View source for N-gones

<html>
<link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" />
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/prototype.js"></script>
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraphcore.js"></script>
<script type="text/javascript" src="http://jsxgraph.uni-bayreuth.de/distrib/jsxturtle.js"></script>
<form><textarea id="inputtext" rows=3 cols=35 wrap="off" style="width:600px;">
function n_eck(ne,sz) {
   for(var i=0;i<ne;i++) {
     t.rt(360/ne);
     t.fd(sz);
   }
}

function mn_eck(ne,sz) {
   for(var i=0;i<ne;i++) {
     t.rt(360/ne);
     n_eck(ne,sz);
   }
}

t.cs();
t.hideTurtle();
mn_eck(36,20);
</textarea><br />
<input type="button" value="run" onClick="run()">
<input type="button" value="clear" onClick="clearturtle()">
</form>
</html>
===Output===
<html>
<div id="box" class="jxgbox" style="width:600px; height:600px;"></div>
<script language="JavaScript">
var brd = JXG.JSXGraph.initBoard('box', {originX: 300, originY: 300, unitX: 1, unitY: 1});
var t = new JSXTurtleObj(brd,{fillColor:'yellow');
function run() {
  brd.suspendUpdate();
  var code = $('inputtext').value;
  if (code=='') { return; }
  eval(code);
  brd.unsuspendUpdate();
}
function clearturtle() {
  t.cs();
}
run();
</script>
</html>

===References===
This example is from
* [http://de.wikipedia.org/wiki/Logo_(Programmiersprache) http://de.wikipedia.org/wiki/Logo_(Programmiersprache)]

[[Category:Examples]]
[[Category:Turtle Graphics]]