Merge pull request #1839 from ousttrue/feature/gltf_sample

SimpleViewer の更新
2026-08-22 02:24:57 -05:00 · 2022-10-04 15:13:32 +09:00
parent e670fd66e3 6e36862b1c
commit 952456ccd0
31 changed files with 1611 additions and 388 deletions
--- a/Assets/UniGLTF_Samples.meta
+++ b/Assets/UniGLTF_Samples.meta
@@ -0,0 +1,8 @@
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--- a/Assets/UniGLTF_Samples/GltfViewer.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer.meta
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--- a/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.asmdef
+++ b/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.asmdef
@@ -0,0 +1,17 @@
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--- a/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.asmdef.meta
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--- a/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.cs
+++ b/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.cs
@@ -0,0 +1,61 @@
+using System;
+using UnityEngine;
+
+namespace UniGLTF.GltfViewer
+{
+    public class GltfViewer : MonoBehaviour
+    {
+        RuntimeGltfInstance _instance;
+
+        // Start is called before the first frame update
+        void Start()
+        {
+
+        }
+
+        // Update is called once per frame
+        void Update()
+        {
+
+        }
+
+        public void OnOpenClicked()
+        {
+            var path = OpenFileDialog.Show("open gltf", "glb", "gltf", "zip");
+            if (!path.Exists)
+            {
+                return;
+            }
+            Debug.Log($"open: {path}");
+
+            LoadPathAsync(path);
+        }
+
+        async void LoadPathAsync(VRMShaders.PathObject path)
+        {
+            if (_instance)
+            {
+                // clear prev
+                _instance.Dispose();
+                _instance = null;
+            }
+
+            var sw = System.Diagnostics.Stopwatch.StartNew();
+            try
+            {
+                _instance = await GltfUtility.LoadAsync(path.FullPath);
+                if (_instance == null)
+                {
+                    Debug.LogWarning("LoadAsync: null");
+                    return;
+                }
+                Debug.Log($"LoadAsync: {sw.Elapsed}");
+                _instance.ShowMeshes();
+            }
+            catch (Exception ex)
+            {
+                Debug.LogException(ex);
+            }
+        }
+    }
+}
--- a/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.cs.meta
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--- a/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.unity.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer/GltfViewer.unity.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
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--- a/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 44073a3a41740aa4c8ce824d40628209
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/FileDialogForWindows.cs
+++ b/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/FileDialogForWindows.cs
@@ -0,0 +1,116 @@
+#if UNITY_STANDALONE_WIN
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+
+
+namespace UniGLTF.GltfViewer
+{
+    public static class FileDialogForWindows
+    {
+#region GetOpenFileName
+        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
+        public class OpenFileName
+        {
+            public int structSize = 0;
+            public IntPtr dlgOwner = IntPtr.Zero;
+            public IntPtr instance = IntPtr.Zero;
+            public String filter = null;
+            public String customFilter = null;
+            public int maxCustFilter = 0;
+            public int filterIndex = 0;
+            public String file = null;
+            public int maxFile = 0;
+            public String fileTitle = null;
+            public int maxFileTitle = 0;
+            public String initialDir = null;
+            public String title = null;
+            public int flags = 0;
+            public short fileOffset = 0;
+            public short fileExtension = 0;
+            public String defExt = null;
+            public IntPtr custData = IntPtr.Zero;
+            public IntPtr hook = IntPtr.Zero;
+            public String templateName = null;
+            public IntPtr reservedPtr = IntPtr.Zero;
+            public int reservedInt = 0;
+            public int flagsEx = 0;
+        }
+
+        [DllImport("Comdlg32.dll", SetLastError = true, ThrowOnUnmappableChar = true, CharSet = CharSet.Auto)]
+        public static extern bool GetOpenFileName([In, Out] OpenFileName ofn);
+        /*
+        public static bool GetOpenFileName1([In, Out] OpenFileName ofn)
+        {
+            return GetOpenFileName(ofn);
+        }
+        */
+
+        [DllImport("Comdlg32.dll", SetLastError = true, CharSet = CharSet.Auto)]
+        private static extern bool GetSaveFileName([In, Out] OpenFileName ofn);
+
+        static string Filter(params string[] filters)
+        {
+            return string.Join("\0", filters) + "\0";
+        }
+        public static string FileDialog(string title, params string[] extensions)
+        {
+            OpenFileName ofn = new OpenFileName();
+            ofn.structSize = Marshal.SizeOf(ofn);
+
+            var filters = new List<string>();
+            filters.Add("All Files"); filters.Add("*.*");
+            foreach(var ext in extensions)
+            {
+                filters.Add(ext); filters.Add("*" + ext);
+            }
+            ofn.filter = Filter(filters.ToArray());
+            ofn.filterIndex = 2;
+            ofn.file = new string(new char[256]);
+            ofn.maxFile = ofn.file.Length;
+            ofn.fileTitle = new string(new char[64]);
+            ofn.maxFileTitle = ofn.fileTitle.Length;
+            ofn.initialDir = UnityEngine.Application.dataPath;
+            ofn.title = title;
+            //ofn.defExt = "PNG";
+            ofn.flags = 0x00080000 | 0x00001000 | 0x00000800 | 0x00000200 | 0x00000008;//OFN_EXPLORER|OFN_FILEMUSTEXIST|OFN_PATHMUSTEXIST| OFN_ALLOWMULTISELECT|OFN_NOCHANGEDIR
+            if (!GetOpenFileName(ofn))
+            {
+                return null;
+            }
+
+            return ofn.file;
+        }
+        public static string SaveDialog(string title, string path)
+        {
+            var extension = Path.GetExtension(path);
+            OpenFileName ofn = new OpenFileName();
+            ofn.structSize = Marshal.SizeOf(ofn);
+            ofn.filter = Filter("All Files", "*.*", extension, "*" + extension);
+            ofn.filterIndex = 2;
+            var chars = new char[256];
+            var it = Path.GetFileName(path).GetEnumerator();
+            for (int i = 0; i < chars.Length && it.MoveNext(); ++i)
+            {
+                chars[i] = it.Current;
+            }
+            ofn.file = new string(chars);
+            ofn.maxFile = ofn.file.Length;
+            ofn.fileTitle = new string(new char[64]);
+            ofn.maxFileTitle = ofn.fileTitle.Length;
