Three-Body Problem

2D gravitational simulation with full control ⚙️

Simulation

Presets

Δt (timestep)

G (constant)

Softening ε

Trail length

Center on COM

Show velocity vectors

Remove drift (p=0)

Merge on collision

Edit body

Select

Mass

Tip: on the canvas, click & drag to move the selected body. Hold Shift and drag from a body to draw its velocity vector. Hold Space and drag to pan. Scroll to zoom.

Shortcuts

Space Play/Pause · S Step · R Reset · 0 Recenter · T Toggle vectors

About

Integrator: Velocity-Verlet with gravitational softening ε. Total energy and linear momentum help evaluate numerical stability. This demo is educational; not a substitute for precision-grade computations. (Note: Font Awesome loads from a CDN.)