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How do you make Particles Spawn Randomly within an area?

I would like to ask, how to make my particles randomly happen. Like i have rain particles and i want it to happen/spawn randomly.Also i would like to know how i add sound to these particle effects.

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asked Dec 20 '14 at 10:18 PM in Using UE4

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Yugis
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Hey Yugris -

You will want to add an Initial Location Module to your Cascade emitter. In the Initial Location module set the Distribution to Uniform and set the Min values to say -500,-500,-500 and the Max Values to 500,500,500. If you also toggle the b3DDraw to true then you should also see the box drawn by those min and max values in the Cascade Viewport (you will not see it in the level.) Simply adjust the values as you need to in order to get the look you are after. For instance you may not want any Z value and only have you rain spawn within the flat plane generated by the X and Y values.

Thank You

Eric Ketchum

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answered Dec 30 '14 at 05:29 PM

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Lovecraft_K ♦♦ STAFF
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