103 lines
3.4 KiB
C++
103 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
/// OpenGL Mathematics (glm.g-truc.net)
|
|
///
|
|
/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
|
|
/// 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.
|
|
///
|
|
/// Restrictions:
|
|
/// By making use of the Software for military purposes, you choose to make
|
|
/// a Bunny unhappy.
|
|
///
|
|
/// 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.
|
|
///
|
|
/// @ref gtx_range
|
|
/// @file glm/gtx/range.hpp
|
|
/// @date 2014-09-19 / 2014-09-19
|
|
/// @author Joshua Moerman
|
|
///
|
|
/// @defgroup gtx_range GLM_GTX_range
|
|
/// @ingroup gtx
|
|
///
|
|
/// @brief Defines begin and end for vectors and matrices. Useful for range-based for loop.
|
|
/// The range is defined over the elements, not over columns or rows (e.g. mat4 has 16 elements).
|
|
///
|
|
/// <glm/gtx/range.hpp> need to be included to use these functionalities.
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
// Dependencies
|
|
#include "../detail/setup.hpp"
|
|
|
|
#if !GLM_HAS_RANGE_FOR
|
|
# error "GLM_GTX_range requires C++11 suppport or 'range for'"
|
|
#endif
|
|
|
|
#include "../gtc/type_ptr.hpp"
|
|
|
|
namespace glm{
|
|
namespace detail
|
|
{
|
|
/* The glm types provide a .length() member, but for matrices
|
|
this only defines the number of columns, so we need to work around this */
|
|
template <typename T, precision P>
|
|
detail::component_count_t number_of_elements_(tvec2<T, P> const & v){
|
|
return detail::component_count(v);
|
|
}
|
|
|
|
template <typename T, precision P>
|
|
detail::component_count_t number_of_elements_(tvec3<T, P> const & v){
|
|
return detail::component_count(v);
|
|
}
|
|
|
|
template <typename T, precision P>
|
|
detail::component_count_t number_of_elements_(tvec4<T, P> const & v){
|
|
return detail::component_count(v);
|
|
}
|
|
|
|
template <typename genType>
|
|
detail::component_count_t number_of_elements_(genType const & m){
|
|
return detail::component_count(m) * detail::component_count(m[0]);
|
|
}
|
|
}//namespace
|
|
|
|
/// @addtogroup gtx_range
|
|
/// @{
|
|
|
|
template <typename genType>
|
|
const typename genType::value_type * begin(genType const & v){
|
|
return value_ptr(v);
|
|
}
|
|
|
|
template <typename genType>
|
|
const typename genType::value_type * end(genType const & v){
|
|
return begin(v) + detail::number_of_elements_(v);
|
|
}
|
|
|
|
template <typename genType>
|
|
typename genType::value_type * begin(genType& v){
|
|
return value_ptr(v);
|
|
}
|
|
|
|
template <typename genType>
|
|
typename genType::value_type * end(genType& v){
|
|
return begin(v) + detail::number_of_elements_(v);
|
|
}
|
|
|
|
/// @}
|
|
}//namespace glm
|