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add is_from_inside property

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This commit is contained in:
bolero-MURAKAMI 2013-12-04 23:38:33 +09:00
parent 014d339803
commit 8e3c426684
4 changed files with 64 additions and 22 deletions
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2
sprout/darkroom/intersects/intersection.hpp
View file

@ -114,7 +114,7 @@ namespace sprout {
// //
template<typename... Elements> template<typename... Elements>
inline SPROUT_CONSTEXPR sprout::tuples::tuple<Elements...> inline SPROUT_CONSTEXPR sprout::tuples::tuple<Elements...>
make_material_image(Elements const&... elems) { make_intersection(Elements const&... elems) {
return sprout::tuples::make_tuple(elems...); return sprout::tuples::make_tuple(elems...);
} }
} // namespace intersects } // namespace intersects

49
sprout/darkroom/objects/aa_plane.hpp
View file

@ -32,6 +32,18 @@ namespace sprout {
}; };
}; };
// //
// aa_plane_face
//
struct aa_plane_face {
public:
enum values {
both,
negative,
positive,
same_as_direction
};
};
//
// basic_aa_plane // basic_aa_plane
// //
template<typename Material, typename Position = sprout::darkroom::coords::vector3d_t> template<typename Material, typename Position = sprout::darkroom::coords::vector3d_t>
@ -41,6 +53,7 @@ namespace sprout {
typedef Position position_type; typedef Position position_type;
typedef typename sprout::darkroom::access::unit<position_type>::type unit_type; typedef typename sprout::darkroom::access::unit<position_type>::type unit_type;
typedef sprout::darkroom::objects::aa_plane_direction aa_plane_direction; typedef sprout::darkroom::objects::aa_plane_direction aa_plane_direction;
typedef sprout::darkroom::objects::aa_plane_face aa_plane_face;
public: public:
template<typename Ray> template<typename Ray>
struct intersection { struct intersection {
@ -53,13 +66,15 @@ namespace sprout {
std::declval<material_type const&>(), std::declval<material_type const&>(),
std::declval<unit_type const&>(), std::declval<unit_type const&>(),
std::declval<unit_type const&>() std::declval<unit_type const&>()
)) )),
bool
> type; > type;
}; };
private: private:
aa_plane_direction::values direction_value_; aa_plane_direction::values direction_value_;
unit_type val_; unit_type val_;
material_type mat_; material_type mat_;
aa_plane_face::values face_;
private: private:
SPROUT_CONSTEXPR bool SPROUT_CONSTEXPR bool
is_x() const { is_x() const {
@ -75,7 +90,7 @@ namespace sprout {
} }
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_5(int hit_side, bool does_intersect, unit_type distance, position_type const& point_of_intersection) const { intersect_5(int hit_side, bool is_from_inside, bool does_intersect, unit_type distance, position_type const& point_of_intersection) const {
return typename intersection<Ray>::type( return typename intersection<Ray>::type(
does_intersect, does_intersect,
distance, distance,
@ -99,13 +114,16 @@ namespace sprout {
sprout::darkroom::coords::x(point_of_intersection), sprout::darkroom::coords::x(point_of_intersection),
sprout::darkroom::coords::y(point_of_intersection) sprout::darkroom::coords::y(point_of_intersection)
