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Add SquareRounded.html example.

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Jonathan Puckey 2011-03-09 16:15:01 +01:00
parent 08d66ae231
commit 81f48e2168
1 changed files with 83 additions and 0 deletions
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examples/Tools/SquareRounded.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Example</title>
<script type="text/javascript">var root = '../../'</script>
<script type="text/javascript" src="../../src/load.js"></script>
<script type="text/paperscript" canvas="canvas">
/////////////////////////////////////////////////////////////////////
// Values
var values = {
radius: 10,
tolerance: 5
};
checkValues();
document.currentStyle = {
strokeColor: 'black',
strokeWidth: 5,
strokeCap: 'round'
};
/////////////////////////////////////////////////////////////////////
// Mouse handling
var handle;
function checkValues() {
var min = values.radius * 2;
if (values.tolerance < min) values.tolerance = min;
handle = values.radius * 0.5522847498; // kappa
}
var path;
function onMouseDown(event) {
path = new Path();
path.segments = [event.point, event.point];
prevPoint = path.firstSegment.point;
curPoint = path.lastSegment.point;
curHandleSeg = null;
}
function onMouseUp(event) {
// path.pointsToCurves(0, 0, 1, 0.001);
}
var curPoint, prevPoint, curHandleSeg;
function onMouseDrag(event) {
var point = event.point;
var diff = (point - prevPoint).abs();
if (diff.x < diff.y) {
curPoint.x = prevPoint.x;
curPoint.y = point.y;
} else {
curPoint.x = point.x;
curPoint.y = prevPoint.y;
}
var normal = curPoint - prevPoint;
normal.length = 1;
if (curHandleSeg) {
curHandleSeg.point = prevPoint + (normal * values.radius);
curHandleSeg.handleIn = normal * -handle;
}
var minDiff = Math.min(diff.x, diff.y);
if (minDiff > values.tolerance) {
var point = curPoint - (normal * values.radius);
var segment = new Segment(point, null, normal * handle);
path.insert(path.segments.length - 1, segment);
curHandleSeg = path.lastSegment;
// clone as we want the unmodified one:
prevPoint = curHandleSeg.point.clone();
// TODO: potential bug - in SG we don't need to clone this
// point, why?
path.add(curHandleSeg.clone());
curPoint = path.lastSegment.point;
}
}
</script>
</head>
<body>
<canvas id='canvas' width=1024 height=768></canvas>
</body>