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