Drew Carrymore May 7 @ 6:04pm
How do i make a particle system fade over its lifetime?
I have a fire particle that i want to begin bright and slowly fade out over 5 seconds or so. Is there a way to do this? I don't think i can do it with Alpha Fade Out Simple because that operates on a per aprticle basis, making each individual sprite fade out over its 0.5 second lifetime, whereas i want to make the particles at the start of the system's lifetime to be bright and the ones towards the end to be faint.
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ClintonM0 | C: May 8 @ 12:51am 
I'm really not sure on how to do this, but it seems to be possible on the particle editor. Instead, I use an altername method that involves rendering the video multiple times, each time with different hidden particle effects. Then I use a video editing software (Vegas Pro 12 here) to fade in and out of the different clips.
raptornx01 May 8 @ 9:23am 
you can edit it in the particle editor. the particle should have an operator called alpha fade and decay. with 4 properties to look out for.

Start fade in time
end fade in time

Start fade out time
end fade out time.

adjust those to get the look you want. but remember, unlike some other options, the setting for that operator are set up so 0 is the start of the particle and 1 is the finish. so like say, you want it to start fading out half way through it's life. so you set the start fade out time to .5.
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Date Posted: May 7 @ 6:04pm
Posts: 2