3d Engine
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3d Engine
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KD5YTX


Advanced Member


Joined: 03 Aug 2003
Posts: 306
Posted: 24 Mar 2004 09:25:19 pm    Post subject:
I threw the math to properly display points from a 3 dimensional plane onto the dead-on 3d or 2d screen of a computer/calc in relation to yaw pitch and roll of one set of axes to another, allowing one to plot 3d points and thusly 3d objects (like nifty cubes or actual wireframe models or whatever) into a TI-BASIC prog during math today, and lo and behold it actually worked. It is uber-slow, but is rather nifty as a novelty or to be used not in an action or realtime setting but in a single-time rendering sort of way, and if anyone wants it then reply and I'll either email it to you or post it here.

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The ninjas offer a hearty smile, radiating warmth and cheer!
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Babyboy


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Joined: 11 Jun 2003
Posts: 499
Posted: 24 Mar 2004 09:29:57 pm    Post subject:
i wanna see it!


althie@pinenet.com
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Jedd
1980 Pong World Champion


Elite


Joined: 18 Nov 2003
Posts: 823
Posted: 25 Mar 2004 02:01:38 am    Post subject:
Me too!

Hey KD, think it's about time you changed your avatar back to normal?
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KD5YTX


Advanced Member


Joined: 03 Aug 2003
Posts: 306
Posted: 25 Mar 2004 08:45:18 am    Post subject:
Are you suggesting that the spirit of Christmas cheer is no longer welcome, simply because of the date? Bah humbug! I'll post the 3d stuff soon.

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Ninjas dislike writing research papers.
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Awesome1


Advanced Member


Joined: 28 Jan 2004
Posts: 269
Posted: 25 Mar 2004 05:38:23 pm    Post subject:
Can u e-mail it to me please? awesum1@rochester.rr.com not ti83programming2004, i used that to register incase i got spam...Havn't from here yet. GREAT JOB PEERS!!!
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KD5YTX


Advanced Member


Joined: 03 Aug 2003
Posts: 306
Posted: 25 Mar 2004 11:01:54 pm    Post subject:
http://tigalaxy.com/hosting/anthem/alex/downloads/ThreeD.zip - 54 kilobyte .zip download

I wasn't able to get the TI-BASIC version on the computer because I don't have a serial graphlink, but here's a 3D engine deal I made in QBasic. It reads the .obj files in the objects directory to get its data, so when it asks what file you want it to open just type in "cube" to have it open cube.obj and blah blah blah. It has a readme in it. Enjoy. I'll be making a few basic enhancements soon (so that you can zoom in and out on the z axis, see some proper distance-based foreshortening, and I plan to add a CAD like editor so that the .obj files are easier to make. I don't plan to incorporate texture mapping, lighting, or hidden surface removal in the QBASIC version of this engine, but who knows. If anyone wants to help with the development of this or its calculator port, email or message me).

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Last edited by Guest on 25 Mar 2004 11:02:33 pm; edited 1 time in total
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Ray Kremer


Member


Joined: 16 Feb 2004
Posts: 237
Posted: 26 Mar 2004 01:59:21 am    Post subject:
KD5YTX wrote:
I wasn't able to get the TI-BASIC version on the computer because I don't have a serial graphlink,

Since you specified that you don't have a serial Graph Link cable, does that mean you have a USB Graph Link cable? There shouldn't be any reason you can't copy the program off your calculator onto the computer using TI Connect.
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KD5YTX


Advanced Member


Joined: 03 Aug 2003
Posts: 306
Posted: 26 Mar 2004 08:40:59 am    Post subject:
Oops, what I meant was that I don't have a USB graphlink, and my laptop has no serial ports.

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Alan


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Joined: 12 Jul 2003
Posts: 145
Posted: 26 Mar 2004 09:06:11 am    Post subject:
KD5YTX, check you private message inbox.
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KD5YTX


Advanced Member


Joined: 03 Aug 2003
Posts: 306
Posted: 26 Mar 2004 12:02:19 pm    Post subject:
I did, and I saw no new messages. I updated the 3d engine download to have an orb model now too, and more updates will come soon.

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X1011
10100111001


Active Member


Joined: 14 Nov 2003
Posts: 657
Posted: 26 Mar 2004 06:53:34 pm    Post subject:
I made a 3d engine a couple weeks ago, but it was too slow so i decided to wait untill i learned asm.
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Awesome1


Advanced Member


Joined: 28 Jan 2004
Posts: 269
Posted: 26 Mar 2004 11:01:46 pm    Post subject:
Can you post it? Or e-mail it to me, unless of cource u threw it away. Im just curius on how it's done, even though i'll never use it...
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X1011
10100111001


Active Member


Joined: 14 Nov 2003
Posts: 657
Posted: 27 Mar 2004 02:31:35 pm    Post subject:
Sure, here it is: http://members.lycos.co.uk/oblik0007/DRAW3D.8xg

run AA and put in the list you want to use, I have 2 sample ones in there.
then you can use the arrows to rotate (only left and down work) and use + and - to zoom.

AAA is the program to make your own objects, move with the arrows and DEL and STAT, then press 2nd or enter to put an endpoint of the line.

Last edited by Guest on 27 Mar 2004 02:32:54 pm; edited 1 time in total
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Awesome1


Advanced Member


Joined: 28 Jan 2004
Posts: 269
Posted: 31 Mar 2004 03:56:24 pm    Post subject:
I type in CUBE and it gives me an ERR:DATATYPE
I type in {CUBE and it gives me ERR:INVALID DIM
I type in dim(LCUBE it gives me ERR:DATA TYPE

Can u give me more detailed instructions on how to use it?
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X1011
10100111001


Active Member


Joined: 14 Nov 2003
Posts: 657
Posted: 02 Apr 2004 02:18:40 pm    Post subject:
Yes, press [2nd], LIST, then pick cube, then enter.
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Darth Android
DragonOS Dev Team


Bandwidth Hog


Joined: 31 May 2003
Posts: 2104
Posted: 02 Apr 2004 05:45:21 pm    Post subject:
i have one that is slightly faster than yours, and it comes with 3 predone objects, it includes saving of rotated objects and zooming and changing of how many degrees it rotates each keypress. coming soon!
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