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45 lines
1.3 KiB
45 lines
1.3 KiB
14 years ago
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#ifndef Magnum_MeshTools_Transform_h
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#define Magnum_MeshTools_Transform_h
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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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/** @file
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* @brief Function Magnum::MeshTools::transform()
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*/
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#include "Math/Matrix.h"
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namespace Magnum { namespace MeshTools {
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/**
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@brief Transform vertices using given matrix
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Usable for mesh transformations that would otherwise negatively affect
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dependent objects, such as (uneven) scaling. Example usage:
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@code
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std::vector<Point3D> vertices;
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MeshTools::transform(Matrix4::scaling({2.0f, 0.5f, 0.0f}), vertices);
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@endcode
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*/
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template<size_t size, class T, class U> inline void transform(const Math::Matrix<size, T>& matrix, U& vertices) {
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for(Math::Vector<size, T>& vertex: vertices)
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vertex = matrix*vertex;
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}
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}}
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#endif
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