IEnumerator CoroutineLerp()
    {
        timer = 0;

        var baseValue = _valueVariable1;
        var targetValue = _valueVariable2;

        while (timer < _timeToChangeValue)
        {
            _valueToChange = Mathf.Lerp(baseValue, targetValue, timer / _timeToChangeValue);

            timer += Time.deltaTime;
            yield return null;
        }

        _valueToChange = targetValue;
    }