mappedSystemAll = world.setSystem(new MappedSystemAll());
extendedSystem = world.setSystem(new ExtendedSystem());
mappedManager = world.setManager(new MappedManager());
mappedManagerAll = world.setManager(new MappedManagerAll());
extendedManager = world.setManager(new ExtendedManager());
world.setManager(new TagManager());
world.initialize();
entity = world.createEntity();