def displaySingleFrame(self):
newPixels = [Pixel() for n in range(self.nLeds)]
if self.timeToNextParticle == 0:
if len(self.particles) < self.maxParticles:
newParticle = particle.randomParticle(self.colors, self.nLeds,
self.pParams)
self.particles.append(newParticle)
self.timeToNextParticle = randInt(0,
self.timeToNextParticleMax)
else:
self.timeToNextParticle -= 1
deadParticles = []
for p in self.particles:
p.display(newPixels)
p.age()
if p.isDed():
deadParticles.append(p)
self.pixels[:] = [p.toTuple() for p in newPixels]
self.pixels.show()
for p in deadParticles:
self.particles.remove(p)
def randomParticle(colors, nLeds, parameters):
"""
factory to create a random Particle
"""
center = randInt(0, nLeds)
spread = randInt(*parameters["spread"].value)
# drift = (randFloat(0, 1)-0.5)/100
drift = 0
ttl = randInt(*parameters["ttl"].value)
gamma = randFloat(*parameters["gamma"].value)
colorIndex = randInt(0, len(colors))
color = colors[colorIndex]
return particle(center, spread, drift, ttl, color, gamma)
def displaySingleFrame(self):
newPixels = [Pixel() for n in range(self.nLeds)]
if self.timeToNextParticle == 0:
if len(self.particles) < self.parameters["maxParticles"].value:
newParticle = particle.randomParticle(
palette.current, self.nLeds, self.parameters
)
self.particles.append(newParticle)
self.timeToNextParticle = randInt(
0, self.parameters["maxTimeToNextParticle"].value
)
else:
self.timeToNextParticle -= 1
deadParticles = []
for p in self.particles:
p.display(newPixels)
p.age()
if p.isDed():
deadParticles.append(p)
self.pixels[:] = [p.toTuple() for p in newPixels]
self.pixels.show()
for p in deadParticles:
self.particles.remove(p)
def randomParticle(colors, nLeds, params: particleParams):
"""
factory to create a random Particle
"""
center = randInt(0, nLeds)
spread = params.spread()
#drift = (randFloat(0, 1)-0.5)/100
drift = 0
timeToLive = params.timeToLive()
gamma = params.gamma()
colorIndex = randInt(0, len(colors))
color = colors[colorIndex]
return particle(center, spread, drift, timeToLive, color, gamma)
def initialize(self, maxParticles=18, initialParticles=4):
self.timeToNextParticle = randInt(
0, self.parameters["maxTimeToNextParticle"].value
)
self.particles = [
particle.randomParticle(palette.current, self.nLeds, self.parameters)
for i in range(initialParticles)
]
def __init__(self,
pixels,
nLeds,
colors=defaultColors,
maxParticles=18,
initialParticles=4):
self.pixels = pixels
self.nLeds = nLeds
self.colors = colors
self.maxParticles = maxParticles
self.timeToNextParticleMax = 80
self.timeToNextParticle = randInt(0, self.timeToNextParticleMax)
self.pParams = particleParams()
self.particles = [
particle.randomParticle(self.colors, self.nLeds, self.pParams)
for i in range(initialParticles)
]
def timeToLive(self):
return randInt(self.ttlMin, self.ttlMax)
def spread(self):
return randInt(self.spreadMin, self.spreadMax)