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Fixed in Unity 2018.3

Votes

0

Found in

2017.2.2p2

Issue ID

1025263

Regression

Yes

Physics layers still interact when unchecked in collision matrix causing major performance in postBroadPhase

Physics

-

-

Priority: 2Necessary for shipping a final release

-

Severity: 2Core functionality majorly impacted

Steps to reproduce:
1. Download and open the latest attached project(oc link)
2. Enter play mode

Note: GameObjects are set to layers which are set to not collide

Expected result: minimal to no physics impact
Actual result: extreme physics impact

Reproduced on 2017.2.2p3, 2017.3.2f1, 2017.4.1f1, 2018.1.0f1, 2018.2.0b1
Not reproduced on 2017.1.3p3
Regression introduced in 2017.2 with the physics changes

Note: the models in question are made of a lot of small colliders to ensure accuracy of hand collision in the submitter's project

VERIFIED Fixed 2018.3.0a1, 2018.2.3f1

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