@rpgjs/physic/dist/collision/sweep.d.ts

A deterministic 2D top-down physics library for RPG, sandbox and MMO games

import { Vector2 } from '../core/math/Vector2';
import { Collider } from './Collider';
import { Entity } from '../physics/Entity';
export interface SweepResult {
    time: number;
    normal: Vector2;
    point: Vector2;
}
/**
 * Computes time-of-impact for a pair of entities using simple analytical sweeps.
 * Supports Circle-Circle, Circle-AABB, AABB-AABB. Polygon falls back to AABB sweep.
 *
 * @param a - First entity
 * @param b - Second entity
 * @param delta - World displacement of entity A over the step (A's motion, B assumed static). For relative motion, pass (vA - vB) * dt.
 * @returns SweepResult or null if no hit in [0,1]
 *
 * @example
 * ```typescript
 * const rel = entityA.velocity.sub(entityB.velocity).mul(dt);
 * const hit = sweepEntities(entityA, entityB, rel);
 * ```
 */
export declare function sweepEntities(a: Entity, b: Entity, delta: Vector2): SweepResult | null;
export declare function sweepColliders(a: Collider, b: Collider, delta: Vector2): SweepResult | null;
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