Merge pull request #552 from pimoroni/patch/galactic_examples
More Galactic Unicorn Examples
This commit is contained in:
Hel Gibbons
GitHub
commit
69d5afb5c5
|
|
@ -0,0 +1,137 @@
|
|||
import time
|
||||
import math
|
||||
import machine
|
||||
from galactic import GalacticUnicorn
|
||||
from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY
|
||||
|
||||
# constants for controlling the background colour throughout the day
|
||||
MIDDAY_HUE = 1.1
|
||||
MIDNIGHT_HUE = 0.8
|
||||
HUE_OFFSET = -0.1
|
||||
|
||||
MIDDAY_SATURATION = 1.0
|
||||
MIDNIGHT_SATURATION = 1.0
|
||||
|
||||
MIDDAY_VALUE = 0.8
|
||||
MIDNIGHT_VALUE = 0.3
|
||||
|
||||
|
||||
# create galactic object and graphics surface for drawing
|
||||
gu = GalacticUnicorn()
|
||||
graphics = PicoGraphics(DISPLAY)
|
||||
|
||||
# create the rtc object
|
||||
rtc = machine.RTC()
|
||||
|
||||
width = GalacticUnicorn.WIDTH
|
||||
height = GalacticUnicorn.HEIGHT
|
||||
|
||||
# set up some pens to use later
|
||||
WHITE = graphics.create_pen(255, 255, 255)
|
||||
BLACK = graphics.create_pen(0, 0, 0)
|
||||
|
||||
|
||||
@micropython.native # noqa: F821
|
||||
def from_hsv(h, s, v):
|
||||
i = math.floor(h * 6.0)
|
||||
f = h * 6.0 - i
|
||||
v *= 255.0
|
||||
p = v * (1.0 - s)
|
||||
q = v * (1.0 - f * s)
|
||||
t = v * (1.0 - (1.0 - f) * s)
|
||||
|
||||
i = int(i) % 6
|
||||
if i == 0:
|
||||
return int(v), int(t), int(p)
|
||||
if i == 1:
|
||||
return int(q), int(v), int(p)
|
||||
if i == 2:
|
||||
return int(p), int(v), int(t)
|
||||
if i == 3:
|
||||
return int(p), int(q), int(v)
|
||||
if i == 4:
|
||||
return int(t), int(p), int(v)
|
||||
if i == 5:
|
||||
return int(v), int(p), int(q)
|
||||
|
||||
|
||||
# function for drawing a gradient background
|
||||
def gradient_background(start_hue, start_sat, start_val, end_hue, end_sat, end_val):
|
||||
half_width = width // 2
|
||||
for x in range(0, half_width):
|
||||
hue = ((end_hue - start_hue) * (x / half_width)) + start_hue
|
||||
sat = ((end_sat - start_sat) * (x / half_width)) + start_sat
|
||||
val = ((end_val - start_val) * (x / half_width)) + start_val
|
||||
colour = from_hsv(hue, sat, val)
|
||||
graphics.set_pen(graphics.create_pen(int(colour[0]), int(colour[1]), int(colour[2])))
|
||||
for y in range(0, height):
|
||||
graphics.pixel(x, y)
|
||||
graphics.pixel(width - x - 1, y)
|
||||
|
||||
colour = from_hsv(end_hue, end_sat, end_val)
|
||||
graphics.set_pen(graphics.create_pen(int(colour[0]), int(colour[1]), int(colour[2])))
|
||||
for y in range(0, height):
|
||||
graphics.pixel(half_width, y)
|
||||
|
||||
|
||||
# function for drawing outlined text
|
||||
def outline_text(text, x, y):
|
||||
graphics.set_pen(BLACK)
|
||||
graphics.text(text, x - 1, y - 1, -1, 1)
|
||||
graphics.text(text, x, y - 1, -1, 1)
|
||||
graphics.text(text, x + 1, y - 1, -1, 1)
|
||||
graphics.text(text, x - 1, y, -1, 1)
|
||||
graphics.text(text, x + 1, y, -1, 1)
|
||||
graphics.text(text, x - 1, y + 1, -1, 1)
|
||||
graphics.text(text, x, y + 1, -1, 1)
|
||||
graphics.text(text, x + 1, y + 1, -1, 1)
|
||||
|
||||
graphics.set_pen(WHITE)
|
||||
graphics.text(text, x, y, -1, 1)
|
||||
|
||||
|
||||
year, month, day, wd, hour, minute, second, _ = rtc.datetime()
|
||||
|
||||
last_second = second
|
||||
|
||||
gu.set_brightness(0.5)
|
||||
|
||||
while True:
|
||||
if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
|
||||
gu.adjust_brightness(+0.01)
|
||||
|
||||
if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
|
||||
gu.adjust_brightness(-0.01)
|
||||
|
||||
year, month, day, wd, hour, minute, second, _ = rtc.datetime()
|
||||
if second != last_second:
|
||||
time_through_day = (((hour * 60) + minute) * 60) + second
|
||||
percent_through_day = time_through_day / 86400
|
||||
percent_to_midday = 1.0 - ((math.cos(percent_through_day * math.pi * 2) + 1) / 2)
|
||||
print(percent_to_midday)
|
||||
|
||||
hue = ((MIDDAY_HUE - MIDNIGHT_HUE) * percent_to_midday) + MIDNIGHT_HUE
|
||||
