showing vectorio use

vectorio_balls.py

# vectorio_balls.py -- show using vectorio.Circle
# 19 Jan 2023 - @todbot / Tod Kurt
import board, time, math, random
import displayio, vectorio, rainbowio

display = board.DISPLAY
disp_width,disp_height = display.width, display.height
screen = displayio.Group()  # group that holds everything
display.show(screen) # add main group to display 

num_balls = 10  # number of balls
r  = 15  # radius of balls

balls = []
for i in range(num_balls):
    palette = displayio.Palette(1)
    palette[0] = rainbowio.colorwheel(random.randint(0,255)) # random color
    x,y = random.randint(0,disp_width), random.randint(0,disp_height)
    vx,vy = random.randint(-3,3), random.randint(-2,2) # random velocities
    circle = vectorio.Circle(pixel_shader=palette, radius=r, x=x, y=y)
    screen.append(circle) # add to display
    balls.append( [circle, vx, vy] )  # store circle & velocities for later movement

while True:
    for (ball,vx,vy) in balls:
        ball.x = (ball.x + vx) % disp_width
        ball.y = (ball.y + vy) % disp_height  # wrap-around
    time.sleep(0.05)

Looks like

FullSizeRender.MOV