Lighting Scenario - Lags on toogle

Development Platform & Builds XR Development
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1

I have a scene with 4 lighting scenarios (BonTon - bath light on toilet light on, ToffBon, TonBoff, ToffBoff).
In a persistence I have all light, and in the lighting scenario I have a few static lights. For example ToffBoff - no have lights, TonBoff - one light. all scenarios are sets initially loaded.

I try 2 methods to get smoothly toogle between it:

  1. load, unload - not logical because they are already loaded. There are delay 1-2 seconds between it.
  2. I setted up “set should be visible”, but it have the same lags.

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Ok, may be load/unload very hard feature for few light, but I don’t understand - why it costs with sublevel visibility of this scenarios?

ps: I use Steam VR (vive).

2

What happens if you do the opposite order? Turn the visibility off before you turn the new one on. That way you wont get a brief moment of two lighting scenarios loaded at the same time which might cause problems.

3

thanks for suggestions , but the same work in this case too Switcher15_Blueprint (339 kb) закачан 24 мая 2017 г. Joxi

problem that they are all already loaded (initially loaded as I said before), and why UE need the same resources for make it visible (a few light) is wonder

4

Sorry I meant “activated/visible” not loaded but that’s unfortunate that it lags. I use this in mobile VR and it works O.K. apart from a flicker when they switch which I can work around…

5

Are you toggling the visibility on Event Tick or are you doing it from a Custom Event?

6

very interesting) in which cases should use event tick for it?
I think I will have a permanent lag in this

7

do you understand that every tick will run this logic?

8

Yeah i was just thinking try the opposite approach to whatever you are doing and see if it is different. maybe setting the visibility on tick will work better because the frame wont get updated until after that’s done instead of … whenever… if you are doing it in a custom event. Or maybe the custom event will work better for you because the game will keep going.

9

Yes - but you could set a bool that is checked on the tick with a branch so that the logic only runs when it is needed.

I’m not saying it’s the best solution… just to try out to see if you get a different result.

10

I’m not execute more than one, there are branches in the left side)

Thank you for answer