Updated the scenes.editor.get() to set the root NodeSurface clear color to transparent

game/scenes/editor.py

         root.keep_aspect_ratio = True
         root.align_center = True
         root.set_surface((64, 64))
+        root.set_clear_color((0,0,0,0))
 
         gamemap = NodeGameMap("GameMap", root)
         gamemap.set_resources("", "walls.json")