private IList <FingerPoint> MapFingerPoints(IList <FingerPoint> oldFingerPoints, IList <FingerPoint> newFingerPoints)
{
var idGenerator = new IdGenerator();
var distanceMap = new DistanceMap <FingerPoint, FingerPoint>(oldFingerPoints);
distanceMap.Map(newFingerPoints);
foreach (var tuple in distanceMap.MappedItems)
{
idGenerator.SetUsed(tuple.Item1.Id);
tuple.Item2.Id = tuple.Item1.Id;
tuple.Item2.FrameCount = tuple.Item1.FrameCount + 1;
}
foreach (var newFinger in distanceMap.UnmappedItems)
{
newFinger.Id = idGenerator.GetNextId();
}
foreach (var discontinuedFinger in distanceMap.DiscontinuedItems)
{
discontinuedFinger.NegativeFrameCount++;
}
return(distanceMap.MappedItems.Select(i => i.Item2).Union(distanceMap.UnmappedItems).Union(distanceMap.DiscontinuedItems).Where(i => i.NegativeFrameCount <= this.settings.FramesForDiscontinuedFingerPoint).ToList());
}
private HandCollection CreateHandCollection(ShapeCollection shapes)
{
var map = new DistanceMap <HandData, Shape>(currentValue.Hands);
map.Map(shapes.Shapes);
var handData = new List <HandData>();
foreach (var tupple in map.MappedItems)
{
handData.Add(this.Create(tupple.Item1, tupple.Item2));
}
foreach (var shape in map.UnmappedItems)
{
handData.Add(this.Create(shape));
}
foreach (var discontinuedHandData in map.DiscontinuedItems)
{
this.ReturnIdToPool(discontinuedHandData.Id);
}
return(new HandCollection(handData));
}