From f1fb4cc7ea0c828308616503c1af6fcd4e8c3858 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Wed, 3 Jul 2024 21:07:15 +0900
Subject: [PATCH] =?UTF-8?q?bake=20=E6=99=82=E3=81=AB=20SkinnedMeshRenderer?=
 =?UTF-8?q?.bones=20=E3=81=AB=20null=20=E3=81=8C=E5=90=AB=E3=81=BE?=
 =?UTF-8?q?=E3=82=8C=E3=81=A6=E3=81=84=E3=81=A6=E3=82=82=E9=80=9A=E3=81=99?=
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---
 .../UniGLTF/Runtime/MeshUtility/MeshAttachInfo.cs  | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Assets/UniGLTF/Runtime/MeshUtility/MeshAttachInfo.cs b/Assets/UniGLTF/Runtime/MeshUtility/MeshAttachInfo.cs
index 54f36ee4f..b0020bbd8 100644
--- a/Assets/UniGLTF/Runtime/MeshUtility/MeshAttachInfo.cs
+++ b/Assets/UniGLTF/Runtime/MeshUtility/MeshAttachInfo.cs
@@ -20,7 +20,19 @@ namespace UniGLTF.MeshUtility
             if (Bones != null)
             {
                 // recalc bindposes
-                Mesh.bindposes = Bones.Select(x => x.worldToLocalMatrix * dst.transform.localToWorldMatrix).ToArray();
+                Mesh.bindposes = Bones.Select(x =>
+                {
+                    if (x != null)
+                    {
+                        return x.worldToLocalMatrix * dst.transform.localToWorldMatrix;
+                    }
+                    else
+                    {
+                        // ボーンが削除された
+                        return dst.transform.localToWorldMatrix;
+                    }
+                }
+                    ).ToArray();
 
                 if (dst.GetComponent<SkinnedMeshRenderer>() is SkinnedMeshRenderer dstRenderer)
                 {