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

public class TestWhile : MonoBehaviour
{
    [SerializeField] GameObject prefabs;
    [SerializeField] int Max = 400;

    List<Vector3> positions = new List<Vector3>();

    void Start()
    {
        StartCoroutine(test());
    }

    IEnumerator Spawn(Vector3 p)
    {
        Instantiate(prefabs, p, Quaternion.identity);

        yield return null;
    }

    IEnumerator test()
    {
        do
        {
            if (positions.Count >= Max)
                break;

            var position_random = new Vector3(
                Random.Range(-10, 10), 0, Random.Range(-10, 10));

            if (!positions.Contains(position_random)) {
                positions.Add(position_random);
                yield return Spawn(position_random);
            }
            else
                yield return null;

        }
        while (true);
    }

}