private IEnumerator SpawnEnemyWave(Waveconfig wave) { for (int i = 0; i < wave.GetNumberOfEnemies(); i++) { Instantiate( wave.GetEnemy(), transform.position, Quaternion.identity); yield return(new WaitForSeconds(wave.GetSpawnTime())); } yield return(new WaitForSeconds(wave.GetSpawnDuration())); }