/// <summary>
/// Classify faces as being inside, outside or on boundary of other object
/// </summary>
/// <param name="otherObject">object 3d used for the comparison</param>
public void ClassifyFaces(CsgObject3D otherObject, CancellationToken cancellationToken, Action <CsgFace> classifyFaces = null)
{
var otherBounds = otherObject.Bounds;
foreach (var vertex in vertices)
{
cancellationToken.ThrowIfCancellationRequested();
if (!otherBounds.Contains(vertex.Position) &&
vertex.Status != FaceStatus.Outside)
{
vertex.Status = FaceStatus.Outside;
}
}
//calculate adjacency information
Faces.All();
foreach (var face in Faces.QueryResults)
{
cancellationToken.ThrowIfCancellationRequested();
face.v1.AddAdjacentVertex(face.v2);
face.v1.AddAdjacentVertex(face.v3);
face.v2.AddAdjacentVertex(face.v1);
face.v2.AddAdjacentVertex(face.v3);
face.v3.AddAdjacentVertex(face.v1);
face.v3.AddAdjacentVertex(face.v2);
}
// for each face
foreach (var face in Faces.QueryResults)
{
cancellationToken.ThrowIfCancellationRequested();
// If the face vertices can't be classified with the simple classify
if (face.SimpleClassify() == false)
{
//makes the ray trace classification
face.RayTraceClassify(otherObject);
//mark the vertices
if (face.v1.Status == FaceStatus.Unknown)
{
face.v1.Mark(face.Status);
}
if (face.v2.Status == FaceStatus.Unknown)
{
face.v2.Mark(face.Status);
}
if (face.v3.Status == FaceStatus.Unknown)
{
face.v3.Mark(face.Status);
}
}
classifyFaces?.Invoke(face);
}
}
