javascript-Navigation.rar

/** * @function HaversineDistance * @description Calculate the distance between two coordinates using the haversine formula * @param {Integer} latitude1 - The input integer * @param {Integer} latitude2 - The input integer * @param {Integer} longitude1 - The input integer * @param {Integer} longitude2 - The input integer * @return {Integer} Haversine Distance. * @see [Haversine_Distance](https://pt.wikipedia.org/wiki/F%C3%B3rmula_de_Haversine) */ const haversineDistance = ( latitude1 = 0, longitude1 = 0, latitude2 = 0, longitude2 = 0 ) => { validateLatOrLong(latitude1) validateLatOrLong(latitude2) validateLatOrLong(longitude1) validateLatOrLong(longitude2) const earthRadius = 6371e3 // 6,371km const pi = Math.PI const cos1 = (latitude1 * pi) / 180.0 const cos2 = (latitude2 * pi) / 180.0 const deltaLatitude = ((latitude2 - latitude1) * pi) / 180.0 const deltaLongitude = ((longitude2 - longitude1) * pi) / 180.0 const alpha = Math.sin(deltaLatitude / 2) * Math.sin(deltaLatitude / 2) + Math.cos(cos1) * Math.cos(cos2) * Math.sin(deltaLongitude / 2) * Math.sin(deltaLongitude / 2) const constant = 2 * Math.atan2(Math.sqrt(alpha), Math.sqrt(1 - alpha)) return earthRadius * constant } const validateLatOrLong = (value) => { if (typeof value !== 'number') { throw new TypeError('The value of latitude or longitude should be a number') } } export { haversineDistance }