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Fixed in 2019.3

Votes

0

Found in

2018.3.0b9

2018.4.0f1

2019.1.0a1

2019.2.0a1

2019.3.0a1

Issue ID

1156590

Regression

No

[NavMesh] NavMesh Agent is occasionally blocked by obstacle that has been moved from the NavMesh

AI

-

To reproduce:
1. Open QA attached project "1154946-NavMeshObstacleRepro.zip"
2. While in project, Enter Play mode and press "Toggle obstacle movement" button
3. Look for the agents near the obstacles being stuck moving back and forth (make sure to disable the obstacle movement when behavior is noticed)

Result: agents are unable to proceed to their target, moving back and forth

Reproduced in: 2017.4.27f1, 2018.3.0b9, 2018.3.12f1, 2018.4.1f1, 2019.1.4f1, 2019.2.0b3, 2019.3.0a4

Note1: this usually takes 10-40 seconds to reproduce, dependent on obstacle / agent / grid size set up (check Scene game Object for relevant script)
Note2: agents do not get stuck if obstacles are not toggled to move
Note3: seems to mostly reproduce on the zone near obstacle, however it is possible to get it stuck anywhere

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