the main ray class More...

#include <ntl_ray.h>

Public Member Functions
	ntlRay ()
	Initialize ray memebers, prints error message.
	ntlRay (const ntlRay &r)
	Copy constructor, copy all members.
	ntlRay (const ntlVec3Gfx &o, const ntlVec3Gfx &d, unsigned int i, gfxReal contrib, ntlRenderGlobals *glob)
	Explicitly init member variables with global render object.
	~ntlRay ()
	Destructor.
void	setRefracted (unsigned char set)
	Set the refraction flag for refracted rays.
void	setReflected (unsigned char set)
const ntlColor	shade ()
	main ray recursion function
void	tracePhoton (ntlColor) const
void	intersectFrontAABB (ntlVec3Gfx mStart, ntlVec3Gfx mEnd, gfxReal &t, ntlVec3Gfx &normal, ntlVec3Gfx &retcoord) const
	intersect ray with AABB
void	intersectBackAABB (ntlVec3Gfx mStart, ntlVec3Gfx mEnd, gfxReal &t, ntlVec3Gfx &normal, ntlVec3Gfx &retcoord) const
	intersect ray with AABB
void	intersectCompleteAABB (ntlVec3Gfx mStart, ntlVec3Gfx mEnd, gfxReal &tmin, gfxReal &tmax) const
	intersect ray with AABB
void	intersectTriangle (vector< ntlVec3Gfx > mpV, ntlTriangle tri, gfxReal &t, gfxReal &u, gfxReal &v) const
	optimized intersect ray with triangle
void	intersectTriangleX (vector< ntlVec3Gfx > mpV, ntlTriangle tri, gfxReal &t, gfxReal &u, gfxReal &v) const
	optimized intersect ray with triangle along +X axis dir
void	intersectTriangleFront (vector< ntlVec3Gfx > mpV, ntlTriangle tri, gfxReal &t, gfxReal &u, gfxReal &v) const
	intersect only with front side
void	intersectTriangleBack (vector< ntlVec3Gfx > mpV, ntlTriangle tri, gfxReal &t, gfxReal &u, gfxReal &v) const
	intersect ray only with backsides
ntlVec3Gfx	getOrigin () const
	Returns the ray origin.
ntlVec3Gfx	getDirection () const
	Returns the ray direction.
ntlVec3Gfx	getNormal () const
unsigned char	getRefracted () const
	Is this ray refracted?
unsigned char	getReflected () const
ntlVec3Gfx	getPositionAt (gfxReal t) const
ntlRenderGlobals *	getRenderglobals (void) const
int	getID (void) const
void	setOrigin (ntlVec3Gfx set)
void	setDirection (ntlVec3Gfx set)
void	setNormal (ntlVec3Gfx set)
Protected Member Functions
const ntlColor	getShadedColor (ntlLightObject light, const ntlRay &reflectedray, const ntlVec3Gfx &normal, ntlMaterial surf) const

Detailed Description

the main ray class

Definition at line 45 of file ntl_ray.h.

Constructor & Destructor Documentation

ntlRay::ntlRay ( void )

Initialize ray memebers, prints error message.

Definition at line 43 of file ntl_ray.cpp.

References errFatal, and SIMWORLD_GENERICERROR.

Referenced by shade().

ntlRay::ntlRay ( const ntlRay & r )

Copy constructor, copy all members.

Definition at line 59 of file ntl_ray.cpp.

References ntlRenderGlobals::getCounterRays(), and ntlRenderGlobals::setCounterRays().

ntlRay::ntlRay	(	const ntlVec3Gfx &	o,
		const ntlVec3Gfx &	d,
		unsigned int	i,
		gfxReal	contrib,
		ntlRenderGlobals *	glob
	)

Explicitly init member variables with global render object.

Definition at line 84 of file ntl_ray.cpp.

References ntlRenderGlobals::getCounterRays(), and ntlRenderGlobals::setCounterRays().

ntlRay::~ntlRay ( )

Destructor.

