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Andras Schmelczer 2026-08-22 18:35:53 +01:00
commit 5017ff168a
1 changed files with 1004 additions and 2007 deletions
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18
shared/src/physics/resolve-circle-movement.ts
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@ -3,17 +3,13 @@ import { PhysicsBody, Sdf } from './sdf';
import { depenetrateCircle } from './depenetrate-circle';
import { marchCircle } from './march-circle';
// The position-resolution half of the backend's CirclePhysical.stepManually,
// extracted so server and client integrate a body identically. The caller is
// responsible for the broadphase (gathering `possibleIntersectors`, including
// the swept-radius bump) because that depends on each side's spatial structure;
// everything from depenetration onward lives here.
//
// `onHit` is threaded through to marchCircle so the backend can dispatch its
// collision reactions at the same points as before (including the second,
// post-bounce slide march); the client passes none. Velocity is reset to zero
// at the end — the character re-applies all forces from zero every tick, so a
// body that retained velocity would double-integrate and diverge.
// Position-resolution half of CirclePhysical.stepManually, extracted so server
// and client integrate a body identically. The caller owns the broadphase
// (gathering `possibleIntersectors`, incl. the swept-radius bump); everything
// from depenetration onward lives here. `onHit` is threaded to marchCircle so
// the backend dispatches collision reactions at the same points; the client
// passes none. Velocity is reset at the end — the character re-applies all
// forces from zero every tick, so retained velocity would double-integrate and diverge.
export const resolveCircleMovement = (
body: PhysicsBody,
deltaTimeInSeconds: number,