Vector2D.Distance C# (CSharp) Method

    public static double Distance(Vector2D v1, Vector2D v2)
    {
        return (v1 - v2).magnitude;
    }

                public MovementNode(Vector2D position, double facingAngle, double desiredSpeed, Vector2D goal, int depth)
                {
                    position_                 = position;
                    facingAngle_              = facingAngle;
                    desiredSpeed_             = desiredSpeed;
                    goal_                     = goal;
                    distanceToGoal_           = Vector2D.Distance(position_, goal_);
                    bestBranchDistanceToGoal_ = distanceToGoal_;
                    depth_                    = depth;

                    children_          = new List <MovementNode>();
                    markedForDeletion_ = false;
                    GeneratedChildren  = false;
                }