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Particle system ignoring "Alpha over life" for some reason. Should be simple right?

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Product Version: UE 4.8
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asked Feb 13 '16 at 10:08 PM in Rendering

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swiss_cheese9797
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avatar image armadillo_mole Apr 08 '19 at 01:07 PM

Your node setup made me realize I had forgotten to connect the alpha channel from my particle in my material output. No wonder my alpha curve was being completely ignored...

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The horizontal value of the alpha over life curve needs to be 0-1. So if the lifetime of the particle is 5 seconds, 0 = birth, and 1= death (that occurs after 5 seconds) besides that, you are emitting over 600 of those particles on the same location, so by the time one is faded out, another 599 are fading in or fading out as well. which is why you might not see the result you want.

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answered Feb 17 '16 at 12:24 AM

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Luos
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avatar image managame Jan 16 '18 at 09:36 AM

thanks!!!!

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