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pybricks-api/examples/pup/light/math.py
T
Laurens Valk bd7806d2d4 all: Format with black.
Also activate auto formatting. Bump flake8 and mark black
disagreements in setup.cfg.
2022-05-27 16:22:05 +02:00

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Python

from pybricks.pupdevices import Light
from pybricks.parameters import Port
from pybricks.tools import wait, StopWatch
from umath import pi, cos
# Initialize the light and a StopWatch.
light = Light(Port.A)
watch = StopWatch()
# Cosine pattern properties.
PERIOD = 2000
MAX = 100
# Make the brightness fade in and out.
while True:
# Get phase of the cosine.
phase = watch.time() / PERIOD * 2 * pi
# Evaluate the brightness.
brightness = (0.5 - 0.5 * cos(phase)) * MAX
# Set light brightness and wait a bit.
light.on(brightness)
wait(10)