This version is compiling with Box2D's library on windows , so if your OS is Linux , you should replace the libBox2D.a with the one in "Library/Macs".
About Directory
•AngryBird : main program all in here.
◦Box2D : box2D's header file.
◦image : store the image.
•UMLDiagram : pictures of UML Diagram.
•Library : provide with different library for OS.