Interactive Tachyon 3D Ray Tracers 3

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@interact

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def _(a=[1,2,3,4],b=[2,3,1],

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      c=[3,2,1],d=[7,6,5,4]):

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    sx='x(t)=%s*sin(%s*t/2)*cos(%s*t/2)<br/>'

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    sy='y(t)=%s*cos(%s*t/3)*cos(%s*t/3)<br/>'

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    sz='z(t)=%s*sin(%s*t/2)*sin(%s*t/2)'

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    s='<p style="font-size:120%;">'

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    s+=sx%(a,c,c)+sy%(b,a,c)+sz%(c,a,a)+'</p>'

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    pretty_print(html(s))

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    f=lambda p:(a*sin(c*p/2)*cos(c*p/2),

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                b*cos(a*p/3)*cos(c*p/3),

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                c*sin(a*p/2)*sin(a*p/2))

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    t=Tachyon(xres=400,yres=400,camera_center=(-6,-6,2))

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    t.texture('t1',color=(0,0,.3),opacity=.5)

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    t.texture('t2',color=(.7,.7,.7),texfunc=2)

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    t.parametric_plot(f,0,6*pi,'t1',r=.05,min_depth=d)

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    t.plane((7,7,-7),(0,-1,1),'t2')

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    t.light((-7,-7,7),2,(1,1,1)); t.show()

Language: Sage Gap GP HTML Macaulay2 Maxima Octave Python R Singular

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