// Use this for initialization protected override IntPtr Init() { FrictionJointDef jd = new FrictionJointDef(other.body, body.body); jd.Initialize(other.body, body.body, anchor); jd.maxForce = maxForce; jd.maxTorque = maxTorque; return(API.CreateFrictionJoint(B2DWorld.instance.world, jd)); }