I find a reason.
CCDirector *pDirector = CCDirector::sharedDirector();
pDirector->setOpenGLView(CCEGLView::sharedOpenGLView());
CCSize screenSize = CCEGLView::sharedOpenGLView()->getFrameSize();
CCSize designSize = CCSizeMake(480, 320);
std::vector<std::string> searchPaths;
if (screenSize.height > 320)
{
searchPaths.push_back("hd");
searchPaths.push_back("sd");
pDirector->setContentScaleFactor(640.0f/designSize.height);
}
else
{
searchPaths.push_back("sd");
pDirector->setContentScaleFactor(320.0f/designSize.height);
}
CCFileUtils::sharedFileUtils()->setSearchPaths(searchPaths);
CCEGLView::sharedOpenGLView()->setDesignResolutionSize(designSize.width, designSize.height, kResolutionShowAll);
After setContentScaleFactor function call.. It make a this bug.
🙂