Unity Scene with a drone and trail.

Video: https://www.youtube.com/watch?v=ipe1qHXY2dw

Script:

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;

public class MovingDrone : MonoBehaviour
{

    public float velocity = 10.0f;
    public Vector3 direction;
    public int lenCoords = 0;
    public int i = 0;
    public string[] lines;

    // Start is called before the first frame update
    void Start()
    {
        StreamReader reader = new StreamReader("sensors.log");  //preprocessed file
        lines = reader.ReadToEnd().Split('\n');
        lenCoords = lines.Length;
    }

    // Update is called once per frame
    void Update()
    {
        if (i < lenCoords) {
            if (lines[i].Contains(",")) {
                string[] coords = lines[i].Split(',');
                float x = float.Parse(coords[0]);
                float y = float.Parse(coords[1]);
                float z = float.Parse(coords[2]);
                this.direction = new Vector3(x, y, z);
            }

            transform.Translate(this.direction * velocity * Time.deltaTime);
            i += 1;
        }
    }
}