sat = ((MIDDAY_SATURATION - MIDNIGHT_SATURATION) * percent_to_midday) + MIDNIGHT_SATURATION
|
||||
val = ((MIDDAY_VALUE - MIDNIGHT_VALUE) * percent_to_midday) + MIDNIGHT_VALUE
|
||||
|
||||
gradient_background(hue, sat, val,
|
||||
hue + HUE_OFFSET, sat, val)
|
||||
|
||||
clock = "{:02}:{:02}:{:02}".format(hour, minute, second)
|
||||
|
||||
# set the font
|
||||
graphics.set_font("bitmap8")
|
||||
|
||||
# calculate text position so that it is centred
|
||||
w = graphics.measure_text(clock, 1)
|
||||
x = int(width / 2 - w / 2 + 1)
|
||||
y = 2
|
||||
|
||||
outline_text(clock, x, y)
|
||||
|
||||
last_second = second
|
||||
|
||||
# update the display
|
||||
gu.update(graphics)
|
||||
|
||||
time.sleep(0.01)
|
||||
|
|
@ -0,0 +1,90 @@
|
|||
import time
|
||||
from galactic import GalacticUnicorn
|
||||
from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY
|
||||
|
||||
# constants for controlling scrolling text
|
||||
PADDING = 5
|
||||
MESSAGE_COLOUR = (255, 255, 255)
|
||||
OUTLINE_COLOUR = (0, 0, 0)
|
||||
BACKGROUND_COLOUR = (10, 0, 96)
|
||||
MESSAGE = "\"Space is big. Really big. You just won't believe how vastly hugely mind-bogglingly big it is. I mean, you may think it's a long way down the road to the chemist, but that's just peanuts to space.\" - Douglas Adams"
|
||||
HOLD_TIME = 2.0
|
||||
STEP_TIME = 0.075
|
||||
|
||||
# create galactic object and graphics surface for drawing
|
||||
gu = GalacticUnicorn()
|
||||
graphics = PicoGraphics(DISPLAY)
|
||||
|
||||
width = GalacticUnicorn.WIDTH
|
||||
height = GalacticUnicorn.HEIGHT
|
||||
|
||||
|
||||
# function for drawing outlined text
|
||||
def outline_text(text, x, y):
|
||||
graphics.set_pen(graphics.create_pen(int(OUTLINE_COLOUR[0]), int(OUTLINE_COLOUR[1]), int(OUTLINE_COLOUR[2])))
|
||||
graphics.text(text, x - 1, y - 1, -1, 1)
|
||||
graphics.text(text, x, y - 1, -1, 1)
|
||||
graphics.text(text, x + 1, y - 1, -1, 1)
|
||||
graphics.text(text, x - 1, y, -1, 1)
|
||||
graphics.text(text, x + 1, y, -1, 1)
|
||||
graphics.text(text, x - 1, y + 1, -1, 1)
|
||||
graphics.text(text, x, y + 1, -1, 1)
|
||||
graphics.text(text, x + 1, y + 1, -1, 1)
|
||||
|
||||
graphics.set_pen(graphics.create_pen(int(MESSAGE_COLOUR[0]), int(MESSAGE_COLOUR[1]), int(MESSAGE_COLOUR[2])))
|
||||
graphics.text(text, x, y, -1, 1)
|
||||
|
||||
|
||||
gu.set_brightness(0.5)
|
||||
|
||||
# state constants
|
||||
STATE_PRE_SCROLL = 0
|
||||
STATE_SCROLLING = 1
|
||||
STATE_POST_SCROLL = 2
|
||||
|
||||
shift = 0
|
||||
state = STATE_PRE_SCROLL
|
||||
|
||||
# set the font
|
||||
graphics.set_font("bitmap8")
|
||||
|
||||
# calculate the message width so scrolling can happen
|
||||
msg_width = graphics.measure_text(MESSAGE, 1)
|
||||
|
||||
last_time = time.ticks_ms()
|
||||
|
||||
while True:
|
||||
time_ms = time.ticks_ms()
|
||||
|
||||
if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
|
||||
gu.adjust_brightness(+0.01)
|
||||
|
||||
if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
|
||||
gu.adjust_brightness(-0.01)
|
||||
|
||||
if state == STATE_PRE_SCROLL and time_ms - last_time > HOLD_TIME * 1000:
|
||||
if msg_width + PADDING * 2 >= width:
|
||||
state = STATE_SCROLLING
|
||||
last_time = time_ms
|
||||
|
||||
if state == STATE_SCROLLING and time_ms - last_time > STEP_TIME * 1000:
|
||||
shift += 1
|
||||
if shift >= (msg_width + PADDING * 2) - width - 1:
|
||||
state = STATE_POST_SCROLL
|
||||
last_time = time_ms
|
||||
|
||||
if state == STATE_POST_SCROLL and time_ms - last_time > HOLD_TIME * 1000:
|
||||
state = STATE_PRE_SCROLL
|
||||
shift = 0
|
||||
last_time = time_ms
|
||||
|
||||
graphics.set_pen(graphics.create_pen(int(BACKGROUND_COLOUR[0]), int(BACKGROUND_COLOUR[1]), int(BACKGROUND_COLOUR[2])))
|
||||
graphics.clear()
|
||||
|
||||
outline_text(MESSAGE, x=PADDING - shift, y=2)
|
||||
|
||||
# update the display
|
||||
gu.update(graphics)
|
||||
|
||||
# pause for a moment (important or the USB serial device will fail)
|
||||
time.sleep(0.001)
|
||||
Loading…
Reference in New Issue