| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <head> |
| <title>CSS Motion Path: offset-rotate</title> |
| <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-rotate-property"> |
| <link rel="match" href="offset-rotate-ref.html"> |
| <meta name="assert" content="This tests offset-rotate reverse <angle> with path()"> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <style> |
| #target { |
| position: absolute; |
| left: 300px; |
| top: 100px; |
| width: 300px; |
| height: 200px; |
| background-color: lime; |
| transform-origin: 0px 0px; |
| offset-rotate: reverse 60deg; |
| } |
| </style> |
| <script> |
| function test() { |
| let target = document.getElementById('target'); |
| // Get a path which has the same direction as "ray(-120deg ...)" |
| let verticalMove = 100 * Math.tan(30 * Math.PI / 180); |
| target.style.offsetPath = `path("m 0 0 l -100 ${verticalMove}")`; |
| window.getComputedStyle(target).offsetPath; |
| |
| window.requestAnimationFrame(function() { |
| document.documentElement.removeAttribute('class'); |
| }); |
| } |
| </script> |
| </head> |
| <body onload='test()'> |
| <div id="target"></div> |
| </body> |
| </html> |
