2d touch not working

Hi, im trying to handle touch in my 2d mobile game but it`s acting very strange.

Here`s my code:

  if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved)
         {
                 RaycastHit2D hitInfo = Physics2D.Raycast(Camera.main.ScreenToWorldPoint(Input.GetTouch(0).position), Vector2.zero);
                 // RaycastHit2D can be either true or null, but has an implicit conversion to bool, so we can use it like this
                 if(hitInfo)
                 {
                     Debug.Log( hitInfo.transform.gameObject.name );
                     HandleTouch (hitInfo.transform.tag);
                 }
         }

And:

 public void HandleTouch(string objtag)
     {
         if (objtag == "Zone") {
             canswipe = true;
         } else if (objtag == "Line" && canswipe) {
             current++;
             canswipe = false;
             SpawnParticles ();
         } else {
             print ("Invalid tag or canswipe = false");
         }
     }