Using noise sampling for correlated randomized pitch in grunk collection sfx

assets/sfx/tools/collect5.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://cof6pg6yadsac"
+path="res://.godot/imported/collect5.wav-9560532de8bcb52b4f7fb8f0325d4125.sample"
+
+[deps]
+
+source_file="res://assets/sfx/tools/collect5.wav"
+dest_files=["res://.godot/imported/collect5.wav-9560532de8bcb52b4f7fb8f0325d4125.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

levels/mechanic_test/mechanic_test.tscn

@@ -118,7 +118,7 @@ seamless = true
 seamless_blend_skirt = 0.5
 noise = ExtResource("7_7cbja")
 
-[sub_resource type="ShaderMaterial" id="ShaderMaterial_aix42"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_qjnj2"]
 resource_local_to_scene = true
 render_priority = 0
 shader = ExtResource("6_6frcc")
@@ -306,7 +306,7 @@ unique_name_in_owner = true
 body = NodePath("..")
 mesh_instance = NodePath("../..")
 initial_mask = ExtResource("5_aix42")
-source_gunk_material = SubResource("ShaderMaterial_aix42")
+source_gunk_material = SubResource("ShaderMaterial_qjnj2")
 
 [node name="Bulkhead" parent="." instance=ExtResource("8_ujrcv")]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -6.5, 0, -2)

src/effects/grunk_splatter/grunk_splatter.tscn

@@ -164,7 +164,6 @@ collision_mode = 2
 
 [node name="GrunkSplatter" type="GPUParticles3D"]
 sorting_offset = 9.0
-emitting = false
 amount = 64
 lifetime = 0.3
 one_shot = true
@@ -176,7 +175,6 @@ script = ExtResource("2_grvat")
 [node name="SubSplatter" type="GPUParticles3D" parent="."]
 unique_name_in_owner = true
 sorting_offset = 9.0
-emitting = false
 amount = 4
 lifetime = 0.3
 one_shot = true
@@ -211,7 +209,6 @@ shape = SubResource("SphereShape3D_6adkd")
 [node name="GrunkDust" parent="." instance=ExtResource("7_opa8j")]
 unique_name_in_owner = true
 transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0)
-emitting = false
 amount = 512
 lifetime = 1.2
 one_shot = true

src/player/grunk_collection_sfx/grunk_collection_sfx.gd

@@ -0,0 +1,46 @@
+extends AudioStreamPlayer
+
+@export var interval := 200.0
+
+@export var max_delta := 2000.0
+
+@export var delay_mean := 0.7
+@export var delay_st_dev := 0.1
+
+@export var counter_decay := 40.0
+
+@export var pitch_variance := 0.15
+@export var noise_rate := 0.01
+@export var noise: Noise
+
+var _counter := 0.0
+
+@onready var cooldown: Timer = %Cooldown
+
+
+func _ready() -> void:
+	if World.instance and World.instance.manager:
+		World.instance.manager.grunk_collected.connect(on_grunk_collected)
+
+
+func on_grunk_collected(delta: float) -> void:
+	delta = min(delta, max_delta)
+	while delta > _counter:
+		delta -= _counter
+		_counter = interval
+		var delay := randfn(delay_mean, delay_st_dev)
+		get_tree().create_timer(delay).timeout.connect(play_random)
+	_counter -= delta
+
+
+func _process(delta: float) -> void:
+	_counter = move_toward(_counter, 0.0, counter_decay * delta)
+
+
+func play_random() -> void:
+	var noise_sample := clampf(
+		2 * noise.get_noise_1d(Engine.get_process_frames() * noise_rate), -1, 1
+	)
+	pitch_scale = 1.0 + (pitch_variance * noise_sample)
+	print_debug("noise: ", noise_sample)
+	play()

src/player/grunk_collection_sfx/grunk_collection_sfx.gd.uid

@@ -0,0 +1 @@
+uid://dwt66u7ua1to4

src/player/grunk_collection_sfx/grunk_collection_sfx.tscn

@@ -0,0 +1,20 @@
+[gd_scene load_steps=4 format=3 uid="uid://cbtmhu787diev"]
+
+[ext_resource type="AudioStream" uid="uid://cof6pg6yadsac" path="res://assets/sfx/tools/collect5.wav" id="1_y7it3"]
+[ext_resource type="Script" uid="uid://dwt66u7ua1to4" path="res://src/player/grunk_collection_sfx/grunk_collection_sfx.gd" id="5_ihwko"]
+
+[sub_resource type="FastNoiseLite" id="FastNoiseLite_y7it3"]
+
+[node name="GrunkCollectionSFX" type="AudioStreamPlayer"]
+stream = ExtResource("1_y7it3")
+volume_db = -6.0
+script = ExtResource("5_ihwko")
+noise_rate = 1.0
+noise = SubResource("FastNoiseLite_y7it3")
+
+[node name="Cooldown" type="Timer" parent="."]
+unique_name_in_owner = true
+wait_time = 0.12
+one_shot = true
+
+[connection signal="timeout" from="Cooldown" to="." method="trigger"]

src/player/player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=69 format=3 uid="uid://bwe2jdmvinhqd"]
+[gd_scene load_steps=70 format=3 uid="uid://bwe2jdmvinhqd"]
 
 [ext_resource type="Script" uid="uid://buwh0g1ga2aka" path="res://src/player/player.gd" id="1_npueo"]
 [ext_resource type="Script" uid="uid://cx1yt0drthpw3" path="res://src/player/camera_controller.gd" id="2_veeqv"]
@@ -39,6 +39,7 @@
 [ext_resource type="Script" uid="uid://b5loa2u6s5l5c" path="res://src/player/rigid_body_physics.gd" id="36_phdu6"]
 [ext_resource type="Script" uid="uid://dg55jdoyctdq6" path="res://src/game/tutorial/tutorial_timer.gd" id="38_evlgt"]
 [ext_resource type="AudioStream" uid="uid://c01y7jauf4spn" path="res://assets/sfx/tools/tool_switch_v0.wav" id="39_gsylq"]
+[ext_resource type="PackedScene" uid="uid://cbtmhu787diev" path="res://src/player/grunk_collection_sfx/grunk_collection_sfx.tscn" id="40_utg71"]
 
 [sub_resource type="Animation" id="Animation_x42xx"]
 length = 0.001
@@ -834,3 +835,5 @@ tutorial_key = &"game/tutorial/progress/move"
 unique_name_in_owner = true
 stream = ExtResource("39_gsylq")
 pitch_scale = 1.8
+
+[node name="GrunkCollectionSFX" parent="." instance=ExtResource("40_utg71")]