From 7fe5f8907e60c88a73b55b83e978da64719a0d73 Mon Sep 17 00:00:00 2001
From: Def3nder <33399267+Def3nder@users.noreply.github.com>
Date: Mon, 13 Jan 2020 18:29:34 +0100
Subject: [PATCH] FX intensity slider to desaturate Color in Colorloop FX
 (#585)

---
 wled00/FX.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 2863fea40..4a535a868 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -350,7 +350,11 @@ uint16_t WS2812FX::mode_rainbow(void) {
   uint16_t counter = (now * ((SEGMENT.speed >> 3) +2)) & 0xFFFF;
   counter = counter >> 8;
 
-  fill(color_wheel(counter));
+  if (SEGMENT.intensity < 128){
+    fill(color_blend(color_wheel(counter),WHITE,128-SEGMENT.intensity));
+  } else {
+    fill(color_wheel(counter));
+  }
 
   return FRAMETIME;
 }