Gameover condition

src/ships/enemy.rs

@@ -1,10 +1,10 @@
+use crate::velocity::Velocity;
 use bevy::prelude::*;
 
 use crate::{
     collision::Collider,
     damagable::Damagable,
     ships::{Factions, gun::Gun, player::PlayerMovement},
-    velocity::{self, Velocity},
 };
 
 #[derive(Component)]

src/ships/mod.rs

@@ -41,7 +41,8 @@ impl Plugin for ShipsPlugin {
                     gun::gun_shooting_system.run_if(in_state(GameState::Game)),
                     enemy::enemy_ai_system.run_if(in_state(GameState::Game)),
                 ),
-            );
+            )
+            .add_observer(player::player_death_observer);
     }
 }
 

src/ships/player.rs

@@ -1,6 +1,7 @@
 use crate::{
+    GameState,
     collision::Collider,
-    damagable::Damagable,
+    damagable::{Damagable, DamageableKilled},
     ships::{Factions, enemy::Enemy, gun::Gun},
     velocity::Velocity,
 };
@@ -95,3 +96,14 @@ pub fn player_shooting_system(
     let mut gun = query.into_inner();
     gun.shoot = keyboard_input.pressed(KeyCode::Space);
 }
+
+pub fn player_death_observer(killed: On<DamageableKilled>, mut commands: Commands) {
+    let Some(faction) = killed.killed_faction else {
+        return;
+    };
+
+    if faction == Factions::PlayerFaction {
+        commands.set_state(GameState::Gameover);
+        return;
+    }
+}

src/velocity.rs

@@ -24,14 +24,6 @@ pub struct Velocity {
 }
 
 impl Velocity {
-    pub fn stopped(max_linear_speed: f32, max_rotation_speed: f32) -> Velocity {
-        Velocity {
-            linear_speed: 0.,
-            rotation_speed: 0.,
-            max_linear_speed: max_linear_speed,
-            max_rotation_speed: max_rotation_speed,
-        }
-    }
     pub fn moving(max_linear_speed: f32, max_rotation_speed: f32) -> Velocity {
         Velocity {
             linear_speed: max_linear_speed,