Vijfde programma: natuurlijke boom

startshape boom

shape boom

rule 20 {

   SQUARE []

   boom [s .99 r 2 y .995]

}

rule 8 {

   SQUARE []

   boom [s .99 r 2 y .995 flip 90 ]

}

rule 2 {

   SQUARE []

   boom [[s .5 r 10 y .995 b .07 z -.07]]

   boom [s .99 y .995 flip 90]

   boom [[s .5 flip 90 r 10 y .995 b .07 z -.07]]

}

rule 3 {

   SQUARE []

   boom [[s .8 r 10 y .995 b .01 z -.01]]

   boom [[s .8 flip 90 r 10 y .995 b .01 z -.01]]

}