Update

Assets/Invector-3rdPersonController/Melee Combat/Scripts/WaypointSystem/vPoint.cs

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+using UnityEngine;
+using System.Collections.Generic;
+namespace Invector
+{
+    [System.Serializable]
+    public class vPoint : MonoBehaviour
+    {
+        public float timeToStay = 0f;
+        public int maxVisitors = 1;
+        public bool isValid = true;
+        public List<Transform> visitors;
+        public float areaRadius = 1f;
+
+        void Start()
+        {
+            visitors = new List<Transform>();
+        }
+
+        public Vector3 position
+        {
+            get { return transform.position; }
+            set { transform.position = value; }
+        }
+
+        public virtual void Enter(Transform visitor)
+        {
+            if (!visitors.Contains(visitor))
+                visitors.Add(visitor);
+        }
+
+        public virtual void Exit(Transform visitor)
+        {
+            if (visitors.Contains(visitor))
+                visitors.Remove(visitor);
+        }
+
+        public virtual bool IsOnWay(Transform visitor)
+        {
+            return visitors.Contains(visitor);
+        }
+
+        public virtual bool CanEnter(Transform visitor)
+        {
+            if (visitors.Contains(visitor)) return true;
+            if (!isValid) return false;
+            if (visitors.Count == maxVisitors) return false;
+            return true;
+        }
+    }
+}