创建两个Script
PrefabInstance.cs MoveCube.cs
这里在PrefabInstance中获取组件MoveCube,然后获取MoveCube组件的Speed的Public变量
MoveCube.cs 旋转Cube的作用
using UnityEngine;using System.Collections;public class MoveCube : MonoBehaviour { public int speed; // Use this for initialization void Start () { } // Update is called once per frame