Both routers and the tiling reveal, live and embedded below. These are the real engines from this
page's src/, served by the wiki, so they need no container and stay up.
Drag the sliders, switch presets, and move the pointer over each board.
1 · Tiling router · repeating torus tile
Occupancy-grid A* router on a torus. Twelve generation knobs, a cursor-fed signal fountain, and five animation presets. Engine: circuit-background.js.