3D grid navigation like minecraft ( I dont want to use Unity3d again , look please )

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

I tried to implement this 2d pathfinding to my 3d game :youtube video
Actually I asked here but want to post with unity example : previous post
I dont know what should I do and just want simple enemy pathfinding to player -.-

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In unity3d with simple cubes and just bake navigation

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My enemy pathfinding in godot engine
My enemy pathfinding

My 3d tile mesh , As you see white plane for navigation like 2d in video
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