Проектная работа - WIP

bevy tutorial

snake-game/examples/bevy_tutorial.rs

@@ -0,0 +1,53 @@
+use bevy::prelude::*;
+
+fn main() {
+    App::new()
+        .add_systems(Startup, add_people)
+        .add_systems(Update, (hello_world, (update_people, greet_people).chain()))
+        .run();
+}
+
+#[derive(Component)]
+struct Position {
+    x: f32,
+    y: f32,
+}
+
+fn print_position_system(query: Query<&Position>) {
+    for position in &query {
+        println!("position: {} {}", position.x, position.y);
+    }
+}
+
+struct Entity(u64);
+
+fn hello_world() {
+    println!("hello world!");
+}
+
+#[derive(Component)]
+struct Person;
+
+#[derive(Component)]
+struct Name(String);
+
+fn add_people(mut commands: Commands) {
+    commands.spawn((Person, Name("Elaina Proctor".to_string())));
+    commands.spawn((Person, Name("Renzo Hume".to_string())));
+    commands.spawn((Person, Name("Zaina Nieves".to_string())));
+}
+
+fn greet_people(query: Query<&Name, With<Person>>) {
+    for name in &query {
+        println!("hello {}!", name.0);
+    }
+}
+
+fn update_people(mut query: Query<&mut Name, With<Person>>) {
+    for mut name in &mut query {
+        if name.0 == "Elaina Proctor" {
+            name.0 = "Elaina Hume".to_string();
+            break; // We don't need to change any other names.
+        }
+    }
+}