Function wrapLongitudesForShortestPath

docs/app/js/sanddance-app.js:102543–102552

(positions, size, startIndex, endIndex)

    }
}
function wrapLongitudesForShortestPath(positions, size, startIndex, endIndex) {
    let prevLng = positions[0];
    let lng;
    for(let i = startIndex; i < endIndex; i += size){
        lng = positions[i];
        const delta = lng - prevLng;
        if (delta > 180 || delta < -180) lng -= Math.round(delta / 360) * 360;
        positions[i] = prevLng = lng;
    }
}
function shiftLongitudesIntoRange(positions, size) {
    let refLng;
    const pointCount = positions.length / size;