This is a physics simulation that uses Box2d and AndEngine. You can add any number of randomly sized rectangles, flingable discs, and orbiting moons to the screen. Everything responds to gravity.
It's open-source: https://github.com/elliptic1/Rectangles
Last updated on 2016年09月19日
2.0 Added a home screen where you can determine how many discs, moons, and rectangles you want. The fling force line is more solid. There is a menu option that will take you back to the home screen.
1.3 You can flick the discs. A line is drawn while your finger is down to indicate the direction and speed that the disc will go when you lift your finger. The Home and Back buttons work.
