gravity 3d
A free physics simulation — play it in your browser, no install. An interactive 3D universe simulation where hundreds of physical bodies orbit, collide, and react to your cursor in real time.
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Controls: Mouse Move: moves the glowing kinematic ball to deflect orbiting bodies
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Open the live demo Source on GitHubFrom the README
An interactive, high-performance 3D N-body gravitational physics simulation built with Three.js, Rapier 3D (WebAssembly), and Vite.
Hundreds of faceted icosahedral bodies are pulled toward a central gravitational singularity while colliding and tumbling in real-time 3D space. Users interact with the cluster via an emissive kinematic cursor sphere that deflects and scatters bodies with dynamic lighting and Unreal Bloom post-processing.
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