61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file
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* \ingroup freestyle
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* \brief Class to fill in a grid from a SceneGraph (uses only the WingedEdge structures)
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*/
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#include "WSFillGrid.h"
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#include "WEdge.h"
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namespace Freestyle {
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void WSFillGrid::fillGrid()
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{
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if (!_winged_edge || !_grid) {
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return;
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}
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vector<WShape *> wshapes = _winged_edge->getWShapes();
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vector<WVertex *> fvertices;
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vector<Vec3r> vectors;
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vector<WFace *> faces;
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for (vector<WShape *>::const_iterator it = wshapes.begin(); it != wshapes.end(); ++it) {
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faces = (*it)->GetFaceList();
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for (vector<WFace *>::const_iterator f = faces.begin(); f != faces.end(); ++f) {
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(*f)->RetrieveVertexList(fvertices);
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for (vector<WVertex *>::const_iterator wv = fvertices.begin(); wv != fvertices.end(); ++wv) {
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vectors.emplace_back((*wv)->GetVertex());
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}
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// occluder will be deleted by the grid
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Polygon3r *occluder = new Polygon3r(vectors, (*f)->GetNormal());
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occluder->setId(_polygon_id++);
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occluder->userdata = (void *)(*f);
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_grid->insertOccluder(occluder);
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vectors.clear();
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fvertices.clear();
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}
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faces.clear();
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}
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}
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} /* namespace Freestyle */
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