Source: navigate/Navigator.js

/*
 * Copyright 2015-2017 WorldWind Contributors
 *
 * 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.
 */
/**
 * @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;
    });