實例化 Unity 2D

Question

我制作了一個腳本，應該每 1 秒產生一個敵人。 但是，一秒鍾后它會產生數百個並且不會停止。

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

public class PSpawner : MonoBehaviour
{
    public Transform spawny;
    public Transform p;

    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {
        StartCoroutine("Spawn");
    }
    public IEnumerator Spawn()
    {
        yield return new WaitForSeconds(1);
        Instantiate(spawny, p.position, Quaternion.identity);
        yield return null;
    }
}

Answer 1

在您的Spawn協程中使用 while 循環，並在Start啟動它，以便它只運行一個實例：

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

public class PSpawner : MonoBehaviour
{
    public Transform spawny;
    public Transform p;
    public bool doSpawn;

    // Start is called before the first frame update
    void Start()
    {
        doSpawn = true;
        StartCoroutine("Spawn");
    }

    public IEnumerator Spawn()
    {
        WaitForSeconds wait = new WaitForSeconds(1);

        while (doSpawn)
        {
            yield return wait;
            Instantiate(spawny, p.position, Quaternion.identity);
        }
    }
}