police siren and engine sfx

default_bus_layout.tres

@@ -0,0 +1,15 @@
+[gd_resource type="AudioBusLayout" format=3 uid="uid://bnw08msjouhf6"]
+
+[sub_resource type="AudioEffectLimiter" id="AudioEffectLimiter_j3pel"]
+resource_name = "Limiter"
+ceiling_db = -14.3
+
+[resource]
+bus/1/name = &"Police Siren"
+bus/1/solo = false
+bus/1/mute = false
+bus/1/bypass_fx = false
+bus/1/volume_db = 0.0
+bus/1/send = &"Master"
+bus/1/effect/0/effect = SubResource("AudioEffectLimiter_j3pel")
+bus/1/effect/0/enabled = true

enemies/base_enemy.tscn

@@ -1,6 +1,7 @@
 [gd_scene format=3 uid="uid://oyqyvj5xo5mf"]
 
 [ext_resource type="Script" uid="uid://c6xr2j0g1ep7j" path="res://enemies/enemy.gd" id="1_j7qyq"]
+[ext_resource type="AudioStream" uid="uid://q8b6o255ofgb" path="res://sfx/police-siren_90bpm_A#_major.wav" id="2_bfj6p"]
 
 [sub_resource type="Curve" id="Curve_spw8y"]
 _limits = [1.0, 20.0, -1.0, 1.0]
@@ -20,4 +21,11 @@ unique_name_in_owner = true
 collision_layer = 0
 collision_mask = 2
 
+[node name="Siren" type="AudioStreamPlayer3D" parent="." unique_id=2085366724]
+unique_name_in_owner = true
+stream = ExtResource("2_bfj6p")
+autoplay = true
+max_distance = 50.0
+bus = &"Police Siren"
+
 [connection signal="body_entered" from="Hurtbox" to="." method="_on_hurtbox_body_entered"]

enemies/enemy.gd

@@ -56,13 +56,31 @@ func _process(delta: float) -> void:
 
 	move_and_slide()
 
+func kill() -> void:
+	queue_free()
+
+	var siren: AudioStreamPlayer3D = %Siren
+	siren.reparent(get_tree().current_scene)
+	var t := siren.create_tween()
+
+	if randf() < .25:
+		t.tween_property(siren, "pitch_scale", .25, .5)
+		t.tween_property(siren, "pitch_scale", .35, .25)
+		t.tween_property(siren, "pitch_scale", .0, .25)
+	else:
+		t.tween_property(siren, "pitch_scale", .0, .5)
+
+	t.finished.connect(siren.queue_free)
+
+	SignalBus.enemy_destroyed.emit()
+
 
 func hit(proj: Node3D, damage: float) -> bool:
 	if invulnerable: return true
 	health -= damage
 	if health <= 0:
-		queue_free()
-		SignalBus.enemy_destroyed.emit()
+		kill()
+
 	else:
 		if proj is PlayerProjectile:
 			knockback = proj.velocity * 2. * knockback_mul * proj.knockback_mul

enemies/police_car/weak_point.gd

@@ -26,7 +26,7 @@ func hit(proj: Node3D, _damage: float) -> bool:
 		label_vfx.position = parent.position
 		parent.add_sibling(label_vfx)
 
-		parent.queue_free()
+		parent.kill()
 
 		SignalBus.perfect_shot_hit.emit()
 

levels/timescale_node.gd

@@ -3,6 +3,7 @@ extends Node
 @export var time_scale := 1.:
 	set(v):
 		Engine.time_scale = v
+		AudioServer.playback_speed_scale = v
 
 func _ready() -> void:
 	time_scale = time_scale

player/player.gd

@@ -58,6 +58,9 @@ func _init() -> void:
 func _ready() -> void:
 	health = health 
 
+	await get_tree().process_frame
+	Level.level.level_started.connect(func(): %EngineSFX.play())
+
 func _process_stamina(delta: float) -> void:
 	stamina = move_toward(stamina, 1., delta * 0.2)
 	%StaminaBar.value = stamina
@@ -133,6 +136,10 @@ func _process_cam_shake(delta: float) -> void:
 	
 	%Camera3D.position += v * 1.5
 
+func _process_engine_sfx() -> void:
+	var speed := velocity.length()
+	%EngineSFX.pitch_scale = clampf(remap(speed, 0, MOVE_SPEED, 1., 1.25), 1., 1.5)
+
 func _process(delta: float) -> void:
 	if not Level.is_active(): return
 	match state:
@@ -146,6 +153,7 @@ func _process(delta: float) -> void:
 	_process_shoot(delta)
 	_process_cam_shake(delta)
 	_process_stamina(delta)
+	_process_engine_sfx()
 
 	damage_clock -= delta
 
@@ -174,9 +182,10 @@ func _process(delta: float) -> void:
 func damage(damager: Node3D) -> void:
 	if health <= 0: return
 	if state == State.DASHING:
-		damager.queue_free()
+		damager.kill()
 	else:
 		if damage_clock <= 0.:
+			%CrashSFX.play()
 			health -= 1
 			damage_clock = 3
 			shake_duration = .25

