Check sharpness in isVertexRegular

QTProject/subdivision.cpp

@@ -868,8 +868,13 @@ QVector<unsigned int> Subdivision::patchIBToTriangleIB(QVector<unsigned int> ib)
 }
 
 bool isVertexRegular(Triangle &triangle, Triangle::Neighbor current_neighbor, QMap<Triangle, Triangle::Neighbors> neighbors) {
-    unsigned int count = 1;
     assert(current_neighbor.triangle != NULL);
+    unsigned int count = 1;
+    bool is_sharp =
+            triangle.get_sharpness_uv() > 0 ||
+            triangle.get_sharpness_vw() > 0 ||
+            triangle.get_sharpness_wu() > 0;
+    if (is_sharp) return false;
     while (count < 6 && *current_neighbor.triangle != triangle) {
         count++;
         current_neighbor = neighbors.value(*current_neighbor.triangle).get_neighbor(rotate_edge_name(current_neighbor.edge.name));