+            ofn.initialDir = Path.GetDirectoryName(path);
+            ofn.title = title;
+            //ofn.defExt = "PNG";
+            ofn.flags = 0x00000002 | 0x00000004; // OFN_OVERWRITEPROMPT | OFN_HIDEREADONLY;
+            if (!GetSaveFileName(ofn))
+            {
+                return null;
+            }
+
+            return ofn.file;
+        }
+#endregion
+    }
+}
+#endif
--- a/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/FileDialogForWindows.cs.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/FileDialogForWindows.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: 649d78dc96acf5b4f83d54cd1859e940
+guid: 130cf24d92d108741b04d52ef7eabe13
 timeCreated: 1524038001
 licenseType: Free
 MonoImporter:
--- a/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/OpenFileDialog.cs
+++ b/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/OpenFileDialog.cs
@@ -0,0 +1,14 @@
+namespace UniGLTF.GltfViewer
+{
+    public static class OpenFileDialog
+    {
+        public static VRMShaders.PathObject Show(string title, params string[] extensions)
+        {
+#if UNITY_STANDALONE_WIN
+            return VRMShaders.PathObject.FromFullPath(FileDialogForWindows.FileDialog(title, extensions));
+#else
+            return default;
+#endif
+        }
+    }
+}
--- a/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/OpenFileDialog.cs.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer/OpenFileDialog/OpenFileDialog.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0858a09f3d204dc458e9476faf4693d4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/UniGLTF_Samples/GltfViewer/TurnTableCamera.cs
+++ b/Assets/UniGLTF_Samples/GltfViewer/TurnTableCamera.cs
@@ -0,0 +1,142 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+
+namespace UniGLTF.GltfViewer
+{
+    public class TurnTableCamera : MonoBehaviour
+    {
+        [Range(0.1f, 5.0f)]
+        public float RotateSpeed = 0.7f;
+
+        [Range(0.1f, 5.0f)]
+        public float GrabSpeed = 0.7f;
+
+        [Range(0.1f, 5.0f)]
+        public float DollySpeed = 1.0f;
+
+        struct PosRot
+        {
+            public Vector3 Position;
+            public Quaternion Rotation;
+        }
+
+        class TurnTable
+        {
+            public float Yaw;
+            public float Pitch;
+            public float ShiftX;
+            public float ShiftY;
+            public float Distance = 2.0f;
+
+            public void Rotate(float x, float y)
+            {
+                Yaw += x;
+                Pitch -= y;
+                Pitch = Mathf.Clamp(Pitch, -90, 90);
+            }
+
+            public void Grab(float x, float y)
+            {
+                ShiftX += x * Distance;
+                ShiftY += y * Distance;
+            }
+
+            public void Dolly(float delta)
+            {
+                if (delta > 0)
+                {
+                    Distance *= 0.9f;
+                }
+                else if (delta < 0)
+                {
+                    Distance *= 1.1f;
+                }
+            }
+
+            public PosRot Calc()
+            {
+                var r = Quaternion.Euler(Pitch, Yaw, 0);
+                return new PosRot
+                {
+                    Position = r * new Vector3(-ShiftX, -ShiftY, -Distance),
+                    Rotation = r,
+                };
+            }
+        }
+        private TurnTable _currentCamera = new TurnTable();
+
+        private List<Coroutine> _activeCoroutines = new List<Coroutine>();
+        private void OnEnable()
+        {
+            // left mouse drag
+            _activeCoroutines.Add(StartCoroutine(MouseDragOperationCoroutine(0, diff =>
+            {
+                _currentCamera.Rotate(diff.x * RotateSpeed, diff.y * RotateSpeed);
+            })));
+            // right mouse drag
+            _activeCoroutines.Add(StartCoroutine(MouseDragOperationCoroutine(1, diff =>
+            {
+                _currentCamera.Rotate(diff.x * RotateSpeed, diff.y * RotateSpeed);
+            })));
+            // middle mouse drag
+            _activeCoroutines.Add(StartCoroutine(MouseDragOperationCoroutine(2, diff =>
+            {
+                _currentCamera.Grab(
+                    diff.x * GrabSpeed / Screen.height,
+                    diff.y * GrabSpeed / Screen.height
+                    );
+            })));
+            // mouse wheel
+            _activeCoroutines.Add(StartCoroutine(MouseScrollOperationCoroutine(diff =>
+            {
+                _currentCamera.Dolly(diff.y * DollySpeed);
+            })));
+        }
+        private void OnDisable()
+        {
+            foreach (var coroutine in _activeCoroutines)
+            {
+                StopCoroutine(coroutine);
+            }
+            _activeCoroutines.Clear();
+        }
+        private void Update()
+        {
+            var posRot = _currentCamera.Calc();
+
+            transform.localRotation = posRot.Rotation;
+            transform.localPosition = posRot.Position;
+        }
+        private IEnumerator MouseDragOperationCoroutine(int buttonIndex, Action<Vector2> dragOperation)
+        {
+            while (true)
+            {
+                while (!Input.GetMouseButtonDown(buttonIndex))
+                {
+                    yield return null;
+                }
+                var prevPos = Input.mousePosition;
+                while (Input.GetMouseButton(buttonIndex))
+                {
+                    var currPos = Input.mousePosition;
+                    var diff = currPos - prevPos;
+                    dragOperation(diff);
+
+                    prevPos = currPos;
+                    yield return null;
+                }
+            }
+        }
+        private IEnumerator MouseScrollOperationCoroutine(Action<Vector2> scrollOperation)
+        {
+            while (true)
+            {
+                scrollOperation(Input.mouseScrollDelta);
+                yield return null;
+            }
+        }
+    }
+}
--- a/Assets/UniGLTF_Samples/GltfViewer/TurnTableCamera.cs.meta
+++ b/Assets/UniGLTF_Samples/GltfViewer/TurnTableCamera.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: e4bd97e0a95b5344a8369face780725d
+timeCreated: 1523878901
+licenseType: Pro
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM/Editor/Format/VRMSampleCopy.cs
+++ b/Assets/VRM/Editor/Format/VRMSampleCopy.cs
@@ -17,12 +17,16 @@ namespace VRM
        /// Assets/VRM10/Samples~
        /// にコピーする
        /// 
-        /// 南無
+        /// Assets/UniGLTF_Samples
+        /// を
+        /// Assets/UniGLTF/Samples~
+        /// にコピーする
        /// </summary>
        public static void Execute()
        {
            Copy(Path.Combine(Application.dataPath, "VRM_Samples"), Path.Combine(Application.dataPath, "VRM/Samples~"));
            Copy(Path.Combine(Application.dataPath, "VRM10_Samples"), Path.Combine(Application.dataPath, "VRM10/Samples~"));
+            Copy(Path.Combine(Application.dataPath, "UniGLTF_Samples"), Path.Combine(Application.dataPath, "UniGLTF/Samples~"));
        }

