From fc8ff51ae1f04dffd42ab77601b7a50946c80fc7 Mon Sep 17 00:00:00 2001
From: tian <11429339@qq.com>
Date: Sat, 1 Aug 2026 12:48:32 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=B9=B3=E7=A7=BB=E5=8A=9F=E8=83=BD=20F?=
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MoveObjectToPathStartPreservingInitialPose 无 Free 分支，Free 落入
else（Ground）逻辑加了半高偏移，导致平移后物体中心不在起点。
新增 Free 分支：路径点即物体几何中心，仅叠加上下偏移。
257 单测全过
---
 src/Core/Animation/PathAnimationManager.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Core/Animation/PathAnimationManager.cs b/src/Core/Animation/PathAnimationManager.cs
index 5ec70df..1b7dce7 100644
--- a/src/Core/Animation/PathAnimationManager.cs
+++ b/src/Core/Animation/PathAnimationManager.cs
@@ -1049,7 +1049,12 @@ namespace NavisworksTransport.Core.Animation
 
                 Point3D pathStartPoint = _pathPoints[0];
                 Point3D startPosition = pathStartPoint;
-                if (_route.PathType == PathType.Hoisting)
+                if (_route.PathType == PathType.Free)
+                {
+                    // 自由路径：路径点即物体几何中心，无需半高偏移，仅叠加上下偏移
+                    startPosition = ApplyGroundPathObjectLiftOffset(startPosition);
+                }
+                else if (_route.PathType == PathType.Hoisting)
                 {
                     startPosition = ResolveGroundTrackedCenter(startPosition, GetAnimatedObjectGroundContactHeight());
                 }