/// Set the contact filtering data. This will not update contacts until the next time /// step when either parent body is active and awake. public void SetFilterData(ref Filter filter) { _filter = filter; if (_body == null) { return; } // Flag associated contacts for filtering. ContactEdge edge = _body.GetContactList(); while (edge != null) { Contact contact = edge.Contact; Fixture fixtureA = contact.GetFixtureA(); Fixture fixtureB = contact.GetFixtureB(); if (fixtureA == this || fixtureB == this) { contact.FlagForFiltering(); } edge = edge.Next; } }