1.Cocos2dx对精灵的优化
http://www.cocoachina.com/bbs/read.php?tid=196135
2.lambda表达式的使用
http://www.cocoachina.com/bbs/read.php?tid=195070
3.Cocos2dx 3.0截屏功能
http://www.cocoachina.com/bbs/read.php?tid=196339
http://www.cocoachina.com/bbs/read.php?tid=196416
5.变速示意图