 | | Re: on Collision, stop Movement
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(...) I'm very sure you're right about using LDRAW geometry. I'm not so sure about LCD. In my opinion, it would be beneficial to think in terms of making individual objects with associated ldr files and properties (20 years ago, 16-Aug-04, to lugnet.cad, FTX)
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| | Re: on Collision, stop Movement
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(...) I hope so. Many of the parts that most need this system to be implemented are probably going to be the most difficuult to implement and the least likely to be included in an initial release. Basic stud connections would benefit from (...) (20 years ago, 16-Aug-04, to lugnet.cad)
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| | Re: Blender LDraw support
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(...) Yes, that is the place. Explorer is probably showing backslashes (\) rather than slashes; you'll have to change those to either \\ or /. A future version of this script will probably try to locate your LDraw directory. So you could change the (...) (20 years ago, 16-Aug-04, to lugnet.cad.dev)
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| | Re: on Collision, stop Movement
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(...) 3D collision detection is conceptually very simple, and isn't even too difficult to actually implement. If you want it to be fast, you can probably even download a free software library to do it for you. But please re-read what I said, because (...) (20 years ago, 16-Aug-04, to lugnet.cad, FTX)
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| | Re: on Collision, stop Movement
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(...) I personally have pretty much kept out of the LCD discussions, and to be honest, I'm pretty sure that all the work that has been done so far on the spec hasn't been done by programmers interested in actually implementing the functionality. (...) (20 years ago, 16-Aug-04, to lugnet.cad)
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| | Re: on Collision, stop Movement
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(...) hundred different means of connecting various parts together, and many of them are not the sort of thing that you'd just look at and think, "Yes, these two parts are intended to connect together like so." Some of them might be accidental (the (...) (20 years ago, 16-Aug-04, to lugnet.cad)
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| | Re: question about people who are doing rapid prototyping of parts...
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(...) Yes, I've been very interested in creating CAD and RP models of "fantasy" LEGO parts (I don't know when this term was coined, but we were using it all over SIGGRAPH for some reason - definition: parts that LEGO does not produce). If you read (...) (20 years ago, 16-Aug-04, to lugnet.cad)
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| | Re: My Big Phat RP Parts
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(...) Thanks, Greg, it means a lot to me that you like them. Now if we could only reach Tom Burger, that would be perfect - I tried to email him using the address on his last LUGNET post, but it bounced back to me. I guess I'll try his website email (...) (20 years ago, 15-Aug-04, to lugnet.cad, lugnet.parts.custom, FTX)
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| | Re: on Collision, stop Movement
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(...) I looked into the LCD discussions. I'm sure it's quite sound. My experience with collision checking emanates from game programming. I teach a class derived from Dr. Mark Overmar's Game Maker software. In it I teach kids how to define bounding (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Re: on Collision, stop Movement
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There's already been a lot of discussion on doing "clickable" building using an additional connection database, and that's certainly doable. Do a search for LCD, or LDraw Connection Database, or see here: (URL) I was saying is that there's no easy (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Re: Post Tutorial on BFC INVERTNEXT
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So, for example, the cylinder primitive by (...) Thanks. Actually, the tutorial is not for me. I'm prepping to expand a Lego CAD summer class I've just completed teaching. I feel that the LDRAW site would be much more accessible to kids than the (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Re: On My L3P Wish List: Support for camera.dat and look_at.dat
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(...) Yeah, this sounds familiar. I searched, but I can't seem to find it. And I can't remember if we asked for dat files, or command line options to include separate POV files for those sections. Either way would probably work. There are differnet (...) (20 years ago, 15-Aug-04, to lugnet.cad.dev)
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| | Re: My Big Phat RP Parts
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In lugnet.cad, Darrell Urbien wrote: <snip> Well, consider me blown away. I never imagined I would see actual pictures of those models but there they were. I love the extra speakers in the scion too! (btw, when i made that model scion wasnt sold in (...) (20 years ago, 15-Aug-04, to lugnet.cad, lugnet.parts.custom, FTX)
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| | On My L3P Wish List: Support for camera.dat and look_at.dat
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At last, I have really discovered light.dat and its opportunities in L3P. It may have been discussed before, but I think it would be really great to have similar support for camera.dat and look_at.dat. Then the user easily and visually can move the (...) (20 years ago, 15-Aug-04, to lugnet.cad.dev)
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| | Re: on Collision, stop Movement
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(...) Center point/axis matching? If you know the center axis of a stud and the center axis of a place where a stud can be inserted, they should be able to "lock" together a lot easier than the side surfaces. Same thing for the center point of a (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Re: on Collision, stop Movement
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(...) In theory, clickable parts can be done without any extra connection information as you suggest. In practice, this becomes extremely difficult, since the placement has to be exact in order for the parts to mesh together. That's easy when you're (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Re: Post Tutorial on BFC INVERTNEXT
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(...) I'm not going to post a tutorial, but the short answer is that it turns the referenced sub-model inside-out. So, for example, the cylinder primitive by default has its walls facing outward (like on a stud). If you put INVERTNEXT before a (...) (20 years ago, 15-Aug-04, to lugnet.cad)
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| | on Collision, stop Movement
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Considering that every part is defined by planes, wouldn't a collision primitive in MLCAD afford us clickable parts? (20 years ago, 15-Aug-04, to lugnet.cad)
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| | Post Tutorial on BFC INVERTNEXT
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I've been going throught the archive to learn about the ins and outs of BFC INVERTNEXT. Would the powers that be please post a logical collage of snippets as documentation on the LDRAW tutorials page? It would really help in a lot of ways. (20 years ago, 14-Aug-04, to lugnet.cad)
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| | Deep Space 9 is hanging in the "sky"!
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Opening channel... Deep Space 9 is hanging in the "sky"! (URL) is now nearly complete and hanging on the ceiling. I am still waiting for 2 small Bricklink orders of a few parts and then the station is finished. You can see more photo's of its (...) (20 years ago, 14-Aug-04, to lugnet.cad.dat.models, lugnet.space)
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