diff --git a/Main.tscn b/Main.tscn
index b932bc710..b4df5d9a8 100644
--- a/Main.tscn
+++ b/Main.tscn
@@ -904,6 +904,7 @@ margin_right = 224.0
 margin_bottom = 530.0
 
 [node name="TabContainer" type="TabContainer" parent="MenuAndUI/UI/LayerPanel/LayersAndMisc"]
+editor/display_folded = true
 margin_top = 533.0
 margin_right = 224.0
 margin_bottom = 605.0
diff --git a/Scripts/Canvas.gd b/Scripts/Canvas.gd
index e62b75166..e73b03fdb 100644
--- a/Scripts/Canvas.gd
+++ b/Scripts/Canvas.gd
@@ -650,8 +650,8 @@ func point_in_rectangle(p : Vector2, coord1 : Vector2, coord2 : Vector2) -> bool
 	return p.x > coord1.x && p.y > coord1.y && p.x < coord2.x && p.y < coord2.y
 
 #Returns the position in the middle of a rectangle
-func rectangle_center(pos : Vector2, size : Vector2) -> Vector2:
-	return (pos - size / 2).floor()
+func rectangle_center(rect_position : Vector2, rect_size : Vector2) -> Vector2:
+	return (rect_position - rect_size / 2).floor()
 
 func _on_Timer_timeout() -> void:
 	Global.can_draw = true
diff --git a/Scripts/FrameButton.gd b/Scripts/FrameButton.gd
index 709b409f2..2d17bc3b5 100644
--- a/Scripts/FrameButton.gd
+++ b/Scripts/FrameButton.gd
@@ -119,4 +119,4 @@ func change_frame_order(rate : int) -> void:
 
 	Global.undo_redo.add_undo_method(Global, "undo", [Global.canvases[frame]])
 	Global.undo_redo.add_do_method(Global, "redo", [Global.canvases[frame]])
-	Global.undo_redo.commit_action()
\ No newline at end of file
+	Global.undo_redo.commit_action()
diff --git a/Scripts/HorizontalRuler.gd b/Scripts/HorizontalRuler.gd
index 4aa4ec2ca..d7b9f0ef1 100644
--- a/Scripts/HorizontalRuler.gd
+++ b/Scripts/HorizontalRuler.gd
@@ -52,4 +52,4 @@ func _draw() -> void:
 			if i % minor_subdivision == 0:
 				draw_line(Vector2(position.x + RULER_WIDTH, RULER_WIDTH * 0.33), Vector2(position.x + RULER_WIDTH, RULER_WIDTH), Color.white)
 			else:
-				draw_line(Vector2(position.x + RULER_WIDTH, RULER_WIDTH * 0.66), Vector2(position.x + RULER_WIDTH, RULER_WIDTH), Color.white)
\ No newline at end of file
+				draw_line(Vector2(position.x + RULER_WIDTH, RULER_WIDTH * 0.66), Vector2(position.x + RULER_WIDTH, RULER_WIDTH), Color.white)
diff --git a/Scripts/LayerContainer.gd b/Scripts/LayerContainer.gd
index 0f2b65f68..c8e1f43e2 100644
--- a/Scripts/LayerContainer.gd
+++ b/Scripts/LayerContainer.gd
@@ -65,4 +65,4 @@ func _on_VisibilityButton_pressed() -> void:
 
 func _on_LineEdit_text_changed(new_text : String) -> void:
 	Global.canvas.layers[i][2] = new_text
-	$HBoxContainer/Label.text = new_text
\ No newline at end of file
+	$HBoxContainer/Label.text = new_text
diff --git a/Scripts/VerticalRuler.gd b/Scripts/VerticalRuler.gd
index cc2f5b60b..29e246aea 100644
--- a/Scripts/VerticalRuler.gd
+++ b/Scripts/VerticalRuler.gd
@@ -52,4 +52,4 @@ func _draw() -> void:
 			if i % minor_subdivision == 0:
 				draw_line(Vector2(RULER_WIDTH * 0.33, position.y), Vector2(RULER_WIDTH, position.y), Color.white)
 			else:
-				draw_line(Vector2(RULER_WIDTH * 0.66, position.y), Vector2(RULER_WIDTH, position.y), Color.white)
\ No newline at end of file
+				draw_line(Vector2(RULER_WIDTH * 0.66, position.y), Vector2(RULER_WIDTH, position.y), Color.white)