public void InitDetection()
        {
            signDetector  = new SignDetector();
            courseAdvisor = new CourseAdvisor(droneControl.BottomCameraPictureSize, droneControl.BottomCameraFieldOfViewDegrees);
            course        = new CourseList();

            InitDetectionSliders();
        }
    void FixedUpdate()
    {
        // Calculate and display speed to GUI
        speed          = -(wheelRR.radius * Mathf.PI * wheelRR.rpm * 60f / 1000f);
        TextField.text = "Speed: " + speed.ToString("0.00") + "km/h    RPM: " + (-wheelRL.rpm);

        float scaledTorque = -Input.GetAxis("Vertical") * torque;

        if (wheelRL.rpm < idealRPM)
        {
            scaledTorque = Mathf.Lerp(scaledTorque / 10f, scaledTorque, wheelRL.rpm / idealRPM);
        }
        else
        {
            scaledTorque = Mathf.Lerp(scaledTorque, 0, (wheelRL.rpm - idealRPM) / (maxRPM - idealRPM));
        }

        // Counter the inertial forces on the vehicle by adding force to springs
        DoRollBar(wheelFR, wheelFL);
        DoRollBar(wheelRR, wheelRL);

        // Get user input for turning or, if autopilot is active, axis value from DLL
        if (SignDetector.getAxis() == -2.0)
        {
            wheelFR.steerAngle = Input.GetAxis("Horizontal") * turnRadius;
            wheelFL.steerAngle = Input.GetAxis("Horizontal") * turnRadius;
        }
        else
        {
            wheelFR.steerAngle = (float)SignDetector.getAxis() * turnRadius;
            wheelFL.steerAngle = (float)SignDetector.getAxis() * turnRadius;
        }

        // Set torque to drive-wheels
        wheelFR.motorTorque = driveMode == DriveMode.Rear  ? 0 : scaledTorque;
        wheelFL.motorTorque = driveMode == DriveMode.Rear  ? 0 : scaledTorque;
        wheelRR.motorTorque = driveMode == DriveMode.Front ? 0 : scaledTorque;
        wheelRL.motorTorque = driveMode == DriveMode.Front ? 0 : scaledTorque;
        // If brakes are active, apply brakeTorque
        if (Input.GetButton("Fire1"))
        {
            wheelFR.brakeTorque = brakeTorque;
            wheelFL.brakeTorque = brakeTorque;
            wheelRR.brakeTorque = brakeTorque;
            wheelRL.brakeTorque = brakeTorque;
        }
        else
        {
            wheelFR.brakeTorque = 0;
            wheelFL.brakeTorque = 0;
            wheelRR.brakeTorque = 0;
            wheelRL.brakeTorque = 0;
        }

        rotateWheels();
    }