Gravity Engine v13.1|Gravity Engine v13.1

 Gravity Engine v13.1 provides a complete toolkit for space game physics, enabling realistic orbital mechanics and gravitational interactions. Supports Unity 2021.3.23 or higher. Features include: - Adding stars, planets, and spaceships that interact via gravitational N-body or on-rails systems - Designing orbits by shape and visualizing their paths in the editor and scene - Manual orbit adjustments using clickable handles - Orbit transfers and rendezvous between any orbits - Rocket engines with staging support - A realistic Earth atmosphere model - Solar system builder that allows importing objects from the JPL database - Real-world units (km, AU, kg) for accurate simulations - Full particle system support - Highly accurate double-precision physics with selectable algorithms (Kepler evolution) - Full control over simulation speed, scale, and CPU usage