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Classes | Public Member Functions | Private Attributes | List of all members
nanort::TriangleIntersector< T, H > Class Template Reference

#include <nanort.h>

+ Collaboration diagram for nanort::TriangleIntersector< T, H >:

Classes

struct  RayCoeff
 

Public Member Functions

 TriangleIntersector (const T *vertices, const unsigned int *faces, const size_t vertex_stride_bytes)
 
bool Intersect (T *t_inout, const unsigned int prim_index) const
 Do ray intersection stuff for prim_index th primitive and return hit distance t, barycentric coordinate u and v. Returns true if there's intersection. More...
 
T GetT () const
 Returns the nearest hit distance. More...
 
void Update (T t, unsigned int prim_idx) const
 Update is called when initializing intersection and nearest hit is found. More...
 
void PrepareTraversal (const Ray< T > &ray, const BVHTraceOptions &trace_options) const
 Prepare BVH traversal (e.g. compute inverse ray direction) This function is called only once in BVH traversal. More...
 
void PostTraversal (const Ray< T > &ray, bool hit, H *isect) const
 Post BVH traversal stuff. Fill isect if there is a hit. More...
 

Private Attributes

const T * vertices_
 
const unsigned int * faces_
 
const size_t vertex_stride_bytes_
 
real3< T > ray_org_
 
RayCoeff ray_coeff_
 
BVHTraceOptions trace_options_
 
T t_min_
 
T t_
 
T u_
 
T v_
 
unsigned int prim_id_
 

Detailed Description

template<typename T = float, class H = TriangleIntersection<T>>
class nanort::TriangleIntersector< T, H >

Definition at line 983 of file nanort.h.

Class Documentation

◆ nanort::TriangleIntersector::RayCoeff

struct nanort::TriangleIntersector::RayCoeff
template<typename T = float, class H = TriangleIntersection<T>>
struct nanort::TriangleIntersector< T, H >::RayCoeff

Definition at line 995 of file nanort.h.

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Class Members
int kx
int ky
int kz
T Sx
T Sy
T Sz

Constructor & Destructor Documentation

◆ TriangleIntersector()

template<typename T = float, class H = TriangleIntersection<T>>
nanort::TriangleIntersector< T, H >::TriangleIntersector ( const T *  vertices,
const unsigned int *  faces,
const size_t  vertex_stride_bytes 
)
inline

Definition at line 985 of file nanort.h.

Member Function Documentation

◆ GetT()

template<typename T = float, class H = TriangleIntersection<T>>
T nanort::TriangleIntersector< T, H >::GetT ( ) const
inline

Returns the nearest hit distance.

Definition at line 1106 of file nanort.h.

References nanort::TriangleIntersector< T, H >::t_.

◆ Intersect()

template<typename T = float, class H = TriangleIntersection<T>>
bool nanort::TriangleIntersector< T, H >::Intersect ( T *  t_inout,
const unsigned int  prim_index 
) const
inline

Do ray intersection stuff for prim_index th primitive and return hit distance t, barycentric coordinate u and v. Returns true if there's intersection.

Definition at line 1007 of file nanort.h.

References nanort::BVHTraceOptions::cull_back_face, nanort::TriangleIntersector< T, H >::faces_, nanort::get_vertex_addr(), nanort::TriangleIntersector< T, H >::RayCoeff::kx, nanort::TriangleIntersector< T, H >::RayCoeff::ky, nanort::TriangleIntersector< T, H >::RayCoeff::kz, nanort::BVHTraceOptions::prim_ids_range, nanort::TriangleIntersector< T, H >::ray_coeff_, nanort::TriangleIntersector< T, H >::ray_org_, nanort::BVHTraceOptions::skip_prim_id, nanort::TriangleIntersector< T, H >::RayCoeff::Sx, nanort::TriangleIntersector< T, H >::RayCoeff::Sy, nanort::TriangleIntersector< T, H >::RayCoeff::Sz, nanort::TriangleIntersector< T, H >::t_min_, nanort::TriangleIntersector< T, H >::trace_options_, nanort::TriangleIntersector< T, H >::u_, nanort::TriangleIntersector< T, H >::v_, nanort::TriangleIntersector< T, H >::vertex_stride_bytes_, and nanort::TriangleIntersector< T, H >::vertices_.

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◆ PostTraversal()

template<typename T = float, class H = TriangleIntersection<T>>
void nanort::TriangleIntersector< T, H >::PostTraversal ( const Ray< T > &  ray,
bool  hit,
H *  isect 
) const
inline

Post BVH traversal stuff. Fill isect if there is a hit.

Definition at line 1158 of file nanort.h.

