On 11/03/13 06:45, Michael Baker wrote:
I'm trying to follow this book on OpenGL: http://www.arcsynthesis.org/gltut/Basics/Tut01%20Following%20the%20Data.html
I'm trying to follow the examples using the OpenGLRaw package as the OpenGL package doesn't map very neatly to any of the examples. For instance, it is not clear to me now to create and use the vertex array used in the example that I linked to.
However, I'm struggling a bit because I haven't used Haskell's foreign interface before. Here is an attempt which is expected to draw a triangle, but instead draws nothing: http://hpaste.org/83837
Does anyone know of a tutorial for OpenGLRaw or the foreign interface that might help me understand how to marshall data around? It seems like many people turn to OpenGLRaw when they're learning OpenGL so that they can follow the tutorials. I imagine it would be useful to have a guide out there that covers how to actually use it.
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I don't think that it's the best idea to learn OpenGL using Haskell simply because of how drastically different C and Haskell are and for the reason you mentioned yourself. Nevertheless, you can find many examples at [1]. You can find things such as the red book examples translated into Haskell as well as links to other resources. [1] - http://www.haskell.org/haskellwiki/Opengl -- Mateusz K.