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thecheeselover

[Answered] Good math library for OpenGL

5 posts in this topic

Hi,

I've been recently searching for a good xna-like math library for C++ preferably OpenGL friendly without any good result. I'm a C# programmer who started to learn C++ two weeks ago, so that's why I don't like C++ libraries mapped from C (I can't stand and I'm not used to dirty code and not object-oriented programming). I found GLM and CML, but it seems like there aren't enough tutorials and documentation.


This is what I absolutely need:

-> 3D Vector class with math functions like the dot product and the cross product. Needs to be able to be transformed by a matrix.
-> 2D Vector class with basic math functions. Needs to be able to be transformed by a matrix.
-> Matrix4x4 (int, float, and/or double) class that with view, orthogonal and perspective projection, rotation, translation and scale functions.


Extra stuff:

-> Basic collision detection (view frustum, AAB, ray...)

Thank you for your help [img]http://public.gamedev.net//public/style_emoticons/default/smile.png[/img]
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[url="http://clb.demon.fi/MathGeoLib/"]MathGeoLib[/url] has all of the things you mention. Also, you can find other math libraries listed [url="http://clb.demon.fi/MathGeoLib/alternatives.html"]here[/url].
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[quote name='thecheeselover' timestamp='1348960351' post='4985182']
Hi,

I've been recently searching for a good xna-like math library for C++ preferably OpenGL friendly without any good result. I'm a C# programmer who started to learn C++ two weeks ago, so that's why I don't like C++ libraries mapped from C (I can't stand and I'm not used to dirty code and not object-oriented programming). I found GLM and CML, but it seems like there aren't enough tutorials and documentation.


This is what I absolutely need:

-> 3D Vector class with math functions like the dot product and the cross product. Needs to be able to be transformed by a matrix.
-> 2D Vector class with basic math functions. Needs to be able to be transformed by a matrix.
-> Matrix4x4 (int, float, and/or double) class that with view, orthogonal and perspective projection, rotation, translation and scale functions.


Extra stuff:

-> Basic collision detection (view frustum, AAB, ray...)

Thank you for your help [img]http://public.gamedev.net//public/style_emoticons/default/smile.png[/img]
[/quote]

Consider the [url="http://bulletphysics.org/wordpress/"]Bullet[/url] library. It has a linear math library that contains all of the math functions you mentioned, and it has direct support for openGL matrices. And since it is a physics library it also provides all of the collision detection you a likely to need :)
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I absolutely love [url="http://eigen.tuxfamily.org/index.php?title=Main_Page"]Eigen[/url]. That said, it's more of a general-purpose linear algebra library than a "graphics math" library. Still, the syntax is hard to beat. Beautiful template magic.
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[quote name='Emergent' timestamp='1349049397' post='4985556']
I absolutely love [url="http://eigen.tuxfamily.org/index.php?title=Main_Page"]Eigen[/url]. That said, it's more of a general-purpose linear algebra library than a "graphics math" library. Still, the syntax is hard to beat. Beautiful template magic.
[/quote]

I can only second the suggestion of Eigen. It's a great library. No projective transforms are included though, but it is easy enough to implement those.
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