Implement enemy spawning and following waypoints

Assets/Scripts/Waypoints/WaypointsGroup.cs

@@ -0,0 +1,62 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class WaypointsGroup : MonoBehaviour
+{
+    public PositionConstraint XYZConstraint = PositionConstraint.XYZ;
+    [HideInInspector]
+    public List<Waypoint> waypoints;   // The waypoint components controlled by this WaypointsGroupl IMMEDIATE children only
+
+    private void Awake()
+    {
+        if(waypoints != null)
+        {
+            foreach (Waypoint wp in waypoints)
+                wp.SetWaypointGroup(this);
+        }
+    }
+
+    // Start is called before the first frame update
+    void Start()
+    {
+
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+
+    }
+
+    /// <summary>
+    /// Returns a list of  Waypoints; resets the parent transform if reparent == true
+    /// </summary>
+    /// <returns></returns>
+    public List<Waypoint> GetWaypointChildren(bool reparent = true)
+    {
+        if (waypoints == null)
+            waypoints = new List<Waypoint>();
+
+        if(reparent == true)
+        { 
+            foreach (Waypoint wp in waypoints)
+                wp.SetWaypointGroup(this);
+            }
+
+
+        return waypoints;
+    }
+
+
+    public void AddWaypoint(Waypoint wp, int ndx = -1)
+    {
+        if (waypoints == null) waypoints = new List<Waypoint>();
+        if (ndx == -1)
+            waypoints.Add(wp);
+        else
+            waypoints.Insert(ndx, wp);
+        wp.SetWaypointGroup(this);
+    }
+
+}