getMousePositions = function getMousePositions(event) {
            if (typeof event === "undefined") {
                event = {
                    pageX: $(this).offset().left + $(this).outerWidth() / 2,
                    pageY: $(this).offset().top + $(this).outerHeight() / 2
                };
            }
            return { x: event.pageX, y: event.pageY };
        }
Return the x,y position of the mouse on the tilt element
@returns {{x: *, y: *}}