kopia lustrzana https://github.com/villares/sketch-a-day
92 wiersze
2.7 KiB
Python
92 wiersze
2.7 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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SKETCH_NAME = "s335" # 20181129
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OUTPUT = ".png"
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NUM = 5
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BORDER = 50
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#add_library('pdf')
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# add_library('gifAnimation')
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# from gif_exporter import gif_export
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def setup():
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size(500, 500)
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init_points(NUM, BORDER)
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#print edges(points)
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#beginRecord(PDF, SKETCH_NAME + ".pdf")
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def draw():
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background(200)
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noFill()
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for points in p_lists:
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for pair in edges(points):
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l = Line(*pair)
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l.plot()
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# noFill()
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# for p in points:
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# pass
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# #ellipse(p.x, p.y, 7, 7)
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def keyPressed():
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if key == "n" or key == CODED:
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init_points(NUM, BORDER)
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background(200)
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#saveFrame("###.png")
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if key == "s": saveFrame(SKETCH_NAME + ".png")
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if key == "z":
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new_points = []
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print len(p_lists[-1])
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for pair in edges(p_lists[-1]):
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p = PVector.lerp(pair[0], pair[1], random(0, 1))
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new_points.append(pair[0] + PVector.random2D().mult(10))
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new_points.append(p) # + PVector.random2D().mult(5))
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#new_points.append(pair[1] + PVector.random2D().mult(50))
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# l = Line(*pair)
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# l.plot()
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p_lists.append(new_points)
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def init_points(grid_size, border=0):
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global p_lists
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p_lists = []
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#points = create_points(grid_size, border)
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points = [PVector(random(border, width - border),
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random(border, height - border))
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for _ in range(grid_size)]
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p_lists.append(points)
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class Line():
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""" I should change this to a named tuple... """
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def __init__(self, p1, p2):
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self.p1 = p1
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self.p2 = p2
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def plot(self):
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line(self.p1.x, self.p1.y, self.p2.x, self.p2.y)
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def lerp(self, other, t):
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p1 = PVector.lerp(self.p1, other.p1, t)
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p2 = PVector.lerp(self.p2, other.p2, t)
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return Line(p1, p2)
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def edges(poly_points):
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return pairwise(poly_points) + [(poly_points[-1], poly_points[0])]
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def pairwise(iterable):
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import itertools
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"s -> (s0,s1), (s1,s2), (s2, s3), ..."
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a, b = itertools.tee(iterable)
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next(b, None)
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return zip(a, b)
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# print text to add to the project's README.md
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def settings():
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println(
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"""
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{1}: [code](https://github.com/villares/sketch-a-day/tree/master/{0}) [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
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""".format(SKETCH_NAME, SKETCH_NAME[1:], OUTPUT)
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)
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