L-system

Structures

F(l,w,s,d) Line, l = length, w = width, s = row segment, d = column segment,

Angles

+,- right, left

&,^ up,down

/,\\ clockwise,counter-clockwise

~ random

T (gravity)

Parm to take over

" multiply length

! thickness

; angle

%

J K L

Internal Variable

g generation of current rule

i number of count of current process(every section will different number)

t generation

A arc length from the root

Random Length

Premise A

Ruse 1 A=F(rand(i))A