protected void AttachHealthBar(float barWidth = 24, float barHeight = 2, float yOffset = 1f)
{
Object healthBarObject = Instantiate(healthBarPrefab, transform.position, Quaternion.identity);
GameObject healthBarInstance = healthBarObject as GameObject;
healthBarInstance.transform.parent = transform;
healthBarController = healthBarInstance.GetComponent <HealthBarController>();
healthBarController.SetFacing(Facing.RIGHT);
healthBarController.SetColorSprite(healthBarColorSprite);
healthBarController.SetBarSize(barWidth, barHeight);
healthBarController.SetYOffset(yOffset);
}