At first, Orbit Simulator looks like a standard gravitation simulator because that’s exactly what it is. It does allow you to create planets and make asteroids orbit them. Physical laws are reproduced in a somewhat realistic way: parabolic trajectories, elastic collisions, G forces and so on.
These rules are exactly what make the app useful for something else. They are embedded in nature; which means that the resulting patterns look familiar to us. They are natural. This allows for the creation of retro and almost psychedelic imagery that can be used either as a screen saver, a wallpaper or just for personal meditation.
The use of trails combines very simple 2D elements overtime to produce deeper and unexpected postcards.