import type { PhysicsWorld } from './physics-world.js';
import { Collider } from './collider.js';
export interface HitResult {
    collider: Collider;
    gameObject: import('@certe/atmos-core').GameObject;
    point: Float32Array;
    normal: Float32Array;
    distance: number;
}
/** Invalidate the cached collider map. Call once per frame or when colliders change. */
export declare function invalidateColliderMap(): void;
/**
 * Physics query utilities.
 * Set Physics.current in your bootstrap (done automatically by PhysicsSystem).
 * Methods work with the current world, or accept an explicit world override.
 */
export declare class Physics {
    /** The active PhysicsWorld, set automatically by PhysicsSystem. */
    static current: PhysicsWorld | null;
    private static _getWorld;
    /** Cast a ray and return the first hit, or null. */
    static raycast(origin: Float32Array, dir: Float32Array, maxDist: number, world?: PhysicsWorld): HitResult | null;
    /** Cast a ray and return all hits. */
    static raycastAll(origin: Float32Array, dir: Float32Array, maxDist: number, world?: PhysicsWorld): HitResult[];
    /** Find the first collider overlapping a sphere at the given center and radius. */
    static sphereCast(center: Float32Array, radius: number, world?: PhysicsWorld): HitResult | null;
    /** Find all colliders overlapping a sphere. */
    static sphereCastAll(center: Float32Array, radius: number, world?: PhysicsWorld): HitResult[];
    /** Find the first collider overlapping a box at the given center with half-extents. */
    static boxCast(center: Float32Array, halfExtents: Float32Array, world?: PhysicsWorld): HitResult | null;
    /** Find all colliders overlapping a box. */
    static boxCastAll(center: Float32Array, halfExtents: Float32Array, world?: PhysicsWorld): HitResult[];
}
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