def spatial_stripes(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.scaled_cos(x, offset=t / 4, period=1, minn=0, maxx=0.7)
g = color_utils.scaled_cos(y, offset=t / 4, period=1, minn=0, maxx=0.7)
b = color_utils.scaled_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 gentle_glow(self, t, coord, ii, n_pixels):
x, y, z = coord
g = 0
b = 0
r = min(1, (1 - z) + color_utils.scaled_cos(x, offset=t / 5, period=2, minn=0, maxx=0.3))
#For some reason, this is zeroing out some pixels. Needs debugging
return (r*256, g*256, b*256)
def spatial_stripes(self, 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["point"]
r = color_utils.scaled_cos(x, offset=t / 4, period=1, minn=0, maxx=0.7)
g = color_utils.scaled_cos(y, offset=t / 4, period=1, minn=0, maxx=0.7)
b = color_utils.scaled_cos(z, offset=t / 4, period=1, minn=0, maxx=0.7)
r, g, b = color_utils.contrast((r, g, b), 0.5, 2)
return (r*256, g*256, b*256)
def wheelSpinEffect(system, state):
for pixel in system:
x, y, z, theta, r, xr, yr = pixel['coord']
pos = state.wheel_position
intensity = color_utils.scaled_cos(theta, offset=pos / (2 * pi), period=pi / 4, minn=-1, maxx=1)
#color1 = (0.1, 1.0, 0.3)
#color2 = (0.1, 0.4, 0.9)
#color = scaleTuple(color1, intensity) if intensity > 0 else scaleTuple(color2, abs(intensity))
#system.set_pixel_rgb(pixel, color)
colorA = color_utils.scaled_cos(state.time / 288, offset=0, minn=0, maxx=1)
colorB = 1 - colorA
color = colorA if intensity > 0 else colorB
system.set_pixel(pixel, color, abs(intensity))
def miami_color(t, pixel, random_values, accum):
# hue-restricted, faster version of miami.py from OPC samples
# make moving stripes for x, y, and z
x, y, z, theta, r, xr, yr = pixel['coord']
y += color_utils.scaled_cos(x - 0.2*z, offset=0, period=1, minn=0, maxx=0.6)
z += color_utils.scaled_cos(x, offset=0, period=1, minn=0, maxx=0.3)
x += color_utils.scaled_cos(y - z, offset=0, period=1.5, minn=0, maxx=0.2)
# make x, y, z -> r, g, b sine waves
r = color_utils.scaled_cos(y, offset=t / 16, period=2.5, minn=0, maxx=1)
g = color_utils.scaled_cos(z, offset=t / 16, period=2.5, minn=0, maxx=1)
b = color_utils.scaled_cos(-x, offset=t / 16, period=2.5, minn=0, maxx=1)
r, g, b = color_utils.contrast((r, g, b), 0.5, 1.4)
clampdown = (r + g + b)/2
clampdown = color_utils.remap(clampdown, 0.4, 0.5, 0, 1)
clampdown = color_utils.clamp(clampdown, 0, 1)
clampdown *= 0.8
r *= clampdown
g *= clampdown
b *= clampdown
g = g * 0.1 + 0.8 * (b + 0.2 * r) / 2
return (r, g, b)
def miami_color(t, pixel, random_values, accum):
# hue-restricted, faster version of miami.py from OPC samples
# make moving stripes for x, y, and z
x, y, z, theta, r, xr, yr = pixel['coord']
y += color_utils.scaled_cos(x - 0.2 * z,
offset=0,
period=1,
minn=0,
maxx=0.6)
z += color_utils.scaled_cos(x, offset=0, period=1, minn=0, maxx=0.3)
x += color_utils.scaled_cos(y - z, offset=0, period=1.5, minn=0, maxx=0.2)
# make x, y, z -> r, g, b sine waves
r = color_utils.scaled_cos(y, offset=t / 16, period=2.5, minn=0, maxx=1)
g = color_utils.scaled_cos(z, offset=t / 16, period=2.5, minn=0, maxx=1)
b = color_utils.scaled_cos(-x, offset=t / 16, period=2.5, minn=0, maxx=1)
r, g, b = color_utils.contrast((r, g, b), 0.5, 1.4)
clampdown = (r + g + b) / 2
clampdown = color_utils.remap(clampdown, 0.4, 0.5, 0, 1)
clampdown = color_utils.clamp(clampdown, 0, 1)
clampdown *= 0.8
r *= clampdown
g *= clampdown
b *= clampdown
g = g * 0.1 + 0.8 * (b + 0.2 * r) / 2
return (r, g, b)