pimoroni-pico/micropython/examples/pico_explorer/balls_demo.py

70 lines
1.5 KiB
Python

# adapted from demo.py in examples/pico_display
# runs full screen on a pico explorer
# all credit to orignal author(s) -
# I just changed the import statement to import picoexplorer instaead of picodisplay
import time
import random
import picoexplorer as display
width = display.get_width()
height = display.get_height()
display_buffer = bytearray(width * height * 2) # 2-bytes per pixel (RGB565)
display.init(display_buffer)
# display.set_backlight(1.0)
class Ball:
def __init__(self, x, y, r, dx, dy, pen):
self.x = x
self.y = y
self.r = r
self.dx = dx
self.dy = dy
self.pen = pen
# initialise shapes
balls = []
for i in range(0, 100):
r = random.randint(0, 10) + 3
balls.append(
Ball(
random.randint(r, r + (width - 2 * r)),
random.randint(r, r + (height - 2 * r)),
r,
(14 - r) / 2,
(14 - r) / 2,
display.create_pen(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)),
)
)
while True:
display.set_pen(40, 40, 40)
display.clear()
for ball in balls:
ball.x += ball.dx
ball.y += ball.dy
xmax = width - ball.r
xmin = ball.r
ymax = height - ball.r
ymin = ball.r
if ball.x < xmin or ball.x > xmax:
ball.dx *= -1
if ball.y < ymin or ball.y > ymax:
ball.dy *= -1
display.set_pen(ball.pen)
display.circle(int(ball.x), int(ball.y), int(ball.r))
display.update()
time.sleep(0.01)