Union Collision Bug

I am currently experiencing a bug involving unions and part.Touched:Connect() collision detection. I have created a shockwave union using a cylinder and an interior negation part. Collision properties are also on default settings.


Here is some additional information:

  • A few days ago the collision was working like normal
  • I haven’t touched the code or game settings for a few weeks, so nothing has changed
  • Not affected by ping or bad connection
  • I tried using meshes, however it had the same issue

I have tried adjusting the properties of the union, but the problem still occurs. I believe this might be caused by a recent Roblox Studio update as there were a few other issues I experienced in my game, mainly with welds and meshes, which I also didn’t modify for a few weeks.

Here is a video: https://youtu.be/-YYD-UsWLsI

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try changing the CollisionFidelty in the union. the collisions of unions are wonky.

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I tried all the different settings, however I still got the same result (box was the most accurate but it detected collisions inside the ring). Also messed with fluid forces to see if that affected it in any way, but it still had the same issue.

I think the collisions detection is fixed now. I’m not sure if there was a bug and it has been fixed, but it seems to be working again.

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