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Question by psychentist · Jul 01, 2011 at 08:46 AM · particleemitterparticle emitterinverse

Inverted Particle Emitter

Okay, so I want to make an ellipsoid particle emitter that spawns the particles at the surface of the ellipsoid and emits them into the center, sort of like a black hole effect or something. Any known methods?

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Answer by Waz · Jul 01, 2011 at 11:38 AM

Set the ellipsoid to near the outer radius, the MinEmitterRange to the inner radius, and the Z tangent velocity to something negative. Then ensure their maxEnergy is small enough that they die before getting to the centre.

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avatar image psychentist · Jul 02, 2011 at 11:41 PM 0
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Awesome! You hit the nail on the head. That's pretty close to what I had going on, but I was using the X,Y, and Z tangents. Thanks a bunch.

avatar image Waz · Jul 03, 2011 at 12:49 AM 0
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There's a picture (I'm just playing with web publishing in Google Docs, seems a pretty effective way to share to this site).

avatar image ATMEthan · Feb 26, 2013 at 10:28 PM 0
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Hey, I realize this question is super old but I need this exact effect. I found this question from http://answers.unity3d.com/questions/296494/how-can-i-create-a-particle-vortex-or-implosion-us.html. And I was wondering if you could explain this a little more. I don't understand how you set up the legacy particle system to get the vortex effect. Any help would be great!!

avatar image ATMEthan · Feb 27, 2013 at 01:59 PM 0
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Nvm, after doing some reading I got it! Sorry for reviving a dead answer.

avatar image Khalanar_Dev · Jul 08, 2014 at 10:22 AM 0
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Hi AT$$anonymous$$Ethan!! Could you please shed me some light on this topic? I'm trying to make this vortex-like behavior for some particle effects but I've been several hours hitting a wall of bricks with my head!! Also sorry for reopening a dead uAnswer :S

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