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

public class Example : MonoBehaviour
{
    public Material material;
    public Color startColor;
    public float transitionSpeed = 0.1f; // 變化速度

    private float currentTransparency = 0f;

    private void Start()
    {
        startColor = material.color;
    }

    private void Update()
    {
        currentTransparency = Mathf.PingPong(Time.time * transitionSpeed, 0.2f);   // 在 0~1 之間變化
        Color lerpedColor = new Color(startColor.r, startColor.g, startColor.b, currentTransparency);
        material.color = lerpedColor;
    }
}