N-gones - Slow version: Difference between revisions
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| A WASSERMANN (talk | contribs) No edit summary | A WASSERMANN (talk | contribs) No edit summary | ||
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| Line 1: | Line 1: | ||
| <html> | <html> | ||
| <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | <link rel="stylesheet" type="text/css" href="http://jsxgraph.uni-bayreuth.de/distrib/jsxgraph.css" /> | ||
| <form><textarea id="inputtext" rows=5 cols=35 wrap="off" style="width:600px;"> | <form><textarea id="inputtext" rows=5 cols=35 wrap="off" style="width:600px;"> | ||
| speed=25; | speed=25; | ||
| Line 14: | Line 12: | ||
| <jsxgraph width="600" height="600"> | <jsxgraph width="600" height="600"> | ||
| var brd = JXG.JSXGraph.initBoard('jxgbox', { | var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-300, 300, 300, -300]}); | ||
| var t = brd. | var t = brd.create('turtle',[],{fillColor:'yellow'}); | ||
| var speed; | var speed; | ||
| function innerloop(i,j,ne,sz) { | function innerloop(i,j,ne,sz) { | ||
| Line 36: | Line 34: | ||
| } | } | ||
| function runturtle() { | function runturtle() { | ||
|    var code =  |    var code = document.getElementById('inputtext').value; | ||
|    if (code=='') { return; } |    if (code=='') { return; } | ||
|    eval(code); |    eval(code); | ||
| Line 45: | Line 43: | ||
| </jsxgraph> | </jsxgraph> | ||
| <source lang=" | == Sourcecode == | ||
| var brd = JXG.JSXGraph.initBoard('jxgbox', { | <source lang="javascript"> | ||
| var t = brd. | var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-300, 300, 300, -300]}); | ||
| var t = brd.create('turtle',[],{fillColor:'yellow'}); | |||
| var speed; | var speed; | ||
| Line 72: | Line 71: | ||
| function runturtle() { | function runturtle() { | ||
|    var code =  |    var code = document.getElementById('inputtext').value; | ||
|    if (code=='') { return; } |    if (code=='') { return; } | ||
|    eval(code); |    eval(code); | ||
| Line 79: | Line 78: | ||
|    t.cs(); |    t.cs(); | ||
| } | } | ||
| </source> | </source> | ||
| [[Category:Examples]] | [[Category:Examples]] | ||
| [[Category:Turtle Graphics]] | [[Category:Turtle Graphics]] | ||
Latest revision as of 13:34, 3 March 2021
Sourcecode
var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-300, 300, 300, -300]});
var t = brd.create('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 = document.getElementById('inputtext').value;
  if (code=='') { return; }
  eval(code);
}
function clearturtle() {
  t.cs();
}
