Physics Simulations
Real-time WebGL physics experiments.
Gravity, black holes, and N-body particle systems.
Simulations (10)


Gravity Engine
2D · CanvasReal-time N-body orbital mechanics with drag-and-drop mass insertion.


3D Black Hole
3D · WebGLWebGL simulation with gravitational lensing and relativistic Doppler effects.


N-Particle Sandbox
3D · CanvasO(N²) N-body simulation where every particle interacts with all others.


Strange Attractors
2D · ChaosLorenz, Rössler & Thomas chaotic attractors with RK4 integration and glowing 3D trails.


Boids Flocking
2D · CanvasCraig Reynolds' emergent flocking algorithm — separation, alignment and cohesion.


Electric Field
2D · CanvasPlace charges and watch real-time Coulomb field lines and equipotential surfaces draw.


Magnetic Pendulum
2D · FractalA chaotic pendulum above magnets reveals a stunning fractal basin-of-attraction map.


Fluid SPH
2D · SPHSmoothed Particle Hydrodynamics — real-time 2D water simulation with pressure and viscosity.


Solar System
2D · OrbitalReal-scale 8-planet orbital simulation with Kepler mechanics and adjustable time speed.


Falling Sand
2D · AutomataCellular automata sandbox — paint with sand, water, fire and stone.