mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-01 02:38:43 -05:00
54 lines
No EOL
1.5 KiB
HTML
54 lines
No EOL
1.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Example</title>
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<script type="text/javascript">var root = '../../'</script>
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<script type="text/javascript" src="../../src/load.js"></script>
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<script type="text/paperscript" canvas="canvas">
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var width = document.bounds.width - 10;
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var height = document.bounds.height / 2;
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var pathHeight = document.bounds.height / 2;
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var points = 10;
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var count = 0;
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var smooth = true;
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var center = document.bounds.center;
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var path = new Path();
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for (var i = 0; i < points; i++) {
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var point = new Point(width / points * i + 5, center.y);
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path.add(point);
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}
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path.selected = true;
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function onFrame() {
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count++;
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for (var i = 0; i < points; i++) {
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var sinSeed = count + (i + i % 10) * 100 ;
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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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function onMouseMove(event) {
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pathHeight = center.y - event.point.y;
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}
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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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for (var i = 0; i < points; i++) {
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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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</script>
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</head>
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<body>
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<canvas id='canvas' width=1024 height=768></canvas>
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</body> |