The ruler a rule measures with, chosen by name where the choice itself is data: a movement rule walks chebyshev, a blast falls off with euclidean, a four-way maze counts manhattan.
chebyshev
euclidean
manhattan
The ruler a rule measures with, chosen by name where the choice itself is data: a movement rule walks
chebyshev, a blast falls off witheuclidean, a four-way maze countsmanhattan.