cocos2d-x适配多分辨率

现在用的2d-x版本是2.1.1。现在的项目要求是iphone ，iphone Retina，ipad和ipad Retina都有各自的路径来存放各自需要的资源。在AppDelegate的

applicationDidFinishLaunching()函数中根据屏幕分辨率来设置

, ),   "iPhone" };

*, *),   "iPhoneHD" };

, ),    "iPhoneTaller"};

, ),  "iPad"   };

, ), "iPadHD" };

, );

, );

, );

bool AppDelegate::applicationDidFinishLaunching()

{

// initialize director

CCDirector *pDirector = CCDirector::sharedDirector();

CCEGLView* pEGLView = CCEGLView::sharedOpenGLView();

pDirector->setOpenGLView(pEGLView);

std::vector<std::string> searchPath = CCFileUtils::sharedFileUtils()->getSearchPaths();

// Set the design resolution

pEGLView->setDesignResolutionSize(designResolutionSize.width, designResolutionSize.height, kResolutionNoBorder);

CCSize designSize = designResolutionSize;

CCSize frameSize = pEGLView->getFrameSize();

_isLongiPhone = false;

_isIpadHD = false;

_isIpadNormal = false;

// In this demo, we select resource according to the frame's height.

// If the resource size is different from design resolution size, you need to set contentScaleFactor.

// We use the ratio of resource's height to the height of design resolution,

// this can make sure that the resource's height could fit for the height of design resolution.

// if the frame's height is larger than the height of medium resource size, select large resource.

if (frameSize.height == iPadHDResource.size.height && frameSize.width == iPadHDResource.size.width)

{

searchPath.push_back(iPadHDResource.directory);

searchPath.push_back(iPhoneHDResource.directory);

designSize = designIpadResolutionSize;

pEGLView->setDesignResolutionSize(designSize.width, designSize.height, kResolutionNoBorder);

pDirector->setContentScaleFactor(iPadHDResource.size.height/designIpadResolutionSize.height);

_isIpadHD = true;

}

// if the frame's height is larger than the height of small resource size, select medium resource.

elseif (frameSize.height == iPadResource.size.height && frameSize.width == iPadResource.size.width)

{

searchPath.push_back(iPadResource.directory);

searchPath.push_back(iPhoneHDResource.directory);

designSize = designIpadResolutionSize;

pEGLView->setDesignResolutionSize(designSize.width, designSize.height, kResolutionNoBorder);

pDirector->setContentScaleFactor(iPadResource.size.height/designIpadResolutionSize.height);

_isIpadNormal = true;

}

// if the frame's height is smaller than the height of medium resource size, select small resource.

elseif (frameSize.height == iPhoneResource.size.height && frameSize.width == iPhoneResource.size.width)

{

searchPath.push_back(iPhoneResource.directory);

searchPath.push_back(iPhoneHDResource.directory);

pDirector->setContentScaleFactor(iPhoneResource.size.height/designResolutionSize.height);

}

elseif (frameSize.height == iPhoneHDResource.size.height && frameSize.width == iPhoneHDResource.size.width){

searchPath.push_back(iPhoneHDResource.directory);

pDirector->setContentScaleFactor(iPhoneHDResource.size.height/designResolutionSize.height);

designSize = designResolutionSize;

pEGLView->setDesignResolutionSize(designSize.width, designSize.height, kResolutionNoBorder);

}

elseif (frameSize.height == iPhoneTallerResource.size.height && frameSize.width == iPhoneTallerResource.size.width){

//push taller resources" directory first,so look for resources in  taller resources" directory first

searchPath.push_back(iPhoneTallerResource.directory);

searchPath.push_back(iPhoneHDResource.directory);

designSize = designTallerResolutionSize;

pEGLView->setDesignResolutionSize(designSize.width, designSize.height, kResolutionNoBorder);

pDirector->setContentScaleFactor(iPhoneTallerResource.size.height/designResolutionSize.height);

_isLongiPhone = true;

}

CCFileUtils::sharedFileUtils()->setSearchPaths(searchPath);

}

这样设置路径之后，进入游戏时会在
SearchPaths里寻找所需要的资源。需要注意的是各个路径下的资源文件相同就行了，不用根据是否未Retina而添加－HD后缀。