sol_random.py

from random import random
import sys

from birdfish.lights import RGBLight, Chase, LightShow, LightGroup

# create a light show - manages the updating of all lights
show = LightShow()

# Create a network - in this case, universe 3
#dmx3 = LumosNetwork(3)

# add the network to the show
# show.networks.append(dmx3)

# create an input interface
dispatcher = MidiDispatcher("MidiKeys")

class CustomColorChanger(LightGroup):
    def trigger(self, sig_intensity, **kwargs):
        for e in self.elements:
            e.hue = random()
            e.update_rgb()
        super(CustomColorChanger, self).trigger(sig_intensity, **kwargs)

p = CustomColorChanger(name="bluechase")
elementid = 0
for i in range(1,360,3):
    elementid += 1
    l = RGBLight(
            start_channel=i,
            name="pulse_%s" % elementid,
            attack_duration=1,
            decay_duration=.8,
            release_duration=0,
            sustain_value=0,
            )
    l.hue = random()
    l.saturation = 1
    l.update_rgb()
    # l.simple = True
    # add the light to the network
    dmx3.add_element(l)
    p.elements.append(l)



show.add_element(p)
# set the input interface to trigger the element
# midi code 70 is the "J" key on the qwerty keyboard for the midikeys app
dispatcher.add_observer((0,70), p)


# startup the midi communication - runs in its own thread
dispatcher.start()

# start the show in a try block so that we can catch ^C and stop the midi
# dispatcher thread
try:
    show.run_live()
except KeyboardInterrupt:
    # cleanup
    dispatcher.stop()
    sys.exit(0)