- public boolean onMarkerClick(Marker marker) {
- for (RocketOnline rocket : rockets.values()) {
- if (rocket.marker.equals(marker)) {
- altos_droid.select_tracker(rocket.serial);
- return true;
- }
+ private double pixel_distance(LatLng a, LatLng b) {
+ Projection projection = mMap.getProjection();
+
+ Point a_pt = projection.toScreenLocation(a);
+ Point b_pt = projection.toScreenLocation(b);
+
+ return Math.hypot((double) (a_pt.x - b_pt.x), (double) (a_pt.y - b_pt.y));
+ }
+
+ private RocketOnline[] sorted_rockets() {
+ RocketOnline[] rocket_array = rockets.values().toArray(new RocketOnline[0]);
+
+ Arrays.sort(rocket_array);
+ return rocket_array;
+ }
+
+ public void onMapClick(LatLng lat_lng) {
+ ArrayList<Integer> near = new ArrayList<Integer>();
+
+ for (RocketOnline rocket : sorted_rockets()) {
+ LatLng pos = rocket.marker.getPosition();
+
+ if (pos == null)
+ continue;
+
+ double distance = pixel_distance(lat_lng, pos);
+ if (distance < rocket.size * 2)
+ near.add(rocket.serial);