private void Spawn()
    {
        for (int i = 0; i < spawnAmount; ++i)
        {
            if (totalModules < maxModules)
            {
                GameObject module = ObjectPooler.Instance.GetPooledObject("Module");

                Vector2 position = SpawnerHelper.SpawnPosition(normalizedExtraScreen);

                module.transform.position = mainCam.ViewportToWorldPoint(new Vector3(position.x, position.y, mainCam.transform.position.y));

                module.transform.rotation = Random.rotation;
                Vector3 eulerAngles = module.transform.eulerAngles;
                eulerAngles.x = 0;
                module.transform.eulerAngles = eulerAngles;

                //Select module based on Rarity, then initialize it.
                int          moduleRarityInt = Random.Range(0, (int)ModuleRarity.ALL);
                ModuleRarity moduleRarity    = ModuleRarity.COMMON;
                if (GameManager.Instance.onlyRare)
                {
                    moduleRarity = ModuleRarity.RARE;
                }
                else
                {
                    if (moduleRarityInt < (int)ModuleRarity.RARE)
                    {
                        moduleRarity = ModuleRarity.RARE;
                    }
                    else if (moduleRarityInt < (int)ModuleRarity.UNCOMMON)
                    {
                        moduleRarity = ModuleRarity.UNCOMMON;
                    }
                }

                List <ModuleData> rarityModules = new List <ModuleData>();

                for (int j = 0; j < availableModules.Length; ++j)
                {
                    if (availableModules[j].moduleRarity == moduleRarity)
                    {
                        rarityModules.Add(availableModules[j]);
                    }
                }

                if (rarityModules.Count > 0)
                {
                    int randModule = Random.Range(0, rarityModules.Count);

                    module.GetComponent <Module>().Init(rarityModules[randModule], normalizedExtraScreen);
                }

                totalModules++;
            }
        }
    }
    private void Spawn()
    {
        for (int i = 0; i < spawnAmount; ++i)
        {
            if (totalAsteroids < maxAsteroids)
            {
                GameObject asteroid = ObjectPooler.Instance.GetPooledObject("Asteroid");

                Vector2 position = SpawnerHelper.SpawnPosition(normalizedExtraScreen);

                asteroid.transform.position = mainCam.ViewportToWorldPoint(new Vector3(position.x, position.y, mainCam.transform.position.y));
                AsteroidSize randomSize = (AsteroidSize)Random.Range(1, System.Enum.GetNames(typeof(AsteroidSize)).Length);
                asteroid.GetComponent <Asteroid>().Init(randomSize, GameManager.Instance.player.transform.position, false, normalizedExtraScreen);

                totalAsteroids++;
            }
        }
    }