hyperion.ng/effects/pacman.py

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import hyperion, time
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from random import randint
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#get args
rotationTime = float(hyperion.args.get('rotationTime', 4))
marginPos = float(hyperion.args.get('margin-pos', 2))
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# define pacman
pacman = bytearray((255, 255, 0))
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# define ghosts
redGuy = bytearray((255, 0, 0))
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pinkGuy = bytearray((255, 184, 255))
blueGuy = bytearray((0, 255, 255))
slowGuy = bytearray((255, 184, 81))
light = bytearray((255, 184, 174))
background = bytearray((0, 0, 0))
#helper
posPac = 1
diffPac = 6*marginPos
diffGuys = 3*marginPos
sleepTime = max(0.02,rotationTime/hyperion.ledCount)
posPinkGuy = posPac + diffPac
posBlueGuy = posPinkGuy + diffGuys
posSlowGuy = posBlueGuy + diffGuys
posRedGuy = posSlowGuy + diffGuys
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# initialize the led data
ledDataEscape = bytearray()
for i in range(hyperion.ledCount):
if i == 1:
ledDataEscape += pacman
elif i == posPinkGuy:
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ledDataEscape += pinkGuy
elif i == posBlueGuy:
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ledDataEscape += blueGuy
elif i == posSlowGuy:
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ledDataEscape += slowGuy
elif i == posRedGuy:
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ledDataEscape += redGuy
else:
ledDataEscape += background
ledDataChase = bytearray()
for i in range(hyperion.ledCount):
if i == 1:
ledDataChase += pacman
elif i in [posPinkGuy, posBlueGuy, posSlowGuy, posRedGuy]:
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ledDataChase += bytearray((33, 33, 255))
else:
ledDataChase += background
# increment = 3, because LED-Color is defined by 3 Bytes
increment = 3
def shiftLED(ledData, increment, limit, lightPos=None):
state = 0
while state < limit and not hyperion.abort():
ledData = ledData[increment:] + ledData[:increment]
if (lightPos):
tmp = ledData[lightPos]
ledData[lightPos] = light
hyperion.setColor(ledData)
if (lightPos):
ledData[lightPos] = tmp
time.sleep(sleepTime)
state += 1
# start the write data loop
while not hyperion.abort():
# escape mode
ledData = ledDataEscape
shiftLED(ledData, increment, hyperion.ledCount)
random = randint(10,hyperion.ledCount)
# escape mode + power pellet
s = slice(3*random, 3*random+3)
shiftLED(ledData, increment, hyperion.ledCount - random, s)
# chase mode
shift = 3*(hyperion.ledCount - random)
ledData = ledDataChase[shift:]+ledDataChase[:shift]
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shiftLED(ledData, -increment, 2*hyperion.ledCount-random)
time.sleep(sleepTime)
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