2011-04-23 09:47:28 -04:00
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<!DOCTYPE html>
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<html>
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<head>
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2013-06-02 16:41:10 -04:00
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<meta charset="UTF-8">
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2011-06-30 09:57:17 -04:00
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<title>Smoothing</title>
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2011-05-05 11:25:17 -04:00
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<link rel="stylesheet" href="../css/style.css">
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2014-04-06 07:44:19 -04:00
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<script type="text/javascript" src="../../dist/paper-full.js"></script>
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2011-04-23 09:47:28 -04:00
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<script type="text/paperscript" canvas="canvas">
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2011-05-08 14:14:22 -04:00
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var width, height, center;
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2011-04-23 09:47:28 -04:00
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var points = 10;
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var smooth = true;
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2013-03-02 14:59:27 -05:00
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var path = new Path({
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fillColor: 'black'
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});
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2011-05-16 07:51:20 -04:00
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var mousePos = view.center / 2;
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2011-05-08 14:14:22 -04:00
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var pathHeight = mousePos.y;
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2011-05-05 13:40:10 -04:00
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initializePath();
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2011-05-08 14:14:22 -04:00
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2011-05-05 13:40:10 -04:00
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function initializePath() {
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2011-05-16 07:51:20 -04:00
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center = view.center;
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width = view.size.width;
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height = view.size.height / 2;
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2011-05-05 13:40:10 -04:00
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path.segments = [];
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2011-05-16 07:51:20 -04:00
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path.add(view.bounds.bottomLeft);
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2011-05-05 13:40:10 -04:00
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for (var i = 1; i < points; i++) {
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var point = new Point(width / points * i, center.y);
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path.add(point);
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}
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2011-05-16 07:51:20 -04:00
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path.add(view.bounds.bottomRight);
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2011-06-20 11:40:30 -04:00
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path.fullySelected = true;
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2011-04-23 09:47:28 -04:00
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}
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2011-05-08 14:14:22 -04:00
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2011-05-15 13:12:56 -04:00
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function onFrame(event) {
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2011-05-08 14:14:22 -04:00
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pathHeight += (center.y - mousePos.y - pathHeight) / 10;
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2011-04-23 10:23:31 -04:00
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for (var i = 1; i < points; i++) {
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2011-05-15 13:12:56 -04:00
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var sinSeed = event.count + (i + i % 10) * 100;
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2011-04-23 09:47:28 -04:00
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var sinHeight = Math.sin(sinSeed / 200) * pathHeight;
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var yPos = Math.sin(sinSeed / 100) * sinHeight + height;
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path.segments[i].point.y = yPos;
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}
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if (smooth)
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path.smooth();
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}
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2011-05-08 14:14:22 -04:00
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2011-04-23 09:47:28 -04:00
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function onMouseMove(event) {
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2011-05-08 14:14:22 -04:00
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mousePos = event.point;
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2011-04-23 09:47:28 -04:00
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}
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2011-05-08 14:14:22 -04:00
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2011-04-23 09:47:28 -04:00
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function onMouseDown(event) {
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smooth = !smooth;
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if (!smooth) {
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// If smooth has been turned off, we need to reset
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// the handles of the path:
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2011-04-23 10:23:31 -04:00
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for (var i = 0, l = path.segments.length; i < l; i++) {
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2011-04-23 09:47:28 -04:00
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var segment = path.segments[i];
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segment.handleIn = segment.handleOut = null;
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}
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}
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}
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2011-05-08 14:14:22 -04:00
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2011-05-05 13:40:10 -04:00
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// Reposition the path whenever the window is resized:
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2011-05-16 07:51:20 -04:00
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function onResize(event) {
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initializePath();
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}
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2011-04-23 09:47:28 -04:00
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</script>
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</head>
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<body>
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2011-06-29 07:44:06 -04:00
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<canvas id="canvas" resize></canvas>
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2011-05-30 18:13:25 -04:00
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</body>
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2014-04-06 07:44:19 -04:00
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</html>
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