css/css-transforms/ttwf-css-3d-polygon-cycle.html

<!DOCTYPE html>
<html>
<!-- Submitted from TestTWF Paris -->
<head>
  <title>CSS Transforms Test: 3d transform polygon cycle</title>
  <link rel="author" title="Leo Ziegler" href="mailto:leo.ziegler@gmail.com">
  <link rel="help" href="http://www.w3.org/TR/css-transforms-2/#3d-transform-rendering">
  <!-- See also: http://http://en.wikipedia.org/wiki/Newell's_algorithm -->
  <link rel="match" href="reference/ttwf-css-3d-polygon-cycle-ref.html">
  <meta name="fuzzy" content="maxDifference=0-113;totalPixels=0-622">
  <meta name="flags" content="svg">
  <meta name="assert"
    content="The red, green and blue rectangles are forming a cycle, which should be detected and rendered using Newell Algorithm's.">
  <style type="text/css">
    #container {
      position: absolute;
      top: 100px;
      left: 100px;
      transform-style: preserve-3d;
    }
    .rect {
      position: absolute;
    }
    #red {
      background-color: red;
      width: 200px;
      height: 50px;
      transform: rotateY(20deg);
    }
    #green {
      background-color: green;
      width: 50px;
      height: 200px;
      transform: rotateX(20deg);
    }
    #blue {
      background-color: blue;
      width: 50px;
      height: 200px;
      transform: rotate(45deg) translate(50px, -50px) rotateX(-20deg);
    }
  </style>
</head>
<body>
  <p>The test passes if there red is over green, green is over blue and blue is over red.</p>
  <div id="container">
    <div class="rect" id="red"></div>
    <div class="rect" id="green"></div>
    <div class="rect" id="blue"></div>
  </div>
</body>
</html>