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Particles start slow then speed up

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Harry Hoag
Particles start slow then speed up
on Jan 10, 2018 at 11:03:50 am

Hi, I want my particles to emit with 0 velocity then speed up in a chosen direction. Something like a velocity fade in or a wind fade in. I guess this is not possible, please prove me wrong!

thanks
H


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Jim Scott
Re: Particles start slow then speed up
on Jan 10, 2018 at 4:53:48 pm

There is no Velocity over Life setting, but with some research and experimentation I discovered the following: You could use Physics Time Factor to modify the affect of gravity and rotate your layer so that gravity aligns with your chosen direction. Keep in mind that you need to keyframe the Physics Time Factor from 1 to 0 initially to create particles, and then up to a higher value to accelerate them with a high gravity setting.

For example:
12064_timegravity.aep.zip

Or something similar using wind:
12065_timewind.aep.zip



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Harry Hoag
Re: Particles start slow then speed up
on Jan 10, 2018 at 6:39:54 pm

YES! That's it thank you for all that! Totally slipped my mind that one, I just need to make gravity go up... it's been one of those jobs


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Jim Scott
Re: Particles start slow then speed up
on Jan 11, 2018 at 12:51:54 am

You are very welcome. Thanks for letting me know that it worked for you.



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