private void UpdateFramesCapture(SkeletonRenderFrames oneSecondIntervalFrames)
{
// Assumes the interval between frames is approximately constant. Adds an evenly spaced sample number of frames
// to the working frames capture.
double frameStep = oneSecondIntervalFrames.Count / GestureStandardToleranceParameters.FramesPerSecondCapture;
if (frameStep <= 1)
{
framesCapture.Add(oneSecondIntervalFrames);
}
else
{
int count = 0;
foreach (DateTime timeStamp in rawFramesCapture.FramesTimeStamps)
{
if (framesCapture.Count == 0)
{
// Make sure first frame is always saved in capture.
framesCapture.Add(timeStamp, rawFramesCapture[timeStamp]);
count = 0;
continue;
}
count += 1;
if (count > frameStep)
{
framesCapture.Add(timeStamp, rawFramesCapture[timeStamp]);
count = 0;
}
}
}
}
public GestureBuilderParameters(IGesture gesture, SkeletonRenderFrames skeletonRenderFrames, DateTime gestureStartTime, DateTime gestureEndTime, GestureBuilder.BuildStrategy buildStrategy)
{
this.gesture = gesture;
this.skeletonRenderFrames = skeletonRenderFrames;
this.gestureStartTime = gestureStartTime;
this.gestureEndTime = gestureEndTime;
this.buildStrategy = buildStrategy;
}
public GestureBuilderParameters(IGesture gesture, SkeletonRenderFrames skeletonRenderFrames, DateTime gestureStartTime, DateTime gestureEndTime, GestureBuilder.BuildStrategy buildStrategy)
{
this.gesture = gesture;
this.skeletonRenderFrames = skeletonRenderFrames;
this.gestureStartTime = gestureStartTime;
this.gestureEndTime = gestureEndTime;
this.buildStrategy = buildStrategy;
}
public StandardToleranceMethod(GestureBuilderParameters parameters)
{
this.movingGestureTree = new MovingGestureTree();
this.parameters = parameters;
this.gestureStartDateTime = DateTime.MinValue;
this.gestureEndDateTime = DateTime.MinValue;
this.captureTimeTolerance = TimeSpan.Zero;
this.gestureDuration = TimeSpan.Zero;
this.rawFramesCapture = new SkeletonRenderFrames();
this.framesCapture = new SkeletonRenderFrames();
}
public StandardToleranceMethod(GestureBuilderParameters parameters)
{
this.movingGestureTree = new MovingGestureTree();
this.parameters = parameters;
this.gestureStartDateTime = DateTime.MinValue;
this.gestureEndDateTime = DateTime.MinValue;
this.captureTimeTolerance = TimeSpan.Zero;
this.gestureDuration = TimeSpan.Zero;
this.rawFramesCapture = new SkeletonRenderFrames();
this.framesCapture = new SkeletonRenderFrames();
}
private void CalculateTotalFramesCapture()
{
// Sample the total frames capture. Build the working frames capture via the framesPerSecondCapture frequency.
// Create a collection of frames existing in a one second interval (potentially longer). Sample the one
// second collection and update the working frames capture.
SkeletonRenderFrames oneSecondIntervalFrames = new SkeletonRenderFrames();
TimeSpan oneSecond = TimeSpan.FromSeconds(1);
TimeSpan intervalSpan = TimeSpan.Zero;
TimeSpan deltaFrameSpan;
foreach (DateTime timeStamp in rawFramesCapture.FramesTimeStamps)
{
if (intervalSpan.Equals(TimeSpan.Zero))
{
oneSecondIntervalFrames = new SkeletonRenderFrames();
}
if (parameters.SkeletonRenderFrames[timeStamp].Count == 0)
{
continue;
}
oneSecondIntervalFrames.Add(timeStamp, rawFramesCapture[timeStamp]);
deltaFrameSpan = TimeSpan.FromMilliseconds(DateTimeUtilities.DifferenceInMilliseconds(gestureStartDateTime, timeStamp));
intervalSpan = intervalSpan.Add(deltaFrameSpan);
if (intervalSpan >= oneSecond)
{
UpdateFramesCapture(oneSecondIntervalFrames);
intervalSpan = TimeSpan.Zero;
}
}
// In case the last interval was not caught, capture it.
if (oneSecondIntervalFrames.Count != 0)
{
UpdateFramesCapture(oneSecondIntervalFrames);
}
}
private void UpdateFramesCapture(SkeletonRenderFrames oneSecondIntervalFrames)
{
// Assumes the interval between frames is approximately constant. Adds an evenly spaced sample number of frames
// to the working frames capture.
double frameStep = oneSecondIntervalFrames.Count / GestureStandardToleranceParameters.FramesPerSecondCapture;
if (frameStep <= 1)
{
framesCapture.Add(oneSecondIntervalFrames);
}
else
{
int count = 0;
foreach (DateTime timeStamp in rawFramesCapture.FramesTimeStamps)
{
if (framesCapture.Count == 0)
{
// Make sure first frame is always saved in capture.
framesCapture.Add(timeStamp, rawFramesCapture[timeStamp]);
count = 0;
continue;
}
count += 1;
if (count > frameStep)
{
framesCapture.Add(timeStamp, rawFramesCapture[timeStamp]);
count = 0;
}
}
}
}
private void CalculateTotalFramesCapture()
{
// Sample the total frames capture. Build the working frames capture via the framesPerSecondCapture frequency.
// Create a collection of frames existing in a one second interval (potentially longer). Sample the one
// second collection and update the working frames capture.
SkeletonRenderFrames oneSecondIntervalFrames = new SkeletonRenderFrames();
TimeSpan oneSecond = TimeSpan.FromSeconds(1);
TimeSpan intervalSpan = TimeSpan.Zero;
TimeSpan deltaFrameSpan;
foreach (DateTime timeStamp in rawFramesCapture.FramesTimeStamps)
{
if (intervalSpan.Equals(TimeSpan.Zero)) oneSecondIntervalFrames = new SkeletonRenderFrames();
if (parameters.SkeletonRenderFrames[timeStamp].Count == 0) continue;
oneSecondIntervalFrames.Add(timeStamp, rawFramesCapture[timeStamp]);
deltaFrameSpan = TimeSpan.FromMilliseconds(DateTimeUtilities.DifferenceInMilliseconds(gestureStartDateTime, timeStamp));
intervalSpan = intervalSpan.Add(deltaFrameSpan);
if (intervalSpan >= oneSecond)
{
UpdateFramesCapture(oneSecondIntervalFrames);
intervalSpan = TimeSpan.Zero;
}
}
// In case the last interval was not caught, capture it.
if (oneSecondIntervalFrames.Count != 0) UpdateFramesCapture(oneSecondIntervalFrames);
}
