public FrictionJoint(IWorldPool argWorldPool, FrictionJointDef def)
: base(argWorldPool, def)
{
m_localAnchorA = new Vec2(def.LocalAnchorA);
m_localAnchorB = new Vec2(def.LocalAnchorB);
m_linearImpulse = new Vec2();
m_angularImpulse = 0.0f;
m_maxForce = def.MaxForce;
m_maxTorque = def.MaxTorque;
}