Definition at line 108 of file ntl_ray.cpp.

Member Function Documentation

ntlVec3Gfx ntlRay::getDirection ( ) const [inline]

Returns the ray direction.

Definition at line 90 of file ntl_ray.h.

Referenced by ControlParticles::checkPointInside(), ntlTree::distanceToPlane(), LbmSolverInterface::geoInitCheckPointInside(), ntlLightObject::getShadedColor(), ntlTree::intersect(), and ntlTree::intersectX().

int ntlRay::getID ( void ) const [inline]

get this ray's ID

Definition at line 101 of file ntl_ray.h.

Referenced by ntlTree::intersect(), and ntlTree::intersectX().

ntlVec3Gfx ntlRay::getNormal ( ) const [inline]

Returns the ray relfection normal

Definition at line 92 of file ntl_ray.h.

Referenced by ntlLightObject::getShadedColor().

ntlVec3Gfx ntlRay::getOrigin ( ) const [inline]

Returns the ray origin.

Definition at line 88 of file ntl_ray.h.

Referenced by ControlParticles::checkPointInside(), ntlTree::distanceToPlane(), LbmSolverInterface::geoInitCheckPointInside(), ntlLightObject::illuminatePoint(), ntlTree::intersect(), and ntlTree::intersectX().

ntlVec3Gfx ntlRay::getPositionAt ( gfxReal t ) const [inline]

Get position along ray

Definition at line 97 of file ntl_ray.h.

unsigned char ntlRay::getReflected ( ) const [inline]

Definition at line 95 of file ntl_ray.h.

unsigned char ntlRay::getRefracted ( ) const [inline]

Is this ray refracted?

Definition at line 94 of file ntl_ray.h.

ntlRenderGlobals* ntlRay::getRenderglobals ( void ) const [inline]

Get render globals pointer of this ray

Definition at line 99 of file ntl_ray.h.

const ntlColor ntlRay::getShadedColor	(	ntlLightObject *	light,
		const ntlRay &	reflectedray,
		const ntlVec3Gfx &	normal,
		ntlMaterial *	surf
	)		const `[protected]`

void ntlRay::intersectBackAABB	(	ntlVec3Gfx	mStart,
		ntlVec3Gfx	mEnd,
		gfxReal &	t,
		ntlVec3Gfx &	normal,
		ntlVec3Gfx &	retcoord
	)		const

intersect ray with AABB

Definition at line 214 of file ntl_ray.cpp.

References fabs(), getVecEpsilon(), GFX_REAL_MAX, i, LEFT, MIDDLE, NUMDIM, and RIGHT.

void ntlRay::intersectCompleteAABB	(	ntlVec3Gfx	mStart,
		ntlVec3Gfx	mEnd,
		gfxReal &	tmin,
		gfxReal &	tmax
	)		const

intersect ray with AABB

Definition at line 300 of file ntl_ray.cpp.

References fabs(), getVecEpsilon(), GFX_REAL_MAX, i, LEFT, MIDDLE, NUMDIM, and RIGHT.

Referenced by ntlTree::intersect(), and ntlTree::intersectX().

void ntlRay::intersectFrontAABB	(	ntlVec3Gfx	mStart,
		ntlVec3Gfx	mEnd,
		gfxReal &	t,
		ntlVec3Gfx &	normal,
		ntlVec3Gfx &	retcoord
	)		const

intersect ray with AABB

Definition at line 126 of file ntl_ray.cpp.

References fabs(), getVecEpsilon(), GFX_REAL_MAX, i, LEFT, MIDDLE, NUMDIM, and RIGHT.

void ntlRay::intersectTriangle	(	vector< ntlVec3Gfx > *	mpV,
		ntlTriangle *	tri,
		gfxReal &	t,
		gfxReal &	u,
		gfxReal &	v
	)		const `[inline]`

optimized intersect ray with triangle

Definition at line 469 of file ntl_bsptree.cpp.

