ylsj/Assets/Scripts/PrefabScript/battle/BlackImageToLucency.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using DG;
using DG.Tweening;

public class BlackImageToLucency : MonoBehaviour
{
    private Image backImage = null;
    private void Awake()
    {
        Invoke("LateHide", 1.0f);

        backImage = this.GetComponent<Image>();
        backImage.color = Color.black;
        Tween bgTween1 = backImage.DOColor(new Color(0, 0, 0, 1), 1.0f);
        bgTween1.OnComplete(() =>
        {
            backImage.DOColor(new Color(0, 0, 0, 0), 1.0f);
        });     
    }

    private void LateHide()
    {
        backImage.color = new Color(0, 0, 0, 0);
    }
}