40 lines
1.3 KiB
Scheme
40 lines
1.3 KiB
Scheme
(define (build-ngon n)
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(let ((p (build-polygons n 'polygon)))
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(with-primitive p
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(pdata-index-map!
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(lambda (i p)
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(let ((a (* (/ i n) (* 2 3.141))))
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(vector (cos a) (sin a) 0)))
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"p")
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(pdata-map!
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(lambda (t p)
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(vsub (vmul p 0.5) (vector 0.5 0.5 0)))
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"t" "p"))
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p))
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(define (binarify n)
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(pdata-index-map!
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(lambda (i p)
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(let ((c (arithmetic-shift 1 (inexact->exact i))))
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(when (not (zero? (bitwise-and (inexact->exact n) c)))
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(let ((pos (vtransform (vmul (vadd p (pdata-ref "p" (+ i 1))) 0.5) (get-transform))))
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(with-state
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(hint-none)
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(hint-wire)
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(translate pos)
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(scale 0.1)
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(build-ngon 10))))
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p))
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"p"))
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(clear)
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(for ((i (in-range 0 64)))
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(with-primitive (with-state
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(translate (vmul (vector (modulo i 8) (quotient i 8) 0) 2))
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(hint-none)
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(hint-wire)
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(hint-unlit)
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(build-ngon 6))
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(binarify i)))
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