using UnityEngine; public class DestroyAfterSM : MonoBehaviour { public float stayTime = 10f; private float currenttime; private bool gameStartItem; private void Start() { if (Time.fixedTime < 1f) { gameStartItem = true; } currenttime = Time.fixedTime; } private void Update() { if ((Time.fixedTime - currenttime > stayTime) & !gameStartItem) { Object.Destroy(base.gameObject); } } }