From a7ec54d80bc0d9900e10f22dd1ea07575195544f Mon Sep 17 00:00:00 2001
From: SiboVG <sibo.vangool@hotmail.com>
Date: Fri, 30 Aug 2024 21:04:25 +0200
Subject: [PATCH] [#2550] Fix mass object radial rotation in 3D view

---
 .../swing/gui/figure3d/geometry/MassObjectRenderer.java       | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/swing/src/main/java/info/openrocket/swing/gui/figure3d/geometry/MassObjectRenderer.java b/swing/src/main/java/info/openrocket/swing/gui/figure3d/geometry/MassObjectRenderer.java
index 389ba935a..f3b751bcf 100644
--- a/swing/src/main/java/info/openrocket/swing/gui/figure3d/geometry/MassObjectRenderer.java
+++ b/swing/src/main/java/info/openrocket/swing/gui/figure3d/geometry/MassObjectRenderer.java
@@ -167,8 +167,8 @@ final class MassObjectRenderer {
 				}
 
 				// Add radial offset
-				double xOffset = o.getRadialPosition() * sin(o.getRadialDirection());
-				double yOffset = o.getRadialPosition() * cos(o.getRadialDirection());
+				double xOffset = o.getRadialPosition() * sin(-o.getRadialDirection());
+				double yOffset = o.getRadialPosition() * cos(-o.getRadialDirection());
 
 				if (r == 0)
 					normal3d(gl, 0, 0, 1);