surfacePoint_t Struct Reference

#include <surface.h>

Collaboration diagram for surfacePoint_t:

[legend]

List of all members.

Public Attributes
const material_t *	material
	the surface material
const light_t *	light
	light source if surface point is on a light
const object3d_t *	object
	object the prim belongs to
void *	origin
vector3d_t	N
	the shading normal.
vector3d_t	Ng
	the geometric normal.
vector3d_t	orcoNg
	the untransformed geometric normal.
point3d_t	P
	the (world) position.
point3d_t	orcoP
bool	hasUV
bool	hasOrco
bool	available
int	primNum
GFLOAT	U
	the u texture coord.
GFLOAT	V
	the v texture coord.
vector3d_t	NU
	second vector building orthogonal shading space with N
vector3d_t	NV
	third vector building orthogonal shading space with N
vector3d_t	dPdU
	u-axis in world space
vector3d_t	dPdV
	v-axis in world space
vector3d_t	dSdU
	u-axis in shading space (NU, NV, N)
vector3d_t	dSdV
	v-axis in shading space (NU, NV, N)
GFLOAT	sU
	raw surface parametric coordinate; required to evaluate vmaps
GFLOAT	sV
	raw surface parametric coordinate; required to evaluate vmaps

---

Detailed Description

This holds a sampled surface point's data When a ray intersects an object, a surfacePoint_t is computed. It contains data about normal, position, assigned material and other things.

Definition at line 89 of file surface.h.

---

Member Data Documentation

bool surfacePoint_t::available

Definition at line 107 of file surface.h.

vector3d_t surfacePoint_t::dPdU

u-axis in world space

Definition at line 114 of file surface.h.

vector3d_t surfacePoint_t::dPdV

v-axis in world space

Definition at line 115 of file surface.h.

vector3d_t surfacePoint_t::dSdU

u-axis in shading space (NU, NV, N)

Definition at line 116 of file surface.h.

vector3d_t surfacePoint_t::dSdV

v-axis in shading space (NU, NV, N)

Definition at line 117 of file surface.h.

bool surfacePoint_t::hasOrco

Definition at line 106 of file surface.h.

bool surfacePoint_t::hasUV

Definition at line 105 of file surface.h.

const light_t* surfacePoint_t::light

light source if surface point is on a light

Definition at line 93 of file surface.h.

const material_t* surfacePoint_t::material

the surface material

Definition at line 92 of file surface.h.

vector3d_t surfacePoint_t::N [mutable]

the shading normal.

Definition at line 99 of file surface.h.

vector3d_t surfacePoint_t::Ng

the geometric normal.

Definition at line 100 of file surface.h.

vector3d_t surfacePoint_t::NU [mutable]

second vector building orthogonal shading space with N

Definition at line 112 of file surface.h.

vector3d_t surfacePoint_t::NV [mutable]

third vector building orthogonal shading space with N

Definition at line 113 of file surface.h.

const object3d_t* surfacePoint_t::object

object the prim belongs to

Definition at line 94 of file surface.h.

vector3d_t surfacePoint_t::orcoNg

the untransformed geometric normal.

Definition at line 101 of file surface.h.

point3d_t surfacePoint_t::orcoP

Definition at line 103 of file surface.h.

void* surfacePoint_t::origin

Definition at line 96 of file surface.h.

point3d_t surfacePoint_t::P

the (world) position.

Definition at line 102 of file surface.h.

int surfacePoint_t::primNum

Definition at line 108 of file surface.h.

GFLOAT surfacePoint_t::sU

raw surface parametric coordinate; required to evaluate vmaps

Definition at line 118 of file surface.h.

GFLOAT surfacePoint_t::sV

raw surface parametric coordinate; required to evaluate vmaps

Definition at line 119 of file surface.h.

GFLOAT surfacePoint_t::U

the u texture coord.

Definition at line 110 of file surface.h.

GFLOAT surfacePoint_t::V

the v texture coord.

Definition at line 111 of file surface.h.

---

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

• include/core_api/surface.h