References nanort::TriangleIntersector< T, H >::prim_id_, nanort::TriangleIntersector< T, H >::t_, nanort::TriangleIntersector< T, H >::u_, and nanort::TriangleIntersector< T, H >::v_.

◆ PrepareTraversal()

template<typename T = float, class H = TriangleIntersection<T>>
void nanort::TriangleIntersector< T, H >::PrepareTraversal ( const Ray< T > &  ray,
const BVHTraceOptions &  trace_options 
) const
inline

Prepare BVH traversal (e.g. compute inverse ray direction) This function is called only once in BVH traversal.

Definition at line 1116 of file nanort.h.

References nanort::Ray< T >::dir, nanort::TriangleIntersector< T, H >::RayCoeff::kx, nanort::TriangleIntersector< T, H >::RayCoeff::ky, nanort::TriangleIntersector< T, H >::RayCoeff::kz, nanort::Ray< T >::min_t, nanort::Ray< T >::org, nanort::TriangleIntersector< T, H >::ray_coeff_, nanort::TriangleIntersector< T, H >::ray_org_, nanort::TriangleIntersector< T, H >::RayCoeff::Sx, nanort::TriangleIntersector< T, H >::RayCoeff::Sy, nanort::TriangleIntersector< T, H >::RayCoeff::Sz, nanort::TriangleIntersector< T, H >::t_min_, nanort::TriangleIntersector< T, H >::trace_options_, nanort::TriangleIntersector< T, H >::u_, and nanort::TriangleIntersector< T, H >::v_.

◆ Update()

template<typename T = float, class H = TriangleIntersection<T>>
void nanort::TriangleIntersector< T, H >::Update ( T  t,
unsigned int  prim_idx 
) const
inline

Update is called when initializing intersection and nearest hit is found.

Definition at line 1109 of file nanort.h.

References nanort::TriangleIntersector< T, H >::prim_id_, and nanort::TriangleIntersector< T, H >::t_.

Member Data Documentation

◆ faces_

template<typename T = float, class H = TriangleIntersection<T>>
const unsigned int* nanort::TriangleIntersector< T, H >::faces_
private

Definition at line 1170 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect().

◆ prim_id_

template<typename T = float, class H = TriangleIntersection<T>>
unsigned int nanort::TriangleIntersector< T, H >::prim_id_
mutableprivate

Definition at line 1181 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::PostTraversal(), and nanort::TriangleIntersector< T, H >::Update().

◆ ray_coeff_

template<typename T = float, class H = TriangleIntersection<T>>
RayCoeff nanort::TriangleIntersector< T, H >::ray_coeff_
mutableprivate

Definition at line 1174 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ ray_org_

template<typename T = float, class H = TriangleIntersection<T>>
real3<T> nanort::TriangleIntersector< T, H >::ray_org_
mutableprivate

Definition at line 1173 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ t_

template<typename T = float, class H = TriangleIntersection<T>>
T nanort::TriangleIntersector< T, H >::t_
mutableprivate

Definition at line 1178 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::GetT(), nanort::TriangleIntersector< T, H >::PostTraversal(), and nanort::TriangleIntersector< T, H >::Update().

◆ t_min_

template<typename T = float, class H = TriangleIntersection<T>>
T nanort::TriangleIntersector< T, H >::t_min_
mutableprivate

Definition at line 1176 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ trace_options_

template<typename T = float, class H = TriangleIntersection<T>>
BVHTraceOptions nanort::TriangleIntersector< T, H >::trace_options_
mutableprivate

Definition at line 1175 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ u_

template<typename T = float, class H = TriangleIntersection<T>>
T nanort::TriangleIntersector< T, H >::u_
mutableprivate

Definition at line 1179 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), nanort::TriangleIntersector< T, H >::PostTraversal(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ v_

template<typename T = float, class H = TriangleIntersection<T>>
T nanort::TriangleIntersector< T, H >::v_
mutableprivate

Definition at line 1180 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect(), nanort::TriangleIntersector< T, H >::PostTraversal(), and nanort::TriangleIntersector< T, H >::PrepareTraversal().

◆ vertex_stride_bytes_

template<typename T = float, class H = TriangleIntersection<T>>
const size_t nanort::TriangleIntersector< T, H >::vertex_stride_bytes_
private

Definition at line 1171 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect().

◆ vertices_

template<typename T = float, class H = TriangleIntersection<T>>
const T* nanort::TriangleIntersector< T, H >::vertices_
private

Definition at line 1169 of file nanort.h.

Referenced by nanort::TriangleIntersector< T, H >::Intersect().

The documentation for this class was generated from the following file: