kopia lustrzana https://github.com/villares/sketch-a-day
99 wiersze
2.5 KiB
Plaintext
99 wiersze
2.5 KiB
Plaintext
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# inspired by https://twitter.com/takawo/status/1164723663200870401
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# add_library('peasycam')
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from random import randint as ri
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from random import seed
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from arcs import *
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a = 516
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s = 1
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def setup():
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size(a, a)
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colorMode(HSB)
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strokeWeight(1.5)
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# cam = PeasyCam(this, 500)
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def draw():
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background(0)
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# translate(-width/ 2, -height / 2)
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randomSeed(s)
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seed(s)
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t(a // 10, a // 10, a - a // 10 * 2)
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def t(x, y, w):
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s = w // ri(2, 3)
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noFill()
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stroke(s * 5, 255, 255)
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for i in range(x, x + w - 1, s):
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for j in range(y, y + w - 1, s):
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if random(1) < .85 and w > 90:
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# translate(0, 0, i / 32 - j / 32)
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t(i, j, s)
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elif random(1) < .5:
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l(i, j, i + s, j + s, s // 2)
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else:
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l(i, j + s, i + s, j, s // 2)
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def l(x1, y1, x2, y2, s):
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var_bar(x1, y1, x2, y2, s/2, s/4)
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# rectMode(CENTER)
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# circle(x1, y1, s)
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# circle(x2, y2, s)
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# rectMode(CORNER)
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def keyPressed():
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global s
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if key == ' ':
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redraw()
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s += 1
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if key == 's': saveFrame("#####.png")
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def var_bar(p1x, p1y, p2x, p2y, r1, r2=None):
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"""
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Tangent/tangent shape on 2 circles of arbitrary radius
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"""
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if r2 is None:
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r2 = r1
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#line(p1x, p1y, p2x, p2y)
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d = dist(p1x, p1y, p2x, p2y)
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ri = r1 - r2
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if d > abs(ri):
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rid = (r1 - r2) / d
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if rid > 1:
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rid = 1
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if rid < -1:
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rid = -1
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beta = asin(rid) + HALF_PI
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with pushMatrix():
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translate(p1x, p1y)
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angle = atan2(p1x - p2x, p2y - p1y)
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rotate(angle + HALF_PI)
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x1 = cos(beta) * r1
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y1 = sin(beta) * r1
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x2 = cos(beta) * r2
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y2 = sin(beta) * r2
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#print((d, beta, ri, x1, y1, x2, y2))
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beginShape()
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b_arc(0, 0, r1 * 2, r1 * 2,
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-beta - PI, beta - PI, mode=2)
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b_arc(d, 0, r2 * 2, r2 * 2,
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beta - PI, PI - beta, mode=2)
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endShape(CLOSE)
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def settings():
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""" print markdown to add at the sketc-a-day page"""
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from os import path
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global SKETCH_NAME
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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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