use bevy::{prelude::*, window::CreateWindow}; fn main() { App::build().add_default_plugins().setup(setup).run(); } fn setup(_world: &mut World, resources: &mut Resources) { let mut create_window_events = resources.get_mut::>().unwrap(); create_window_events.send(CreateWindow { descriptor: WindowDescriptor { width: 800, height: 600, vsync: false, title: "another window".to_string(), }, }); }