http://cn.cocos2d-x.org/article/index?type=wiki&url=/doc/cocos-docs-master/manual/framework/native/wiki/detailed-explanation-of-multi-resolution/zh.md
http://cn.cocos2d-x.org/tutorial/show?id=2505
cocos2d-x学习笔记
原文：http://www.cnblogs.com/siyuan-wang/p/4353275.html
