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<html>
<head>
<title>Watt | JSXGraph Example</title>
<link rel="stylesheet" type="text/css" href="../../distrib/jsxgraph.css" />
<script type="text/javascript" src="../../distrib/jsxgraphcore.js"></script>
</head>
<body>
<div id="debug" style="display: none"></div>
<center>
<div style="width: 1000px;">
<div style="width:600px; height: 510px;">
<div id="jxgbox" class="jxgbox" style="width:600px; height:500px; text-align: left; float: left;"></div>
</div>
<div style="width: 800px; margin-top: 10px;">
<form>
<input type="button" onclick="computeLocus1();" value="Calculate locus 1" />
<input type="button" onclick="computeLocus2();" value="Calculate locus 2" />
<input type="button" onclick="showTimes();" value="Show times" />
</form>
</div>
</div>
</center>
<div id="polynomials" style="display: block; width: 600px; height: 500px; margin-left: 10px; text-align: left; padding-left: -200px;"></div>
<script type="text/javascript">
/* <![CDATA[ */
board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-12, 12, 12, -12], axis: true, grid: false, keepaspectratio: true});
A = board.create('point', [0,0]);
B = A;
k1 = board.create('circle', [A, 8]);
D = board.create('glider', [1,1,k1]);
T1 = board.create('midpoint', [D, B], {color: 'green'});
T2 = board.create('midpoint', [T1, B]);
T3 = board.create('midpoint', [T2, B]);
locus1 = null;
time1 = 0;
locus2 = null;
time2 = 0;
function computeLocus1() {
locus1 = board.create('locus', [T2]);
time1 = locus1.ctime;
}
function computeLocus2() {
time2 = 0;
l1 = board.create('locus', [T1]);
time2 += l1.ctime;
g1 = board.create('glider', [1,1,l1]);
m1 = board.create('midpoint', [A, g1]);
l2 = board.create('locus', [m1]);
time2 += l2.ctime;
// g2 = board.create('glider', [1,1,l2]);
// m2 = board.create('midpoint', [A,g2]);
// l3 = board.create('locus', [m2]);
// time2 += l3.ctime;
}
function showTimes() {
var d = document.getElementById('polynomials');
d.innerHTML = '';
d.innerHTML += 'chained: ' + time2 + '<br />';
d.innerHTML += 'direct: ' + time1;
}
/* ]]> */
</script>
<br/>
</body>
</html>
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