cocos2dx源码：背景层封装类

概述头文件BackgroundLayer.h #ifndef __BBACKGROUNDLAYER_H__#define __BBACKGROUNDLAYER_H__#include "cocos2d.h"NS_CC_BEGINclass BackgroundLayer : public LayerColor{protected: GLuint m_wrapS; GLu

头文件BackgroundLayer.h

#ifndef __BBACKGROUNDLAYER_H__#define __BBACKGROUNDLAYER_H__#include "cocos2d.h"NS_CC_BEGINclass BackgroundLayer : public Layercolor{protected:    gluint m_wrapS;    gluint m_wrapT;public:    static BackgroundLayer* create(const color4B& color);    static BackgroundLayer* create(const char* pszfilename,Size &winSize,gluint wrapS = 0,gluint wrapT = 0);    static BackgroundLayer* create(const char* pszfilename,gluint wrapT = 0);    virtual bool init(const char* pszfilename,gluint wrapS,gluint wrapT);};NS_CC_END#endif

源文件BackgroundLayer.cpp

#include "BackgroundLayer.h"USING_NS_CC;BackgroundLayer* BackgroundLayer::create(const char* pszfilename,Size &winSize,gluint wrapT){    BackgroundLayer* pobLayer = new BackgroundLayer();    if (pobLayer && pobLayer->init(pszfilename,winSize,wrapS,wrapT))    {        pobLayer->autorelease();        return pobLayer;    }    else    {        CC_SAFE_DELETE(pobLayer);        return NulL;    }}BackgroundLayer* BackgroundLayer::create(const char* pszfilename,gluint wrapT){    BackgroundLayer* pobLayer = new BackgroundLayer();    Size winSize = Director::getInstance()->getWinSize();    if (pobLayer && pobLayer->init(pszfilename,wrapT))    {        pobLayer->autorelease();        return pobLayer;    }    else    {        CC_SAFE_DELETE(pobLayer);        return NulL;    }}BackgroundLayer* BackgroundLayer::create(const color4B& color){    BackgroundLayer* pobLayer = new BackgroundLayer();    if (pobLayer && pobLayer->initWithcolor(color))    {        pobLayer->autorelease();        return pobLayer;    }    else    {        CC_SAFE_DELETE(pobLayer);        return NulL;    }}bool BackgroundLayer::init(const char* pszfilename,gluint wrapT){    if (Layercolor::init())    {        if (!wrapS && !wrapT)        {            Sprite* bgImage = Sprite::create(pszfilename);            if (bgImage)            {                Size bgImageSize = bgImage->getContentSize();                bgImage->setScale(winSize.wIDth / bgImageSize.wIDth,winSize.height / bgImageSize.height);                this->addChild(bgImage);                bgImage->setposition(Point(winSize.wIDth/2,winSize.height/2));                this->setContentSize(winSize);                return true;            }        }        else        {            Rect winRect(0,0,winSize.wIDth,winSize.height);            Sprite* bgImage = Sprite::create(pszfilename,winRect);            if (bgImage)            {                Texture2D::TexParams tp = {GL_liNEAR,GL_liNEAR,wrapT};                bgImage->getTexture()->setTexParameters(tp);                Size bgImageSize = bgImage->getContentSize();                this->addChild(bgImage);                bgImage->setposition(Point(winSize.wIDth/2,winSize.height/2));                this->setContentSize(winSize);                return true;            }        }    }    return false;}

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