import { Control } from "./Control";
import type { IControlParams } from "./Control";
import { Key } from "../Lock";
import { Quat } from "../math/Quat";
import { Sphere } from "../bv/Sphere";
import { Vec2 } from "../math/Vec2";
import { Vec3 } from "../math/Vec3";
import type { ITouchState } from "../renderer/RendererEvents";
import { EventsHandler } from "../Events";
interface ITouchNavigationParams extends IControlParams {
    /**
     * Inertia factor.
     * Default: 0.007
     */
    inertia?: number;
    /**
     * Limit for tilt angle.
     * Default: 0.1
     */
    minSlope?: number;
    /**
     * Limit for touch jerk speed to prevent unexpected camera zooming.
     * Default: 0.3
     */
    jerkLimit?: number;
}
export type TouchNavigationEventsList = [
    "inertiamove",
    "drag",
    "doubletapzoom"
];
declare class TouchExt {
    x: number;
    y: number;
    prev_x: number;
    prev_y: number;
    grabbedPoint: Vec3 | null;
    grabbedSpheroid: Sphere;
    protected _vec: Vec2;
    protected _vecPrev: Vec2;
    constructor();
    get dY(): number;
    get dX(): number;
    get vec(): Vec2;
    get vecPrev(): Vec2;
}
/**
 * Touch pad planet camera dragging control.
 * @class
 * @extends {Control}
 * @param {ITouchNavigationParams} [options] - Touch navigation options:
 * @param {number} [options.inertia] - inertia factor. Default is 0.007
 * @param {number} [options.minSlope] - minimal slope for vertical camera movement. Default is 0.1
 * @param {number} [options.jerkLimit] - limit for touch jerk speed to prevent unexpected camera movement. Default is 0.08
 * @fires og.TouchNavigation#inertiamove
 * @fires og.TouchNavigation#drag
 * @fires og.TouchNavigation#doubletapzoom
 */
export declare class TouchNavigation extends Control {
    grabbedPoint: Vec3;
    inertia: number;
    minSlope: number;
    jerkLimit: number;
    events: EventsHandler<TouchNavigationEventsList>;
    protected grabbedSpheroid: Sphere;
    protected qRot: Quat;
    protected scaleRot: number;
    protected rot: number;
    protected _eye0: Vec3;
    protected pointOnEarth: Vec3 | null;
    protected earthUp: Vec3 | null;
    protected touches: TouchExt[];
    protected _keyLock: Key;
    protected _touching: boolean;
    constructor(options?: ITouchNavigationParams);
    oninit(): void;
    onadd(): void;
    onremove(): void;
    private _onCameraFly;
    protected onTouchStart(e: ITouchState): void;
    protected _startTouchOne(e: ITouchState): void;
    stopRotation(): void;
    protected onDoubleTouch(e: ITouchState): void;
    protected onTouchEnd(e: ITouchState): void;
    protected onTouchCancel(e: ITouchState): void;
    protected onTouchMove(e: ITouchState): void;
    protected onDraw(): void;
    private setLock;
}
export {};