From dc17c648dc6984cc7ab9516e770d2c79aa68ca2d Mon Sep 17 00:00:00 2001
From: LorenzoM <lorenzo.mangia@egalware.com>
Date: Fri, 25 Jun 2021 17:10:15 +0200
Subject: [PATCH] Migliorie in polyline e split parti triangolabili

---
 PolyLine.cpp            | 20 +++++++++++---------
 SurfTriMeshBooleans.cpp |  4 ++--
 2 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/PolyLine.cpp b/PolyLine.cpp
index 4875cf9..7604606 100644
--- a/PolyLine.cpp
+++ b/PolyLine.cpp
@@ -1300,7 +1300,7 @@ PolyLine::Trim( const Plane3d& plPlane, bool bInVsOut)
 }
 
 //----------------------------------------------------------------------------
-/*static*/ bool
+bool
 ChangePolyLineStart( const Point3d& ptNewStart, PolyLine& Loop, double dTol)
 {
    // Rinomino la lista di punti della PolyLine.
@@ -1361,11 +1361,12 @@ ChangePolyLineStart( const Point3d& ptNewStart, PolyLine& Loop, double dTol)
 
 //----------------------------------------------------------------------------
 // nSegNum 0-based
-/*static*/ bool
-PointPositionOnPolyLine( const Point3d& ptPoint, /*const*/ PolyLine& Loop, int& nSegNum, double& dParOnSeg, double dTol)
+bool
+PointPositionOnPolyLine( const Point3d& ptPoint, const PolyLine& Loop, int& nSegNum, double& dParOnSeg, double dTol)
 {
    // Rinomino la lista di punti della PolyLine.
-   /*const*/ PNTULIST& LoopList = Loop.GetUPointList() ;
+   PolyLine& MyLoopRef = const_cast<PolyLine&> ( Loop) ;
+   const PNTULIST& LoopList = MyLoopRef.GetUPointList() ;
    // Ciclo sui segmenti del loop per cercare il tratto del loop chiuso più vicino al punto.
    nSegNum = - 1 ;
    double dMinSqDist = DBL_MAX ;
@@ -1404,14 +1405,15 @@ PointPositionOnPolyLine( const Point3d& ptPoint, /*const*/ PolyLine& Loop, int&
 }
 
 //----------------------------------------------------------------------------
-/*static*/ bool
-IsPointInsidePolyLine( const Point3d& ptP, /*const*/ PolyLine& plPoly)
+bool
+IsPointInsidePolyLine( const Point3d& ptP, const PolyLine& plPoly)
 {
    // Se la PolyLine non è chiusa, il punto non può essere interno.
    if ( ! plPoly.IsClosed())
       return false ;
    // Lista dei punti
-   /*const*/ PNTULIST& List = plPoly.GetUPointList() ;
+   PolyLine& MyPolyRef = const_cast<PolyLine&> ( plPoly) ;
+   const PNTULIST& List = MyPolyRef.GetUPointList() ;
    // Ciclo sui segmenti della PolyLine per cercarne il tratto più vicino al punto.
    double dMinSqDist = DBL_MAX ;
    Point3d ptMinDist ;
@@ -1541,7 +1543,7 @@ DistPointPolyLine( const Point3d& ptP, const PolyLine& plPoly, double& dPointPol
 }
 
 //----------------------------------------------------------------------------
-/*static*/ bool
+bool
 SplitPolyLineAtPoint( const Point3d& ptPoint, /*const*/ PolyLine& Loop, PolyLine& Loop1, PolyLine& Loop2, double dTol)
 {
    // Rinomino la lista di punti della PolyLine.
@@ -1594,7 +1596,7 @@ SplitPolyLineAtPoint( const Point3d& ptPoint, /*const*/ PolyLine& Loop, PolyLine
 }
 
 //----------------------------------------------------------------------------
-/*static*/ bool
+bool
 AddPolyLineToPolyLine( PolyLine& Poly, PolyLine& PolyToAdd, double dTol)
 {
    // Se la PolyLine a cui devo aggiungere l'altra è chiusa, non posso aggiungere nulla.
diff --git a/SurfTriMeshBooleans.cpp b/SurfTriMeshBooleans.cpp
index 64dfe29..d7f0f9d 100644
--- a/SurfTriMeshBooleans.cpp
+++ b/SurfTriMeshBooleans.cpp
@@ -4162,7 +4162,7 @@ SplitPolyLineContour( const POLYLINEVECTOR& vContourVec, POLYLINEVECTOR& vContou
       return false ;
    // Se la complessità non è eccessiva, non procedo.
    int nPointsNum = vContourVec[0].GetPointNbr() ;
-   if ( nPointsNum < 10)
+   if ( nPointsNum < 4)
       return false ;
    for ( int n = 1 ; n < int( vContourVec.size()) ; ++ n)
       nPointsNum += vContourVec[n].GetPointNbr() ; 
@@ -4478,7 +4478,7 @@ SurfTriMesh::IntersectTriMeshFacets( SurfTriMesh& Other)
 {  ////////////////////////////////////////////////////////////////////////////////////////////////////////
    static int nTime = 0;
    nTime++;
-   if (nTime == 14)
+   if (nTime == 4)
       nTime = 0;
    ////////////////////////////////////////////////////////////////////////////////////////////////////////
    SurfTriMesh& SurfB = Other ;