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Scherub
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Not so nice looking circular UI elements

19 Nov 2015, 17:04

Hi,

I have several circular UI elements in my project which are drawn using ellipses. Now the problem is that the 'geometry resolution' is not high enough so it looks pretty ugly. I can improve it by setting AA to "PPAA" which increases the geometry complexity afaik, but I don't know whether this is a good idea in general.

Is there anything else I can do to make it better looking? :)
 
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jsantos
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Re: Not so nice looking circular UI elements

19 Nov 2015, 17:23

Are you using Medium or High tessellation quality? I have an internal task here to revise that, because in Medium quality the result is not good enough. But in High quality you should get a nice result.
 
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Scherub
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Re: Not so nice looking circular UI elements

19 Nov 2015, 19:11

If you mean the quality setting in the NoesisGuiPanel then this is set to high. And it looks already better than medium but still pretty jaggie compared to PPAA. I've attached a comparison image.
Circular Shapes - MSAA vs PPSA.png
Circular Shapes - MSAA vs PPSA.png (33.86 KiB) Viewed 2282 times
 
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jsantos
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Re: Not so nice looking circular UI elements

19 Nov 2015, 21:03

Yes, it is aliasing. You have the following options:
  • Enable MSAA in your game.
  • If the performance with MSAA is not good we provide a cheap solution, PPAA that slightly alters the geometry but it is very fast giving a quality similar to MSAA in many scenarios.
  • In high DPI devices you can probably go without MSAA nor PPAA.
I recommend you choosing based on the performance and DPI of the device. Or even better, you could give the option to select the quality in your game.
 
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Scherub
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Re: Not so nice looking circular UI elements

23 Nov 2015, 13:33

I think I'll just offer an option for that. I already offer more options than probably most mobile games anyway so it shouldn't make much of a difference anymore. :)

And selecting it based on the device performance (and DPI) is something for after v1.0 is out. I really have to come to an end of the first version now.

Thank you for your suggestions. :)

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