value is halfExtent

src/engine/mobileAI/utilities/MovementUtilities.java

@@ -51,7 +51,7 @@ public class MovementUtilities {
 
                         //Guards recall distance = 814.
                         if (tol != null) {
-                            return !(agent.getLoc().distanceSquared2D(tol.getLoc()) > sqr(Enum.CityBoundsType.ZONE.extents));
+                            return !(agent.getLoc().distanceSquared2D(tol.getLoc()) > sqr(Enum.CityBoundsType.ZONE.halfExtents));
                         }
 
                     }