Unity touch

if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved)
            {

                float touchDeltaPositionX = Input.GetTouch(0).deltaPosition.x;
                float position = this.transform.position.x;
                float touchDeltaPositionY = this.transform.position.y;

                if (position > -4f && position < 4f)
                {
                    transform.Translate(touchDeltaPositionX * Time.deltaTime * sensitivitySlider.value, touchDeltaPositionY * 0, 0);
                }
                else if (position <= -4f)
                {
                    if (touchDeltaPositionX > 0)
                    {
                        transform.Translate(touchDeltaPositionX * Time.deltaTime * sensitivitySlider.value, touchDeltaPositionY * 0, 0);
                    }
                }
                else if (position >= 4f)
                {
                    if (touchDeltaPositionX < 0)
                    {
                        transform.Translate(touchDeltaPositionX * Time.deltaTime * sensitivitySlider.value, touchDeltaPositionY * 0, 0);
                    }
                }
            }