def pixel_color(t, coord, ii, n_pixels):
"""Compute the color of a given pixel.
t: time in seconds since the program started.
ii: which pixel this is, starting at 0
coord: the (x, y, z) position of the pixel as a tuple
n_pixels: the total number of pixels
Returns an (r, g, b) tuple in the range 0-255
"""
# make moving stripes for x, y, and z
x, y, z = coord
r = color_utils.cos(x, offset=t / 4, period=1, minn=0, maxx=0.7)
g = color_utils.cos(y, offset=t / 4, period=1, minn=0, maxx=0.7)
b = color_utils.cos(z, offset=t / 4, period=1, minn=0, maxx=0.7)
r, g, b = color_utils.contrast((r, g, b), 0.5, 2)
# make a moving white dot showing the order of the pixels in the layout file
spark_ii = (t * 80) % n_pixels
spark_rad = 8
spark_val = max(0, (spark_rad - color_utils.mod_dist(ii, spark_ii, n_pixels)) / spark_rad)
spark_val = min(1, spark_val * 2)
r += spark_val
g += spark_val
b += spark_val
# apply gamma curve
# only do this on live leds, not in the simulator
# r, g, b = color_utils.gamma((r, g, b), 2.2)
return (r * 256, g * 256, b * 256)
def pixel_color(t, coord, ii, n_pixels):
"""Compute the color of a given pixel.
t: time in seconds since the program started.
ii: which pixel this is, starting at 0
coord: the (x, y, z) position of the pixel as a tuple
n_pixels: the total number of pixels
Returns an (r, g, b) tuple in the range 0-255
"""
# make moving stripes for x, y, and z
x, y, z = coord
r = color_utils.cos(x, offset=t / 4, period=1, minn=0, maxx=0.7)
g = color_utils.cos(y, offset=t / 4, period=1, minn=0, maxx=0.7)
b = color_utils.cos(z, offset=t / 4, period=1, minn=0, maxx=0.7)
r, g, b = color_utils.contrast((r, g, b), 0.5, 2)
# make a moving white dot showing the order of the pixels in the layout file
spark_ii = (t * 80) % n_pixels
spark_rad = 8
spark_val = max(
0,
(spark_rad - color_utils.mod_dist(ii, spark_ii, n_pixels)) / spark_rad)
spark_val = min(1, spark_val * 2)
r += spark_val
g += spark_val
b += spark_val
# apply gamma curve
# only do this on live leds, not in the simulator
#r, g, b = color_utils.gamma((r, g, b), 2.2)
return (r * 256, g * 256, b * 256)
def pixel_color(time, coord, ii, n_pixels):
"""Compute the color of a given pixel.
t: time in seconds since the program started.
ii: which pixel this is, starting at 0
coord: the (x, y, z) position of the pixel as a tuple
n_pixels: the total number of pixels
Returns an (r, g, b) tuple in the range 0-255
"""
# make moving stripes for x, y, and z
x, y, z = coord
r = color_utils.cos(z, offset=time * 0.1, period=5, minn=0, maxx=0.7)
g = color_utils.cos(z, offset=time * 0.2, period=2.5, minn=0, maxx=0.7)
b = color_utils.cos(x, offset=time * 0.1, period=10, minn=0, maxx=0.7)
r, g, b = color_utils.contrast((r, g, b), 0.1, 2)
# make a moving white dot showing the order of the pixels in the layout file
spark_ii = (time * 60) % n_pixels
spark_rad = 10
spark_val = max(
0,
(spark_rad - color_utils.mod_dist(ii, spark_ii, n_pixels)) / spark_rad)
spark_val = min(1, spark_val * 64)
#r += spark_val
g += spark_val
b += spark_val
if ii % 10:
if g > 0.3:
b += spark_val
else:
g += spark_val
else:
if g < 0.3:
b += spark_val
r -= spark_val
else:
b = 0
#print ii
#
if ii > 60 and ii < 120:
r, g, b = 100
# apply gamma curve
# only do this on live leds, not in the simulator
#r, g, b = color_utils.gamma((r, g, b), 2.2)
return (r * 256, g * 256, b * 256)
def pixel_color(time, coord, ii, n_pixels):
"""Compute the color of a given pixel.
t: time in seconds since the program started.
ii: which pixel this is, starting at 0
coord: the (x, y, z) position of the pixel as a tuple
n_pixels: the total number of pixels
Returns an (r, g, b) tuple in the range 0-255
"""
# make moving stripes for x, y, and z
x, y, z = coord
r = color_utils.cos(z, offset=time * 0.1, period=5, minn=0, maxx=0.7)
g = color_utils.cos(z, offset=time * 0.2, period=2.5, minn=0, maxx=0.7)
b = color_utils.cos(x, offset=time * 0.1, period=10, minn=0, maxx=0.7)
r, g, b = color_utils.contrast((r, g, b), 0.1, 2)
# make a moving white dot showing the order of the pixels in the layout file
spark_ii = (time*60) % n_pixels
spark_rad = 10
spark_val = max(0, (spark_rad - color_utils.mod_dist(ii, spark_ii, n_pixels)) / spark_rad)
spark_val = min(1, spark_val*64)
#r += spark_val
g += spark_val
b += spark_val
if ii % 10:
if g > 0.3:
b += spark_val
else:
g += spark_val
else:
if g < 0.3:
b += spark_val
r -= spark_val
else:
b = 0
#print ii
#
if ii > 60 and ii < 120:
r, g, b = 100
# apply gamma curve
# only do this on live leds, not in the simulator
#r, g, b = color_utils.gamma((r, g, b), 2.2)
return (r*256, g*256, b*256)
def moving_dot(self, t, coord, ii, n_pixels):
# make a moving white dot showing the order of the pixels in the layout file
spark_ii = (t*80) % n_pixels
spark_rad = 8
spark_val = max(0, (spark_rad - color_utils.mod_dist(ii, spark_ii, n_pixels)) / spark_rad)
if(spark_val==0):
return None
spark_val = min(1, spark_val*2)
spark_val*=256
return (spark_val, spark_val, spark_val)