PC NGUI屏幕适配

using UnityEngine;
using System.Collections;
//此脚本挂载在UIRoot下Camera上
[RequireComponent(typeof(UICamera))]
public class UIAdapterCamera : MonoBehaviour
{
float standard_width = 1280f; //初始宽度
float standard_height = 720f; //初始高度
float device_width = 0f; //当前设备宽度
float device_height = 0f; //当前设备高度
public float adjustor = 0f; //屏幕矫正比例
void Awake()
{

    //获取设备宽高  
    device_width = Screen.width;
    device_height = Screen.height;
    //计算宽高比例  
    float standard_aspect = standard_width / standard_height;
    float device_aspect = device_width / device_height;
    //计算矫正比例  
    if (device_aspect < standard_aspect)
    {
        adjustor = standard_aspect / device_aspect;
        //Debug.Log(standard_aspect);  
    }
    Debug.Log("屏幕的比例" + adjustor);
    if (adjustor < 2 && adjustor > 0)
    {
        camera.orthographicSize = adjustor;
    }

}
// Use this for initialization  
void Start()
{

}

// Update is called once per frame  
void Update()
{

}

}