Multiple logarithmic spirals: Difference between revisions
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var b = board.createElement('slider', [[1,-2],[5,-2],[0,0.15,1]], {name:'b'}); | var b = board.createElement('slider', [[1,-2],[5,-2],[0,0.15,1]], {name:'b'}); | ||
for (var i=0;i<8;i++) { | for (var i=0;i<8;i++) { | ||
(function(x) { return board.createElement('curve', [function(phi){return a.Value()*Math.exp(b.Value()*(phi+Math.PI*x*0.25)); }, [0, 0], - | (function(x) { return board.createElement('curve', [function(phi){return a.Value()*Math.exp(b.Value()*(phi+Math.PI*x*0.25)); }, [0, 0], -4*Math.PI, 8*Math.PI], | ||
{curveType:'polar', strokewidth:4}); | {curveType:'polar', strokewidth:4}); | ||
})(i); | })(i); | ||
