Проектная работа - WIP

snake-game/Cargo.toml

@@ -4,8 +4,8 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
-# bevy = { version = "0.18", default-features = false, features = ["2d_bevy_render", "bevy_log", "bevy_winit", "bevy_text", "bevy_ui", "debug"] }
-bevy = { version = "0.18" }
+bevy = { version = "0.18", default-features = false, features = ["2d_bevy_render", "bevy_log", "bevy_winit", "bevy_text", "bevy_ui", "debug"] }
+# bevy = { version = "0.18" }
 tracing = "0.1"
 tracing-subscriber = "0.3"
 

snake-game/examples/schedules_test.rs

@@ -3,7 +3,6 @@ use bevy::prelude::*;
 fn main() {
     App::new() //
         .add_plugins(DefaultPlugins)
-        .add_systems(StateTransition, state_transition)
         .add_systems(PreStartup, pre_startup)
         .add_systems(Startup, (startup, setup))
         .add_systems(PostStartup, post_startup)
@@ -14,10 +13,6 @@ fn main() {
         .run();
 }
 
-fn state_transition() {
-    info!("StateTransition");
-}
-
 fn pre_startup() {
     info!("PreStartup");
 }
@@ -52,7 +47,23 @@ fn check_space_pressed(input: Res<ButtonInput<KeyCode>>, mut commands: Commands)
     }
 }
 
-fn setup(mut commands: Commands) {}
+fn setup(mut commands: Commands) {
+    commands.spawn((Observer::new(test_event_0_handler),));
+    commands.spawn((Observer::new(test_event_1_handler),));
+}
 
-#[derive(Event)]
+#[derive(Event, Debug)]
 struct TestEvent0;
+
+#[derive(Event, Debug)]
+struct TestEvent1;
+
+fn test_event_0_handler(event: On<TestEvent0>, mut commands: Commands) {
+    info!("handle {:?}", event.event());
+    commands.trigger(TestEvent1);
+}
+
+fn test_event_1_handler(event: On<TestEvent1>, mut commands: Commands) {
+    info!("handle {:?}", event.event());
+    commands.trigger(TestEvent0);
+}