Проектная работа - WIP

snake-game/src/domain.rs

@@ -1,12 +1,49 @@
-use bevy::ecs::component::Component;
+use bevy::prelude::*;
 
-pub mod constants {
-    pub const FRAMES_PER_SECOND: u8 = 24;
-
-    pub const GRID_SIZE: u8 = 48;
-
-    pub const HEAD_SIZE: u8 = (GRID_SIZE as f32 * 1.1) as u8;
-}
+pub const FRAMES_PER_SECOND: u8 = 24;
+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;
 
+/// Голова змеи
 #[derive(Component)]
 pub struct Head;
+
+/// Направление движения
+#[derive(Component)]
+pub enum Direction {
+    Up,
+    Left,
+    Down,
+    Right,
+}
+
+/// Скорость движения
+#[derive(Component)]
+pub struct Velocity(f32);
+
+impl Direction {
+    pub fn rotate_left(&mut self) {
+        *self = match self {
+            Direction::Up => Direction::Left,
+            Direction::Left => Direction::Down,
+            Direction::Down => Direction::Right,
+            Direction::Right => Direction::Up,
+        };
+    }
+
+    pub fn rotate_right(&mut self) {
+        *self = match self {
+            Direction::Up => Direction::Right,
+            Direction::Right => Direction::Down,
+            Direction::Down => Direction::Left,
+            Direction::Left => Direction::Up,
+        };
+    }
+}
+
+impl Default for Direction {
+    fn default() -> Self {
+        Direction::Up
+    }
+}