for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
"""
* PyDMXControl: A Python 3 module to control DMX using OpenDMX or uDMX.
* Featuring fixture profiles, built-in effects and a web control panel.
* <https://github.com/MattIPv4/PyDMXControl/>
* Copyright (C) 2021 Matt Cowley (MattIPv4) ([email protected])
from ..defaults import Effect
class Dim(Effect):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# Start of loop
self.__start = None
def callback(self):
# New
if self.__start is None:
self.__start = self.fixture.controller.ticker.millis_now()
offset = self.speed * self.offset # Calculate offset duration
delay = self.speed * self.delay # Calculate delay period after effect
total = self.speed + delay # Calculate total loop time (speed + delay)
start = self.__start + offset # Account for initial offset
since_start = self.fixture.controller.ticker.millis_now() - start # Calculate time since effect started
since_last = since_start % total # Calculate time since this loop started
# If in delay period
if since_last > self.speed:
self.fixture.set_channel('dimmer', 0)
return
# Get progress through this loop (excl delay)
progress = since_last / self.speed
# Ensure in range 0 <= p <= 1
while progress > 1:
progress = progress - 1
while progress < 0:
progress = 1 + progress
# Flip half way through
progress *= 2
if progress > 1:
progress = 1 - (progress - 1)
# Ensure we reach 100%
if progress >= 0.95:
progress = 1
# Apply dimmer
self.fixture.set_channel('dimmer', int(255 * progress))
def start(self):
super().start()
MattIPv4 /
PyDMXControl
