// Use this for initialization
void Start()
{
smiInstance = SMIEyeTrackingUnity.Instance;
output_ray = this.GetComponentInParent <OutputRay> ();
}
// prepare everything: paths, names, ...
void Start()
{
// write log to console
Debug.Log("Create log file");
//get video_id from video player
var videoPlayer = GameObject.Find("360sphere").GetComponent <UnityEngine.Video.VideoPlayer>();
video_id = videoPlayer.clip.name;
video_frame_max = unchecked ((int)videoPlayer.clip.frameCount);
Debug.Log("video_id is: " + video_id + "\nmax_frame_video is: " + video_frame_max);
smiInstance = SMIEyeTrackingUnity.Instance;
gazeVis = (GameObject)Resources.Load("SMI_GazePoint");
if (gazeVis != null)
{
gazeVis = Instantiate(gazeVis, Vector3.zero, Quaternion.identity) as GameObject;
gazeVis.name = "SMI_GazePoint";
initialeScale = gazeVis.transform.localScale;
}
else
{
Debug.LogError("Unity Prefab missing: SMI_GazePoint");
UnityEditor.EditorApplication.isPlaying = false;
}
// prepare log
string log_file = "";
// path saving log files
string log_path = Directory.GetCurrentDirectory() + "/log_vr_eyetracking" + "/subject_" + subject_id.ToString("D2");
// path saving screenshots
string screenshot_path = log_path + "/frames/" + video_id;
// check path exists
if (!Directory.Exists(log_path))
// create folder if it does not exist
{
Directory.CreateDirectory(log_path);
}
if (!Directory.Exists(screenshot_path))
// create folder if it does not exist
{
Directory.CreateDirectory(screenshot_path);
}
else
{
Debug.LogError("Directory for frames already exists! Please check subject_id or scene.");
UnityEditor.EditorApplication.isPlaying = false;
}
log_file = log_path + "/log_vr_" + date + '_' + subject_id.ToString("D2") + "_" + video_id + ".txt";
// Debug.Log(log_file);
// Debug.Log("Opening log_file...");
sw = new StreamWriter(log_file);//, true); // append = true, don't overwrtie log file
log_header = "subject_id" + "\t" + "date" + "\t" + "video_id" +
"\t" + "frame_video" +
"\t" + "screenPos.x" + "\t" + "screenPos.y" +
"\t" + "camAngle.x" + "\t" + "camAngle.y" + "\t" + "camAngle.z";
// Debug.Log("Writing header...");
sw.WriteLine(log_header);
}
