def heat_animation(delay=0.02):
global heat_offset
for i in range(num_leds):
# Load each pixel's color from the palette. FastLED uses 16-step
# in-between blending...so for a 16-color palette, there's 256
# steps total. With 10 pixels, multiply the pixel index by 25.5
# (and add our offset) to get FastLED-style palette position.
color = helper.ColorFromPalette(heat_palette, int(heat_offset + i * 25.5), blend=True)
# color = helper.ColorFromPalette(ocean_palette, int(heat_offset + i * 6.375), blend=True)
# Apply gamma using the FastLED helper syntax
color = helper.applyGamma_video(color)
# 'Pack' color and assign to NeoPixel #i
pixels[i] = color.pack()
pixels.show()
time.sleep(delay)
heat_offset += 8 # Bigger number = faster spin
0,
0, # Red
255,
0,
0,
0
]) # Black
# fmt: on
# Convert the gradient palette into a normal palette w/16 elements:
palette = helper.loadDynamicGradientPalette(heatmap_gp, 16)
offset = 0 # Positional offset into color palette to get it to 'spin'
while True:
for i in range(10):
# Load each pixel's color from the palette. FastLED uses 16-step
# in-between blending...so for a 16-color palette, there's 256
# steps total. With 10 pixels, multiply the pixel index by 25.5
# (and add our offset) to get FastLED-style palette position.
color = helper.ColorFromPalette(palette,
int(offset + i * 25.5),
blend=True)
# Apply gamma using the FastLED helper syntax
color = helper.applyGamma_video(color)
# 'Pack' color and assign to NeoPixel #i
cpx.pixels[i] = color.pack()
cpx.pixels.show()
offset += 8 # Bigger number = faster spin