N-gones - Slow version: Difference between revisions

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Line 3: Line 3:
<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=12 cols=35 wrap="off" style="width:600px;">
<form><textarea id="inputtext" rows=8 cols=35 wrap="off" style="width:600px;">
/*
speed=50;
function mn_eck(ne,sz) {
  for(var i=ne;i>0;i--) {
    t.rt(360/ne);
    for(var j=ne;j>0;j--) {
      t.rt(360/ne);
      t.fd(sz);
    }
  }
}
*/
 
function mn_eck(ne,sz) {
outerloop(ne,ne,sz);
}
 
t.cs().hideTurtle().setProperty({strokeWidth:4,strokeOpacity:0.6,fillOpacity:0.3});
t.cs().hideTurtle().setProperty({strokeWidth:4,strokeOpacity:0.6,fillOpacity:0.3});
mn_eck(7,80);
ngon(7,80);
</textarea><br />
</textarea><br />
<input type="button" value="run" onClick="runturtle()">
<input type="button" value="run" onClick="runturtle()">
Line 31: Line 16:
var brd = JXG.JSXGraph.initBoard('jxgbox', {originX:300, originY:300, unitX:1, unitY:1});
var brd = JXG.JSXGraph.initBoard('jxgbox', {originX:300, originY:300, unitX:1, unitY:1});
var t = brd.createElement('turtle',[],{fillColor:'yellow'});
var t = brd.createElement('turtle',[],{fillColor:'yellow'});
var speed;


function outerloop(i,ne,sz) {
function innerloop(i,j,ne,sz) {
   if (i>0) {
   if (i>0) {
    if (j==ne) { t.rt(360/ne); }
     t.rt(360/ne);
     t.rt(360/ne);
     for(var j=ne;j>0;j--) {
     t.fd(sz);
       t.rt(360/ne);
    j--;
       t.fd(sz);
    if (j<=0) {
       j=ne;
       i--;
     }
     }
     var st = 'outerloop('+(i-1)+','+ne+','+sz+')';
     var st = 'innerloop('+(i)+','+(j)+','+ne+','+sz+')';
    //alert(st);
     setTimeout(st,speed);
     setTimeout(st,25);
   }
   }
}
}


function ngon(ne,sz) {
  innerloop(ne,ne,ne,sz);
}


function runturtle() {
function runturtle() {
   brd.suspendUpdate();
   //brd.suspendUpdate();


   var code = $('inputtext').value;
   var code = $('inputtext').value;
   if (code=='') { return; }
   if (code=='') { return; }
   eval(code);
   eval(code);
   brd.unsuspendUpdate();
   //brd.unsuspendUpdate();
}
}
function clearturtle() {
function clearturtle() {
   t.cs();
   t.cs();
}
}
//runturtle();
</jsxgraph>
</jsxgraph>


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

Revision as of 16:08, 25 February 2009


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