feat(sounds): Add sound effects and background music

Author: jerthz

README.md

@@ -50,3 +50,6 @@ cargo run --features "metal"
 ```
 
 ### Credits 
+
+- Main theme is : Frozen Jam by tgfcoder <https://twitter.com/tgfcoder> licensed under CC-BY-3 <http://creativecommons.org/licenses/by/3.0/>
+- Effects : 8-bit Platformer SFX commissioned by Mark McCorkle for OpenGameArt.org ( http://opengameart.org ) && Juhani Junkala

assets/audio/air.ogg

@@ -23,7 +23,7 @@
          "y":0
         }, 
         {
-         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 58, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 37, 37, 37, 37, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 59, 0, 0, 0, 0, 0, 0, 0, 0, 97, 0, 0, 0, 97, 0, 0, 95, 96, 0, 0, 0, 93, 94, 0, 0, 0, 0, 0, 0],
+         "data":[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 58, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 37, 37, 37, 37, 27, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 48, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 26, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 49, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 36, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 46, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 59, 0, 0, 0, 0, 0, 0, 0, 0, 97, 0, 0, 0, 97, 0, 0, 95, 96, 0, 0, 0, 93, 94, 0, 0, 0, 0, 0, 0],
          "height":30,
          "id":3,
          "name":"Entities",

assets/audio/bonus.ogg

@@ -3,6 +3,12 @@ use amethyst::core::ecs::{Component, DenseVecStorage};
 use geo::{Polygon, LineString};
 use geo::intersects::Intersects;
 
+pub struct ButtonPlatform;
+
+impl Component for ButtonPlatform {
+    type Storage = DenseVecStorage<Self>;
+}
+
 pub struct LandingPlatform;
 
 impl Component for LandingPlatform {

assets/audio/explosion.ogg

@@ -33,6 +33,8 @@ use crate::systems::score_system::ScoreSystem;
 use crate::states::CurrentState;
 use crate::systems::blade_saw_system::BladeSawSystem;
 use crate::systems::bonus_system::BonusSystem;
+use amethyst::audio::{AudioBundle, DjSystemDesc, DjSystem};
+use crate::utils::sound::Sounds;
 
 fn main() -> amethyst::Result<()> {
     amethyst::start_logger(Default::default());
@@ -62,8 +64,14 @@ fn main() -> amethyst::Result<()> {
                 .with_plugin(RenderUi::default())
                 .with_plugin(RenderFlat2D::default())
         )?
+        .with_bundle(AudioBundle::default())?
         .with(
-            ShipSystem.pausable(CurrentState::Level),
+            DjSystem::new(|music: &mut Sounds| music.menu_music.next()),
+            "dj",
+            &[],
+        )
+        .with(
+            ShipSystem::default().pausable(CurrentState::Level),
             "ship_system",
             &["input_system"],
         )
@@ -93,7 +101,7 @@ fn main() -> amethyst::Result<()> {
             &[],
         )
         .with(
-            BulletSystem.pausable(CurrentState::Level),
+            BulletSystem::default().pausable(CurrentState::Level),
             "bullet_system",
             &[],
         ).with(

assets/audio/fire.ogg

@@ -10,6 +10,7 @@ use crate::entities::ship::Ship;
 use amethyst::input::{is_key_down, VirtualKeyCode};
 use crate::states::CurrentState;
 use crate::states::next_level::NextLevelState;
+use crate::utils::sound::{initialise_audio};
 
 pub struct MainMenuState;
 
@@ -34,7 +35,7 @@ impl SimpleState for MainMenuState {
         add_push_enter_text(world);
 
         initialize_camera(world);
-
+        initialise_audio(world);
     }
 
     fn handle_event(

assets/audio/hit.ogg

@@ -1,4 +1,4 @@
-use amethyst::core::ecs::{System, WriteStorage, Write, ReadStorage, Read, Join};
+use amethyst::core::ecs::{System, WriteStorage, Write, ReadStorage, Read, Join, ReadExpect};
 use crate::entities::bonus::{Bonus, BonusKind};
 use amethyst::core::{Transform, Time};
 use crate::resources::main_resource::MainResource;
@@ -7,6 +7,10 @@ use crate::utils::sprites::sprite_to_entities::init_bonus_collider;
 use crate::entities::collision::are_colliding;
 use amethyst::renderer::SpriteRender;
 use crate::utils::sprites::plasma_doors::EMPTY;
+use amethyst::assets::AssetStorage;
+use crate::utils::sound::{Sounds, play_bonus};
+use amethyst::audio::output::Output;
+use amethyst::audio::Source;
 
 const DEFAULT_CHANGE_DIRECTION_TIMER :f32 = 0.6;
 
@@ -32,9 +36,12 @@ impl<'s> System<'s> for BonusSystem {
         ReadStorage<'s, ShipParent>,
         WriteStorage<'s, SpriteRender>,
         Read<'s, Time>,
+        Read<'s, AssetStorage<Source>>,
+        ReadExpect<'s, Sounds>,
