Box2DFlashAS3 2.0.1 Drag objects with the mouse. 'Left'/'Right' arrows to go to previous/next example. 'R' to reset. Update: Version 2.0.1 released!. Box2DFlashAS3 is an open source port of Erin Catto's powerful c++ physics library Box2D. Cycle through the demos above to see some of the features. Full source code for the engine and examples can be downloaded from the project's sourceforge page fou