def set_pixels(pixels, pixels_per_string, elapsed_time, palette, audio_level,
audio_respond, colour_mash):
global string_levels
global string_brightness
n_pixels = len(pixels)
n_strings = int(n_pixels / pixels_per_string)
n_peaks = 3
time_factor = -0.5
amplitude_factor = 12.5 + 5 * math.sin(elapsed_time * -0.2)
for string in range(n_strings):
radial_offset = (n_peaks * 2 * math.pi / n_strings) * string
lateral_offset = math.sin(radial_offset + elapsed_time *
time_factor) * amplitude_factor
if lateral_offset > string_levels[string]:
string_levels[string] = lateral_offset
string_brightness[string] += (1.0 -
string_brightness[string]) * 0.15
else:
string_levels[string] *= 0.95
string_brightness[string] -= (string_brightness[string] -
0.25) * 0.075
midpoint = (
(8 * pixels_per_string / 12) -
1) + (pixels_per_string / 2.5) * math.sin(elapsed_time * -0.5)
brightness_val = string_brightness[string]
for pixel in range(pixels_per_string):
palette_val = palette_utils.get_value(elapsed_time, pixel,
pixels_per_string, palette,
colour_mash)
pixel_level = 1.0
if audio_respond:
pixel_response_proportion = (
1 - (float(pixel) / pixels_per_string))**1.2
pixel_level = (1 - pixel_response_proportion) + (
pixel_response_proportion * audio_level)
if pixel >= midpoint - string_levels[string]:
pixels[string * pixels_per_string + pixel] = tuple(
pixel_level * string_brightness[string] * channel
for channel in palette_val)
else:
distance_from_midpoint = midpoint - pixel
fade_factor = min(1.0 / (distance_from_midpoint**2), 1)
pixels[string * pixels_per_string +
pixel] = tuple(fade_factor * string_brightness[string] *
pixel_level * channel
for channel in palette_val)
def set_pixels(pixel_buff, pixels_per_string, elapsed_time, palette,
fade_level):
for ii in range(len(pixel_buff)):
pixel_level = 1
pixel_index = ii % pixels_per_string
ripple_level = math.sin(pixel_index - time.time() * 5) / 2 + 0.5
pixel_val = tuple(
pixel_level * channel * ripple_level
for channel in palette_utils.get_value(
elapsed_time, ii, pixels_per_string, palette, False))
pixel_buff[ii] = tuple(pixel_val[channel] * fade_level +
pixel_buff[ii][channel] * (1.0 - fade_level)
for channel in range(3))
def set_pixels(pixel_buff, pixels_per_string, sparkle_chance,
max_concurrent_sparkles, elapsed_time, palette, audio_level,
audio_respond, colour_mash, add):
global sparkle_colour
global sparkle_time
global last_sparkle
if not initialised:
return
since_last_sparkle = elapsed_time - last_sparkle
# if since_last_sparkle == 0:
# sparkle_chance = 0
# else:
# sparkle_chance *= 1.0/((since_last_sparkle*2) ** 2)
last_sparkle = elapsed_time
if audio_respond:
max_concurrent_sparkles = max(
int(max_concurrent_sparkles * (audio_level**2) * 5), 1)
sparkle_chance = max(sparkle_chance * (audio_level**2) * 5,
sparkle_chance / 4)
for ii in range(max_concurrent_sparkles + 1):
if random.random() < sparkle_chance:
sparkle_index = random.randint(0, len(sparkle_time) - 1)
sparkle_time[sparkle_index] = elapsed_time
sparkle_colour[sparkle_index] = palette_utils.get_value(
elapsed_time, sparkle_index, pixels_per_string, palette,
colour_mash)
for ii in range(len(pixel_buff)):
sparkle_intensity = min(
1.0 / ((max(elapsed_time - sparkle_time[ii], 0.001)) * 3)**2, 1.5)
# sparkle_intensity = min(pattern_utils.inverse_square(elapsed_time, sparkle_time[ii], 2.0), 1)
pixel_value = tuple(channel * sparkle_intensity
for channel in sparkle_colour[ii])
