Cocos2d-x Timers (Automatic timers and custom timers)

Cocos2d-x Timers (Automatic timers and custom timers)

HelloWorldScene.h

1 #ifndef __helloworld_scene_h__2 #define__helloworld_scene_h__3 4#include"cocos2d.h"5 6 classHelloWorld: PublicCocos2d::layer7 {8     9 Private:TenCocos2d::labelttf *label;//define a label to display the moved picture One      A      -  Public: -     //there ' s no ' id ' in CPP, so we recommend returning the class instance pointer the     Staticcocos2d::scene*Createscene (); -  -     //Here ' s a difference. Method ' init ' in cocos2d-x returns BOOL, instead of returning ' ID ' in Cocos2d-iphone -     Virtual BOOLinit (); +  -     //implement the "Static Create ()" Method manually + Create_func (HelloWorld); A      at     //Override the Update method (the interval of time, which is the interval between two frames), and he executes it once at each frame . -     Virtual voidUpdatefloatDT); -      -     //custom methods for changing the time interval -     Virtual voidTimerhandler (floatDT); - }; in  - #endif //__helloworld_scene_h__

HelloWorldScene.cpp

1#include"HelloWorldScene.h"2#include"cocostudio/cocostudio.h"3#include"ui/cocosgui.h"4 5 using_ns_cc;6 7 using namespaceCocostudio::timeline;8 9scene*Helloworld::createscene ()Ten { One     //' Scene ' is an Autorelease object AAuto scene =scene::create (); -      -     //' Layer ' is an Autorelease object theAuto Layer =helloworld::create (); -  -     //add layer as a child to scene -Scene->addChild (layer); +  -     //return the scene +     returnscene; A } at  - //On "Init" need to initialize your instance - BOOLHelloworld::init () - { -     ////////////////////////////// -     //1. Super init First in     if( !layer::init ()) -     { to         return false; +     } -      theLabel = Labelttf::create ("Bobo","Courier", -); * addChild (label); $     Panax Notoginseng      -     //you can set the time interval to automatically convert a method to a pointer type by using the Schedule_selector () method theSchedule (Schedule_selector (Helloworld::timerhandler),1); +      A     //time interval cannot be adjusted the //scheduleupdate ();//start the update and let it perform the move +      -      $     return true; $ } -  - //implement a custom method that can change the time interval the voidHelloworld::timerhandler (floatDT) { -     WuyiLog">>>>>>>>>>>>>"); the     //set Move Label object, move the upper right corner of each frame (1, 1) -Label->setposition (label->getposition () + Point (Ten,Ten)); Wu      -     //ways to stop moving About     if(Label->getpositionx () > -) { $Unscheduleupdate ();//Stop Moving -     } -  -      A } +  the  - //implement the Update method and constantly move the label $ voidHelloworld::update (floatDT) { the      the     //set Move Label object, move the upper right corner of each frame (1, 1) theLabel->setposition (label->getposition () + Point (1,1)); the      -     //ways to stop moving in     if(Label->getpositionx () > -) { theUnscheduleupdate ();//Stop Moving the     } About      the}

Cocos2d-x Timers (Automatic timers and custom timers)