From a6f1dbbf32671fd3f4a896c4f2be87d88fd5b827 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 14 Oct 2024 22:16:08 +0200
Subject: [PATCH] Fix `Quaternion` error tolerance to be more reasonable due to
 math optimization enabled in compiler

---
 Source/Engine/Core/Math/Quaternion.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/Engine/Core/Math/Quaternion.h b/Source/Engine/Core/Math/Quaternion.h
index 1dbcda32d..cadc6730b 100644
--- a/Source/Engine/Core/Math/Quaternion.h
+++ b/Source/Engine/Core/Math/Quaternion.h
@@ -19,7 +19,7 @@ API_STRUCT() struct FLAXENGINE_API Quaternion
     /// <summary>
     /// Equality tolerance factor used when comparing quaternions via dot operation.
     /// </summary>
-    API_FIELD() static constexpr Real Tolerance = 0.9999999f;
+    API_FIELD() static constexpr Real Tolerance = 0.999999f;
 
 public:
     union
@@ -358,7 +358,7 @@ public:
     /// <returns><c>true</c> if the specified <see cref="Quaternion" /> isn't equal to this instance; otherwise, <c>false</c>.</returns>
     FORCE_INLINE bool operator!=(const Quaternion& other) const
     {
-        return !(*this == other);
+        return Dot(*this, other) < Tolerance;
     }
 
 public: