public class RockSpawner : MonoBehaviour
{
    public float spawnRate = 2;
    private float timer = 0;
    public float heightOffset = 10;
    public GameObject asteroid;
    public GameObject logic;

    // Start is called before the first frame update
    void Start()
    {
        spawnAsteroid();
        public float boss = logic.GetComponent<bossTime>();
    }

    // Update is called once per frame
    void Update()
    {
        spawnRate = (spawnRate + boss);
        if (timer < spawnRate)
        {
            timer = timer + Time.deltaTime;
        }
        else
        {
            spawnAsteroid();
            timer = 0;
        }
    }

    void spawnAsteroid()
    {
        float lowestPoint = transform.position.y - heightOffset;
        float highestPoint = transform.position.y + heightOffset;

        Instantiate(asteroid, new Vector3(transform.position.x, Random.Range(lowestPoint, highestPoint), 0), transform.rotation);
    }
}