lib/Joint.js
function Joint(def, bodyA, bodyB) {
  bodyA = def.bodyA || bodyA;
  bodyB = def.bodyB || bodyB;

  _ASSERT && common.assert(bodyA);
  _ASSERT && common.assert(bodyB);
  _ASSERT && common.assert(bodyA != bodyB);

  this.m_type = 'unknown-joint';

  this.m_bodyA = bodyA;
  this.m_bodyB = bodyB;

  this.m_index = 0;
  this.m_collideConnected = !!def.collideConnected;

  this.m_prev = null;
  this.m_next = null;

  this.m_edgeA = new JointEdge();
  this.m_edgeB = new JointEdge();

  this.m_islandFlag = false;
  this.m_userData = def.userData;
}
function Joint(def, bodyA, bodyB) {
  bodyA = def.bodyA || bodyA;
  bodyB = def.bodyB || bodyB;

  _ASSERT && common.assert(bodyA);
  _ASSERT && common.assert(bodyB);
  _ASSERT && common.assert(bodyA != bodyB);

  this.m_type = 'unknown-joint';

  this.m_bodyA = bodyA;
  this.m_bodyB = bodyB;

  this.m_index = 0;
  this.m_collideConnected = !!def.collideConnected;

  this.m_prev = null;
  this.m_next = null;

  this.m_edgeA = new JointEdge();
  this.m_edgeB = new JointEdge();

  this.m_islandFlag = false;
  this.m_userData = def.userData;
}
function Joint ( def , bodyA , bodyB ) { bodyA = def . bodyA || bodyA ; bodyB = def . bodyB || bodyB ; _ASSERT && common . assert ( bodyA ) ; _ASSERT && common . assert ( bodyB ) ; _ASSERT && common . assert ( bodyA != bodyB ) ; this . m_type = 'unknown-joint' ; this . m_bodyA = bodyA ; this . m_bodyB = bodyB ; this . m_index = 0 ; this . m_collideConnected = ! ! def . collideConnected ; this . m_prev = null ; this . m_next = null ; this . m_edgeA = new JointEdge ( ) ; this . m_edgeB = new JointEdge ( ) ; this . m_islandFlag = false ; this . m_userData = def . userData ; }
The base joint class. Joints are used to constraint two bodies together in
various fashions. Some joints also feature limits and motors.

@param {JointDef} def
The base joint class . Joints are used to constraint two bodies together in various fashions . Some joints also feature limits and motors .