protected virtual void OnPlayingDrum(PlayingDrumEventArgs e)
{
EventHandler <PlayingDrumEventArgs> handler = PlayingDrum;
if (handler != null)
{
handler(this, e);
}
}
public void SkeletonDrawingFinished(object sender, SkeletonDrawingFinishedEventArgs e)
{
//instrument interaction
Brush brush = Brushes.Tomato;
using (DrawingContext dc = this.drawingGroup.Open())
{
dc.DrawRectangle(Brushes.Transparent, null, new Rect(0.0, 0.0, 640, 480));
Skeleton trackingSkel = e.LastTracked;
if (trackingSkel != null)
{
Joint joint = trackingSkel.Joints[JointType.HandLeft];
Point leftHand = SkeletonPointToScreen(joint.Position);
joint = trackingSkel.Joints[JointType.HandRight];
Point rightHand = SkeletonPointToScreen(joint.Position);
if (isTouchingInstrumentEdgeRight(rightHand) || isTouchingInstrumentBody(rightHand) || isTouchingInstrumentEdgeTop(rightHand))
{
holdingInstrument = false;
}
else if (!holdingInstrument && isTouchingInstrumentBody(leftHand))
{
holdingInstrument = true;
touchOffsetLeftX = leftHand.X - instrumentX;
touchOffsetLeftY = leftHand.Y - instrumentY;
}
if (isTouchingInstrumentEdgeRight(rightHand))
{
brush = Brushes.Violet;
}
if (isTouchingInstrumentEdgeTop(rightHand))
{
brush = Brushes.Yellow;
}
if (isTouchingInstrumentEdgeTop(leftHand) || isTouchingInstrumentEdgeTop(rightHand))
{
PlayingDrumEventArgs args = new PlayingDrumEventArgs();
args.DrumHeight = instrumentHeight;
args.DrumWidth = instrumentWidth;
args.Velocity = 0;
OnPlayingDrum(args);
}
if (stretchingHorizontally && Math.Abs(rightHand.Y - leftHand.Y) >= stretchBreakThreshold)
{
stretchingHorizontally = false;
}
else if (isTouchingInstrumentEdgeLeft(leftHand) && isTouchingInstrumentEdgeRight(rightHand))
{
stretchingHorizontally = true;
stretchingVertically = false;
}
if (stretchingVertically && Math.Abs(rightHand.X - leftHand.X) >= instrumentWidth)
{
stretchingVertically = false;
}
else if (isTouchingInstrumentEdgeTop(rightHand) && isTouchingInstrumentEdgeBottom(leftHand))
{
stretchingVertically = true;
stretchingHorizontally = false;
}
if (stretchingHorizontally)
{
brush = Brushes.SteelBlue;
instrumentWidth = Math.Abs(rightHand.X - leftHand.X);
instrumentX = leftHand.X;
}
if (stretchingVertically)
{
brush = Brushes.SkyBlue;
instrumentHeight = Math.Abs(leftHand.Y - rightHand.Y);
instrumentY = rightHand.Y;
}
if (holdingInstrument)
{
brush = Brushes.SpringGreen;
instrumentX = leftHand.X - touchOffsetLeftX;
instrumentY = leftHand.Y - touchOffsetLeftY;
}
if (holdingInstrument && stretchingHorizontally)
{
brush = Brushes.PeachPuff;
}
//Console.WriteLine("Hand: " + leftHand.X + "," + leftHand.Y);
//Console.WriteLine("Instrument: " + instrumentX + "," + instrumentY);
}
instrumentWidth = (instrumentWidth > instrumentEdge * 2 + 10) ? instrumentWidth : instrumentEdge * 2 + 10;
instrumentHeight = (instrumentHeight > instrumentEdge * 2 + 10) ? instrumentHeight : instrumentEdge * 2 + 10;
dc.DrawRectangle(brush, null, new Rect(instrumentX, instrumentY, instrumentWidth, instrumentHeight));
}
}
