| | Re: Matrix math tutorial
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(...) I forgot to mention: keep in mind LDraw uses row-point-coordinates whereas the (otherwise excellent) tutorial uses column-point-coordinates, that means any transformation matrix given in the tutorial has to be "transposed" before being used in (...) (19 years ago, 29-Sep-05, to lugnet.cad.ray, lugnet.animation)
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| | Matrix math tutorial
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Hi all, Occasionnaly people ask help for matrix math, so here are some interesting tutorial links: (URL) Part 1: Vector math tutorial> (URL) 2: Matrix math tutorial> And, of course: (URL) The LDraw matrix format> The 3 documents should be sufficient (...) (19 years ago, 29-Sep-05, to lugnet.cad.ray, lugnet.animation)
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| | LDA2005 (Was: The Minifig Macro - walk that minifig)
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(...) was put on ice. Progress in my todo-list so far: * Support for new minifig parts - Done! * Support for camera.dat and look_at.dat - Done! (Well, see next step...) * Automatic writing a batch file for L3P - In progress. Some strange problem (...) (19 years ago, 27-Sep-05, to lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) IMHO there is no reason why someone can't invent something new. Especially as anything new would be still compatible with LDraw standards (otherwise the author would have to reinvent the wheel, the LDraw library and the existing Lego-Cad tools (...) (19 years ago, 17-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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Ok. So this is exactly the reason I didn't want anyone to invent a new animation scripting language for Legos! It is something new and is in danger of: being a sucky 1.0 release (or worse, never reaching 1.0), and not getting widespread use and so (...) (19 years ago, 17-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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Hi James, whew - this is getting to be a big mail, but I will try and answer in situ... (...) I suppose I consider it part of the concept, so then I, or others can build what I built, although given the original LDraw file, some may be able to work (...) (19 years ago, 15-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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Ok, this post took me a long time to get through... (...) Ah. I've never cared for instructions... I didn't take that into account when I wrote the article... (...) I was only familiar with POV-Ray (well, I'm starting to be familiar with others now (...) (19 years ago, 14-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) I did mean paths as in lines and curves, as I hope became apparent later on. (...) would apply to this technique, is that it may make building steps a little unnatural. Though you might be able to get it to look good in LPub... (...) Yes - a (...) (19 years ago, 5-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) Ok, you lost me. Are you talking about paths as lines and curves or paths as in parent.child.grandchild? Because you mention XML and objects, I'm confused (could mean XPath or OO...). (...) Yes! I talk about overriding default origin here: (...) (19 years ago, 5-Sep-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) First I should apologise if I sounded harsh - I have spent the last few months of my day-job dealing with a nightmare UI built by other coders with absolutely no end-user consultation. So I recognised similar patterns and had already gotten (...) (19 years ago, 30-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) How are keyframes internally structured and saved to disk? Are they arrays, hashes, and how is the interpolation between keyframes usually handled? I haven't had time to research it myself, and I'm not sure I would even be able to find the (...) (19 years ago, 30-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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In lugnet.cad, danny staple <orionrobots@gmail.com> wrote: <snip> (...) <snip> Wow, that really hurts. Especially the last sentence. Thanksfully i know you play role reversal: what you mean is users would immediatly exclude my tool from their choice (...) (19 years ago, 29-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | U2's Numb video done in LEGO
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Didn't see this posted so maybe I am the first. U2's video for the song Numb was re-done in LEGO: (URL) you are not familiar with the original video, it can be found here: (URL) (19 years ago, 29-Aug-05, to lugnet.animation)
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| | City of Heroes movie awards goes to LEGO animation
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Purists be warned, the film makers here definately take several liberties with the brick. However, The best overall film in the contest put on by the wildly successful MMORPG City of Heroes was LEGO animation. Check out the page: (URL) directly (...) (19 years ago, 29-Aug-05, to lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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On 27/08/05, Damien GUICHARD <damien.guichard@wanadoo.fr> wrote: <snip> (...) <snip> First thing I should point out on this thread is that I *do* have experience developing tool for professional animation software, professional CAD software with (...) (19 years ago, 29-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: LDraw Animation - Why MPD?
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(...) ones people are more familiar with. Could you outline any advantages is might have over, say, Perl (which also has inbuilt strings and memory management). Tim (19 years ago, 28-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: LDraw Animation - Why MPD?
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(...) Not really a big deal, i could change my mind if that's too difficult for me to program. (...) It's much worse than a new syntax. A whole new, entirely different programming paradigm to learn. A whole new program semantic. Almost any (...) (19 years ago, 28-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: LDraw Animation - Why MPD?
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(...) What's the Pro with MPD files in this case? My experince is that it makes programming much, much more difficult, and the gain is...(?) In LDA, I inlined all submodels into one model DAT* file for each Frame, and then one Master DAT file that (...) (19 years ago, 27-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) That's also my approach. I have never used any animation system. I don't know what are the best animation concepts. As a programmer i only know what i can eventually do (my skills), what is my preferred approach (my talent) and what i consider (...) (19 years ago, 27-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | Re: My humble opinion about LDraw animation
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(...) That is a good point. Take a look at the .png format. They have made a fully extensible format which covers the simple, and covers the complex. I would suggest that any animation format should be based on an equally extensible format, probably (...) (19 years ago, 27-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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