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74 lines
2.5 KiB
74 lines
2.5 KiB
#ifndef Magnum_MeshTools_FlipNormals_h |
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#define Magnum_MeshTools_FlipNormals_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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/** @file |
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* @brief Function Magnum::MeshTools::flipNormals() |
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*/ |
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#include <vector> |
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#include "Magnum.h" |
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#include "magnumMeshToolsVisibility.h" |
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namespace Magnum { namespace MeshTools { |
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/** |
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@brief Flip face winding |
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The same as flipNormals(std::vector<UnsignedInt>&, std::vector<Vector3>&), |
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but flips only face winding. |
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*/ |
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void MAGNUM_MESHTOOLS_EXPORT flipFaceWinding(std::vector<UnsignedInt>& indices); |
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/** |
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@brief Flip mesh normals |
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The same as flipNormals(std::vector<UnsignedInt>&, std::vector<Vector3>&), |
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but flips only normals, not face winding. |
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*/ |
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void MAGNUM_MESHTOOLS_EXPORT flipNormals(std::vector<Vector3>& normals); |
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/** |
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@brief Flip mesh normals and face winding |
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@param[in,out] indices Index array to operate on |
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@param[in,out] normals Normal array to operate on |
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Flips normal vectors and face winding in index array for face culling to work |
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properly too. See also flipNormals(std::vector<Vector3>&) and |
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flipFaceWinding(), which flip normals or face winding only. |
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@attention The function requires the mesh to have triangle faces, thus index |
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count must be divisible by 3. |
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*/ |
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inline void flipNormals(std::vector<UnsignedInt>& indices, std::vector<Vector3>& normals) { |
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flipFaceWinding(indices); |
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flipNormals(normals); |
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} |
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}} |
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#endif
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