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- fixed: When the node builder is used for triangulation, all zero-length lines must be eliminated first.

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These can cause triangulation errors.
This commit is contained in:
Christoph Oelckers 2021-05-23 09:15:53 +02:00
parent bea0379830
commit cc1def8d77
1 changed files with 8 additions and 0 deletions
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8
source/core/sectorgeometry.cpp
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@ -369,6 +369,14 @@ bool SectorGeometry::MakeVertices2(unsigned int secnum, int plane, const FVector
for (unsigned i = 0; i < lines.Size(); i++) for (unsigned i = 0; i < lines.Size(); i++)
{ {
auto p1 = lines[i].v1->p, p2 = lines[i].v2->p; auto p1 = lines[i].v1->p, p2 = lines[i].v2->p;
// Throw out any line with zero length.
if (p1 == p2)
{
lines.Delete(i);
continue;
}
for (unsigned j = i + 1; j < lines.Size(); j++) for (unsigned j = i + 1; j < lines.Size(); j++)
{ {
auto pp1 = lines[j].v1->p, pp2 = lines[j].v2->p; auto pp1 = lines[j].v1->p, pp2 = lines[j].v2->p;