Cube Rotation

 private IEnumerator SmoothMove(TileController tile, TileController.MoveDirection direction) {
        Quaternion startRotation = VisiualGridObject.rotation;
        Quaternion targetRotation = VisiualGridObject.rotation;

        switch (direction.Value) {
            case TileController.MoveDirection.Direction.Left: {
                targetRotation = Quaternion.LookRotation(Vector3.forward, Vector3.left);
                break;
            }
            case TileController.MoveDirection.Direction.Up: {
                targetRotation = Quaternion.LookRotation(Vector3.down, Vector3.forward);
                break;
            }
            case TileController.MoveDirection.Direction.Right: {
                targetRotation = Quaternion.LookRotation(Vector3.forward, Vector3.right);
                break;
            }
            case TileController.MoveDirection.Direction.Down: {
                targetRotation = Quaternion.LookRotation(Vector3.up, Vector3.back);
                break;
            }
        }

        Vector3 startPosition = transform.position;
        Vector3 targetPosition = tile.transform.position + Vector3.up * transform.localScale.x;

        GridPosition = tile.GridPosition;
        tile.CurrentObject = this;

        float timer = 0.2f;

        CanMove = false;

        AnimationCurve curve = AnimationCurve.EaseInOut(0,0,1,0);
        curve.AddKey(new Keyframe(0.5f, 1));

        while (timer > 0) {

            VisiualGridObject.rotation = Quaternion.Lerp(startRotation, targetRotation, (0.2f - timer) * 5);
            transform.position = Vector3.Lerp(startPosition, targetPosition, (0.2f - timer) * 5);

            timer -= Time.deltaTime * curve.Evaluate((0.2f - timer) * 5) + 0.01f;
            yield return null;
        }

        VisiualGridObject.rotation = Quaternion.identity;
        transform.position = targetPosition;

        CanMove = true;

        yield return null;
    }