# Difference between revisions of "Circular arc approximation by cubic Bezier curve"

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Jump to navigationJump to searchA WASSERMANN (talk | contribs) |
A WASSERMANN (talk | contribs) |
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var M = brd.create('point', [0,0], {name:'M'}); | var M = brd.create('point', [0,0], {name:'M'}); | ||

var C = brd.create('point', [0,-1], {name:'D'}); | var C = brd.create('point', [0,-1], {name:'D'}); | ||

− | var c = brd.create('circle', [M, | + | var c = brd.create('circle', [M,C], {strokeWidth:1}); |

var A = brd.create('glider', [1,0,c], {name:'A'}); | var A = brd.create('glider', [1,0,c], {name:'A'}); | ||

var B = brd.create('glider', [0,1,c], {name:'B'}); | var B = brd.create('glider', [0,1,c], {name:'B'}); | ||

Line 16: | Line 16: | ||

r = M.Dist(A); | r = M.Dist(A); | ||

d = Math.sqrt((ax+bx)*(ax+bx) + (ay+by)*(ay+by)); | d = Math.sqrt((ax+bx)*(ax+bx) + (ay+by)*(ay+by)); | ||

− | + | ||

if (Math.abs(by-ay)>JXG.Math.eps) { | if (Math.abs(by-ay)>JXG.Math.eps) { | ||

return (ax+bx)*(r/d-0.5)*8.0/3.0/(by-ay); | return (ax+bx)*(r/d-0.5)*8.0/3.0/(by-ay); |