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<html>
<head>
<title>JSXGraph example</title>
<link rel="stylesheet" type="text/css" href="../distrib/jsxgraph.css" />
<script type="text/javascript" src="../src/loadjsxgraph.js"></script>
</head>
<body>
<h2>HSV Color Scheme II</h2>
<div style="width:800px">
<div id="jxgbox" class="jxgbox" style="width:500px; height:500px; float:left"></div>
</div>
<div id="debug" style="display:block;"></div>
<script type="text/javascript">
/* <![CDATA[ */
var brd = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-4,4,4,-4]});
var H = brd.createElement('slider',[[-3,3.5],[2,3.5],[0,1,360]], {name:'H', glider:{fillColor:'black', strokeColor:'black'} });
var S = brd.createElement('slider',[[-3,3],[2,3],[0,1,1]], {name:'S', glider:{fillColor:'black', strokeColor:'black'} });
var V = brd.createElement('slider',[[-3,2.5],[2,2.5],[0,1,1]], {name:'V', glider:{fillColor:'black', strokeColor:'black'} });
var r1 = 2;
var r2 = 1/4.75;
var lambda = 8;
var phi = 0;
var c = brd.createElement('curve',
[
function(t){return r1*Math.sin(t)+r2*Math.sin(lambda*t+phi);},
function(t){return r1*Math.cos(t)+r2*Math.cos(lambda*t+phi)-0.5;},
0, 2*Math.PI
],
{
fillcolor:function(){ return JXG.hsv2rgb(H.Value(),S.Value(),V.Value()); },
highlightFillcolor:function(){ return JXG.hsv2rgb(H.Value(),S.Value(),V.Value()); },
strokeColor:'black',strokeWidth:3,
gradient:'radial',gradientSecondColor:'white'
});
var p = brd.createElement('point', [0,-0.5], {visible:false});
var ci = brd.createElement('circle',[p,1],
{fillcolor:function(){ return JXG.hsv2rgb(180+H.Value(),S.Value(),V.Value()); },
highlightFillcolor:function(){ return JXG.hsv2rgb(180+H.Value(),S.Value(),V.Value()); },
strokewidth:3,
strokeColor:'black', gradient:'linear',gradientsecondcolor:'white',gradientSecondOpacity:'0'
});
/* ]]> */
</script>
</body>
</html>
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