ridecabrider/src/common/distanceCalc.js

RideCab Customer Ride Booking All Over Cyprus, Live Driver Tracking, Wallet, Payment Methods

export default function distanceCalc (location1, location2) {
    let lat1 = location1[0];
    let lon1 = location1[1];
    let lat2 = location2[0];
    let lon2 = location2[1];
    if ((lat1 === lat2) && (lon1 === lon2)) {
        return 0;
    }
    else {
        var radlat1 = Math.PI * lat1 / 180;
        var radlat2 = Math.PI * lat2 / 180;
        var theta = lon1 - lon2;
        var radtheta = Math.PI * theta / 180;
        var dist = Math.sin(radlat1) * Math.sin(radlat2) + Math.cos(radlat1) * Math.cos(radlat2) * Math.cos(radtheta);
        if (dist > 1) {
            dist = 1;
        }
        dist = Math.acos(dist);
        dist = dist * 180 / Math.PI;
        dist = dist * 60 * 1.1515;
        dist = dist * 1.609344;
        return dist;
    }
}