Sprout/sprout/darkroom/lights/ambient_light.hpp
bolero-MURAKAMI dc1e85923b add darkroom light_list, parallel_light, ambient_light
fix darkroom whitted_style
2012-08-14 18:17:48 +09:00

48 lines
1.5 KiB
C++

#ifndef SPROUT_DARKROOM_LIGHTS_AMBIENT_LIGHT_HPP
#define SPROUT_DARKROOM_LIGHTS_AMBIENT_LIGHT_HPP
#include <limits>
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sprout/tuple/functions.hpp>
#include <sprout/darkroom/colors/rgb.hpp>
#include <sprout/darkroom/materials/material.hpp>
#include <sprout/darkroom/intersects/intersection.hpp>
namespace sprout {
namespace darkroom {
namespace lights {
//
// basic_ambient_light
//
template<typename Color = sprout::darkroom::colors::rgb_f>
class basic_ambient_light {
public:
typedef Color color_type;
private:
color_type col_;
public:
explicit SPROUT_CONSTEXPR basic_ambient_light(color_type const& col)
: col_(col)
{}
template<typename Intersection, typename Objects>
SPROUT_CONSTEXPR color_type operator()(Intersection const& inter, Objects const&) const {
return sprout::darkroom::colors::filter(
col_,
sprout::darkroom::materials::color(sprout::darkroom::intersects::material(inter))
);
}
};
//
// make_ambient_light
//
template<typename Color>
inline SPROUT_CONSTEXPR sprout::darkroom::lights::basic_ambient_light<Color>
make_ambient_light(Color const& col) {
return sprout::darkroom::lights::basic_ambient_light<Color>(col);
}
} // namespace lights
} // namespace darkroom
} // namespace sprout
#endif // #ifndef SPROUT_DARKROOM_LIGHTS_AMBIENT_LIGHT_HPP