105 lines
2.5 KiB
Python
105 lines
2.5 KiB
Python
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# Trinket IO demo
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# Welcome to CircuitPython 3.1.1 :)
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import board
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from digitalio import DigitalInOut, Direction, Pull
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import adafruit_dotstar as dotstar
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import adafruit_fancyled.adafruit_fancyled as fancy
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import time
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import neopixel
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import random
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# One pixel connected internally!
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dot = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.2)
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# Built in red LED
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led = DigitalInOut(board.D13)
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led.direction = Direction.OUTPUT
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# NeoPixel strip (of 16 LEDs) connected on D4
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GRIDLEN = 64
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grid = neopixel.NeoPixel(board.D4, GRIDLEN, brightness=0.2, auto_write=False, pixel_order=neopixel.GRB)
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class GlitchPixel:
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def __init__(self):
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self.init()
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self.nsteps = 64
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self.step = random.randrange(self.nsteps)
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def init(self):
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self.step = 0
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self.pos = random.randrange(GRIDLEN)
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self.color = fancy.CHSV(random.random()).pack()
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def frame(self):
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bmask = (0xff * self.step // 32) & 0xff
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if self.step > self.nsteps/2:
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bmask = 0xff - bmask
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#bmask = 0xff >> abs(4 - self.step)
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mask = (bmask << 16) | (bmask << 8) | (bmask << 0)
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color = self.color & mask
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grid[self.pos] = color
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self.step += 1
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if self.step > self.nsteps:
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self.init()
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def fade():
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reps = 300 + random.randrange(GRIDLEN)
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hue = random.randrange(1000)
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colors = [fancy.CHSV(hue, 255, v).pack() for v in range(0, 256, 32)]
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rcolors = colors[:]
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rcolors.reverse()
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for count in range(reps):
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pos = count % GRIDLEN
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for color in colors:
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grid[pos] = color
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pos -= 1
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for color in rcolors:
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grid[pos] = color
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pos -= 1
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grid.show()
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def singleCursor():
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red = fancy.CHSV(0, 210, 127).pack()
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pos = 20
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for i in range(80):
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grid[pos] = red * (i % 2)
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grid.show()
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time.sleep(0.08)
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def sparkle():
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white = fancy.CHSV(0, 0, 127).pack()
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pos = [0,0,0]
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for i in range(50):
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for j in range(len(pos)):
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pos[j] = random.randrange(GRIDLEN)
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grid[pos[j]] = white
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grid.show()
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for p in pos:
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grid[p] = 0
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grid.show()
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def glitchPulse():
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grid.fill(0)
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pixels = []
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for i in range(4):
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p = GlitchPixel()
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pixels.append(p)
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for f in range(256):
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for p in pixels:
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p.frame()
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grid.show()
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time.sleep(0.1)
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def loop():
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fade()
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singleCursor()
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sparkle()
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glitchPulse()
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while True:
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loop()
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