diff options
| -rw-r--r-- | polyset.cc | 20 |
1 files changed, 17 insertions, 3 deletions
@@ -225,7 +225,17 @@ public: for (int i = 0; i < ps->polygons.size(); i++) { const PolySet::Polygon *poly = &ps->polygons[i]; - B.begin_facet(); + QHash<int,int> fc; + bool facet_is_degenerated = false; + for (int j = 0; j < poly->size(); j++) { + const PolySet::Point *p = &poly->at(j); + int v = vertices_idx.data(p->x, p->y, p->z); + if (fc[v]++ > 0) + facet_is_degenerated = true; + } + + if (!facet_is_degenerated) + B.begin_facet(); #ifdef GEN_SURFACE_DEBUG printf("F:"); #endif @@ -234,12 +244,16 @@ public: #ifdef GEN_SURFACE_DEBUG printf(" %d", vertices_idx.data(p->x, p->y, p->z)); #endif - B.add_vertex_to_facet(vertices_idx.data(p->x, p->y, p->z)); + if (!facet_is_degenerated) + B.add_vertex_to_facet(vertices_idx.data(p->x, p->y, p->z)); } #ifdef GEN_SURFACE_DEBUG + if (facet_is_degenerated) + printf(" (degenerated)\n"); printf("\n"); #endif - B.end_facet(); + if (!facet_is_degenerated) + B.end_facet(); } #ifdef GEN_SURFACE_DEBUG |