# b2FrictionJointDef Struct Reference

Friction joint definition. More...

`#include <b2FrictionJoint.h>`

Inheritance diagram for b2FrictionJointDef:

List of all members.

## Public Member Functions
| b2FrictionJointDef ()
void | Initialize (b2Body *bodyA, b2Body *bodyB, const b2Vec2 &anchor)
## Public Attributes
b2Vec2 | localAnchorA
| The local anchor point relative to bodyA's origin.
b2Vec2 | localAnchorB
| The local anchor point relative to bodyB's origin.
float32 | maxForce
| The maximum friction force in N.
float32 | maxTorque
| The maximum friction torque in N-m.

## Detailed Description

Friction joint definition.

## Constructor & Destructor Documentation

b2FrictionJointDef::b2FrictionJointDef | ( |  | ) | `[inline]`

## Member Function Documentation

void b2FrictionJointDef::Initialize | ( | b2Body * | bodyA,
|  | b2Body * | bodyB,
|  | const b2Vec2 & | anchor |
| ) |  |  |

Initialize the bodies, anchors, axis, and reference angle using the world anchor and world axis.

## Member Data Documentation

b2Vec2 b2FrictionJointDef::localAnchorA

The local anchor point relative to bodyA's origin.

b2Vec2 b2FrictionJointDef::localAnchorB

The local anchor point relative to bodyB's origin.

float32 b2FrictionJointDef::maxForce

The maximum friction force in N.

float32 b2FrictionJointDef::maxTorque

The maximum friction torque in N-m.

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

- Box2D/Box2D/Dynamics/Joints/b2FrictionJoint.h
- Box2D/Box2D/Dynamics/Joints/b2FrictionJoint.cpp