N-gones - Slow version: Difference between revisions
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<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/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/jsxgraphcore.js"></script> | ||
<form><textarea id="inputtext" rows= | <form><textarea id="inputtext" rows=5 cols=35 wrap="off" style="width:600px;"> | ||
speed=25; | speed=25; | ||
t.cs().hideTurtle().setProperty({strokeWidth:4,strokeOpacity:0.6,fillOpacity:0.3}); | t.cs().hideTurtle().setProperty({strokeWidth:4,strokeOpacity:0.6,fillOpacity:0.3}); | ||
ngon( | ngon(10,60); | ||
</textarea><br /> | </textarea><br /> | ||
<input type="button" value="run" onClick="runturtle()"> | <input type="button" value="run" onClick="runturtle()"> | ||
| Line 38: | Line 38: | ||
function runturtle() { | function runturtle() { | ||
var code = $('inputtext').value; | var code = $('inputtext').value; | ||
if (code=='') { return; } | if (code=='') { return; } | ||
eval(code); | eval(code); | ||
} | } | ||
function clearturtle() { | function clearturtle() { | ||
| Line 76: | Line 73: | ||
function runturtle() { | function runturtle() { | ||
var code = $('inputtext').value; | var code = $('inputtext').value; | ||
if (code=='') { return; } | if (code=='') { return; } | ||
eval(code); | eval(code); | ||
} | } | ||
function clearturtle() { | function clearturtle() { | ||
Revision as of 16:11, 25 February 2009
<jsxgraph width="600" height="600">-->
var brd = JXG.JSXGraph.initBoard('jxgbox', {originX:300, originY:300, unitX:1, unitY:1});
var t = brd.createElement('turtle',[],{fillColor:'yellow'});
var speed;
function innerloop(i,j,ne,sz) {
if (i>0) {
if (j==ne) { t.rt(360/ne); }
t.rt(360/ne);
t.fd(sz);
j--;
if (j<=0) {
j=ne;
i--;
}
var st = 'innerloop('+(i)+','+(j)+','+ne+','+sz+')';
setTimeout(st,speed);
}
}
function ngon(ne,sz) {
innerloop(ne,ne,ne,sz);
}
function runturtle() {
var code = $('inputtext').value;
if (code=='') { return; }
eval(code);
}
function clearturtle() {
t.cs();
}
</jsxgraph>
