cocos2dx 背景无限滚动

概述#include "BaseLayer.h"BaseLayer::BaseLayer(){}BaseLayer::~BaseLayer(){}bool BaseLayer::init(){ bool bRes = false; do { CC_BREAK_IF(!Layer::init()); bRes = true; } while (0); re

#include "BaseLayer.h"BaseLayer::BaseLayer(){}BaseLayer::~BaseLayer(){}bool BaseLayer::init(){	bool bRes = false;	do 	{		CC_BREAK_IF(!Layer::init());		bRes = true;	} while (0);	return bRes;}voID BaseLayer::SetBkGround( const char* bkImage ){	m_SpBk1 = Sprite::create(bkImage);	m_SpBk1->setAnchorPoint(Vec2::ZERO);	m_SpBk1->setScale(GetWinSize().wIDth / m_SpBk1->getContentSize().wIDth);	m_SpBk1->setposition(Vec2::ZERO);	m_SpBk2 = Sprite::create(bkImage);	m_SpBk2->setFlipX(true);	m_SpBk2->setAnchorPoint(Vec2::ZERO);	m_SpBk2->setScale(GetWinSize().wIDth / m_SpBk1->getContentSize().wIDth);	m_SpBk2->setposition(Vec2(GetWinSize().wIDth,0));	this->addChild(m_SpBk1);	this->addChild(m_SpBk2);	this->schedule(schedule_selector(BaseLayer::ScrollBkGround),1/60);}Size BaseLayer::GetWinSize(){	return Director::getInstance()->getWinSize();}voID BaseLayer::ScrollBkGround(float dt){		if (m_SpBk1->getpositionX() <= -GetWinSize().wIDth)	{				m_SpBk1->setposition(GetWinSize().wIDth,0);	}	if (m_SpBk2->getpositionX() <= -GetWinSize().wIDth)	{				m_SpBk2->setposition(GetWinSize().wIDth,0);	}	m_SpBk1->setposition(Vec2(m_SpBk1->getpositionX() - 1,0));	m_SpBk2->setposition(Vec2(m_SpBk2->getpositionX() - 1,0));}

#ifndef __BASELAYER_H__#define __BASELAYER_H__#include "cocos2d.h"USING_NS_CC;class BaseLayer : public Layer{public:	BaseLayer();	~BaseLayer();	virtual bool init() overrIDe;	Size GetWinSize();	voID SetBkGround(const char* bkImage);	voID ScrollBkGround(float dt);private:	Sprite *m_SpBk1;	Sprite *m_SpBk2;};#endif

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