Проектная работа - WIP

snake-game/src/startup.rs

@@ -1,8 +1,7 @@
+use bevy::{ecs::observer::ObservedBy, prelude::*, winit::WinitSettings};
 use std::time::Duration;
 
-use bevy::{prelude::*, winit::WinitSettings};
-
-use crate::domain::Tail;
+use crate::domain::{End, Grid, GridBarier, SnakePath, Tail};
 
 /// Настройка частоты кадров
 pub fn setup_frame_rate(mut winit: ResMut<WinitSettings>) {
@@ -25,6 +24,8 @@ pub fn startup(mut commands: Commands) {
 fn spawn_snake(commands: &mut Commands) {
     use crate::domain::{Direction, HEAD_SIZE, Head, Inert, SNAKE_VELOCITY, Velocity};
 
+    commands.insert_resource(SnakePath::default());
+
     let head = commands
         .spawn((
             Head,
@@ -64,43 +65,69 @@ fn spawn_snake(commands: &mut Commands) {
         ChildOf(head),
     ));
 
-    commands.spawn((
-        Tail(0),
-        Direction::default(),
-        Inert::default(),
-        Velocity(0.0),
-        Sprite::from_color(
-            Color::srgb(0.7, 0.7, 0.7),
-            vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8),
-        ),
-        Transform {
-            translation: vec3(0.0, 0.0, 0.0),
-            ..Default::default()
+    let tail = commands
+        .spawn((
+            Tail,
+            End,
+            Direction::default(),
+            Inert::default(),
+            Velocity(0.0),
+            Sprite::from_color(
+                Color::srgb(0.7, 0.7, 0.7),
+                vec2(HEAD_SIZE as f32 * 0.8, HEAD_SIZE as f32 * 0.8),
+            ),
+            Transform {
+                translation: vec3(0.0, 0.0, 0.0),
+                ..Default::default()
+            },
+        ))
+        .id();
+
+    commands.entity(head).observe(
+        move |event: On<GridBarier>,
+              mut commands: Commands,
+              mut query: Query<&mut Velocity, With<Tail>>| {
+            if let Ok(mut velocity) = query.get_mut(tail) {
+                velocity.0 = SNAKE_VELOCITY as f32;
+            }
+            commands.entity(event.0).remove::<ObservedBy>();
         },
-        // ChildOf(head),
-    ));
+    );
 }
 
 /// Создать координатную сетку
 fn spawn_grid(commands: &mut Commands) {
     use crate::domain::GRID_SIZE;
 
+    let grid = commands
+        .spawn((Grid, Transform::default(), Visibility::default()))
+        .id();
+
     for x in -20..=20 {
         commands.spawn((
-            Sprite::from_color(Color::srgb(1.0, 1.0, 0.5), vec2(1.0, 2000.0)),
+            Sprite::from_color(Color::srgb(1.0, 1.0, 0.5), vec2(0.5, 2000.0)),
             Transform {
                 translation: vec3(x as f32 * GRID_SIZE as f32, 0.0, -1.0),
                 ..Default::default()
             },
+            ChildOf(grid),
         ));
     }
     for y in -20..=20 {
         commands.spawn((
-            Sprite::from_color(Color::srgb(1.0, 1.0, 0.5), vec2(2000.0, 1.0)),
+            Sprite::from_color(Color::srgb(1.0, 1.0, 0.5), vec2(2000.0, 0.5)),
             Transform {
                 translation: vec3(0.0, y as f32 * GRID_SIZE as f32, -1.0),
                 ..Default::default()
             },
+            ChildOf(grid),
         ));
     }
 }
+
+/// ДЛЯ ОТЛАДКИ - вывод всех сущностей мира
+pub fn print_all_entities(mut commands: Commands, query: Query<Entity>) {
+    for entity in query {
+        commands.entity(entity).log_components();
+    }
+}