diff --git a/core/audio/spatial_audio_player.gd b/core/audio/spatial_audio_player.gd
index 8866b8d..874229d 100644
--- a/core/audio/spatial_audio_player.gd
+++ b/core/audio/spatial_audio_player.gd
@@ -3,6 +3,9 @@ extends AudioStreamPlayer2D
 
 # EXPORTED VARS
 
+# detect every nth tick
+@export var detect_mod: int = 4
+
 @export_category("dampening effect")
 @export var n_pointcasts_to_player: int = 25
 @export var lowpass_cutoff_mult: float = 1000
@@ -159,8 +162,12 @@ func _ready() -> void:
 	create_audio_bus_effects()
 	create_raycasts()
 
-func _physics_process(_delta: float) -> void:
-	var reverb_params = determine_reverb_params()
-	var blocked_amount = determine_distance_amount_blocked()
-	update_reverb(reverb_params[0], reverb_params[1])
-	update_dampening(blocked_amount)
+var tick: int = 0
+
+func _physics_process(delta: float) -> void:
+	if tick == 0:
+		var reverb_params = determine_reverb_params()
+		var blocked_amount = determine_distance_amount_blocked()
+		update_reverb(reverb_params[0], reverb_params[1])
+		update_dampening(blocked_amount)
+	tick = (tick + 1) % detect_mod
diff --git a/core/polygon/polygon.tscn b/core/polygon/polygon.tscn
index d01185f..8049033 100644
--- a/core/polygon/polygon.tscn
+++ b/core/polygon/polygon.tscn
@@ -2,7 +2,7 @@
 
 [ext_resource type="Script" path="res://core/polygon/polygon.gd" id="1_ga37f"]
 
-[sub_resource type="OccluderPolygon2D" id="OccluderPolygon2D_cjgtr"]
+[sub_resource type="OccluderPolygon2D" id="OccluderPolygon2D_2cqf3"]
 
 [node name="Polygon" type="CollisionPolygon2D"]
 script = ExtResource("1_ga37f")
@@ -11,4 +11,4 @@ script = ExtResource("1_ga37f")
 
 [node name="LightOccluder2D" type="LightOccluder2D" parent="."]
 editor_description = "For particle collisions"
-occluder = SubResource("OccluderPolygon2D_cjgtr")
+occluder = SubResource("OccluderPolygon2D_2cqf3")
diff --git a/levels/intro.tscn b/levels/intro.tscn
index e9c5215..41e6f55 100644
--- a/levels/intro.tscn
+++ b/levels/intro.tscn
@@ -1,10 +1,43 @@
-[gd_scene load_steps=5 format=3 uid="uid://c6w7lrydi43ts"]
+[gd_scene load_steps=9 format=3 uid="uid://c6w7lrydi43ts"]
 
 [ext_resource type="PackedScene" uid="uid://cbynoofsjcl45" path="res://core/polygon/polygon.tscn" id="1_cup10"]
 [ext_resource type="Script" path="res://levels/intro.gd" id="1_pgj82"]
 [ext_resource type="Script" path="res://core/audio/spatial_audio_player.gd" id="3_3eqhh"]
 [ext_resource type="AudioStream" uid="uid://cs6l2t3jtags8" path="res://assets/sounds/clock-tick-76039.mp3" id="3_6yss2"]
 
+[sub_resource type="Animation" id="Animation_h8pmj"]
+resource_name = "audio"
+length = 10.0
+loop_mode = 1
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("AnimationPlayer/Polygon2D:position")
+tracks/0/interp = 2
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 1.96667, 4.46667, 6.46667, 6.76667, 7.23333, 8.13333),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1, 1),
+"update": 0,
+"values": [Vector2(768, 328), Vector2(888, 178), Vector2(256, 208), Vector2(384, 328), Vector2(512, 336), Vector2(520, 408), Vector2(472, 408)]
+}
+
+[sub_resource type="Animation" id="Animation_i0i2l"]
+length = 0.001
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_ucyvg"]
+_data = {
+"RESET": SubResource("Animation_i0i2l"),
+"audio": SubResource("Animation_h8pmj")
+}
+
+[sub_resource type="GDScript" id="GDScript_e2u3o"]
+script/source = "extends AnimationPlayer
+
+func _ready() -> void:
+	self.play(\"audio\")
+"
+
 [node name="Intro" type="Node2D"]
 script = ExtResource("1_pgj82")
 
@@ -32,12 +65,22 @@ color = Color(1, 0.1, 0, 1)
 polygon = PackedVector2Array(416, 400, 416, 424, 440, 424, 440, 400)
 color = Color(0.484431, 0.687354, 1, 1)
 
-[node name="SpatialAudioStreamPlayer2D" type="AudioStreamPlayer2D" parent="."]
+[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
+libraries = {
+"": SubResource("AnimationLibrary_ucyvg")
+}
+script = SubResource("GDScript_e2u3o")
+
+[node name="Polygon2D" type="Polygon2D" parent="AnimationPlayer"]
 position = Vector2(768, 328)
+polygon = PackedVector2Array(0, -8, -8, 0, 0, 8, 8, 0)
+
+[node name="SpatialAudioStreamPlayer2D" type="AudioStreamPlayer2D" parent="AnimationPlayer/Polygon2D"]
 stream = ExtResource("3_6yss2")
-volume_db = 15.0
+volume_db = 5.0
 autoplay = true
 script = ExtResource("3_3eqhh")
+detect_mod = 2
 
 [connection signal="body_entered" from="Area2D" to="." method="_on_area_2d_body_entered"]
 [connection signal="body_entered" from="next_level" to="." method="_on_next_level_body_entered"]