public void CreateEnemyAtGameStart(int step_idx) { enemyCreator.SetEnemyType(EnemyCreator.EnemyType.TYPE_BIRD); if (step_idx > 1) { enemys = enemyCreator.CreateObjs(bgPrevious.GetLastEnemy()); } else if (step_idx == 1) { enemys = enemyCreator.CreateObjs(); } }