kopia lustrzana https://github.com/villares/sketch-a-day
84 wiersze
2.1 KiB
Plaintext
84 wiersze
2.1 KiB
Plaintext
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"""
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sketch 51 180220 - Alexandre B A Villares
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https://abav.lugaralgum.com/sketch-a-day
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"""
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import random as rnd
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LISTA = []
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MARGIN = 100
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CEL_SIZE = 100
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HALF_CEL = CEL_SIZE / 2
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pontos = []
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def setup():
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size(712, 712)
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h, w = height - 2 * MARGIN, width - 2 * MARGIN
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noFill()
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n_rows, n_cols = int(h / CEL_SIZE), int(w / CEL_SIZE)
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for r in range(n_rows):
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for c in range(n_cols):
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x, y = HALF_CEL + c * CEL_SIZE,\
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HALF_CEL + r * CEL_SIZE
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pontos.append((x + MARGIN, y + MARGIN)) # acrescenta um Ponto
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nova_lista()
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println("'s' to save, and 'n' for a new drawing")
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def nova_lista():
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LISTA[:] = []
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for _ in range(30):
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x, y = rnd.choice(pontos)
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LISTA.append((
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x, # x
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y, # y
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rnd.choice([10, 20, 30]), # size
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rnd.choice([2, 4, 6]), # strokeWeight
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rnd.choice([True, False]), # arrow
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list() # other nodes
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))
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for node in LISTA:
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rnd_node = rnd.choice(LISTA)
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x1, y1, x2, y2 = node[0], node[1], rnd_node[0], rnd_node[1]
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if (x1, y1) != (x2, y2):
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node[-1].append(rnd_node)
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def seta(x1, y1, x2, y2, shorter=12, head=12):
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""" draws an arrow """
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L = dist(x1, y1, x2, y2)
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with pushMatrix():
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translate(x2, y2)
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angle = atan2(x1 - x2, y2 - y1)
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rotate(angle)
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offset = -shorter * .6
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line(0, offset, 0, -L - offset)
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line(0, offset, -head / 3, -head + offset)
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line(0, offset, head / 3, -head + offset)
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def draw():
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background(200)
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for x, y, s, w, arrow, sub_lista in LISTA:
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strokeWeight(w)
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for n in sub_lista:
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if not arrow:
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stroke(255) # (200,50,50)
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line(x, y, n[0], n[1])
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ellipse(x, y, s, s)
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for x, y, s, w, arrow, sub_lista in LISTA:
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strokeWeight(w)
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for n in sub_lista:
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if arrow:
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stroke(0)
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seta(x, y, n[0], n[1], s, w * 5)
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ellipse(x, y, s, s)
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def keyPressed():
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if key == 's':
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saveFrame("####.png")
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if key == 'n':
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nova_lista()
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