Part disappearing automatically

Bug Reports Studio Bugs
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(Please tell me if I got the wrong category)

Well, I was working on my game and did put an invisible part and CanCollide = false. However, as I tested it, no matter which option, it auto-destroyed
Similar post Parts disappearing in game but not in studio however, in my case it’s a single part, anchored, it’s not an union or a meshpart, CanCollide = False and is transparent.
What makes this even stranger is that it happens only when in studio touches other parts that aren’t the baseplate.
Inside that part I had a script, this is where I noticed it from - but it doesn’t have any destroy or other commands that could interfere with the part.
What makes it even stranger is that It happens only when in studio it touches other parts that aren’t the Baseplate

For now, I already found a workaround, but still, it would be better if this would be fixed

Reproduction steps

  1. Open a Roblox studio plate
  2. Create two parts and Place them parallelo yo each other
  3. In the middle, Place a third part that here in gonna call P that touch both of the other part and the workspace
  4. Make sure P Is transparent and has CanCollide put to false
  5. Now copy P but make It in a position that touch ed only the baseplate, now you have Two examoles
  6. When testing, there Is a chance that the First P touching both parts doesn’t render or does for a few seconds to suddenly disappear

As soon as I’m Able i’ll link a screenshot

Expected behavior

Part not auto-destroying itself

4 Likes
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Yep, I still haven’t found a fix in my case except add another face to the affected part, which worsens performance. Needs to be fixed.

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Hello, thanks for the bug report. Can you provide an rbxl file that reproduces this issue?

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Here is the affected game: Mezka B&T Simulator.rbxl (4.4 MB)
This is a game which is also playable and can be found on my account: Mezka Bus and Tram Simulator

what to do there to reproduce

In the game there will be a Displays folder in the Workspace. Open any folders inside until you find a SensorParts folder. Open them again, and at one point there should be a Nach slawetal with inside some parts. If those parts are touching something that isn´t the baseplate, they´ll disappear

Also, today i´ve also made another game to test to be sure it was a bug and it got worse, now any part which is like what i described

then it disappears, no matter how i put it.
Test place from today: Reproduction game.rbxl (74.5 KB)

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Hi! Thanks for posting the repro.

The issue in the repro is that the P parts aren’t anchored and have CanCollide = false. When you start simulating, those parts fall (since they’re not anchored) and don’t collide with the Baseplate (since CanCollide is disabled). They fall until they reach the FallenPartsDestroyedHeight (default is -500) and are then destroyed.

In your game, the ML and Kindenbr parts are also unanchored and have CanCollide set to false, so they have the same issue. My guess is that you just want to anchor those parts.