public HandFrameReadyEventArgs(DepthImage handImage)
{
HandImage = handImage;
}
private void DrawHandImage(DepthImage handImage, Rectangle targetArea)
{
// Draw the hand
var zoom = Math.Min(targetArea.Width / handImage.SourceRectangle.Width, targetArea.Height / handImage.SourceRectangle.Height);
var position = new Vector2(targetArea.X + (targetArea.Width - zoom * handImage.SourceRectangle.Width) / 2, targetArea.Y + (targetArea.Height - zoom * handImage.SourceRectangle.Height) / 2);
spriteBatch.Draw(handImage.Texture, position, handImage.SourceRectangle, Color.White, 0, Vector2.Zero, zoom, SpriteEffects.None, 0);
// Draw the gesture points
if (handImage == LeftHand)
{
position.X -= zoom * handImage.SourceRectangle.X;
position.Y -= zoom * handImage.SourceRectangle.Y;
foreach (var point in Contour)
{
DrawHandPoint(point, position, zoom, Color.White);
}
foreach (var point in ConvexHull)
{
DrawHandPoint(point, position, zoom, Color.Green);
}
foreach (var fingertip in Fingertips)
{
DrawHandPoint(fingertip.Point, position, zoom, Color.Red/*, string.Format("[{0,4:F2}]", fingertip.Score)*/);
}
return;
}
}
private void IdentifyGestures(DepthImage hand)
{
var hull = hand.CalculateConvexHull();
var contour = hand.CalculateContour();
var fingertips = new List<FingertipCandidate>();
// Only search for fingertips if we have a reasonable outline
if (contour.Length > 64)
{
// Filter out the bad candidates and order the rest by score
IEnumerable<FingertipCandidate> candidates = hull.Intersect(contour)
.Select(p => new FingertipCandidate { Point = p, Score = ScoreCandidate(p, contour) })
.Where(c => c.Score < Math.PI / 3)
.OrderBy(c => c.Score);
// Find the best five candidates, clearing out neighbours
while (fingertips.Count <= 5 && candidates.Any())
{
var fingertip = candidates.First();
fingertips.Add(fingertip);
candidates = candidates.Where(c => new Vector2(c.Point.X - fingertip.Point.X, c.Point.Y - fingertip.Point.Y).LengthSquared() > 18);
}
}
// Update our gesture confidence
if (fingertips.Count == FingerCount)
{
FingerConfidence++;
}
else
{
FingerConfidence = 0;
}
FingerCount = fingertips.Count;
lock (GraphicsDevice)
{
ConvexHull = hull;
Contour = contour;
Fingertips = fingertips;
}
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
base.Initialize();
this.IsMouseVisible = true;
// Sound
sound = new DynamicSoundEffectInstance(SampleRate, Channels);
sound.Play();
// Images
colorTexture = new Texture2D(graphics.GraphicsDevice, FrameWidth, FrameHeight);
LeftHand = new DepthImage(graphics.GraphicsDevice, DepthFrameWidth, DepthFrameHeight);
RightHand = new DepthImage(graphics.GraphicsDevice, DepthFrameWidth, DepthFrameHeight);
// Gesture Recognition
LeftHandTracker = new HandTracker();
//Thread gestureThread = new Thread(new ThreadStart(IdentifyGestures));
//gestureThread.Start();
//Thread kinectThread = new Thread(new ThreadStart(StartKinect));
//kinectThread.Start();
StartKinect();
}
