AIPath NPCs float like an astronaut in air in standalone build (but stays and patrols on ground Play in Unity Editor)– Behavior Designer Movement Pack

[fables alive]

hi brothers and sisters,
wishing youall happy healthy years ^^

got a question. I did all combinations and couldnt resolve for last 2 months. and I sadly ended up here with that unresolved question.

(finally I will remove astarpath and will use unity's own Navmesh rather than astarpath)

AIPath NPCs float in air in standalone build (but stay on ground in Editor) – Behavior Designer Movement Pack
Using Behavior Designer Pro + Movement Pack (A* integration) in Unity 6000.0.3f1 LTS.
Setup:

Single AstarPath in scene
Each NPC: AIPath + Rigidbody (non-kinematic, Use Gravity enabled, no Freeze Position constraints) + Box Collider
Patrol task from Movement Pack

In Unity Editor: NPCs stay perfectly on the ground and patrol correctly.
In standalone Windows build: NPCs float in the air (hover above ground) while patrolling – they should stay on the ground like in Editor.
Tried:

Kinematic on/off
RVO on/off
Graph rescan on start
No console errors

Why do NPCs stay grounded in Editor but float in standalone build? Any known physics/pathfinding differences between Editor and build?

If I run the game standalone, there are 30-40 NPCs in the air, some on the ground, some in the air. But when I run the game from within the Unity Editor, they're all on the ground.

btw.. there is no character controller attached to. is it a requirement?

everything works perfect and all NPCs are grounded in Unity Editor Play Mode. but in standalone %30 of them are flying..

it moves but it moves on the sky. even its 10kg!


AIs recommends RichAI rather thna AIPath component.
do you have a clue?

(thanks in advance^^)

 

[fables alive]

and finally BTree is like that. everything works as it is if Game Play mode in Unity Editor. but not in Standalone Game Running. NPCs treats like astronauts : )

 

[Justin]

Happy New Year!

This looks like a question for the A* developer - Behavior Designer doesn't control the actual position of the agent. It just sets the destination and then leaves it to the underlying pathfinding implementation.

 

[fables alive]

I'm pretty new to this stuff,but this feels like a super classic issue that others must have run into before. I have no idea why there isn't a solution shared anywhere or why I couldn't find one, but after trying every possible combination nonstop from 7 amto 1 am the next morning (17 straight hours), and then testing it over and over again after I finally figured it out, I'm happy to share the fix with everyone else.

This literally cost me an entire day glued to my chair, so I hope it saves someone else from wasting theirs.

The solution is : Animator > Apply Root Motion : must be unchecked (OFF)

tested again and again and again if I'm wrong. but not.


After that, all NPCs move and behave completely naturally, just like they should.