cocos2d-x游戏开发(十五)游戏加载动画loading界面

个人原创，欢迎转载：http://www.jb51.cc/article/p-xryqknmf-zw.html

这个资源加载的loading界面demo是在玩客网做逆转三国的时候随手写的，虽然我在那只待了2个礼拜，但是也算参与了一个商业游戏项目了，学到不少东西。当时使用的cocos2d-x还是1.0版的，我用2.1.2的调试过了。

上图：

好了，很简单，代码有注释

[cpp]view plaincopyprint? 
   
 #include"HelloWorldScene.h"
 #include"SimpleAudioEngine.h"
 
 usingnamespacecocos2d;
 usingnamespaceCocosDenshion;
 
 CCScene*HelloWorld::scene()
 {
 //'scene'isanautoreleaSEObject
 CCScene*scene=CCScene::create();
 //'layer'isanautoreleaSEObject
 HelloWorld*layer=HelloWorld::create();
//addlayerasachildtoscene
 scene->addChild(layer);
//returnthescene
 returnscene;
 }
//on"init"youneedtoinitializeyourinstance
 boolHelloWorld::init()
//////////////////////////////
//1.superinitfirst
 if(!CCLayer::init())
 returnfalse;
 m_iLoadIdex=0;
/////////////////////////////
//2.addamenuitemwith"X"image,whichisclickedtoquittheprogram
//youmaymodifyit.
//adda"close"icontoexittheprogress.it'sanautoreleaSEObject
 CCMenuItemImage*pCloseItem=CCMenuItemImage::create(
 "CloseNormal.png",
 "CloseSelected.png",
 this,153); list-style:decimal-leading-zero outside; color:inherit; line-height:20px; margin:0px!important; padding:0px 3px 0px 10px!important"> menu_selector(HelloWorld::menuCloseCallback));
 pCloseItem->setPosition(ccp(CCDirector::sharedDirector()->getWinSize().width-20,20));
//createmenu,it'sanautoreleaSEObject
 CCMenu*pMenu=CCMenu::create(pCloseItem,NULL);
 pMenu->setPosition(CCPointZero);
 this->addChild(pMenu,1);
/////////////////////////////
//3.addyourcodesbelow...
//addalabelshows"HelloWorld"
//createandinitializealabel
 CCLabelTTF*pLabel=CCLabelTTF::create("HelloWorld","Thonburi",34);
//askdirectorthewindowsize
 CCSizesize=CCDirector::sharedDirector()->getWinSize();
//positionthelabelonthecenterofthescreen
 pLabel->setPosition(ccp(size.width/2,size.height-20));
//addthelabelasachildtothislayer
 this->addChild(pLabel,0); background-color:inherit">//add"HelloWorld"splashscreen"
 CCSprite*pSprite=CCSprite::create("HelloWorld.png");
//positionthespriteonthecenterofthescreen
 pSprite->setPosition(ccp(size.width/2,size.height/2));
//addthespriteasachildtothislayer
 this->addChild(pSprite,0);
//loading边框
 m_progressFrame=CCSprite::create("loading_fr.png");
 addChild(m_progressFrame,1);
 m_progressFrame->setPosition(ccp(240,50));
//loading的动作条
 m_progressBar=CCProgressTimer::create(CCSprite::create("loading_bar.png"));
 m_progressBar->setType(kCCProgressTimerTypeBar);
 addChild(m_progressBar);
 m_progressBar->setVisible(true);
 m_progressBar->setPosition(ccp(241,51));
//进度动画运动方向，从左到右
 m_progressBar->setMidpoint(ccp(0,0));
//宽高变化，这里是宽度变化
 m_progressBar->setBarChangeRate(ccp(1,153); list-style:decimal-leading-zero outside; color:inherit; line-height:20px; margin:0px!important; padding:0px 3px 0px 10px!important"> m_progressBar->setPercentage(0);
//loading动画，没有逻辑处理，实际情况则注释掉
 CCProgressTo*to=CCProgressTo::create(10,100);
 m_progressBar->runAction(to);
//实际的loading逻辑，可以在这里加入
//scheduleUpdate();
 returntrue;
 voidHelloWorld::update(floatdt)
 {
 m_iLoadIdex++;
 if(m_iLoadIdex<=50){
 loadResource(m_iLoadIdex);
 m_progressBar->setPercentage(m_iLoadIdex*100.0/50);
 if(m_iLoadIdex>=50){
 unscheduleUpdate();
 }
//实际的loading逻辑，加载资源可以在这里添加。
//这里只用了sleep来模拟
 voidHelloWorld::loadResource(intindex)
 CCLog("loading....");
 switch(index){
 case0:
 break;
 default:
 sleep(1.0);
 break;
 voidHelloWorld::menuCloseCallback(CCObject*pSender)
 CCDirector::sharedDirector()->end();
 #if(CC_TARGET_PLATFORM==CC_PLATFORM_IOS)
 exit(0);
 #endif
 }

东西太简单，还需要上传demo源码么。要的留言原文链接：https://www.f2er.com/cocos2dx/342226.html

cocos2d-x游戏开发(十五)游戏加载动画loading界面

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