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

public class FaGuangItem : MonoBehaviour
{
    private Material material;
    private float value;
    private float speed = 5f;
    private Color color;
    // Start is called before the first frame update
    void Start()
    {
        material = this.GetComponent<MeshRenderer>().material;
        color = material.color;
    }

    // Update is called once per frame
    void Update()
    {
        value += speed * Time.deltaTime;
        if (value >= 1)
        {
            speed = -2;
        }

        if (value <=0 )
        {
            speed = 2;
        }

        float factor = Mathf.Pow(2, value);
        material.SetColor("_EmissionColor", new Color(color.r * factor, color.g * factor, color.b * factor));

    }
}