def blink_color(lifx: Group,
colors: Optional[ColorTheme] = None,
blink_time_secs=.5,
how_long_secs=8):
"""change colors on lights every `blink_time_secs`"""
num_cycles = math.ceil(how_long_secs / blink_time_secs)
theme = colors_to_theme(colors) or (Colors.COPILOT_BLUE,
Colors.COPILOT_DARK_BLUE)
with lifx.reset_to_orig():
for _, color in zip(range(num_cycles), cycle(theme)):
lifx.set_color(color)
sleep(blink_time_secs)
def rainbow(lifx: Group,
colors: Optional[ColorTheme] = Themes.rainbow,
duration_secs=0.5,
smooth=False,
num_repeats=1):
"""similar to blink_color"""
theme = colors_to_theme(colors)
transition_time_ms = duration_secs * 1000 if smooth else 0
rapid = duration_secs < 1
with lifx.reset_to_orig():
for _ in range(num_repeats):
for color in theme:
lifx.set_color(color, transition_time_ms, rapid)
sleep(duration_secs)
def fireworks(lifx: Group):
"""make lights look like fireworks"""
start_color = Colors.SNES_LIGHT_PURPLE
with lifx.reset_to_orig():
lifx.set_color(start_color)
sleep(1)
for pers in (500, 250, 125, 60, 30):
num_cycles = 1000 // pers
_set_waveforms(lifx,
Waveform.pulse,
start_color,
Colors.SNES_DARK_PURPLE,
period_msec=pers,
num_cycles=num_cycles,
reduce_sleep_msecs=100)
def _set_waveforms(lifx: Group,
waveform: Waveform,
start_color: Color,
end_color: Color,
*,
period_msec=4000,
num_cycles=4,
skew_ratio=.5,
reduce_sleep_msecs=0):
lifx.turn_on()
lifx.set_color(start_color)
lifx.set_waveform(waveform,
end_color,
period_msec,
num_cycles,
skew_ratio=skew_ratio)
sleep((period_msec * num_cycles - reduce_sleep_msecs) / 1000)
