import type { Vector3 } from '@holoscript/core';
/**
 * RopeSystem.ts
 *
 * Verlet rope/chain: segment links, tension, pin/attach points,
 * gravity, damping, and length constraints.
 *
 * @module physics
 */
export interface RopeNode {
    position: Vector3;
    previous: Vector3;
    mass: number;
    pinned: boolean;
}
export interface RopeConfig {
    segmentCount: number;
    segmentLength: number;
    gravity: Vector3;
    damping: number;
    iterations: number;
    elasticity: number;
}
export interface RopeAttachment {
    nodeIndex: number;
    entityId: string;
    offset: Vector3;
}
export declare class RopeSystem {
    private toArr3;
    private ropes;
    createRope(id: string, start: Vector3 | {
        x: number;
        y: number;
        z: number;
    }, end: Vector3 | {
        x: number;
        y: number;
        z: number;
    }, config?: Partial<RopeConfig>): void;
    pinNode(ropeId: string, nodeIndex: number): void;
    unpinNode(ropeId: string, nodeIndex: number): void;
    attach(ropeId: string, attachment: RopeAttachment): void;
    update(dt: number): void;
    getRopeNodes(ropeId: string): RopeNode[];
    getRopeLength(ropeId: string): number;
    getTension(ropeId: string, nodeIndex: number): number;
    getRopeCount(): number;
    removeRope(id: string): void;
}
//# sourceMappingURL=RopeSystem.d.ts.map