From 05df003e6f74e32621173985f1560ee54c6e6e4d Mon Sep 17 00:00:00 2001
From: Paolo Cignoni <paolo.cignoni@isti.cnr.it>
Date: Wed, 30 Aug 2017 15:58:22 +0200
Subject: [PATCH] Added TriSplit helper function

---
 vcg/simplex/face/topology.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/vcg/simplex/face/topology.h b/vcg/simplex/face/topology.h
index 45d54e7e..636d6674 100644
--- a/vcg/simplex/face/topology.h
+++ b/vcg/simplex/face/topology.h
@@ -710,6 +710,22 @@ void FlipEdge(FaceType &f, const int z)
     
 }
 
+template <class FaceType>
+void TriSplit(FaceType *fToSplit, FaceType *newf0, FaceType *newf1, typename FaceType::VertexType *newVert)
+{
+  typedef typename FaceType::VertexType VertexType;
+  
+  VertexType *vp0 = fToSplit->V(0);
+  VertexType *vp1 = fToSplit->V(1);
+  VertexType *vp2 = fToSplit->V(2);
+  
+  fToSplit->V(0) = vp0; fToSplit->V(1) = vp1; fToSplit->V(2) = newVert;
+  newf0->V(0) = vp1; newf0->V(1) = vp2; newf0->V(2) = newVert;
+  newf1->V(0) = vp2; newf1->V(1) = vp0; newf1->V(2) = newVert;    
+}
+
+
+
 template <class FaceType>
 void VFDetach(FaceType & f)
 {