'''
Mission 11 - Spirit Level
Basic program; no functions or extensions
'''


from codex import *
from time import sleep


CENTER = 120
display.fill(WHITE)
display.draw_line(CENTER, 0, CENTER, 105, BLACK)
display.draw_line(CENTER, 135, CENTER, 239, BLACK)


x = CENTER


while True:
    val = accel.read()
    tilt_x = val[0]
    scaled = (tilt_x/16384) * 90
    degrees = int(scaled)
    if degrees < -90:
        degrees = -90
    if degrees > 90:
        degrees = 90


    display.draw_circle(x, CENTER, 15, WHITE)
    x = CENTER + degrees
    display.draw_circle(x, CENTER, 15, ORANGE)
    
    sleep(0.5)