import { Control } from "./Control";
import type { IControlParams } from "./Control";
import type { IMouseState } from "../renderer/RendererEvents";
import { Quat } from "../math/Quat";
import { Sphere } from "../bv/Sphere";
import { Vec2 } from "../math/Vec2";
import { Vec3 } from "../math/Vec3";
import { type EventsHandler } from "../Events";
export type NavigationMode = "lockNorth" | "adaptive" | "free";
export interface INavigationParams extends IControlParams {
    inertia?: number;
    dragInertia?: number;
    minSlope?: number;
    mass?: number;
    zoomSpeed?: number;
    mode?: NavigationMode;
    poleThreshold?: number;
    disableRotation?: boolean;
    disableTilt?: boolean;
}
export type NavigationEventsList = [
    "drag",
    "zoom",
    "rotate"
];
/**
 * Navigation.
 * @class
 * @extends {Control}
 * @param {INavigationParams} [options] - Navigation options:
 * @param {NavigationMode} [options.mode] - Navigation mode: "lockNorth" (keeps north fixed), "adaptive" (default, auto-detects arc mode), "free" (arc rotation mode)
 * @param {number} [options.inertia] - inertia factor
 * @param {number} [options.dragInertia] - drag inertia
 * @param {number} [options.mass] - camera mass, affects velocity. Default is 1
 * @param {number} [options.minSlope] - minimal slope for vertical camera movement. Default is 0.35
 * @param {number} [options.poleThreshold] - Vertical rotation is reduced when camera is close to poles
 * @param {boolean} [options.disableRotation] - Disables horizontal rotation controls (right mouse button and touchpad). Default is false
 * @param {boolean} [options.disableTilt] - Disables vertical tilt controls (right mouse button and touchpad). Default is false
 * @fires og.Navigation#drag
 * @fires og.Navigation#zoom
 * @fires og.Navigation#rotate
 */
export declare class Navigation extends Control {
    force: Vec3;
    force_h: number;
    force_v: number;
    vel: Vec3;
    vel_h: number;
    vel_v: number;
    mass: number;
    minSlope: number;
    inertia: number;
    dragInertia: number;
    zoomSpeed: number;
    poleThreshold: number;
    mode: number;
    disableRotation: boolean;
    disableTilt: boolean;
    vel_roll: number;
    force_roll: number;
    protected _freeMode: boolean;
    events: EventsHandler<NavigationEventsList>;
    protected _lookPos: Vec3 | undefined;
    protected _grabbedPoint: Vec3 | null;
    protected _grabbedDist: number;
    protected _targetZoomPoint: Vec3 | null;
    protected _targetDragPoint: Vec3 | null;
    protected _targetRotationPoint: Vec3 | null;
    protected _grabbedSphere: Sphere;
    protected _wheelDirection: number;
    protected _currScreenPos: Vec2;
    protected _tUp: Vec3;
    protected _tRad: number;
    protected _shiftBusy: boolean;
    protected _curPitch: number;
    protected _curYaw: number;
    protected _curRoll: number;
    protected _rot: Quat;
    protected _eye0: Vec3;
    protected _grabbedCameraHeight: number;
    protected _newEye: Vec3;
    protected _isTouchPad: boolean;
    protected _velInertia: number;
    protected _hold: boolean;
    protected _rotHDir: number;
    protected _rotVDir: number;
    constructor(options?: INavigationParams);
    oninit(): void;
    onadd(): void;
    onremove(): void;
    onactivate(): void;
    ondeactivate(): void;
    protected onDraw(): void;
    _onShiftFree: () => void;
    private _onCameraFly;
    protected _onMouseMove: (e: IMouseState) => void;
    protected _onMouseEnter: (e: IMouseState) => void;
    protected _onMouseLeave: () => void;
    protected _onRHold: (e: IMouseState) => void;
    protected _handleRotation(): void;
    protected _onRDown: (e: IMouseState) => void;
    protected _getTargetPoint(p: Vec2): Vec3 | null;
    protected _onMouseWheel: (e: IMouseState) => void;
    protected _onLDown: (e: IMouseState) => void;
    protected _onLHold: (e: IMouseState) => void;
    protected _onLUp: (e: IMouseState) => void;
    get freeMode(): boolean;
    setMode(mode: NavigationMode): void;
    protected _modeToNumber(mode: NavigationMode): number;
    protected _handleDrag(): void;
    protected _corrRoll(): void;
    protected _handleZoom(): void;
    protected _updateVel(): void;
    protected _updateVel_h(): void;
    protected _updateVel_v(): void;
    protected _updateVel_roll(): void;
    protected get dt(): number;
    protected get velocityInertia(): number;
    stop(): void;
}