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ブックマーク / cubeman.org (1)

  • The Curve Archive

    Some curves I hacked up for X11... x = t * cos(t), y = t * sin(t) r = a * sin(t) / t x = (a+b) * cos(t) - b * cos((a/b +1) * t) y = (a+b) * sin(t) - b * sin((a/b +1) * t) r = a * 1/cos(4*t) a=.5 x = (a+b) * cos(t) - c * cos((a/b +1) * t) y = (a+b) * sin(t) - c * sin((a/b +1) * t) r = a * exp(b*t) a=1, b=.1 r = pow (t,a) a=.5 r = a * (1 + 2*sin(t/2)) r = sqrt( pow(a,2) * cos(2*t)) a=10 To get this

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