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https://github.com/bolero-MURAKAMI/Sprout.git
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86 lines
2.9 KiB
C++
86 lines
2.9 KiB
C++
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#ifndef SPROUT_DARKROOM_INTERSECTS_INTERSECTION_HPP
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#define SPROUT_DARKROOM_INTERSECTS_INTERSECTION_HPP
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/darkroom/access/access.hpp>
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#include <sprout/darkroom/coords/vector.hpp>
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#include <sprout/darkroom/materials/material.hpp>
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namespace sprout {
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namespace darkroom {
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namespace intersects {
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//
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// does_intersect
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// distance
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// point_of_intersection
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// normal
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// material
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//
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template<typename T>
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SPROUT_CONSTEXPR auto does_intersect(
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T&& t
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) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<0>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<0>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<0>(sprout::forward<T>(t));
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}
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template<typename T>
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SPROUT_CONSTEXPR auto distance(
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T&& t
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) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<1>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<1>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<1>(sprout::forward<T>(t));
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}
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template<typename T>
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SPROUT_CONSTEXPR auto point_of_intersection(
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T&& t
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) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<2>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<2>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<2>(sprout::forward<T>(t));
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}
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template<typename T>
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SPROUT_CONSTEXPR auto normal(
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T&& t
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) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<3>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<3>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<3>(sprout::forward<T>(t));
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}
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template<typename T>
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SPROUT_CONSTEXPR auto material(
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T&& t
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) SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::darkroom::access::get<4>(sprout::forward<T>(t))))
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-> decltype(sprout::darkroom::access::get<4>(sprout::forward<T>(t)))
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{
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return sprout::darkroom::access::get<4>(sprout::forward<T>(t));
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}
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//
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// make_intersection
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//
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template<typename Distance, typename Point, typename Normal, typename Material>
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SPROUT_CONSTEXPR sprout::tuples::tuple<bool, Distance, Point, Normal, Material>
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make_intersection(bool b, Distance const& dist, Point const& p, Normal const& nor, Material const& mat) {
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return sprout::tuples::make_tuple(b, dist, p, nor, mat);
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}
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//
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// intersection
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//
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typedef sprout::tuples::tuple<
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bool,
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double,
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sprout::darkroom::coords::vector3d,
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sprout::darkroom::coords::vector3d,
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sprout::darkroom::materials::material
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> intersection;
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} // namespace intersects
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} // namespace darkroom
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} // namespace sprout
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#endif // #ifndef SPROUT_DARKROOM_INTERSECTS_INTERSECTION_HPP
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