kopia lustrzana https://github.com/pimoroni/pimoroni-pico
72 wiersze
1.9 KiB
Python
72 wiersze
1.9 KiB
Python
# This example borrows a CircuitPython hsv_to_rgb function to cycle through some rainbows on GFX Pack's screen.
|
|
# If you're into rainbows, HSV (Hue, Saturation, Value) is very useful!
|
|
|
|
import time
|
|
from gfx_pack import GfxPack
|
|
|
|
gp = GfxPack()
|
|
display = gp.display
|
|
|
|
WIDTH, HEIGHT = display.get_bounds()
|
|
display.set_backlight(0) # turn off the white component of the backlight
|
|
|
|
DANCE_TIME = 1.0
|
|
|
|
|
|
# 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
|
|
|
|
|
|
# some variables to keep track of rainbows and dancing
|
|
h = 0
|
|
dancing = True
|
|
last_time = time.ticks_ms()
|
|
|
|
display.set_font("bitmap8")
|
|
|
|
while True:
|
|
time_ms = time.ticks_ms()
|
|
|
|
h += 1
|
|
r, g, b = [int(255 * c) for c in hsv_to_rgb(h / 360.0, 1.0, 1.0)] # rainbow magic
|
|
gp.set_backlight(r, g, b) # Set backlight to a converted HSV value
|
|
display.set_pen(0) # Set pen to white
|
|
display.clear()
|
|
display.set_pen(15) # Set pen to black
|
|
# draw text and mans
|
|
if dancing:
|
|
display.text("pico!", 9, 5, WIDTH, 2)
|
|
display.text("\\o\\ \\o\\ \\o\\ ", 7, 25, WIDTH, 2)
|
|
display.text("\\o\\ \\o\\ \\o\\ ", 7, 45, WIDTH, 2)
|
|
else:
|
|
display.text("disco!", 69, 5, WIDTH, 2)
|
|
display.text("/o/ /o/ /o/ ", 21, 25, WIDTH, 2)
|
|
display.text("/o/ /o/ /o/ ", 21, 45, WIDTH, 2)
|
|
# our main loop is faster than our dancing loop
|
|
# this 'if' checks when it's time to dance
|
|
if time_ms - last_time > DANCE_TIME * 1000:
|
|
dancing = not dancing
|
|
last_time = time_ms
|
|
display.update()
|
|
time.sleep(1.0 / 60)
|