Рефактор.

scenes/tilemap/tilemap.gd

@@ -2,6 +2,9 @@
 extends CanvasGroup
 class_name MercatorTileMap
 
+const VECTOR00: = Vector2(0, 0)
+const VECTOR11: = Vector2(1, 1)
+
 ## Отображение карт WEB Mercator
 
 #http://10.1.1.220/osm_tiles/0/0/0.png
@@ -88,7 +91,7 @@ var _marks: Dictionary = {}
 var _req_count: = 0
 var image: = Image.new()
 var image_load_proc: Callable
-var now: = 0
+var now: = 0.0
 var visible_marks_count: = 0
 var border1: ImageTexture
 var border2: ImageTexture
@@ -276,8 +279,8 @@ func set_zoom(zoom: float, pivot: Vector2) -> void:
 func _draw() -> void:
     # Рисование плиток
     var z: float = min(max_zoom_level, _xyz.z)
-    var t1: = screen_to_tile(Vector2(0, 0), z)
-    var t2: = screen_to_tile($canvas.size, z) + Vector2(1, 1)
+    var t1: = screen_to_tile(VECTOR00, z)
+    var t2: = screen_to_tile($canvas.size, z) + VECTOR11
     is_out_border1 = true
     is_out_border2 = true
     for tx in range(t1.x, t2.x):
@@ -363,7 +366,7 @@ func _process(delta) -> void:
             remove_child(req)
             req.queue_free()
             _req_count -= 1
-            push_error('запрос \"%s\" не отправлен' % tile.url)  #TODO: For Deugs
+            push_error('запрос \"%s\" не отправлен' % tile.url)
         if _queue.is_empty():
             emit_signal('load_completed')
 
@@ -630,7 +633,7 @@ class Tile:
     var x: int = 0
     var y: int = 0
     var z: int = 0
-    var t: int = 0
+    var t: float = 0.0
     var url: String = ''
     var texture: Texture2D = null