Drawing agent's path with LineRenderer. Implementing Enemy Editor for editing roamingPath easily.

Assets/Scripts/Actors/Enemy.cs

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEditor;
 
 public class Enemy : Actor
 {
@@ -13,11 +14,30 @@ public class Enemy : Actor
 
 	[SerializeField]
 	private List<Vector3> roamingPath;
+	public List<Vector3> RoamingPath { get { return roamingPath; } }
 
 	[SerializeField]
 	private LayerMask blockEyesightMask;
 
 #if UNITY_EDITOR
+
+	void OnSceneGUI()
+	{
+
+	}
+	private void OnDrawGizmosSelected()
+	{
+		for (int i = 0; i < roamingPath.Count; i++)
+		{
+			EditorGUI.BeginChangeCheck();
+			Vector3 newPosition = Handles.FreeMoveHandle(roamingPath[i], Quaternion.identity, 1f, Vector3.one, Handles.CircleHandleCap);
+			if (EditorGUI.EndChangeCheck())
+			{
+				roamingPath[i] = newPosition;
+			}
+		}
+	}
+
 	private void OnDrawGizmos()
 	{
 		if (roamingPath.Count < 1)
@@ -29,6 +49,8 @@ public class Enemy : Actor
 		{
 			Gizmos.DrawLine(roamingPath[i], roamingPath[(i + 1) % roamingPath.Count]);
 		}
+
+
 		
 	}
 #endif

Assets/Scripts/Actors/PlayableCharacter.cs

@@ -16,17 +16,25 @@ public abstract class PlayableCharacter : Actor
 	public float shotRange = 5.0f;
 	public LayerMask shotBlockMask;
 
-	protected LineRenderer lr;
+	protected LineRenderer shotRangeRenderer;
+	[SerializeField]
+	protected LineRenderer pathRenderer;
 
 	private float r = 0.0f;
 
 	public bool isSelected = false;
 
+	private Transform target;
+
 	protected override void Start()
 	{
 		base.Start();
-		lr = GetComponent<LineRenderer>();
-		selectRing = transform.Find("SelectRing").gameObject;
+		if (shotRangeRenderer == null)
+			shotRangeRenderer = GetComponent<LineRenderer>();
+		if (pathRenderer == null)
+			pathRenderer = GetComponentInChildren<LineRenderer>();
+		if (selectRing == null)
+			selectRing = transform.Find("SelectRing").gameObject;
 	}
 
 	protected virtual void Update()
@@ -47,7 +55,7 @@ public abstract class PlayableCharacter : Actor
 			}
 			vertices[360] = vertices[0];
 
-			lr.SetPositions(vertices);
+			shotRangeRenderer.SetPositions(vertices);
 
 		}
 	}
@@ -55,7 +63,7 @@ public abstract class PlayableCharacter : Actor
 	public override void OnSelected()
 	{
 		isSelected = true;
-		lr.enabled = true;
+		shotRangeRenderer.enabled = true;
 		selectRing?.SetActive(true);
 		r = 0;
 	}
@@ -63,7 +71,7 @@ public abstract class PlayableCharacter : Actor
 	public override void OnUnselected()
 	{
 		isSelected = false;
-		lr.enabled = false;
+		shotRangeRenderer.enabled = false;
 		selectRing?.SetActive(false);
 	}
 
@@ -73,6 +81,11 @@ public abstract class PlayableCharacter : Actor
 			agent.MoveTo(destination);
 	}
 
+	public void DrawPath()
+	{
+
+	}
+
 	protected abstract void DefaultControl();
 	protected abstract void AimingControl();
 }

Assets/Scripts/Editors/EnemyEditor.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+
+#if UNITY_EDITOR
+[CustomEditor(typeof(Enemy))]
+public class EnemyEditor : Editor
+{
+	private Enemy enemy;
+
+	private void OnEnable()
+	{
+		enemy = (Enemy)target;
+	}
+
+	private void OnSceneGUI()
+	{
+		for (int i = 0; i < enemy.RoamingPath.Count; i++)
+		{
+			EditorGUI.BeginChangeCheck();
+			Vector3 newPosition = Handles.FreeMoveHandle(enemy.RoamingPath[i], Quaternion.identity, 1f, Vector3.one, Handles.CircleHandleCap);
+			if (EditorGUI.EndChangeCheck())
+			{
+				enemy.RoamingPath[i] = newPosition;
+			}
+		}
+
+		SceneView.RepaintAll();
+	}
+}
+
+#endif
\ No newline at end of file

Assets/Scripts/Editors/EnemyEditor.cs.meta

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Assets/Scripts/NodalPathfinding/NodalPathfinding2DAgent.cs

@@ -17,7 +17,12 @@ namespace BS {
 
 		private Rigidbody2D rb;
 
-        public bool isGizmos = true;
+		public bool isDrawingPath = false;
+		[SerializeField]
+		private LineRenderer pathRenderer;
+
+		public bool isGizmos = true;
+
 
         private void OnDrawGizmos()
         {
@@ -45,7 +50,13 @@ namespace BS {
 			rb = GetComponent<Rigidbody2D>();
 		}
 
-     public void MoveTo(Vector3 destination)
+		private void Update()
+		{
+			if (isDrawingPath)
+				DrawPath();
+		}
+
+		public void MoveTo(Vector3 destination)
         {
             this.destination = destination;
 			//path = pathFinder.GetPathGreedy(transform.position, destination);
@@ -69,9 +80,14 @@ namespace BS {
 			this.path = newPath;
 		}
 
-		public void Move(Vector2 direction)
+		public void DrawPath()
 		{
-
+			pathRenderer.positionCount = path.Count + 1;
+			pathRenderer.SetPosition(0, transform.position);
+			for (int i = 0; i < path.Count; i++)
+			{
+				pathRenderer.SetPosition(i + 1, path[i]);
+			}
 		}
 
 		private void FixedUpdate()

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