Disable update for draw

QTProject/subdivision.cpp

@@ -1341,6 +1341,7 @@ bool removeVertex(QVector<Vertex> &vertices, const Vertex &vertex) {
 
 QVector3D Subdivision::updateIrregularVertexForDraw(Vertex currentCorner, QVector<Triangle> neighboring_triangles) {
     QVector<Vertex> surroundingVertex;
+    return currentCorner.pos;
 
     surroundingVertex = getAllVertices(neighboring_triangles);
     bool removed = removeVertex(surroundingVertex, currentCorner);