# Difference between revisions of "Infinity"

## Just enjoy this construction...

<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/jsxgraphcore.js"></script>
<div id="jxgbox" class="jxgbox" style="width:800px; height:700px;"></div>
<script language="JavaScript">

 var brd = JXG.JSXGraph.initBoard('jxgbox', {originX: 300, originY: 300, unitX: 50, unitY: 50});
brd.suspendUpdate();
var S = brd.create('slider', [[-5,-6],[5,-6],[0,0.95,1]], {name:'S'});
var hue = brd.create('slider', [[-5,-7],[5,-7],[0,8,36]], {name:'color'});
var points = new Array();
points[0] = brd.create('point',[5, 5], {name:' '});
points[1] = brd.create('point',[-5, 5], {name:' '});
points[2] = brd.create('point',[-5, -5], {name:' '});
points[3] = brd.create('point',[5, -5], {name:' '});

function quadrangle(pt, n) {
var col;
var arr = new Array();
for(var i = 0; i < 4; i++) {
arr[i] = brd.create('point',
[function(t) {
return function () {var x = pt[t].X();
var x1 = pt[(t+1)%4].X();
var s = S.Value();
return x+(x1-x)*s;
}}(i),
function(t) {
return function () {var y = pt[t].Y();
var y1 = pt[(t+1)%4].Y();
var s = S.Value();
return y+(y1-y)*s;
}}(i)
],
{style:3, name:"",withLabel:false,visible:false});
}
col =  function(){return JXG.hsv2rgb(hue.Value()*n,0.7,0.9);};
brd.create('polygon',pt, {fillColor:col});
if(n>0)

</script>