From c47feff3948a36b4d581ac045b29a9203e479267 Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.sassi@egalware.com>
Date: Tue, 14 Jan 2025 08:44:31 +0100
Subject: [PATCH] Include : - aggiunta seconda versione di CalcNormal per
 normale in un punto di un triangolo come media baricentrica di quelle ai
 vertici.

---
 EGkTriangle3d.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/EGkTriangle3d.h b/EGkTriangle3d.h
index e9f4e3a..c08641c 100644
--- a/EGkTriangle3d.h
+++ b/EGkTriangle3d.h
@@ -455,6 +455,13 @@ CalcNormal( const Point3d& ptP, const Triangle3d& Tria, const TriNormals3d& Tnor
    return vtNorm.Normalize( EPS_ZERO) ;
 }
 
+//----------------------------------------------------------------------------
+inline bool
+CalcNormal( const Point3d& ptP, const Triangle3dEx& Tria, Vector3d& vtNorm)
+{
+   return CalcNormal( ptP, Tria, Tria.GetTriNormals(), vtNorm) ;
+}
+
 //----------------------------------------------------------------------------
 enum TriangleType { OPEN = -1, EXACT = 0, CLOSED = 1 };