private void Update()
    {
        if (currentObject != null)
        {
            if (Input.GetKey(KeyCode.R))
            {
                currentObject.rotateX();
            }
            else
            {
                if (Input.GetKey(KeyCode.LeftArrow))
                {
                    currentObject.translateLeftX();
                }
                if (Input.GetKey(KeyCode.RightArrow))
                {
                    currentObject.translateRightX();
                }

                if (Input.GetKey(KeyCode.UpArrow))
                {
                    currentObject.translateForwardZ();
                }

                if (Input.GetKey(KeyCode.DownArrow))
                {
                    currentObject.translateBackZ();
                }
            }
        }
    }