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https://github.com/bolero-MURAKAMI/Sprout.git
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sprout/darkroom/materials/material.hpp マテリアルの仕様変更
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3e028096fd
commit
a4c71d0e9f
3 changed files with 114 additions and 33 deletions
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@ -35,32 +35,32 @@ namespace sprout {
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// calc_color
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// calc_reflection
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//
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template<typename Image, typename Position, typename Normal>
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SPROUT_CONSTEXPR auto calc_color(Image&& t, Position const&, Normal const&) SPROUT_NOEXCEPT
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-> decltype(t)
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template<typename Image, typename Unit>
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SPROUT_CONSTEXPR auto calc_color(Image&& t, Unit const& u, Unit const& v) SPROUT_NOEXCEPT
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-> decltype(sprout::forward<Image>(t).template operator()(u, v))
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{
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return t;
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return sprout::forward<Image>(t).template operator()(u, v);
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}
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template<typename Image, typename Position, typename Normal>
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SPROUT_CONSTEXPR auto calc_reflection(Image&& t, Position const&, Normal const&) SPROUT_NOEXCEPT
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-> decltype(t)
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template<typename Image, typename Unit>
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SPROUT_CONSTEXPR auto calc_reflection(Image&& t, Unit const& u, Unit const& v) SPROUT_NOEXCEPT
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-> decltype(sprout::forward<Image>(t).template operator()(u, v))
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{
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return t;
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return sprout::forward<Image>(t).template operator()(u, v);
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}
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//
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// calc_material
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//
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template<typename Material, typename Position, typename Normal>
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SPROUT_CONSTEXPR auto calc_material(Material const& mat, Position const& pos, Normal const& nor)
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template<typename Material, typename Unit>
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SPROUT_CONSTEXPR auto calc_material(Material const& mat, Unit const& u, Unit const& v)
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-> decltype(sprout::tuples::make_tuple(
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sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), pos, nor),
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sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), pos, nor)
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sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), u, v),
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sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), u, v)
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))
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{
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return sprout::tuples::make_tuple(
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sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), pos, nor),
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sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), pos, nor)
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sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), u, v),
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sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), u, v)
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);
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}
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@ -77,6 +77,46 @@ namespace sprout {
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// material
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//
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typedef sprout::tuples::tuple<sprout::darkroom::colors::rgb_f, double> material;
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//
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// uniform_element
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//
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template<typename Element>
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class uniform_element {
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public:
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typedef Element result_type;
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private:
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result_type elem_;
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public:
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SPROUT_CONSTEXPR explicit uniform_element(result_type const& elem)
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: elem_(elem)
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{}
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template<typename Unit>
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SPROUT_CONSTEXPR result_type operator()(Unit const&, Unit const&) const {
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return elem_;
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}
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};
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//
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// make_uniform
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//
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template<typename Element>
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SPROUT_CONSTEXPR sprout::darkroom::materials::uniform_element<Element>
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make_uniform(Element const& elem) {
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return sprout::darkroom::materials::uniform_element<Element>(elem);
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}
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//
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// make_uniform_material_image
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//
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template<typename Color, typename Reflection>
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SPROUT_CONSTEXPR sprout::tuples::tuple<
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sprout::darkroom::materials::uniform_element<Color>,
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sprout::darkroom::materials::uniform_element<Reflection>
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> make_uniform_material_image(Color const& col, Reflection const& ref) {
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return sprout::tuples::make_tuple(
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sprout::darkroom::materials::make_uniform(col),
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sprout::darkroom::materials::make_uniform(ref)
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);
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}
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} // namespace materials
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} // namespace darkroom
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} // namespace sprout
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@ -44,8 +44,8 @@ namespace sprout {
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position_type,
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decltype(sprout::darkroom::materials::calc_material(
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std::declval<material_type const&>(),
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std::declval<position_type const&>(),
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std::declval<position_type const&>()
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std::declval<unit_type const&>(),
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std::declval<unit_type const&>()
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))
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> type;
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};
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@ -71,16 +71,27 @@ namespace sprout {
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position_type const& normal
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) const
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{
