using UnityEditor; using UnityEngine; namespace UniVRM10 { [CustomEditor(typeof(VRM10SpringBoneCollider))] class VRM10SpringBoneColliderEditor : Editor { VRM10SpringBoneCollider _target; void OnEnable() { _target = target as VRM10SpringBoneCollider; } public override void OnInspectorGUI() { if (_target.GetInstanceID() == VRM10SpringBoneCollider.SelectedGuid) { GUI.backgroundColor = Color.red; } base.OnInspectorGUI(); } } }