kopia lustrzana https://github.com/villares/sketch-a-day
99 wiersze
2.4 KiB
Python
99 wiersze
2.4 KiB
Python
# Baseado no L-System apresentado pela Tatasz na
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# Noite de Processing
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iterations = 5
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# axiom = "F"
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axiom = "HGF"
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sentence = axiom
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stroke_len = 200
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rules = (
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# ("F", "F-F++F-F"),
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("F", "[+F]-F"),
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("G", "[HG]HGF"),
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("H", "F[-GH]+GH")
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,)
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a = 45
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def setup():
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size(700, 700)
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strokeWeight(1)
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noFill()
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generate(iterations)
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def draw():
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global a
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background(220, 220, 200)
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translate(width / 2, height / 3)
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global a
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angle = radians(a)
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plot(angle)
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# if a <= 180:
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# saveFrame("sketch###.png")
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# print a
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# a += 2.5
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def generate(n):
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global stroke_len, sentence
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for c in range(n):
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stroke_len *= 0.5
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nextSentence = ""
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for c in sentence:
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found = False
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for c_a, c_b in rules:
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if c == c_a:
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found = True
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nextSentence += c_b
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break
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if not found:
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nextSentence += c
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sentence = nextSentence
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def plot(angle):
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for c in sentence:
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if c == "F":
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stroke(200, 0, 0)
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rect(0, 0, stroke_len/2, -stroke_len)
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translate(0, -stroke_len)
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# ellipse(0, 0, 10, 10)
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elif c == "G":
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stroke(0, 0, 200)
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rect(0, 0, stroke_len/2, -stroke_len)
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translate(0, -stroke_len)
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elif c == "H":
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stroke(0, 200, 0)
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rect(0, 0, stroke_len/2, -stroke_len)
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translate(0, -stroke_len)
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elif c == "+":
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rotate(angle)
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elif c == "-":
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rotate(-angle)
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elif c == "[":
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pushMatrix()
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elif c == "]":
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popMatrix()
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def keyPressed():
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global a
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if keyCode == LEFT:
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a -= 5
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if keyCode == RIGHT:
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a += 5
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if key == 's':
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saveFrame("####.png")
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def settings():
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""" print markdown to add at the sketch-a-day page"""
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from os import path
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global SKETCH_NAME, OUTPUT
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SKETCH_NAME = path.basename(sketchPath())
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OUTPUT = ".png"
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println(
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"""
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[{0}](https://github.com/villares/sketch-a-day/tree/master/{2}/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
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""".format(SKETCH_NAME, OUTPUT, year())
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)
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