N-gones - Slow version: Difference between revisions

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<jsxgraph width="600" height="600">
<jsxgraph width="600" height="600">
var brd = JXG.JSXGraph.initBoard('jxgbox', {originX:300, originY:300, unitX:1, unitY:1});
var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-300, 300, 300, -300]});
var t = brd.createElement('turtle',[],{fillColor:'yellow'});
var t = brd.create('turtle',[],{fillColor:'yellow'});
var speed;
var speed;
function innerloop(i,j,ne,sz) {
function innerloop(i,j,ne,sz) {
Line 43: Line 43:
</jsxgraph>
</jsxgraph>


This example uses the [http://www.mediawiki.org/wiki/Extension:JSXGraph JSXGraph MediaWiki extension].
 
<source lang="xml">
== Sourcecode ==
<jsxgraph width="600" height="600">-->
 
var brd = JXG.JSXGraph.initBoard('jxgbox', {originX:300, originY:300, unitX:1, unitY:1});
<source lang="javascript">
var t = brd.createElement('turtle',[],{fillColor:'yellow'});
var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox: [-300, 300, 300, -300]});
var t = brd.create('turtle',[],{fillColor:'yellow'});
var speed;
var speed;


Line 77: Line 78:
   t.cs();
   t.cs();
}
}
</jsxgraph>
</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();
}