Hololens 2拍摄视频并同步记录眼镜参数的C#脚本

添加一个button控件，当用户点击该控件时，HL2开始拍摄场景，同时记录眼镜传感器相关参数并保存至眼镜中软件路径下的txt中。我这边是保存的相机的位置、三个轴的向量以及欧拉角。

using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;
using System;#if WINDOWS_UWP
using Windows.Storage;
using Windows.Foundation;
using Windows.System;
using System.Collections.Generic;
using System;
using System.IO;
#endif#if UNITY_EDITOR || UNITY_WSA#endif//https://docs.unity3d.com/ScriptReference/Windows.WebCam.PhotoCapture.html
public class HoloPhotoVideoCapture : MonoBehaviour {String Poslist = String.Empty;String Uplist = String.Empty;String Forwardlist = String.Empty;String Rightlist = String.Empty;String Anglelist = String.Empty;StreamWriter Poswriter;StreamWriter Upwriter;StreamWriter Forwardwriter;StreamWriter Rightwriter;StreamWriter Anglewriter;public Camera MyCamera;void Start () {MyCamera = GameObject.Find("Main Camera").GetComponent<Camera>();}// Update is called once per framevoid FixedUpdate () {Vector3 Cam_Pos = MyCamera.transform.position;String[] strPos = { Cam_Pos[0].ToString() + " ", Cam_Pos[1].ToString() + " ", Cam_Pos[2].ToString() + "\n"};Vector3 Cam_up = NormalVector(MyCamera.transform.up);String[] strUp = { Cam_up[0].ToString() + " ", Cam_up[1].ToString() + " ", Cam_up[2].ToString() + "\n" };Vector3 Cam_forward = NormalVector(MyCamera.transform.forward);String[] strForward = { Cam_forward[0].ToString() + " ", Cam_forward[1].ToString() + " ", Cam_forward[2].ToString() + "\n" };Vector3 Cam_right = NormalVector(MyCamera.transform.right);String[] strRight = { Cam_right[0].ToString() + " ", Cam_right[1].ToString() + " ", Cam_right[2].ToString() + "\n" };Vector3 Cam_Angle = NormalVector(MyCamera.transform.localEulerAngles);String[] strAngle = { Cam_Angle[0].ToString() + " ", Cam_Angle[1].ToString() + " ", Cam_Angle[2].ToString() + "\n" };Poslist = string.Concat(Poslist, strPos[0], strPos[1], strPos[2]);Uplist = string.Concat(Uplist, strUp[0], strUp[1], strUp[2]);Forwardlist = string.Concat(Forwardlist, strForward[0], strForward[1], strForward[2]);Rightlist = string.Concat(Rightlist, strRight[0], strRight[1], strRight[2]);Anglelist = string.Concat(Anglelist, strAngle[0], strAngle[1], strAngle[2]);//print(Uplist);      }Vector3 NormalVector(Vector3 vec){float sum = Mathf.Sqrt(vec.x * vec.x + vec.y * vec.y + vec.z * vec.z);float Nor_X = vec.x / sum;float Nor_Y = vec.y / sum;float Nor_Z = vec.z / sum;Vector3 nor = new Vector3(Nor_X, Nor_Y, Nor_Z);return nor;}public void SavePhoto(){//Texture2D tex = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, true);//tex.Apply();DateTime dateTime = DateTime.Now.ToLocalTime();string strNowTime = string.Format("{0:D}{1:D}{2:D}", dateTime.Hour, dateTime.Minute, dateTime.Second);SavenPic(targetTexture, strNowTime);}public void SavenPic(Texture2D tex, string filename){try{string path = Application.persistentDataPath + "/" + filename+ ".jpg";File.WriteAllBytes(path, tex.EncodeToJPG());print("保存成功！" + path);}catch (System.Exception e){print("保存失败！" + e.Message);}}private IEnumerator LoadPic(string picname){string path = Application.persistentDataPath + "/" + picname + ".jpg" ;if (File.Exists(path)){WWW www = new WWW("file:///" + path);yield return www;//获取TextureTexture2D dynaPic = www.texture;print("读取成功");}else{print("图片不存在！");}}#region 录像
#if UNITY_EDITOR || UNITY_WSAUnityEngine.Windows.WebCam.VideoCapture m_VideoCapture = null;string videofilename;string videofilepath;String TimeStr;public void StopVideo(){if (isRecording){isRecording = false;Poswriter.WriteLine(Poslist);Poswriter.Close();Upwriter.WriteLine(Uplist);Upwriter.Close();Forwardwriter.WriteLine(Forwardlist);Forwardwriter.Close();Rightwriter.WriteLine(Rightlist);Rightwriter.Close();Anglewriter.WriteLine(Anglelist);Anglewriter.Close();print("停止录像...");if(Application.platform==RuntimePlatform.WSAPlayerX86|| Application.platform == RuntimePlatform.WSAPlayerARM)m_VideoCapture.StopRecordingAsync(OnStoppedRecordingVideo);   }#if !UNITY_EDITOR && UNITY_WINRT_10_0string _filename = "video.mp4";var cameraRollFolder = Windows.Storage.KnownFolders.CameraRoll.Path;            File.Move(videofilepath, Path.Combine(cameraRollFolder, _filename));
