From dae0b716b96a39bcc710a4c822f6cf50ee28c652 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Tue, 4 Feb 2025 16:12:14 +0900
Subject: [PATCH] _urpMaterialForGrayscale

---
 .../VRM10Viewer/VRM10VisualPrimitive.cs            | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/Assets/VRM10_Samples/VRM10Viewer/VRM10VisualPrimitive.cs b/Assets/VRM10_Samples/VRM10Viewer/VRM10VisualPrimitive.cs
index 6fd70cf1d..e80a826e8 100644
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10VisualPrimitive.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10VisualPrimitive.cs
@@ -10,7 +10,9 @@ namespace UniVRM10.VRM10Viewer
     {
         [SerializeField] private PrimitiveType _primitiveType;
 
-        [SerializeField] private Material _urpMaterial;
+        /// 'Always Inlucded Shaders` に `Universal Render Pipeline/Lit` を指定することが現実的でないため指定する。
+        /// 簡易なシェーダーで十分。
+        [SerializeField] private Material _urpMaterialForGrayscale;
 
         public PrimitiveType PrimitiveType
         {
@@ -25,11 +27,15 @@ namespace UniVRM10.VRM10Viewer
             visual.transform.localPosition = Vector3.zero;
             visual.transform.localRotation = Quaternion.identity;
             visual.transform.localScale = Vector3.one;
-            if (Application.platform == RuntimePlatform.WebGLPlayer || GraphicsSettings.renderPipelineAsset != null)
+
+            // URP 判定
+            if (GraphicsSettings.renderPipelineAsset != null
+                // WebGL ビルドでは GraphicsSettings.renderPipelineAsset が常に null ?
+                || Application.platform == RuntimePlatform.WebGLPlayer)
             {
-                if (_urpMaterial != null)
+                if (_urpMaterialForGrayscale != null)
                 {
-                    visual.GetComponent<Renderer>().material = Instantiate(_urpMaterial);
+                    visual.GetComponent<Renderer>().material = Instantiate(_urpMaterialForGrayscale);
                 }
             }
         }