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Author
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Topic: Help me! 3D issues...
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Sv
Pilot
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posted 02-27- 09:09 AM
   
Work continues on my FokkerDVIII.I have bad news though: I have two ugly 3D bugs. 1) I see more small clear seams than ever before - I don't know why  In areas where plygons should match, you see some dotted lines. The vertecies at each end of the seam are indeed snapped together and merged, does anyone know how to fix these seams? 2) This one sucks Something is wacked with my whole plane!!! polygons are disappearing at the wrong time. For example, there is a poly on the leading edge of my wing. It looks like part of the wing, and in Ac3d is looks perfect. Now it looks good ALL the time in OPS - from any angle. BUT, from SDOE it looks good from certain angels, but disapears at strange times - gone! Also polys seem to do this together, meaning that as you rotate your view polys in certain areas start to disapear one at a time as your view angle changes. I am so stumped I will post my FokkerDVIII Version 1 this afternoon - if anyone finds out what is wrong, PLEASE let me know  Thanks for any help! ------------------
-Sv =FC=
WWI in SDOE!
IP: Logged |
JT
Pilot
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posted 02-27- 10:13 AM
I think I know why this is happening. This might be totally wrong, but here goes...
I think this happens if you have one vert or more which is way out of plane with the rest of the polygon. SDOE does not draw faces when they are pointing away from the viewer. If you have quads or n-gons with verts that are way out of plane, I think this confuses the renderer and causes it to drop the poly out earlier. You can probably solve this by trianglulating polygons in problem areas.IP: Logged |
Sv
Pilot
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posted 02-27- 12:10 PM
Thanks JT! That makes perfect sense! I bet that does.. will report back...-Sv IP: Logged |
Zoycite
JAG
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posted 02-27- 12:17 PM
Heya,This probably isnt it but, I have had the same thing (well kinda) happen to me. Looked fine in Ac3d and OPS, but in the game it did not. It turned out that i had a texture flag set to transparent. Caused the same effect you are talking about. At first it was difficult to see that, due the main texture for the object was correct, the offending texture was only a small peice of the whole model. Anyhow changed that 4 to a 2 and all was well. ------------------
Zoycite {GS}
GUNSLINGERS  visit The War Paint Factory IP: Logged |
Michael
Pilot
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posted 02-27- 01:49 PM
My experience is the same as JT's. Polys that are significantly out of a single plane will tend to disappear when viewed at an acute angle. Triangulating the offending polys works for me.IP: Logged |
Sv
Pilot
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posted 02-27- 03:34 PM
Ok, thanks to you guys I fixed it!It was non-planer polys -they looked almost planer to me.. Also I fixed most of th seams - it turns out that some sneaky verts were avoiding my snapping them together... they won't get away with that one again! I really did try so carefully to keep them together, but I just missed some... Thanks again for the help! I'd be stuck forever without this forum. -Sv IP: Logged |
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