Unity card flip

CardController.cs

public class CardController : MonoBehaviour {

	public Sprite frontSprite;
	public Sprite backSprite;
	public float uncoverTime = 12.0f;

	// Use this for initialization
	void Start () {
		GameObject card = new GameObject("Card"); // parent object
		GameObject cardFront = new GameObject("CardFront");
		GameObject cardBack = new GameObject("CardBack");

		cardFront.transform.parent = card.transform; // make front child of card
		cardBack.transform.parent = card.transform; // make back child of card

		// front (motive)
		cardFront.AddComponent<SpriteRenderer>();
		cardFront.GetComponent<SpriteRenderer>().sprite = frontSprite;
		cardFront.GetComponent<SpriteRenderer>().sortingOrder = -1;

		// back
		cardBack.AddComponent<SpriteRenderer>();
		cardBack.GetComponent<SpriteRenderer>().sprite = backSprite;
		cardBack.GetComponent<SpriteRenderer>().sortingOrder = 1;

		int cardWidth = (int)frontSprite.rect.width;
		int cardHeight = (int)frontSprite.rect.height;

		Debug.Log (cardWidth);
		Debug.Log (cardHeight);

		card.tag = "Card";
		card.transform.parent = transform;
		card.transform.position = transform.position;
		card.AddComponent<BoxCollider2D>();
		card.GetComponent<BoxCollider2D>().size = new Vector2(cardWidth, cardHeight);

		Debug.Log ("Start done");
	}


	// Update is called once per frame
	void Update () {
		if((Input.GetMouseButtonDown(0) || Input.touchCount > 0)) {
			Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
			RaycastHit2D hit = Physics2D.Raycast(ray.origin, ray.direction);
			// we hit a card
			if (hit.collider != null) {
				Debug.Log(hit.collider.gameObject.name);
				StartCoroutine(uncoverCard(hit.collider.gameObject.transform, true));
			}
		}
	}

	IEnumerator uncoverCard(Transform card, bool uncover){

		float minAngle = uncover ? 0 : 180;
		float maxAngle = uncover ? 180 : 0; 

		float t = 0;
		bool uncovered = false;

		while(t < 1f) {
			t += Time.deltaTime * uncoverTime;;

			float angle = Mathf.LerpAngle(minAngle, maxAngle, t);
			card.eulerAngles = new Vector3(0, angle, 0);

			if( ( (angle >= 90 && angle < 180) || (angle >= 270 && angle < 360) ) && !uncovered) {
				uncovered = true;
				for(int i = 0; i < card.childCount; i++) {
					// reverse sorting order to show the otherside of the card
					// otherwise you would still see the same sprite because they are sorted 
					// by order not distance (by default)
					Transform c = card.GetChild(i);
					c.GetComponent<SpriteRenderer>().sortingOrder *= -1;

					yield return null;
				}
			}

			yield return null;
		}
			
		yield return 0;
	}
}

Hey man, thanks a lot for this. It works perfectly and it took me a while to find some good examples on doing this. New to Unity and working with 2D sprites, so a huge help for getting my animation going!