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using std::fmod;
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return typename intersection<Ray>::type(
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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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sprout::darkroom::materials::calc_material(
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is_x() ? sprout::darkroom::materials::calc_material( // ! Tile
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mat_,
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point_of_intersection,
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normal
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fmod(sprout::darkroom::coords::z(point_of_intersection), 0.5),
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fmod(sprout::darkroom::coords::y(point_of_intersection), 0.5)
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)
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: is_y() ? sprout::darkroom::materials::calc_material(
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mat_,
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fmod(sprout::darkroom::coords::x(point_of_intersection), 0.5),
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fmod(sprout::darkroom::coords::z(point_of_intersection), 0.5)
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)
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: sprout::darkroom::materials::calc_material(
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mat_,
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fmod(sprout::darkroom::coords::x(point_of_intersection), 0.5),
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fmod(sprout::darkroom::coords::y(point_of_intersection), 0.5)
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)
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);
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}
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template<typename Ray>
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@ -95,10 +106,9 @@ namespace sprout {
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does_intersect,
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distance,
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point_of_intersection,
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(is_x() ? position_type(hit_side > 0 ? 1 : -1, 0, 0)
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is_x() ? position_type(hit_side > 0 ? 1 : -1, 0, 0)
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: is_y() ? position_type(0, hit_side > 0 ? 1 : -1, 0)
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: position_type(0, 0, hit_side > 0 ? 1 : -1)
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)
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);
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}
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template<typename Ray>
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@ -35,8 +35,8 @@ namespace sprout {
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position_type,
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decltype(sprout::darkroom::materials::calc_material(
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std::declval<material_type const&>(),
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std::declval<position_type const&>(),
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std::declval<position_type const&>()
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std::declval<unit_type const&>(),
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std::declval<unit_type const&>()
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))
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> type;
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};
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@ -52,6 +52,8 @@ namespace sprout {
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SPROUT_STATIC_CONSTEXPR std::size_t point_of_intersection = 0;
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SPROUT_STATIC_CONSTEXPR std::size_t normal = 1;
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};
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private:
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SPROUT_STATIC_CONSTEXPR unit_type pi = 3.1415926535897932384626433832795;
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private:
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position_type pos_;
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radius_type rad_;
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@ -133,6 +135,40 @@ namespace sprout {
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)
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;
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}
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template<typename Ray, typename Point>
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SPROUT_CONSTEXPR typename intersection<Ray>::type intersect_6(
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Ray const& ray,
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zwo_type const& zwo,
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drei_type const& drei,
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Point const& poi
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) const
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{
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using std::atan2;
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using std::sqrt;
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return typename intersection<Ray>::type(
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sprout::tuples::get<zw::does_intersect>(zwo),
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sprout::tuples::get<zw::distance>(zwo),
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sprout::tuples::get<dr::point_of_intersection>(drei),
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sprout::tuples::get<dr::normal>(drei),
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sprout::darkroom::materials::calc_material( // ! Spherical
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mat_,
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atan2(
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sprout::darkroom::coords::x(poi),
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sprout::darkroom::coords::z(poi)
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)
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/ (2 * pi)
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,
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atan2(
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sqrt(
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sprout::darkroom::coords::x(poi) * sprout::darkroom::coords::x(poi)
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+ sprout::darkroom::coords::y(poi) * sprout::darkroom::coords::y(poi)
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),
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sprout::darkroom::coords::z(poi)
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)
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/ (2 * pi)
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)
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);
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}
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template<typename Ray>
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SPROUT_CONSTEXPR typename intersection<Ray>::type intersect_5(
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Ray const& ray,
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drei_type const& drei
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) const
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{
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return typename intersection<Ray>::type(
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sprout::tuples::get<zw::does_intersect>(zwo),
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sprout::tuples::get<zw::distance>(zwo),
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sprout::tuples::get<dr::point_of_intersection>(drei),
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sprout::tuples::get<dr::normal>(drei),
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sprout::darkroom::materials::calc_material(
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mat_,
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sprout::tuples::get<dr::point_of_intersection>(drei),
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sprout::tuples::get<dr::normal>(drei)
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)
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return intersect_6(
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ray,
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zwo,
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drei,
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sprout::tuples::get<dr::point_of_intersection>(drei)
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);
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}
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template<typename Ray>
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