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Question by JackKalish · Feb 09, 2014 at 04:13 AM · effectglow

How to apply multiple halo or glow effects to one object?

I'm trying to create an effect like this around a sphere. It should look like rippling waves of green light emanating from the object.

So far I have tried the Halo effect, and the HighlightingSystem asset (https://www.assetstore.unity3d.com/#/content/3813) But both of these allow for only one "layer" of glowing around the object. Any idea how I could go about creating multiple layers of glowing light that could radiate outwards like ripples? Is there some asset available that could do this? Do I need to write my own shader? I am new to Unity, much obliged for any advice! Thanks.

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Answer by supernat · Feb 09, 2014 at 05:45 AM

Off the top of my head, I would probably do this by creating a simple photoshop image with a spherical gradient (or maybe AI would be easier). Add transparency as the sphere gets further from the center. Then add a Quad GameObject positioned same position as your object that is to receive the effect, and make it a billboard. The center of the sphere should be hidden by your object, and the billboard will cause it to always face the camera. From a distance it will look much like a halo. You can then adjust the colors, size of rings in your photoshop/AI as needed.

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avatar image JackKalish · Feb 09, 2014 at 08:41 PM 0
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Good idea, I'll try that, thanks! Now, if I want it to animate outwards, I can do that through code just by changing the scale and opacity over time? Is there any other way built in to Unity to create animations?

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