Unity3d 保存相机拍摄图像

/// <summary>
/// 生成相机照片并保存
/// </summary>
/// <param name="PhotographyCamera">相机</param>
/// <param name="imageMateData">图像宽高</param>
public void CreateCameraCaptureAndSaveLocal(Camera PhotographyCamera, int width, int height, string path)
{
    RenderTexture rt = new RenderTexture(width, height, 16, RenderTextureFormat.ARGB32);
    PhotographyCamera.targetTexture = rt;
    PhotographyCamera.Render();
    RenderTexture.active = rt;

    Texture2D image = new Texture2D(width, height, TextureFormat.ARGB32, false);
    image.ReadPixels(new Rect(0, 0, width, height), 0, 0);
    image.Apply();
    image.name = DateTime.Now.ToString();

    //保存图像到本地文件夹中
    if (string.IsNullOrEmpty(path))
    {
        if (!Directory.Exists(path))
            Directory.CreateDirectory(path);

        //数据写入
        byte[] bytes = image.EncodeToJPG();
        if (bytes != null)
        {
            string savePath = path + "\\" + image.name + ".JPG";
            System.IO.File.WriteAllBytes(savePath, bytes);
        }
        bytes = null;
    }
}