From 87ddd29fc6956967e649d7a2afb994ee68af496b Mon Sep 17 00:00:00 2001
From: ncuxonaT <ncuxonat@mail.ru>
Date: Fri, 20 Feb 2026 00:17:56 +0300
Subject: [PATCH] utils: mathlib: fix Atan2Fast

---
 utils/common/mathlib.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils/common/mathlib.cpp b/utils/common/mathlib.cpp
index cafe82dc..cc7a6a4c 100644
--- a/utils/common/mathlib.cpp
+++ b/utils/common/mathlib.cpp
@@ -227,7 +227,7 @@ float Atan2Fast( float y, float x )
 	float ydivx = y / x;	
 	
 	float res = AcosFast( 1.0f / sqrtf( 1.0f + ydivx * ydivx ) );
-	res = ( x >= 0.0f ) ? res : - res;
+	res = ( ydivx >= 0.0f ) ? res : - res;
 
 	if( x < 0.0f )
 		res += (y >= 0.0f) ? M_PI : - M_PI;