unity3d的c#的多线程代码，求参考。

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

[System.Serializable]
public class uniqueAttackQ
{
public float fireRate;
public float fireGapTime;
public float prepareTime;
public int loopTimes;
public int wavesTimes;

public int numberOfLoopTimes;
public int numberOfWavesTimes;
}
public class Boss : MonoBehaviour {
public uniqueAttackQ UAQ;

public GameObject lockThePlayer;
public float speed;
private string behavior;
private float Direction;

public float moveTime;
public float attackGapTime;
public float uniqueAttackGapTime;

public new Rigidbody rigidbody;
Vector3 movement = new Vector3(1, 0, 0);

private float nextTime = 0;
private int numberOfBolt = 0;

public GameObject weapon;
// Use this for initialization
IEnumerator AttackWaves()
{
behavior = "move";
yield return new WaitForSeconds(moveTime);//核心语句。
while (true)
{
while (true)
{
Instantiate(weapon, transform.position + new Vector3(0.2f, 0, 0), transform.rotation);
Instantiate(weapon, transform.position + new Vector3(-0.2f, 0, 0), transform.rotation);
GetComponent<AudioSource>().Play();
yield return new WaitForSeconds(UAQ.fireRate);
UAQ.numberOfLoopTimes++;
if (UAQ.numberOfLoopTimes > UAQ.loopTimes)
break;
}
UAQ.numberOfLoopTimes = 0;
yield return new WaitForSeconds(UAQ.fireGapTime);

for(int i = 0; i < 144; i++)
{
Instantiate(weapon, transform.position, Quaternion.Euler(new Vector3(0, i*10, 0)));
yield return new WaitForSeconds(0.01f);////
GetComponent<AudioSource>().Play();
}
yield return new WaitForSeconds(UAQ.fireGapTime);

for(int i = 0; i < 144; i++)
{
Instantiate(weapon, transform.position, Quaternion.Euler(new Vector3(0, i * 10, 0)));
GetComponent<AudioSource>().Play();
}
yield return new WaitForSeconds(UAQ.fireGapTime);
for (int i = 0; i <30 ; i++)
{
Instantiate(weapon, transform.position, Quaternion.Euler(new Vector3(0, -15+i, 0)));
yield return new WaitForSeconds(0.01f);////
GetComponent<AudioSource>().Play();
}
for (int i = 0; i < 30; i++)
{
Instantiate(weapon, transform.position, Quaternion.Euler(new Vector3(0, 15-i, 0)));
yield return new WaitForSeconds(0.01f);////
GetComponent<AudioSource>().Play();
}

UAQ.numberOfWavesTimes++;
if (UAQ.numberOfWavesTimes > UAQ.wavesTimes)
break;
}
UAQ.numberOfWavesTimes = 0;
......

这是一个自己编的弹幕游戏的Boss攻击脚本，我复制了前半部分给你，我对协程也不太了解。
大致分为两部分，一部分是IEnumerator AttackWaves()方法，如上文所示。另一部分在start（）中，为：{StartCoroutine（SpawnWaves（））；}