updated

Assets/Scripts/Item/FlareBeacon.cs

@@ -1,6 +1,7 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using UnityEngine.AI;
 
 public class FlareBeacon : MonoBehaviour
 {
@@ -10,6 +11,8 @@ public class FlareBeacon : MonoBehaviour
     private float duration = 5f;
 
     private List<GameObject> inRange= new List<GameObject>();
+    [SerializeField]
+    private NavMeshObstacle obstacle;
 
     void OnDrawGizmosSelected()
     {
@@ -39,7 +42,7 @@ public class FlareBeacon : MonoBehaviour
         if(Physics.Raycast(r,out hit)){
            // transform.position = hit.point;
         }
-
+        obstacle.radius = this.range / 10;
     }
 
     // Update is called once per frame