diff --git a/behaviours/sprite_left_right.gd b/behaviours/sprite_left_right.gd
index d0fd4d1..74287ca 100644
--- a/behaviours/sprite_left_right.gd
+++ b/behaviours/sprite_left_right.gd
@@ -9,5 +9,5 @@ class_name SpriteLeftRight
 func handle_move(movement: Vector2):
 	if movement.x > 0:
 		texture = right_texture
-	else:
+	elif movement.x < 0:
 		texture = left_texture
diff --git a/main.tscn b/main.tscn
index 3dca6bc..3b50102 100644
--- a/main.tscn
+++ b/main.tscn
@@ -1,8 +1,8 @@
 [gd_scene load_steps=4 format=3 uid="uid://b38wkla8e7rmo"]
 
 [ext_resource type="Script" path="res://main.gd" id="1_jyg3q"]
-[ext_resource type="Material" uid="uid://dpumcyplql08q" path="res://postprocess.material" id="2_3o1ux"]
 [ext_resource type="PackedScene" uid="uid://bkm7id1wdwywg" path="res://scenes/menu/safe_margin_container.tscn" id="2_ah6n8"]
+[ext_resource type="PackedScene" uid="uid://dyodbq3yrbi87" path="res://postprocessing/postprocessing_rect.tscn" id="2_shp84"]
 
 [node name="Main" type="Node"]
 script = ExtResource("1_jyg3q")
@@ -10,15 +10,7 @@ starting_stage = 3
 
 [node name="PostprocessingCanvas" type="CanvasLayer" parent="."]
 
-[node name="ColorRect" type="ColorRect" parent="PostprocessingCanvas"]
-texture_filter = 1
-material = ExtResource("2_3o1ux")
-anchors_preset = 15
-anchor_right = 1.0
-anchor_bottom = 1.0
-grow_horizontal = 2
-grow_vertical = 2
-color = Color(0, 0, 0, 1)
+[node name="PostprocessingRect" parent="PostprocessingCanvas" instance=ExtResource("2_shp84")]
 
 [node name="InterfaceCanvas" type="CanvasLayer" parent="."]
 
diff --git a/postprocess.material b/postprocess.material
deleted file mode 100644
index 2be6893..0000000
Binary files a/postprocess.material and /dev/null differ
diff --git a/postprocess.gdshader b/postprocessing/postprocess.gdshader
similarity index 100%
rename from postprocess.gdshader
rename to postprocessing/postprocess.gdshader
diff --git a/postprocessing/postprocess.material b/postprocessing/postprocess.material
new file mode 100644
index 0000000..fe470e7
Binary files /dev/null and b/postprocessing/postprocess.material differ
diff --git a/postprocessing/postprocessing_rect.gd b/postprocessing/postprocessing_rect.gd
new file mode 100644
index 0000000..df18b94
--- /dev/null
+++ b/postprocessing/postprocessing_rect.gd
@@ -0,0 +1,8 @@
+extends ColorRect
+class_name PostprocessingRect
+
+
+func _input(event: InputEvent) -> void:
+	if event is InputEventKey:
+		if event.is_action_pressed(&"postprocessing_toggle"):
+			visible = !visible
\ No newline at end of file
diff --git a/postprocessing/postprocessing_rect.tscn b/postprocessing/postprocessing_rect.tscn
new file mode 100644
index 0000000..5b348d6
--- /dev/null
+++ b/postprocessing/postprocessing_rect.tscn
@@ -0,0 +1,15 @@
+[gd_scene load_steps=3 format=3 uid="uid://dyodbq3yrbi87"]
+
+[ext_resource type="Material" uid="uid://dpumcyplql08q" path="res://postprocessing/postprocess.material" id="1_sswlf"]
+[ext_resource type="Script" path="res://postprocessing/postprocessing_rect.gd" id="2_om0qv"]
+
+[node name="PostprocessingRect" type="ColorRect"]
+texture_filter = 1
+material = ExtResource("1_sswlf")
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+color = Color(0, 0, 0, 1)
+script = ExtResource("2_om0qv")
diff --git a/project.godot b/project.godot
index d3ccf2e..316224c 100644
--- a/project.godot
+++ b/project.godot
@@ -33,6 +33,11 @@ main_menu={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":4194317,"physical_keycode":0,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }
+postprocessing_toggle={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194311,"key_label":0,"unicode":0,"echo":false,"script":null)
+]
+}
 
 [layer_names]
 
diff --git a/temp/demon_dying.wav b/temp/demon_dying.wav
index 11740af..46d3be8 100644
Binary files a/temp/demon_dying.wav and b/temp/demon_dying.wav differ
diff --git a/temp/demon_dying.wav.import b/temp/demon_dying.wav.import
new file mode 100644
index 0000000..8a2ee9d
--- /dev/null
+++ b/temp/demon_dying.wav.import
@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://ca7div60m5v6v"
+path="res://.godot/imported/demon_dying.wav-f781d9d5c9ca2f286e7dbcaad0cf6ece.sample"
+
+[deps]
+
+source_file="res://temp/demon_dying.wav"
+dest_files=["res://.godot/imported/demon_dying.wav-f781d9d5c9ca2f286e7dbcaad0cf6ece.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=0
diff --git a/temp/monster_bite.wav b/temp/monster_bite.wav
index 8db3e40..d5499a4 100644
Binary files a/temp/monster_bite.wav and b/temp/monster_bite.wav differ
diff --git a/temp/monster_bite.wav.import b/temp/monster_bite.wav.import
new file mode 100644
index 0000000..a092928
--- /dev/null
+++ b/temp/monster_bite.wav.import
@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://c770xsgaupkqp"
+path="res://.godot/imported/monster_bite.wav-998daf3973ea57342de9f661bcc37e94.sample"
+
+[deps]
+
+source_file="res://temp/monster_bite.wav"
+dest_files=["res://.godot/imported/monster_bite.wav-998daf3973ea57342de9f661bcc37e94.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=0
diff --git a/temp/tank.wav b/temp/tank.wav
index aabe973..47e30a0 100644
Binary files a/temp/tank.wav and b/temp/tank.wav differ
diff --git a/temp/tank.wav.import b/temp/tank.wav.import
new file mode 100644
index 0000000..824282a
--- /dev/null
+++ b/temp/tank.wav.import
@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://d0feiq5s6fnux"
+path="res://.godot/imported/tank.wav-76da0daecf3b365c21fcd97289993799.sample"
+
+[deps]
+
+source_file="res://temp/tank.wav"
+dest_files=["res://.godot/imported/tank.wav-76da0daecf3b365c21fcd97289993799.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=0