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-rw-r--r--strip/strip.ino1
1 files changed, 1 insertions, 0 deletions
diff --git a/strip/strip.ino b/strip/strip.ino
index ce9edf8..7e0c395 100644
--- a/strip/strip.ino
+++ b/strip/strip.ino
@@ -18,6 +18,7 @@ int32_t g = 0;
// Gets the intensity for LED `l`.
// s is a step between 0 and 1000.
// l is the led number, between 0 and NUM_LEDS.
+// num_pixels is the width of the pixels to light up.
float grad(int s, int l, float num_pixels) {
float scaled = s * 16.0 / 1000;
float distance = abs(scaled - l);