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Question by Wrymnn · Jul 26, 2015 at 04:08 PM · glow

How to get this 2D glow effect?

Hi, how could I achieve similar orange glow effect to this?

https://lh3.googleusercontent.com/-qAKOZbVFmI8/UtEooVJCUTI/AAAAAAAAA8I/WiZ7xi1PR9E/s1600/AsteroidBelts.png

I mean glow that is around the planet, or shaped around the asteroids. You can see it is proceduraly shaped around the asteroids for example.

Nothing comes to my mind right now, any help appreciated!

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Answer by PAHeartBeat · Jul 27, 2015 at 12:14 PM

Hi @Wrymnn

you shoud try particles as child of astriud object and it moves with astroid so your glow also moves astrorid, this one is very easy way but you have to manage z depth issue with camera ppostion.

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avatar image Wrymnn · Jul 27, 2015 at 02:32 PM 0
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Hmm, thank you, I will try that, but Don`t this it will look as smooth as expected. Since particles will have circle shape. $$anonymous$$aybe this thing can be achieved only with shaders....

avatar image PAHeartBeat · Jul 28, 2015 at 04:49 AM 0
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Yah that also a option but for that you need to create shader like create big hoytline and then you need to manuplate color for that.

To create outline via shader you need to extrude mesh via shader. I think you already did it. some time it will take lot presure on GPU if you use it very high number of object, but you can try it, without try we can't came on any conclusion.

avatar image Wrymnn · Jul 28, 2015 at 07:53 PM 0
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Now, I`m not sure shaders will work. At least, I am far, far from level where I could be capable of writing such a shader.

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