From 3eaedf2f3d7a27a14dc82c6c0ff4e8d91a72adfe Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.s@egaltech.com>
Date: Sat, 7 Mar 2020 10:18:31 +0000
Subject: [PATCH] =?UTF-8?q?EgtGeomKernel=20:=20-=20modifica=20a=20intersez?=
 =?UTF-8?q?ione=20triangoli=20(resa=20pi=C3=B9=20robusta).?=
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---
 IntersTriaTria.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/IntersTriaTria.cpp b/IntersTriaTria.cpp
index 1648017..36ff54b 100644
--- a/IntersTriaTria.cpp
+++ b/IntersTriaTria.cpp
@@ -85,7 +85,7 @@ IntersTriaTria( const Triangle3d& trTria1, const Triangle3d& trTria2, Point3d& p
       return ITTT_NO ;
 
   // se i triangoli sono complanari
-   if ( nresPP == IPPT_OVERLAPS)
+   if ( nresPP == IPPT_OVERLAPS  ||  ( nVertPos1 == 0  &&  nVertNeg1 == 0)  ||  ( nVertPos2 == 0  &&  nVertNeg2 == 0))
       return IntersCoplanarTriaTria( trTria1, trTria2, vTria) ;
 
   // limito la linea di intersezione con il primo triangolo