public BoneData(Segment s)
{
seg = segLast = s;
xVel = yVel = 0;
xVel2 = yVel2 = 0;
timeLastUpdated = DateTime.Now;
}
// Update the segment's position and compute a smoothed velocity for the circle or the
// endpoints of the segment based on the time it took it to move from the last position
// to the current one. The velocity is in pixels per second.
public void UpdateSegment(Segment s)
{
segLast = seg;
seg = s;
DateTime cur = DateTime.Now;
double fMs = cur.Subtract(timeLastUpdated).TotalMilliseconds;
if (fMs < 10.0)
fMs = 10.0;
double fFPS = 1000.0 / fMs;
timeLastUpdated = cur;
if (seg.IsCircle())
{
xVel = xVel * smoothing + (1.0 - smoothing) * (seg.x1 - segLast.x1) * fFPS;
yVel = yVel * smoothing + (1.0 - smoothing) * (seg.y1 - segLast.y1) * fFPS;
}
else
{
xVel = xVel * smoothing + (1.0 - smoothing) * (seg.x1 - segLast.x1) * fFPS;
yVel = yVel * smoothing + (1.0 - smoothing) * (seg.y1 - segLast.y1) * fFPS;
xVel2 = xVel2 * smoothing + (1.0 - smoothing) * (seg.x2 - segLast.x2) * fFPS;
yVel2 = yVel2 * smoothing + (1.0 - smoothing) * (seg.y2 - segLast.y2) * fFPS;
}
}