#pixel_value = tuple(255 * channel for channel in color_utils.gamma(pixel_value, 2.2))
if add:
pixel_buff[ii] = tuple(
max(pixel_value[channel], pixel_buff[ii][channel])
for channel in range(3))
else:
pixel_buff[ii] = pixel_value
def set_pixels(pixel_buff, pixels_per_string, sparkle_chance,
max_concurrent_sparkles, sparkle_fade_val, elapsed_time,
palette, audio_level, audio_respond, colour_mash, fade_level):
global sparkle_offset
global sparkle_time
global last_sparkle
if not initialised:
return
since_last_sparkle = elapsed_time - last_sparkle
if since_last_sparkle == 0:
sparkle_chance = 0
else:
sparkle_chance *= 1.0 / ((since_last_sparkle * 2)**2)
# account for number of total pixels
# sparkle_chance *= ((len(pixel_buff) / pixels_per_string) / 32)
last_sparkle = elapsed_time
for ii in range(max_concurrent_sparkles + 1):
if random.random() < sparkle_chance:
sparkle_index = random.randint(0, len(sparkle_offset) - 1)
sparkle_offset[sparkle_index] = numpy.random.randn(
) * palette.len / 2
for ii in range(len(pixel_buff)):
pixel_level = 1
if audio_respond:
pixel_index = ii % pixels_per_string
pixel_response_proportion = (float(pixel_index) /
pixels_per_string)**3.5
pixel_level = (1 - pixel_response_proportion) + (
pixel_response_proportion * audio_level)
pixel_val = tuple(
pixel_level * channel * fade_level
for channel in palette_utils.get_value(
elapsed_time / 2, ii +
sparkle_offset[ii], pixels_per_string, palette, colour_mash))
pixel_buff[ii] = pixel_val
# pixel_buff[ii] = pattern_utils.fadeDownTo(pixel_buff[ii], pixel_val, 0.5)
sparkle_offset[ii] *= sparkle_fade_val
def set_pixels(pixels, pixels_per_string, elapsed_time, palette, beat_now, audio_level, audio_respond, colour_mash):
global pixel_order
global last_pixel_order_switch
n_pixels = len(pixels)
n_strings = int(n_pixels / pixels_per_string)
time_cos_factor = 2
wobble_amplitude = 5
band_radius = pixels_per_string/2 + math.cos(elapsed_time/time_cos_factor)*18 - 13
colour_offset = 3.14/6
cos_factor = 6*3.14/(n_pixels/pixels_per_string)
t = elapsed_time*2
offset_ordering = [ [ 0, 1, 2], [0, 2, 1], [1, 0, 2] ]
if audio_respond:
if beat_now:
pixel_order = (pixel_order + 1) % len(offset_ordering)
last_pixel_order_switch = elapsed_time
else:
if math.cos(elapsed_time/time_cos_factor) < -0.99 and elapsed_time - last_pixel_order_switch > min_pixel_order_switch_interval:
pixel_order = (pixel_order + 1) % len(offset_ordering)
last_pixel_order_switch = elapsed_time
for string in range(n_strings):
bandLocation = tuple(band_radius + wobble_amplitude*math.cos(t + string*cos_factor + colour_offset*offset_ordering[pixel_order][colour]) for colour in range(3))
for pixel in range(pixels_per_string):
pixCol = [0, 0, 0]
for colour in range(3):
distance = bandLocation[colour] - pixel
if distance < 0:
distance *= -1
pixCol[colour] = (2 + max(band_radius, 0.0000001)/10)/distance
if audio_respond:
pixCol[colour] *= math.sqrt(audio_level)/3 + 0.84
r, g, b = color_utils.gamma(pixCol, 2.2)
# pixels[string*pixels_per_string + pixel] = pattern_utils.fadeDownTo(pixels[string*pixels_per_string + pixel], (g*255, r*255, b*255), 0.5)
palette_val = palette_utils.get_value(elapsed_time, pixel, pixels_per_string, palette, colour_mash)
r *= palette_val[0]/255.0
g *= palette_val[1]/255.0
b *= palette_val[2]/255.0
pixels[string*pixels_per_string + pixel] = (g*255, r*255, b*255)
def set_pixels(pixel_buff, pixels_per_string, elapsed_time, palette,
audio_level, audio_respond, colour_mash, fade_level):
