// 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)
{
this.lastSegment = this.segment;
this.segment = s;
DateTime cur = DateTime.Now;
double fMs = cur.Subtract(this.timeLastUpdated).TotalMilliseconds;
if (fMs < 10.0)
{
fMs = 10.0;
}
double fps = 1000.0 / fMs;
this.timeLastUpdated = cur;
if (this.segment.IsCircle())
{
this.xVelocity1 = (this.xVelocity1 * smoothing) + ((1.0 - smoothing) * (this.segment.x1 - this.lastSegment.x1) * fps);
this.yVelocity1 = (this.yVelocity1 * smoothing) + ((1.0 - smoothing) * (this.segment.y1 - this.lastSegment.y1) * fps);
}
else
{
this.xVelocity1 = (this.xVelocity1 * smoothing) + ((1.0 - smoothing) * (this.segment.x1 - this.lastSegment.x1) * fps);
this.yVelocity1 = (this.yVelocity1 * smoothing) + ((1.0 - smoothing) * (this.segment.y1 - this.lastSegment.y1) * fps);
this.xVelocity2 = (this.xVelocity2 * smoothing) + ((1.0 - smoothing) * (this.segment.x2 - this.lastSegment.x2) * fps);
this.yVelocity2 = (this.yVelocity2 * smoothing) + ((1.0 - smoothing) * (this.segment.y2 - this.lastSegment.y2) * fps);
}
}
public BoneData(Segment s)
{
this.segment = this.lastSegment = s;
this.xVelocity1 = this.yVelocity1 = 0;
this.xVelocity2 = this.yVelocity2 = 0;
this.timeLastUpdated = DateTime.Now;
}
public void UpdateJointPosition(Microsoft.Kinect.JointCollection joints, JointType j)
{
if (j == JointType.HandLeft)
{
leftHandPosition = new Point((joints[j].Position.X * this.playerScale) + this.playerCenter.X , (((joints[j].Position.Y * -1) * this.playerScale) + this.playerCenter.Y));
}
if (j == JointType.HandRight)
{
rightHandPosition = new Point((joints[j].Position.X * this.playerScale) + this.playerCenter.X, (((joints[j].Position.Y * -1) * this.playerScale) + this.playerCenter.Y));
}
var seg = new Segment(
(joints[j].Position.X * this.playerScale) + this.playerCenter.X,
this.playerCenter.Y - (joints[j].Position.Y * this.playerScale)) { radius = this.playerBounds.Height * ((j == JointType.Head) ? headSize : handSize) / 2 };
this.UpdateSegmentPosition(j, j, seg);
}
private void UpdateSegmentPosition(JointType j1, JointType j2, Segment seg)
{
var bone = new Bone(j1, j2);
if (this.segments.ContainsKey(bone))
{
BoneData data = this.segments[bone];
data.UpdateSegment(seg);
this.segments[bone] = data;
}
else
{
this.segments.Add(bone, new BoneData(seg));
}
}
public void UpdateBonePosition(Microsoft.Kinect.JointCollection joints, JointType j1, JointType j2)
{
var seg = new Segment(
(joints[j1].Position.X * this.playerScale) + this.playerCenter.X,
this.playerCenter.Y - (joints[j1].Position.Y * this.playerScale),
(joints[j2].Position.X * this.playerScale) + this.playerCenter.X,
this.playerCenter.Y - (joints[j2].Position.Y * this.playerScale)) { radius = Math.Max(3.0, this.playerBounds.Height * boneSize) / 2 };
this.UpdateSegmentPosition(j1, j2, seg);
}
