maspack.collision

Class AccelerationGrid<T>

java.lang.Object

maspack.collision.AccelerationGrid<T>

public class AccelerationGrid<T>
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
java.util.ArrayList<java.util.LinkedHashSet<T>>	cells
Vector3d	cellsize
java.util.LinkedHashMap<T,java.util.ArrayList<int[]>>	elementidxs
int	nx
int	ny
int	nz
Point3d	xmax
Point3d	xmin

Constructor Summary

Constructors

Constructor and Description
AccelerationGrid()

Method Summary

Modifier and Type	Method and Description
void	add_element(T elem, Point3d min, Point3d max)
java.util.ArrayList<T>	find_overlapping_elements(Point3d min, Point3d max)
java.util.LinkedHashSet<T>	get(int x, int y, int z)
int[]	getIndex(Point3d p)
int[][]	getIndexes(Point3d min, Point3d max)
void	remove_element(T elem)
void	set(int x, int y, int z, java.util.LinkedHashSet<T> cell)
void	set(Point3d _xmin, Point3d _xmax, int n)
void	set(Point3d _xmin, Point3d _xmax, int _nx, int _ny, int _nz)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

cells

public java.util.ArrayList<java.util.LinkedHashSet<T>> cells

elementidxs

public java.util.LinkedHashMap<T,java.util.ArrayList<int[]>> elementidxs

xmin

public Point3d xmin

xmax

public Point3d xmax

nx

public int nx

ny

public int ny

nz

public int nz

cellsize

public Vector3d cellsize

Constructor Detail

AccelerationGrid

public AccelerationGrid()

Method Detail

add_element

public void add_element(T elem,
                        Point3d min,
                        Point3d max)

remove_element

public void remove_element(T elem)

set

public void set(Point3d _xmin,
                Point3d _xmax,
                int n)

set

public void set(Point3d _xmin,
                Point3d _xmax,
                int _nx,
                int _ny,
                int _nz)

get

public java.util.LinkedHashSet<T> get(int x,
                                      int y,
                                      int z)

set

public void set(int x,
                int y,
                int z,
                java.util.LinkedHashSet<T> cell)

getIndex

public int[] getIndex(Point3d p)

getIndexes

public int[][] getIndexes(Point3d min,
                          Point3d max)

find_overlapping_elements

public java.util.ArrayList<T> find_overlapping_elements(Point3d min,
                                                        Point3d max)