Source: navigate/Navigator.js

/*
 * Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
 * by the Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 *
 * The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License
 * at http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 *
 * NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
 * software:
 *
 *    ES6-Promise – under MIT License
 *    libtess.js – SGI Free Software License B
 *    Proj4 – under MIT License
 *    JSZip – under MIT License
 *
 * A complete listing of 3rd Party software notices and licenses included in
 * WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
 * PDF found in code  directory.
 */
/**
 * @exports Navigator
 */
define([],
    function () {
        "use strict";

        /**
         * Constructs a base navigator.
         * @alias Navigator
         * @constructor
         * @classdesc Provides an abstract base class for navigators. This class is not meant to be instantiated
         * directly. See {@Link LookAtNavigator} for a concrete navigator.
         */
        var Navigator = function () {
            /**
             * This navigator's heading, in degrees clockwise from north.
             * @type {Number}
             * @default 0
             */
            this.heading = 0;

            /**
             * This navigator's tilt, in degrees.
             * @type {Number}
             * @default 0
             */
            this.tilt = 0;

            /**
             * This navigator's roll, in degrees.
             * @type {Number}
             * @default 0
             */
            this.roll = 0;
        };

        return Navigator;
    });