private async void Window_Loaded(object sender, RoutedEventArgs e)
{
while (true)
{
// Get Capture Frame
using (K4A.Capture capture = await Task.Run(() => { return(this.device.GetCapture()); }))
{
// Enque Capture
tracker.EnqueueCapture(capture);
// Pop Result
using (K4ABT.Frame frame = tracker.PopResult())
// Get Color Image
using (K4A.Image color_image = frame.Capture.Color)
{
// Get Color Buffer and Write Bitmap
byte[] color_buffer = color_image.Memory.ToArray();
color_bitmap.WritePixels(color_rect, color_buffer, color_stride, 0, 0);
// Clear All Ellipse from Canvas
Canvas_Body.Children.Clear();
// Draw Skeleton
for (uint body_index = 0; body_index < frame.NumberOfBodies; body_index++)
{
// Get Skeleton and ID
K4ABT.Skeleton skeleton = frame.GetBodySkeleton(body_index);
uint id = frame.GetBodyId(body_index);
// Draw Joints
for (int joint_index = 0; joint_index < (int)K4ABT.JointId.Count; joint_index++)
{
// Get Joint and Position
K4ABT.Joint joint = skeleton.GetJoint(joint_index);
Vector2? position = calibration.TransformTo2D(joint.Position, K4A.CalibrationDeviceType.Depth, K4A.CalibrationDeviceType.Color);
if (!position.HasValue)
{
continue;
}
// Create Ellipse
const int radius = 10;
SolidColorBrush stroke_color = new SolidColorBrush(colors[id % colors.Length]);
SolidColorBrush fill_color = new SolidColorBrush((joint.ConfidenceLevel >= K4ABT.JointConfidenceLevel.Medium) ? colors[id % colors.Length] : Colors.Transparent);
Ellipse ellipse = new Ellipse()
{
Width = radius, Height = radius, StrokeThickness = 1, Stroke = stroke_color, Fill = fill_color
};
// Add Ellipse to Canvas
Canvas.SetLeft(ellipse, position.Value.X - (radius / 2));
Canvas.SetTop(ellipse, position.Value.Y - (radius / 2));
Canvas_Body.Children.Add(ellipse);
}
}
}
}
}
}
