code.py

"""Example for Pico. Blinks the built-in LED."""

import board
import digitalio
import os
import neopixel
from digitalio import DigitalInOut, Direction, Pull
from adafruit_debouncer import Debouncer
from adafruit_led_animation.animation.rainbow import Rainbow
from adafruit_led_animation.animation.rainbowchase import RainbowChase
from adafruit_led_animation.animation.rainbowcomet import RainbowComet
from adafruit_led_animation.animation.rainbowsparkle import RainbowSparkle
from adafruit_led_animation.animation.SparklePulse import SparklePulse
from adafruit_led_animation.color import ORANGE, BLACK

button_pin = board.D9
rgb_pin = board.D7

# neopixels
num_pixels = 24
pixels = neopixel.NeoPixel(rgb_pin, num_pixels)
pixels.brightness = 0.3

# set up the button and enable debouncing 
btn = digitalio.DigitalInOut(button_pin)
btn.direction = digitalio.Direction.INPUT
btn.pull = digitalio.Pull.UP
button = Debouncer(btn, interval=0.1)
prev_state = button.value 

# animations
rainbow = Rainbow(pixels, speed=0.1, period=5)
rainbow_chase = RainbowChase(pixels, speed=0.1, size=6, spacing=6)
rainbow_comet = RainbowComet(pixels, speed=0.1, tail_length=8, bounce=False)
rainbow_sparkle = RainbowSparkle(pixels, speed=0.05, num_sparkles=8)
fire =  SparklePulse(pixels, speed=0.1, period=5, color=ORANGE)

mode = 0

pixels.fill((0, 0, 0))

while True:

	button.update()

	# button pressed
	if button.fell:
		if(mode < 3):
			mode = mode+1
		else:
			mode = 0
		print("Mode:", mode)


	if(mode == 0):
		fire.animate()
	elif(mode == 1):
		rainbow_chase.animate()
	elif(mode == 2):
		rainbow_comet.animate()
	else:
		rainbow.animate()