kopia lustrzana https://github.com/villares/sketch-a-day
61 wiersze
1.4 KiB
Python
61 wiersze
1.4 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 = map(mouseX, 0, width, 0, 1)
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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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def go():
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for i, li in enumerate(iniciais):
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x1, y1, x2, y2 = li
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a = atan2(x2 - x1, y1 - y2)
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v = PVector.fromAngle(a - HALF_PI) * 10
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iniciais[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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line(0, 0, 0, L)
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l = L / 10
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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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go()
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if key == "s":
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saveFrame("####.png")
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