67 lines
1.7 KiB
C++
67 lines
1.7 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 define the representation of a triangle
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*/
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#include "TriangleRep.h"
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namespace Freestyle {
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void TriangleRep::ComputeBBox()
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{
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real XMax = _vertices[0][0];
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real YMax = _vertices[0][1];
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real ZMax = _vertices[0][2];
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real XMin = _vertices[0][0];
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real YMin = _vertices[0][1];
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real ZMin = _vertices[0][2];
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// parse all the coordinates to find the XMax, YMax, ZMax
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for (int i = 0; i < 3; ++i) {
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// X
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if (_vertices[i][0] > XMax) {
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XMax = _vertices[i][0];
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}
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if (_vertices[i][0] < XMin) {
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XMin = _vertices[i][0];
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}
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// Y
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if (_vertices[i][1] > YMax) {
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YMax = _vertices[i][1];
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}
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if (_vertices[i][1] < YMin) {
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YMin = _vertices[i][1];
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}
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// Z
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if (_vertices[i][2] > ZMax) {
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ZMax = _vertices[i][2];
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}
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if (_vertices[i][2] < ZMin) {
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ZMin = _vertices[i][2];
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}
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}
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setBBox(BBox<Vec3r>(Vec3r(XMin, YMin, ZMin), Vec3r(XMax, YMax, ZMax)));
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}
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} /* namespace Freestyle */
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