        static void Copy(string srcDir, string dstDir)
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs
@@ -0,0 +1,168 @@
+using System;
+using UniGLTF;
+using UniGLTF.Utils;
+using UnityEngine;
+
+namespace UniVRM10.VRM10Viewer
+{
+    class Loaded : IDisposable
+    {
+        RuntimeGltfInstance m_instance;
+        Vrm10Instance m_controller;
+
+        VRM10AIUEO m_lipSync;
+        bool m_enableLipSyncValue;
+        public bool EnableLipSyncValue
+        {
+            set
+            {
+                if (m_enableLipSyncValue == value) return;
+                m_enableLipSyncValue = value;
+                if (m_lipSync != null)
+                {
+                    m_lipSync.enabled = m_enableLipSyncValue;
+                }
+            }
+        }
+
+        VRM10AutoExpression m_autoExpression;
+        bool m_enableAutoExpressionValue;
+        public bool EnableAutoExpressionValue
+        {
+            set
+            {
+                if (m_enableAutoExpressionValue == value) return;
+                m_enableAutoExpressionValue = value;
+                if (m_autoExpression != null)
+                {
+                    m_autoExpression.enabled = m_enableAutoExpressionValue;
+                }
+            }
+        }
+
+        VRM10Blinker m_blink;
+        bool m_enableBlinkValue;
+        public bool EnableBlinkValue
+        {
+            set
+            {
+                if (m_blink == value) return;
+                m_enableBlinkValue = value;
+                if (m_blink != null)
+                {
+                    m_blink.enabled = m_enableBlinkValue;
+                }
+            }
+        }
+
+        public Loaded(RuntimeGltfInstance instance, Transform lookAtTarget)
+        {
+            m_instance = instance;
+
+            m_controller = instance.GetComponent<Vrm10Instance>();
+            if (m_controller != null)
+            {
+                // VRM
+                m_controller.UpdateType = Vrm10Instance.UpdateTypes.LateUpdate; // after HumanPoseTransfer's setPose
+                {
+                    m_lipSync = instance.gameObject.AddComponent<VRM10AIUEO>();
+                    m_blink = instance.gameObject.AddComponent<VRM10Blinker>();
+                    m_autoExpression = instance.gameObject.AddComponent<VRM10AutoExpression>();
+
+                    m_controller.LookAtTargetType = VRM10ObjectLookAt.LookAtTargetTypes.CalcYawPitchToGaze;
+                    m_controller.Gaze = lookAtTarget;
+                }
+            }
+
+            var animation = instance.GetComponent<Animation>();
+            if (animation && animation.clip != null)
+            {
+                // GLTF animation
+                animation.Play(animation.clip.name);
+            }
+        }
+
+        public void Dispose()
+        {
+            // destroy GameObject
+            GameObject.Destroy(m_instance.gameObject);
+        }
+
+        /// <summary>
+        /// from v0.103
+        /// </summary>
+        /// <param name="src"></param>
+        public void UpdateControlRigExplicit(Animator src)
+        {
+            var controlRig = m_controller.Runtime.ControlRig;
+
+            foreach (HumanBodyBones bone in CachedEnum.GetValues<HumanBodyBones>())
+            {
+                if (bone == HumanBodyBones.LastBone)
+                {
+                    continue;
+                }
+
+                var controlRigBone = controlRig.GetBoneTransform(bone);
+                if (controlRigBone == null)
+                {
+                    continue;
+                }
+
+                var bvhBone = src.GetBoneTransform(bone);
+                if (bvhBone != null)
+                {
+                    // set normalized pose
+                    controlRigBone.localRotation = bvhBone.localRotation;
+                }
+
+                if (bone == HumanBodyBones.Hips)
+                {
+                    controlRigBone.localPosition = bvhBone.localPosition * controlRig.InitialHipsHeight;
+                }
+            }
+        }
+
+        /// <summary>
+        /// from v0.104
+        /// </summary>
+        /// <param name="src"></param>
+        public void UpdateControlRigImplicit(Animator src)
+        {
+            var dst = m_controller.GetComponent<Animator>();
+
+            foreach (HumanBodyBones bone in CachedEnum.GetValues<HumanBodyBones>())
+            {
+                if (bone == HumanBodyBones.LastBone)
+                {
+                    continue;
+                }
+
+                var boneTransform = dst.GetBoneTransform(bone);
+                if (boneTransform == null)
+                {
+                    continue;
+                }
+
+                var bvhBone = src.GetBoneTransform(bone);
+                if (bvhBone != null)
+                {
+                    // set normalized pose
+                    boneTransform.localRotation = bvhBone.localRotation;
+                }
+
+                if (bone == HumanBodyBones.Hips)
+                {
+                    // TODO: hips position scaling ?
+                    boneTransform.localPosition = bvhBone.localPosition;
+                }
+            }
+        }
+
+        public void TPoseControlRig()
+        {
+            var controlRig = m_controller.Runtime.ControlRig;
+            controlRig.EnforceTPose();
+        }
+    }
+}
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs.meta
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 0565f187ccc74bf41a4ce6d534422efa
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
@@ -3,7 +3,6 @@ using System.IO;
 using System.Linq;
 using System.Threading;
 using UniGLTF;
-using UniGLTF.Utils;
 using UniHumanoid;
 using UnityEngine;
 using UnityEngine.UI;
@@ -190,127 +189,6 @@ namespace UniVRM10.VRM10Viewer
            m_target = GameObject.FindObjectOfType<VRM10TargetMover>().gameObject;
        }