+        Option<Read<'s, Output>>,
     );
 
-    fn run(&mut self, (mut bonuses, mut transforms, mut main_resource, ships, mut sprites, time): Self::SystemData) {
+    fn run(&mut self, (mut bonuses, mut transforms, mut main_resource, ships, mut sprites, time, storage, sounds, audio_output): Self::SystemData) {
         self.change_direction_timer -= time.delta_seconds();
         if self.change_direction_timer <= 0. {
             self.change_direction_timer = DEFAULT_CHANGE_DIRECTION_TIMER;
@@ -60,6 +67,7 @@ impl<'s> System<'s> for BonusSystem {
                         main_resource.bonus_heal();
                     }
                 }
+                play_bonus(&*sounds, &storage, audio_output.as_deref());
                 bonus.taken = true;
                 sprite.sprite_number= EMPTY;
             }

assets/audio/land.ogg

@@ -1,4 +1,4 @@
-use amethyst::core::ecs::{System, ReadStorage, WriteStorage, Join, Read, Entities, Write};
+use amethyst::core::ecs::{System, ReadStorage, WriteStorage, Join, Read, Entities, Write, ReadExpect};
 use crate::entities::canons::{Bullet, Canon, CanonKind, canon_kind_to_bullet_speed, canon_kind_to_bullet_life_duration};
 use amethyst::core::{Transform, Time};
 use crate::utils::Direction;
@@ -8,8 +8,24 @@ use crate::utils::sprites::sprite_to_entities::init_bullet_collider;
 use crate::resources::main_resource::MainResource;
 use crate::entities::ship::ShipParent;
 use amethyst::core::math::Vector3;
+use amethyst::assets::AssetStorage;
+use amethyst::audio::Source;
+use crate::utils::sound::{Sounds, play_air, play_hit};
+use amethyst::audio::output::Output;
 
-pub struct BulletSystem;
+const DEFAULT_AIR_TIMER:f32= 0.2;
+
+pub struct BulletSystem{
+    pub play_air_timer: f32
+}
+
+impl Default for BulletSystem{
+    fn default() -> Self {
+        BulletSystem{
+            play_air_timer: DEFAULT_AIR_TIMER
+        }
+    }
+}
 
 impl<'s> System<'s> for BulletSystem {
     type SystemData = (
@@ -20,9 +36,14 @@ impl<'s> System<'s> for BulletSystem {
         ReadStorage<'s, ShipParent>,
         Write<'s, MainResource>,
         Read<'s, Time>,
-        Entities<'s>,);
+        Entities<'s>,
+        Read<'s, AssetStorage<Source>>,
+        ReadExpect<'s, Sounds>,
+        Option<Read<'s, Output>>,
+    );
 
-    fn run(&mut self, (mut bullets, canons, mut transforms, colliders, ships,mut main_resource, time, entities): Self::SystemData) {
+    fn run(&mut self, (mut bullets, canons, mut transforms, colliders, ships,mut main_resource, time, entities, storage, sounds, audio_output): Self::SystemData) {
+        self.play_air_timer -= time.delta_seconds();
         let mut ship_polygon = Vec::new();
         for (_ship, transform) in (&ships, &transforms).join() {
             ship_polygon = main_resource.get_colliders_polygons_for_collision(transform.translation().x, transform.translation().y);
@@ -37,6 +58,10 @@ impl<'s> System<'s> for BulletSystem {
             if are_colliding(colliders.polygons(), &ship_polygon) {
                 match bullet.kind {
                     CanonKind::Air => {
+                        if self.play_air_timer <= 0. {
+                            play_air(&*sounds, &storage, audio_output.as_deref());
+                            self.play_air_timer = DEFAULT_AIR_TIMER;
+                        }
                         match bullet.direction {
                             Direction::Left => {main_resource.x_force -= 3. * time.delta_seconds();},
                             Direction::Right => {main_resource.x_force += 3. * time.delta_seconds();},
@@ -45,6 +70,7 @@ impl<'s> System<'s> for BulletSystem {
 
                     },
                     _=> {
+                        play_hit(&*sounds, &storage, audio_output.as_deref());
                         main_resource.bullet_hit();
 
                         let _res = entities.delete(entity);

assets/audio/menu_music.ogg

@@ -1,10 +1,14 @@
-use amethyst::core::ecs::{System, ReadStorage, Write, Join};
+use amethyst::core::ecs::{System, ReadStorage, Write, Join, Read, ReadExpect};
 use crate::entities::collision::{Colliders, LandingPlatform, are_colliding};
 use crate::entities::ship::ShipParent;
 use amethyst::core::Transform;
 use crate::resources::main_resource::MainResource;
 use crate::systems::ship_systems::ANGLE_ROTATION_DEGREE_MODIFIER;
 use crate::utils::sprites::TILE_SIZE;
+use amethyst::assets::AssetStorage;
+use amethyst::audio::Source;
+use crate::utils::sound::{Sounds, play_land};
+use amethyst::audio::output::Output;
 
 pub struct LandingSystem;
 
