1秒ごとにInstantiate

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

public class Rakka : MonoBehaviour
{
    [SerializeField] private Ball[] _prefabs;
    private int _count=0;

    void Start()
    {
        _loop();
    }

    private void _loop(){
        
        int index = Mathf.FloorToInt(_prefabs.Length*Random.value);
        var b = Instantiate(_prefabs[index],transform,false);
        b.transform.localPosition = transform.localPosition + new Vector3(0.4f*(Random.value-0.5f),00.4f*(Random.value-0.5f));
        b.transform.localScale = Vector3.one*(0.5f+2f*Random.value);
        if(index==1){
            b.transform.localScale = new Vector3(
                0.5f+2f*Random.value,
                0.5f+2f*Random.value,
                0.5f+2f*Random.value
            );
        }
        b.transform.localRotation = Quaternion.Euler(360f*Random.value,360f*Random.value,360f*Random.value);
        b.Init();
        b.gameObject.SetActive(true);
        Invoke("_loop",1f);

    }

}