scale = 0.5
grammar.add_non_terminal('Scale', [
lambda turtle: turtle.scale(scale),
lambda turtle: turtle.scale_thickness(0.6),
])
grammar.add_non_terminal('Scale', [])
grammar.add_non_terminal('Tree', [
lambda turtle: turtle.store(),
'Forward Left',
'Scale',
'Tree',
lambda turtle: turtle.restore(),
lambda turtle: turtle.store(),
'Forward Right',
'Scale',
'Tree',
lambda turtle: turtle.restore(),
], 8)
grammar.add_non_terminal('Tree', [])
#for i in range(0, 5):
backend = SVGBackend()
turtle = ThickTurtle(backend)
turtle.thickness = 0.05
grammar.expand('Root', turtle, 20)
backend.write('flower3.svg')
from svg_backend import SVGBackend
from turtle import Turtle
from grammar import Grammar
backend = SVGBackend()
turtle = Turtle(backend)
grammar = Grammar()
grammar.add_non_terminal('RS', [
lambda turtle: turtle.forward(2),
lambda turtle: turtle.turn_right(89.9),
lambda turtle: turtle.scale(1.00001),
'RS'])
grammar.expand('RS', turtle, 300)
backend.write('rect_spiral.svg')
from svg_backend import SVGBackend
from turtle import Turtle
from grammar import Grammar
from turtle import ThickTurtle
from turtle import NarrowingTurtle
backend = SVGBackend()
turtle = Turtle(backend)
grammar = Grammar()
right_segment = [
lambda turtle: turtle.forward(0.1), lambda turtle: turtle.turn_right(5)
]
left_segment = [
lambda turtle: turtle.forward(0.1), lambda turtle: turtle.turn_left(5)
]
#grammar.add_non_terminal('Left', left_segment * 7)
#grammar.add_non_terminal('Left', left_segment * 10)
grammar.add_non_terminal('Left', left_segment * 13)
#grammar.add_non_terminal('Right', right_segment * 7)
#grammar.add_non_terminal('Right', right_segment * 10)
grammar.add_non_terminal('Right', right_segment * 13)
scale = 0.5
grammar.add_non_terminal('Tree', [
lambda turtle: turtle.store(),
'Left',
from svg_backend import SVGBackend
from turtle import Turtle
from grammar import Grammar
backend = SVGBackend()
turtle = Turtle(backend)
turtle.turn_right(180.0)
grammar = Grammar()
grammar.add_non_terminal('S', [
lambda turtle: turtle.forward(), lambda turtle: turtle.turn_right(5),
lambda turtle: turtle.scale(0.99), 'S'
])
grammar.expand('S', turtle, 500)
backend.write('spiral.svg')