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  Mobile 3D tutorial  (Read 1558 times)
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Offline monopolyli

Senior Newbie




Java games rock!


« Posted 2005-03-01 16:30:35 »

Could any one can tell me where can I find mobile 3D's source code or tutorial on the Internet?
Thanks a lot
Offline davidaprice

Junior Member





« Reply #1 - Posted 2005-03-02 05:48:45 »

Forum Nokia has a Mobile 3D Graphics tutorial with example source code. It's in the Resources/Documents/Java section. There's also an interesting-looking document called "Guidelines for Exporting M3G Files" - I've not used the API, but that document looks like it would be very useful if I did.
Offline ribot

Junior Member




Ribot - mobile UI specialist


« Reply #2 - Posted 2005-03-02 08:04:40 »

I've scanned over the Nokia document to determine the 3d API - and it seems as though it's mainly scene-graph based - which I'm not too found of.  There is an immediate mode though - would I be correct in thinking that I could use the same methodologies as when I'm designing a JOGL app in immeadiate mode.  Is m3d immediate mode like JOGL but for the mobile?  Are there any other popular 3d Mobile API implementations out at the moment?  I would obviously prefer to use java for the normal reasons, but would appeciate any language as long as I can code in a similar fashion to JOGL.

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Offline kbateman

Junior Newbie




Java games rock!


« Reply #3 - Posted 2005-03-02 15:01:25 »

You could also check out http://www.benhui.net he has an m3g section.

Cheers

Kirk
Offline ribot

Junior Member




Ribot - mobile UI specialist


« Reply #4 - Posted 2005-03-02 15:34:48 »

Thanks for the link kbateman.  I think what I was searching for was JSR 239 - http://www.jcp.org/en/jsr/detail?id=239 - a java binding to native openGL ES calls.  I guess I'll have to stick with JSR184 for now though.  :/

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Offline davidaprice

Junior Member





« Reply #5 - Posted 2005-03-03 04:46:25 »

I was chatting with a succesful professional MIDP game developer last week, and he said that M3G (JSR-184) was preferable to OpenGL ES, as it was more high-level and hence reduced the amount of code in the MIDlet; also there is a significant overhead in each call from Java to native, so you really want to reduce the number of calls if you can. That's also what I hear from Nokia's own 3D guys - there are good reasons why M3G is not just like OpenGL ES.
Offline Matzon

JGO Knight


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« Reply #6 - Posted 2005-03-03 05:49:05 »

Sure - but you are at the mercy of M3G, for better or for worse...

Offline monopolyli

Senior Newbie




Java games rock!


« Reply #7 - Posted 2005-03-06 15:44:07 »

Thanks for all your helps  Smiley!!!~
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