pimoroni-pico/micropython/examples/pico_enviro/lcd.py

96 wiersze
2.1 KiB
Python

import time
import random
from picographics import PicoGraphics, DISPLAY_ENVIRO_PLUS
from pimoroni import RGBLED
display = PicoGraphics(display=DISPLAY_ENVIRO_PLUS)
display.set_backlight(1.0)
led = RGBLED(6, 7, 10)
led.set_rgb(255, 255, 255)
WIDTH, HEIGHT = display.get_bounds()
# From CPython Lib/colorsys.py
def hsv_to_rgb(h, s, v):
if s == 0.0:
return v, v, v
i = int(h * 6.0)
f = (h * 6.0) - i
p = v * (1.0 - s)
q = v * (1.0 - s * f)
t = v * (1.0 - s * (1.0 - f))
i = i % 6
if i == 0:
return v, t, p
if i == 1:
return q, v, p
if i == 2:
return p, v, t
if i == 3:
return p, q, v
if i == 4:
return t, p, v
if i == 5:
return v, p, q
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)),
)
)
hue = 0
while True:
hue += 1
r, g, b = [int(255 * c) for c in hsv_to_rgb(hue / 360.0, 1.0, 1.0)] # rainbow magic
led.set_rgb(r, g, b) # pretty colours Led
BG = display.create_pen(r, g, b)
display.set_pen(BG)
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)