def interpret_Lsytem2(path, forward=7, angle=60, filename=''):
# goes through the path and draws
turtle = Turtle(filename)
turtle.left(90)
states = []
instr = { 'A' : ['forward', forward],
'F' : ['forward', forward],
'B' : ['forward', forward],
'x' : ['forward', 0],
'y' : ['forward', 0],
'-' : ['left', angle],
'+' : ['right', angle]}
for step in path:
if step == '[':
states.append(turtle.serialize())
elif step == ']':
#state = states.pop()
turtle.deserialize(states.pop())
else:
getattr(turtle, instr[step][0])( instr[step][1])
if filename:
turtle.save()
return
def interpret_Lsytem(path, forward=7, angle=60, filename='', ignore = None):
"""
@param turtle The turtle to guide
@param dist Distance to be made with each 'forward'
@param angle Angle for 'left' and 'right'
"""
turtle = Turtle(filename)
turtle.left(180)
if ignore == None: ignore = []
stack = []
for c in path:
if c == '+':
turtle.right(angle)
elif c == '-':
turtle.left(angle)
elif c == '[':
stack.append(turtle.serialize())
elif c == ']':
turtle.deserialize(stack.pop())
elif c not in ignore:
turtle.forward(forward)
if filename:
turtle.save()
return
def polycircle(n=12):
t = Turtle('polycircle')
for x in xrange(n):
t.polygon(n, 20)
t.left(360/n)
t.save()
def triangles(side=100, step=20, n=10):
t = Turtle('triangles')
d = 300
for i in xrange(n):
side += (3*step)
t.polygon(3, side)
t.right(120)
t.pen_up()
t.forward(step)
t.left(120)
t.back(step)
t.pen_down()
t.save()
def squares(max_levels = 15):
t = Turtle('squares')
d = 300
for i in range(max_levels):
for i in range(4):
t.forward(d)
t.right(90)
t.forward(d/4)
t.right(90/5)
d = sqrt((d/4)**2 + (d - d/4)**2)
t.save()
from Turtle import Turtle
import math
turtle = Turtle('kvet')
def step(dist, depth):
if depth == 0: return
turtle.forward(dist)
turtle.left(45)
step(2 * dist // 3, depth - 1)
turtle.right(90)
step(2 * dist // 3, depth - 1)
turtle.left(45)
turtle.pen_up()
turtle.back(dist)
turtle.pen_down()
turtle.left(180)
step(100, 7)
turtle.save()
from Turtle import Turtle
turtl = Turtle('c_hilbert')
def step(angle=90, dist=10, level=5):
if level == 0:
return
turtl.right(angle)
step(-angle, dist, level - 1)
turtl.forward(dist)
turtl.left(angle)
step(angle, dist, level - 1)
turtl.forward(dist)
step(angle, dist, level - 1)
turtl.left(angle)
turtl.forward(dist)
step(-angle, dist, level - 1)
turtl.right(angle)
step(90, 15, 5)
turtl.save()
from Turtle import Turtle
turtl = Turtle('c_hilbert')
def step(angle = 90, dist = 10, level = 5):
if level == 0:
return
turtl.right(angle)
step(-angle, dist, level - 1)
turtl.forward(dist)
turtl.left(angle)
step(angle, dist, level - 1)
turtl.forward(dist)
step(angle, dist, level - 1)
turtl.left(angle)
turtl.forward(dist)
step(-angle, dist, level - 1)
turtl.right(angle)
step(90,15, 5)
turtl.save()
from Turtle import Turtle
import math
turtle = Turtle('kvet')
def step(dist, depth):
if depth == 0: return
turtle.forward(dist)
turtle.left(45)
step(2*dist//3, depth - 1)
turtle.right(90)
step(2*dist//3, depth - 1)
turtle.left(45)
turtle.pen_up()
turtle.back(dist)
turtle.pen_down()
turtle.left(180)
step(100, 7)
turtle.save()
