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

public class LoadingUI : MyCoroutine
{
    public static LoadingUI Ins;
    public GameObject go;
    public Image sprite_bg;

    void Awake()
    {
        Ins = this;
    }

    public void Set(bool _active, Action _act = null)
    {
        if (_active)
        {
            sprite_bg.canvasRenderer.SetAlpha(1f);
            go.SetActive(_active);
            Set_Coroutine(_act, 0.5f);
        }
        else
            StartCoroutine(Co_Alpha());
    }

    IEnumerator Co_Alpha()
    {
        while (sprite_bg.canvasRenderer.GetAlpha() > 0f)
        {
            var alpha = sprite_bg.canvasRenderer.GetAlpha();
            sprite_bg.canvasRenderer.SetAlpha(alpha - Time.deltaTime * 0.5f);
            yield return null;
        }
        go.SetActive(false);
    }
}