theme song

assets/main.assets.ron

@@ -3,6 +3,7 @@
     "flash_hold_4": File (path: "images/pixelart/Flashlight_hold_4.png"),
     "flash_hold_4_pressed": File (path: "images/pixelart/Flashlight_click_4.png"),
     "monster_footsteps": File (path: "audio/monster-footsteps.ogg"),
+    "theme": File (path: "audio/untitled.ogg"),
     "house": File (path: "meshes/House.glb"),
     "library": Folder (
         path: "meshes/library",

src/asset_loading/mod.rs

@@ -32,6 +32,8 @@ pub(crate) struct AudioAssets {
     pub(crate) flash_click: Handle<AudioSource>,
     #[asset(key = "monster_footsteps")]
     pub(crate) monster_footsteps: Handle<AudioSource>,
+    #[asset(key = "theme")]
+    pub(crate) theme_song: Handle<AudioSource>,
 }
 
 #[derive(AssetCollection, Resource, Clone)]

src/main.rs

@@ -1,5 +1,6 @@
-use asset_loading::ImageAssets;
-use bevy::prelude::*;
+use asset_loading::{AudioAssets, ImageAssets};
+use bevy::{prelude::*};
+use bevy_kira_audio::{Audio, AudioControl};
 use bevy_rapier3d::prelude::*;
 
 mod asset_loading;
@@ -33,6 +34,7 @@ fn main() {
             brightness: 80.0,
         })
         .add_systems(OnEnter(GameState::Playing), setup)
+        .add_systems(OnEnter(GameState::Menu), play_song)
         .run();
 }
 
@@ -77,3 +79,12 @@ fn setup(
     //     Transform::from_xyz(4.0, 8.0, 4.0),
     // ));
 }
+
+fn play_song(
+    audio_assets: Res<AudioAssets>,
+    audio: Res<Audio>,
+) {
+    audio.play(audio_assets.theme_song.clone())
+    .looped()
+    .with_volume(0.35);
+}

src/monster.rs

@@ -345,7 +345,7 @@ fn play_footstep_segment(
     // start_time += rand.random_range(0.0..5.0);
 
     audio.play(audio_assets.monster_footsteps.clone())
-        .with_volume(Volume::Amplitude(volume as f64))
+        .with_volume(volume as f64)
         .start_from((start_time as f64).min(27.0))
         .fade_in(AudioTween::linear(Duration::from_millis(100)))
         .handle();