cameraController.Update C# (CSharp) Method

Update() public method

public Update ( ) : void
return void
    void Update()
    {
        //Avec espace on arrete le mouvement de la camera
        if (Input.GetKey (KeyCode.Space)) {
            MoveEnabled = false;
            CombinedMovement = false;
        }
        if (Input.GetKeyUp (KeyCode.Space)) {
            MoveEnabled = true;
            CombinedMovement = true;
        }

        _mousePos = Input.mousePosition;

        //Move camera if mouse is at the edge of the screen
        if (MoveEnabled) {

            //Move camera if mouse is at the edge of the screen
            if (_mousePos.x < horizontalScrollArea) {
                _xMove = -1;
            } else if (_mousePos.x >= Screen.width - horizontalScrollArea) {
                _xMove = 1;
            } else {
                _xMove = 0;
            }

            if (_mousePos.y < verticalScrollArea) {
                _zMove = -1;
            } else if (_mousePos.y >= Screen.height - verticalScrollArea) {
                _zMove = 1;
            } else {
                _zMove = 0;
            }

            //Move camera if wasd or arrow keys are pressed
            float xAxisValue = Input.GetAxis ("Horizontal");
            float zAxisValue = Input.GetAxis ("Vertical");

            if (xAxisValue != 0) {
                if (CombinedMovement) {
                    _xMove += xAxisValue;
                } else {
                    _xMove = xAxisValue;
                }
            }

            if (zAxisValue != 0) {
                if (CombinedMovement) {
                    _zMove += zAxisValue;
                } else {
                    _zMove = zAxisValue;
                }
            }

        } else {
            _xMove = 0;
            _yMove = 0;
        }

        // Zoom Camera in or out
        /*if (ZoomEnabled) {
            if (Input.GetAxis("Mouse ScrollWheel") < 0)
            {
                _yMove = 1;
            }
            else if (Input.GetAxis("Mouse ScrollWheel") > 0)
            {
                _yMove = -1;
            }
            else
            {
                _yMove = 0;
            }
        } else {
            _zMove = 0;
        }*/

        //move the object
        MoveMe (_xMove, _yMove, _zMove);

        //Move the camera around a point
        if (Input.GetKey (KeyCode.Q) && !Input.GetKey (KeyCode.E)) {

            Ray r = new Ray (Camera.main.transform.position, Camera.main.transform.forward);
            RaycastHit hit;
            if (Physics.Raycast (r, out hit)) {
                transform.RotateAround (hit.point, Vector3.up, RotateSpeed * Time.deltaTime);
            }
        }
        //Move the camera around a point
        if (Input.GetKey (KeyCode.E) && !Input.GetKey (KeyCode.Q)) {

            Ray r = new Ray (Camera.main.transform.position, Camera.main.transform.forward);
            RaycastHit hit;
            if (Physics.Raycast (r, out hit)) {
                transform.RotateAround (hit.point, Vector3.up, -RotateSpeed * Time.deltaTime);
            }
        }
    }
cameraController