Ben Oukhanov

Hi @assafad, I'm just a stranger volunteered to review this PR. Please resolve my comments and I'll comment `ok-to-test`.

/ok-to-test

/retest-required

/retest-required

/retest-required

I agree with @thomasvt. @MadCowChicken Feel free to see examples how to use `ContactFilter` in related [issue](https://github.com/benukhanov/box2d-netstandard/issues/28#issuecomment-815951185).

Hi @Pastor111, thanks for opening this issue. In my free time (to be honest, I have very little time right now) I'm working on a game project [maple-fighters](https://github.com/benukhanov/maple-fighters) and plan...

> Two tests fail with: ` : &errors.errorString{s:"an empty namespace may not be set when a resource name is provided"}` on storage lane. Might be related to the change. Thank...

@brybacki I sent another commit to fix the error raised by `nogo` that we had, `make cluster-sync` and `make functest` (with some focus) passed locally. I'll work on @ShellyKa13's comment...

/retest