hyperion.ng/effects/traces.py

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import hyperion, time, random, math
# Initialize the led data
ledData = bytearray()
for i in range(hyperion.ledCount):
ledData += bytearray((0,0,0))
sleepTime = float(hyperion.args.get('speed', 1.0)) * 0.004
minStepTime = float(hyperion.latchTime)/1000.0
factor = 1 if sleepTime > minStepTime else int(math.ceil(minStepTime/sleepTime))
runners = [
{ "i":0, "pos":0, "c":0, "step":9, "lvl":255},
{ "i":1, "pos":0, "c":0, "step":8, "lvl":255},
{ "i":2, "pos":0, "c":0, "step":7, "lvl":255},
{ "i":0, "pos":0, "c":0, "step":6, "lvl":100},
{ "i":1, "pos":0, "c":0, "step":5, "lvl":100},
{ "i":2, "pos":0, "c":0, "step":4, "lvl":100},
]
# Start the write data loop
i = 0
while not hyperion.abort():
for r in runners:
if r["c"] == 0:
#ledData[r["pos"]*3+r["i"]] = 0
r["c"] = r["step"]
r["pos"] = (r["pos"]+1)%hyperion.ledCount
ledData[r["pos"]*3+r["i"]] = int(r["lvl"]*(0.2+0.8*random.random()))
else:
r["c"] -= 1
i += 1
if i % factor == 0:
hyperion.setColor(ledData)
i = 0
time.sleep(sleepTime)