class LSDrawer:
def __init__(self, draw_rules: Dict[str, str], _turtle: Turtle = None, start_pos = (-100, -100), speed = 10) -> None:
self.t = Turtle() if not _turtle else _turtle
self.draw_rules = draw_rules
self.t.speed(speed)
self.t.up()
self.t.setposition(start_pos)
self.t.down()
self.t.resizemode('auto')
self.t._tracer(0)
def draw(self, lsystem: str) -> None:
self.stack = []
for c in lsystem:
if c in self.draw_rules:
try:
eval(f'self.t.{self.draw_rules[c]}')
except:
print(f'Cant to do {self.draw_rules[c]}')
elif c == '[':
pos = self.t.pos()
ang = self.t.heading()
self.stack.append((pos, ang))
elif c == ']':
pos, ang = self.stack.pop()
self.t.up()
self.t.setpos(pos)
self.t.setheading(ang)
self.t.down()
else:
pass
self.t._update()
@staticmethod
def create_L_system(ls: str, n: int, ls_rules: Dict[str, str]) -> str:
for i in range(n):
rez = ''
for c in ls:
if c not in ls_rules:
rez += c
else:
rez += ls_rules[c]
ls = rez
return rez
