from machine import Pin
import utime

LEDs= [23, 22, 21, 19, 18, 5, 17, 16, 4, 2]

led_pins= []

for x in range (0,10):
    led_pins.append(Pin(LEDs[x], Pin.OUT, Pin.PULL_UP))

button_fast = Pin(35, Pin.IN, Pin.PULL_UP)
button_slow= Pin(34, Pin.IN, Pin.PULL_UP)
delay= .002

def check_delay():
    global delay
    if button_fast.value()==0:
        delay= max(0, delay-.001)
        utime.sleep(.1)
    if button_slow.value()==0:
        delay= delay +.001
        utime.sleep(.1)
    utime.sleep(delay)


while True:
    
    for x in range (len(led_pins)):
        led_pins[x].value(0)
    #derecha a izquierda

    for x in range (len(led_pins)-2):
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x].value(1)
        check_delay()
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x+2].value(1)
        check_delay()
        led_pins[x].value(1)
        check_delay()
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x+2].value(1)
        check_delay()

    for x in range (len(led_pins)):
        led_pins[x].value(0)

    #izquierda a derecha
    for x in reversed (range(len(led_pins)-2)):
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x].value(1)
        check_delay()
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x+2].value(1)
        check_delay()
        led_pins[x].value(1)
        check_delay()
        led_pins[x+1].value(1)
        check_delay()
        led_pins[x+2].value(1)
        check_delay()


    for x in range (len(led_pins)):
        led_pins[x].value(0)

    #desde el centro hacia afuera
    for x in range (len(led_pins)-5):
        if x==0:
            led_pins[x+4].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x+4].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x+4].value(1)
            led_pins[x+5].value(1)
            check_delay()
        if x==1:
            led_pins[x+2].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x+2].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x+2].value(1)
            led_pins[x+5].value(1)
            check_delay()
        if x==2:
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
        if x==3:
            led_pins[x-2].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x-2].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x-2].value(1)
            led_pins[x+5].value(1)
            check_delay()
        if x==4:
            led_pins[x-4].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x-4].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x-4].value(1)
            led_pins[x+5].value(1)
            check_delay()

    for x in range (len(led_pins)):
        led_pins[x].value(0)

    #de afuera hacia adentro
    for x in range (len(led_pins)-5):
        if x==0:
            led_pins[x].value(1)
            led_pins[x+9].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+9].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+9].value(1)
            check_delay()
        if x==1:
            led_pins[x].value(1)
            led_pins[x+7].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+7].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+7].value(1)
            check_delay()
        if x==2:
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+5].value(1)
            check_delay()
        if x==3:
            led_pins[x].value(1)
            led_pins[x+3].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+3].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+3].value(1)
            check_delay()
        if x==4:
            led_pins[x].value(1)
            led_pins[x+1].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+1].value(1)
            check_delay()
            led_pins[x].value(1)
            led_pins[x+1].value(1)
            check_delay()
            
    for x in range(1,10):
        numero=x
        if numero % 2==0:
            for y in range(len(led_pins)):
                numero=y
                if numero % 2==0:
                    led_pins[y].value(1)
                else:
                    led_pins[y].value(0)
            utime.sleep(1)
        else:
            for y in range(len(led_pins)):
                numero=y
                if numero % 2==0:
                    led_pins[y].value(0)
                else:
                    led_pins[y].value(1)
            utime.sleep(1)