Circle approximation: Difference between revisions
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<jsxgraph width="600" height="600" box="box"> | <jsxgraph width="600" height="600" box="box"> | ||
var brd = JXG.JSXGraph.initBoard('box', {axis:true, originX: 300, originY: 300, grid:true, unitX: 50, unitY: 50}); | var brd = JXG.JSXGraph.initBoard('box', {axis:true, originX: 300, originY: 300, grid:true, unitX: 50, unitY: 50}); | ||
var n = brd.createElement('slider',[[0, | var n = brd.createElement('slider',[[0,5.7],[3,5.7],[3,4,20]],{name:'n',snapWidth:1}); | ||
var p0 = brd.createElement('point',[0,0]); | var p0 = brd.createElement('point',[0,0]); | ||
var p1 = brd.createElement('point',[ | var p1 = brd.createElement('point',[4,0]); | ||
var circ = brd.createElement('circle',[p0,p1]); | var circ = brd.createElement('circle',[p0,p1]); | ||
var rot = brd.createElement('transform', [function() {return Math.PI*2.0/n.Value();},p0], {type:'rotate'}); // angle, rotation center | var rot = brd.createElement('transform', [function() {return Math.PI*2.0/n.Value();},p0], {type:'rotate'}); // angle, rotation center | ||
