Triangle Struct Reference

triangle pour le bvh, cf fonction bounds() et intersect(). More...

Inheritance diagram for Triangle:

Public Member Functions
	Triangle (const TriangleData &data, const int _id)
void	intersect (RayHit &ray) const
BBox	bounds () const
	Triangle (const TriangleData &data, const int _id)
Hit	intersect (const Ray &ray, const float htmax) const
BBox	bounds () const
	Triangle (const vec3 &a, const vec3 &b, const vec3 &c, const int _mesh_id, const int _primitive_id, const int _id)
Hit	intersect (const Ray &ray, const float htmax) const
BBox	bounds () const
	Triangle (const vec3 &a, const vec3 &b, const vec3 &c, const int _mesh_id, const int _primitive_id, const int _id)
Hit	intersect (const Ray &ray, const float htmax) const
BBox	bounds () const
	Triangle (const TriangleData &data, const int _id)
void	intersect (RayHit &ray) const
BBox	bounds () const
	Triangle (const vec3 &a, const vec3 &b, const vec3 &c, const int _mesh_id, const int _primitive_id, const int _id)
Hit	intersect (const Ray &ray, const float htmax) const
	Triangle (const TriangleData &data, const int _id)
Hit	intersect (const Ray &ray, const float tmax) const
	Triangle (const TriangleData &data)
bool	intersect (const Ray &ray, const float htmax, float &rt, float &ru, float &rv) const
Point	point (const float u, const float v) const
Vector	normal (const float u, const float v) const

Public Attributes
Point	p
Vector	e1
Vector	e2
int	id
int	mesh_id
int	primitive_id
int	triangle_id
Public Attributes inherited from TriangleData
vec3	a
vec3	b
vec3	c
	positions More...
vec3	na
vec3	nb
vec3	nc
	normales More...
vec2	ta
vec2	tb
vec2	tc
	texcoords More...

Detailed Description

triangle pour le bvh, cf fonction bounds() et intersect().

Definition at line 83 of file tuto_bvh.cpp.

Member Function Documentation

point()

Point Triangle::point ( const float  u, const float  v  ) const

inline

renvoie un point a l'interieur du triangle connaissant ses coordonnees barycentriques. convention p(u, v)= (1 - u - v) * a + u * b + v * c

Definition at line 104 of file tuto_is.cpp.

    {
        float w= 1.f - u - v;
        return Point(Vector(a) * w + Vector(b) * u + Vector(c) * v);
    }

normal()

Vector Triangle::normal ( const float  u, const float  v  ) const

inline

renvoie une normale a l'interieur du triangle connaissant ses coordonnees barycentriques. convention p(u, v)= (1 - u - v) * a + u * b + v * c

Definition at line 112 of file tuto_is.cpp.

    {
        float w= 1.f - u - v;
        return Vector(na) * w + Vector(nb) * u + Vector(nc) * v;
    }

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The documentation for this struct was generated from the following files:

• tutos/tuto_bvh.cpp
• tutos/tuto_bvh2.cpp
• tutos/tuto_bvh2_gltf.cpp
• tutos/tuto_bvh2_gltf_brdf.cpp
• tutos/tuto_englobant.cpp
• tutos/tuto_ray_gltf.cpp
• tutos/tuto_rayons.cpp
• tutos/M2/tuto_is.cpp