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24 October 2017, 16:40
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#1 |
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Registered User
Join Date: Apr 2016
Location: Perth, Australia
Posts: 384
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3D vector graphics
I was wondering if there is a good resource or if anyone was willing to make a tutorial for teaching how to code 3D vector graphics on Amiga? I see lots of 2D stuff but it would be nice to be able to learn how to draw 3D polygons for demos or learn how games like Elite were made. I'd like to at least learn how to make a rotating cube
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24 October 2017, 17:49
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#2 |
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Inviyya Dude!
Join Date: Sep 2016
Location: Amiga Island
Posts: 2,770
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I think the basics of 3D graphics and engines are not something special to the Amiga..
Just read about some basic stuff like vectors, polygons, matrix operations/translations/rotations, and camera views. Next step would simply rendering all this stuff to a buffer and setting your bitplane pointers to that. |
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27 October 2017, 18:06
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#3 |
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Registered User
Join Date: Sep 2008
Location: Germany
Age: 49
Posts: 137
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there are topics on the way to 3D like 'fixed-point arithmetic' which IMHO quite important know how 3D in assembler on a platform like this works
algorithms is one thing how to implement them another |
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29 October 2017, 22:23
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#4 |
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Registered User
Join Date: Jan 2016
Location: Santa Cruz/US
Posts: 48
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I learned how to rotate a cube, see http://eab.abime.net/showthread.php?t=83982. Filling the sides is more complex though. http://eab.abime.net/showthread.php?t=45668 has a lot of good information.
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01 November 2017, 21:55
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#5 |
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Moderator
Join Date: Nov 2004
Location: Eksjö / Sweden
Posts: 5,602
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I covered this in Amiga Future Magazine, I will adapt a version of the vector article for Coppershade which introduces 3D projection of lines and bobs, and then the next article showing culling and filling.
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01 November 2017, 22:58
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#6 |
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Zone Friend
Join Date: Mar 2004
Location: Middle Earth
Age: 40
Posts: 2,127
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Nice. Another tutorial. Looking forward to it.
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02 November 2017, 02:34
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#7 | |
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Registered User
Join Date: Apr 2016
Location: Perth, Australia
Posts: 384
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Quote:
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