mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.7 KiB
82 lines
2.7 KiB
#ifndef Magnum_Primitives_Icosphere_h |
|
#define Magnum_Primitives_Icosphere_h |
|
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a |
|
copy of this software and associated documentation files (the "Software"), |
|
to deal in the Software without restriction, including without limitation |
|
the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
and/or sell copies of the Software, and to permit persons to whom the |
|
Software is furnished to do so, subject to the following conditions: |
|
|
|
The above copyright notice and this permission notice shall be included |
|
in all copies or substantial portions of the Software. |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
DEALINGS IN THE SOFTWARE. |
|
*/ |
|
|
|
/** @file |
|
* @brief Class Magnum::Primitives::Icosphere |
|
*/ |
|
|
|
#include "Math/Vector3.h" |
|
#include "MeshTools/Subdivide.h" |
|
#include "MeshTools/Clean.h" |
|
#include "Trade/MeshData3D.h" |
|
|
|
#include "Primitives/magnumPrimitivesVisibility.h" |
|
|
|
namespace Magnum { namespace Primitives { |
|
|
|
/** @todoc Remove `ifndef` when Doxygen is sane again */ |
|
#ifndef DOXYGEN_GENERATING_OUTPUT |
|
template<std::size_t subdivisions> class MAGNUM_PRIMITIVES_EXPORT Icosphere; |
|
#endif |
|
|
|
/** |
|
@brief 3D icosphere primitive with zero subdivisions |
|
|
|
Indexed @ref Mesh::Primitive "Triangles" with normals. |
|
*/ |
|
template<> class Icosphere<0>: public Trade::MeshData3D { |
|
public: |
|
/** @brief Constructor */ |
|
explicit Icosphere(); |
|
}; |
|
|
|
/** |
|
@brief 3D icosphere primitive |
|
@tparam subdivisions Number of subdivisions |
|
|
|
Indexed @ref Mesh::Primitive "Triangles" with normals. |
|
*/ |
|
#ifndef DOXYGEN_GENERATING_OUTPUT |
|
template<std::size_t subdivisions> class Icosphere: public Icosphere<0> { |
|
#else |
|
template<std::size_t subdivisions> class Icosphere { |
|
#endif |
|
public: |
|
/** @brief Constructor */ |
|
explicit Icosphere() { |
|
for(std::size_t i = 0; i != subdivisions; ++i) |
|
MeshTools::subdivide(*indices(), *normals(0), [](const Vector3& a, const Vector3& b) { |
|
return (a+b).normalized(); |
|
}); |
|
|
|
MeshTools::clean(*indices(), *normals(0)); |
|
positions(0)->assign(normals(0)->begin(), normals(0)->end()); |
|
} |
|
}; |
|
|
|
}} |
|
|
|
#endif
|
|
|