ball spawner

public class SpawnerPosition : MonoBehaviour
{
    bool spawningBool;
    [SerializeField] MovingCannon cannon;
    [SerializeField] GameObject ballPrefab1;
    [SerializeField] GameObject ballPrefab2;
    [SerializeField] GameObject ballPrefab3;
    GameObject[] ballsSpawn = new GameObject[2];
    [Range(2,3)] int spawnTime;


    Vector2 shooterPosition;
    Vector2 initialPosition;

    // Start is called before the first frame update
    void Start()
    {
        spawningBool = true;
        shooterPosition = cannon.transform.position - transform.position;
        initialPosition = transform.position;

        StartCoroutine(BallSpawner());
    }

    private void NewSpawnPosition()
    {
        transform.position = initialPosition;
    }

    private void TypeOfBallsSpawning()
    {
        for (int i = 0; i < ballsSpawn.Length; i++)
        {
            ballsSpawn[0] = Instantiate(ballsSpawn[0]) as GameObject;
            ballsSpawn[1] = Instantiate(ballsSpawn[1]) as GameObject;
            ballsSpawn[2] = Instantiate(ballsSpawn[2]) as GameObject;
        }
    }

    IEnumerator BallSpawner()
    {
        while (spawningBool)
        {
            yield return new WaitForSeconds(spawnTime);
            Instantiate(ballsSpawn, transform.position, transform.rotation);
            yield return new WaitForSeconds(3);
        }
    }

    // Update is called once per frame
    void Update()
    {

    }
}