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https://github.com/bolero-MURAKAMI/Sprout.git
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darkroom/objects/aa_plane.hpp 追加
darkroom/tracers/raytracer.hpp で、uv座標への変換で上下が反転していた問題を修正。
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bolero-MURAKAMI
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commit
c86fa430c1
4 changed files with 214 additions and 2 deletions
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@ -4,5 +4,6 @@
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#include <sprout/config.hpp>
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#include <sprout/darkroom/objects/intersect.hpp>
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#include <sprout/darkroom/objects/sphere.hpp>
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#include <sprout/darkroom/objects/aa_plane.hpp>
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#endif // #ifndef SPROUT_DARKROOM_OBJECTS_HPP
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211
sprout/darkroom/objects/aa_plane.hpp
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211
sprout/darkroom/objects/aa_plane.hpp
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@ -0,0 +1,211 @@
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#ifndef SPROUT_DARKROOM_OBJECTS_AA_PLANE_HPP
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#define SPROUT_DARKROOM_OBJECTS_AA_PLANE_HPP
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#include <type_traits>
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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/access/access.hpp>
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#include <sprout/darkroom/coords/vector.hpp>
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#include <sprout/darkroom/rays/ray.hpp>
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#include <sprout/darkroom/materials/material.hpp>
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namespace sprout {
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namespace darkroom {
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namespace objects {
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//
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// aa_plane_direction
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//
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struct aa_plane_direction {
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public:
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enum values {
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x,
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y,
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z
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};
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};
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//
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// basic_aa_plane
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//
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template<typename Material, typename Position = sprout::darkroom::coords::vector3d>
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class basic_aa_plane {
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public:
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typedef Material material_type;
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typedef Position position_type;
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typedef typename sprout::darkroom::access::unit<position_type>::type unit_type;
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typedef sprout::darkroom::objects::aa_plane_direction aa_plane_direction;
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public:
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template<typename Ray>
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struct intersection {
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typedef sprout::tuples::tuple<
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bool,
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unit_type,
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position_type,
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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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))
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> type;
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};
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private:
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aa_plane_direction::values direction_value_;
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unit_type val_;
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material_type mat_;
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private:
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SPROUT_CONSTEXPR bool is_x() const {
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return direction_value_ == aa_plane_direction::x;
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}
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SPROUT_CONSTEXPR bool is_y() const {
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return direction_value_ == aa_plane_direction::y;
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}
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SPROUT_CONSTEXPR bool is_z() const {
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return direction_value_ == aa_plane_direction::z;
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}
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template<typename Ray>
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SPROUT_CONSTEXPR typename intersection<Ray>::type intersect_6(
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bool does_intersect,
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unit_type distance,
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position_type const& point_of_intersection,
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position_type const& normal
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) const
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{
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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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mat_,
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point_of_intersection,
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normal
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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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int hit_side,
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bool does_intersect,
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unit_type distance,
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position_type const& point_of_intersection
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) const
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{
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return intersect_6<Ray>(
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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_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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SPROUT_CONSTEXPR typename intersection<Ray>::type intersect_4(
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Ray const& ray,
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int hit_side,
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bool does_intersect,
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unit_type distance
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) const
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{
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return intersect_5<Ray>(
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hit_side,
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does_intersect,
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distance,
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does_intersect
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? sprout::darkroom::rays::point_of_intersection(ray, distance)
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: position_type(0, 0, 0)
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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_3(
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Ray const& ray,
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unit_type pos_v,
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unit_type dir_v,
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int hit_side,
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bool does_intersect
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) const
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{
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return intersect_4(
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ray,
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hit_side,
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does_intersect,
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does_intersect
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? (pos_v - val_) / -dir_v
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: unit_type(-1)
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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_2(
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Ray const& ray,
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unit_type pos_v,
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unit_type dir_v,
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int hit_side
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) const
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{
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return intersect_3(
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ray,
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pos_v,
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dir_v,
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hit_side,
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(hit_side > 0 && dir_v < 0) || (hit_side < 0 && dir_v > 0)
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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_1(
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Ray const& ray,
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unit_type pos_v,
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unit_type dir_v
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) const
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{
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return intersect_2(
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ray,
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pos_v,
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dir_v,
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pos_v > val_ ? 1 : -1
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);
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}
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public:
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SPROUT_CONSTEXPR basic_aa_plane(
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aa_plane_direction::values direction_value,
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unit_type val,
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material_type const& mat
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)
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: direction_value_(direction_value)
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, val_(val)
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, mat_(mat)
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{};
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template<typename Ray>
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SPROUT_CONSTEXPR typename intersection<Ray>::type intersect(Ray const& ray) const {
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return intersect_1(
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ray,
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(is_x() ? sprout::darkroom::coords::x(sprout::darkroom::rays::position(ray))
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: is_y() ? sprout::darkroom::coords::y(sprout::darkroom::rays::position(ray))
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: sprout::darkroom::coords::z(sprout::darkroom::rays::position(ray))
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),
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(is_x() ? sprout::darkroom::coords::x(sprout::darkroom::rays::direction(ray))
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: is_y() ? sprout::darkroom::coords::y(sprout::darkroom::rays::direction(ray))
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: sprout::darkroom::coords::z(sprout::darkroom::rays::direction(ray))
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)
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);
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}
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};
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//
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// make_aa_plane
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//
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template<typename Material, typename Unit>
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SPROUT_CONSTEXPR inline sprout::darkroom::objects::basic_aa_plane<Material>
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make_aa_plane(
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sprout::darkroom::objects::aa_plane_direction::values dir_val,
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Unit const& val,
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Material const& mat
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)
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{
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return sprout::darkroom::objects::basic_aa_plane<Material>(dir_val, val, mat);
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}
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} // namespace objects
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} // namespace darkroom
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} // namespace sprout
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#endif // #ifndef SPROUT_DARKROOM_OBJECTS_AA_PLANE_HPP
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@ -56,7 +56,7 @@ namespace sprout {
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sprout::darkroom::coords::scale(sprout::darkroom::rays::direction(ray), dist)
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);
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}
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} // namespace ray
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} // namespace rays
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} // namespace darkroom
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} // namespace sprout
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@ -41,7 +41,7 @@ namespace sprout {
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lights,
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camera.template operator()(
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static_cast<typename Camera::unit_type>(x) / width - 0.5,
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static_cast<typename Camera::unit_type>(y) / height - 0.5
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-(static_cast<typename Camera::unit_type>(y) / height - 0.5)
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),
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depth_max
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);
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