add rainbow

master
lub 3 years ago
parent 996f007076
commit 5b5cb476e8

@ -53,15 +53,37 @@ def morph_grb(grb, steps, mode='single'):
raise Exception(f'Mode "{mode}" is not supported.')
return grb
def rainbow(device, min_value=1, max_value=255):
"""
Takes an int between 0-255 and either increments or decreases it by the specified steps.
"""
direction = [
choice([-1, 1]),
choice([-1, 1]),
choice([-1, 1])
]
grb = [
randint(min_value, max_value),
randint(min_value, max_value),
randint(min_value, max_value)
]
channel = randint(0, 2)
while True:
#channel = (channel + 1) % 3
channel = randint(0, 2)
for i in range(30):
candidate = grb[channel] + 1 * direction[channel]
# if we go out of bounds reverse the direction
if candidate < min_value or candidate > max_value:
direction[channel] = direction[channel] * -1
else:
grb[channel] = candidate
set_all_leds(device, grb)
device = blinkstick.find_first()
# get a random initial color
grb = random_grb()
while True:
set_all_leds(device, grb)
grb = morph_grb(grb, 2)
rainbow(device)