private void UpdateMesh(FaceTrackFrame faceTrackingFrame)
{
//Console.Out.WriteLine(" ###################### In UpdateMesh ############################# ");
bool faceInCentre = true;
EnumIndexableCollection <FeaturePoint, Vector3DF> shapePoints = faceTrackingFrame.Get3DShape();
EnumIndexableCollection <FeaturePoint, PointF> projectedShapePoints = faceTrackingFrame.GetProjected3DShape();
if (this.triangleIndices == null)
{
// Update stuff that doesn't change from frame to frame
this.triangleIndices = faceTrackingFrame.GetTriangles();
var indices = new Int32Collection(this.triangleIndices.Length * 3);
foreach (FaceTriangle triangle in this.triangleIndices)
{
indices.Add(triangle.Third);
indices.Add(triangle.Second);
indices.Add(triangle.First);
}
this.theGeometry.TriangleIndices = indices;
this.theGeometry.Normals = null; // Let WPF3D calculate these.
this.theGeometry.Positions = new Point3DCollection(shapePoints.Count);
this.theGeometry.TextureCoordinates = new PointCollection(projectedShapePoints.Count);
for (int pointIndex = 0; pointIndex < shapePoints.Count; pointIndex++)
{
this.theGeometry.Positions.Add(new Point3D());
this.theGeometry.TextureCoordinates.Add(new Point());
}
}
// Update the 3D model's vertices and texture coordinates
for (int pointIndex = 0; pointIndex < shapePoints.Count; pointIndex++)
{
Vector3DF point = shapePoints[pointIndex];
this.theGeometry.Positions[pointIndex] = new Point3D(point.X, point.Y, -point.Z);
PointF projected = projectedShapePoints[pointIndex];
this.theGeometry.TextureCoordinates[pointIndex] =
new Point(
projected.X / (double)this.colorImageWritableBitmap.PixelWidth,
projected.Y / (double)this.colorImageWritableBitmap.PixelHeight);
// Console.Out.WriteLine("X = " + projected.X / (double)this.colorImageWritableBitmap.PixelWidth + "Y = " + projected.Y / (double)this.colorImageWritableBitmap.PixelHeight);
if (projected.X / (double)this.colorImageWritableBitmap.PixelWidth > .6 ||
projected.Y / (double)this.colorImageWritableBitmap.PixelHeight > .75)
{
faceInCentre = false;
}
}
if (faceInCentre)
{
// copyFaceImage();
FaceMesh tempMeshData = new FaceMesh();
tempMeshData.FaceViewport = viewport3d;
FaceMeshData = tempMeshData;
}
}
private void UpdateMesh(FaceTrackFrame faceTrackingFrame)
{
//Console.Out.WriteLine(" ###################### In UpdateMesh ############################# ");
bool faceInCentre = true;
EnumIndexableCollection<FeaturePoint, Vector3DF> shapePoints = faceTrackingFrame.Get3DShape();
EnumIndexableCollection<FeaturePoint, PointF> projectedShapePoints = faceTrackingFrame.GetProjected3DShape();
if (this.triangleIndices == null)
{
// Update stuff that doesn't change from frame to frame
this.triangleIndices = faceTrackingFrame.GetTriangles();
var indices = new Int32Collection(this.triangleIndices.Length * 3);
foreach (FaceTriangle triangle in this.triangleIndices)
{
indices.Add(triangle.Third);
indices.Add(triangle.Second);
indices.Add(triangle.First);
}
this.theGeometry.TriangleIndices = indices;
this.theGeometry.Normals = null; // Let WPF3D calculate these.
this.theGeometry.Positions = new Point3DCollection(shapePoints.Count);
this.theGeometry.TextureCoordinates = new PointCollection(projectedShapePoints.Count);
for (int pointIndex = 0; pointIndex < shapePoints.Count; pointIndex++)
{
this.theGeometry.Positions.Add(new Point3D());
this.theGeometry.TextureCoordinates.Add(new Point());
}
}
// Update the 3D model's vertices and texture coordinates
for (int pointIndex = 0; pointIndex < shapePoints.Count; pointIndex++)
{
Vector3DF point = shapePoints[pointIndex];
this.theGeometry.Positions[pointIndex] = new Point3D(point.X, point.Y, -point.Z);
PointF projected = projectedShapePoints[pointIndex];
this.theGeometry.TextureCoordinates[pointIndex] =
new Point(
projected.X/ (double)this.colorImageWritableBitmap.PixelWidth,
projected.Y/ (double)this.colorImageWritableBitmap.PixelHeight);
// Console.Out.WriteLine("X = " + projected.X / (double)this.colorImageWritableBitmap.PixelWidth + "Y = " + projected.Y / (double)this.colorImageWritableBitmap.PixelHeight);
if (projected.X / (double)this.colorImageWritableBitmap.PixelWidth > .6 ||
projected.Y / (double)this.colorImageWritableBitmap.PixelHeight > .75) faceInCentre = false;
}
if (faceInCentre)
{
// copyFaceImage();
FaceMesh tempMeshData = new FaceMesh();
tempMeshData.FaceViewport = viewport3d;
FaceMeshData = tempMeshData;
}
}
