/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import { Intersection, Matrix4, Vector3 } from 'three';
import { EnvironmentManager } from '../environment/environment-manager.js';
export declare class LocomotionEngine {
    playerPosition: Vector3;
    private playerVelocity;
    private movementVector;
    private ray;
    private capsuleInfo;
    lastUpdateTime: number;
    private rayPoints;
    private rayVector;
    private upAxis;
    private gravityDir;
    private environmentManager;
    private groundDetector;
    private collisionHandler;
    private movementController;
    groundDecel: number;
    positionUpdateTimeout: number;
    gravity: number;
    rayGravity: number;
    updating: boolean;
    isGrounded: boolean;
    isGroundedOnStatic: boolean;
    maxDropDistance: number;
    jumpHeight: number;
    jumpCooldown: number;
    private lastJumpTime;
    acceleration: number;
    deceleration: number;
    airDragFactor: number;
    maxWalkSpeed: number;
    mass: number;
    floatHeight: number;
    floatSensorRadius: number;
    floatSpringK: number;
    floatDampingC: number;
    maxSlope: number;
    constructor(initPosition: Vector3);
    slide(movementVector: Vector3): void;
    teleport(position: Vector3): void;
    raycast(origin: Vector3, direction: Vector3, far: number): Intersection<import("three").Object3D<import("three").Object3DEventMap>> | undefined;
    private raycastRelevantEnvironments;
    parabolicRaycast(origin: Vector3, direction: Vector3): Intersection<import("three").Object3D<import("three").Object3DEventMap>> | undefined;
    update(delta: number): void;
    updatePlayerPosition(delta: number): void;
    private handleMovementPhysics;
    private applyGravity;
    private handleGroundContact;
    private handleCollisions;
    addEnvironment(handle: number, positions: Float32Array | number[], indices: Uint32Array | Uint16Array | number[], type?: string, worldMatrix?: Matrix4): void;
    removeEnvironment(handle: number): void;
    updateKinematicPlatform(handle: number, newWorldMatrix: Matrix4): void;
    setMaxDropDistance(distance: number): void;
    jump(): void;
    getEnvironmentManager(): EnvironmentManager;
}
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