Init

Assets/ThirdParty/DestroyIt/Scripts/Runtime/Behaviors/DestroyAfter.cs

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+using UnityEngine;
+
+namespace DestroyIt
+{
+    /// <summary>This script will destroy the gameobject it is attached to after [seconds].</summary>
+    public class DestroyAfter : MonoBehaviour
+    {
+        public float seconds;   // seconds to wait before destroying this game object.
+        private float timeLeft;
+        private bool isInitialized;
+
+        void Start()
+        {
+            timeLeft = seconds;
+            isInitialized = true;
+        }
+
+        void OnEnable()
+        {
+            timeLeft = seconds;
+        }
+
+        void Update()
+        {
+            if (!isInitialized) return;
+
+            timeLeft -= Time.deltaTime;
+            if (timeLeft <= 0)
+                Destroy(this.gameObject);
+        }
+    }
+}