using System;

 using System.Runtime.Serialization;

 using UnityEngine;

 namespace Assets.Editor

 {

     sealed class Vector3SerializationSurrogate : ISerializationSurrogate

     {

         public void GetObjectData(object obj, System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context)

         {

             Vector3 v3 = (Vector3)obj;

             info.AddValue("x", v3.x);

             info.AddValue("y", v3.y);

             info.AddValue("z", v3.z);

         }

         public object SetObjectData(object obj, System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context, System.Runtime.Serialization.ISurrogateSelector selector)

         {

             Vector3 v3 = (Vector3)obj;

             v3.x = (float)info.GetValue("x", typeof(float));

             v3.y = (float)info.GetValue("y", typeof(float));

             v3.z = (float)info.GetValue("z", typeof(float));

             return (object)v3;

         }

     }

 }

 public static void TestFunc()

         {

             BinaryFormatter bf = new BinaryFormatter();

             SurrogateSelector ss = new SurrogateSelector();

             Vector3SerializationSurrogate v3Surrogate = new Vector3SerializationSurrogate();

             ss.AddSurrogate(typeof(Vector3), new StreamingContext(StreamingContextStates.All), v3Surrogate);

             bf.SurrogateSelector = ss;

             MemoryStream stream = new MemoryStream();

             Vector3 testObj = new Vector3(, , );

             bf.Serialize(stream, testObj);

             stream.Position = ;

             Vector3 resultObj = (Vector3)bf.Deserialize(stream);

             Debug.Log(resultObj);

         }