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add weed

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This commit is contained in:
Justin Lin
2020-04-13 20:50:17 +08:00
parent e688f03ed0
commit 3775563e58
1 changed files with 14 additions and 3 deletions
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17
examples/lsystem_collection.scad
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@@ -1,7 +1,7 @@
use <experimental/lsystem2.scad>; use <experimental/lsystem2.scad>;
use <line2d.scad>; use <line2d.scad>;
for(line = penrose_snowflake()) { for(line = weed()) {
line2d( line2d(
line[0], line[0],
line[1], line[1],
@@ -271,8 +271,19 @@ function pentigree(n = 3, angle = 72, leng = 1, heading = 0, start = [0, 0]) =
function penrose_snowflake(n = 3, angle = 18, leng = 1, heading = 0, start = [0, 0]) = function penrose_snowflake(n = 3, angle = 18, leng = 1, heading = 0, start = [0, 0]) =
let( let(
rule = [ rule = [
["S", "F----F----F----F----F"], ["S", "F----F----F----F----F"],
["F", "F----F----F----------F++F----F"] ["F", "F----F----F----------F++F----F"]
]
)
lsystem2(rule, n, angle, leng, heading, start);
function weed(n = 6, angle = 22.5, leng = 1, heading = 0, start = [0, 0]) =
let(
rule = [
["S", "F"],
["F", "FF-[XY]+[XY]"],
["X", "+FY"],
["Y", "-FX"]
] ]
) )
lsystem2(rule, n, angle, leng, heading, start); lsystem2(rule, n, angle, leng, heading, start);