public PhysicsBody(PhysicsWorld world, object userData) { FixtureList = new List<Fixture>(32); BodyId = _bodyIdCounter++; World = world; UserData = userData; FixedRotation = false; IsBullet = false; SleepingAllowed = true; Awake = true; BodyType = BodyType.Static; Enabled = true; Xf.R.Set(0); world.AddBody(this); }