using System;
using UnityEngine;

public class GhostItem : MonoBehaviour
{
    //持续时间
    public float duration;
    //销毁时间
    public float deleteTime;

    public MeshRenderer meshRenderer;

    void Update()
    {
        float tempTime = deleteTime - Time.time;
        if (tempTime <= 0)
        { //到时间就销毁
            GameObject.Destroy(this.gameObject);
        }
        else if (meshRenderer.material)
        {
            float rate = tempTime / duration; //计算生命周期的比例
            // Color cal = meshRenderer.material.GetColor("_Color");
            // cal.a *= rate; //设置透明通道
            // meshRenderer.material.SetColor("_Color", cal);
        }

    }
}