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'Set Actor Tick Enabled' not working after spawning

UPDATE: It works only when called from Begin Play event, but not from other events or functions executed after spawning!

If you try to disable actor ticking by 'Set Actor Tick Enabled' set to FALSE, it doesn't do anything, actors still ticks. You can test it by e.g. printing a strings from its Event Tick.

Also, looks like this bug happened before: https://answers.unrealengine.com/questions/312656/enabledisable-tick-in-blueprints.html

Product Version: UE 4.12
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asked Jul 25 '16 at 11:36 PM in Bug Reports

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avatar image Adam Davis STAFF Jul 26 '16 at 02:06 PM

Hi Slavq,

I attempted this on my end and it seems to be working as intended. What steps can I take to reproduce this on my end in a clean, blank project with no additional content?

avatar image Slavq Jul 26 '16 at 03:11 PM

I've created a simple demo project and attached it here. DEMO PROJECT

The 'TestActor' blueprint is commented to demonstrate the bug.

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Hi Slavq,

The error you are experiencing is because the actor has not been fully initialized when you run the function. Try adding a delay between the spawn and the function, this stopped the tick on my end.

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answered Jul 26 '16 at 05:11 PM

avatar image Slavq Jul 26 '16 at 06:07 PM

Ah, so that's the case! It worked, thank you!

avatar image Ryan Darcey May 18 '17 at 08:11 PM

Dang! This caught me, too. Dirty little gotcha. Had some serious perf implications!

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