diff --git a/ressources/images/New Piskel (15).png b/ressources/images/New Piskel (15).png
new file mode 100644
index 0000000..67bf5e0
Binary files /dev/null and b/ressources/images/New Piskel (15).png differ
diff --git a/ressources/sons/tambour.mp3 b/ressources/sons/tambour.mp3
new file mode 100644
index 0000000..f6bbe90
Binary files /dev/null and b/ressources/sons/tambour.mp3 differ
diff --git a/ressources/sons/tambour.mp3.import b/ressources/sons/tambour.mp3.import
new file mode 100644
index 0000000..e4b2475
--- /dev/null
+++ b/ressources/sons/tambour.mp3.import
@@ -0,0 +1,19 @@
+[remap]
+
+importer="mp3"
+type="AudioStreamMP3"
+uid="uid://y631cuj1gxus"
+path="res://.godot/imported/tambour.mp3-674d8c190e28a91f37bfb684cfb61f18.mp3str"
+
+[deps]
+
+source_file="res://ressources/sons/tambour.mp3"
+dest_files=["res://.godot/imported/tambour.mp3-674d8c190e28a91f37bfb684cfb61f18.mp3str"]
+
+[params]
+
+loop=false
+loop_offset=0
+bpm=0
+beat_count=0
+bar_beats=4
diff --git a/scenes/Room.tscn b/scenes/Room.tscn
index 4f7d197..39c2dff 100644
--- a/scenes/Room.tscn
+++ b/scenes/Room.tscn
@@ -1,16 +1,35 @@
-[gd_scene load_steps=3 format=3 uid="uid://durhes43gex7a"]
+[gd_scene load_steps=7 format=3 uid="uid://durhes43gex7a"]
 
 [ext_resource type="PackedScene" uid="uid://c7bfiw54rvaq2" path="res://scenes/player_melodie.tscn" id="1_cl1wt"]
+[ext_resource type="Texture2D" uid="uid://ky4e7158gqf6" path="res://ressources/images/cgj_default_tile.svg" id="2_torsx"]
 
-[sub_resource type="RectangleShape2D" id="RectangleShape2D_18mp2"]
-size = Vector2(1280, 720)
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_1c4te"]
+normal = Vector2(0, 1)
+distance = -360.0
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_qq3vn"]
+distance = -360.0
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_e1nqi"]
+normal = Vector2(-1, 0)
+distance = -640.0
+
+[sub_resource type="WorldBoundaryShape2D" id="WorldBoundaryShape2D_ia1hi"]
+normal = Vector2(1, 0)
+distance = -640.0
 
 [node name="Room" type="Node2D"]
 
-[node name="Player_Melodie" parent="." instance=ExtResource("1_cl1wt")]
-position = Vector2(0, -9)
+[node name="TextureRect" type="TextureRect" parent="."]
+offset_left = -640.0
+offset_top = -360.0
+offset_right = 640.0
+offset_bottom = 360.0
+texture = ExtResource("2_torsx")
+stretch_mode = 1
 
-[node name="Camera2D" type="Camera2D" parent="."]
+[node name="Player_Melodie" parent="." instance=ExtResource("1_cl1wt")]
+scale = Vector2(4, 4)
 
 [node name="StaticBody2D" type="StaticBody2D" parent="."]
 
diff --git a/scenes/player_melodie.tscn b/scenes/player_melodie.tscn
index f869238..064f1dc 100644
--- a/scenes/player_melodie.tscn
+++ b/scenes/player_melodie.tscn
@@ -1,17 +1,17 @@
 [gd_scene load_steps=4 format=3 uid="uid://c7bfiw54rvaq2"]
 
 [ext_resource type="Script" path="res://scripts/player_control.gd" id="1_7sg4g"]
-[ext_resource type="Texture2D" uid="uid://b4viqupj5q0je" path="res://ressources/images/icon.svg" id="1_w50ia"]
+[ext_resource type="Texture2D" uid="uid://uebyv8y862vt" path="res://ressources/images/melodie.svg" id="2_se13h"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_uwwdc"]
-size = Vector2(32, 32)
+size = Vector2(16, 32)
 
 [node name="Player_Melodie" type="CharacterBody2D"]
 script = ExtResource("1_7sg4g")
 
 [node name="Sprite2D" type="Sprite2D" parent="."]
-scale = Vector2(0.25, 0.25)
-texture = ExtResource("1_w50ia")
+scale = Vector2(0.75, 0.75)
+texture = ExtResource("2_se13h")
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("RectangleShape2D_uwwdc")
diff --git a/scripts/player_control.gd b/scripts/player_control.gd
index c883ae7..8a7a012 100644
--- a/scripts/player_control.gd
+++ b/scripts/player_control.gd
@@ -25,7 +25,7 @@ func _process(delta: float) -> void:
 	if direction != Vector2.ZERO:
 		if direction.normalized() == previous_direction.normalized():
 			if direction.x != 0 and direction.y != 0:
-				boost_speed = min(boost_speed + acceleration / 8, (max_boost_speed - move_speed) / 8)
+				boost_speed = min(boost_speed + acceleration / 16, (max_boost_speed - move_speed) / 8)
 			else:
 				boost_speed = min(boost_speed + acceleration, max_boost_speed - move_speed)
 		else: