From 6f60dc61735b1227d96511e13da6f10289264f5d Mon Sep 17 00:00:00 2001
From: ccolin <contact@ccolin.fr>
Date: Wed, 23 Sep 2020 15:06:06 +0200
Subject: [PATCH] implements triangle face check (poorly)

---
 src/main.cpp  | 23 ++++++++++++++++++++++-
 src/my_mesh.h |  4 ++--
 2 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index dd0671c..0b2845d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,6 +3,20 @@
 #include <iostream>
 
 
+bool check_faces_are_triangles(MyMesh &mesh) {
+	for (auto f_it = mesh.faces_begin(); f_it != mesh.faces_end(); ++f_it) {
+		size_t n_edges = 0;
+		for (auto fe_it = mesh.fe_iter(*f_it); fe_it.is_valid(); ++fe_it) {
+			n_edges++;
+		}
+		if (n_edges != 3) {
+			return false;
+		}
+	}
+	return true;
+}
+
+
 int main(int argc, char *argv[]) {
 	using namespace std;
 
@@ -12,6 +26,13 @@ int main(int argc, char *argv[]) {
 	}
 	MyMesh mesh;
 	OpenMesh::IO::read_mesh(mesh, argv[1]);
-	
+	cout << "Les faces sont des triangles : ";
+	if (check_faces_are_triangles(mesh)) {
+		cout << "oui";
+	}
+	else {
+		cout << "non";
+	}
+	cout << endl;
 	return 0;
 }
diff --git a/src/my_mesh.h b/src/my_mesh.h
index 0ca0ce0..e48fa14 100644
--- a/src/my_mesh.h
+++ b/src/my_mesh.h
@@ -2,7 +2,7 @@
 #define MY_MESH_H
 
 #include <OpenMesh/Core/IO/MeshIO.hh>
-#include <OpenMesh/Core/Mesh/TriMesh_ArrayKernelT.hh>
+#include <OpenMesh/Core/Mesh/PolyMesh_ArrayKernelT.hh>
 #include <OpenMesh/Core/Geometry/VectorT.hh>
 
 
@@ -22,7 +22,7 @@ struct MyTraits : public OpenMesh::DefaultTraits {
     // edge thickness
     EdgeTraits{float thickness;};
 };
-typedef OpenMesh::TriMesh_ArrayKernelT<MyTraits> MyMesh;
+typedef OpenMesh::PolyMesh_ArrayKernelT<MyTraits> MyMesh;
 
 
 #endif