BattleArea.SpawnAllEnemies C# (CSharp) Method

    private IEnumerator SpawnAllEnemies()
    {
        Vector3 castOrigin = this.GetSpawnCenter();
        int count = 0;
        for(int i=0; i<this.enemyID.Length; i++)
        {
            while(this.spawnedQuantity[i] < this.enemyQuantity[i])
            {
                if(!this.SpawnEnemy(i, castOrigin+this.GetRandomAdd()))
                {
                    count++;
                    if(count > 10)
                    {
                        count = 0;
                        yield return null;
                    }
                }
            }
        }
    }