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A traffic robot follows three rules as it navigates a square grid. SEEK: Follow the directions of other robots. CLAIM: If on an empty space, claim that space. DIRECT: Cyclically send successive visiting robots north, east, south, or west. If robots are continually dropped into the center, the resulting growth is very circular. Jim Propp studied these robots first, as a refinement of the sandpile model.
Contributed by: Ed Pegg Jr (March 2011)
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: March 7 2011