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examples:
koch snowflake
,
hilbert curve
,
spiral
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link to it
html:
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clear penwidth 7 lt 135 pu fw 340 rt 135 pd repeat 4 [ fw 480 rt 90 ] pu make "rot random 255 make "gruen random 255 make "blau random 255 color (:rot :gruen :blau) rt 45 fw 20 pd rt 45 fw 450 repeat 3 [ lt 90 fw 450 ] pu lt 135 fw 20 pd rt 45 fw 420 repeat 4 [ lt 90 fw 420 ] pu lt 135 fw 20 pd rt 45 fw 390 repeat 4 [ lt 90 fw 390 ] pu lt 135 fw 20 pd rt 45 fw 360 repeat 4 [ lt 90 fw 360 ] pu lt 135 fw 20 pd rt 45 fw 330 repeat 4 [ lt 90 fw 330 ] pu lt 135 fw 20 pd rt 45 fw 300 repeat 4 [ lt 90 fw 300 ] pu lt 135 fw 20 pd rt 45 fw 270 repeat 4 [ lt 90 fw 270 ] pu lt 135 fw 20 pd rt 45 fw 240 repeat 4 [ lt 90 fw 240 ] pu lt 135 fw 20 pd rt 45 fw 210 repeat 4 [ lt 90 fw 210 ] pu lt 135 fw 20 pd rt 45 fw 180 repeat 4 [ lt 90 fw 180 ] pu lt 135 fw 20 pd rt 45 fw 150 repeat 4 [ lt 90 fw 150 ] pu lt 135 fw 20 pd rt 45 fw 120 repeat 4 [ lt 90 fw 120 ] pu lt 135 fw 20 pd rt 45 fw 90 repeat 4 [ lt 90 fw 90 ] pu lt 135 fw 20 pd rt 45 fw 60 repeat 4 [ lt 90 fw 60 ] pu lt 135 fw 20 pd rt 45 fw 30 repeat 4 [ lt 90 fw 30 ]
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