2011-02-21 14:31:26 +01:00
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<!DOCTYPE html>
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2011-02-09 01:10:55 +01:00
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<html>
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<head>
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2013-06-02 13:41:10 -07:00
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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>Dripping Brush</title>
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2011-05-05 16:25:17 +01:00
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<link rel="stylesheet" href="../css/style.css">
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2014-04-06 13:44:19 +02:00
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<script type="text/javascript" src="../../dist/paper-full.js"></script>
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2011-03-04 12:38:38 +01:00
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<script type="text/paperscript" canvas="canvas">
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var path;
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var minSize = 5;
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tool.maxDistance = 20;
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function onMouseDrag(event) {
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// If the user dragged more then minSize:
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if (event.delta.length > minSize) {
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// If there is no path, make one:
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if (!path) {
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2013-03-09 16:02:11 +01:00
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path = new Path({
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fillColor: 'black'
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});
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2011-03-04 12:38:38 +01:00
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path.add(event.lastPoint);
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}
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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var step = event.delta / 2;
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step.angle = step.angle + 90;
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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// The top point: the middle point + the step rotated by 90 degrees:
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// -----*
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// |
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// ------
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var top = event.middlePoint + step;
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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// The bottom point: the middle point - the step rotated by 90 degrees:
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// ------
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// |
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// -----*
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var bottom = event.middlePoint - step;
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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path.add(top);
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path.insert(0, bottom);
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path.smooth();
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} else {
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// If the user dragged too slowly:
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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// If there is currently a path, close it
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if (path) {
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path.add(event.point);
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path.closed = true;
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path.smooth();
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2011-02-09 01:10:55 +01:00
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2011-03-04 12:38:38 +01:00
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// Set path to null (nothing) so the path check above
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// will force a new path next time the user drags fast enough:
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path = null;
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2011-02-09 01:10:55 +01:00
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}
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2011-03-04 12:38:38 +01:00
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}
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}
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2011-07-07 16:09:02 +02:00
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2011-03-04 12:38:38 +01:00
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function onMouseUp(event) {
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if (path) {
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path.add(event.point);
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path.closed = true;
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path.smooth();
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// Set path to null (nothing) so the path check above
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// will force a new path next time the user drags fast enough:
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path = null;
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}
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2011-02-09 01:10:55 +01:00
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}
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</script>
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</head>
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<body>
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2011-06-29 13:44:06 +02:00
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<canvas id="canvas" resize></canvas>
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2011-05-31 00:27:39 +02:00
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</body>
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2014-04-06 13:44:19 +02:00
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</html>
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