Проектная работа - WIP

snake-game/src/domain.rs

@@ -15,6 +15,7 @@ pub use position::Position;
 pub const GRID_SIZE: u8 = 48;
 pub const HEAD_SIZE: u8 = (GRID_SIZE as f32 * 1.1) as u8;
 pub const SNAKE_VELOCITY: u8 = (GRID_SIZE as f32 / 1.0) as u8;
+pub const FIELD_SIZE: u8 = 20;
 
 /// Голова змеи
 #[derive(Component)]

snake-game/src/domain/events.rs

@@ -18,3 +18,9 @@ impl GridBarier {
 
 #[derive(Event)]
 pub struct GrowUp;
+
+#[derive(Event)]
+pub enum Collision {
+    Bounds,
+    Entity(Entity),
+}

snake-game/src/startup.rs

@@ -1,27 +1,64 @@
-use bevy::prelude::*;
+use bevy::{color::palettes::tailwind::*, prelude::*};
 
 use crate::{
-    domain::{End, SnakePath, Tail},
+    domain::{End, FIELD_SIZE, GRID_SIZE, SnakePath, Tail},
     observers::schedule_set_velocity,
 };
 
 /// Инициализация игрового мира
 pub fn startup(mut commands: Commands, mut time: ResMut<Time<Fixed>>) {
     time.set_timestep_hz(32.0);
-    spawn_snake(&mut commands);
-    crate::debug::spawn_grid(&mut commands);
-    commands.spawn(Camera2d);
-}
-
-/// Создать голову змеи
-fn spawn_snake(commands: &mut Commands) {
-    use crate::domain::{Direction, HEAD_SIZE, Head, SNAKE_VELOCITY, Velocity};
 
     commands.insert_resource(SnakePath::default());
 
     commands.spawn(Observer::new(crate::observers::clean_snake_path));
     commands.spawn(Observer::new(crate::observers::grow_up_snake));
 
+    spawn_bounds(&mut commands);
+
+    spawn_snake(&mut commands);
+
+    crate::debug::spawn_grid(&mut commands);
+
+    commands.spawn(Camera2d);
+}
+
+/// Создать границу игрового поля
+fn spawn_bounds(commands: &mut Commands) {
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32, 5.0)), //
+        Transform {
+            translation: vec3(0.0, -(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3((FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+    commands.spawn((
+        Sprite::from_color(AMBER_500, vec2(5.0, (FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32)), //
+        Transform {
+            translation: vec3(-(FIELD_SIZE as f32 + 1.0) * GRID_SIZE as f32 / 2.0, 0.0, 0.0),
+            ..Default::default()
+        },
+    ));
+}
+
+/// Создать голову змеи
+fn spawn_snake(commands: &mut Commands) {
+    use crate::domain::{Direction, HEAD_SIZE, Head, SNAKE_VELOCITY, Velocity};
+
     commands.spawn(Observer::new(crate::debug::trace_snake_moving));
 
     let head = commands