Death detection

src/damagable.rs

@@ -1,7 +1,7 @@
 use bevy::prelude::*;
 use std::default::Default;
 
-use crate::GameState;
+use crate::{GameState, ships::Factions};
 
 pub struct DamagablePlugin;
 
@@ -20,6 +20,9 @@ pub struct Damagable {
     max_hp: u32,
 }
 
+#[derive(Event)]
+pub struct DamageableKilled(Option<Factions>);
+
 impl Default for Damagable {
     fn default() -> Self {
         Self { max_hp: 15, hp: 15 }
@@ -38,12 +41,24 @@ impl Damagable {
         }
         self.hp -= amount;
     }
+
+    pub fn health(&self) -> u32 {
+        return self.hp;
+    }
+
+    pub fn max_health(&self) -> u32 {
+        return self.max_hp;
+    }
 }
 
-pub fn broken_ships_cleanup(mut commands: Commands, query: Query<(Entity, &Damagable)>) {
-    for (entity, damagable) in query {
+pub fn broken_ships_cleanup(
+    mut commands: Commands,
+    query: Query<(Entity, &Damagable, Option<&Factions>)>,
+) {
+    for (entity, damagable, faction) in query {
         if damagable.hp == 0 {
             commands.get_entity(entity).unwrap().despawn();
+            commands.trigger(DamageableKilled(faction.cloned()));
         }
     }
 }

src/ships/enemy.rs

@@ -30,7 +30,7 @@ pub fn spawn_enemy(commands: &mut Commands, sprite: Handle<Image>, at: Vec2) {
         },
         Gun::new(2, f32::to_radians(15.), 0.2),
         Collider::new(8.),
-        Velocity::moving(256., f32::to_radians(360.)),
+        Velocity::moving(256., f32::to_radians(180.)),
         Sprite::from(sprite),
         Transform::from_xyz(at.x, at.y, 0.),
         Damagable::new(100),
@@ -77,17 +77,18 @@ pub fn enemy_ai_system(
                 if distance_to_player <= enemy.return_radius * enemy.return_radius {
                     enemy_velocity.linear_speed = enemy_velocity.max_linear_speed;
                     enemy.state = EnemyState::Distancing;
-                    gun.shoot = false;
                     continue;
                 }
             }
             EnemyState::Distancing => {
                 if distance_to_player > enemy.return_radius * enemy.return_radius {
                     enemy.state = EnemyState::Approaching;
+                    gun.shoot = false;
                     continue;
                 }
                 if direction.angle_between(dir_to_player) > f32::to_radians(90.) {
                     enemy_velocity.rotation_speed = 0.;
+                    gun.shoot = false;
                     continue;
                 }