def hsv_rainbow(strip: BaseStrip, delay: int):
for i in range(1, 360):
r, g, b = hsv2rgb(i / 360, 1, 1)
strip.fill((r, g, b))
strip.show()
time.sleep(delay / 1000)
def strobe(strip: BaseStrip, color: ColorTuple, count: int, delay: int = 100):
for i in range(count):
strip.fill(color)
strip.show()
time.sleep(delay / 1000)
strip.fill((0, 0, 0))
strip.show()
time.sleep(delay / 1000)
def scanner(strip: BaseStrip,
color: ColorTuple,
size: int,
speed_delay: int = 10,
return_delay: int = 50):
for i in itertools.chain(range(strip.led_count - size - 2),
reversed(range(strip.led_count - size - 2))):
strip.fill((0, 0, 0))
strip[i] = int(color[0] / 10), int(color[1] / 10), int(color[2] / 10)
for j in range(1, size + 1):
strip[i + j] = color
strip[i + size + 1] = int(color[0] / 10), int(color[1] / 10), int(
color[2] / 10)
strip.show()
time.sleep(speed_delay / 1000)
def snake(strip: BaseStrip, snake_color: ColorTuple, food_color: ColorTuple,
snake_speed: int):
def generate_food():
index = random.randint(0, strip.led_count - 1)
while index in range(snake_head - snake_length, snake_head):
index = random.randint(0, strip.led_count - 1)
return index
def draw_snake():
for i in range(snake_head - snake_length, snake_head):
if i in range(0, strip.led_count):
strip[i] = snake_color
strip.show()
strip.fill((0, 0, 0))
snake_length = 3
snake_head = 0
food_index = generate_food()
strip[food_index] = food_color
while True:
if snake_head - snake_length - 1 in range(0, strip.led_count):
strip[snake_head - snake_length - 1] = (0, 0, 0)
draw_snake()
if snake_head == food_index:
food_index = generate_food()
strip[food_index] = food_color
snake_length += 1
snake_head += 1
if snake_head - snake_length - 1 > strip.led_count:
snake_head = 0
if snake_length >= strip.led_count - 2:
snake_length = 3
snake_head = 0
strobe(strip, snake_color, 4, delay=400)
def meteor_rain(strip: BaseStrip,
color: ColorTuple,
size: int,
decay: int,
random_decay: bool = True,
delay: int = 30):
strip.fill((0, 0, 0))
for i in range(strip.led_count * 2):
for j in range(strip.led_count):
if not random_decay or random.random() > 0.5:
fade_to_black(strip, j, decay)
for j in range(size):
if strip.led_count > i - j >= 0:
strip[i - j] = color
strip.show()
time.sleep(delay / 1000)
def fade_in_n_out(strip: BaseStrip, color: ColorTuple, delay: int):
for i in itertools.chain(range(256), reversed(range(256))):
c = calculate_color_percent(color, i / 256)
strip.fill(c)
strip.show()
time.sleep(delay / 1000)