export function bearing (latlng1, latlng2) {
    const rad = Math.PI / 180
    const lat1 = latlng1.gpsLatitude * rad
    const lat2 = latlng2.gpsLatitude * rad
    const lon1 = latlng1.gpsLongitude * rad
    const lon2 = latlng2.gpsLongitude * rad
    const y = Math.sin(lon2 - lon1) * Math.cos(lat2)
    const x = Math.cos(lat1) * Math.sin(lat2) -
        Math.sin(lat1) * Math.cos(lat2) * Math.cos(lon2 - lon1)

    const bearing = ((Math.atan2(y, x) * 180 / Math.PI) + 360) % 360
    return bearing >= 180 ? bearing - 360 : bearing
}

export function removeMilis(date) {
    date.setSeconds(date.getSeconds(), 0);
    return date;
}