using UnityEngine;
using System.Collections;

/// <summary>
/// 动态UI背景图管理器
/// </summary>
public class DynamicBackgroundControler : MonoBehaviour
{
    /// <summary>
    /// 单键
    /// </summary>
    private static DynamicBackgroundControler pInit = null;

    /// <summary>
    /// 背景图
    /// </summary>
    private GameObject mBgPlane;

    /// <summary>
    /// 获取管理者
    /// </summary>
    /// <returns>单键实例</returns>
    public static DynamicBackgroundControler Instance()
    {
        return pInit;
    }

    /// <summary>
    /// 初始化
    /// </summary>
    private void Awake()
    {
        pInit = this;
        //// 切换关卡时不删除
        DontDestroyOnLoad(this);
    }

    /// <summary>
    /// 相机映射图片
    /// </summary>
    private RenderTexture renderTexture;

    /// <summary>
    /// 开始
    /// </summary>
    private void Start()
    {
        //renderTexure赋值
        GameObject _mCamera = this.transform.Find("Camera").gameObject;
        if (_mCamera.GetComponent<AudioListener>() != null)
        {
            Destroy(_mCamera.GetComponent<AudioListener>());
        }
        renderTexture = new RenderTexture(1080, 1920, 24, RenderTextureFormat.ARGB32);

        _mCamera.GetComponent<Camera>().targetTexture = renderTexture;
        mBgPlane = this.transform.Find("BGmian/Plane").gameObject;
    }

    /// <summary>
    /// 相机动态render图片
    /// </summary>
    public RenderTexture CameraRenderTexture
    {
        get { return renderTexture; }
    }
}