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29 lines
759 B
Plaintext
29 lines
759 B
Plaintext
## triangle alpha-beta-gamma, where alpha+beta+gamma = 360/k degrees
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##
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## You can change alpha (=360/k deg * a/3), beta (=360/k deg * b/3), and k using 'tessellation sliders' in the geometry experiments menu.
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##
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## Changing k reloads the map, while changing other parameters does not
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##
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## Note: the spherical version (k=1) is buggy
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##
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intslider(k,2,1,5)
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c2(2-k)
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angleunit(deg)
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slider(av,1,0,3)
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slider(bv,1,0,3)
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let(a = av*120/k)
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let(b = bv*120/k)
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let(c = (3-av-bv)*120/k)
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# note the 'if zero' conditional
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let(ea=test(ifz(k-2, sin(a*deg), edge_angles(a,b,c))))
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let(eb=test(ifz(k-2, sin(b*deg), edge_angles(b,c,a))))
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let(ec=test(ifz(k-2, sin(c*deg), edge_angles(c,a,b))))
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tile(ea, b, ec, a, eb, c)
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conway("(0)(1)(2)")
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cscale(.75)
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