From 789307025abcef45f162dd2b626d51e5fddbb07e Mon Sep 17 00:00:00 2001
From: Pawel Baran <pawel.baran@burohappold.com>
Date: Sun, 15 Dec 2024 14:46:13 +0100
Subject: [PATCH] flipping of bars fixed to take release into account

---
 Structure_Engine/Modify/Flip.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Structure_Engine/Modify/Flip.cs b/Structure_Engine/Modify/Flip.cs
index 7f1e249fb..d0b5d5f15 100644
--- a/Structure_Engine/Modify/Flip.cs
+++ b/Structure_Engine/Modify/Flip.cs
@@ -27,6 +27,7 @@
 using BH.oM.Quantities.Attributes;
 using System.ComponentModel;
 using BH.Engine.Base;
+using BH.oM.Structure.Constraints;
 
 
 namespace BH.Engine.Structure
@@ -51,6 +52,15 @@ public static Bar Flip(this Bar bar)
             flipped.Start = flipped.End;
             flipped.End = tempNode;
 
+            BarRelease flippedRelease = bar.Release?.ShallowClone();
+            if (flippedRelease != null)
+            {
+                Constraint6DOF tempRelease = flippedRelease.StartRelease;
+                flippedRelease.StartRelease = flippedRelease.EndRelease;
+                flippedRelease.EndRelease = tempRelease;
+                flipped.Release = flippedRelease;
+            }
+
             return flipped;
         }