GoalReachingForces and RandomFunction now have a default range of 0, because...

GoalReachingForces and RandomFunction now have a default range of 0, because they do not consider any neighboring objects.

src/Engine/CostFunctions/GoalReachingForce.h

@@ -35,7 +35,7 @@
 class GoalReachingForce : public ForceBasedFunction
 {
 public:
-	GoalReachingForce() : ForceBasedFunction() {}
+	GoalReachingForce() : ForceBasedFunction() { range_ = 0; }
 	virtual ~GoalReachingForce() {}
 	const static std::string GetName() { return "GoalReachingForce"; }
 

src/Engine/CostFunctions/RandomFunction.cpp

@@ -22,8 +22,6 @@
 #include <CostFunctions/RandomFunction.h>
 #include <core/agent.h>
 
-RandomFunction::RandomFunction() : CostFunction() {}
-
 float RandomFunction::GetCost(const Vector2D& velocity, Agent* agent, const WorldBase * world) const
 {
 	return agent->ComputeRandomNumber(-1, 1);

src/Engine/CostFunctions/RandomFunction.h

@@ -35,7 +35,7 @@
 class RandomFunction : public CostFunction
 {
 public:
-	RandomFunction();
+	RandomFunction() : CostFunction() { range_ = 0; }
 	virtual ~RandomFunction() {}
 	const static std::string GetName() { return "RandomFunction"; }