Orrery

Orrery is a 2D gravity sandbox built in Java with LibGDX. You place planets, stars and black holes, drag to set their starting velocity, and watch orbits, collisions and slingshots play out in real time. There are trails, a camera that can follow any body, and a debug view showing velocity vectors and masses. It runs in the browser and on Android.

Java, LibGDX, Physics, Space

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By Rafay Ahmad (Bonevane).