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Last change
on this file since 28914 was 28914, checked in by ak19, 10 years ago |
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Supporting javascript libraries and bespoke code written by Steffan to support the von-sparql user interface
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File size:
1.2 KB
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| [28914] | 1 | <!DOCTYPE html>
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| 2 | <html>
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| 3 | <head>
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| 4 | <meta charset="UTF-8">
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| 5 | <title>Animated Star</title>
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| 6 | <link rel="stylesheet" href="../css/style.css">
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| 7 | <script type="text/javascript" src="../../dist/paper.js"></script>
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| 8 | <script type="text/paperscript" canvas="canvas">
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| 9 | var layer = project.activeLayer;
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| 10 |
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| 11 | var values = {
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| 12 | count: 34,
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| 13 | points: 32
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| 14 | };
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| 15 |
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| 16 | for (var i = 0; i < values.count; i++) {
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| 17 | var path = new Path({
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| 18 | fillColor: i % 2 ? 'red' : 'black',
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| 19 | closed: true
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| 20 | });
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| 21 |
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| 22 | var offset = new Point(20 + 10 * i, 0);
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| 23 | var l = offset.length;
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| 24 | for (var j = 0; j < values.points * 2; j++) {
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| 25 | offset.angle += 360 / values.points;
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| 26 | var vector = offset.normalize(l * (j % 2 ? 0.1 : -0.1));
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| 27 | path.add(offset + vector);
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| 28 | }
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| 29 | path.smooth();
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| 30 | layer.insertChild(0, new Group({
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| 31 | children: [path],
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| 32 | transformContent: false
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| 33 | }));
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| 34 | }
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| 35 |
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| 36 | function onFrame(event) {
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| 37 | for (var i = 0; i < values.count; i++) {
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| 38 | var item = layer.children[i];
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| 39 | var angle = (values.count - i) * Math.sin(event.count / 128) / 10;
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| 40 | item.rotate(angle);
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| 41 | }
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| 42 | }
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| 43 |
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| 44 | // Reposition the paths whenever the window is resized:
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| 45 | function onResize(event) {
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| 46 | layer.position = view.center;
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| 47 | }
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| 48 | </script>
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| 49 | </head>
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| 50 | <body>
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| 51 | <canvas id="canvas" resize stats hidpi="off"></canvas>
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| 52 | </body>
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| 53 | </html> |
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