From ccca2f14340899c8ce3e4eac6323766f970db90d Mon Sep 17 00:00:00 2001
From: Exter-N <exter-n@exter-n.fr>
Date: Sat, 19 Aug 2023 03:16:45 +0200
Subject: [PATCH] Material editor: improve color accuracy

---
 .../UI/AdvancedWindow/ModEditWindow.Materials.ColorSet.cs  | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Penumbra/UI/AdvancedWindow/ModEditWindow.Materials.ColorSet.cs b/Penumbra/UI/AdvancedWindow/ModEditWindow.Materials.ColorSet.cs
index cd599f11..c03272ef 100644
--- a/Penumbra/UI/AdvancedWindow/ModEditWindow.Materials.ColorSet.cs
+++ b/Penumbra/UI/AdvancedWindow/ModEditWindow.Materials.ColorSet.cs
@@ -412,12 +412,13 @@ public partial class ModEditWindow
     private static bool ColorPicker( string label, string tooltip, Vector3 input, Action< Vector3 > setter, string letter = "" )
     {
         var ret = false;
-        var tmp = input;
+        var inputSqrt = Vector3.SquareRoot( input );
+        var tmp = inputSqrt;
         if( ImGui.ColorEdit3( label, ref tmp,
                ImGuiColorEditFlags.NoInputs | ImGuiColorEditFlags.DisplayRGB | ImGuiColorEditFlags.InputRGB | ImGuiColorEditFlags.NoTooltip )
-        && tmp != input )
+        && tmp != inputSqrt )
         {
-            setter( tmp );
+            setter( tmp * tmp );
             ret = true;
         }