Weird thing happening with instace variables/Z index?

Hello!

I'm trying to create a poison (fart) cloud that damages enemies every 0,6 seconds and it should affect a group of enemies at the same time.

The thing is, it almost always leaves one enemy unaffected (from a group of any number of enemies) and it's always the one that as 0 / X as Z index. (I don't know what that could mean).

Sometimes -although veeeery rarely- the cloud affects everyone. I've tried shooting from every angle but it doesn't seem to change anything.

Here's a video showing the issue:

i.gyazo.com/3a8a874e63021a47ebff3f3796607c02.mp4

and here's a capture of my events:

Do you have any idea what could it be?

That's pretty weird. Can you open the debug preview and see what's going on with the unaffected enemy? Check out it's timer variable, beingPoisoned variable, etc

— When it's touched by the poison cloud, it triggers one tick and then it stops. The bool (beingPoisoned) is TRUE but the timer is at 0.

Once that enemy suffers 1 tick and stops being affected, as long as he is overlapping a cloud (new or old), it stays unaffected. If I wait until he's no longer in touch with any cloud and poison him again, then it works.

It's just so weird...

The code is a little wild anyway in one loop and with a trigger once present, that's why bugs happen. I would set them to poisoned on cloud overlap and then bring out the other logic into separate events. When poisoned have each enemy start their own timer.

—You were right on the trigger once event! I removed it and that fixed it.

In my head it made sense because I thought, if poisonTimer hits 0, then it'd subtract 1 from HP every tick while it's 0. But I just realized it instatly changes its value in that same event.

Thank you!