kopia lustrzana https://github.com/villares/sketch-a-day
67 wiersze
1.5 KiB
Python
67 wiersze
1.5 KiB
Python
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def setup():
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size(500, 500)
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strokeWeight(3)
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setup_sorteio()
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def setup_sorteio():
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global iniciais, finais
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iniciais = sorteia_linhas(10)
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finais = sorteia_linhas(10)
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def sorteia_linhas(num):
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linhas = []
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for _ in range(num):
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margem = 50
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x1 = random(margem, width - margem)
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y1 = random(margem, height - margem)
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x2 = random(margem, width - margem)
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y2 = random(margem, height - margem)
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linha = (x1, y1, x2, y2)
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linhas.append(linha)
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return linhas
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def draw():
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background(255)
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t = 1 + sin(frameCount / 100.)
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for li, lf in zip(iniciais, finais):
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l = [lerp(a, b, t) for a, b in zip(li, lf)]
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seta(*l)
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move(iniciais)
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move(finais)
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def move(l):
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for i, li in enumerate(l):
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x1, y1, x2, y2 = li
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a = atan2(x2 - x1, y1 - y2)
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d = dist(x2, y2, width/2, height/2)
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if d > width:
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step = -width
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else:
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step = 1
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v = PVector.fromAngle(a - HALF_PI) * step
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l[i] = (x1 + v.x, y1 + v.y,
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x2 + v.x, y2 + v.y)
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def seta(x1, y1, x2, y2):
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L = dist(x1, y1, x2, y2)
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angle = atan2(x1 - x2, y2 - y1)
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pushMatrix()
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translate(x1, y1)
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rotate(angle)
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l = L / 10.
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strokeWeight(1 + l / 5.)
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line(0, 0, 0, L)
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line(0, L, 0 - l, L - l)
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line(0, L, 0 + l, L - l)
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popMatrix()
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def keyPressed():
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if key == " ":
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setup_sorteio()
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if keyCode == UP:
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move(iniciais)
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move(finais)
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if key == "s":
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saveFrame("####.png")
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