def effect():
# trigger effect
for i in range(steps_per * 8):
for y in range(8):
for x in range(8):
r, g, b = background(x, y, i)
r = int(max(0, min(255, r)))
g = int(max(0, min(255, g)))
b = int(max(0, min(255, b)))
rainbow.set_pixel(x, y, r, g, b)
rainbow.show()
time.sleep(0.01)
for i in range(200):
v = (math.sin(i / 6.0) + 1.0) / 2.0
for y in range(8):
for x in range(8):
r = 0
b = 0
g = 100
g *= tick_mask[y][x]
g *= v
r = int(max(0, min(255, r)))
g = int(max(0, min(255, g)))
b = int(max(0, min(255, b)))
rainbow.set_pixel(x, y, r, g, b)
rainbow.show()
time.sleep(0.02)
def step():
global i
i = 0 if i>=100*len(ASCIIPIC) else i+1 # avoid overflow
for h in range(height):
for w in range(width):
hPos = (i+h) % len(ASCIIPIC)
chr = ASCIIPIC[hPos][w]
if chr == ' ':
rainbow.set_pixel(w, h, 0, 0, 0)
else:
rainbow.set_pixel(w, h, 255, 0, 0)
rainbow.show()
def update_display():
# keep track of the row we are updating
c = row_pointer
for h in range(height):
for w in range(width):
# val is between 50 and 255
val = rows[c][w]
# invert coordinates
rainbow.set_pixel((width - 1) - w, (height - 1) - h, val, val, val)
c += 1
if c > height - 1:
c = 0
rainbow.show()
def toggle(tog):
#toggle has been called determine state
if tog:
#randomise red, green and blue
r = randint(30, 255)
g = randint(30, 255)
b = randint(30, 255)
msg = "On!"
else:
#clear red, green and blue
r = 0
g = 0
b = 0
msg = "Off!"
#print the relevant message
print(msg, r, g, b)
#set the LEDs to the relevant lighting (all on/off)
for y in range(height):
for x in range(width):
rainbow.set_pixel(x, y, r, g, b)
rainbow.show()
#return the inverse boolean variable that was passed in
return not tog
def setup():
global heights
heights = []
for b in range(0, 6):
heights.append(0)
uh.off()
for b in range(0, 8):
uh.set_pixel(0, b, 255, 255, 255)
for b in range(0, 8):
uh.set_pixel(7, b, 255, 255, 255)
for b in range(1, 7):
uh.set_pixel(b, 0, 255, 255, 255)
uh.show()
def drop_ball():
ball_colour = [randint(100, 255), randint(100, 255), randint(100, 255)]
ball_column = randint(0, 5)
while heights[ball_column] == 7:
ball_column = randint(0, 5)
height = heights[ball_column]
ball_y = 7
uh.set_pixel(ball_column + 1, ball_y, ball_colour[0], ball_colour[1],
ball_colour[2])
uh.show()
dropcount = 6 - height
for y in range(0, dropcount):
uh.set_pixel(ball_column + 1, ball_y, 0, 0, 0)
ball_y -= 1
uh.set_pixel(ball_column + 1, ball_y, ball_colour[0], ball_colour[1],
ball_colour[2])
uh.show()
time.sleep(0.02)
heights[ball_column] += 1
def clear():
for y in range(8):
for x in range(8):
rainbow.set_pixel(x, y, 0, 0, 0)
rainbow.show()
import time, colorsys
import numpy as np
rainbow.brightness(0.5)
def make_gaussian(fwhm):
x = np.arange(0, 8, 1, float)
y = x[:, np.newaxis]
x0, y0 = 3.5, 3.5
fwhm = fwhm
gauss = np.exp(-4 * np.log(2) * ((x - x0)**2 + (y - y0)**2) / fwhm**2)
return gauss
while True:
fwhm = 5
gauss = make_gaussian(fwhm)
for y in range(8):
for x in range(8):
h = 0.1
s = 1.0
v = gauss[x, y]
rgb = colorsys.hsv_to_rgb(h, s, v)
r = int(rgb[0] * 255.0)
g = int(rgb[1] * 255.0)
b = int(rgb[2] * 255.0)
rainbow.set_pixel(x, y, r, g, b)
rainbow.show()
time.sleep(0.005)
rainbow.set_layout(rainbow.PHAT)
rainbow.rotation(0)
rainbow.brightness(0.5)
print("Reticulating splines")
time.sleep(.5)
print("Enabled rainbow poop module!")
