function touchCancel() {
      // reset the variables back to default values
      fingerCount = 0;
      endTime = 0;
      startTime = 0;
      startTouchesDistance = 0;
      endTouchesDistance = 0;
      pinchZoom = 1;

      //If we were in progress of tracking a possible multi touch end, then re set it.
      cancelMultiFingerRelease();

      setTouchInProgress(false);
    }
Event handler for a touch cancel event.
Clears current vars
@inner