fireworks3.py

   1 from microbit import *
   2 import neopixel
   3
   4 NP_COUNT = 60
   5 BURST_SIZE = 10
   6
   7 np = neopixel.NeoPixel(pin0, NP_COUNT)
   8
   9 BLUE = (0, 0, 64)
  10 RED = (64, 0, 0)
  11 OFF = (0, 0, 0)
  12
  13
  14 #########################################
  15 # Add this function
  16 def explode(pixels):
  17     initial_colour = (255, 128, 128)
  18
  19     for i in range(BURST_SIZE):
  20         pixels[NP_COUNT - BURST_SIZE + i] = initial_colour
  21         pixels[NP_COUNT - BURST_SIZE - i] = initial_colour
  22     pixels.show()
  23     time.sleep(0.5)
  24 # End of function to add
  25 #########################################
  26
  27 def reset(pixels):
  28     for n in range(NP_COUNT):
  29         pixels[n] = OFF
  30     pixels[0] = BLUE
  31     np.show()
  32
  33 def shoot_firework(pixels):
  34     for pixel in range(NP_COUNT - BURST_SIZE):
  35         pixels[pixel] = RED
  36         pixels.show()
  37         sleep(20)
  38         pixels[pixel] = OFF
  39         pixels.show()
  40
  41
  42 reset(np)
  43 last_gesture = accelerometer.current_gesture()
  44
  45 while True:
  46     gesture = accelerometer.current_gesture()
  47     if gesture != last_gesture or button_a.is_pressed():
  48         # set off a firework
  49         shoot_firework(np)
  50         explode(np) # Add this line
  51         reset(np)
  52         last_gesture = gesture