A golden rectangle can be drawn with a one line cfdg. I added a couple more lines to make it look cool:
Code: Select all
startshape seed
rule seed {
golden_rectangle {b 0.2}
}
rule golden_rectangle {
SQUARE {}
circle_well {b -0.1}
golden_rectangle {x 0.809107 y -0.190983 s 0.618039887 r 90 b 0.1}
}
rule circle_well {
CIRCLE {}
circle_well {b -0.01 s 0.99}
}