kopia lustrzana https://github.com/villares/sketch-a-day
107 wiersze
3.3 KiB
Python
107 wiersze
3.3 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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"""
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More explorations of inerpolated combinations in grids
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- Number of possible bars on a 2x2 grid: 12
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- Number of 3-bar combinations: 220
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- Cols: 20 Rows: 11
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- Interpolating 2 intermediares each bar pair
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"""
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from random import shuffle
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from itertools import product, combinations, permutations, combinations_with_replacement
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from var_bar import var_bar
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space, border = 55, 0
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position = 0 # initial position
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def setup():
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global bar_combos, W, H, position, num
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size(1122, 628)
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frameRate(1)
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rectMode(CENTER)
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strokeWeight(2)
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grid = product(range(-1, 1), repeat=2) # 2X2
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# all line combinations on a grid
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bars = permutations(grid, 2)
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# allow only some bars
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possible_bars = []
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for l in bars:
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(x0, y0), (x1, y1) = l[0], l[1]
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if dist(x0, y0, x1, y1) < 2: # rule defined here...
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possible_bars.append(l)
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num_possible_bars = len(possible_bars)
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println("Number of possible bars on a 2x2 grid: {}".format(num_possible_bars))
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# main stuff
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n_bars = 3
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bar_combos = list(combinations(possible_bars, n_bars))
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# shuffle(bar_combos) # ucomment to shuffle!
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num = len(bar_combos)
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println("Number of {}-bar combinations: {}".format(n_bars, num))
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W = (width - border * 2) // space
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H = (height - border * 2) // space
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println("Cols: {} Rows: {} Visible grid: {}".format(W, H, W * H))
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def draw():
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global position
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background(240)
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i = position
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for y in range(H):
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for x in range(W):
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if i < len(bar_combos):
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pushMatrix()
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# B option
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# translate(border / 2 + space + space * x,
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# border / 2 + space + space * y)
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translate(border + space + space * x,
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border + space + space * y)
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draw_combo(i)
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popMatrix()
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i += 1
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if i < len(bar_combos):
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# gif_export(GifMaker, SKETCH_NAME)
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# gif_export(GifMaker, SKETCH_NAME[:-1] + "b") # B option
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position += H * W
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def draw_combo(n):
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colorMode(HSB)
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blendMode(MULTIPLY)
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noStroke()
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siz = space / 2. # B option
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bar_combo = bar_combos[n]
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combo_len = len(bar_combo)
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for i, single_line in enumerate(bar_combo):
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ni = (i + 1) % combo_len
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next_line = bar_combo[ni]
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for j in range(4):
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c = lerpColor(color(i * 64, 128, 128), color(ni * 64, 128, 128), j)
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fill(c)
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(x0, y0), (x1, y1) = lerp_poly(single_line, next_line, j / 3.)
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var_bar(x0 * siz, y0 * siz, x1 * siz, y1 * siz, siz / 16, siz / 8)
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def keyPressed():
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global W, H
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if key == "s":
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saveFrame("####.png")
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def lerp_poly(p0, p1, t):
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pts = []
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for sp0, sp1 in zip(p0, p1):
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pts.append((lerp(sp0[0], sp1[0], t),
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lerp(sp0[1], sp1[1], t)))
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return pts
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def settings():
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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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