private bool touchedLastUpdate = false;

    protected void Update()
    {
        if (OnUpdateBefore != null) OnUpdateBefore();

        BeforeUpdate();
        _screenRect = GetRect();

        int touchCount = GetTouchCount();

        if (allowTouchZoom && touchCount != lastTouchCount)
        {
            if (touchCount == 1) OnMapBasePress();
            else if (touchCount == 0) OnMapBaseRelease();
        }

        #region Marker jump bugfix
        //Correct behaviour on mobile where initial drag causes marker to jump
        bool touched = touchCount > 0;
        if (!touchedLastUpdate && touched) {
            UpdateLastPosition();
            GetCoordsInternal(out lastPositionLng, out lastPositionLat);
        }

        touchedLastUpdate = touched;
        #endregion

        if (isMapDrag && !smoothZoomStarted) UpdatePosition();

        if (allowZoom)
        {
            UpdateZoom();
            UpdateGestureZoom(touchCount);
        }

        lastTouchCount = touchCount;

        if (dragMarker != null) DragMarker();
        else if (HitTest())
        {
            map.tooltipDrawer.ShowMarkersTooltip(GetInputPosition());
        }
        else
        {
            OnlineMapsTooltipDrawerBase.tooltip = string.Empty;
            OnlineMapsTooltipDrawerBase.tooltipMarker = null;
        }
        AfterUpdate();

        if (OnUpdateAfter != null) OnUpdateAfter();

        UpdateLastPosition();
    }