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Question by RajGamer · Apr 22, 2014 at 11:09 AM · 2d sprites

How to avoid glittering of 2D sprites in 3D view

Hi, I am making a 3D endless runner game. To set up environment i used lot of 3D models. Because of that number of tris and verts increased. To decrease them I am trying to use 2D sprites with billboards. Everything is fine but the sprites are glittering while character is moving. The sprites close to the camera are looking good but the sprites away from the camera are glittering. I want to avoid the glittering effect. Could any one please help me how to solve this problem?

Thaks in advance.

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avatar image Romano · Apr 22, 2014 at 11:52 AM 0
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Hiya, when you say glittering, does it sound like what I'm describing here: http://answers.unity3d.com/questions/639351/2d-sprites-can-i-use-point-filtering-without-getti.html

Could be an issue with orthographic size?

avatar image Romano · Apr 22, 2014 at 11:53 AM 0
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Actually, if switching your sprites from Point to Bilinear filter mode in the inspector improves things, that sounds like exactly what the problem is. Not that switching to bilinear is always a solution...

avatar image RajGamer · Apr 22, 2014 at 02:12 PM 0
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Since I am developing 3D game, I am using perspective projection in camera. I set bilinear filter mode. But the problem is not solved.

avatar image Romano · Apr 22, 2014 at 02:50 PM 0
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Are you able to post a picture of the sprites you are using? I've not used 3D very much but I think the glittering effect might still be caused by the distance of the sprites from the camera and the scale that the sprites are drawn to.

avatar image RajGamer · Apr 22, 2014 at 04:01 PM 0
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Answer by Ludeme Games · Apr 24, 2014 at 09:18 AM

Generally mipmaps should be enabled for drawing textures that can be drawn at a variable distance from the camera (especially far away) to avoid artifacts such as "glittering" - http://en.wikipedia.org/wiki/Mipmap

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avatar image RajGamer · Apr 24, 2014 at 11:24 AM 0
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Thank you very much. Enabling mipmaps solved my 90% of problem. A little bit flickering is there but it is not noticeable. Thank you....

avatar image Ludeme Games · Apr 24, 2014 at 02:44 PM 0
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