public TelemetryStoryboard Create(LapTelemetryDto lapTelemetryDto)
{
TelemetryStoryboard telemetryStoryboard = new TelemetryStoryboard(lapTelemetryDto.LapSummary);
List <TelemetryFrame> telemetryFrames = new List <TelemetryFrame>();
TelemetryFrame previousFrame = null;
foreach (TimedTelemetrySnapshot timedTelemetrySnapshot in lapTelemetryDto.DataPoints.OrderBy(x => x.LapTimeSeconds))
{
TelemetryFrame currentFrame = new TelemetryFrame(timedTelemetrySnapshot, telemetryStoryboard)
{
PreviousFrame = previousFrame
};
if (previousFrame == null)
{
telemetryStoryboard.FirstFrame = currentFrame;
}
else
{
previousFrame.NextFrame = currentFrame;
}
telemetryFrames.Add(currentFrame);
previousFrame = currentFrame;
}
telemetryStoryboard.TelemetryFrames = telemetryFrames.AsReadOnly();
telemetryStoryboard.LastFrame = previousFrame;
return(telemetryStoryboard);
}
public double GetValueByTime(TimeSpan time, Func <TimedTelemetrySnapshot, double> valueFunc)
{
TelemetryFrame closestFrame = FindFrameByTime(time);
TelemetryFrame previousFrame = closestFrame.PreviousFrame;
return(valueFunc(closestFrame.TelemetrySnapshot));
}
public TelemetryFrame Forward(TimeSpan timeSpan)
{
TimeSpan toFind = timeSpan + TelemetrySnapshot.LapTime;
TelemetryFrame currentFrame = this;
while (currentFrame != null && currentFrame.FrameTime < toFind)
{
currentFrame = currentFrame.NextFrame;
}
return(currentFrame ?? Storyboard.LastFrame);
}
public double GetValueByDistance(Distance distance, Func <TimedTelemetrySnapshot, double> valueFunc)
{
TelemetryFrame closestFrame = FindFrameByDistance(distance);
TelemetryFrame previousFrame = closestFrame.PreviousFrame;
if (previousFrame == null)
{
return(valueFunc(closestFrame.TelemetrySnapshot));
}
double y0 = valueFunc(previousFrame.TelemetrySnapshot);
double y1 = valueFunc(closestFrame.TelemetrySnapshot);
double x0 = previousFrame.FrameDistance.InMeters;
double x1 = closestFrame.FrameDistance.InMeters;
double rate = (y1 - y0) / (x1 - x0);
double distanceFromX = distance.InMeters - x0;
return(y0 + (rate * distanceFromX));
}
public TelemetryFrame FindFrameByDistance(Distance distance)
{
TelemetryFrame frame = TelemetryFrames.FirstOrDefault(x => x.FrameDistance.InMeters >= distance.InMeters);
return(frame ?? LastFrame);
}
public TelemetryFrame FindFrameByTime(TimeSpan time)
{
TelemetryFrame frame = TelemetryFrames.FirstOrDefault(x => x.FrameTime >= time);
return(frame ?? LastFrame);
}