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OpenGL 2D Book


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#1 Jacob Jingle   Members   -  Reputation: 223

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Posted 29 November 2012 - 09:11 AM

Anyone have a good recommandation for an OpenGL book for learning 2d graphics? (C++/Windows/OpenGL 4.3 preferred)

Thx ahead of time,
JJ

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#2 ifthen   Members   -  Reputation: 820

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Posted 29 November 2012 - 02:11 PM

OpenGL is a 3D graphics library. The only way to make OpenGL "2D" is to set up ortographic projection, but there is no functionality to deal with 2D rendering techniques like sprites or tiles. You would need to code all of that yourself, which is a super overkill.

Use SDL (OpenGL windowing library that has, among other extending functionality, support for 2D rendering) or DirectDraw (Windows only).

Edited by ifthen, 29 November 2012 - 02:13 PM.


#3 Servant of the Lord   Crossbones+   -  Reputation: 20365

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Posted 29 November 2012 - 02:22 PM

SFML uses OpenGL under the hood. SFML is much better suited for 2D graphics.

However, if you are insistent upon using OpenGL, I still recommend downloading SFML since it is open source (and has very simple, straight-forward, clean code), and see how they do it.
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#4 Jacob Jingle   Members   -  Reputation: 223

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Posted 30 November 2012 - 01:30 AM

OpenGL is a 3D graphics library

I understand this. I'm looking for a book that is geared towards using it to do 2D graphics.

Use SDL/SFML

I've actually been making simple 2D games and stuff with straight OpenGL. I just want a book that gives me more insight into what I've been doing.

#5 J. Evola's Apprentice   Members   -  Reputation: 307

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Posted 30 November 2012 - 04:59 AM

2D is just a special case of 3D. What's the problem? If you know how to display transformed, flat, textured quads with blending and alpha-testing, you know everything about 2D in OpenGL.

Edited by J. Evola's Apprentice, 30 November 2012 - 05:01 AM.





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