Doesn't handle bends in vertical axis properly.

[ZackMercury]

If you put begin node straight against the stairs, and the end node on the platform, it does this (screenshot). It should be putting dots down the stairs and up the stairs.

[sandip-narwade]

It showing only path, but sphere will come on stairs

[ZackMercury]

It showing only path, but sphere will come on stairs

No, it goes by the path. Anyway, even if it would do that, the expected output of the algorithm is to have correct path between 2 points.

[nickjanssen]

Check out three-pathfinding, maybe it'll solve your issue.