kopia lustrzana https://github.com/villares/sketch-a-day
114 wiersze
3.4 KiB
Python
114 wiersze
3.4 KiB
Python
# Alexandre B A Villares - https://abav.lugaralgum.com/sketch-a-day
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SKETCH_NAME = "s116" # 180426
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add_library('serial') # import processing.serial.*;
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add_library('arduino') # import cc.arduino.*;
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add_library('gifAnimation')
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from gif_exporter import *
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from inputs import *
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ELEMENTS = []
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GIF_EXPORT = False
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def setup():
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global input
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size(600, 600)
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noFill() # sem preenchimento
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frameRate(30)
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strokeWeight(3)
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colorMode(HSB)
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# Ask user for Arduino port, uses slider if none is selected`
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input = Input(Arduino, slider_pins=[1, 2, 3, 4])
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def draw():
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background(0)
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grid_elem = int(input.analog(1) / 16) # 0 a 63 linhas e colunas na grade
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elem_size = int(input.analog(2) / 16) # 0 a 63 tamanho base dos quadrados
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rand_size = int(input.analog(3) / 16) # escala a randomização do tamanho
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rand_posi = int(input.analog(4) / 16) # escala a randomização da posição
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# trava a random entre os ciclos de draw
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# mas varia com o número de colunas na grade
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randomSeed(int(input.analog(1)) / 4)
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# espaçamento entre os elementos
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spac_size = width / (grid_elem + 1)
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v = spac_size * 1.5
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h = spac_size * sqrt(3)
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for ix in range(-1, grid_elem + 1):
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for iy in range(-1, grid_elem + 1):
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if iy % 2:
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x = ix * h + h / 4
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else:
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x = ix * h - h / 4
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if ix % 2:
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es = elem_size
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else:
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es = -elem_size
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y = iy * v
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for i in range(2):
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final_size = es * (i + 0.5)
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C = color(map(final_size, -100, 100, 0, 255),
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255, 255, 100)
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oX = rand_posi * random(-1, 1)
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oY = rand_posi * random(-1, 1)
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ELEMENTS.append((C, x + oX, y + oY, final_size))
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# three layers of elements
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for e0, e1 in zip(ELEMENTS[0::2], ELEMENTS[1::2]):
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st0, x0, y0, es0 = e0
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st1, x1, y1, es1 = e1
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fs0 = es0 + rand_size * random(-1, 1)
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fs1 = es1 + rand_size * random(-1, 1)
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for i in range(5):
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x, y = lerp(x0, x1, .25 * i), lerp(y0, y1, .25 * i)
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fs = lerp(fs0, fs1, .25 * i)
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st = (lerp(0, 255, .25 * i) + frameCount) % 256
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with pushMatrix():
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translate(x, y)
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rotate(fs)
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stroke(st, 255, 255)
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hexagon(0, 0, fs)
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# empty list
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ELEMENTS[:] = []
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# uncomment next lines to export GIF
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global GIF_EXPORT
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if not frameCount % 20 and GIF_EXPORT:
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GIF_EXPORT = gif_export(GifMaker,
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frames=1000,
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delay=300,
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filename=SKETCH_NAME)
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# Updates reading or draws sliders and checks mouse dragging / keystrokes
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input.update()
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def keyPressed():
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global GIF_EXPORT
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if key == 'p': # save PNG
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saveFrame("####.png")
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if key == 'g': # save GIF
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GIF_EXPORT = True
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if key == 'h':
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input.help()
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input.keyPressed()
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def keyReleased():
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input.keyReleased()
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def rnd_choice(collection):
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i = int(random(len(collection)))
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return collection[i]
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def hexagon(x, y, r):
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with pushMatrix():
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translate(x, y)
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beginShape()
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for i in range(6):
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sx = cos(i * TWO_PI / 6) * r
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sy = sin(i * TWO_PI / 6) * r
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vertex(sx, sy)
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endShape(CLOSE)
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