[HideInInspector] Makes a variable not show up in the inspector but be serialized.
使变量不在监视面板上显示,但是序列化。
http://docs.unity3d.com/ScriptReference/HideInInspector.html
using UnityEngine;
using System.Collections;
public class ExampleClass : MonoBehaviour {
[HideInInspector]
public int p = 5;
}