Linked: Shrine Of Time

using UnityEngine;
using System.Collections;

//The shrine of time is an object in the scene that the player can activate to start a time trial.
public class ShrineOfTime : MonoBehaviour
{
    //Turning variable for animation
    private const string Turning = "Turning";
    private static int TurningId = 0;

    [SerializeField] private Animator _animator = null;
    [SerializeField] private float _defaultRecordTime = 3000;

    //Player
    private bool _playerIn;

    private void Awake()
    {
        TurningId=Animator.StringToHash(Turning);
        _animator.SetBool(TurningId,false);
    }

    private void Start()
    {
        //If level hasn't been beaten before or time trial mode is already active, then the shrine needs to be hidden
        if (!GameManager.HasBeatenCurrentLevel() || GameManager.TimeTrialMode)
        {
            gameObject.SetActive(false);
        }
    }

    //Update when player can trigger the shrine
    private IEnumerator PlayerInUpdate()
    {
        //If player is already in, then this update is running already
        if (_playerIn) yield break;

        _playerIn = true;
        while (_playerIn)
        {
            if (InputManager.InteractDown())
            {
                GameManager.StartTimeTrial(_defaultRecordTime);
            }
            yield return null;
        }
    }

    public void OnTriggerEnter(Collider other)
    {
        var playerScript = other.GetComponent<Player>();
        if (playerScript != null)
        {
            //Player entered. Start update and make the hourglass turn
            StartCoroutine(PlayerInUpdate());
            _animator.SetBool(TurningId, true);
        }
    }

    public void OnTriggerExit(Collider other)
    {
        var playerScript = other.GetComponent<Player>();
        if (playerScript != null)
        {
            //Player left. Stop the hourglass from turning
            _playerIn = false;
            _animator.SetBool(TurningId, false);
        }
    }
}