-        class Loaded : IDisposable
-        {
-            RuntimeGltfInstance m_instance;
-            Vrm10Instance m_controller;
-
-            VRM10AIUEO m_lipSync;
-            bool m_enableLipSyncValue;
-            public bool EnableLipSyncValue
-            {
-                set
-                {
-                    if (m_enableLipSyncValue == value) return;
-                    m_enableLipSyncValue = value;
-                    if (m_lipSync != null)
-                    {
-                        m_lipSync.enabled = m_enableLipSyncValue;
-                    }
-                }
-            }
-
-            VRM10AutoExpression m_autoExpression;
-            bool m_enableAutoExpressionValue;
-            public bool EnableAutoExpressionValue
-            {
-                set
-                {
-                    if (m_enableAutoExpressionValue == value) return;
-                    m_enableAutoExpressionValue = value;
-                    if (m_autoExpression != null)
-                    {
-                        m_autoExpression.enabled = m_enableAutoExpressionValue;
-                    }
-                }
-            }
-
-            VRM10Blinker m_blink;
-            bool m_enableBlinkValue;
-            public bool EnableBlinkValue
-            {
-                set
-                {
-                    if (m_blink == value) return;
-                    m_enableBlinkValue = value;
-                    if (m_blink != null)
-                    {
-                        m_blink.enabled = m_enableBlinkValue;
-                    }
-                }
-            }
-
-            public Loaded(RuntimeGltfInstance instance, Transform lookAtTarget)
-            {
-                m_instance = instance;
-
-                m_controller = instance.GetComponent<Vrm10Instance>();
-                if (m_controller != null)
-                {
-                    // VRM
-                    m_controller.UpdateType = Vrm10Instance.UpdateTypes.LateUpdate; // after HumanPoseTransfer's setPose
-                    {
-                        m_lipSync = instance.gameObject.AddComponent<VRM10AIUEO>();
-                        m_blink = instance.gameObject.AddComponent<VRM10Blinker>();
-                        m_autoExpression = instance.gameObject.AddComponent<VRM10AutoExpression>();
-
-                        m_controller.LookAtTargetType = VRM10ObjectLookAt.LookAtTargetTypes.CalcYawPitchToGaze;
-                        m_controller.Gaze = lookAtTarget;
-                    }
-                }
-
-                var animation = instance.GetComponent<Animation>();
-                if (animation && animation.clip != null)
-                {
-                    // GLTF animation
-                    animation.Play(animation.clip.name);
-                }
-            }
-
-            public void Dispose()
-            {
-                // destroy GameObject
-                GameObject.Destroy(m_instance.gameObject);
-            }
-
-            public void UpdatePose(bool useBvh, Animator bvhAnimator)
-            {
-                var controlRig = m_controller.Runtime.ControlRig;
-
-                foreach (HumanBodyBones bone in CachedEnum.GetValues<HumanBodyBones>())
-                {
-                    if (bone == HumanBodyBones.LastBone)
-                    {
-                        continue;
-                    }
-
-                    var controlRigBone = controlRig.GetBoneTransform(bone);
-                    if (controlRigBone == null)
-                    {
-                        continue;
-                    }
-
-                    if (useBvh && bvhAnimator != null)
-                    {
-                        var bvhBone = bvhAnimator.GetBoneTransform(bone);
-                        if (bvhBone != null)
-                        {
-                            // set normalized pose
-                            controlRigBone.localRotation = bvhBone.localRotation;
-                        }
-
-                        if (bone == HumanBodyBones.Hips)
-                        {
-                            controlRigBone.localPosition = bvhBone.localPosition * controlRig.InitialHipsHeight;
-                        }
-                    }
-                    else
-                    {
-                        controlRig.EnforceTPose();
-                    }
-                }
-            }
-        }
        Loaded m_loaded;

        private void Start()
@@ -344,7 +222,8 @@ namespace UniVRM10.VRM10Viewer
            var context = new UniHumanoid.BvhImporterContext();
            context.Parse("tmp.bvh", source);
            context.Load();
-            SetMotion(context.Root.GetComponent<Animator>());
+            m_src = context.Root.GetComponent<Animator>();
+            m_ui.IsBvhEnabled = true;
        }

