def rainbow(i, wait=0.001, width=num_pixels):
for j in range(num_pixels):
x = int((j % width) * 256. / width)
x = x + i & 255
pixels[j] = utils.wheel(x)
pixels.show()
time.sleep(wait)
def run(self):
self.neopixel.setBrightness(255)
while self.loading:
self.neopixel.setPixelColor(self.i, wheel(self.rainbow))
self.neopixel.show()
self.next()
time.sleep(0.007)
print("program ready")
def mode_solid_rainbow(key, pixels):
h = 0
while key == state_key():
h = h % 255
color = wheel(h)
pixels.fill(color)
pixels.show()
time.sleep(0.01)
h += 1
def note(self, freq):
print(freq, self.a, self.b)
if freq < self.b and freq > self.a:
ri = int((freq - self.a) / self.wide * (255 - self.offset) +
self.offset)
print(ri)
self.npx.setPixelColor(self.index, wheel(ri))
self.npx.show()
self.increment()
def mode_sliding_circle_rainbow(key, pixels):
h = 0
while key == state_key():
for i in range(0, pixels.n):
hue = (h + i) % 255
color = wheel(hue)
set_pixel_circle(pixels, i, color)
pixels.show()
time.sleep(0.01)
h += 1
def mode_halloween(key, pixels):
red = {"r": 255, "g": 0, "b": 0}
orange = {"r": 255, "g": 140, "b": 0}
c1 = _color_tuple(red)
c2 = _color_tuple(orange)
i = 0
delta = 1
global halloween_mode
global h
global offset
def start_rainbow():
global halloween_mode
halloween_mode = HalloweenModes.RAINBOW
# post_message_to_lack("trick or treaters are here")
global h
global offset
h = 0
offset = 0
post_message_to_lack("rainbow mode")
register_button(start_rainbow)
while key == state_key():
if halloween_mode == HalloweenModes.WAITING:
color = _color_between(c1, c2, float(i) / 100.0)
pixels.fill(color)
pixels.show()
time.sleep(0.01)
if i >= 100:
delta = -1
if i <= 0:
delta = 1
i += delta
if halloween_mode == HalloweenModes.RAINBOW:
for i in range(0, pixels.n):
hue = (h + i) % 255
color = wheel(hue)
set_pixel_circle(pixels, i, color)
pixels.show()
time.sleep(0.01)
h += 1
if h >= 100:
post_message_to_lack("nyancat mode")
halloween_mode = HalloweenModes.NYANCAT
if halloween_mode == HalloweenModes.NYANCAT:
nyan_pixels = _nyan_pixels()
num_cats = 8
offset = offset % pixels.n
pixels.fill((0, 0, 0))
for i in range(0, num_cats):
_set_pixels(offset + int(pixels.n / num_cats) * i, pixels,
nyan_pixels)
pixels.show()
time.sleep(0.01)
offset += 1
if offset >= 100:
post_message_to_lack("waiting mode")
halloween_mode = HalloweenModes.WAITING