'''
Mission 9 Remix 2A
Arrows spin either clockwise or counter clockwise
Use BTN A for clockwise, BTN B for counter clockwise
Also includes an intro and wait (BTN U)
and a button to stop program (BNT D).
'''

from codex import *
import random
from time import sleep

def intro():
    display.print("Game Spinner")
    display.print("A = forward")
    display.print("B = backward")
    display.print()
    display.print("Press U to start")
    display.print("Press D to stop")
    while True:
        if buttons.was_pressed(BTN_U):
            break

def show_random_arrow():
    arrow = random.randrange(8)
    display.show(pics.ALL_ARROWS[arrow])

def spin_animation(count):
    index = 0
    loops = 0
    delay = 0.0
    while loops < count:
        loops = loops + 1
        display.show(pics.ALL_ARROWS[index])
        sleep(delay)
        delay = delay + 0.005
        index = index + 1
        if index == 8:
            index = 0

def spin_animation_counter(count):
    index = len(pics.ALL_ARROWS) - 1
    loops = 0
    delay = 0.0
    while loops < count:
        loops = loops + 1
        display.show(pics.ALL_ARROWS[index])
        sleep(delay)
        delay = delay + 0.005
        index = index - 1
        if index == -1:
            index = len(pics.ALL_ARROWS) - 1

# Main Program
intro()
while True:
    if buttons.is_pressed(BTN_A):
        spin_animation(20)
        show_random_arrow()

    if buttons.is_pressed(BTN_B):
        spin_animation_counter(20)
        show_random_arrow()

    if buttons.is_pressed(BTN_D):
        break

display.clear()
display.print("Thanks",scale=4)