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Old 24 October 2017, 17:40   #1
Nightfox
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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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Old 24 October 2017, 18:49   #2
Steril707
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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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Old 27 October 2017, 19:06   #3
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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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Old 29 October 2017, 23:23   #4
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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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Old 01 November 2017, 22:55   #5
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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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Old 01 November 2017, 23:58   #6
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Nice. Another tutorial. Looking forward to it.
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Old 02 November 2017, 03:34   #7
Nightfox
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Quote:
Originally Posted by Photon View Post
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.
Nice Photon, this would be very much appreciated! Look forward to it
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