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Why is my Skylight not showing/updating up when I choose set new time on my timeline?

I have a day/night cycle Blueprint currently set up using a timeline controlling my sunlight and ambient (Skylight) light. On my timeline "0" is midnight and it is 900 seconds long, making it a 15 minute long day cycle. My lights are all set to movable and I have my skylight set to cast no shadows because I just need it to keep my scene and shadows from being too dark. I have floats and color tracks in the timeline for light intensity and color of each light.

So if I start the timeline from 0 the whole cycle works great and my lights update as necessary. If I choose a new time on the timeline and start from a new time the skylight does not seem to update visually but according to my string being printed it does show the intensity updating correctly.

If I start the timeline out before 190 seconds, which is just before the sunrise then the skylight seems to never put out any light... ever. If I start around 195 then the skylight is putting out light and seems to work...

My whole point for setting a new time is for when a saved game is loaded, the time of day is accurately set for when the game was saved.

Any thoughts?

Product Version: UE 4.8
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asked Nov 25 '15 at 03:40 PM in Blueprint Scripting

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avatar image soTaddel May 17 '17 at 04:17 PM

Same problem here. Is there any fix yet? Do I really have to set the itensity on Begin Play (this is my hotfix)?

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This may not be the best fix but I found that if put a 1 second delay before I send the new time float then it works... May be a timing issue somewhere??? I would like to still leave this open for discussion for an actual solution instead of a band aid.

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answered Nov 25 '15 at 07:54 PM

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avatar image Alwaysusa Sep 29 '17 at 06:40 AM

This worked for me, so thank you. Old question I know :)

I added a delay of 0.1 seconds after the timeline had started, then set the new start time - problem solved. The skylight intensity renders correctly.

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