/**
* Identical to Frame(history) but instead of constructing a new frame and returning
* it, the user provides a frame object to be filled with data instead.
*
* @param toFill The frame object to fill with tracking data.
* @param history The age of the frame to return.
*/
public void Frame(Frame toFill, int history)
{
LEAP_TRACKING_EVENT trackingEvent;
_connection.Frames.Get(out trackingEvent, history);
toFill.CopyFrom(ref trackingEvent);
}
/**
* @if UNITY
* In most cases you should get Frame objects using the LeapProvider::CurrentFrame
* properties. The data in Frame objects taken directly from a Leap.Controller instance
* is still in the Leap Motion frame of reference and will not match the hands
* displayed in a Unity scene.
* @endif
*
* Returns a frame of tracking data from the Leap Motion software. Use the optional
* history parameter to specify which frame to retrieve. Call frame() or
* frame(0) to access the most recent frame; call frame(1) to access the
* previous frame, and so on. If you use a history value greater than the
* number of stored frames, then the controller returns an empty frame.
*
* \include Controller_Frame_1.txt
*
* @param history The age of the frame to return, counting backwards from
* the most recent frame (0) into the past and up to the maximum age (59).
* @returns The specified frame; or, if no history parameter is specified,
* the newest frame. If a frame is not available at the specified history
* position, an invalid Frame is returned.
* @since 1.0
*/
public Frame Frame(int history)
{
Frame frame = new Frame();
LEAP_TRACKING_EVENT trackingEvent;
_connection.Frames.Get(out trackingEvent, history);
frame.CopyFrom(ref trackingEvent);
return(frame);
}