Virtual Reality of the Milky Way

     // Update is called once per frame
    void Update()
    {
        OrbitAround();
    }

    void OrbitAround()
    {
        foreach (GameObject key in planetList) //planetList contains the name of each plotted planet
        {
            int index = planetList.IndexOf(key);
            var targetCoord = starList[index];//starList contains the coordinates of each plotted star
            Debug.Log("PLANET:" + key);
            Debug.Log("TARGETCOORD:" + targetCoord);
            key.transform.RotateAround(targetCoord, Vector3.up, speed * Time.deltaTime);
            //turns out that this last line contained the error!
            //instead of "key.transform.RotateAround()"...
            //I had written "transform.RotateAround()"...
            //so Unity didn't know what should orbit!
           
        }
    }
    //see the GIF (right) to see this code in action!

         //Loop through Pointlist, a list holding all the values from CSV file
        for (var i = 0; i < pointList.Count; i++)
        {
            object distType = pointList[i][columnDist].GetType();

            object teffType = pointList[i][columnTeff].GetType();

            Type a = typeof(System.String);

            //if the distance is NaN, removes info from that row
            if (distType.Equals(a)) {

            }
            else {
                // Get value in poinList at ith "row", in "column" Name
                distance = Convert.ToSingle(pointList[i][columnDist]);
                //ra (right ascension) and dec (declination) are star coordinates
                ra = Convert.ToSingle(pointList[i][columnRa]); 
                dec = Convert.ToSingle(pointList[i][columnDec]); 
            }

            //Convert above values from cartesian to spherical coordinates
            float x = Convert.ToSingle(distance * Math.Cos(dec) * Math.Cos(ra));
            float y = Convert.ToSingle(distance * Math.Cos(dec) * Math.Sin(ra));
            float z = Convert.ToSingle(distance * Math.Sin(dec));

 
            // Instantiate as gameobject variable so that it can be manipulated within loop
            GameObject dataPoint = Instantiate(
                    PointPrefab,
                    new Vector3(x, y, z),
                    Quaternion.identity);
            
            // Make child of PointHolder object, to keep points within container in hierarchy
            dataPoint.transform.parent = PointHolder.transform;

            string starName = Convert.ToString(pointList[i][columnStarName]);
            // Assigns original values to dataPointName
            string dataPointName = starName;
 
            // Assigns name to the prefab
            dataPoint.transform.name = dataPointName;