station_obscurum_unity/Assets/Scripts/Enemies/Robot/RobotMouthAnimator.cs

using System.Collections;
using UnityEngine;
using UnityEngine.VFX;

public class RobotMouthAnimator : MonoBehaviour
{
    [SerializeField] private VisualEffect fireEffect;

    [SerializeField] private Light fireLight;

    private Animator anim;

    // Start is called before the first frame update
    private void Start()
    {
        anim = GetComponent<Animator>();
        fireLight.gameObject.SetActive(false);
    }

    // Update is called once per frame
    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Return))
        {
            anim.SetBool("FlapsOpen", !anim.GetBool("FlapsOpen"));
            if (anim.GetBool("FlapsOpen"))
            {
                StartCoroutine(WaitToFire());
            }
            else
            {
                fireEffect.Stop();
                fireLight.gameObject.SetActive(false);
            }
        }
    }

    private IEnumerator WaitToFire()
    {
        yield return new WaitForSeconds(1.5f);
        fireEffect.Play();
        fireLight.gameObject.SetActive(true);
    }
}