弹痕的生命周期

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

/// <summary>
/// 弹痕的生命周期
/// </summary>
public class BulletHole : MonoBehaviour 
{
    private float lifeTime = 50f;//弹痕停留时间

    private float colorTime=30f;//30秒后弹痕的颜色慢慢的变浅最后消失
    private float timeCounter = 0;
	
	void Update () 
	{
        timeCounter += Time.deltaTime;
        if (timeCounter >= lifeTime)
        {
            //弹痕的颜色慢慢的变浅最后消失
            this.GetComponent<MeshRenderer>().material.color = Color.Lerp(this.GetComponent<MeshRenderer>().material.color,Color.clear,colorTime * Time.deltaTime);
        }
        if (timeCounter >= 31)//31秒后删除弹痕
        {
            Destroy(gameObject);
            timeCounter = 0;
        }
	}
}