Проектная работа - WIP

snake-game/src/startup.rs

@@ -37,7 +37,7 @@ fn spawn_snake(commands: &mut Commands) {
                 vec2(HEAD_SIZE as f32, HEAD_SIZE as f32),
             ),
             Transform {
-                translation: vec3(0.0, 0.0, 1.0),
+                translation: vec3(0.0, 0.0, 0.0),
                 ..Default::default()
             },
         ))
@@ -48,7 +48,7 @@ fn spawn_snake(commands: &mut Commands) {
             vec2(HEAD_SIZE as f32 * 0.3, HEAD_SIZE as f32 * 0.3),
         ),
         Transform {
-            translation: vec3(HEAD_SIZE as f32 * -0.25, HEAD_SIZE as f32 * 0.25, 0.0),
+            translation: vec3(HEAD_SIZE as f32 * -0.25, HEAD_SIZE as f32 * 0.25, 1.0),
             ..Default::default()
         },
         ChildOf(head),
@@ -59,7 +59,7 @@ fn spawn_snake(commands: &mut Commands) {
             vec2(HEAD_SIZE as f32 * 0.2, HEAD_SIZE as f32 * 0.2),
         ),
         Transform {
-            translation: vec3(HEAD_SIZE as f32 * 0.25, HEAD_SIZE as f32 * 0.25, 0.0),
+            translation: vec3(HEAD_SIZE as f32 * 0.25, HEAD_SIZE as f32 * 0.25, 1.0),
             ..Default::default()
         },
         ChildOf(head),
@@ -93,6 +93,25 @@ fn spawn_snake(commands: &mut Commands) {
             commands.entity(event.0).remove::<ObservedBy>();
         },
     );
+
+    commands
+        .entity(tail)
+        //
+        .observe(
+            |event: On<GridBarier>,
+             mut query: Query<(&mut Direction, &Transform)>,
+             snake_path: Res<SnakePath>| {
+                trace!("first observer working");
+                if let Ok((mut direction, transform)) = query.get_mut(event.0) {
+                    if let Some(new_direction) = snake_path.pick(transform) {
+                        *direction = new_direction;
+                    }
+                }
+            },
+        )
+        .observe(|event: On<GridBarier>| {
+            trace!("second observer working");
+        });
 }
 
 /// Создать координатную сетку