#endif}public void TakeVideo(){#if UNITY_EDITOR || UNITY_WSAif (!isRecording){DateTime dateTime = DateTime.Now.ToLocalTime();TimeStr = string.Format("{0:D}{1:D}{2:D}", dateTime.Hour, dateTime.Minute, dateTime.Second);string Postxt = Path.Combine(Application.persistentDataPath, "Position_"+ TimeStr + ".txt");string Uptxt = Path.Combine(Application.persistentDataPath, "Updir_" + TimeStr + ".txt");string Forwardtxt = Path.Combine(Application.persistentDataPath, "Forwarddir_" + TimeStr + ".txt");string Righttxt = Path.Combine(Application.persistentDataPath, "Rightdir_" + TimeStr + ".txt");string Angletxt = Path.Combine(Application.persistentDataPath, "Angle_" + TimeStr + ".txt");FileInfo fi = new FileInfo(Postxt);FileInfo fi1 = new FileInfo(Uptxt);FileInfo fi2 = new FileInfo(Forwardtxt);FileInfo fi3 = new FileInfo(Righttxt);FileInfo fi4 = new FileInfo(Angletxt);Poswriter = fi.CreateText();Upwriter = fi1.CreateText();Forwardwriter = fi2.CreateText();Rightwriter = fi3.CreateText();Anglewriter = fi4.CreateText();isRecording = true;print("开始录像...");if (Application.platform == RuntimePlatform.WSAPlayerX86 || Application.platform == RuntimePlatform.WSAPlayerARM)UnityEngine.Windows.WebCam.VideoCapture.CreateAsync(ShowHologram, StartVideoCapture);}
#else#endif}void StartVideoCapture(UnityEngine.Windows.WebCam.VideoCapture videoCapture){if (videoCapture != null){m_VideoCapture = videoCapture;Debug.Log("Created VideoCapture Instance!");Resolution cameraResolution = UnityEngine.Windows.WebCam.VideoCapture.SupportedResolutions.OrderByDescending((res) => res.width * res.height).First();float cameraFramerate = UnityEngine.Windows.WebCam.VideoCapture.GetSupportedFrameRatesForResolution(cameraResolution).OrderByDescending((fps) => fps).First();Debug.Log("刷新率：" + cameraFramerate);UnityEngine.Windows.WebCam.CameraParameters cameraParameters = new UnityEngine.Windows.WebCam.CameraParameters();cameraParameters.hologramOpacity = 0.9f;cameraParameters.frameRate = cameraFramerate;cameraParameters.cameraResolutionWidth = cameraResolution.width;cameraParameters.cameraResolutionHeight = cameraResolution.height;cameraParameters.pixelFormat = UnityEngine.Windows.WebCam.CapturePixelFormat.BGRA32;m_VideoCapture.StartVideoModeAsync(cameraParameters,UnityEngine.Windows.WebCam.VideoCapture.AudioState.ApplicationAndMicAudio,OnStartedVideoCaptureMode);}else{Debug.LogError("Failed to create VideoCapture Instance!");}}void OnStartedVideoCaptureMode(UnityEngine.Windows.WebCam.VideoCapture.VideoCaptureResult result){Debug.Log("开始录像模式!");//获取系统时间方法1//string timeStamp = Time.time.ToString().Replace(".", "").Replace(":", "");//string filename = string.Format("TestVideo_{0}.mp4", timeStamp);//方法2DateTime dateTime = DateTime.Now.ToLocalTime();videofilename = "Video" + TimeStr + ".mp4";//string filename = "TestVideo.mp4";videofilepath = Path.Combine(Application.persistentDataPath, videofilename );videofilepath = videofilepath.Replace("/", @"\");m_VideoCapture.StartRecordingAsync(videofilepath, OnStartedRecordingVideo);Debug.Log("videopath:" + videofilepath);}void OnStoppedVideoCaptureMode(UnityEngine.Windows.WebCam.VideoCapture.VideoCaptureResult result){m_VideoCapture.Dispose();m_VideoCapture = null;Debug.Log("停止录像模式!");}void OnStartedRecordingVideo(UnityEngine.Windows.WebCam.VideoCapture.VideoCaptureResult result){Debug.Log("开始录像!");}void OnStoppedRecordingVideo(UnityEngine.Windows.WebCam.VideoCapture.VideoCaptureResult result){Debug.Log("停止录像!");m_VideoCapture.StopVideoModeAsync(OnStoppedVideoCaptureMode);}
#endif#endregion
}

记录：

获取当前时间作为文件命名：

DateTime dateTime = DateTime.Now.ToLocalTime();
string strNowTime = string.Format("{0:D}{1:D}{2:D}", dateTime.Hour, dateTime.Minute, dateTime.Second);

将string数据不断地添加到数组中

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Linq;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;
using System;public class Test : MonoBehaviour
{void Start(){string str1 = "Hello Hole  dsuhf sdfhuidff  fhdifh w";string str2 = "World";string newStr;List<String> myList = new List<String>();String stringfromlist = String.Empty;newStr = string.Concat(str1, str2);Debug.Log("Concat方法：" + newStr);newStr = string.Join("^^", str1, str2);Debug.Log("Join方法：" + newStr);newStr = str1 + str2;Debug.Log("连接运算符：" + newStr);myList.Add(str1);myList.Add(str2);for (int i = 0; i < myList.Count; i++){stringfromlist = stringfromlist + myList[i] + " ";}Debug.Log("List<String>方法：" + stringfromlist);}private void Update(){}
}

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Hololens 2拍摄视频并同步记录眼镜参数的C#脚本

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