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/*
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
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This file is part of Magnum.
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Magnum is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 3
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only, as published by the Free Software Foundation.
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Magnum 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 Lesser General Public License version 3 for more details.
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*/
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#include "FlipNormals.h"
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using namespace std;
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namespace Magnum { namespace MeshTools {
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void flipFaceWinding(vector<unsigned int>& indices) {
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CORRADE_ASSERT(!(indices.size()%3), "MeshTools::flipNormals(): index count is not divisible by 3!", )
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for(size_t i = 0; i != indices.size(); i += 3)
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swap(indices[i+1], indices[i+2]);
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}
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void flipNormals(vector<Vector3>& normals) {
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for(Vector3& normal: normals)
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normal = -normal;
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}
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}}
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