// stack version
private void SpawnOneEnemy()
{
if (spawnStack.Count == 0)
{
spawnStack = ListUtils.CreateShuffledStack(spawnPoints);
}
var enemy = Instantiate(enemyPrefab, enemyParent.transform);
var sp = spawnStack.Pop();
enemy.transform.position = sp.transform.position;
//Set Enemy Parametres
enemy.GetComponent <EnemyBehaviour>().SetMoveSpeed(waveConfig.GetEnemySpeed());
enemy.GetComponent <Enemy>().ScoreValue = waveConfig.GetScoreValue();
enemy.GetComponent <Enemy>().DamageValue = waveConfig.GetDamageValue();
//use new sprite
enemy.GetComponent <SpriteRenderer>().sprite = waveConfig.GetEnemySprite();
PublishOnEnemySpawnedEvent(); // tell the system
}