        private void Update()
@@ -371,14 +250,21 @@ namespace UniVRM10.VRM10Viewer

            if (m_loaded != null)
            {
-                m_loaded.UpdatePose(m_ui.IsBvhEnabled, m_src);
+                if (m_ui.IsBvhEnabled && m_src != null)
+                {
+                    m_loaded.UpdateControlRigImplicit(m_src);
+                }
+                else
+                {
+                    m_loaded.TPoseControlRig();
+                }
            }
        }

        void OnOpenClicked()
        {
 #if UNITY_STANDALONE_WIN
-            var path = VRM10FileDialogForWindows.FileDialog("open VRM", "vrm", "glb", "bvh", "gltf", "zip");
+            var path = VRM10FileDialogForWindows.FileDialog("open VRM", "vrm", "bvh");
 #elif UNITY_EDITOR
            var path = UnityEditor.EditorUtility.OpenFilePanel("Open VRM", "", "vrm");
 #else
@@ -390,19 +276,19 @@ namespace UniVRM10.VRM10Viewer
            }

            var ext = Path.GetExtension(path).ToLower();
-            switch (ext)
+            if (ext == ".bvh")
            {
-                case ".gltf":
-                case ".glb":
-                case ".vrm":
-                case ".zip":
-                    LoadModel(path);
-                    break;
-
-                case ".bvh":
-                    LoadMotion(path);
-                    break;
+                LoadMotion(path);
+                return;
            }
+
+            if (ext != ".vrm")
+            {
+                Debug.LogWarning($"{path} is not vrm");
+                return;
+            }
+
+            LoadModel(path);
        }

        static IMaterialDescriptorGenerator GetVrmMaterialDescriptorGenerator(bool useUrp)
@@ -431,11 +317,9 @@ namespace UniVRM10.VRM10Viewer

        async void LoadModel(string path)
        {
-            if (!File.Exists(path))
-            {
-                return;
-            }
-
+            // cleanup
+            m_loaded?.Dispose();
+            m_loaded = null;
            _cancellationTokenSource?.Dispose();
            _cancellationTokenSource = new CancellationTokenSource();
            var cancellationToken = _cancellationTokenSource.Token;
@@ -450,38 +334,22 @@ namespace UniVRM10.VRM10Viewer
                    materialGenerator: GetVrmMaterialDescriptorGenerator(m_useUrpMaterial.isOn),
                    vrmMetaInformationCallback: m_texts.UpdateMeta,
                    ct: cancellationToken);
-                if (vrm10Instance != null)
+                if (cancellationToken.IsCancellationRequested)
                {
-                    // test. error にならなければよい
-                    vrm10Instance.Runtime.Expression.SetWeight(ExpressionKey.Aa, 0);
-
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        UnityObjectDestoyer.DestroyRuntimeOrEditor(vrm10Instance.gameObject);
-                        cancellationToken.ThrowIfCancellationRequested();
-                    }
-
-                    SetModel(vrm10Instance.GetComponent<RuntimeGltfInstance>());
+                    UnityObjectDestoyer.DestroyRuntimeOrEditor(vrm10Instance.gameObject);
+                    cancellationToken.ThrowIfCancellationRequested();
                }
-                else
+
+                if (vrm10Instance == null)
                {
-                    // NOTE: load as glTF model if failed to load as VRM 1.0.
-                    // TODO: Hand over CancellationToken
-                    var gltfModel = await GltfUtility.LoadAsync(path,
-                    awaitCaller: m_useAsync.enabled ? (IAwaitCaller)new RuntimeOnlyAwaitCaller() : (IAwaitCaller)new ImmediateCaller());
-                    if (gltfModel == null)
-                    {
-                        throw new Exception("Failed to load the file as glTF format.");
-                    }
-
-                    if (cancellationToken.IsCancellationRequested)
-                    {
-                        gltfModel.Dispose();
-                        cancellationToken.ThrowIfCancellationRequested();
-                    }
-
-                    SetModel(gltfModel);
+                    Debug.LogWarning("LoadPathAsync is null");
+                    return;
                }
+
+                var instance = vrm10Instance.GetComponent<RuntimeGltfInstance>();
+                instance.ShowMeshes();
+                instance.EnableUpdateWhenOffscreen();
+                m_loaded = new Loaded(instance, m_target.transform);
            }
            catch (Exception ex)
            {
@@ -496,25 +364,5 @@ namespace UniVRM10.VRM10Viewer
                }
            }
        }
-
-        void SetModel(RuntimeGltfInstance instance)
-        {
-            // cleanup
-            if (m_loaded != null)
-            {
-                m_loaded.Dispose();
-                m_loaded = null;
-            }
-
-            instance.ShowMeshes();
-            instance.EnableUpdateWhenOffscreen();
-            m_loaded = new Loaded(instance, m_target.transform);
-        }
-
-        void SetMotion(Animator src)
-        {
-            m_src = src;
-            m_ui.IsBvhEnabled = true;
-        }
    }
 }
--- a/Assets/VRMShaders/GLTF/IO/Runtime/PathObject.cs
+++ b/Assets/VRMShaders/GLTF/IO/Runtime/PathObject.cs
--- a/Assets/VRMShaders/GLTF/IO/Runtime/PathObject.cs.meta
+++ b/Assets/VRMShaders/GLTF/IO/Runtime/PathObject.cs.meta
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog.meta
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog.meta
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 5b0aac758a2a5ab42aab2ccf5cf5480a
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/FileDialogForWindows.cs
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/FileDialogForWindows.cs
@@ -3,14 +3,13 @@ using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Runtime.InteropServices;
-#endif


