| <html> |
| <head> |
| <title>Hit testing on backface</title> |
| <style type="text/css" media="screen"> |
| |
| div:hover { |
| outline: 2px solid orange; |
| } |
| #container { |
| width: 400px; |
| height: 200px; |
| border: 1px solid black; |
| } |
| |
| .box { |
| display: inline-block; |
| width: 160px; |
| height: 160px; |
| background-color: gray; |
| margin: 18px; |
| font-size: 200%; |
| text-align: center; |
| } |
| |
| </style> |
| <script type="text/javascript" charset="utf-8"> |
| function log(s) |
| { |
| var results = document.getElementById('results'); |
| results.innerHTML += s + '<br>'; |
| } |
| |
| function runTest() |
| { |
| var firstHit = document.elementFromPoint(120, 150); |
| var secondHit = document.elementFromPoint(300, 150); |
| |
| var box1 = document.getElementById('box1'); |
| var box2 = document.getElementById('box1'); |
| var container = document.getElementById('container'); |
| |
| if (firstHit == box1) |
| log('Found box1 on left: PASS'); |
| else |
| log('Found ' + firstHit.id + ' on left: FAIL'); |
| |
| if (secondHit == container) |
| log('Found container on right: PASS'); |
| else |
| log('Found ' + secondHit.id + ' on right: FAIL'); |
| } |
| |
| </script> |
| </head> |
| <body onload="runTest()"> |
| |
| <p>There are two boxes below, both rotated 180° in Y. The rightmost one has backface-visibility: hidden, so you can't see it.</p> |
| <div id="container"> |
| <div class="box" id="box1" style="-webkit-transform: translateZ(1px) rotateY(180deg)"></div> |
| <div class="box" id="box2" style="-webkit-transform: translateZ(1px) rotateY(180deg); -webkit-backface-visibility: hidden;"></div> |
| </div> |
| |
| <div id="results"> |
| </div> |
| |
| </body> |
| </html> |
