Why does particle system do not emit particles in the reverse animation order?

Development Cinematics & Media
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1

Hello!

I have a particle system which generates electric beams.

On Event BeginPlay I deactivate it via Level Blueprint.
It must generate beams only when rotor works.

Rotor can rotate CW and CCW.
When it rotates CW I play animation of particle system (via blueprint) which enables emission during 5 seconds and then disable it.
But when it rotates CCW and animation is playing in reverse order (Play Reverse in Level Blueprint) there are no particles at all.

There are no “reverse” particles even in Editor Mode when I just hit Left Arrow in the Sequencer for reverse playback

193276-electric_beam_animation_2.jpg
193276-electric_beam_animation_2.jpg934×336 35.2 KB

Particles are generated only in straightforward direction of animation. Why? How can I fix it?

ps. I set the property of animation to “Keep state” in “When finished” section.

2

So, I did not found a solution how to generate particles when animation is playing backwards.
I solved my problem with two different (straightforward in time) animations: for CW and for CCW rotations of rotor.