I improved my JBox2D Editor a bit, so you can now Drag & Drop Shapes from the Palette to the Visual Editor. I also created a BodyNode that exposes a Bodies properties instead of the BeanNode. There’s a new view that allows you to simulate the World you design. That thing is slowly approaching the state of being almost useful. If I manage to fix all the bugs, that get my views out of sync, add some more Palette Items and a couple more Widget actions, I can finally use it to design the Worlds for my Physics games instead of handcoding them:
The complete project is available on GitHub. Enjoy!