void SpawnEnemy(GameObject eGO)
{
// Spawn enemy
int randomPoint = (int)Mathf.Round(Random.Range(0, spawnPoints.Length));
GameObject newEnemyGO = Instantiate(eGO, spawnPoints[randomPoint].transform.position, Quaternion.identity);
// Set waveSpawner reference and rowNum for the enemy
Enemy enemy = newEnemyGO.GetComponent <Enemy>();
enemy.SetManagerReferences(this);
enemy.SetRowNum(randomPoint);
// Add the enemy to 'list of enemies' that towers should shoot at
towerManager.AddEnemy(newEnemyGO, randomPoint);
}