 | | Re: My humble opinion about LDraw animation —danny staple
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| | | It appears from this discussion that methods already exist, its just that they are not particularly easy to use or accessible. Whatever solution we choose, we need to think about usability. I am a developer, and even I dont like having pull things (...) (19 years ago, 25-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | | | | Re: My humble opinion about LDraw animation —James Reynolds
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| | | | (...) Agreed. (...) Ewe!!! I'll just throw in here that doing animations from text files is possible. But it is a nightmare once you want anything slightly complicated. I re-rendered the start and end keyframes in the PCS Dogfight animation so many (...) (19 years ago, 26-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | | | | | Re: My humble opinion about LDraw animation —Steve Bliss
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| | | | (...) If we followed that logic, LDraw would never have existed in the first place. When LDraw started out, there were already plenty of 3D modeling systems. Heck, there were already lego-brick subsets of 3D modeling systems. Yet LDraw does exist, (...) (19 years ago, 26-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | | | | | Re: My humble opinion about LDraw animation —danny staple
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| | | | | (...) In this context - a very simple or basic extension language could be used to add an animation block with keyframe/timecode information. Then, when you need to break out the big guns, you can embed POV code into it for complex techniques. The (...) (19 years ago, 26-Aug-05, to lugnet.cad, lugnet.cad.ray, lugnet.animation)
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| | | | | | Re: My humble opinion about LDraw animation —James Reynolds
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| | | | (...) Get ready for a book... You've started to describe exactly what I want to avoid. 1. Doing something so simplistic would never be able to hold my interest, and I suspect it would not interest anyone else who intended to do anything complex. (...) (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 —Timothy Gould
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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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| | | | | | Re: My humble opinion about LDraw animation —Damien Guichard
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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: LDraw Animation - Why MPD? —Tore Eriksson
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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: LDraw Animation - Why MPD? —Damien Guichard
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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? —Timothy Gould
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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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| | | | | | | | Reply to me —Timothy Gould
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| | | | | | | (...) Follow up set to .off-topic.geek (19 years ago, 28-Aug-05, to lugnet.off-topic.geek)
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| | | | | | | | Re: LDraw Animation - Why MPD? —Damien Guichard
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| | | | | | (...) (* off-topic discussion *) Design and implementation are not as independant as i wish. As part of the design requirements, i pointed moves should be functions and be as composable as functions are. Practically that means the language must (...) (19 years ago, 29-Aug-05, to lugnet.cad.dev)
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| | | | | | | | Re: LDraw Animation - Why MPD? —Timothy Gould
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| | | | | | | (...) Hi Damien, The correct place for your response would be .off-topic.geek which is where I set the follow up to in the response post. I thought you were proposing to write a scripting language, but now I suspect you mean that people should use (...) (19 years ago, 29-Aug-05, to lugnet.off-topic.geek)
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| | | | | | | | Re: LDraw Animation - Why MPD? —James Reynolds
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| | | | | | | Why not develop something abstract. If you come up with a way to notate an animation in any langauge, perhaps it will catch on. James (...) (19 years ago, 30-Aug-05, to lugnet.cad.dev)
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| | | | | | | | | Re: LDraw Animation - Why MPD? —Erik Olson
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| | | | | | | | I wonder if anyone remembers the 80s game "Story Machine" from Spinnaker Software (publishers of "Face Maker" and other silly products.) This program acted out the sentences you typed in. It was a kind of self-illustrating text adventure. For (...) (19 years ago, 30-Aug-05, to lugnet.cad.dev)
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| | | | | | | | Re: LDraw Animation - Why MPD? —danny staple
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| | | | | | (...) I think you may need to explain you choices further. Python supports variable numbers of function arguments, as does Perl. In Python it is relatively easy to check the types of the arguments, and implement overloading and type checking inside (...) (19 years ago, 30-Aug-05, to lugnet.cad.dev)
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| | | | | | | | Re: LDraw Animation - Why MPD? —Damien Guichard
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| | | | | | (...) (* off-topic discussion *) To create a matrix the OCaml code is: let x = Array.make_matrix nrow ncol 0.0 I acknowledge: * OCaml is not widely used * even more esoteric than Perl would be a complete turn off * popular is not a word I would (...) (19 years ago, 1-Sep-05, to lugnet.cad.dev)
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| | | | | | Re: My humble opinion about LDraw animation —danny staple
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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: My humble opinion about LDraw animation —Timothy Gould
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| | | | | (...) ALthough I have no experience in this area, I have to completely agree with you here. If I wanted to make an animated film, the last thing I would want to do is script the whole thing. Maybe it was fine for games designers in days of CGA and (...) (19 years ago, 29-Aug-05, to lugnet.off-topic.geek)
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| | | | | | | Re: My humble opinion about LDraw animation —Tore Eriksson
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| | | | | | I may very well abandon my LDraw based LDA2001 project when I... * see something that really works, and when I... * understand enough of it to make my own animations from it. (19 years ago, 29-Aug-05, to lugnet.off-topic.geek)
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| | | | | | Re: My humble opinion about LDraw animation —Damien Guichard
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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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| | | | | | Re: My humble opinion about LDraw animation —James Reynolds
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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 —danny staple
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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 —James Reynolds
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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 —danny staple
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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 —James Reynolds
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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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| | | | 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 —James Reynolds
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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 —Damien Guichard
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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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