org.jbox2d.collision

Class Distance

java.lang.Object

org.jbox2d.collision.Distance

public class Distance
extends java.lang.Object

This is non-static for faster pooling. To get an instance, use the SingletonPool, don't construct a distance object.

Author:

Daniel Murphy

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Distance.DistanceProxy A distance proxy is used by the GJK algorithm.
static class	Distance.SimplexCache Used to warm start Distance.

Field Summary

Fields

Modifier and Type	Field and Description
static int	GJK_CALLS
static int	GJK_ITERS
static int	GJK_MAX_ITERS

Constructor Summary

Constructors

Constructor and Description
Distance()

Method Summary

Modifier and Type	Method and Description
void	distance(DistanceOutput output, Distance.SimplexCache cache, DistanceInput input) Compute the closest points between two shapes.

Methods inherited from class java.lang.Object

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

Field Detail

GJK_CALLS

public static int GJK_CALLS

GJK_ITERS

public static int GJK_ITERS

GJK_MAX_ITERS

public static int GJK_MAX_ITERS

Constructor Detail

Distance

public Distance()

Method Detail

distance

public final void distance(DistanceOutput output,
                           Distance.SimplexCache cache,
                           DistanceInput input)

Compute the closest points between two shapes. Supports any combination of: CircleShape and PolygonShape. The simplex cache is input/output. On the first call set SimplexCache.count to zero.

Parameters:

output -

cache -

input -