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Gravity Engine

Gravity Engine provides a complete toolkit for your space game physics.

– add stars, planets, and spaceships that interact via gravitational N-body or “on-rails”

– design orbits by shape and see their paths in the editor and scene

– manual orbit changes with clickable handles

– orbit transfers/rendezvous from any orbit to any orbit

– rocket engines with staging

– model of Earth atmosphere

– solar system builder: add any object in the JPL database

– use real-world units (km/AU, kg)

– full support for particles

– highly accurate double-precision physics, with a choice of algorithm/Kepler evolution