Unity中Instantiate实例化物体卡顿问题的解决

using UnityEngine;
 
public class Test : MonoBehaviour
{
 public GameObject prefab;
 
 private void Update()
 {
  if (Input.GetKeyDown(KeyCode.A))
  {
   Generate();
  }
 }
 
 private void Generate()
 {
  for (int i = 0; i < 100000; i++)
  {
   Instantiate(prefab);
  }
 }
}

using UnityEngine;
using System.Collections;
 
public class Test : MonoBehaviour
{
 public GameObject prefab;
 
 private void Update()
 {
  if (Input.GetKeyDown(KeyCode.A))
  {
   StartCoroutine(Generate());
  }
 }
 
 private IEnumerator Generate()
 {
  int tempCount = 0;
  for (int i = 0; i < 100000; i++)
  {
   if (tempCount <= 5000)
   {
    Instantiate(prefab);
    tempCount++;
   }
   else
   {
    tempCount = 0;
    yield return new WaitForEndOfFrame();
    Instantiate(prefab);
   }
  }
 }
}

using UnityEngine;
using System.Collections;
 
public class Test : MonoBehaviour
{
 private void Start()
 {
  StartCoroutine(WaitForNull());
  StartCoroutine(WaitForEndFrame());
  StartCoroutine(Wait0());
  StartCoroutine(WaitForFixedUpdate());
 }
 
 private IEnumerator WaitForNull()
 {
  Debug.Log("[1]WaitForNull：" + Time.frameCount);
  yield return null;
  Debug.Log("[2]WaitForNull：" + Time.frameCount);
 }
 
 private IEnumerator WaitForEndFrame()
 {
  Debug.Log("[1]WaitForEndFrame：" + Time.frameCount);
  yield return new WaitForEndOfFrame();
  Debug.Log("[2]WaitForEndFrame：" + Time.frameCount);
 }
 
 private IEnumerator Wait0()
 {
  Debug.Log("[1]Wait0：" + Time.frameCount);
  yield return 0;
  Debug.Log("[2]Wait0：" + Time.frameCount);
 }
 
 private IEnumerator WaitForFixedUpdate()
 {
  Debug.Log("[1]WaitForFixedUpdate：" + Time.frameCount);
  yield return new WaitForFixedUpdate();
  Debug.Log("[2]WaitForFixedUpdate：" + Time.frameCount);
 }
 
 private void Update()
 {
  Debug.Log("update");
 }
 
 private void FixedUpdate()
 {
  Debug.Log("FixedUpdate");
 }
 
 private void LateUpdate()
 {
  Debug.Log("LateUpdate");
 }
}