Ashley Newson 07ef98a578 Improve map-generated roads for awkward symmetries ...

For awkward symmetries (where there is mirroring and/or non-grid
aligned rotations), road planning now runs an extra filtering step so
that only sufficiently symmetric road plans make it to the tiling
stage.

Road planning also now extends out-of-map-bounds to more accurately
accommodate awkward rotations, improving the symmetry of pre-filtered
road plans.

A previous filter, which removes nearly horizontal or vertical roads
is now removed, as this is not fair to all rotations. This step is
less importance since the introduction of relaxed tiling.

Note that roads may be dropped entirely if the plans come out highly
asymmetric. This is not uncommon for awkward rotations. This is
preferred over presenting a map with asymmetric roads.

2025-04-25 15:09:27 +03:00

70 KiB

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