def __init__(self,
add_delay=1.0,
speed=14.0,
color=Color(rgb=(1, 1, 1)),
width=6.0,
reverse=False):
"""
Args:
color the color of the center (maximally intense part) of a pulse
width the maximum number of LEDs affected by a pulse (diameter)
add_delay the number of seconds between new pulses
speed the number of LEDs down the strip a pulse travels / second
reverse If True, pulses travel in the opposite direction; by
default, the start from index 0.
"""
Pattern.__init__(self)
if add_delay <= 0:
raise ValueError('add_delay value %s is not > 0.' % add_delay)
if speed == 0:
raise ValueError('speed value %s is 0.')
if width <= 0:
raise ValueError('width value %s is not > 0.' % width)
self.__add_delay = float(add_delay)
self.__speed = float(speed)
self.__interval = self.__speed * self.__add_delay
self.__radius = width / 2.0
self.__reverse = reverse
self.__color = color
self.__t0 = None
def apply(self, colorBuffer):
Pattern.apply(self, colorBuffer)
self.__updateColorsAndOffset()
colors = colorBuffer.getColors()
f = self.__offset
for i in xrange(min(len(colors), len(self._colors) - 1)):
colors[i].add(self._colors[i].scaled(f))
colors[i].add(self._colors[i + 1].scaled(1.0 - f))
def __init__(self, colorSequence, speed=1.0):
if speed <= 0.0:
raise ValueError("Illegal speed %s must be > 0." % speed)
Pattern.__init__(self)
Buffer.__init__(self, size=STRIP_LENGTH + 2)
self.__seq = iter(colorSequence)
self.__speed = speed
self.__offset = 1.0
self.__t = None
def Apply(self, color_buffer):
Pattern.Apply(self, color_buffer)
self.__UpdateColorsAndOffset()
colors = color_buffer.GetColors()
f = self.__offset
for i in xrange(min(len(colors), len(self._colors) - 1)):
colors[i].Add(self._colors[i].Scaled(f))
colors[i].Add(self._colors[i + 1].Scaled(1.0 - f))
def __init__(self, color_sequence, speed=1.0):
"""
Args:
color_sequence an iterable of Color objects, to be scrolled. When
the color_sequence runs out, the marquee will stop animating.
speed the number of positions (LEDs) to advance in one second.
For example, with a speed of 5, the first color from
color_sequence will move (smoothly) from the start of the LED
strip to the 5th LED.
"""
if speed <= 0.0:
raise ValueError('Illegal speed %s must be > 0.' % speed)
Pattern.__init__(self)
Buffer.__init__(self, size=STRIP_LENGTH + 2)
self.__seq = iter(color_sequence)
self.__speed = speed
self.__offset = 1.0
self.__t = None
def apply(self, colorBuffer): """ Recalculate pulse positions for the current time and add pulses. """ Pattern.apply(self, colorBuffer) colors = colorBuffer.getColors() n = len(colors) for rawCenter in self.__generatePositions(n-1): center = rawCenter if self.__reverse: center = (n - 1) - center minIndex = int(1 + center - self.__radius) maxIndex = int(center + self.__radius) for i in xrange(minIndex, maxIndex+1): if i < 0 or i >= n: continue dx = abs(center - i) f = min(1.0, dx / self.__radius) colors[i] = colors[i].scaled(f) colors[i].add(self.__color.scaled(1.0 - f))
def __init__(self, addDelay=1.0, speed=14.0,
color=Color(rgb=(1,1,1)), width=6.0,
reverse=False):
Pattern.__init__(self)
if addDelay <= 0:
raise ValueError('addDelay value %s is not > 0.'
% addDelay)
if speed == 0:
raise ValueError('speed value %s is 0.')
if width <= 0:
raise ValueError('width value %s is not > 0.'
% width)
self.__addDelay = float(addDelay)
self.__speed = float(speed)
self.__interval = self.__speed * self.__addDelay
self.__radius = width/2.0
self.__reverse = reverse
self.__color = color
self.__t0 = None
def Apply(self, color_buffer):
"""Recalculates pulse positions for the current time and add pulses."""
Pattern.Apply(self, color_buffer)
colors = color_buffer.GetColors()
n = len(colors)
for raw_center in self.__GeneratePositions(n - 1):
center = raw_center
if self.__reverse:
center = (n - 1) - center
min_index = int(1 + center - self.__radius)
max_index = int(center + self.__radius)
for i in xrange(min_index, max_index + 1):
if i < 0 or i >= n:
continue
dx = abs(center - i)
f = min(1.0, dx / self.__radius)
colors[i] = colors[i].Scaled(f)
colors[i].Add(self.__color.Scaled(1.0 - f))
def __init__(self, color, opacity=0.0):
Pattern.__init__(self)
self.__color = color
self.SetOpacity(opacity)
def Apply(self, color_buffer):
Pattern.Apply(self, color_buffer)
for c in color_buffer.GetColors():
c.set(Color.Lerp(self.__opacity, c, self.__color))
def __init__(self, color, opacity=0.0): Pattern.__init__(self) self.__color = color self.setOpacity(opacity)
def apply(self, colorBuffer): Pattern.apply(self, colorBuffer) for c in colorBuffer.getColors(): c.set(Color.Lerp(self.__opacity, c, self.__color))
def __init__(self): Pattern.__init__(self) self.__patterns = []
def __init__(self):
Pattern.__init__(self)
self.__patterns = []
