CameraTools.RotableCameraBehaviour.CalculateDeltaByKeyboard C# (CSharp) Method

        private float CalculateDeltaByKeyboard()
        {
            if (Input.GetKey (KeyCode.K))
                return -30.0f * Time.deltaTime;
            else if (Input.GetKey (KeyCode.L))
                return 30.0f * Time.deltaTime;
            else
                return 0;
        }