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Size by Speed on Particles has no Effect

I'm having trouble getting size by speed to to work, I have a simple particle system with drag so it slows down over time. I'm expecting the particles to start big and shrink as the speed decreases, however they stay the maximum size the entire time. Is there a step I'm missing to get this to work? Thanks

This is my setup

Product Version: UE 4.10
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size by speed.png (62.4 kB)
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asked Dec 10 '15 at 05:03 AM in Using UE4

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bigdunk15
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I'm not sure, but... I think you should check if the screen alignment (in the required module) is set to Velocity. Take a look to this tutorial, it might help you! https://www.youtube.com/watch?v=7hC_QT4GLiU∈dex=4&list=PLZlv_N0_O1gYDLyB3LVfjYIcbBe8NqR8t

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answered Jan 19 '17 at 12:57 PM

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Mighty Marcos
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