References cross(), dot(), ntlTriangle::getPoints(), GFX_REAL_MAX, p, and RAY_TRIANGLE_EPSILON.

Referenced by ntlTree::intersect().

void ntlRay::intersectTriangleBack	(	vector< ntlVec3Gfx > *	mpV,
		ntlTriangle *	tri,
		gfxReal &	t,
		gfxReal &	u,
		gfxReal &	v
	)		const `[inline]`

intersect ray only with backsides

Definition at line 921 of file ntl_bsptree.cpp.

References cross(), dot(), ntlTriangle::getPoints(), GFX_REAL_MAX, p, and RAY_TRIANGLE_EPSILON.

void ntlRay::intersectTriangleFront	(	vector< ntlVec3Gfx > *	mpV,
		ntlTriangle *	tri,
		gfxReal &	t,
		gfxReal &	u,
		gfxReal &	v
	)		const `[inline]`

intersect only with front side

Definition at line 899 of file ntl_bsptree.cpp.

References cross(), dot(), ntlTriangle::getPoints(), GFX_REAL_MAX, p, and RAY_TRIANGLE_EPSILON.

void ntlRay::intersectTriangleX	(	vector< ntlVec3Gfx > *	mpV,
		ntlTriangle *	tri,
		gfxReal &	t,
		gfxReal &	u,
		gfxReal &	v
	)		const `[inline]`

optimized intersect ray with triangle along +X axis dir

Definition at line 657 of file ntl_bsptree.cpp.

References cross(), dot(), ntlTriangle::getPoints(), GFX_REAL_MAX, p, and RAY_TRIANGLE_EPSILON.

Referenced by ntlTree::intersectX().

void ntlRay::setDirection ( ntlVec3Gfx set ) [inline]

Set direction of this ray

Definition at line 106 of file ntl_ray.h.

void ntlRay::setNormal ( ntlVec3Gfx set ) [inline]

Set normal of this ray

Definition at line 108 of file ntl_ray.h.

Referenced by shade().

void ntlRay::setOrigin ( ntlVec3Gfx set ) [inline]

Set origin of this ray

Definition at line 104 of file ntl_ray.h.

void ntlRay::setReflected ( unsigned char set ) [inline]

Definition at line 60 of file ntl_ray.h.

void ntlRay::setRefracted ( unsigned char set ) [inline]

Set the refraction flag for refracted rays.

Definition at line 59 of file ntl_ray.h.

Referenced by shade().

const ntlColor ntlRay::shade ( )

main ray recursion function

First get closest object intersection, return background color if nothing was hit, else calculate shading and reflection components and return mixed color

Definition at line 448 of file ntl_ray.cpp.

References ntlMaterial::calculateFresnel(), dot(), equal(), errorOut, KDL::exp(), ntlRenderGlobals::getAmbientLight(), ntlMaterial::getAmbientRefl(), ntlRenderGlobals::getBackgroundCol(), ntlRenderGlobals::getCounterShades(), ntlRenderGlobals::getDebugOut(), ntlMaterial::getFresnel(), ntlRenderGlobals::getLightList(), ntlGeometryObject::getMaterial(), ntlMaterial::getMirror(), ntlTriangle::getNormal(), getNormalized(), ntlScene::getObject(), ntlTriangle::getObjectId(), ntlMaterial::getRefracIndex(), ntlRenderGlobals::getRenderScene(), ntlMaterial::getTransAttCol(), ntlMaterial::getTransparence(), getVecEpsilon(), GFX_REAL_MAX, ntlScene::intersectScene(), ntlRay(), NULL, RAY_MINCONTRIB, RAY_THRESHOLD, reflectVector(), refractVector(), ntlRenderGlobals::setCounterShades(), setNormal(), setRefracted(), and shade().

Referenced by shade().

void ntlRay::tracePhoton ( ntlColor ) const

Trace a photon through the scene

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

ntlRay Class Reference

Public Member Functions

Protected Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation