Galaxy Simulator v2 · Black Hole
10⁶ Stars · Schwarzschild Ray-Tracing · Deep Zoom
One continuous zoom from a million-star spiral galaxy down to the event horizon of Sgr A*. Ray-traced photon ring, Doppler-beamed accretion disk, real S-star orbits with 1PN precession — and you can throw stars in to watch them get spaghettified.
v1.0.0 · classicGalaxy Simulator
N-Body · Barnes–Hut · Leapfrog
150k self-gravitating stars on a Milky-Way-calibrated disk + bulge + NFW halo. Spiral arms emerge from Toomre instability.
v0.1.0 · newParticle Life
Emergent · Asymmetric Forces
Thousands of colored particles obeying simple attraction/repulsion rules. Cells, chasers, and lifelike structures self-assemble from pure chaos.