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sprout/darkroom/materials/material.hpp マテリアルの仕様変更

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This commit is contained in:
bolero-MURAKAMI 2011-12-13 04:01:10 +09:00
parent 3e028096fd
commit a4c71d0e9f
3 changed files with 114 additions and 33 deletions
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68
sprout/darkroom/materials/material.hpp
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@ -35,32 +35,32 @@ namespace sprout {
// calc_color
// calc_reflection
//
template<typename Image, typename Position, typename Normal>
SPROUT_CONSTEXPR auto calc_color(Image&& t, Position const&, Normal const&) SPROUT_NOEXCEPT
-> decltype(t)
template<typename Image, typename Unit>
SPROUT_CONSTEXPR auto calc_color(Image&& t, Unit const& u, Unit const& v) SPROUT_NOEXCEPT
-> decltype(sprout::forward<Image>(t).template operator()(u, v))
{
return t;
return sprout::forward<Image>(t).template operator()(u, v);
}
template<typename Image, typename Position, typename Normal>
SPROUT_CONSTEXPR auto calc_reflection(Image&& t, Position const&, Normal const&) SPROUT_NOEXCEPT
-> decltype(t)
template<typename Image, typename Unit>
SPROUT_CONSTEXPR auto calc_reflection(Image&& t, Unit const& u, Unit const& v) SPROUT_NOEXCEPT
-> decltype(sprout::forward<Image>(t).template operator()(u, v))
{
return t;
return sprout::forward<Image>(t).template operator()(u, v);
}
//
// calc_material
//
template<typename Material, typename Position, typename Normal>
SPROUT_CONSTEXPR auto calc_material(Material const& mat, Position const& pos, Normal const& nor)
template<typename Material, typename Unit>
SPROUT_CONSTEXPR auto calc_material(Material const& mat, Unit const& u, Unit const& v)
-> decltype(sprout::tuples::make_tuple(
sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), pos, nor),
sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), pos, nor)
sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), u, v),
sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), u, v)
))
{
return sprout::tuples::make_tuple(
sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), pos, nor),
sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), pos, nor)
sprout::darkroom::materials::calc_color(sprout::darkroom::materials::color(mat), u, v),
sprout::darkroom::materials::calc_reflection(sprout::darkroom::materials::reflection(mat), u, v)
);
}
@ -77,6 +77,46 @@ namespace sprout {
// material
//
typedef sprout::tuples::tuple<sprout::darkroom::colors::rgb_f, double> material;
//
// uniform_element
//
template<typename Element>
class uniform_element {
public:
typedef Element result_type;
private:
result_type elem_;
public:
SPROUT_CONSTEXPR explicit uniform_element(result_type const& elem)
: elem_(elem)
{}
template<typename Unit>
SPROUT_CONSTEXPR result_type operator()(Unit const&, Unit const&) const {
return elem_;
}
};
//
// make_uniform
//
template<typename Element>
SPROUT_CONSTEXPR sprout::darkroom::materials::uniform_element<Element>
make_uniform(Element const& elem) {
return sprout::darkroom::materials::uniform_element<Element>(elem);
}
//
// make_uniform_material_image
//
template<typename Color, typename Reflection>
SPROUT_CONSTEXPR sprout::tuples::tuple<
sprout::darkroom::materials::uniform_element<Color>,
sprout::darkroom::materials::uniform_element<Reflection>
> make_uniform_material_image(Color const& col, Reflection const& ref) {
return sprout::tuples::make_tuple(
sprout::darkroom::materials::make_uniform(col),
sprout::darkroom::materials::make_uniform(ref)
);
}
} // namespace materials
} // namespace darkroom
} // namespace sprout