import type { Vector3 } from '@holoscript/core';
/**
 * RaycastSystem.ts
 *
 * Raycasting: ray-AABB, ray-sphere, ray-plane intersection tests,
 * distance sorting, layer masks, and batch queries.
 *
 * @module physics
 */
export interface Ray {
    origin: Vector3;
    direction: Vector3;
}
export interface AABB {
    min: Vector3;
    max: Vector3;
}
export interface Sphere {
    center: Vector3;
    radius: number;
}
export interface Plane {
    normal: Vector3;
    distance: number;
}
export interface RayHit {
    entityId: string;
    distance: number;
    point: Vector3;
    normal: Vector3;
}
export interface Collider {
    entityId: string;
    type: 'aabb' | 'sphere' | 'plane';
    shape: AABB | Sphere | Plane;
    layer: number;
}
export declare class RaycastSystem {
    private toArr;
    private colliders;
    addCollider(collider: Collider): void;
    removeCollider(entityId: string): void;
    getColliderCount(): number;
    raycast(ray: Ray, maxDistance?: number, layerMask?: number): RayHit | null;
    raycastAll(ray: Ray, maxDistance?: number, layerMask?: number): RayHit[];
    private rayAABB;
    private raySphere;
    private rayPlane;
    private normalize;
}
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