added an upper-right and lower left member to ccrect.
added an upper-right and lower left member to ccrect.

hig-ag/CocosSharp,MSylvia/CocosSharp,netonjm/CocosSharp,TukekeSoft/CocosSharp,mono/cocos2d-xna,haithemaraissia/CocosSharp,hig-ag/CocosSharp,zmaruo/CocosSharp,MSylvia/CocosSharp,mono/CocosSharp,TukekeSoft/CocosSharp,mono/cocos2d-xna,zmaruo/CocosSharp,mono/CocosSharp,haithemaraissia/CocosSharp,netonjm/CocosSharp