52 lines
1.2 KiB
Rust
52 lines
1.2 KiB
Rust
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use bevy::prelude::*;
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#[derive(Component)]
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struct Person;
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#[derive(Component)]
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struct Name(String);
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#[derive(Component)]
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struct Position {
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x: f32,
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y: f32,
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}
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#[derive(Resource)]
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struct GreetTimer(Timer);
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struct Entity(u64);
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pub struct HelloPlugin;
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impl Plugin for HelloPlugin {
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fn build(&self, app: &mut App) {
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// add things to your app here
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}
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}
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fn add_people(mut commands: Commands) {
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commands.spawn((Person, Name("Elaina Proctor".to_string())));
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commands.spawn((Person, Name("Renzo Hume".to_string())));
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commands.spawn((Person, Name("Zayna Nieves".to_string())));
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}
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fn main() {
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let mut app = App::new();
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app.add_plugins((DefaultPlugins, HelloPlugin))
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.add_systems(Startup, add_people)
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.add_systems(Update, greet_people)
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.insert_resource(GreetTimer(Timer::from_seconds(0.2, TimerMode::Repeating)));
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app.run()
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}
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fn greet_people(time: Res<Time>, mut timer: ResMut<GreetTimer>, query: Query<&Name, With<Person>>) {
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// update our timer with the time elapsed since the last update
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// if that caused the timer to finish, we say hello to everyone
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if timer.0.tick(time.delta()).just_finished() {
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for name in &query {
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println!("hello {}!", name.0);
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}
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}
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}
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