public Plie(Canvas canvas, Skeleton skeleton)
{
this.skeleton = skeleton;
this.canvas = canvas;
this.position = new Position(canvas, skeleton);
Point3D leftKnee = new Point3D(skeleton.Joints[JointType.KneeLeft].Position.X,
skeleton.Joints[JointType.KneeLeft].Position.Y,
skeleton.Joints[JointType.KneeLeft].Position.Z);
Point3D rightKnee = new Point3D(skeleton.Joints[JointType.KneeRight].Position.X,
skeleton.Joints[JointType.KneeRight].Position.Y,
skeleton.Joints[JointType.KneeRight].Position.Z);
// Set initial "previous frame" to current frame position
this.leftKneePreviousFrame = leftKnee;
this.rightKneePreviousFrame = rightKnee;
this.leftKneeTopRange = new Range(leftKnee.y, Range.kneeIntermediateRange);
this.rightKneeTopRange = new Range(rightKnee.y, Range.kneeIntermediateRange);
this.leftFootXRange = new Range(skeleton.Joints[JointType.FootLeft].Position.X, Range.footEasyRange);
this.leftFootYRange = new Range(skeleton.Joints[JointType.FootLeft].Position.Y, Range.footEasyRange);
this.leftFootZRange = new Range(skeleton.Joints[JointType.FootLeft].Position.Z, Range.footEasyRange);
this.rightFootXRange = new Range(skeleton.Joints[JointType.FootRight].Position.X, Range.footEasyRange);
this.rightFootYRange = new Range(skeleton.Joints[JointType.FootRight].Position.Y, Range.footEasyRange);
this.rightFootZRange = new Range(skeleton.Joints[JointType.FootRight].Position.Z, Range.footEasyRange);
}
// This returns whether or not the user is still in the correct movement
// sequence to complete a plie.
// If the user deviates from the movements involved to complete a plie,
// the method will return false.
public Boolean trackPlie()
{
if (skeleton == null)
{
return false;
}
// Alignment checks
this.position.checkAlignment();
// Grab joints observed in a plie
Joint leftKnee = skeleton.Joints[JointType.KneeLeft];
Joint rightKnee = skeleton.Joints[JointType.KneeRight];
Joint leftFoot = skeleton.Joints[JointType.FootLeft];
Joint rightFoot = skeleton.Joints[JointType.FootRight];
Joint leftAnkle = skeleton.Joints[JointType.AnkleLeft];
Joint rightAnkle = skeleton.Joints[JointType.AnkleRight];
Range leftKneeRange = new Range(this.leftKneePreviousFrame.y, Range.kneeEasyRange);
Range rightKneeRange = new Range(this.rightKneePreviousFrame.y, Range.kneeEasyRange);
// Folllow process of movement for a plie
// Make sure feet are turned out and haven't moved
if (this.position.leftFootTurnout() &&
this.position.rightFootTurnout() &&
this.position.leftFootStable() &&
this.position.rightFootStable()
)
{
// On our way down
if (!this.plieBottomReached)
{
{
if (!(leftKnee.Position.Y <= leftKneeRange.maximum ||
rightKnee.Position.Y <= rightKneeRange.maximum)
)
{
this.plieMovingUpFrames++;
if (this.plieMovingUpFrames >= 5)
{
this.plieBottomReached = true;
}
}
this.leftKneePreviousFrame = new Point3D(leftKnee.Position.X, leftKnee.Position.Y, leftKnee.Position.Z);
this.rightKneePreviousFrame = new Point3D(rightKnee.Position.X, rightKnee.Position.Y, rightKnee.Position.Z);
return true;
}
}
// On our way up
else
{
if (leftKnee.Position.Y >= leftKneeRange.minimum ||
rightKnee.Position.Y >= rightKneeRange.minimum
)
{
if (leftKnee.Position.Y >= this.leftKneeTopRange.minimum &&
rightKnee.Position.Y >= this.rightKneeTopRange.minimum)
{
this.gestureComplete = true;
}
this.leftKneePreviousFrame = new Point3D(leftKnee.Position.X, leftKnee.Position.Y, leftKnee.Position.Z);
this.rightKneePreviousFrame = new Point3D(rightKnee.Position.X, rightKnee.Position.Y, rightKnee.Position.Z);
return true;
}
}
}
return false;
}