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#!/usr/bin/python
"""Simple demo of oscillating colors."""
from __future__ import division
import color
import colorsys
import lumiversepython
import math
import random
import time
FRAME_RATE = 44
MIN_VALUE = 0
MAX_VALUE = 1
MAX_TIME = 4
MIN_TIME = 0.3
MAX_HUE = 169 / 360
MIN_HUE = 250 / 360
def get_all_lights(rig):
"""Return a list of all panels."""
return [
rig.select('$side={}[$sequence={}]'.format(j, i))
for j in ['top', 'bot'] for i in range(1, 200)
]
def pick_HSV():
"""Return a random color in an appropriate interval."""
hue = random.random() * (MAX_HUE - MIN_HUE) + MIN_HUE
saturation = random.random()
value = random.random()
return color.HSV(hue, saturation, value)
def transition(start, end, step):
"""Return a vector equal to (end - start) * step + start."""
return (end - start) / abs(end - start) * step + start
def random_change():
"""Return a random amount that a light should change each frame."""
min_time = int(MIN_TIME * FRAME_RATE)
max_time = int(MAX_TIME * FRAME_RATE)
return 1 / random.randint(min_time, max_time)
def demo(lights, rig):
"""Do some light things."""
light_status = [
{
'change': 0,
'light': light,
'current value': color.RGB(0, 0, 0),
'transitioning to': color.RGB(0, 0, 0),
}
for light in lights
]
while True:
for light_s in light_status:
change = light_s['change']
light = light_s['light']
current_value = light_s['current value']
transitioning_to = light_s['transitioning to']
if abs(transitioning_to - current_value) < change:
change = random_change()
light_s['change'] = change
transitioning_to = pick_HSV().to_RGB()
light_s['transitioning to'] = transitioning_to
new_color = transition(current_value, transitioning_to, change)
light.setRGBRaw(*new_color.components)
light_s['current value'] = new_color
rig.updateOnce()
time.sleep(1 / FRAME_RATE)
def main():
"""Run show."""
rig = lumiversepython.Rig('/home/teacher/Lumiverse/PBridge.rig.json')
rig.init()
lights = get_all_lights(rig)
demo(lights, rig)
if __name__ == '__main__':
main()
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