bevy/examples/ecs/startup_system.rs
Carter Anderson aefe1f0739
Schedule-First: the new and improved add_systems (#8079)
Co-authored-by: Mike <mike.hsu@gmail.com>
2023-03-18 01:45:34 +00:00

20 lines
484 B
Rust

//! Demonstrates a startup system (one that runs once when the app starts up).
use bevy::prelude::*;
fn main() {
App::new()
.add_systems(Startup, startup_system)
.add_systems(Update, normal_system)
.run();
}
/// Startup systems are run exactly once when the app starts up.
/// They run right before "normal" systems run.
fn startup_system() {
println!("startup system ran first");
}
fn normal_system() {
println!("normal system ran second");
}