Blitz - WPT: offset-path-ray-contain-001.html

wpt / css / motion / offset-path-ray-contain-001.html

/css/motion/offset-path-ray-contain-001.html

<!DOCTYPE html>
<html>
  <head>
    <title>CSS Motion Path: ray paths with contain</title>
    <link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-path-property">
    <link rel="match" href="offset-path-ray-contain-001-ref.html">
    <meta name="assert" content="This tests that the element should be contained in ray() path circle.">
    <style>
      #container {
        width: 300px;
        height: 300px;
      }
      #target {
        position: relative;
        left: 30px;
        top: 40px;
        width: 10px;
        height: 10px;
        background-color: lime;
        offset-path: ray(180deg closest-corner contain);
        offset-rotate: 0deg;
        offset-distance: 100%;
        offset-position: auto;
      }
    </style>
  </head>
  <body>
    <div id="container">
      <div id="target"></div>
    </div>
  </body>
</html>

/css/motion/offset-path-ray-contain-001-ref.html

<!DOCTYPE html>
<html>
  <head>
    <title>CSS Motion Path: ray paths with contain</title>
    <style>
      #container {
        width: 300px;
        height: 300px;
      }
      #target {
        position: relative;
        left: 30px;
        top: 40px;
        width: 10px;
        height: 10px;
        background-color: lime;
        /* ray length is sqrt(30^2 + 40^2); contain does -max(10, 10) / 2; */
        /* the result length is 45px. angle is 180deg; */
        /* 5 is origin shift. */
        transform: translate(-5px, 40px);
      }
    </style>
  </head>
  <body>
    <div id="container">
      <div id="target"></div>
    </div>
  </body>
</html>