player/player.tscn

@@ -12,6 +12,9 @@
 [ext_resource type="Shader" uid="uid://cf3h3knluytmm" path="res://player/hp_outline.gdshader" id="8_rgyib"]
 [ext_resource type="Script" uid="uid://ban0rphntn10r" path="res://player/stamina_bar.gd" id="9_hg6s5"]
 [ext_resource type="PackedScene" uid="uid://54f44t3gniw2" path="res://models/vehicles/tank.glb" id="10_8t03j"]
+[ext_resource type="AudioStream" uid="uid://bdsy6ok06lerf" path="res://sfx/u_mgq59j5ayf-sound-effect-car-crash-394903.mp3" id="13_yllr7"]
+[ext_resource type="AudioStream" uid="uid://p3uawesg4xq1" path="res://sfx/pwlpl-car_crash-377291.wav" id="14_kb6p2"]
+[ext_resource type="AudioStream" uid="uid://42ntqiyti72f" path="res://sfx/engine.ogg" id="15_wodsf"]
 
 [sub_resource type="FastNoiseLite" id="FastNoiseLite_onrkg"]
 
@@ -58,6 +61,14 @@ height = 256
 fill = 1
 fill_from = Vector2(0.5, 0.5)
 
+[sub_resource type="AudioStreamRandomizer" id="AudioStreamRandomizer_kb6p2"]
+playback_mode = 1
+random_pitch = 1.0293022
+random_volume_offset_db = 3.0
+streams_count = 2
+stream_0/stream = ExtResource("13_yllr7")
+stream_1/stream = ExtResource("14_kb6p2")
+
 [node name="Player" type="CharacterBody3D" unique_id=1904432250 node_paths=PackedStringArray("cannon", "guns")]
 collision_layer = 2
 collision_mask = 13
@@ -312,4 +323,17 @@ cull_mask = 1
 unique_name_in_owner = true
 transform = Transform3D(-0.6377325, 0, -5.5752345e-08, 0, 0.6377325, 0, 5.5752345e-08, 0, -0.6377325, 0, 0.75759906, 0)
 
+[node name="AudioListener3D" type="AudioListener3D" parent="." unique_id=1114579283]
+current = true
+
+[node name="CrashSFX" type="AudioStreamPlayer" parent="." unique_id=1313499323]
+unique_name_in_owner = true
+stream = SubResource("AudioStreamRandomizer_kb6p2")
+volume_db = 4.0
+
+[node name="EngineSFX" type="AudioStreamPlayer" parent="." unique_id=668897298]
+unique_name_in_owner = true
+stream = ExtResource("15_wodsf")
+volume_db = -6.0
+
 [editable path="Tank"]

sfx/engine.ogg.import

@@ -0,0 +1,19 @@
+[remap]
+
+importer="oggvorbisstr"
+type="AudioStreamOggVorbis"
+uid="uid://42ntqiyti72f"
+path="res://.godot/imported/engine.ogg-4b2c0f0147799d259b4af1198db9c53f.oggvorbisstr"
+
+[deps]
+
+source_file="res://sfx/engine.ogg"
+dest_files=["res://.godot/imported/engine.ogg-4b2c0f0147799d259b4af1198db9c53f.oggvorbisstr"]
+
+[params]
+
+loop=true
+loop_offset=0.0
+bpm=0.0
+beat_count=0
+bar_beats=4

sfx/police-siren_90bpm_A#_major.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://q8b6o255ofgb"
+path="res://.godot/imported/police-siren_90bpm_A#_major.wav-16a1b1744e67af3b6e79359a80f5fd5b.sample"
+
+[deps]
+
+source_file="res://sfx/police-siren_90bpm_A#_major.wav"
+dest_files=["res://.godot/imported/police-siren_90bpm_A#_major.wav-16a1b1744e67af3b6e79359a80f5fd5b.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2

sfx/pwlpl-car_crash-377291.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://p3uawesg4xq1"
+path="res://.godot/imported/pwlpl-car_crash-377291.wav-07d6e8bdfcada1cecb6932166a9e4a13.sample"
+
+[deps]
+
+source_file="res://sfx/pwlpl-car_crash-377291.wav"
+dest_files=["res://.godot/imported/pwlpl-car_crash-377291.wav-07d6e8bdfcada1cecb6932166a9e4a13.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=2

sfx/u_mgq59j5ayf-sound-effect-car-crash-394903.mp3.import

@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://bdsy6ok06lerf"
+path="res://.godot/imported/u_mgq59j5ayf-sound-effect-car-crash-394903.mp3-65b24366527ead86fccd7729d4ee70ee.mp3str"
+
+[deps]
+
+source_file="res://sfx/u_mgq59j5ayf-sound-effect-car-crash-394903.mp3"
+dest_files=["res://.godot/imported/u_mgq59j5ayf-sound-effect-car-crash-394903.mp3-65b24366527ead86fccd7729d4ee70ee.mp3str"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4