FirstPersonMovement.Update C# (CSharp) Method

    void Update()
    {
        Vector3 desiredMovement = Vector3.zero;
        Vector3 movement = Vector3.zero;

        desiredMovement.x = Input.GetAxis( "Horizontal" );
        desiredMovement.z = Input.GetAxis( "Vertical" );
        desiredMovement.Normalize();

        desiredMovement *= Speed;

        desiredMovement.y = -Gravity;
        movement = transform.TransformDirection( desiredMovement );

        Controller.Move( movement * Time.deltaTime );
    }