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Thread: A good opengl + C tutorial? (not C++)

  1. #1
    Join Date
    Nov 2011
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    A good opengl + C tutorial? (not C++)

    Hello, I have been searching for good modern opengl + C tutorials with google. Everything seems to involve C++ somehow. I do not want to learn a new programming language to do something that should be possible with C. I've tried to read many opengl + C++ tutorials and adapt them to C, but the problem comes when I need to do transformations. Then many tutorials link to GLM and force to switch to C++.

    I know i could just make the file from .c to .cpp but I think it's kind of stupid to write programs in C and then get some useless overhead from C++.

    So I'm asking if you know a good C + opengl tutorial? (also I'd prefer them with SDL, but it's not necessary since adapting that is easy.)

  2. #2
    Join Date
    Jul 2009
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    Ubuntu 12.04 Precise Pangolin

    Re: A good opengl + C tutorial? (not C++)

    You could try: http://www.lighthouse3d.com/tutorials/

    I don't know if it's really good though.
    ohterwise try to get yourself a copy of the redbook

    http://www.opengl.org/documentation/red_book/

    cheers,

    Maarten
    Windows DOS not compute...

  3. #3
    Join Date
    Nov 2011
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    Re: A good opengl + C tutorial? (not C++)

    That seems to be a very good tutorial. I have seen that site before, I just thought it's C++ only, but a closer inspection made it clear that it's C/C++. Thanks!

  4. #4
    Join Date
    Jan 2008
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    Re: A good opengl + C tutorial? (not C++)

    Quote Originally Posted by SGFzc2U= View Post
    Hello, I have been searching for good modern opengl + C tutorials with google. Everything seems to involve C++ somehow. I do not want to learn a new programming language to do something that should be possible with C. I've tried to read many opengl + C++ tutorials and adapt them to C, but the problem comes when I need to do transformations. Then many tutorials link to GLM and force to switch to C++.
    Even if you don't use C++, you should be able to understand code written in it. Taking the OpenGL calls and incorporating them into a C program would be a good exercise that you understand them. I would rather find good OpenGL tutorials that explain what's going on - even if the language is something you don't know.

    I know i could just make the file from .c to .cpp but I think it's kind of stupid to write programs in C and then get some useless overhead from C++.
    There is no "overhead" of C++ if you do not use C++ features such as virtual functions or exceptions.

  5. #5
    Join Date
    Sep 2009
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    Re: A good opengl + C tutorial? (not C++)

    Quote Originally Posted by Simian Man View Post
    Even if you don't use C++, you should be able to understand code written in it. Taking the OpenGL calls and incorporating them into a C program would be a good exercise that you understand them. I would rather find good OpenGL tutorials that explain what's going on - even if the language is something you don't know.


    There is no "overhead" of C++ if you do not use C++ features such as virtual functions or exceptions.
    Yes and no...
    Generally, C++ compilers do a slightly worse job than C compilers so C code is usually marginally faster... however, we're taking very small differences so effectively they have the same performance.
    http://shootout.alioth.debian.org/u32/cpp.php

  6. #6
    Join Date
    Oct 2010
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    Re: A good opengl + C tutorial? (not C++)

    This is what helped me get my feet wet. It teachings laid the framework for me to build an enterprise level OpenGL server software interface from scratch:

    http://nehe.gamedev.net/

    It has examples in many software languages and for many platforms. Have fun!

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