So I finally decided to start learning Niagara, Unreal's relatively new particle system, which meant to fully replace Cascade soon. The learning curve seems to be alright so far, however I find that the available tutorials aren't really pointing you in the right direction, because they usually try to show you advanced stuff, and don't properly cover the essential basics. They mostly talk about how to make custom modules and stuff like that, but in my opinion and experience, thats rarely needed, because even the basic functionality of Niagara can take you very far, and the most of the stuff can be done without any custom extension.
I will be showing my progress in this thread.
Here are the results of two of my experiments with the cool curl noise force, and gpu particles. I went a little crazy with the amount of sprites.
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The performance on the other hand is very good except the gray smoke. The ones with the fire setups runs on more than 120 fps (capped so I'm not sure how much more) on a modern video card. So I'm not sure if they would really needed to be baked down, at least if we are talking about non hand held diveces. But still, it would be a cool idea. You could probably also make lod of particles using this technique.
awesome results already, waiting for more!
Hello @faxcorp . Please see this comment. In short, they aren't as intensive as they seem to be.
Anyway, best of luck to you on your Niagara journey!
eg. rain running down something and then falling freely when the overhang gets too steep ?
I've had a couple of tries and got vaguely close but I got bored and wandered off before i was satisfied
https://twitter.com/Tuatara_VFX/status/1327089504969129984