Use pointer to vertex buffer in Triangle

QTProject/subdivision.cpp

@@ -155,11 +155,11 @@ Subdivision::Tables Subdivision::precomputeTables(Input input) {
 
     QVector<Triangle> triangles;
     for (int i = 0; i < ib.length(); i+=3) {
-        triangles.push_back(Triangle(vb, ib[i], ib[i+1], ib[i+2]));
+        triangles.push_back(Triangle(&vb, ib[i], ib[i+1], ib[i+2]));
     }
     QVector<Triangle> triangles_regular;
     for (int i = 0; i < ib_regular.length(); i+=3) {
-        triangles.push_back(Triangle(vb, ib_regular[i], ib_regular[i+1], ib_regular[i+2]));
+        triangles.push_back(Triangle(&vb, ib_regular[i], ib_regular[i+1], ib_regular[i+2]));
     }
 
     precomputeEdgeTable(tables, triangles, triangles_regular, (unsigned int) vb.length());
@@ -458,14 +458,14 @@ QVector<unsigned int> Subdivision::getPatchIndexBuffer(QVector<unsigned int> ib_
             }
         }
 
-        Triangle t367(vb,i3,i6,i7);
+        Triangle t367(&vb,i3,i6,i7);
 
         for (int j = i+3; j < ib_combined.length()-2; j += 3){
             unsigned int j0 = ib_combined[j];
             unsigned int j1 = ib_combined[j+1];
             unsigned int j2 = ib_combined[j+2];
 
-            Triangle tj(vb,j0,j1,j2);
+            Triangle tj(&vb,j0,j1,j2);
 
             if (t367.hasSharedEdge(tj)){
                 QVector<Triangle> neighbors = adj.value(tj,QVector<Triangle>());
@@ -488,7 +488,7 @@ QVector<unsigned int> Subdivision::getPatchIndexBuffer(QVector<unsigned int> ib_
         i3 = ib_regular[i];
         i6 = ib_regular[i+1];
         i7 = ib_regular[i+2];
-        Triangle ti(vb,i3,i6,i7);
+        Triangle ti(&vb,i3,i6,i7);
         bool found0, found1, found5, found8, found9, found11;
         QVector<Triangle> neighbors = adj.value(ti,QVector<Triangle>());
         for (int j = 0; j < neighbors.length(); j++){

QTProject/triangle.cpp

@@ -13,7 +13,7 @@ Triangle::Triangle(const Triangle &other) {
     this->w_ = other.w_;
 }
 
-Triangle::Triangle(const QVector<Vertex> &vertex_buffer, unsigned int u, unsigned int v, unsigned int w) {
+Triangle::Triangle(const QVector<Vertex> *vertex_buffer, unsigned int u, unsigned int v, unsigned int w) {
     this->vertex_buffer_ = vertex_buffer;
     this->u_ = u;
     this->v_ = v;
@@ -21,15 +21,15 @@ Triangle::Triangle(const QVector<Vertex> &vertex_buffer, unsigned int u, unsigne
 }
 
 Vertex Triangle::u() const {
-    return vertex_buffer_[u_];
+    return (*vertex_buffer_)[u_];
 }
 
 Vertex Triangle::v() const {
-    return vertex_buffer_[v_];
+    return (*vertex_buffer_)[v_];
 }
 
 Vertex Triangle::w() const {
-    return vertex_buffer_[w_];
+    return (*vertex_buffer_)[w_];
 }
 
 unsigned int Triangle::u_idx() const {

QTProject/triangle.h

@@ -23,7 +23,7 @@ class Triangle {
 
         Triangle();
         Triangle(const Triangle &other);
-        Triangle(const QVector<Vertex> &vertex_buffer, unsigned int u, unsigned int v, unsigned int w);
+        Triangle(const QVector<Vertex> *vertex_buffer, unsigned int u, unsigned int v, unsigned int w);
 
         Vertex u() const;
         Vertex v() const;
@@ -48,7 +48,7 @@ class Triangle {
         bool next_clockwise(Edge first, Edge next) const;
 
     private:
-        QVector<Vertex> vertex_buffer_;
+        const QVector<Vertex> *vertex_buffer_;
         unsigned int u_;
         unsigned int v_;
         unsigned int w_;