in src/main/java/com/uber/h3core/H3Core.java [577:588]
private static int packGeofenceVertices(double[] arr, List<LatLng> original, int offset) {
assert arr.length >= (original.size() * 2) + offset;
for (int i = 0; i < original.size(); i++) {
LatLng coord = original.get(i);
arr[(i * 2) + offset] = toRadians(coord.lat);
arr[(i * 2) + 1 + offset] = toRadians(coord.lng);
}
return (original.size() * 2) + offset;
}