From b7b24a21404ba00a3b469be23eb3524c4fec29dd Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Wed, 22 Apr 2026 19:45:21 +0900
Subject: [PATCH] Update books.ts

---
 packages/frontend/src/world/room/objects/books.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/frontend/src/world/room/objects/books.ts b/packages/frontend/src/world/room/objects/books.ts
index 4232254cdd..f61ce8fd52 100644
--- a/packages/frontend/src/world/room/objects/books.ts
+++ b/packages/frontend/src/world/room/objects/books.ts
@@ -25,6 +25,7 @@ export const books = defineObject({
 	placement: 'top',
 	hasCollisions: false,
 	hasTexture: true,
+	canPreMeshesMerging: false,
 	createInstance: ({ scene, options, model }) => {
 		const coverMaterial = model.findMaterial('__X_COVER__');
 
@@ -54,14 +55,16 @@ export const books = defineObject({
 		];
 
 		for (const meshes of bookMeshes) {
-			const z = Math.random() * cm(0.005);
-			const y = Math.random() * cm(0.0025);
+			const z = Math.random() * 0.005;
+			const y = Math.random() * 0.0025;
 			for (const mesh of meshes) {
 				mesh.position.z -= z;
 				mesh.position.y += y;
 			}
 		}
 
+		model.updated();
+
 		return {
 			onOptionsUpdated: ([k, v]) => {
 				applyVariation();