1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
<!DOCTYPE html>
<html>
<head>
<title>JSXGraph example</title>
<!-- JSXGraph -->
<link rel="stylesheet" type="text/css" href="../../distrib/jsxgraph.css" />
<link rel="stylesheet" type="text/css" href="css/dark.css" />
<script type="text/javascript" src="../../src/loadjsxgraph.js"></script>
<!-- jQuery -->
<script type="text/javascript" src="../../distrib/jquery.min.js"></script>
<!-- Syntax Highlighting -->
<link rel="stylesheet" type="text/css" href="css/shCore.css" />
<link rel="stylesheet" type="text/css" href="css/shThemeDark.css" />
<script type="text/javascript" src="js/shCore.js"></script>
<script type="text/javascript" src="js/shBrushJScript.js"></script>
</head>
<body>
<img src="img/logo-darker.png" id="watermark" />
<div id="header">
<span id="jsxgraph-head"><a href="http://jsxgraph.org/"><img src="img/logo-grayscale.png" alt="JSXGraph" /></a></span>
</div>
<div id="title">
<ul id="menu">
<li id="menu-title"><h2><a href="javascript:void(0);" id="head-construction">Infinity</a></h2></li>
<li id="menu-info"><h2><a href="javascript:void(0);" id="head-explanation">Info</a></h2></li>
<li id="menu-source"><h2><a href="javascript:void(0);" id="head-source">Source</a></h2></li>
</ul>
</div>
<div id="container" class="content-block">
<center>
<div id="construction">
<div id="jxgbox" class="jxgbox" style="width: 500px; height: 500px;"></div>
</div>
</center>
<script type="text/javascript" src="js/jsxgraph-dark.js"></script>
<script id="jxg" type="text/javascript">
(function() {
var board = JXG.JSXGraph.initBoard('jxgbox', {
boundingbox: [-9, 8, 9, -10],
keepaspectreatio: true,
axis: false,
grid: false,
shownavigation: false
});
// construction
board.suspendUpdate();
var S = board.create('slider', [[-5,-6],[5,-6],[0,0.85,1]], {
name:'Whirl'
});
var hue = board.create('slider', [[-5,-7],[5,-7],[0,20.5,36]], {
name:'Colors'
});
var points = new Array();
points[0] = board.create('point',[5, 5], {name:' '});
points[1] = board.create('point',[-5, 5], {name:' '});
points[2] = board.create('point',[-5, -5], {name:' '});
points[3] = board.create('point',[5, -5], {name:' '});
function quadrangle(pt, n) {
var col;
var arr = new Array();
for(var i = 0; i < 4; i++) {
arr[i] = board.create('point',
[function(t) {
return function () {var x = pt[t].X();
var x1 = pt[(t+1)%4].X();
var s = S.Value();
return x+(x1-x)*s;
}}(i),
function(t) {
return function () {var y = pt[t].Y();
var y1 = pt[(t+1)%4].Y();
var s = S.Value();
return y+(y1-y)*s;
}}(i)
],
{size:1, name: "", withLabel: false, visible: false});
}
col = function(){return JXG.hsv2rgb(hue.Value()*n,0.7,0.9);};
board.create('polygon',pt, {fillColor:col});
if(n>0)
quadrangle(arr, --n);
}
quadrangle(points,30);
board.unsuspendUpdate();
})();
</script>
</div>
<div id="explanation" class="content-block">
Just enjoy this construction!
</div>
<div id="source" class="content-block">
<script id="jxgsource" type="syntaxhighlighter" class="brush: js"></script>
</div>
<div id="footer">
JSXGraph is licensed under <a href="http://www.gnu.org/licenses/lgpl.txt">LGPL</a>; © 2008-2011 <a href="http://jsxgraph.uni-bayreuth.de/wp/documentation/the-team/">JSXGraph Team</a>
</div>
</div> <!-- #container -->
<script type="text/javascript">
// <![CDATA[
$(document).ready(function() {
var parts = {
construction: 'show',
source: 'hide',
explanation: 'hide'
},
part;
$('#jxgsource').text($('#jxg').text());
SyntaxHighlighter.all();
for(part in parts) {
$('#' + part)[parts[part]]();
$('#head-'+part).click(function(_part) {
return function() {
var p;
for(p in parts) {
$('#' + p).hide();
}
$('#'+_part).show();
}
}(part));
}
});
// ]]>
</script>
</body>
</html>
|
