update

Assets/Scripts/AI NPC/NoiseEmitter.cs

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+using UnityEngine;
+
+namespace Hallucinate.AI
+{
+    public class NoiseEmitter : MonoBehaviour
+    {
+        [Header("Settings")]
+        public float defaultNoiseRange = 10f;
+        public LayerMask npcLayer;
+
+        public void EmitNoise(float volumeMultiplier = 1f)
+        {
+            float range = defaultNoiseRange * volumeMultiplier;
+            Collider[] hitColliders = Physics.OverlapSphere(transform.position, range, npcLayer);
+
+            foreach (var hit in hitColliders)
+            {
+                EnemyAI npc = hit.GetComponentInParent<EnemyAI>();
+                if (npc != null)
+                {
+                    npc.HearNoise(transform.position, volumeMultiplier);
+                }
+            }
+        }
+
+        private void OnDrawGizmosSelected()
+        {
+            Gizmos.color = new Color(1, 1, 0, 0.3f);
+            Gizmos.DrawWireSphere(transform.position, defaultNoiseRange);
+        }
+    }
+}