From 93ec9b915116dd6d8efbe5185f9a849e98624b85 Mon Sep 17 00:00:00 2001
From: Troy <5659019+troyhacks@users.noreply.github.com>
Date: Tue, 25 Jun 2024 23:28:33 -0400
Subject: [PATCH] Stop double first pixel on waterfall effect

---
 wled00/FX.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index d9047e7d..416884cf 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -7794,13 +7794,14 @@ uint16_t mode_waterfall(void) {                   // Waterfall. By: Andrew Tulin
     uint8_t pixCol = (log10f(FFT_MajorPeak) - 2.26f) * 150;           // 22Khz sampling - log10 frequency range is from 2.26 (182hz) to 3.967 (9260hz). Let's scale accordingly.
     if (FFT_MajorPeak < 182.0f) pixCol = 0;                           // handle underflow
 
+    // loop will not execute if SEGLEN equals 1
+    for (int i = 0; i < SEGLEN-1; i++) SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i+1)); // shift left
+    
     if (samplePeak) {
       SEGMENT.setPixelColor(SEGLEN-1, CHSV(92,92,92));
     } else {
       SEGMENT.setPixelColor(SEGLEN-1, color_blend(SEGCOLOR(1), SEGMENT.color_from_palette(pixCol+SEGMENT.intensity, false, PALETTE_SOLID_WRAP, 0), (int)my_magnitude));
     }
-    // loop will not execute if SEGLEN equals 1
-    for (int i = 0; i < SEGLEN-1; i++) SEGMENT.setPixelColor(i, SEGMENT.getPixelColor(i+1)); // shift left
   }
 
   return FRAMETIME;