Simple Spawn Manger

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

public class SpawnManager : MonoBehaviour
{
    public GameObject[] obstaclePrefab;
    private Vector3 spawnPos = new Vector3 (25, 0, 0);
    private float startDelay = 2;
    private float repeatRate = 2;
    private PlayerController playerController;

        // Start is called before the first frame update
    void Start() //repeats spawn so that we get mulptiple objects spawned in the time we set.
    {
       InvokeRepeating("SpawnObstacle", startDelay, repeatRate);
        playerController = GameObject.Find("Player").GetComponent<PlayerController>();
    }
    void SpawnObstacle() //spawns obstacle in position and at correct angle until game over
    {
       if (playerController.gameOver == false)
        {
            int obstacleIndex = Random.Range(0, obstaclePrefab.Length);
            Instantiate(obstaclePrefab[obstacleIndex], spawnPos, obstaclePrefab[obstacleIndex].transform.rotation);

        }
    }
}