using UnityEngine;

using System.Collections;

public class NPCTest : MonoBehaviour {

    //NPC动作几率

    float[] probArray = {0.5f , 0.25f , 0.2f , 0.05f};

    int probValue;    //NPC选择值

    // Use this for initialization

    void Start () {

    }

    // Update is called once per frame

    void Update () {

    }

    //选择函数，返回NPC的选项下标值

    int Choose(float[] probe)

    {

        float total = 0.0f;

        for (int i=; i < probe.Length; i++) {

            total += probe[i];

        }

        // Random.value方法返回一个0—1的随机数

        float randomPoint = Random.value * total;

        for (int i=; i < probe.Length; i++) {

            if(randomPoint<probe[i])

                return i;

            else

                randomPoint -= probe[i];

        }

        return probe.Length - ;

    }

    void OnGUI(){

        if( GUI.Button(new Rect(,,,),"Click") )

        {

            probValue = Choose(probArray);

            switch(probValue){

            case :

                Debug.Log ("NPC向我致敬！");

                break;

            case :

                Debug.Log ("NPC离开了！");

                break;

            case :

                Debug.Log ("NPC攻击我了！");

                break;

            case :

                Debug.Log ("NPC给我钱了！");

                break;

            default:

                Debug.Log("我没有碰到NPC");

                break;

            }

        }

    }

}