CameraTools.ZoomableCameraBehaviour.CalculateDeltaByKeyboard C# (CSharp) Méthode

        private float CalculateDeltaByKeyboard()
        {
            if (Input.GetKey (KeyCode.I))
                return -1.0f * Time.deltaTime;
            else if (Input.GetKey (KeyCode.O))
                return 1.0f * Time.deltaTime;
            else
                return 0;
        }