Line hitobject highlighting

public void FollowingHitObjects()
        {
            var light = new KeyframedOsbSprite(GetLayer("Light").CreateSprite("sb/pixel.png"));
            light.Fade(204702, 1);
            light.Color(204702, new Color4(255, 255, 255, 1));
            light.ScaleVec(204702, new Vector2(30, 480));
            light.Fade(234470, 0);

            Vector2 prevPosition = new Vector2(320, 240);

            double startTime = 204702;
            double endTime = 234470;
            double prevTime = startTime;
            int timeDivisor = 8;
            Color4 prevColour;

            foreach (var hitobject in Beatmap.HitObjects)
            {
                if (hitobject is OsuSpinner)
                    continue; // Restart for loop at next iteration.
                if ((hitobject.StartTime >= startTime || hitobject.EndTime >= startTime) && (hitobject.EndTime <= endTime || hitobject.StartTime <= endTime))
                {
                    if (hitobject.StartTime == startTime || hitobject.EndTime == startTime)
                    {
                        var pos = hitobject.EndTime == startTime ? hitobject.EndPosition : hitobject.Position;
                        light.MoveX(hitobject.StartTime, pos.X);
                        prevPosition = pos;
                        prevColour = hitobject.Color;
                        light.Color(OsbEasing.OutQuint, prevTime, hitobject.StartTime, prevColour, hitobject.Color);
                    }
                    else
                    {
                        light.MoveX(OsbEasing.None, prevTime, hitobject.StartTime, prevPosition.X, hitobject.Position.X);
                        prevPosition = hitobject.Position;
                        prevColour = hitobject.Color;
                        light.Color(OsbEasing.OutQuint, prevTime, hitobject.StartTime, prevColour, hitobject.Color);

                        if (hitobject is OsuSlider)
                        {
                            for (var time = hitobject.StartTime; time < hitobject.EndTime; time += Beatmap.GetTimingPointAt((int)hitobject.StartTime).BeatDuration / timeDivisor)
                            {
                                Log($"prevPos = {prevPosition}\ntime = {time}");
                                var newPos = hitobject.PositionAtTime(time + Beatmap.GetTimingPointAt((int)hitobject.StartTime).BeatDuration / timeDivisor);
                                light.MoveX(OsbEasing.None, time, time + Beatmap.GetTimingPointAt((int)hitobject.StartTime).BeatDuration / timeDivisor, prevPosition.X, newPos.X);
                                prevPosition = newPos;
                            }
                        }

                        prevTime = hitobject is OsuSlider ? hitobject.EndTime : hitobject.StartTime;
                        prevPosition = hitobject is OsuSlider ? hitobject.EndPosition : hitobject.Position;

                    }
                }
            }
            light.FinaliseKeyframes();
        }