GridAccel Class Reference

#include <grid.h>

Inheritance diagram for GridAccel:

List of all members.

Public Member Functions
	GridAccel (const vector< Reference< Primitive > > &p, bool refineImmediately)
BBox	WorldBound () const
bool	CanIntersect () const
	~GridAccel ()
bool	Intersect (const Ray &ray, Intersection *isect) const
bool	IntersectP (const Ray &ray) const
Private Member Functions
int	posToVoxel (const Point &P, int axis) const
float	voxelToPos (int p, int axis) const
int	offset (int x, int y, int z) const
Private Attributes
vector< Reference< Primitive > >	primitives
int	nVoxels [3]
BBox	bounds
Vector	width
Vector	invWidth
Voxel **	voxels
MemoryArena	voxelArena
RWMutex *	rwMutex

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Detailed Description

Definition at line 60 of file grid.h.

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Constructor & Destructor Documentation

GridAccel::GridAccel	(	const vector< Reference< Primitive > > &	p,
		bool	refineImmediately
	)

Definition at line 32 of file grid.cpp.

References Voxel::AddPrimitive(), MemoryArena::Alloc(), Assert, bounds, Clamp(), RWMutex::Create(), Primitive::FullyRefine(), invWidth, BBox::MaximumExtent(), nVoxels, offset(), BBox::pMax, BBox::pMin, posToVoxel(), primitives, Round2Int(), rwMutex, Union(), voxelArena, voxels, width, and WorldBound().

GridAccel::~GridAccel

(

)

Definition at line 107 of file grid.cpp.

References RWMutex::Destroy(), FreeAligned(), nVoxels, rwMutex, and voxels.

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Member Function Documentation

bool GridAccel::CanIntersect

(

)

const [inline, virtual]

Reimplemented from Primitive.

Definition at line 65 of file grid.h.

bool GridAccel::Intersect	(	const Ray &	ray,
		Intersection *	isect
	)			const [virtual]

Implements Primitive.

Definition at line 115 of file grid.cpp.

References bounds, Ray::d, BBox::Inside(), Voxel::Intersect(), BBox::IntersectP(), Ray::maxt, Ray::mint, nVoxels, offset(), posToVoxel(), READ, rwMutex, Voxel::size(), voxels, voxelToPos(), and width.

bool GridAccel::IntersectP

(

const Ray &

ray

)

const [virtual]

Implements Primitive.

Definition at line 218 of file grid.cpp.

References bounds, Ray::d, BBox::Inside(), Voxel::IntersectP(), BBox::IntersectP(), Ray::maxt, Ray::mint, nVoxels, offset(), posToVoxel(), READ, rwMutex, Voxel::size(), voxels, voxelToPos(), and width.

int GridAccel::offset	(	int	x,
		int	y,
		int	z
	)			const [inline, private]

Definition at line 79 of file grid.h.

References nVoxels.

Referenced by GridAccel(), Intersect(), and IntersectP().

int GridAccel::posToVoxel	(	const Point &	P,
		int	axis
	)			const [inline, private]

Definition at line 71 of file grid.h.

References bounds, Clamp(), Float2Int(), invWidth, nVoxels, and BBox::pMin.

Referenced by GridAccel(), Intersect(), and IntersectP().

float GridAccel::voxelToPos	(	int	p,
		int	axis
	)			const [inline, private]

Definition at line 76 of file grid.h.

References bounds, BBox::pMin, and width.

Referenced by Intersect(), and IntersectP().

BBox GridAccel::WorldBound

(

)

const [virtual]

Implements Primitive.

Definition at line 102 of file grid.cpp.

References bounds.

Referenced by GridAccel().

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Member Data Documentation

BBox GridAccel::bounds [private]

Definition at line 86 of file grid.h.

Referenced by GridAccel(), Intersect(), IntersectP(), posToVoxel(), voxelToPos(), and WorldBound().

Vector GridAccel::invWidth [private]

Definition at line 87 of file grid.h.

Referenced by GridAccel(), and posToVoxel().

int GridAccel::nVoxels[3] [private]

Definition at line 85 of file grid.h.

Referenced by GridAccel(), Intersect(), IntersectP(), offset(), posToVoxel(), and ~GridAccel().

vector<Reference<Primitive> > GridAccel::primitives [private]

Definition at line 84 of file grid.h.

Referenced by GridAccel().

RWMutex* GridAccel::rwMutex [mutable, private]

Definition at line 90 of file grid.h.

Referenced by GridAccel(), Intersect(), IntersectP(), and ~GridAccel().

MemoryArena GridAccel::voxelArena [private]

Definition at line 89 of file grid.h.

Referenced by GridAccel().

Voxel** GridAccel::voxels [private]

Definition at line 88 of file grid.h.

Referenced by GridAccel(), Intersect(), IntersectP(), and ~GridAccel().

Vector GridAccel::width [private]

Definition at line 87 of file grid.h.

Referenced by GridAccel(), Intersect(), IntersectP(), and voxelToPos().

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

• grid.h
• grid.cpp