) )
,
is_from_inside
); );
} }
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_4(Ray const& ray, int hit_side, bool does_intersect, unit_type distance) const { intersect_4(Ray const& ray, int hit_side, bool is_from_inside, bool does_intersect, unit_type distance) const {
return intersect_5<Ray>( return intersect_5<Ray>(
hit_side, hit_side,
is_from_inside,
does_intersect, does_intersect,
distance, distance,
does_intersect does_intersect
@ -115,10 +133,11 @@ namespace sprout {
} }
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_3(Ray const& ray, unit_type pos_v, unit_type dir_v, int hit_side, bool does_intersect) const { intersect_3(Ray const& ray, unit_type pos_v, unit_type dir_v, int hit_side, bool is_from_inside, bool does_intersect) const {
return intersect_4( return intersect_4(
ray, ray,
hit_side, hit_side,
is_from_inside,
does_intersect, does_intersect,
does_intersect does_intersect
? (pos_v - val_) / -dir_v ? (pos_v - val_) / -dir_v
@ -127,12 +146,13 @@ namespace sprout {
} }
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_2(Ray const& ray, unit_type pos_v, unit_type dir_v, int hit_side) const { intersect_2(Ray const& ray, unit_type pos_v, unit_type dir_v, int hit_side, bool is_from_inside) const {
return intersect_3( return intersect_3(
ray, ray,
pos_v, pos_v,
dir_v, dir_v,
hit_side, hit_side,
is_from_inside,
(hit_side > 0 && dir_v < 0) || (hit_side < 0 && dir_v > 0) (hit_side > 0 && dir_v < 0) || (hit_side < 0 && dir_v > 0)
); );
} }
@ -143,14 +163,19 @@ namespace sprout {
ray, ray,
pos_v, pos_v,
dir_v, dir_v,
pos_v > val_ ? 1 : -1 pos_v > val_ ? 1 : -1,
face_ == aa_plane_face::both ? false
: face_ == aa_plane_face::negative ? dir_v > 0
: face_ == aa_plane_face::positive ? dir_v < 0
: (val_ > 0 && dir_v < 0) || (val_ < 0 && dir_v > 0)
); );
} }
public: public:
SPROUT_CONSTEXPR basic_aa_plane(aa_plane_direction::values direction_value, unit_type val, material_type const& mat) SPROUT_CONSTEXPR basic_aa_plane(aa_plane_direction::values direction_value, unit_type val, material_type const& mat, aa_plane_face::values face = aa_plane_face::both)
: direction_value_(direction_value) : direction_value_(direction_value)
, val_(val) , val_(val)
, mat_(mat) , mat_(mat)
, face_(face)
{} {}
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
@ -173,8 +198,14 @@ namespace sprout {
// //
template<typename Material, typename Unit> template<typename Material, typename Unit>
inline SPROUT_CONSTEXPR sprout::darkroom::objects::basic_aa_plane<Material> inline SPROUT_CONSTEXPR sprout::darkroom::objects::basic_aa_plane<Material>
make_aa_plane(sprout::darkroom::objects::aa_plane_direction::values dir_val, Unit const& val, Material const& mat) { make_aa_plane(
return sprout::darkroom::objects::basic_aa_plane<Material>(dir_val, val, mat); sprout::darkroom::objects::aa_plane_direction::values dir_val,
Unit const& val,
Material const& mat,
sprout::darkroom::objects::aa_plane_face::values face_val = sprout::darkroom::objects::aa_plane_face::both
)
{
return sprout::darkroom::objects::basic_aa_plane<Material>(dir_val, val, mat, face_val);
} }
} // namespace objects } // namespace objects
} // namespace darkroom } // namespace darkroom

