TechfairKinect.Gestures.Kinect.KinectSensorWrapper.FindClosestSkeleton C# (CSharp) Method

        private Skeleton FindClosestSkeleton(Skeleton[] skeletons)
        {
            var seed = new
            {
                Distance = float.PositiveInfinity,
                Skeleton = new Skeleton()
            };

            var result = skeletons.Where(skeleton => skeleton.TrackingState != SkeletonTrackingState.NotTracked)
                .Aggregate(seed, (running, cur) =>
            {
                if (cur.Position.Z >= running.Distance)
                    return running;

                return new
                {
                    Distance = cur.Position.Z,
                    Skeleton = cur
                };
            });

            return result.Skeleton;
        }