Nape is a powerful, fast, and friendly 2D Rigid Body physics engine for AS3/Haxe. Nape is open-source and free to use for personal and commercial projects. Available for AS3 through .swc libraries and Haxe via haxelib. Features: Rigid Body physics with Buoyancy and a variety of Constraints. Convex-Polygon and Circle shape types. Powerful, high-level Callbacks system. Pixels as units of distance. C