kopia lustrzana https://github.com/blaz-r/pico_python_ws2812b
54 wiersze
1.4 KiB
Python
54 wiersze
1.4 KiB
Python
import time
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import ws2812b
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import random
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numpix = 50 # Number of NeoPixels
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# Pin where NeoPixels are connected
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strip = ws2812b.ws2812b(numpix, 0,0)
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colors = [
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[232, 100, 255], # Purple
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[200, 200, 20], # Yellow
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[30, 200, 200], # Blue
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[150,50,10],
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[50,200,10],
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]
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max_len=20
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min_len = 5
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#pixelnum, posn in flash, flash_len, direction
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flashing = []
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num_flashes = 10
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for i in range(num_flashes):
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pix = random.randint(0, numpix - 1)
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col = random.randint(1, len(colors) - 1)
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flash_len = random.randint(min_len, max_len)
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flashing.append([pix, colors[col], flash_len, 0, 1])
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strip.fill(0,0,0)
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while True:
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strip.show()
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for i in range(num_flashes):
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pix = flashing[i][0]
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brightness = (flashing[i][3]/flashing[i][2])
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colr = (int(flashing[i][1][0]*brightness),
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int(flashing[i][1][1]*brightness),
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int(flashing[i][1][2]*brightness))
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strip.set_pixel(pix, colr[0], colr[1], colr[2])
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if flashing[i][2] == flashing[i][3]:
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flashing[i][4] = -1
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if flashing[i][3] == 0 and flashing[i][4] == -1:
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pix = random.randint(0, numpix - 1)
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col = random.randint(0, len(colors) - 1)
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flash_len = random.randint(min_len, max_len)
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flashing[i] = [pix, colors[col], flash_len, 0, 1]
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flashing[i][3] = flashing[i][3] + flashing[i][4]
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time.sleep(0.005)
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