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| View Original: | Dragon curve.png (681x681) | |||
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| Keywords: Dragon curve.png Spacefilling combination of four dragon curves Created with Python and http //www rg16 asn-wien ac at/~python/xturtle/ xturtle graphics module Own 5 11 2006 Stefan Lew This image is public domain You may use this image for any purpose including commercial Source code <source lang python > Dragon curve from xturtle import def fold direction if direction 0 p right 90 else p left 90 def next kette kette append 1 laenge len kette for i in range 0 laenge-1 kette append kettei if kettelaenge-1+laenge/2 0 kettelaenge-1+laenge/2 1; else kettelaenge-1+laenge/2 0; return kette def zeichne kette p tracer 100 p hideturtle for i in kette p forward 2 fold i p forward 2 p update def find_iteration n kette 1 for i in range 1 n kette next kette return kette def set_back p penup p goto 0 0 p pendown it 15 p Pen zeichne find_iteration it set_back p color 'red' zeichne find_iteration it set_back p color 'blue' zeichne find_iteration it set_back p color 'green' zeichne find_iteration it raw_input </source> Dragon curves | ||||
