Package org.jbox2d.collision

Class Distance

java.lang.Object

org.jbox2d.collision.Distance

public class Distance
extends 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	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	Description
static int	GJK_CALLS
static int	GJK_ITERS
static int	GJK_MAX_ITERS
static final int	MAX_ITERS

Constructor Summary

Constructors

Constructor	Description
Distance()

Method Summary

Modifier and Type	Method	Description
final 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 Details

MAX_ITERS

public static final int MAX_ITERS

See Also:

• Constant Field Values

GJK_CALLS

public static int GJK_CALLS

GJK_ITERS

public static int GJK_ITERS

GJK_MAX_ITERS

public static int GJK_MAX_ITERS

Constructor Details

Distance

public Distance()

Method Details

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.