 namespace VRM.SimpleViewer
 {
    public static class FileDialogForWindows
    {
-#if UNITY_STANDALONE_WIN
+
        #region GetOpenFileName
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        public class OpenFileName
@@ -63,7 +62,7 @@ namespace VRM.SimpleViewer

            var filters = new List<string>();
            filters.Add("All Files"); filters.Add("*.*");
-            foreach(var ext in extensions)
+            foreach (var ext in extensions)
            {
                filters.Add(ext); filters.Add("*" + ext);
            }
@@ -113,6 +112,6 @@ namespace VRM.SimpleViewer
            return ofn.file;
        }
        #endregion
-#endif
    }
 }
+#endif
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/FileDialogForWindows.cs.meta
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/FileDialogForWindows.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8a56b2b48ad6a1a4897d1de96cac39db
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/FileUtil.cs
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/FileUtil.cs
@@ -0,0 +1,25 @@
+namespace VRM.SimpleViewer
+{
+    public static class FileUtil
+    {
+        public static string OpenFileDialog(string title, params string[] extensions)
+        {
+#if UNITY_STANDALONE_WIN
+            return FileDialogForWindows.FileDialog("open VRM", "vrm", "bvh");
+#elif UNITY_WEBGL
+            // Open WebGLFileDialog
+            // see: Assets\VRM_Samples\SimpleViewer\Plugins\OpenFile.jslib
+            WebGLFileDialog();
+            // Control flow does not return here. return empty string with dummy
+            return "";
+#elif UNITY_EDITOR
+            // EditorUtility.OpenFilePanel
+            // TODO: How to specify multiple extensions on OSX?
+            return UnityEditor.EditorUtility.OpenFilePanel("Open VRM", "", "vrm");
+#else
+            // fall back constant path
+            return Application.dataPath + "/default.vrm";
+#endif
+        }
+    }
+}
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/FileUtil.cs.meta
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/FileUtil.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 952ae2eb9c0c59b4ba3ed6344bd867c4
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/WebGLUtil.cs
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/WebGLUtil.cs
@@ -0,0 +1,12 @@
+#if UNITY_WEBGL
+using System.Runtime.InteropServices;
+
+namespace VRM.SimpleViewer
+{
+    public static class WebGLUtil
+    {
+        [DllImport("__Internal")]
+        public static extern void WebGLFileDialog();
+    }
+}
+#endif
--- a/Assets/VRM_Samples/SimpleViewer/FileDialog/WebGLUtil.cs.meta
+++ b/Assets/VRM_Samples/SimpleViewer/FileDialog/WebGLUtil.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: b12500e13ead097488e89244d024ed2d
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM_Samples/SimpleViewer/Loaded.cs
+++ b/Assets/VRM_Samples/SimpleViewer/Loaded.cs
@@ -0,0 +1,118 @@
+using System;
+using UniGLTF;
+using UniHumanoid;
+using UnityEngine;
+
+namespace VRM.SimpleViewer
+{
+    class Loaded : IDisposable
+    {
+        RuntimeGltfInstance _instance;
+        VRMBlendShapeProxy m_proxy;
+
+        Blinker m_blink;
+        bool m_enableBlinkValue;
+        public bool EnableBlinkValue
+        {
+            set
+            {
+                if (m_blink == value) return;
+                m_enableBlinkValue = value;
+                if (m_blink != null)
+                {
+                    m_blink.enabled = m_enableBlinkValue;
+                }
+            }
+        }
+
+        AIUEO m_lipSync;
+        bool m_enableLipSyncValue;
+        public bool EnableLipSyncValue
+        {
+            set
+            {
+                if (m_enableLipSyncValue == value) return;
+                m_enableLipSyncValue = value;
+                if (m_lipSync != null)
+                {
+                    m_lipSync.enabled = m_enableLipSyncValue;
+                }
+            }
+        }
+
+        public Loaded(RuntimeGltfInstance instance, HumanPoseTransfer src, Transform lookAtTarget)
+        {
+            _instance = instance;
+
+            var lookAt = instance.GetComponent<VRMLookAtHead>();
+            if (lookAt != null)
+            {
+                // vrm
+                _pose = _instance.gameObject.AddComponent<HumanPoseTransfer>();
+                _pose.Source = src;
+                _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseTransfer;
+
+                m_lipSync = instance.gameObject.AddComponent<AIUEO>();
+                m_blink = instance.gameObject.AddComponent<Blinker>();
+
+                lookAt.Target = lookAtTarget;
+                lookAt.UpdateType = UpdateType.LateUpdate; // after HumanPoseTransfer's setPose
+
+                m_proxy = instance.GetComponent<VRMBlendShapeProxy>();
+            }
+
+            // not vrm
+            var animation = instance.GetComponent<Animation>();
+            if (animation && animation.clip != null)
+            {
+                animation.Play(animation.clip.name);
+            }
+        }
+
+        public void Dispose()
+        {
+            // Destroy game object. not RuntimeGltfInstance
+            GameObject.Destroy(_instance.gameObject);
+        }
+
+        public void Update()
+        {
+            if (m_proxy != null)
+            {
+                m_proxy.Apply();
+            }
+        }
+
+        HumanPoseTransfer _pose;
+
+
+        public void EnableBvh(HumanPoseTransfer src)
+        {
+            if (_pose != null)
+            {
+                _pose.Source = src;
+                _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseTransfer;
+            }
+        }
+
+        public void EnableTPose(HumanPoseClip pose)
+        {
+            if (_pose != null)
+            {
+                _pose.PoseClip = pose;
+                _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseClip;
+            }
+        }
+
+        public void ResetSpring()
+        {
+            if (_pose != null)
+            {
+                foreach (var spring in _pose.GetComponentsInChildren<VRMSpringBone>())
+                {
+                    spring.Setup();
+                }
+            }
+        }
+    }
+}
--- a/Assets/VRM_Samples/SimpleViewer/Loaded.cs.meta
+++ b/Assets/VRM_Samples/SimpleViewer/Loaded.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: cd86f9044da608b4883f7bec5167a160
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/VRM_Samples/SimpleViewer/ViewerUI.cs
+++ b/Assets/VRM_Samples/SimpleViewer/ViewerUI.cs
@@ -2,7 +2,6 @@
 using System.Collections;
 using System.IO;
 using System.Linq;
-using System.Runtime.InteropServices;
 using System.Threading.Tasks;
 using UniGLTF;
 using UniHumanoid;
@@ -13,13 +12,11 @@ using VRMShaders;

