From ac5662f61fda4fd96fb8ead2fccd163f6a4f873c Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Tue, 13 Apr 2021 20:42:56 +0900
Subject: [PATCH] =?UTF-8?q?collider=E3=81=AE=E9=87=8D=E8=A4=87=E8=80=83?=
 =?UTF-8?q?=E6=85=AE?=
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---
 .../VRM10/Runtime/IO/RuntimeUnityBuilder.cs   | 50 ++++++++++---------
 1 file changed, 27 insertions(+), 23 deletions(-)

diff --git a/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs b/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
index 0b63716f2..ac60d6783 100644
--- a/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
+++ b/Assets/VRM10/Runtime/IO/RuntimeUnityBuilder.cs
@@ -384,33 +384,37 @@ namespace UniVRM10
                             out UniGLTF.Extensions.VRMC_node_collider.VRMC_node_collider extension))
                         {
                             var node = Nodes[colliderNode];
-                            var colliderGroup = node.gameObject.GetOrAddComponent<VRM10SpringBoneColliderGroup>();
-                            colliderGroup.Colliders.AddRange(extension.Shapes.Select(x =>
+                            var colliderGroup = node.gameObject.GetComponent<VRM10SpringBoneColliderGroup>();
+                            if (colliderGroup == null)
                             {
-                                if (x.Sphere != null)
+                                colliderGroup = node.gameObject.AddComponent<VRM10SpringBoneColliderGroup>();
+                                colliderGroup.Colliders.AddRange(extension.Shapes.Select(x =>
                                 {
-                                    return new VRM10SpringBoneCollider
+                                    if (x.Sphere != null)
                                     {
-                                        ColliderType = VRM10SpringBoneColliderTypes.Sphere,
-                                        Offset = Vector3(x.Sphere.Offset),
-                                        Radius = x.Sphere.Radius.Value,
-                                    };
-                                }
-                                else if (x.Capsule != null)
-                                {
-                                    return new VRM10SpringBoneCollider
+                                        return new VRM10SpringBoneCollider
+                                        {
+                                            ColliderType = VRM10SpringBoneColliderTypes.Sphere,
+                                            Offset = Vector3(x.Sphere.Offset),
+                                            Radius = x.Sphere.Radius.Value,
+                                        };
+                                    }
+                                    else if (x.Capsule != null)
                                     {
-                                        ColliderType = VRM10SpringBoneColliderTypes.Capsule,
-                                        Offset = Vector3(x.Capsule.Offset),
-                                        Radius = x.Capsule.Radius.Value,
-                                        Tail = Vector3(x.Capsule.Tail),
-                                    };
-                                }
-                                else
-                                {
-                                    throw new NotImplementedException();
-                                }
-                            }));
+                                        return new VRM10SpringBoneCollider
+                                        {
+                                            ColliderType = VRM10SpringBoneColliderTypes.Capsule,
+                                            Offset = Vector3(x.Capsule.Offset),
+                                            Radius = x.Capsule.Radius.Value,
+                                            Tail = Vector3(x.Capsule.Tail),
+                                        };
+                                    }
+                                    else
+                                    {
+                                        throw new NotImplementedException();
+                                    }
+                                }));
+                            }
                             return colliderGroup;
                         }
                         else