OpenGL artifacts

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2 comments, last by Ogre722 13 years, 8 months ago
I can't seem to find the cause of this problem I have been having with my Space Invaders clone. With the models of the invaders I am getting weird artifacts that seem to be glitches in the rasterization process. I tested my graphics card (9800gt), commercial games don't get this issue and even other models work fine. The models are simple and were made in Blender. I'd say more but I can't think of anything else that could be causing the problem. I appreciate any comments or suggestions.

Here is a screen shot.
http://i713.photobucket.com/albums/ww140/ogre722/screenshot.jpg?t=1282569595
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You're getting what looks like z fighting. In your case, turning on back face culling should fix it. If not, look at the model and make sure you don't have double sided polygons. If you do delete the polygons you can't see, or never will see.
Try extruding the model more or disable back face culling as suggested. I think your model is probably just too thin and fighting with the front faces.

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Quote:Original post by WhatEver
You're getting what looks like z fighting. In your case, turning on back face culling should fix it. If not, look at the model and make sure you don't have double sided polygons. If you do delete the polygons you can't see, or never will see.


Thank you, I would have never thought of that. after reading your message I took a look at the model, and this is what i found under the front faces:

http://i713.photobucket.com/albums/ww140/ogre722/Untitled.png?t=1282622701


I was garbage left over from creating the model by just duplicating a cube.

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