Bouncy John Park heads in CircuitPython

bouncy_jpheads.py

# bouncy_jpheads.py - use displayio to make simple bounch balls
# orignally from: https://gist.github.com/todbot/6f082f452806fad9cd4702c2f1b0aed4
# 30 Jul 2024 - @todbot
import time, random
import board, displayio, terminalio
from adafruit_display_text import label
import adafruit_imageload

display = board.DISPLAY  # CP already sets up display for us, 240x135 for LILYGO T8 ESP32-S2
screen = displayio.Group()  # a main group that holds everything
display.root_group = screen # add main group to display

jp_bitmap,jp_pal = adafruit_imageload.load("jpbitmapsq.bmp")
jp_pal.make_transparent(0)
jp_tile_grid = displayio.TileGrid(jp_bitmap, pixel_shader=jp_pal)

background = Rect(0,0, display.width, display.height, fill=0x000000 ) # background color
screen.append(background)

num_balls = 10
balls = displayio.Group() # group of balls
vees = []  # array of velocities for each ball
for i in range(num_balls):
    fill = random.randint(0,0xffffff) # random color
    b = displayio.TileGrid(jp_bitmap, pixel_shader=jp_pal, x=display.width//2, y=display.height//2)
    v = [random.randint(-3,3), random.randint(-3,3)] # random initial velocity
    vees.append(v)
    balls.append(b)
screen.append(balls)  # add ball group to screen

hello_lbl = label.Label(terminalio.FONT, text="John Park's\nWorkshop!", color=0xffffff,
                        anchored_position=(display.width//2, display.height//2),
                        anchor_point=(0.5,0.5) ) 
screen.append(hello_lbl)


while True:
    for i in range(len(balls)):
        b = balls[i] # get a ball
        v = vees[i]  # get its velocity
        b.x = int(b.x + v[0]) # update ball position
        b.y = int(b.y + v[1]) # update ball position
        # if ball hits edge, bounce it off by reflecting velocity
        if b.x <= 0 or b.x > display.width: v[0] = -v[0] + random.random()-0.5
        if b.y <= 0 or b.y > display.height: v[1] = -v[1] + random.random()-0.5
    time.sleep(0.01)

BMP is the converted version of this PNG using the command:
convert jpbitmapsq.png -resize 50% -type palette -colors 64 -compress None BMP3:jpbitmapsq.bmp

video demo:

IMG_4112.mp4