From 4ee5c73bcadc8c2d15fd84c9b130ea26553a76f4 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Tue, 10 Feb 2026 11:43:16 +0900
Subject: [PATCH] Update engine.ts

---
 packages/frontend/src/utility/room/engine.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/frontend/src/utility/room/engine.ts b/packages/frontend/src/utility/room/engine.ts
index 1ff2f2a040..a02ebdb03a 100644
--- a/packages/frontend/src/utility/room/engine.ts
+++ b/packages/frontend/src/utility/room/engine.ts
@@ -633,6 +633,7 @@ export class RoomEngine {
 					const soMesh = this.objectMeshs.get(soid)!;
 					soMesh.parent = null;
 					soMesh.position = soMesh.position.add(mesh.position);
+					soMesh.rotation = soMesh.rotation.add(mesh.rotation);
 					removeStickyParentRecursively(soMesh);
 				}
 			};
@@ -666,6 +667,7 @@ export class RoomEngine {
 				setStickyParentRecursively(soMesh);
 				soMesh.parent = mesh;
 				soMesh.position = soMesh.position.subtract(mesh.position);
+				soMesh.rotation = soMesh.rotation.subtract(mesh.rotation);
 			}
 		};
 		setStickyParentRecursively(highlightedObject);