/// <summary>
/// Create a simple shallow copy of these mesh faces
/// </summary>
/// <returns></returns>
public MeshFaceCollection FastDuplicate()
{
var result = new MeshFaceCollection();
foreach (MeshFace face in this)
{
result.Add(new MeshFace(face));
}
return(result);
}
/// <summary>
/// Get all mesh faces in this collection that contain any vertices
/// shared with the specified vertex collection
/// </summary>
/// <param name="vertices"></param>
/// <returns></returns>
public MeshFaceCollection AllWithVertices(VertexCollection vertices)
{
var result = new MeshFaceCollection();
foreach (MeshFace face in this)
{
if (face.ContainsAnyVertex(vertices))
{
result.Add(face);
}
}
return(result);
}
/// <summary>
/// Trim this collection of faces to only those which fit within the specified boundary polygon
/// on the XY plane
/// </summary>
/// <param name="boundary"></param>
/// <param name="vertices">Optional. The collection of vertices to which new vertices created during
/// this process should be added.</param>
/// <returns></returns>
public MeshFaceCollection TrimToPolygonXY(IList <Vertex> boundary, IList <Vertex> vertices = null)
{
MeshFaceCollection result = new MeshFaceCollection();
foreach (MeshFace face in this)
{
IList <MeshFace> splitFaces = Intersect.PolygonOverlapXY <MeshFace>(face, boundary, vertices);
if (splitFaces != null)
{
foreach (MeshFace sFace in splitFaces)
{
result.Add(sFace);
}
}
}
return(result);
}