public void AddPushPoint(TimePoint point)
{
if (!initialized)
{
Initialize();
}
int max = this.LineSize - 1;
for (int i = max; i > 0; i--)
{
points[i] = points[i - 1];
}
points[0] = point;
if (points[0].X != 0)
{
bool result = this.AnalyzePoints(points);
if (result)
{
if (PushCaptured != null)
{
PushCaptured(this, EventArgs.Empty);
}
for (int i = 0; i < this.LineSize; i++)
{
points[i] = new TimePoint();
}
}
}
}
public void AddSwipePoint(TimePoint point)
{
if (!initialized)
{
Initialize();
}
int max = this.LineSize - 1;
for (int i = max; i > 0; i--)
{
points[i] = points[i - 1];
}
points[0] = point;
if (points[0].X != 0)
{
bool result = this.AnalyzePoints(points);
if (result)
{
if (SwipeCaptured != null)
{
var direction = points[0].X > points[last].X ? SwipeDirection.Right : SwipeDirection.Left;
SwipeCaptured(null,
new SwipeEventArgs(direction));
}
for (int i = 0; i < this.LineSize; i++)
{
points[i] = new TimePoint();
}
}
}
}
public void AddPushPoint(TimePoint point)
{
if (!initialized)
Initialize();
int max = this.LineSize - 1;
for (int i = max; i > 0; i--)
{
points[i] = points[i - 1];
}
points[0] = point;
if (points[0].X != 0)
{
bool result = this.AnalyzePoints(points);
if (result)
{
if (PushCaptured != null)
{
PushCaptured(this, EventArgs.Empty);
}
for (int i = 0; i < this.LineSize; i++)
{
points[i] = new TimePoint();
}
}
}
}
public void AddSwipePoint(TimePoint point)
{
if (!initialized)
Initialize();
int max = this.LineSize - 1;
for (int i = max; i > 0; i--)
{
points[i] = points[i - 1];
}
points[0] = point;
if (points[0].X != 0)
{
bool result = this.AnalyzePoints(points);
if (result)
{
if (SwipeCaptured != null)
{
var direction = points[0].X > points[last].X ? SwipeDirection.Right : SwipeDirection.Left;
SwipeCaptured(null,
new SwipeEventArgs(direction));
}
for (int i = 0; i < this.LineSize; i++)
{
points[i] = new TimePoint();
}
}
}
}
public void Initialize()
{
if (!initialized)
{
LineSize = 7;
MinZDelta = 70;
last = LineSize - 1;
MaxTimeSpan = TimeSpan.FromMilliseconds(300);
points = new TimePoint[this.LineSize];
for (int i = 0; i < this.LineSize; i++)
{
points[i] = new TimePoint();
}
initialized = true;
}
}
void ReaderThread()
{
while (this.ShouldRun)
{
this.context.WaitOneUpdateAll(this.depth);
var users = this.userGenerator.GetUsers();
if (users.Length > 0)
{
var firstUser = users[0];
if (this.skeletonCapbility.IsTracking(firstUser))
{
var rightHand = this.GetJointPosition(firstUser, SkeletonJoint.RightHand);
var rightPoint =
new TimePoint()
{
X = rightHand.position.X,
Y = rightHand.position.Y,
Z = rightHand.position.Z,
Time = DateTime.Now
};
this.rightSwipe.AddSwipePoint(rightPoint);
this.push.AddPushPoint(rightPoint);
var leftHand = this.GetJointPosition(firstUser, SkeletonJoint.LeftHand);
this.leftSwipe.AddSwipePoint(
new TimePoint()
{
X = leftHand.position.X,
Y = leftHand.position.Y,
Z = leftHand.position.Z,
Time = DateTime.Now
});
}
}
}
}
bool AnalyzePoints(TimePoint[] points)
{
if (points[0].Time == DateTime.MinValue || points[last].Time == DateTime.MinValue)
return false;
float z1 = points[0].Z;
float z2 = points[last].Z;
if (Math.Abs(z1 - z2) < MinZDelta)
return false;
if (points[last].Time - points[0].Time > this.MaxTimeSpan)
return false;
return true;
}
public void Initialize()
{
if (!initialized)
{
LineSize = 7;
MinZDelta = 70;
last = LineSize - 1;
MaxTimeSpan = TimeSpan.FromMilliseconds(300);
points = new TimePoint[this.LineSize];
for (int i = 0; i < this.LineSize; i++)
points[i] = new TimePoint();
initialized = true;
}
}
bool AnalyzePoints(TimePoint[] points)
{
if (points[0].Time == DateTime.MinValue || points[last].Time == DateTime.MinValue)
return false;
float x1 = points[0].X;
float y1 = points[0].Y;
float x2 = points[last].X;
float y2 = points[last].Y;
if (Math.Abs(x1 - x2) < MinXDelta)
return false;
if (y1 - y2 > MaxYDelta)
return false;
if (points[last].Time - points[0].Time > this.MaxTimeSpan)
return false;
for (int i = 1; i < LineSize - 2; i++)
{
if (Math.Abs((points[i].Y - y1)) > MaxYDelta)
return false;
float result =
(y1 - y1) * points[i].X +
(x2 - x1) * points[i].Y +
(x1 * y2 - x2 * y1);
if (result > Math.Abs(result))
{
return false;
}
}
return true;
}