 namespace VRM.SimpleViewer
 {
+    /// <summary>
+    /// UI event handling
+    /// </summary>
    public class ViewerUI : MonoBehaviour
    {
-#if UNITY_WEBGL
-        [DllImport("__Internal")]
-        private static extern void WebGLFileDialog();
-#endif
-
        #region UI
        [SerializeField]
        Text m_version = default;
@@ -196,118 +193,8 @@ namespace VRM.SimpleViewer
            m_target = GameObject.FindObjectOfType<TargetMover>().gameObject;
        }

-        class Loaded : IDisposable
-        {
-            RuntimeGltfInstance _instance;
-            HumanPoseTransfer _pose;
-            VRMBlendShapeProxy m_proxy;
-
-            Blinker m_blink;
-            bool m_enableBlinkValue;
-            public bool EnableBlinkValue
-            {
-                set
-                {
-                    if (m_blink == value) return;
-                    m_enableBlinkValue = value;
-                    if (m_blink != null)
-                    {
-                        m_blink.enabled = m_enableBlinkValue;
-                    }
-                }
-            }
-
-            AIUEO m_lipSync;
-            bool m_enableLipSyncValue;
-            public bool EnableLipSyncValue
-            {
-                set
-                {
-                    if (m_enableLipSyncValue == value) return;
-                    m_enableLipSyncValue = value;
-                    if (m_lipSync != null)
-                    {
-                        m_lipSync.enabled = m_enableLipSyncValue;
-                    }
-                }
-            }
-
-            public Loaded(RuntimeGltfInstance instance, HumanPoseTransfer src, Transform lookAtTarget)
-            {
-                _instance = instance;
-
-                var lookAt = instance.GetComponent<VRMLookAtHead>();
-                if (lookAt != null)
-                {
-                    // vrm
-                    _pose = _instance.gameObject.AddComponent<HumanPoseTransfer>();
-                    _pose.Source = src;
-                    _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseTransfer;
-
-                    m_lipSync = instance.gameObject.AddComponent<AIUEO>();
-                    m_blink = instance.gameObject.AddComponent<Blinker>();
-
-                    lookAt.Target = lookAtTarget;
-                    lookAt.UpdateType = UpdateType.LateUpdate; // after HumanPoseTransfer's setPose
-
-                    m_proxy = instance.GetComponent<VRMBlendShapeProxy>();
-                }
-
-                // not vrm
-                var animation = instance.GetComponent<Animation>();
-                if (animation && animation.clip != null)
-                {
-                    animation.Play(animation.clip.name);
-                }
-            }
-
-            public void Dispose()
-            {
-                // Destroy game object. not RuntimeGltfInstance
-                GameObject.Destroy(_instance.gameObject);
-            }
-
-            public void EnableBvh(HumanPoseTransfer src)
-            {
-                if (_pose != null)
-                {
-                    _pose.Source = src;
-                    _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseTransfer;
-                }
-            }
-
-            public void EnableTPose(HumanPoseClip pose)
-            {
-                if (_pose != null)
-                {
-                    _pose.PoseClip = pose;
-                    _pose.SourceType = HumanPoseTransfer.HumanPoseTransferSourceType.HumanPoseClip;
-                }
-            }
-
-            public void OnResetClicked()
-            {
-                if (_pose != null)
-                {
-                    foreach (var spring in _pose.GetComponentsInChildren<VRMSpringBone>())
-                    {
-                        spring.Setup();
-                    }
-                }
-            }
-
-            public void Update()
-            {
-                if (m_proxy != null)
-                {
-                    m_proxy.Apply();
-                }
-            }
-        }
        Loaded m_loaded;

-
-
        private void Start()
        {
            m_version.text = string.Format("VRMViewer {0}.{1}",
@@ -316,7 +203,7 @@ namespace VRM.SimpleViewer
            m_useFastSpringBone.onValueChanged.AddListener(OnUseFastSpringBoneValueChanged);
            OnUseFastSpringBoneValueChanged(m_useFastSpringBone.isOn);

-            m_reset.onClick.AddListener(() => m_loaded.OnResetClicked());
+            m_reset.onClick.AddListener(() => m_loaded?.ResetSpring());

            // load initial bvh
            if (m_motion != null)
@@ -338,7 +225,9 @@ namespace VRM.SimpleViewer
            var context = new UniHumanoid.BvhImporterContext();
            context.Parse(path, source);
            context.Load();
-            SetMotion(context.Root.GetComponent<HumanPoseTransfer>());
+            m_src = context.Root.GetComponent<HumanPoseTransfer>();
+            m_src.GetComponent<Renderer>().enabled = false;
+            m_loaded?.EnableBvh(m_src);
        }

        private void Update()
@@ -348,7 +237,9 @@ namespace VRM.SimpleViewer
                if (Root != null) Root.SetActive(!Root.activeSelf);
            }

