<html>
<head>
  <title>Point mapping through deeply nested 3D transforms</title>
  <script src="point-mapping-helpers.js" type="text/javascript" charset="utf-8"></script>
  <script type="text/javascript" charset="utf-8">

    function test()
    {
      // Scroll so that frame view offsets are non-zero
      // window.scrollTo(20, 100);

      // document.getElementById('overflow').scrollLeft = 80;
      // document.getElementById('overflow').scrollTop = 60;
      
      // In non-test mode, show the mouse coords for testing
      if (!window.testRunner)
        document.body.addEventListener('mousemove', mousemoved, false);

      dispatchEvent(45, 45, 'box1', 3, 3);
      dispatchEvent(54, 44, 'box2', 2, 2);
      dispatchEvent(104, 93, 'box3', 2, 2);

      dispatchEvent(175, 137, 'box4', 2, 2);
      dispatchEvent(167, 528, 'box4', 2, 296);

      dispatchEvent(227, 197, 'box5', 2, 2);

      dispatchEvent(539, 569, 'box7', 296, 296);

      dispatchEvent(431, 441, 'box8', 85, 85);
    }
  </script>
  <style type="text/css" media="screen">
  
    body {
      margin: 0;
      border: 1px solid black;
      cursor: crosshair;
    }

    .test {
      display: inline-block;
      height: 400px;
      width: 400px;
      border: 1px solid black;
      margin: 20px;
    }

    .box {
      height: 300px;
      width: 300px;
      -webkit-box-sizing: border-box;
      background-color: #DDD;
      border: 1px solid black;
    }

    .box:hover {
      outline: 3px solid orange;
    }
    
    .container {
      height: 340px;
      width: 340px;
      margin: 20px;
      border: 1px solid black;
      -webkit-box-sizing: border-box;
      -webkit-perspective: 400;
    }
    
    .transformed-3d {
      height: 300px;
      width: 300px;
      padding: 20px;
      margin: 20px;
      border: 1px solid black;
      background-color: #81AA8A;
      -webkit-transform-style: preserve-3d;
      -webkit-box-sizing: border-box;
      -webkit-transform: rotateY(20deg);
    }

    .transformed-flat {
      height: 300px;
      width: 300px;
      padding: 20px;
      margin: 20px;
      border: 1px solid black;
      background-color: #AA7994;
      -webkit-transform-style: flat;
      -webkit-box-sizing: border-box;
    }
    
    .inner {
      background-color: blue;
      height: 90px;
      width: 90px;
      margin: 40px;
    }
    
    #results {
      position: absolute;
      left: 30px;
      top: 650px;
    }
    
    #mousepos {
      position: absolute;
      left: 30px;
      top: 600px;
      color: gray;
      font-size: smaller;
    }
  </style>
</head>
<body onclick="clicked(event)">

<!-- <div id="filler" style="position: absolute; top: 0; width: 100%; height: 100%"></div> -->

<div class="test">
  <!-- Flatten in the middle of 3d -->
  <div class="container box" id="box1">
    <div class="transformed-3d box" id="box2">
      <div class="transformed-3d box" style="-webkit-transform: translateZ(40px) rotateX(10deg)" id="box3">
        <div class="transformed-flat box" style="-webkit-transform: translate3d(0, 20px, 40px) rotateX(-15deg)" id="box4">
          <div class="transformed-flat box" style="-webkit-perspective: 500" id="box5">
            <div class="transformed-3d box" style="-webkit-transform-origin: top left; -webkit-transform: rotateY(-15deg);" id="box6">
              <div class="transformed-3d box" style="-webkit-transform-origin: top left; -webkit-transform: translateZ(20px)" id="box7">
                <div class="inner" id="box8">
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</div>

<div id="results"></div>
<div id="mousepos"></div>

</body>
</html>