# generates a barcode pattern on the scroll:bit that redraws randomly
# ensure scrollbit.py is copied onto your micro:bit to avoid import errors
import scrollbit
import random
import time
# you can add another stripe variant here if you like.
stripes = [0, 50, 255]
# chose c for column and r for row but you could use x and y
while True:
for c in range (0, 17):
brightness = random.choice(stripes)
for r in range(0, 7):
scrollbit.set_pixel(c, r, brightness)
scrollbit.show()
time.sleep(0.1)
scrollbit.clear()
# Displays a dot on your scroll:bit, move it by tilting!
# Flash this file your micro:bit,
# then save this as scrollbit.py and transfer it to your micro:bit using the Files menu.
ready = False
try:
import scrollbit
ready = True
except ImportError:
print("Please copy the scrollbit.py library to your micro:bit")
import microbit
while ready:
x = microbit.accelerometer.get_x() + 1024
x = max(0, min(2048, x)) / 2048.0
y = microbit.accelerometer.get_y() + 1024
y = max(0, min(2048, y)) / 2048.0
x = int((scrollbit.WIDTH - 1) * x)
y = int((scrollbit.HEIGHT - 1) * y)
scrollbit.clear()
scrollbit.set_pixel(x, y, 255)
scrollbit.show()
microbit.sleep(50)
# code written by F, age 11, at one of our workshops
# randomly turns pixels on or off, creating a game of life effect
import scrollbit
import random
# picks a random pixel on the scrollbit
# picks a second set of pixel coordinates
# sets the first random pixel to full brightness
# sets the second random pixel to off
# shows the changes
while True:
col = random.randint(0, 16)
row = random.randint(0, 6)
newcol = random.randint(0, 16)
newrow = random.randint(0, 6)
scrollbit.set_pixel(col, row, 255)
scrollbit.set_pixel(newcol, newrow, 0)
scrollbit.show()
import scrollbit
char = Image("00000:" "00000:" "00000:" "00900:" "09990:")
ts = 0
cs = 5
bullets = []
bombs = []
score = 0
state = 0
while True:
if state == 0:
scrollbit.clear()
scrollbit.set_pixel(ts, 0, 50)
scrollbit.draw_icon(cs, 2, char, brightness=50)
for b in bullets:
scrollbit.set_pixel(b[0], b[1], 50)
if b[1] == 0 and b[0] == ts:
display.set_pixel(score % 5, score // 5, 5)
score += 1
if score == 25:
score = 0
ts = 0
b[1] -= 1
for b in bombs:
scrollbit.set_pixel(b[0], b[1], 50)
if b[1] == 6 and abs(b[0] - cs - 2) < 2:
def draw(x, y, b):
set_pixel((x + shift) % 17, y, b)
X_MAX = 16
Y_MAX = 6
x = random.randint(0, X_MAX+1)
y = random.randint(0, Y_MAX+1)
x_direction = random.choice([-1, 1])
y_direction = random.choice([-1, 1])
while True:
for x_ in range(0, X_MAX+1):
for y_ in range(0, Y_MAX+1):
brightness = scrollbit.get_pixel(x_, y_)
if brightness:
scrollbit.set_pixel(x_, y_, brightness-15)
scrollbit.set_pixel(x, y, 255)
scrollbit.show()
x += x_direction
y += y_direction
if x < 0 or x > X_MAX:
x_direction *= -1
x = 0 if x < 0 else X_MAX
if y < 0 or y > Y_MAX:
y_direction *= -1
y = 0 if y < 0 else Y_MAX