kopia lustrzana https://github.com/EmbroidePy/pyembroidery
Delete test_fractals.py
rodzic
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import pyembroidery.EmbPattern as EmbPattern
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from pyembroidery.EmbConstant import *
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import math
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def evaluate_lsystem(symbol, rules, depth):
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if depth <= 0 or symbol not in rules:
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symbol()
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else:
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for produced_symbol in rules[symbol]:
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evaluate_lsystem(produced_symbol, rules, depth - 1)
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class Turtle:
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def __init__(self, pattern):
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self.pattern = pattern
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self.angle = 0
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self.x = 0
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self.y = 0
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import math
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self.turn_amount = math.pi / 3
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def forward(self, distance):
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self.x += distance * math.cos(self.angle)
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self.y += distance * math.sin(self.angle)
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self.pattern.add_stitch_absolute(STITCH, self.x, self.y)
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# self.pattern.add_stitch_absolute(SEQUIN_EJECT, self.x, self.y)
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def turn(self, angle):
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self.angle += angle
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def move(self, distance):
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self.x += distance * math.cos(self.angle)
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self.y += distance * math.sin(self.angle)
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def add_gosper(self):
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a = lambda: self.forward(20)
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b = lambda: self.forward(20)
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l = lambda: self.turn(self.turn_amount)
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r = lambda: self.turn(-self.turn_amount)
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initial = lambda: None
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rules = {
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initial: [a],
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a: [a, l, b, l, l, b, r, a, r, r, a, a, r, b, l],
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b: [r, a, l, b, b, l, l, b, l, a, r, r, a, r, b]
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}
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evaluate_lsystem(initial, rules, 3) # 4
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def add_serp(self):
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a = lambda: self.forward(20)
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b = lambda: self.forward(20)
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l = lambda: self.turn(self.turn_amount)
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r = lambda: self.turn(-self.turn_amount)
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initial = lambda: None
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rules = {
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initial: [a],
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a: [b, l, a, l, b],
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b: [a, r, b, r, a]
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}
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evaluate_lsystem(initial, rules, 3) # 6
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def generate(pattern):
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turtle = Turtle(pattern);
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turtle.add_gosper()
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pattern.add_command(COLOR_BREAK)
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turtle.move(500)
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turtle.add_serp()
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pattern.add_command(SEQUENCE_BREAK)
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pattern.add_command(STOP)
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turtle.move(50)
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turtle.add_serp()
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pattern.add_command(SEQUENCE_BREAK)
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turtle.turn(-math.pi / 3)
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turtle.move(500)
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turtle.add_serp()
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pattern.add_command(COLOR_BREAK)
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turtle.turn(-math.pi / 3)
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turtle.move(500) # 260, -450
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turtle.add_gosper()
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pattern.add_command(END)
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