zoey.py

import time
import board
import neopixel
from digitalio import DigitalInOut, Direction, Pull

switch = DigitalInOut(board.D3)
switch.direction = Direction.INPUT
switch.pull = Pull.UP

pixel_pin = board.D2
num_pixels = 16
 
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.2, auto_write=False)

press_count=0

OFF = (0,0,0)
DRACONICBLUE = (20,0,255)
DRACONICCYAN = (12,240,240)
DRACONICGREEN = (60, 215, 10)
DRACONICLIME = (185,240,50)

def press_check():
    global press_count
    if (switch.value==False):
        press_count+=1
        if press_count>2:
            press_count=0
        time.sleep(0.2)
    print(press_count)
    
    
def fade(c1, c2):
    diff = (c2[0]-c1[0], c2[1]-c1[1], c2[2]-c1[2])
    diffA = [1 if n==0 else abs(n) for n in diff]
    maxDiff = max(diffA)
    index = diffA.index(maxDiff)
    cFade = list(c1)
    increment = [int(diff[i]/diffA[i]) for i in range(3)]
    for i in range(0, maxDiff):
        for n in range(3):
            if(cFade[n] != c2[n]):
                cFade[n] += increment[n]
        pixels.fill(tuple(cFade))
        pixels.show()
        time.sleep(0.01)  # debounce delay
        global press_count
        if (switch.value==False):
            press_count+=1
            if press_count>2:
                press_count=0
            time.sleep(0.2)
            break
        print(press_count)

while True:
    
    press_check()
    if press_count==0:
        pixels.fill(DRACONICLIME)
        pixels.show()

    if press_count==1:
        fade(DRACONICBLUE, DRACONICCYAN)
        fade(DRACONICCYAN, DRACONICGREEN)
        fade(DRACONICGREEN, DRACONICLIME)
        fade(DRACONICLIME, DRACONICGREEN)
        fade(DRACONICGREEN, DRACONICCYAN)
        fade(DRACONICCYAN, DRACONICBLUE)
        time.sleep(1)