private void DetectMarkers(WriteableBitmap bmp)
{
// Init. here because the captureSource.VideoCaptureDevice.DesiredFormat getter is not reliable and throws an Exception
if (!isInit)
{
// Init AR
arDetector.Initialize(bmp.PixelWidth, bmp.PixelHeight, Game.Camera.Near, Game.Camera.Far, new List <Marker> {
slarMarker
});
isInit = true;
}
// Detect
var dr = arDetector.DetectAllMarkers(bmp);
// Reused for marker highlighting
bmp.Clear();
ViewportOverlay.Source = bmp;
if (dr.HasResults)
{
var transformation = Balder.Math.Matrix.CreateTranslation(0, -5, 0) * Balder.Math.Matrix.CreateRotationX(90) * dr[0].Transformation.ToBalder();
Game.SetWorldMatrix(transformation);
// Highlight detected markers
var txt = String.Empty;
foreach (var r in dr)
{
bmp.DrawQuad((int)r.Square.P1.X, (int)r.Square.P1.Y, (int)r.Square.P2.X, (int)r.Square.P2.Y, (int)r.Square.P3.X, (int)r.Square.P3.Y, (int)r.Square.P4.X, (int)r.Square.P4.Y, Colors.Red);
txt += String.Format("{0}.Confidence = {1:0.00} ", r.Marker.Name, r.Confidence);
}
}
}
private void InitializeDetector(int width, int height)
{
// Init AR
arDetector.Initialize(width, height, camera.Near, camera.Far, new List <Marker> {
slarMarker, lMarker
});
camera.AspectRatio = (float)width / height;
Sun.ScreenSize = new Vector2(width, height);
}
private void InitializeDetector(int width, int height)
{
// Load App resources and init AR
arDetector = new BitmapMarkerDetector();
var marker = Marker.LoadFromResource("data/Marker_SLAR_16x16segments_80width.pat", 16, 16, 80.0);
arDetector.Initialize(width, height, Game.Camera.Near, Game.Camera.Far, new List <Marker> {
marker
});
// Camera.CustomProjectionMatrix = arDetector.Projection.ToBalderMatrix();
}
private void InitializeARDetector()
{
// Initialize the Detector
// Load the marker pattern. It has 16x16 segments and a width of 80 millimeters
//creating a marker list
markerList = new List <Marker>();
for (int i = 0; i <= 2; i++)
{
Marker marker = new Marker();
string url = "Resources/Marker/marker" + i + ".pat";
marker = Marker.LoadFromResource(url, 16, 16, 80);
markerList.Add(marker);
}
// The perspective projection has the near plane at 1 and the far plane at 4000
bmdList = new BitmapMarkerDetector();
bmdList.Initialize(640, 480, 1, 4000, markerList);
}
