 | | Re: Some Words To BFC —Rui Manuel Silva Martins
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| | | (...) This is common to both every approach I have seen, obviously ! (...) Nope! No imediate benefits, because with the parent dependence restrictions, you have to have an entire branch compliant to be able to do BFC, which includes the root,i.e. (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | Re: Some Words To BFC —Michael Lachmann
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| | | | | In lugnet.cad.dev, Rui Manuel Silva Martins writes: <SNIP> (...) until (...) <SNIP> This is not true: Since the renderer has to assume a certain state for his models. The thing (at least in MLCad) works as follows: If BFC is on than the model is (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | | Re: Some Words To BFC —Rui Manuel Silva Martins
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| | | | | | (...) Yes, the correct and safe assumption is CLIPPING DISABLED. (...) This is just a Hack, you assume that a model file is compliant, or by checking its pathname or because it's the root of the branches. But this doesn't even work very wheel, if (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | | | Re: Some Words To BFC —Michael Lachmann
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| | | | | | (...) it. (...) the (...) not (...) checking (...) which (...) (Lines, (...) OK, Slowly ... A model-file always is BFC complient until it gets included and you don't know anything about it. But the root model can do what it likes, it will effect (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | Re: Some Words To BFC —John VanZwieten
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| | | | Rui Martins <Rui.Martins@link.pt> wrote in message news:Pine.GSU.4.10.1...0@is-sv... (...) saying, (...) subfiles (...) those (...) fixed. (...) restrictions, (...) it. (...) until (...) the (...) allows (...) a (...) apply), (...) user. (...) (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | Re: Some Words To BFC —Rui Manuel Silva Martins
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| | | | (...) If you assume (which is correct for lego parts) that every *.dat file you use to define a part, belongs to a whole object (the part) which is a solid object (it should be) then you can say that any of those subfiles can have their faces (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | Re: Some Words To BFC —Steve Bliss
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| | | | (...) In other words, every face in a subfile will have other faces in the part-construction that will form the other side of the solid, right? That sounds correct. (...) There are only a couple of non-symmetrical primitives, but they are used (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | Re: Some Words To BFC —John VanZwieten
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| | | | Steve Bliss <blisses@worldnet.att.net> wrote in message news:v96neskqugbi18b...4ax.com... (...) use to (...) object (it (...) faces (...) choose (...) in some (...) required to (...) the (...) You make a very good point here, Steve (especially (...) (25 years ago, 5-Apr-00, to lugnet.cad.dev)
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| | | | | | Re: Some Words To BFC —Steve Bliss
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| | | | (...) Good point. We definitely *should* muddy this discussion up with some real facts. ;) (...) Yes and no. Something that's easy to do is definitely less of a 'requirement' than something that's a lot of work. But it's still a requirement, placed (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | | | | | Re: Some Words To BFC —Leonardo Zide
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| | | | (...) 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)
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| | | | | | Re: Some Words To BFC —Steve Bliss
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| | | | (...) 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)
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| | | | | | Re: Some Words To BFC —Leonardo Zide
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| | | | (...) 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)
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| | | | | | Re: Some Words To BFC —Rui Manuel Silva Martins
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| | | | 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)
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