wirm/Game/Assets/Scripts/CanvasFade.cs

/*
 Author : Wai Lam
 Date : 13/2/2025
 Description : Counting days
 */
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using TMPro;
using System;

public class CanvasFade : MonoBehaviour
{
    public CanvasGroup dayPanel; // Assign the UI Panel
    public TextMeshProUGUI dayText; // Assign the TextMeshPro UI
    
    public static event Action OnDayPanelHidden;
    private void Start()
    {
        if (GameManager.Instance != null)
        {
            int dayNumber = GameManager.Instance.currentDay;
            dayText.text = "Day " + dayNumber;
        }

        StartCoroutine(FadeOutPanel());
    }

    private IEnumerator FadeOutPanel()
    {
        dayPanel.alpha = 1f;
        dayPanel.gameObject.SetActive(true);

        yield return new WaitForSeconds(3f); // Display for 3 seconds

        float fadeDuration = 1.5f;
        float elapsedTime = 0f;

        while (elapsedTime < fadeDuration)
        {
            elapsedTime += Time.deltaTime;
            dayPanel.alpha = Mathf.Lerp(1f, 0f, elapsedTime / fadeDuration);
            yield return null;
        }

        dayPanel.gameObject.SetActive(false);
        
        OnDayPanelHidden?.Invoke();

    }
}