private void newPosition(Location location) {

        mMap.clear();

        // check distance between device (="Me") and targets
        for(MarkerOptions marker : targets) {

            Location markerLocation = new Location(LocationManager.GPS_PROVIDER);
            markerLocation.setLatitude(marker.getPosition().latitude);
            markerLocation.setLongitude(marker.getPosition().longitude);

            float distance = location.distanceTo(markerLocation);

            Log.d(TAG, "newPosition: distance to " + marker.getTitle() + ": " + distance);

        }



        for(MarkerOptions marker : targets) {
            mMap.addMarker(marker);
        }

        LatLng position = new LatLng(location.getLatitude(), location.getLongitude());
        myMarker = new MarkerOptions();
        myMarker.position(position)
                .title("Me")
                //.icon(BitmapDescriptorFactory.fromResource(R.drawable.pink_monster));
                .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_MAGENTA));
        mMap.addMarker(myMarker);

        Log.d(TAG, "newPosition: New location: lat " + location.getLatitude()
                + ", long " + location.getLongitude());

        CameraUpdateFactory.newLatLng(new LatLng(location.getLatitude(), location.getLongitude()));
    }