cocos2d-x 实现游戏中的系统公告

概述CTestLayer.h #ifndef __TEST_LAYER__#define __TEST_LAYER__#include "cocos2d.h"USING_NS_CC;class CTestLayer : public cocos2d::CCLayer{public: CTestLayer(void); ~CTestLayer(void); virtual boo

CTestLayer.h

#ifndef __TEST_LAYER__#define __TEST_LAYER__#include "cocos2d.h"USING_NS_CC;class CTestLayer : public cocos2d::cclayer{public:	CTestLayer(voID);	~CTestLayer(voID);	virtual bool init();	CREATE_FUNC(CTestLayer);	virtual voID update(float dt);	cclabelTTF* text1;	cclabelTTF* text2;};#endif //__TEST_LAYER__

CTestLayer.cpp

#include "TestLayer.h"CTestLayer::CTestLayer(voID){}CTestLayer::~CTestLayer(voID){}bool CTestLayer::init(){	bool bRet = false;	do 	{		CC_BREAK_IF(!cclayer::init());		CCSize visibleSize=CCDirector::sharedDirector()->getVisibleSize();		CCSpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithfile("ui_serverList.pList");		//垂直滚动字幕		CCSprite* Listbase=CCSprite::createWithSpriteFrame(CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByname("login_Listbase.png"));		Listbase->setposition(ccp(visibleSize.wIDth/2,visibleSize.height/2+10));		this->addChild(Listbase);		text1=cclabelTTF::create("1.Hi! Welcome to JackyStudio,\nMy Blog is\nblog.csdn.net/jackystudio!\n2.Hi! Welcome to JackyStudio,\nMy Blog is\nblog.csdn.net/jackystudio!\n3.Hi! Welcome to JackyStudio,\nMy Blog is\nblog.csdn.net/jackystudio!\n4.Hi! Welcome to JackyStudio,\nMy Blog is\nblog.csdn.net/jackystudio!","Arial",12);		text1->setHorizontalAlignment(kCCTextAlignmentleft);		text1->setAnchorPoint(ccp(0.5,1));		text1->setposition(ccp(visibleSize.wIDth/2,visibleSize.height/2-55));		this->addChild(text1);		CCSprite* fg=CCSprite::create("fg.png");		fg->setposition(ccp(visibleSize.wIDth/2,visibleSize.height/2));		this->addChild(fg);		//水平滚动公告		CCSprite* textbase=CCSprite::createWithSpriteFrame(CCSpriteFrameCache::sharedSpriteFrameCache()->spriteFrameByname("login_textbase.png"));		textbase->setposition(ccp(visibleSize.wIDth/2,50));		textbase->setScaleX(2.5f);		this->addChild(textbase);		text2=cclabelTTF::create("Hi! Welcome to JackyStudio,My Blog is blog.csdn.net/jackystudio!",12);		text2->setposition(ccp(visibleSize.wIDth+text2->getContentSize().wIDth/2,50));		text2->setcolor(ccc3(255,0));		this->addChild(text2);		this->scheduleUpdate();		bRet = true;	} while (0);	return bRet;}voID CTestLayer::update( float dt ){	CCSize visibleSize=CCDirector::sharedDirector()->getVisibleSize();	int newY = text1->getpositionY()+1;	if (newY == 500)	{		newY = visibleSize.height/2-55;	}	text1->setpositionY(newY);	int newX = text2->getpositionX()-1;	if (newX <= -text2->getContentSize().wIDth/2)	{		newX = visibleSize.wIDth+text2->getContentSize().wIDth/2;	}	text2->setpositionX(newX);}

使用：

CTestLayer* testLabel = CTestLayer::create();		CC_BREAK_IF(!testLabel);		this->addChild(testLabel);

运行效果：

 总结

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