//--------------------------------------------------------------------------------------------------
public TopoDS_Compound Reconstruct()
{
var compound = new TopoDS_Compound();
var builder = new BRep_Builder();
builder.MakeCompound(compound);
var thicknessVector = SliceDirection.ToVec().Multiplied(SliceThickness / Slices.Length);
if (thicknessVector.SquareMagnitude() == 0)
{
Messages.Error("Sliced shape has no thickness.");
return(compound);
}
for (int index = 0; index < Slices.Length; index++)
{
var basePlane = Slices[index].CutPlane.Translated(thicknessVector.Multiplied(0.5).ToPnt(), Pnt.Origin);
var location = new TopLoc_Location(new Trsf(basePlane.Position, Ax3.XOY));
var relocatedShape = Slices[index].BRep.Located(location);
var thickener = new BRepPrimAPI_MakePrism(relocatedShape, thicknessVector, true);
builder.Add(compound, thickener.Shape());
}
return(compound);
}
//--------------------------------------------------------------------------------------------------
bool _Make2D()
{
// We work with 2D shapes as source
var faceShape = GetOperand2DFaces(0, null);
if (faceShape == null)
{
return(false);
}
// Get plane
if (!FaceAlgo.GetPlaneOfFaces(faceShape, out var plane))
{
return(false);
}
// If extrusion vector has zero length, just copy the source shape converted to faces
if (Depth == 0)
{
BRep = faceShape;
return(base.MakeInternal(MakeFlags.NoTransformation));
}
// Generate vector
var vector = plane.Axis.Direction.ToVec().Multiplied(Depth);
// Offset if symmetric
if (Symmetric)
{
var offset = vector.Reversed().Multiplied(0.5);
var transform = new BRepBuilderAPI_Transform(faceShape, new Trsf(Pnt.Origin, offset.ToPnt()));
faceShape = transform.Shape();
}
// Do it!
var makePrism = new BRepPrimAPI_MakePrism(faceShape, vector);
// Get final shape
BRep = makePrism.Shape();
return(true);
}
//--------------------------------------------------------------------------------------------------
bool _MakeFlangeSection(MakeContext context)
{
if (_Length <= 0)
{
return(true);
}
var brepAdaptor = new BRepAdaptor_Surface(context.FlangeFace);
if (brepAdaptor.GetGeomType() != GeomAbs_SurfaceType.GeomAbs_Plane)
{
Messages.Error("Flanges can only be added to planar faces.");
return(false);
}
var direction = brepAdaptor.Plane().Position.Direction;
if (context.FlangeFace.Orientation() == TopAbs_Orientation.TopAbs_REVERSED)
{
direction.Reverse();
}
// Extrude
var makePrism = new BRepPrimAPI_MakePrism(context.FlangeFace, direction.ToVec().Multiplied(_Length));
if (!makePrism.IsDone())
{
Messages.Error("Failed building flange.");
return(false);
}
var flangeShape = makePrism.Shape();
// Rotate if bended
if (_Angle > 0)
{
var trsf = new Trsf(context.BendAxis, _Angle.Clamp(0.0, 180.0).ToRad());
flangeShape.Location(new TopLoc_Location(trsf));
}
context.FlangeShape = flangeShape;
return(true);
}
