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40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/*
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* Paper.js
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*
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* This file is part of Paper.js, a JavaScript Vector Graphics Library,
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* based on Scriptographer.org and designed to be largely API compatible.
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* http://paperjs.org/
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* http://scriptographer.org/
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*
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* Copyright (c) 2011, Juerg Lehni & Jonathan Puckey
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* http://lehni.org/ & http://jonathanpuckey.com/
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*
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* Distributed under the MIT license. See LICENSE file for details.
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*
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* All rights reserved.
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*/
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module('Path Length');
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test('path.length', function() {
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var path = new Path([
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new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
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new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74))
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]);
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var length = path.length;
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compareNumbers(length, 172.10122680664062);
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var param = path.curves[0].getParameter(length / 4);
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compareNumbers(param, 0.2255849553116685);
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});
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test('curve.getParameter with straight curve', function() {
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var path = new Path();
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path.moveTo(100, 100);
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path.lineTo(500, 500);
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var curve = path.curves[0];
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var length = curve.length;
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var t = curve.getParameter(length / 3);
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compareNumbers(t, 0.3869631475722452);
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});
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