for ii in range(len(pixel_buff)):
pixel_level = 1
if audio_respond:
pixel_index = ii % pixels_per_string
pixel_response_proportion = (float(pixel_index) /
pixels_per_string)**1.2
pixel_level = (1 - pixel_response_proportion) + (
pixel_response_proportion * audio_level)
pixel_val = tuple(
pixel_level * channel * fade_level
for channel in palette_utils.get_value(
elapsed_time, ii, pixels_per_string, palette, colour_mash))
pixel_buff[ii] = pixel_val
def set_pixels(pixel_buff, pixels_per_string, num_strings, waves_per_string,
add_spiral, elapsed_time, palette, audio_level, audio_respond,
colour_mash):
for ii in range(len(pixel_buff)):
pixel_index = float(ii) % pixels_per_string
string_index = float(ii) / pixels_per_string
scaling_factor = math.pi * 2 / pixels_per_string * waves_per_string
spiral_offset = 0
if add_spiral:
spiral_offset = (float(string_index) / num_strings) * math.pi * 2
upshift = 0.55
if audio_respond:
upshift = math.sqrt(audio_level) / 3 + 0.33
brightness_level = min(
(math.sin(-elapsed_time + pixel_index * scaling_factor +
spiral_offset) / 1.82) + upshift, 1.55)
if audio_respond:
brightness_level *= min(math.sqrt(audio_level) + 0.35, 1)
pixel_value = palette_utils.get_value(elapsed_time, ii,
pixels_per_string, palette,
colour_mash)
pixel_value = tuple(brightness_level * channel / 255
for channel in pixel_value)
pixel_value = tuple(channel * 255
for channel in color_utils.gamma(pixel_value, 2.2))
# pixel_buff[ii] = pattern_utils.fadeDownTo(pixel_buff[ii], pixel_value, 0.5)
pixel_buff[ii] = pixel_value
def __init__(self, palette, pixels_per_string, time, colour_mash):
self.colour = palette_utils.get_value(time, 0, 10, palette,
colour_mash)
self.time = time
self.pixels_per_string = pixels_per_string
self.active = True
def set_pixels(pixel_buff, pixels_per_string, elapsed_time, speed_r, speed_g,
speed_b, palette, audio_level, audio_respond, colour_mash):
# how many sine wave cycles are squeezed into our n_pixels
# 24 happens to create nice diagonal stripes on the wall layout
freq_r = 24
freq_g = 24
freq_b = 24
t = elapsed_time * 5
n_pixels = len(pixel_buff)
audio_factor = 1.0
if audio_respond:
audio_factor = 1.0
for ii in range(n_pixels):
pct = (ii / n_pixels)
# diagonal black stripes
pct_jittered = (pct * 77) % 37
blackstripes = color_utils.cos(pct_jittered,
offset=t * 0.05,
period=1,
minn=-1.5,
maxx=1.5)
blackstripes_offset = color_utils.cos(t,
offset=0.9,
period=60,
minn=-0.5,
maxx=3)
if audio_respond:
root_lev = math.sqrt(audio_level)
blackstripes = color_utils.clamp(
blackstripes + blackstripes_offset, 0 + root_lev / 2,
0.5 + root_lev / 2)
else:
blackstripes = color_utils.clamp(
blackstripes + blackstripes_offset, 0, 1)
# 3 sine waves for r, g, b which are out of sync with each other
r = blackstripes * color_utils.remap(
math.cos(
(t / speed_r + pct * freq_r) * math.pi * 2), -1, 1, 0, 256)
g = blackstripes * color_utils.remap(
math.cos(
(t / speed_g + pct * freq_g) * math.pi * 2), -1, 1, 0, 256)
b = blackstripes * color_utils.remap(
math.cos(
(t / speed_b + pct * freq_b) * math.pi * 2), -1, 1, 0, 256)
# pixel_buff[ii] = pattern_utils.fadeDownTo(pixel_buff[ii], (r, g, b), 0.5)
palette_val = palette_utils.get_value(elapsed_time, ii,
pixels_per_string, palette,
colour_mash)
r *= palette_val[0] / 255.0
g *= palette_val[1] / 255.0
b *= palette_val[2] / 255.0
pixel_buff[ii] = tuple(
min(channel * audio_factor, 255) for channel in (r, g, b))