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Ribbon particles randomly shoot away [SOLVED]

Hello, I am experimenting with particles in UE4 and I have been trying to make a firework. In current form it looks like this

alt text

However, when the system is getting to near its end time, some of the ribbon trails start jumping off to other sparks briefly and then vanishing, making brief random streaks across the view, often after the particles between which it jumps have already disappeared. Below two such streaks are shown. alt text

I have tried tinkering with a lot of different parameters and I still cant get these things to go away entirely. Any help would be much appreciated.

Product Version: UE 4.14
firework.png (219.9 kB)
streak.png (164.5 kB)
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asked Dec 21 '16 at 06:49 PM in Using UE4

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avatar image SethPDA Dec 14 '17 at 02:46 PM

For me it was a totally different thing that solved the problem. Under "Ribbon Data" -> "Tangent Recalculation Every Frame" need to be ticked.

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Ok, after several more days of experimenting I seem to have got it: the emitter for the trail particle needs t obe set to one loop only (instead of the default infinite). That solved it for me.

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answered Dec 27 '16 at 03:18 PM

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