let pointerTracker = function (e) {
    let out = { x: 0, y: 0 };
    if (
      e.type == "touchstart" ||
      e.type == "touchmove" ||
      e.type == "touchend" ||
      e.type == "touchcancel" ||
      e.type == "touchforcechange"
    ) {
      let touch =
        e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
      out.x = touch.pageX;
      out.y = touch.pageY;
    } else if (
      e.type == "mousedown" ||
      e.type == "mouseup" ||
      e.type == "mousemove" ||
      e.type == "mouseover" ||
      e.type == "mouseout" ||
      e.type == "mouseenter" ||
      e.type == "mouseleave"
    ) {
      out.x = e.pageX;
      out.y = e.pageY;
    }
    return out;
  };

  document.addEventListener("mousemove", function (e) {
    let tracker = pointerTracker(e);
    parent.postMessage(tracker, "*");
  });

  document.addEventListener("touchstart", function (e) {
    let tracker = pointerTracker(e);
    parent.postMessage(tracker, "*");
  });