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In lugnet.cad.ray, James Reynolds wrote:
> In lugnet.cad.ray, Tore Eriksson wrote:
> > I am still planning to restart the LDA2001 project.
> >
> > See details in http://home.swipnet.se/simlego/ldraw/lda2001/ .
> > I found the latest source cade on a hd with crasched system files but intact
> > file system. :D
> >
> > As you already know, animation is very complicated. The LDA2001 project is
> > thought to make it as easy as possible. You want your minifig to walk, then just
> > select that option and let the software write the code needed. Inspiration comes
> > from visual software programming environments.
> >
> > On my page (see link above), you can find a sample animation with its "source
> > files" made by LDA2001. It is in the archive called d01a.zip. A fully functional
> > but yet clustered with minor bugs version of the .exe is found in LDA2001.zip
> >
> > There are two alternatives when making POV animations from LDraw models. Either
> > you use POV's own internal animation support and write functions that call the
> > clock varible. Using that method, you can make repetive movements that are
> > easily defined by mathematical statements. But if you want a minifig to walk
> > five steps, stop, turn around, and climb into a vehicle, the POV clock method
> > seems very, very complicated to use. At least to me. That's why I have picked
> > the other alternative; make an LDraw model for each frame and batch convert them
> > through L3P.
> >
> > My first step of this restart is to remove the bugs and make it compatible with
> > the new and improved LDraw minifigs.
> >
> > Step two is to use .ldr files for models instead of .dat files.
> >
> > If you find find my project interesting, feel free to explore the resorces in
> > the link.
>
> Tore,
> I think I know what you could do that would meet even my needs.
>
> Here is my idea. Output one pov-ray file. Have it export valid pov-ray format
> using unions, macros, clocks, switches, ranges, etc. Then, with that, it will
> be easy to add things like effects, height fields, etc.
>
> How are you currently outputing the results. One file or many? And are they
> pov-ray format?
>
> By chance, is your app any way portable to Mac or Linux? If it is in an MS-only
> language, is your app too far along that it can't be ported to c/c++ and OpenGL?
>
> Have you thought of ever adding a GUI to do keyframes and dragging of objects?
>
> I'm interested in combining efforts to get something done. Not that my efforts
> amount to much (I barely know c and I don't know OpenGL). But who knows.
>
> James
Thanks for the response.
Just a qiuck reply, got to go back to work... LDA outputs both .dat files for
the indiviual frames but also one master .dat that has references to the
single-frame files, separated by CLEAR and STEP. L3P supports stepclock (-sc),
but not corectly as it does not support CLEAR. I think it should be quite easy
to change if(clock > n) to if(clock == n) or something like that. I don't have
the time to experiment on that this lunch break. Hopefully, next L3P version
will support that, Camera.dat, and LookAt.dat from models. I know he's about to
release a new version and I'm pretty sure I asked the Lars for these features.
I write Windows apps in Delphi (and small DOS apps in a very old Turbo C++
environment). Learning C for Windows would likely be like learning a new
language I guess.
I am not enough skilled to make direct POV output, so my programs will still be
depending on L3P.
I will reply longer later this evening.
/Tore
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Restart of LDA2001 Project (using LDraw models - L3P - POV)
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| (...) Tore, I think I know what you could do that would meet even my needs. Here is my idea. Output one pov-ray file. Have it export valid pov-ray format using unions, macros, clocks, switches, ranges, etc. Then, with that, it will be easy to add (...) (20 years ago, 13-Jan-05, to lugnet.cad.ray, lugnet.animation, lugnet.cad.dev)
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