Hi,
i am using Niagara particle in my game.
I want at gamestart the particle system start at a specific stage where particles alredy exist in scene.
My particle system is spawning background asteroids in my game. At levelstart i want some asteroids already be in scene.
Emitter uses mesh as particle
Tanks.
There are a few ways you can deal with this issue. The first thing to try would be the warm up feature on your system asset which will pre-simulate the system on activation. The settings for this can be accessed in the “System Details” tab which can be opened from the “Windows” menu in the system asset editor. The options to control the pre-simulation are in the “Warmup” section. Something to note is that these options won’t currently work for GPU simulations until 4.23.
If the warm up options don’t work for you, your best option would be to “hide” the simulation by showing a loading screen of some kind when the level loads which will allow your scene to settle a bit.
Works perfectly for me.
By default “System Details” is turned off. So i did not see it.(Was wondering first, what window you mean 
)
Thank you for your fast reply