86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
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/// @ref gtx_range
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/// @file glm/gtx/range.hpp
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/// @author Joshua Moerman
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///
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/// @defgroup gtx_range GLM_GTX_range
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/// @ingroup gtx
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///
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/// @brief Defines begin and end for vectors and matrices. Useful for range-based for loop.
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/// The range is defined over the elements, not over columns or rows (e.g. mat4 has 16 elements).
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///
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/// <glm/gtx/range.hpp> need to be included to use these functionalities.
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#pragma once
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// Dependencies
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#include "../detail/setup.hpp"
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#if !GLM_HAS_RANGE_FOR
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# error "GLM_GTX_range requires C++11 suppport or 'range for'"
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#endif
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#include "../gtc/type_ptr.hpp"
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#include "../gtc/vec1.hpp"
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namespace glm
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{
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/// @addtogroup gtx_range
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/// @{
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template <typename T, precision P>
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inline length_t components(tvec1<T, P> const & v)
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{
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return v.length();
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}
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template <typename T, precision P>
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inline length_t components(tvec2<T, P> const & v)
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{
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return v.length();
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}
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template <typename T, precision P>
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inline length_t components(tvec3<T, P> const & v)
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{
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return v.length();
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}
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template <typename T, precision P>
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inline length_t components(tvec4<T, P> const & v)
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{
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return v.length();
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}
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template <typename genType>
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inline length_t components(genType const & m)
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{
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return m.length() * m[0].length();
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}
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template <typename genType>
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inline typename genType::value_type const * begin(genType const & v)
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{
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return value_ptr(v);
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}
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template <typename genType>
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inline typename genType::value_type const * end(genType const & v)
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{
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return begin(v) + components(v);
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}
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template <typename genType>
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inline typename genType::value_type * begin(genType& v)
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{
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return value_ptr(v);
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}
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template <typename genType>
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inline typename genType::value_type * end(genType& v)
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{
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return begin(v) + components(v);
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}
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/// @}
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}//namespace glm
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