单列范例

using UnityEngine;

using System.Collections;

public class wht : MonoBehaviour {
static wht myInstance;

    public int x = 0;

    static int instances = 0;

    // Use this for initialization
//Returns the instance

    public static wht Instance

    {

        get

        {

            if (myInstance == null)

                myInstance = FindObjectOfType(typeof(wht)) as wht;
return myInstance;

        }

    }
void Start () {

        instances++;
if (instances > 1)

            Debug.Log("Warning: There are more than one Level Generator at the level");

        else

            myInstance = this;

    }
// Update is called once per frame

    void Update () {
}

}

using UnityEngine;

using System.Collections;

public class wht1 : MonoBehaviour {
// Use this for initialization

    void Start () {

        wht.Instance.x = 20;

        Debug.Log(wht.Instance.x.ToString());

    }
// Update is called once per frame

    void Update () {
}

}

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