UnityStandardAssets.Vehicles.Car.CarController.Move C# (CSharp) Method

        public void Move(float steering, float accel, float footbrake, float handbrake)
        {
            for (int i = 0; i < 4; i++)
            {
                Quaternion quat;
                Vector3 position;
                m_WheelColliders[i].GetWorldPose(out position, out quat);
                m_WheelMeshes[i].transform.position = position;
                m_WheelMeshes[i].transform.rotation = quat;
            }

            //clamp input values
            steering = Mathf.Clamp(steering, -1, 1);
            AccelInput = accel = Mathf.Clamp(accel, 0, 1);
            BrakeInput = footbrake = -1*Mathf.Clamp(footbrake, -1, 0);
            handbrake = Mathf.Clamp(handbrake, 0, 1);

            //Set the steer on the front wheels.
            //Assuming that wheels 0 and 1 are the front wheels.
            m_SteerAngle = steering*m_MaximumSteerAngle;
            m_WheelColliders[0].steerAngle = m_SteerAngle;
            m_WheelColliders[1].steerAngle = m_SteerAngle;

            SteerHelper();
            ApplyDrive(accel, footbrake);
            CapSpeed();

            //Set the handbrake.
            //Assuming that wheels 2 and 3 are the rear wheels.
            if (handbrake > 0f)
            {
                var hbTorque = handbrake*m_MaxHandbrakeTorque;
                m_WheelColliders[0].brakeTorque = hbTorque;
                m_WheelColliders[1].brakeTorque = hbTorque;
                m_WheelColliders[2].brakeTorque = hbTorque;
                m_WheelColliders[3].brakeTorque = hbTorque;
            }


            CalculateRevs();
            GearChanging();

            AddDownForce();
            CheckForWheelSpin();
            TractionControl();
        }

        private void FixedUpdate()
        {
            if (photon)
            {
                if (myPhotonView.IsMine)
                {
                    // pass the input to the car!
                    float h = CrossPlatformInputManager.GetAxis("Horizontal");
                    float v = CrossPlatformInputManager.GetAxis("Vertical");
#if !MOBILE_INPUT
                    float handbrake = CrossPlatformInputManager.GetAxis("Jump");
                    m_Car.Move(h, v, v, handbrake);
#else
                    m_Car.Move(h, v, v, 0f);
#endif
                }
            }
            else
            {            // pass the input to the car!
                float h = CrossPlatformInputManager.GetAxis("Horizontal");
                float v = CrossPlatformInputManager.GetAxis("Vertical");
#if !MOBILE_INPUT
                float handbrake = CrossPlatformInputManager.GetAxis("Jump");
                m_Car.Move(h, v, v, handbrake);
#else
                m_Car.Move(h, v, v, 0f);
#endif
            }
        }