reorganized code into separate files

util/validators/obstacleCrowdsObjective.m

@@ -0,0 +1,11 @@
+function c = obstacleCrowdsObjective(objective, obstacle, protectedRange)
+    arguments (Input)
+        objective (1, 1) {mustBeA(objective, 'sensingObjective')};
+        obstacle (1, 1) {mustBeGeometry}; % this could be expanded to handle n obstacles in 1 call
+        protectedRange (1, 1) double;
+    end
+    arguments (Output)
+        c (1, 1) logical;
+    end
+    c = norm(obstacle.distance([objective.groundPos, obstacle.center(3)])) <= protectedRange;
+end