time.sleep(.5)
print("Pooping rainbows...")
i = 0.0
offset = 30
while True:
i = i + 0.3
for y in range(4):
for x in range(8):
r = 0#x * 32
g = 0#y * 32
xy = x + y / 4
r = (math.cos((x+i)/2.0) + math.cos((y+i)/2.0)) * 64.0 + 128.0
g = (math.sin((x+i)/1.5) + math.sin((y+i)/2.0)) * 64.0 + 128.0
b = (math.sin((x+i)/2.0) + math.cos((y+i)/1.5)) * 64.0 + 128.0
r = max(0, min(255, r + offset))
g = max(0, min(255, g + offset))
b = max(0, min(255, b + offset))
rainbow.set_pixel(x,y,int(r),int(g),int(b))
rainbow.show()
time.sleep(0.01)
#!/usr/bin/env python
import time
import rainbowhat as rainbow
print("""Simple
Turns each pixel on in turn and updates the display.
If you're using a Rainbow HAT and only half the screen lights up,
edit this example and change 'rainbow.AUTO' to 'rainbow.HAT' below.
""")
rainbow.set_layout(rainbow.HAT)
#rainbow.set_layout(rainbow.AUTO)
rainbow.rotation(0)
rainbow.brightness(0.3)
width, height = rainbow.get_shape()
for y in range(height):
for x in range(width):
rainbow.set_pixel(x, y, 0, 0, 254)
rainbow.show()
time.sleep(0.05)
time.sleep(1)
rainbow.rotation(90)
rainbow.brightness(0.5)
wrd_rgb = [[154, 173, 154], [0, 255, 0], [0, 200, 0], [0, 162, 0], [0, 145, 0],
[0, 96, 0], [0, 74, 0], [
0,
0,
0,
]]
clock = 0
blue_pilled_population = [[randint(0, 7), 7]]
while True:
for person in blue_pilled_population:
y = person[1]
for rgb in wrd_rgb:
if (y <= 7) and (y >= 0):
rainbow.set_pixel(person[0], y, rgb[0], rgb[1], rgb[2])
y += 1
person[1] -= 1
rainbow.show()
time.sleep(0.1)
clock += 1
if clock % 5 == 0:
blue_pilled_population.append([randint(0, 7), 7])
if clock % 7 == 0:
blue_pilled_population.append([randint(0, 7), 7])
while len(blue_pilled_population) > 100:
blue_pilled_population.pop(0)
rainbow.brightness(0.5) m = [[0 for i in range(8)] for i in range(8)] while True: if 1 in m[-1]: top = [0.5 * i for i in m[-1]] elif 0.5 in m[-1]: top = [0] * 8 else: top = [random.randint(0,1) for i in range(2)] + [0,0,0,0,0,0] random.shuffle(top) for i in range(len(top)): if top[i] == 1 and top[i-1] == 1: top[i] = 0 m.append(top) del m[0] for x in range(8): for y in range(8): h = 0.6 s = 0.6 v = m[x][y] * 0.8 rgb = colorsys.hsv_to_rgb(h, s, v) r = int(rgb[0]*255.0) g = int(rgb[1]*255.0) b = int(rgb[2]*255.0) rainbow.set_pixel(y, x, r, g, b) rainbow.show() time.sleep(0.075)
def set_pixel(self, width, height, r, g, b):
height, width = self.convert(height, width)
rainbow.set_pixel(width, height, r, g, b)
def pixel(self, x, y, col):
if x < 0 or x > 7 or y < 0 or y > 7:
return False
self.buffer[(x, y)] = col
rainbow.set_pixel(x, y, col.r, col.g, col.b)
