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Gravity: the Planet guard refuses an unphysical well; tests pin the Roche rule, per-body multipliers, the core band and Ship's order

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A WellStrength that evaluates negative, NaN or infinite now throws at construction (it built an
antimass well with NaN height). New tests: the core-inside-Roche guard judged at every mass on
curves that cross in the generated range; per-body multipliers move neither strength, core nor
Roche limit; potential and force consistency inside the cores' outer bands (0.5 R to R); a
moving Ship feels the field where it has moved to.

Not built or run locally; verified in the Yggdrasil job.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Meta Vens 2026-10-15 06:36:02 +02:00
commit c4dfd905ff
3 changed files with 131 additions and 3 deletions
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2
Assets/Scripts/ServerShared/Zone.cs
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@ -712,6 +712,8 @@ public class Planet
WellStrength = Settings.WellStrength.Evaluate(BodyData.Mass);
CoreRadius = Settings.CoreRadius.Evaluate(BodyData.Mass);
RocheLimit = Settings.RocheLimit.Evaluate(BodyData.Mass);
if (!(WellStrength >= 0f) || float.IsInfinity(WellStrength))
throw new InvalidOperationException("A body's well strength must be finite and not negative (PlanetSettings.WellStrength).");
if (WellStrength > 0 && !(0 < CoreRadius && CoreRadius < RocheLimit))
throw new InvalidOperationException("A body's core radius must be positive and inside its Roche limit (PlanetSettings.CoreRadius, RocheLimit).");
}