Freestyle::FastGrid Class Reference

#include <FastGrid.h>

Inherits Freestyle::Grid.

Public Member Functions
	FastGrid ()
virtual	~FastGrid ()
virtual void	clear ()
virtual void	configure (const Vec3r &orig, const Vec3r &size, uint nb)
Cell *	getCell (const Vec3u &p)
virtual void	fillCell (const Vec3u &p, Cell &cell)
Public Member Functions inherited from Freestyle::Grid
	Grid ()
virtual	~Grid ()
void	getCellCoordinates (const Vec3r &p, Vec3u &res)
Cell *	getCell (const Vec3r &p)
void	getCellOrigin (const Vec3u &cell_coord, Vec3r &orig)
void	getCellBox (const Vec3u &cell_coord, Vec3r &min_out, Vec3r &max_out)
void	insertOccluder (Polygon3r *occluder)
void	addOccluder (Polygon3r *occluder)
void	castRay (const Vec3r &orig, const Vec3r &end, OccludersSet &occluders, uint timestamp)
void	initAcceleratedRay (const Vec3r &orig, const Vec3r &end, uint timestamp)
void	castInfiniteRay (const Vec3r &orig, const Vec3r &dir, OccludersSet &occluders, uint timestamp)
bool	initAcceleratedInfiniteRay (const Vec3r &orig, const Vec3r &dir, uint timestamp)
Polygon3r *	castRayToFindFirstIntersection (const Vec3r &orig, const Vec3r &dir, double &t, double &u, double &v, uint timestamp)
void	initRay (const Vec3r &orig, const Vec3r &end, uint timestamp)
bool	initInfiniteRay (const Vec3r &orig, const Vec3r &dir, uint timestamp)
const Vec3r &	getOrigin () const
Vec3r	gridSize () const
Vec3r	getCellSize () const
OccludersSet *	getOccluders ()
void	displayDebug ()

Protected Attributes
Cell **	_cells
uint	_cells_size
Protected Attributes inherited from Freestyle::Grid
uint	_timestamp
Vec3u	_cells_nb
Vec3r	_cell_size
Vec3r	_size
Vec3r	_orig
Vec3r	_ray_dir
Vec3u	_current_cell
Vec3r	_pt
real	_t_end
real	_t
OccludersSet	_occluders

Additional Inherited Members
Protected Member Functions inherited from Freestyle::Grid
void	castRayInternal (GridVisitor &visitor)
bool	nextRayCell (Vec3u &current_cell, Vec3u &next_cell)

Detailed Description

Class to define a regular grid used for ray casting computations We don't use a hash-table here. The grid is explicitly stored for faster computations. However, this might result in significant increase in memory usage (compared to the regular grid).

Definition at line 21 of file FastGrid.h.

Constructor & Destructor Documentation

FastGrid()

Freestyle::FastGrid::FastGrid ( )

inline

Definition at line 23 of file FastGrid.h.

References _cells, _cells_size, and Freestyle::Grid::Grid().

~FastGrid()

virtual Freestyle::FastGrid::~FastGrid ( )

inlinevirtual

Definition at line 29 of file FastGrid.h.

References clear().

Member Function Documentation

clear()

void Freestyle::FastGrid::clear ( )

virtual

clears the grid Deletes all the cells, clears the hash-table, resets size, size of cell, number of cells.

Reimplemented from Freestyle::Grid.

Definition at line 19 of file FastGrid.cpp.

References _cells, _cells_size, Freestyle::Grid::clear(), and i.

Referenced by ~FastGrid().

configure()

void Freestyle::FastGrid::configure ( const Vec3r & orig, const Vec3r & size, uint nb )

virtual

Sets the different parameters of the grid orig The grid origin size The grid's dimensions nb The number of cells of the grid

Reimplemented from Freestyle::Grid.

Definition at line 37 of file FastGrid.cpp.

References _cells, Freestyle::Grid::_cells_nb, _cells_size, Freestyle::Grid::configure(), and size().

fillCell()

void Freestyle::FastGrid::fillCell ( const Vec3u & p, Cell & cell )

virtual

Fills the case p with the cell iCell

Implements Freestyle::Grid.

Definition at line 61 of file FastGrid.cpp.

References _cells, Freestyle::Grid::_cells_nb, _cells_size, BLI_assert, and BLI_assert_msg.

getCell()

Cell * Freestyle::FastGrid::getCell ( const Vec3u & p )

virtual

returns the cell whose coordinates are passed as argument

Implements Freestyle::Grid.

Definition at line 45 of file FastGrid.cpp.

References _cells, Freestyle::Grid::_cells_nb, _cells_size, BLI_assert, BLI_assert_msg, G, and G_DEBUG_FREESTYLE.

Member Data Documentation

_cells

Cell** Freestyle::FastGrid::_cells

protected

Definition at line 57 of file FastGrid.h.

Referenced by clear(), configure(), FastGrid(), fillCell(), and getCell().

_cells_size

uint Freestyle::FastGrid::_cells_size

protected

Definition at line 58 of file FastGrid.h.

Referenced by clear(), configure(), FastGrid(), fillCell(), and getCell().

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

• FastGrid.h
• FastGrid.cpp