Fly swarm simulator

Crawling flies on a window, with right of way, personal space and loop-flights. Fly = 8.5 px = 2.5 mm, 1 frame = 33.6 ms.

Look

Colour-code states

Trails Sky background

Right of way (second arriver yields) Fly away when repeatedly blocked Walls (instead of wrap-around)

Space pause · R reset · F / double-click fullscreen · H hide panel
C colours · T trails · [ ] speed · click a fly to follow it