From f5ebbbca50b8e4b937bd92d82799a2a0323a1e19 Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Fri, 3 Apr 2026 19:23:47 +0900
Subject: [PATCH] Update engine.ts

---
 packages/frontend/src/utility/room/engine.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/frontend/src/utility/room/engine.ts b/packages/frontend/src/utility/room/engine.ts
index 1282caa59a..307ca14f55 100644
--- a/packages/frontend/src/utility/room/engine.ts
+++ b/packages/frontend/src/utility/room/engine.ts
@@ -235,6 +235,13 @@ class ModelManager {
 					newMesh.parent = null;
 				}
 				//newMesh.bakeCurrentTransformIntoVertices();
+
+				if (newMesh.getVerticesData(BABYLON.VertexBuffer.UVKind) == null) {
+					const vertexCount = newMesh.getTotalVertices();
+					const uvs = new Array(vertexCount * 2).fill(0);
+					newMesh.setVerticesData(BABYLON.VertexBuffer.UVKind, uvs, false, 2);
+				}
+
 				toMerge.push(newMesh);
 			}