Strange effect with a bsp
Blitz3D Forums/Blitz3D Programming/Strange effect with a bsp
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Hi, I've noticed that when i walk through our bsp levels and looking from a specific place and angle we get strange 'ghost' walls. Any idea what may the cause of this? With 'ghost' walls: [img]http://www.interstudio.nl/temp/bsp_artifact1.jpg[/img] Without: [img]http://www.interstudio.nl/temp/bsp_artifact2.jpg[/img] Thanks in advance. Steven |
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You do not need any tags to show an image. Also, I cannot see from the screenshots what the problem is because they are too small. If you mean it completely dissapears then it's probably a bug. |
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Maybe you are too close to the wall. If so, make your CameraRange smaller (if its currently 1,1000 then set it to 0.1,100) OR your collision sphere larger. |
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If you look at (the small) screenshots you'll see that one shows a very large grey polygon in the right in the of the viewport. This is what i call the 'ghost' wall. If i rotate around my axis on that specific place in the level it appears and disappears. It's not something we put into the level geometry. |
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Very mysterious. |
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It looks like part of the level is being hidden when it shouldn't be, this might be a bug with either Blitz or with the BSP file itself. Try removing that thin wall in front, that looks as if it could be confusing matters. |
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I have seen this "effect" or "bug" happen in commercial games. |
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my best guess for the moment is that we make not enough use of detail brushes and a bug in q2map2 (the bsp compiler). On the other hand the 'ghost' walls don't appear when cruising the levels using worldspin... |