neopixel

neopixel.py

from random import randint

from microbit import *

import neopixel

np = neopixel.NeoPixel(pin0, 512)


# Merry Christmas
xmas = [
[

'00000000',
'00000000',
'11111111',
'00000100',
'00011000',
'00000100',
'11111111',
'00000000',
'01111000',
'10100100',
'10100100',
'10100100',
'00111000',
'00000000',
'11111100',
'00001000',
'00000100',
'00000100',
'00001000',
'00000000',
'11111100',
'00001000',
'00000100',
'00000100',
'00001000',
'00000000',
'00011110',
'10100000',
'10100000',
'10100000',
'01111110',
'00000000',
'00000000',
'00000000',
'01111110',
'10000001',
'10000001',
'10000001',
'01000010',
'00000000',
'11111111',
'00000100',
'00000100',
'00000100',
'11111000',
'00000000',
'11111100',
'00001000',
'00000100',
'00000100',
'00001000',
'00000000',

'10000100',
'11111101',
'10000000',
'00000000',
'10001000',
'10010100',
'10010100',
'10010100',
'01100100',
'00000000',
'00000100',
'01111111',
'10000100',
'10000100',
'01000000',
'00000000',
'11111100',
'00000100',
'00000100',
'11111000',
'00000100',
'00000100',
'11111000',
'00000000',
'01100000',
'10010100',
'10010100',
'10010100',
'11111000',
'00000000',
'10001000',
'10010100',
'10010100',
'10010100',
'01100100',
'00000000',
'00000000',
'00000000',


'01110000',
'10001000',
'10001000',
'10001000',
'01010000',
'00000000',

'01110000',
'10001000',
'10001000',
'10001000',
'01110000',
'00000000',

'11111000',
'00010000',
'00001000',
'00001000',
'11110000',
'00000000',

'00001000',
'01111110',
'10001000',
'10001000',
'10001000',
'00000000',

'01110000',
'10101000',
'10101000',
'10101000',
'10110000',
'00000000',

'10001000',
'01010000',
'00100000',
'01010000',
'10001000',
'00000000',

'00001000',
'01111110',
'10001000',
'10001000',
'10001000',
'00000000',
'00000000',
'00000000',
'01110110',
'10010001',
'10010001',
'11010101',
'10111001',
'10010001',
'10000001',
'01111110',
'00000000',
'00000000',

],
[
'11111111',
'00001000',
'00001000',
'00001000',
'11111111',
'00000000',
'01111000',
'10000100',
'10000100',
'10000100',
'01111000',
'00000000',
'10111111',
'00000000',
'00000000',
'00000000',
'11111111',
'00001000',
'00001000',
'00001000',
'11111111',
'00000000',
'01111000',
'10000100',
'10000100',
'10000100',
'01111000',
'00000000',
'10111111',
'00000000',
'00000000',
'00000000',
'11111111',
'00001000',
'00001000',
'00001000',
'11111111',
'00000000',
'01111000',
'10000100',
'10000100',
'10000100',
'01111000',
'00000000',
'10111111',
'00000000',
'00000000',
'00000000',
'01000110',
'10001001',
'10001001',
'10001001',
'01110010',
'00000000',
'01100000',
'10010100',
'10010100',
'10010100',
'11111000',
'00000000',
'11111100',
'00000100',
'00000100',
'00000100',
'11111000',
'00000000',
'00000100',
'01111111',
'10000100',
'10000100',
'01000000',
'00000000',
'01100000',
'10010100',
'10010100',
'10010100',
'11111000',
'00000000',
'10001000',
'10010100',
'10010100',
'10010100',
'01100100',
'00000000',
'00000000',
'00000000',
'00111110',
'10100001',
'10100001',
'10100001',
'01111111',
'00000000',
'00000000',
'01111000',
'10000100',
'10000100',
'10000100',
'01111000',
'00000000',
'00000100',
'01111111',
'10000100',
'10000100',
'01000000',
'00000000',
'00000100',
'01111111',
'10000100',
'10000100',
'01000000',
'00000000',
'01100000',
'10010100',
'10010100',
'10010100',
'11111000',
'00000000',
'00000000',
'00000000',
'00111110',
'10100001',
'10100001',
'10100001',
'01111111',
'00000000',
'00000000',
'01111000',
'10000100',
'10000100',
'10000100',
'01111000',
'00000000',
'10111111',
    ],
]


intensity = 10
current_col = 0
cur_text = 0
speed = 4

while True:
    # intensity = (intensity + 10) % 255

    # colours = {
    #    '0': (0, 0, 0),
    #    '1': (intensity, 0, 0),
    # }
    if button_a.is_pressed():
        cur_text = 0 # (cur_text + 1) % len(xmas)
    elif button_b.is_pressed():
        cur_text = 1 # (cur_text - 1) % len(xmas)
        
    if cur_text == 0:
        display.show(str(' '))
    elif cur_text == 1:
        display.show(str('.'))
    
    current_text = xmas[cur_text]
    
    current_col = (current_col + speed) % len(current_text)
    green = True
    for col, pixel_id in enumerate(range(0, 512, 8)):
        this_col = (current_col + col) % len(current_text)
        previous_col = (this_col - 1) % len(current_text)
        
        #red = randint(0, 4)
        #green = randint(0, 4)
        #blue = randint(0, 0)
        red = 250
        green = 0
        blue = 0
        
        if current_text[this_col] == '00000000':
            green = not green
        
        #is_green = int((this_col - 3) / 6) % 2
        if this_col > 88:
            red, green, blue = intensity, 0, 0

        elif is_green == 1:
            red, green, blue = 0, 10, 0
        elif is_green == 0:
            red, green, blue = 10, 0, 0
        
        if col % 2 == 1:
            for row, pix in enumerate(range(pixel_id, pixel_id + 8)):
                msg = current_text[this_col][row]
                previous_msg = current_text[previous_col][row]
                # colour = colours[msg]

                if msg == '1':# and previous_msg == '0':
                    np[pix] = (red, green, blue)
                #elif msg == '0' and previous_msg == '1':
                #    np[pix] = (0, 0, 0)
                else:
                    np[pix] = (0, 0, 0)
        else:
            for row, pix in enumerate(range(pixel_id + 7, pixel_id - 1, -1)):
                msg = current_text[this_col][row]
                previous_msg = current_text[previous_col][row]
                
                if msg == '1':# and previous_msg == '0':
                    np[pix] = (red, green, blue)
                #elif msg == '0' and previous_msg == '1':
                #    np[pix] = (0, 0, 0)
                else:
                    np[pix] = (0, 0, 0)


    np.show()