Freeform Zone Generation

Modified zone generator to create multiple fixed points with areas of influence tangent to each other and the zone boundary
Added weapon range icons
Modified gravity potential shader to fade out at maximum depth

Assets/Scripts/ServerShared/Zone.cs

@@ -144,7 +144,10 @@ public class Zone
                 }
             }
 
-            Orbits[orbitID].Position = GetOrbitPosition(orbit.Data.Parent) + pos;
+            var parentPosition = Orbits[orbitID].Data.Parent == Guid.Empty 
+                ? Orbits[orbitID].Data.FixedPosition : 
+                GetOrbitPosition(orbit.Data.Parent);
+            Orbits[orbitID].Position = parentPosition + pos;
             _updatedOrbits.Add(orbitID);
         }