Проектная работа - WIP

snake-game/src/domain.rs

@@ -86,6 +86,18 @@ impl Direction {
             Direction::Left | Direction::Right => vec.translation.x = value,
         }
     }
+
+    /// Получить следующую по направлению координатную позицию
+    pub fn next_pos(&self, transform: &Transform) -> Position {
+        let mut pos = Position::from(transform);
+        match self {
+            Direction::Up => pos.y += 1,
+            Direction::Left => pos.x -= 1,
+            Direction::Down => pos.y -= 1,
+            Direction::Right => pos.x += 1,
+        };
+        pos
+    }
 }
 
 impl Default for Direction {
@@ -103,31 +115,9 @@ pub struct Velocity(pub f32);
 pub struct Inert(pub Direction);
 
 /// Путь змеи
-#[derive(Resource, Default, Debug)]
+#[derive(Resource, Default, Debug, Deref, DerefMut)]
 pub struct SnakePath(HashMap<Position, Direction>);
 
-impl SnakePath {
-    pub fn push(&mut self, transform: &Transform, direction: Direction) -> (Position, Direction) {
-        let key = transform.into();
-        self.0.insert(key, direction.clone());
-        (key, direction.clone())
-    }
-
-    pub fn pick(&self, transform: &Transform) -> Option<(Position, Direction)> {
-        let key = transform.into();
-        self.0.get(&key).cloned().map(|d| (key, d))
-    }
-
-    pub fn drop(&mut self, transform: &Transform) -> Option<(Position, Direction)> {
-        let key = transform.into();
-        self.0.remove(&key).map(|d| (key, d))
-    }
-
-    pub fn debug(&self) -> impl Debug {
-        &self.0
-    }
-}
-
 #[cfg(test)]
 mod test {
     use crate::domain::*;