@@ -14,17 +18,21 @@ impl <'s> System<'s> for LandingSystem {
         ReadStorage<'s, LandingPlatform>,
         ReadStorage<'s, ShipParent>,
         ReadStorage<'s, Transform>,
-        Write<'s, MainResource>
+        Write<'s, MainResource>,
+        Read<'s, AssetStorage<Source>>,
+        ReadExpect<'s, Sounds>,
+        Option<Read<'s, Output>>,
     );
 
-    fn run(&mut self, (colliders, landing_plateforms, ships, transforms, mut ship_resource): Self::SystemData) {
+    fn run(&mut self, (colliders, landing_plateforms, ships, transforms, mut ship_resource, storage, sounds, audio_output): Self::SystemData) {
         for (_ship, transform) in (&ships, &transforms).join() {
             let ship_polygon = ship_resource.get_colliders_polygons_for_landing(transform.translation().x, transform.translation().y);
             for (collider, _) in (&colliders, &landing_plateforms).join() {
 
                 let struct_polygons = collider.polygons();
                 if !ship_resource.is_exploding && !ship_resource.is_landed && are_colliding(&ship_polygon, struct_polygons) {
                     if correct_landing_position(&ship_resource, transform, collider) {
+                        play_land(&*sounds, &storage, audio_output.as_deref());
                         ship_resource.is_landed = true;
                         ship_resource.y_force = 0.;
                         ship_resource.x_force = 0.;

assets/levels/level_1.json

@@ -1,15 +1,30 @@
-use amethyst::core::ecs::{System, WriteStorage, ReadStorage, Read, Join, Write, Entities};
+use amethyst::core::ecs::{System, WriteStorage, ReadStorage, Read, Join, Write, Entities, ReadExpect};
 use amethyst::core::{Transform, Time};
 use crate::entities::ship::{Ship, ShipParent};
 use amethyst::input::{InputHandler, StringBindings};
 use amethyst::renderer::{SpriteRender, SpriteSheet};
 use crate::resources::main_resource::MainResource;
 use amethyst::core::num::FloatConst;
 use crate::entities::explosion::Explosion;
-use amethyst::assets::Handle;
+use amethyst::assets::{Handle, AssetStorage};
 use crate::utils::sprites::TILE_SIZE;
+use crate::utils::sound::{play_explosion, Sounds, play_fire};
+use amethyst::audio::Source;
+use amethyst::audio::output::Output;
 
-pub struct ShipSystem;
+const DEFAULT_FIRE_TIMER:f32= 0.2;
+
+pub struct ShipSystem{
+    pub play_fire_timer: f32
+}
+
+impl Default for ShipSystem{
+    fn default() -> Self {
+        ShipSystem{
+            play_fire_timer: DEFAULT_FIRE_TIMER
+        }
+    }
+}
 
 fn angle_rotation_modifier_bind_to_pi() -> f32 { f32::PI() / 96. }
 
@@ -27,9 +42,13 @@ impl<'s> System<'s> for ShipSystem {
         Read<'s, Time>,
         WriteStorage<'s, Explosion>,
         Entities<'s>,
+        Read<'s, AssetStorage<Source>>,
+        ReadExpect<'s, Sounds>,
+        Option<Read<'s, Output>>,
     );
 
-    fn run(&mut self, (mut transforms, ships, ships_parent, input, mut sprites, mut main_resource, time,mut explosions,  entities): Self::SystemData) {
+    fn run(&mut self, (mut transforms, ships, ships_parent, input, mut sprites, mut main_resource, time,mut explosions,  entities, storage, sounds, audio_output): Self::SystemData) {
+        self.play_fire_timer -= time.delta_seconds();
         if main_resource.bullet_hit_timer > 0. {
             main_resource.bullet_hit_timer -= time.delta_seconds();
         }
@@ -39,6 +58,10 @@ impl<'s> System<'s> for ShipSystem {
             sprite_render.sprite_number = main_resource.sprite_nb();
             let power = input.action_is_down("power");
             if main_resource.ship_fuel > 0. && power.is_some() && power.unwrap()  {
+                if self.play_fire_timer <= 0. {
+                    play_fire(&*sounds, &storage, audio_output.as_deref());
+                    self.play_fire_timer = DEFAULT_FIRE_TIMER;
+                }
                 main_resource.power(time.delta_seconds(), transform.rotation());
             } else {
                 main_resource.apply_gravity(time.delta_seconds());
@@ -88,6 +111,7 @@ impl<'s> System<'s> for ShipSystem {
         }
 
         if main_resource.ship_life <= 0 {
+            play_explosion(&*sounds, &storage, audio_output.as_deref());
             main_resource.is_exploding = true;
             let mut explosion_transform = Transform::default();
             explosion_transform.set_translation_xyz(ship_transform.0, ship_transform.1, 0.9);

assets/levels/level_1.png

@@ -1,5 +1,6 @@
 pub mod sprites;
 pub mod level_reader;
+pub mod sound;
 
 #[derive(Debug)]
 pub struct Point2D {