FadeIn screen

fadeIn.cs

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

public class fadeIn : MonoBehaviour
{

	Image img;
	
	
	//m_Group.alpha = (Mathf.Sin(Time.time * m_SmoothTime)+ 1.0f) * 0.5f;
    void Start()
    {
        img = GetComponent<Image>();
		img.color = Color.black;
    }
	
	void Update()
	{
		img.color = Color.Lerp(Color.black, Color.white, Time.time * 0.5f);
	}

}