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')
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', lambda turtle: turtle.scale(scale), 'Tree', lambda turtle: turtle.restore(), 'Right', lambda turtle: turtle.scale(scale), 'Tree', ]) grammar.expand('Tree', turtle, 15) backend.write('tree.svg')
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')