-            m_ui.UpdateToggle(() => m_loaded?.EnableBvh(m_src), () => m_loaded?.EnableTPose(m_pose));
+            m_ui.UpdateToggle(
+                () => m_loaded?.EnableBvh(m_src),
+                () => m_loaded?.EnableTPose(m_pose));

            if (m_loaded != null)
            {
@@ -358,39 +249,30 @@ namespace VRM.SimpleViewer
            }
        }

-        IEnumerator LoadTexture(string url)
+        IEnumerator LoadCoroutine(string url)
        {
-            var www = new WWW(url);
+            var www = new UnityEngine.Networking.UnityWebRequest(url);
            yield return www;
-            LoadModelAsync("tmp.vrm", www.bytes);
+            var task = LoadBytesAsync("WebGL.vrm", www.downloadHandler.data);
        }

+        /// <summary>
+        /// for WebGL
+        /// call from OpenFile.jslib
+        /// </summary>
        public void FileSelected(string url)
        {
            Debug.Log($"FileSelected: {url}");
-            StartCoroutine(LoadTexture(url));
+            StartCoroutine(LoadCoroutine(url));
        }

        void OnOpenClicked()
        {
-#if UNITY_STANDALONE_WIN
-            var path = FileDialogForWindows.FileDialog("open VRM", "vrm", "glb", "bvh", "gltf", "zip");
-#elif UNITY_WEBGL
-            {
-                WebGLFileDialog();
-                return;
-            }
-            var path = "";
-#elif UNITY_EDITOR
-            var path = UnityEditor.EditorUtility.OpenFilePanel("Open VRM", "", "vrm");
-#else
-            var path = Application.dataPath + "/default.vrm";
-#endif
+            var path = FileUtil.OpenFileDialog("Open VRM", "vrm", "bvh");
            if (string.IsNullOrEmpty(path))
            {
                return;
            }
-
            LoadPathAsync(path);
        }

@@ -401,41 +283,44 @@ namespace VRM.SimpleViewer
                Debug.LogWarning($"{path} not exists");
                return;
            }
-            LoadModelAsync(path, File.ReadAllBytes(path));
+            var bytes = File.ReadAllBytes(path);
+            await LoadBytesAsync(path, bytes);
        }

-        async void LoadModelAsync(string path, byte[] bytes)
+        public async Task LoadBytesAsync(string path, byte[] bytes)
        {
            var size = bytes != null ? bytes.Length : 0;
            Debug.Log($"LoadModelAsync: {path}: {size}bytes");

            var ext = Path.GetExtension(path).ToLower();
-            switch (ext)
+            if (ext == ".bvh")
            {
-                case ".gltf":
-                case ".glb":
-                case ".zip":
-                    {
-                        var instance = await GltfUtility.LoadAsync(path,
-                            GetIAwaitCaller(m_useAsync.isOn),
-                            GetGltfMaterialGenerator(m_useUrpMaterial.isOn));
-                        SetModel(instance);
-                        break;
-                    }
-
-                case ".vrm":
-                    {
-                        VrmUtility.MaterialGeneratorCallback materialCallback = (VRM.glTF_VRM_extensions vrm) => GetVrmMaterialGenerator(m_useUrpMaterial.isOn, vrm);
-                        VrmUtility.MetaCallback metaCallback = m_texts.UpdateMeta;
-                        var instance = await VrmUtility.LoadBytesAsync(path, bytes, GetIAwaitCaller(m_useAsync.isOn), materialCallback, metaCallback, loadAnimation: m_loadAnimation.isOn);
-                        SetModel(instance);
-                        break;
-                    }
-
-                case ".bvh":
-                    LoadMotion(path, File.ReadAllText(path));
-                    break;
+                // bvh motion
+                LoadMotion(path, File.ReadAllText(path));
+                return;
            }
+
+            // cleanup
+            if (m_loaded != null)
+            {
+                m_loaded.Dispose();
+                m_loaded = null;
+            }
+
+            // vrm
+            VrmUtility.MaterialGeneratorCallback materialCallback = (VRM.glTF_VRM_extensions vrm) => GetVrmMaterialGenerator(m_useUrpMaterial.isOn, vrm);
+            VrmUtility.MetaCallback metaCallback = m_texts.UpdateMeta;
+            var instance = await VrmUtility.LoadBytesAsync(path, bytes, GetIAwaitCaller(m_useAsync.isOn), materialCallback, metaCallback, loadAnimation: m_loadAnimation.isOn);
+
+            if (m_useFastSpringBone.isOn)
+            {
+                var _ = FastSpringBoneReplacer.ReplaceAsync(instance.Root);
+            }
+
+            instance.EnableUpdateWhenOffscreen();
+            instance.ShowMeshes();
+
+            m_loaded = new Loaded(instance, m_src, m_target.transform);
        }

        void OnUseFastSpringBoneValueChanged(bool flag)
@@ -482,35 +367,5 @@ namespace VRM.SimpleViewer
                return new ImmediateCaller();
            }
        }
-
-        void SetModel(RuntimeGltfInstance instance)
-        {
-            // cleanup
-            if (m_loaded != null)
-            {
-                m_loaded.Dispose();
-                m_loaded = null;
-            }
-
-            if (m_useFastSpringBone.isOn)
-            {
-                var _ = FastSpringBoneReplacer.ReplaceAsync(instance.Root);
-            }
-
-            instance.EnableUpdateWhenOffscreen();
-            instance.ShowMeshes();
-
-            m_loaded = new Loaded(instance, m_src, m_target.transform);
-        }
-
-        void SetMotion(HumanPoseTransfer src)
-        {
-            m_src = src;
-            src.GetComponent<Renderer>().enabled = false;
-            if (m_loaded != null)
-            {
-                m_loaded.EnableBvh(src);
-            }
-        }
    }
 }