To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.cad.devOpen lugnet.cad.dev in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 CAD / Development / 4375
  Re: Some Words To BFC
 
(...) I can't speak for the other programs but if you allow a part to have CCW and CW faces in any OpenGL program, it's going to be slower (but as LeoCAD's library is pre-processed than it won't be a problem). If you have some parts BFC compliant (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
 
  Re: Some Words To BFC
 
(...) As someone pointed out once, it's not a big deal to get all windings the same before passing the data to OpenGL. Just swap the order of the points. For quads, switch points 2 and 4. For triangles, switch points 2 and 3. This could/should be (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
 
  Re: Some Words To BFC  [DAT]
 
(...) I don't mind that because I preprocess the files anyway and anyone who wants to get a good speed increase should do the same. But it's not a good idea to turn on/off BFC several times and in some cases, it's nicer to have the faces reversed. (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
 
  Re: Some Words To BFC
 
On Fri, 7 Apr 2000, Leonardo Zide wrote: [...SNIP...] (...) Actually I think you missunderstood something (or maybe I did), but the 0 INVERSE meta command is to be used ONLY with file references, that is: 0 INVERSE 1 16 x y z a b c d e f g h i (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR