From 9fd67c035dd0dbc746496b57a1084c10720ca699 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 11 Sep 2020 11:46:53 +0900
Subject: [PATCH] =?UTF-8?q?unity=20=E3=81=A7=E3=81=AF=20`=3D=3Dnull`=20?=
 =?UTF-8?q?=E3=81=A8=20`is=20null`=20=E3=81=8C=E3=81=8B=E3=81=AA=E3=82=8A?=
 =?UTF-8?q?=E9=81=95=E3=81=86?=
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---
 Assets/MeshUtility/Editor/HumanoidEditor.cs          | 2 +-
 Assets/MeshUtility/Runtime/Humanoid.cs               | 6 +++---
 Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs | 4 ++--
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/Assets/MeshUtility/Editor/HumanoidEditor.cs b/Assets/MeshUtility/Editor/HumanoidEditor.cs
index dcdbbac63..f9a99cfc1 100644
--- a/Assets/MeshUtility/Editor/HumanoidEditor.cs
+++ b/Assets/MeshUtility/Editor/HumanoidEditor.cs
@@ -200,7 +200,7 @@ namespace MeshUtility
         static string GetDialogDir(UnityEngine.Object obj)
         {
             var prefab = PrefabUtility.GetCorrespondingObjectFromSource(obj);
-            if (prefab is null)
+            if (prefab == null)
             {
                 return null;
             }
diff --git a/Assets/MeshUtility/Runtime/Humanoid.cs b/Assets/MeshUtility/Runtime/Humanoid.cs
index 10db7335f..c6d619483 100644
--- a/Assets/MeshUtility/Runtime/Humanoid.cs
+++ b/Assets/MeshUtility/Runtime/Humanoid.cs
@@ -102,7 +102,7 @@ namespace MeshUtility
         {
             foreach (var prop in props)
             {
-                if (prop.Item2 is null)
+                if (prop.Item2 == null)
                 {
                     var name = prop.Item1;
                     if (name.StartsWith("m_"))
@@ -406,12 +406,12 @@ namespace MeshUtility
         public bool AssignBonesFromAnimator()
         {
             var animator = GetComponent<Animator>();
-            if (animator is null)
+            if (animator == null)
             {
                 return false;
             }
             var avatar = animator.avatar;
-            if (avatar is null)
+            if (avatar == null)
             {
                 return false;
             }
diff --git a/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs b/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
index 97854aecd..8036f1681 100644
--- a/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
+++ b/Assets/VRM/UniVRM/Editor/Format/VRMExporterWizard.cs
@@ -131,7 +131,7 @@ namespace VRM
 
         static Vector3 GetForward(Transform l, Transform r)
         {
-            if (l is null || r is null)
+            if (l == null || r == null)
             {
                 return Vector3.zero;
             }
@@ -322,7 +322,7 @@ namespace VRM
         {
             get
             {
-                if (s_func is null)
+                if (s_func == null)
                 {
                     var methods = typeof(EditorGUILayout).GetMethods(BindingFlags.Static | BindingFlags.NonPublic).Where(x => x.Name == "BeginVerticalScrollView").ToArray();
                     var method = methods.First(x => x.GetParameters()[1].ParameterType == typeof(bool));