'''
Mission 6: Heartbeat
Extra Spicy Remix 
-- Includes a menu, another break to start, and 
   an ending message
-- Also includes other options, like break, avoiding runtime error
'''
from codex import *
from time import sleep

delay = 1
signal = pics.ARROW_N
color = GREEN

# Introductory menu
display.print("A->slow down")
display.print("B->speed up")
display.print("L->left arrow")
display.print("R->right arrow")
display.print("U->continue")
display.print("D->stop")
display.print(" ")
display.print("Press A to start")

# Hold menu until BTN_A is pressed
while True:
    if buttons.was_pressed(BTN_A):
        break

while True:
    # one turn signal
    display.show(signal)
    sleep(delay)
    display.fill(BLACK)
    sleep(delay)

    if buttons.was_pressed(BTN_A):
        delay = delay + 0.2

    if buttons.was_pressed(BTN_B):
        if delay > 0.2:
            delay = delay - 0.2

    if buttons.was_pressed(BTN_U):
        signal = pics.ARROW_N
        color = GREEN

    if buttons.was_pressed(BTN_L):
        signal = pics.ARROW_W
        color = BLUE

    if buttons.was_pressed(BTN_R):
        signal = pics.ARROW_E
        color = RED

    if buttons.was_pressed(BTN_D):
        break
    
# Ending message   
display.show("The End")