6
sprout/darkroom/objects/polygon/triangle.hpp
View file

@ -43,7 +43,8 @@ namespace sprout {
std::declval<material_type const&>(), std::declval<material_type const&>(),
std::declval<unit_type const&>(), std::declval<unit_type const&>(),
std::declval<unit_type const&>() std::declval<unit_type const&>()
)) )),
bool
> type; > type;
}; };
private: private:
@ -72,7 +73,8 @@ namespace sprout {
: position_type(0, 0, 0) : position_type(0, 0, 0)
, ,
normal_,//hit_side > 0 ? normal_ : sprout::darkroom::coords::negate(normal_), normal_,//hit_side > 0 ? normal_ : sprout::darkroom::coords::negate(normal_),
sprout::darkroom::materials::calculate_material(mat_, unit_type(0), unit_type(0)) // ??? sprout::darkroom::materials::calculate_material(mat_, unit_type(0), unit_type(0)), // ???
false // !!! is_from_inside
); );
} }
template<typename Ray> template<typename Ray>

29
sprout/darkroom/objects/sphere.hpp
View file

@ -46,15 +46,17 @@ namespace sprout {
std::declval<material_type const&>(), std::declval<material_type const&>(),
std::declval<unit_type const&>(), std::declval<unit_type const&>(),
std::declval<unit_type const&>() std::declval<unit_type const&>()
)) )),
bool
> type; > type;
}; };
private: private:
typedef sprout::tuples::tuple<bool, unit_type> zwo_type; typedef sprout::tuples::tuple<int, bool, unit_type> zwo_type;
typedef sprout::tuples::tuple<position_type, position_type> drei_type; typedef sprout::tuples::tuple<position_type, position_type> drei_type;
struct zw { struct zw {
SPROUT_STATIC_CONSTEXPR std::size_t does_intersect = 0; SPROUT_STATIC_CONSTEXPR std::size_t hit_side = 0;
SPROUT_STATIC_CONSTEXPR std::size_t distance = 1; SPROUT_STATIC_CONSTEXPR std::size_t does_intersect = 1;
SPROUT_STATIC_CONSTEXPR std::size_t distance = 2;
}; };
struct dr { struct dr {
SPROUT_STATIC_CONSTEXPR std::size_t point_of_intersection = 0; SPROUT_STATIC_CONSTEXPR std::size_t point_of_intersection = 0;
@ -68,6 +70,10 @@ namespace sprout {
SPROUT_STATIC_CONSTEXPR zwo_type SPROUT_STATIC_CONSTEXPR zwo_type
zweitens_1(unit_type const& i1, unit_type const& i2) { zweitens_1(unit_type const& i1, unit_type const& i2) {
return zwo_type( return zwo_type(
i2 > 0
? i1 < 0 ? -1 : 1
: 0
,
i2 > 0, i2 > 0,
i2 > 0 i2 > 0
? i1 < 0 ? i2 : i1 ? i1 < 0 ? i2 : i1
@ -78,7 +84,7 @@ namespace sprout {
zweitens(bool neg, unit_type const& b, unit_type const& det) { zweitens(bool neg, unit_type const& b, unit_type const& det) {
return neg return neg
? zweitens_1(b - det, b + det) ? zweitens_1(b - det, b + det)
: zwo_type(false, -1) : zwo_type(0, false, -1)
; ;
} }
template<typename Ray> template<typename Ray>
@ -104,7 +110,7 @@ namespace sprout {
} }
template<typename Ray, typename Vec> template<typename Ray, typename Vec>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_6(zwo_type const& zwo, drei_type const& drei, Vec const& normal) const { intersect_6(Ray const& ray, zwo_type const& zwo, drei_type const& drei, Vec const& normal) const {
return typename intersection<Ray>::type( return typename intersection<Ray>::type(
sprout::tuples::get<zw::does_intersect>(zwo), sprout::tuples::get<zw::does_intersect>(zwo),
sprout::tuples::get<zw::distance>(zwo), sprout::tuples::get<zw::distance>(zwo),
@ -126,13 +132,15 @@ namespace sprout {
) )
) )
/ sprout::math::half_pi<unit_type>() / sprout::math::half_pi<unit_type>()
) ),
sprout::darkroom::coords::dot(normal, sprout::darkroom::rays::direction(ray)) > 0
); );
} }
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_5(zwo_type const& zwo, drei_type const& drei) const { intersect_5(Ray const& ray, zwo_type const& zwo, drei_type const& drei) const {
return intersect_6<Ray>( return intersect_6(
ray,
zwo, zwo,
drei, drei,
sprout::tuples::get<dr::normal>(drei) sprout::tuples::get<dr::normal>(drei)
@ -141,7 +149,8 @@ namespace sprout {
template<typename Ray> template<typename Ray>
SPROUT_CONSTEXPR typename intersection<Ray>::type SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_4(Ray const& ray, zwo_type const& zwo) const { intersect_4(Ray const& ray, zwo_type const& zwo) const {
return intersect_5<Ray>( return intersect_5(
ray,
zwo, zwo,
drittens( drittens(
ray, ray,