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fix vertex-ordering

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This commit is contained in:
David Rose 2004-05-04 23:33:45 +00:00
parent 0cd95c8f8d
commit 2fde94041e
1 changed files with 4 additions and 2 deletions
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6
pandatool/src/dxfprogs/eggToDXFLayer.cxx
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@ -180,9 +180,11 @@ write_3d_face(EggPolygon *poly, ostream &out) {
out << "0\n3DFACE\n" out << "0\n3DFACE\n"
<< "8\n" << _group->get_name() << "\n"; << "8\n" << _group->get_name() << "\n";
// Since DXF uses a clockwise ordering convention, we must
// reverse the order in which we write out the vertices.
int i; int i;
EggPolygon::iterator vi; EggPolygon::reverse_iterator vi;
for (i = 0, vi = poly->begin(); vi != poly->end(); ++i, ++vi) { for (i = 0, vi = poly->rbegin(); vi != poly->rend(); ++i, ++vi) {
EggVertex *vtx = (*vi); EggVertex *vtx = (*vi);
LVecBase3d pos = vtx->get_pos3() * _group->get_vertex_frame(); LVecBase3d pos = vtx->get_pos3() * _group->get_vertex_frame();
out << 10 + i << "\n" << pos[0] << "\n" out << 10 + i << "\n" << pos[0] << "\n"