Pathfinding on Tilemaps

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:bust_in_silhouette: Asked By Dlear
:warning: Old Version Published before Godot 3 was released.

Good day, comrades!
Please forgive me for my bad english but maybe somebody can help to solve my small (or big) trouble.
So, i create tilemap in Godot:

  1. I create new scene, add Node as parent, add sprites and attach NavPoly2D to each sprite. Then I create NavPoly and convert scene to Tileset .res
  2. In base scene i add Navigation2D Node and create TileMap to child, and it’s doesn’t work.
    I read https://forum.godotengine.org/1790/how-to-implement-pathfinding-with-a-tilemap?show=1790#q1790 and learn @batmanasb’s example, but my project doesn’t work, i found out pathfinding in my project worked only in one tile radius (start position my character) and if attach Tilemap.res from example all is workable done.
    Maybe I missed some details when create tilemap?