using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class UIManager : MonoBehaviour
{
    public static UIManager instance;

    public Image blackScreen;
    public float fadeSpeed = 2f;
    public bool fadeToBlack, fadeFromBlack;

    public Text healthText;

    private void Awake()
    {
        instance = this;
    }

    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
         if(fadeToBlack)
         {
             blackScreen.color = new Color(blackScreen.color.r, blackScreen.color.g, blackScreen.color.b, Mathf.MoveTowards(blackScreen.color.a, 1f, fadeSpeed * Time.deltaTime));

             if(blackScreen.color.a == 1f)
             {
                 fadeToBlack = false;
             }
         }

         if(fadeFromBlack)
         {
             blackScreen.color = new Color(blackScreen.color.r, blackScreen.color.g, blackScreen.color.b, Mathf.MoveTowards(blackScreen.color.a, 0f, fadeSpeed * Time.deltaTime));

             if(blackScreen.color.a == 0f)
             {
                 fadeFromBlack = false;
             }
         }
    }
}
