const Contour& mcontour = (*it).contour;
for (size_t n = 0; n < ncontour.size(); ++n) {
- const IfcVector2& n0 = ncontour[n];
- const IfcVector2& n1 = ncontour[(n+1) % ncontour.size()];
+ const IfcVector2 n0 = ncontour[n];
+ const IfcVector2 n1 = ncontour[(n+1) % ncontour.size()];
for (size_t m = 0, mend = (is_me ? n : mcontour.size()); m < mend; ++m) {
ai_assert(&mcontour != &ncontour || m < n);
- const IfcVector2& m0 = mcontour[m];
- const IfcVector2& m1 = mcontour[(m+1) % mcontour.size()];
+ const IfcVector2 m0 = mcontour[m];
+ const IfcVector2 m1 = mcontour[(m+1) % mcontour.size()];
IfcVector2 isect0, isect1;
if (IntersectingLineSegments(n0,n1, m0, m1, isect0, isect1)) {