From c85ee681bbe1e7aa0f9f0eef5a9d65627e67fafb Mon Sep 17 00:00:00 2001
From: syuilo <4439005+syuilo@users.noreply.github.com>
Date: Thu, 21 May 2026 21:03:19 +0900
Subject: [PATCH] Update engine.ts

---
 packages/frontend/src/world/room/engine.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/frontend/src/world/room/engine.ts b/packages/frontend/src/world/room/engine.ts
index 2f2597a698..0215d77f16 100644
--- a/packages/frontend/src/world/room/engine.ts
+++ b/packages/frontend/src/world/room/engine.ts
@@ -656,6 +656,8 @@ export class RoomEngine extends EngineBase<{
 								if ((subMat as BABYLON.PBRMaterial).subSurface.isRefractionEnabled) {
 									(subMat as BABYLON.PBRMaterial).subSurface.isRefractionEnabled = false; // 有効にするとドローコールが激増する(babylonのバグか仕様かは不明)
 									(subMat as BABYLON.PBRMaterial).transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_ALPHABLEND;
+									(subMat as BABYLON.PBRMaterial).alpha = 0.5;
+									(subMat as BABYLON.PBRMaterial).metallic = 1;
 								}
 								(subMat as BABYLON.PBRMaterial).reflectionTexture = this.envManager?.envMapIndoor;
 								if ((subMat as BABYLON.PBRMaterial).metadata == null) (subMat as BABYLON.PBRMaterial).metadata = {};
@@ -667,6 +669,8 @@ export class RoomEngine extends EngineBase<{
 							if ((mesh.material as BABYLON.PBRMaterial).subSurface.isRefractionEnabled) {
 								(mesh.material as BABYLON.PBRMaterial).subSurface.isRefractionEnabled = false; // 有効にするとドローコールが激増する(babylonのバグか仕様かは不明)
 								(mesh.material as BABYLON.PBRMaterial).transparencyMode = BABYLON.PBRMaterial.PBRMATERIAL_ALPHABLEND;
+								(mesh.material as BABYLON.PBRMaterial).alpha = 0.5;
+								(mesh.material as BABYLON.PBRMaterial).metallic = 1;
 							}
 							(mesh.material as BABYLON.PBRMaterial).reflectionTexture = this.envManager?.envMapIndoor;
 							if ((mesh.material as BABYLON.PBRMaterial).metadata == null) (mesh.material as BABYLON.PBRMaterial).metadata = {};