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[sprout.darkroom] implemented refraction

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This commit is contained in:
bolero-MURAKAMI 2013-12-06 01:57:31 +09:00
parent 8e3c426684
commit 8e306168da
8 changed files with 197 additions and 37 deletions
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10
sprout/darkroom/objects/sphere.hpp
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@ -110,12 +110,15 @@ namespace sprout {
}
template<typename Ray, typename Vec>
SPROUT_CONSTEXPR typename intersection<Ray>::type
intersect_6(Ray const& ray, 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,bool is_from_inside, Vec const& normal) const {
return typename intersection<Ray>::type(
sprout::tuples::get<zw::does_intersect>(zwo),
sprout::tuples::get<zw::distance>(zwo),
sprout::tuples::get<dr::point_of_intersection>(drei),
sprout::tuples::get<dr::normal>(drei),
is_from_inside
? sprout::darkroom::coords::negate(normal)
: normal
,
sprout::darkroom::materials::calculate_material( // ! Spherical
mat_,
sprout::atan2(
@ -133,7 +136,7 @@ namespace sprout {
)
/ sprout::math::half_pi<unit_type>()
),
sprout::darkroom::coords::dot(normal, sprout::darkroom::rays::direction(ray)) > 0
is_from_inside
);
}
template<typename Ray>
@ -143,6 +146,7 @@ namespace sprout {
ray,
zwo,
drei,
sprout::darkroom::coords::dot(sprout::tuples::get<dr::normal>(drei), sprout::darkroom::rays::direction(ray)) > 0,
sprout::tuples::get<dr::normal>(drei)
);
}