import rgb
import time
import random
import buttons, defines

rgb.clear()

pixels = []
pixel_speed = 0.05

rgb.setbrightness(30)


def init():
    rgb.clear()
    rgb.background((random.randint(1, 256), random.randint(1, 256), random.randint(1, 256)))


def callback_button_up(button_is_down):
    if button_is_down:
        global pixel_speed
        pixel_speed = pixel_speed * 1.2
        pass


buttons.register(defines.BTN_UP, callback_button_up)


def callback_button_down(button_is_down):
    if button_is_down:
        global pixel_speed
        pixel_speed = pixel_speed / 1.2
        pass


buttons.register(defines.BTN_DOWN, callback_button_down)


while True:
    time.sleep(pixel_speed)
    init()