ICTS_2021/Unity3/Assets/UI/AlphaAnim.cs

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

public class AlphaAnim : MonoBehaviour
{

    private RawImage sprite;
	void Start ()
	{
	    sprite = GetComponent<RawImage>();
	}
	
	// Update is called once per frame
	void Update () {

		sprite.color = new Color(sprite.color.r, sprite.color.g, sprite.color.b, Mathf.PingPong(Time.time, 1f));
	}
}