L-system tree examples

This wiki page is a collection of example L-system trees. The intention is to help newbies better understand L-system trees, but also to provide usable tree definitions which could be used in mods.

If you wish to add a tree, please use the template at /Template and insert the filled-out template into this wiki page. Don't forget to upload a screenshot as well.

Apple tree

Profile

• Subgame used: Minetest
• Additional mods used: none

Definition

treedef = {
	axiom = {{{axiom}}},
	rules_a = {{{rules_a}}},
	rules_b = {{{rules_b}}},
	rules_c = {{{rules_c}}},
	rules_d = {{{rules_d}}},
	trunk = {{{trunk}}},
	leaves = {{{leaves}}},
	angle = {{{angle}}},
	iterations = {{{iterations}}},
	random_level = {{{random_level|0}}},
	trunk_type = {{{random_level|"single"}}},
	thin_branches = {{{thin_branches|true}}},
	fruit_chance = {{{fruit_chance}}},
	fruit = {{{fruit}}}
}

Screenshot

Acacia

Profile

• Subgame used: Minetest
• Additional mods:

• More Trees [moretrees]

Definition

treedef={
   axiom="FFFFFFccccA",
   rules_a = "[B]//[B]//[B]//[B]",
   rules_b = "&TTTT&TT^^G&&----GGGGGG++GGG++"   -- line up with the "canvas" edge
         .."fffffffGG++G++"               -- first layer, drawn in a zig-zag raster pattern
         .."Gffffffff--G--"
         .."ffffffffG++G++"
         .."fffffffff--G--"
         .."fffffffff++G++"
         .."fffffffff--G--"
         .."ffffffffG++G++"
         .."Gffffffff--G--"
         .."fffffffGG"
         .."^^G&&----GGGGGGG++GGGGGG++"      -- re-align to second layer canvas edge
         .."ffffGGG++G++"               -- second layer
         .."GGfffff--G--"
         .."ffffffG++G++"
         .."fffffff--G--"
         .."ffffffG++G++"
         .."GGfffff--G--"
         .."ffffGGG",
   rules_c = "/",
   trunk="moretrees:acacia_trunk",
   leaves="moretrees:acacia_leaves",
   angle=45,
   iterations=3,
   random_level=0,
   trunk_type="single",
   thin_branches=true,
}