b2Contact Class Reference

The class manages contact between two shapes. More...

Inherited by b2CircleContact, b2NullContact, b2PolyAndCircleContact, and b2PolygonContact.

List of all members.

Public Member Functions
virtual b2Manifold *	GetManifolds ()=0
	Get the manifold array.
int32	GetManifoldCount () const
	Get the number of manifolds.
bool	IsSolid () const
	Is this contact solid?
b2Contact *	GetNext ()
	Get the next contact in the world's contact list.
b2Shape *	GetShape1 ()
	Get the first shape in this contact.
b2Shape *	GetShape2 ()
	Get the second shape in this contact.

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Detailed Description

The class manages contact between two shapes.

A contact exists for each overlapping AABB in the broad-phase (except if filtered). Therefore a contact object may exist that has no contact points.

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Member Function Documentation

int32 b2Contact::GetManifoldCount

(

)

const [inline]

Get the number of manifolds.

This is 0 or 1 between convex shapes. This may be greater than 1 for convex-vs-concave shapes. Each manifold holds up to two contact points with a shared contact normal.

bool b2Contact::IsSolid

(

)

const [inline]

Is this contact solid?

Returns:

true if this contact should generate a response.

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

• b2Contact.h
• b2Contact.cpp

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