoolManager()

  47: //            {

  48: //                if (s_pPoolManager == NULL)

  49: //                {

  50: //                    s_pPoolManager = new CCPoolManager();

  51: //                }

  52: //                return s_pPoolManager;

  53: //            }

  54: //

  55: //            void CCPoolManager::addObject(CCObject* pObject)

  56: //            {

  57: //                getCurReleasePool()->addObject(pObject);

  58: //            }

  59:  

  60:     // run 运行。由导演来使用这个场景

  61:     pDirector->runWithScene(pScene);

  62:     //返回成功

  63:     return true;

  64: }