diff --git a/game/addons/world_generator/ui/RectEditor.gd b/game/addons/world_generator/ui/RectEditor.gd
index d86112e3..302eeac2 100644
--- a/game/addons/world_generator/ui/RectEditor.gd
+++ b/game/addons/world_generator/ui/RectEditor.gd
@@ -1,6 +1,8 @@
 tool
 extends PanelContainer
 
+var last_edited_res : WorldGenBaseResource = null
+
 func _init():
 #	Control/EditorZoomWidget
 	pass
@@ -9,4 +11,15 @@ func set_plugin(plugin : EditorPlugin) -> void:
 	$ScrollContainer/MarginContainer/RectView.set_plugin(plugin)
 
 func set_edited_resource(res : WorldGenBaseResource):
+	if res && res != last_edited_res:
+		var r : Rect2 = res.get_rect()
+		
+		if r.size.x > 0:
+			var rsx : float = $ScrollContainer/MarginContainer.rect_size.x
+			var scale : float = rsx / r.size.x
+			
+			$Control/EditorZoomWidget.zoom = scale
+			
+		
+	
 	$ScrollContainer/MarginContainer/RectView.set_edited_resource(res)
diff --git a/game/addons/world_generator/ui/RectEditor.tscn b/game/addons/world_generator/ui/RectEditor.tscn
index ae622a30..9ff7bccf 100644
--- a/game/addons/world_generator/ui/RectEditor.tscn
+++ b/game/addons/world_generator/ui/RectEditor.tscn
@@ -8,9 +8,6 @@
 anchor_right = 1.0
 anchor_bottom = 1.0
 script = ExtResource( 1 )
-__meta__ = {
-"_edit_use_anchors_": false
-}
 
 [node name="ScrollContainer" type="ScrollContainer" parent="."]
 margin_left = 7.0
@@ -49,6 +46,3 @@ anchor_bottom = 0.0
 margin_right = 115.0
 margin_bottom = 22.0
 custom_constants/separation = -8
-__meta__ = {
-"_edit_use_anchors_": false
-}