Sprout/sprout/darkroom/lights/ambient_light.hpp
bolero-MURAKAMI cb1077d247 add copyright
2013-08-08 18:54:33 +09:00

56 lines
1.9 KiB
C++

/*=============================================================================
Copyright (c) 2011-2013 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_DARKROOM_LIGHTS_AMBIENT_LIGHT_HPP
#define SPROUT_DARKROOM_LIGHTS_AMBIENT_LIGHT_HPP
#include <sprout/config.hpp>
#include <sprout/limits.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_t>
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