Subject:
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Re: BrickDraw3D 0.2 released
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Newsgroups:
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lugnet.cad.dev
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Date:
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Tue, 3 Jul 2001 16:06:41 GMT
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Viewed:
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487 times
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In lugnet.cad.dev, Steve Bliss writes:
> The real problem is knowing *when* to make the sound. Erik's done some cool
> stuff (last time I saw a demo of BrickDraw3D[1]), but I don't know if he's
> able to answer the question "did my brick just connect to another brick?"
> Steve
Tough question. No, not fully able to detect that. What the program does
know is the brick rests on top of another bounding box. For bricks, that's
usually a connection. Bounding boxes ignore studs, actually any DAT file
named stud*.dat is considered to be no obstacle.
I'm planning to identify where parts have connection points. Studs are easy,
pegs and axle holes not so hard, because the primitives are named and you
can detect that. Places where studs go in are tough to identify. You're
wanting to find gaps. You can use clues, like, look for them at evenly
spaced locations, inside tubes of the proper radius and around those tubes, etc.
About all I can hope to do now is identify that a stud exists, and that it
went inside the part above it.
Long term, I'd be thrilled to come up with a database of known part
connections, generated mostly by computer. (Remember Rene showing us some
bizarre connections? There's always one more you didn't notice.)
> 1) Is there a BrickDraw2D?
Maybe BrickDraw2D is the printing tool's code name. The secret working
name for it all is BrickPlant (the source code reveals this) which is
another inside Mac joke.
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Message has 1 Reply:
 | | Re: BrickDraw3D 0.2 released
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| (...) You've also got stud3 and stud4 placements to go by (sometimes). stud3 is the skinny stud used under 1x bricks and plates. stud4 is the tube. (...) I don't remember anything about that. ;) Did he mention the minifig legs to bicycle connection? (...) (23 years ago, 3-Jul-01, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: BrickDraw3D 0.2 released
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| (...) The clicking isn't a bad idea. It wouldn't be hard to provide an option to turn it off. The real problem is knowing *when* to make the sound. Erik's done some cool stuff (last time I saw a demo of BrickDraw3D[1]), but I don't know if he's able (...) (23 years ago, 3-Jul-01, to lugnet.cad.dev)
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