ludic/changes/zones.md
Orkuncakilkaya 8b85282502 ludic.zones: a disc per player from their fog, merged into clusters; the simulating packages ask whether a place is simulated
zones_set / zones_clear / zones_merge, zones_contains / zones_nearest and the clusters' bounding circles,
over fixed arrays of ZONES_MAX (16). WildlifeWorld.active freezes an animal outside (no state change, no
dice), NpcWorld.active a walker (and no birth outside), VehicleWorld.active a moored boat, and
ThingsWorld.restocks keeps a morning's restock inside; every default is "everywhere", so an unbound game
is unchanged. Tests: the merge (near players one cluster, far two, a player leaving splits a chain),
contains, nearest, the radius; wildlife, npc, vehicles and things pass as before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 15:53:23 +03:00

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bump: minor
type: feature
**`ludic.zones`: where a world is simulated.** A disc per player, `(x, z, r)` with `r = zones_radius(fog)`
(the fog distance plus 40 m, never under 150 m, 900 m with no fog), overlapping discs merged into
clusters with a bounding circle, and `zones_contains` / `zones_nearest` for everything that asks; fixed
arrays, nothing made per frame. The packages that simulate now ask their world port whether a place is
simulated, with a default of everywhere: `WildlifeWorld.active` (an animal outside is frozen - its
state kept, no dice drawn), `NpcWorld.active` (a walker outside is frozen, and nobody is born outside),
`VehicleWorld.active` (a moored boat outside is left where it lies) and `ThingsWorld.restocks` (a
morning restocks only inside).