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slime mould computer

A free generative art piece — play it in your browser, no install. Physarum polycephalum as a GPU network solver — 262k WebGL2 agents grow a transport network, then prune it to arteries. Default dish: the Lviv metro that was never built.

by @serhiileniv · serhiileniv/slime-mould-computer on GitHubLANG HTMLHOSTED ON SERHIILENIV.GITHUB.IOUPDATED 3 Sep 2026

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Controls: Click to drop a nutrient node (click one again to remove it)

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From the README

A single cell with no neurons, designing the metro Lviv never built.

Explore, then Optimise. 150 frames, sped up — no cuts. (mp4)

Open the live dish →

A WebGL2 simulation of Physarum polycephalum — the slime mould that reproduced the Tokyo rail network in a petri dish in Tero et al., Science 327 (2010).

262,144 agents crawl a lattice. Each one lays down a pheromone trail, sniffs three points ahead of itself, and turns toward whichever smells strongest. That is the whole rule. There is no graph algorithm in this repository — no Steiner tree, no MST, no Dijkstra.

Read the full README on GitHub →

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