change an image with touch/drag(enable/disable gameObject or Component)

i would like to enable and disable a component by dragging, i am making a motorcycle game where the player drags up and down to move around the screen, i want to tilt him down when theyre dragging downwards.

it currently works fine like this, except for the deltatouch, how do i do it correctly?

 if ( touch.deltaPosition.y < 0 || Input.GetAxis("Vertical") > 0)
             {
                 // Bike is moving up.
                 playerStraight.gameObject.SetActive(false);
                 playerDown.gameObject.SetActive(false);
                 playerUp.gameObject.SetActive(true);
                 
                 //Debug.Log ("Pressed UP");
             }
             else if (touch.deltaPosition.y > 0 || Input.GetAxis("Vertical") < 0)
             {
                 playerStraight.gameObject.SetActive(false);
                 playerDown.gameObject.SetActive(true);
                 playerUp.gameObject.SetActive(false);
                 //Debug.Log ("Pressed DOWN");
             }
             else
             {
                 playerStraight.gameObject.SetActive(true);
                 playerDown.gameObject.SetActive(false);
                 playerUp.gameObject.SetActive(false);
             }