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Type: Posts; User: ssallen

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  1. You can probably simplify it a bit. This is in a...

    You can probably simplify it a bit. This is in a different language but it shows a reduced projection matrix setup:



    public function make_perspective_matrix(atom fov, atom aspect, atom near,...
  2. At a cursory glance, it looks like you are...

    At a cursory glance, it looks like you are missing a bind buffer for your color buffer.
    I generally like to set up my buffers like so:



    glEnableVertexAttribArray(CoordinateAttribute);...
  3. I found this set of tutorials as a fantastic...

    I found this set of tutorials as a fantastic starting point when I switched from the old fixed function pipeline.

    http://en.wikibooks.org/wiki/OpenGL_Programming

    Aside from that, cozy up with...
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    ++ How strong are your programming skills in C++?...

    ++ How strong are your programming skills in C++? If you are relatively new then I would suggest starting with something like Allegro and learn 2D game programming. A lot of the game programming...
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    Use 3d picking. Google has a plethora of...

    Use 3d picking. Google has a plethora of tutorials on the subject.

    Thanks,

    Steve A.
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    Thanks for the info Carsten. Does anyone know of...

    Thanks for the info Carsten. Does anyone know of a good place on how to do that using modern opengl? I have been poking around all morning and it seems like everything is using fixed function or a...
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    Billboards - placing text on the screen.

    Ok, so this is going to be a bit long but I have been pulling my hair out over this for weeks. I am trying to place text on the screen using 1 quad (2xtris) for each letter and then referencing a...
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    Hello, your problem is that Opengl blend...

    Hello, your problem is that Opengl blend functions expect the geometry to be ordered from furthest to nearest. That is the front(s) of your box are closest to the camera so they need to be drawn...
  9. Same OpenGl code - three different behaviours on three different machines.

    I have a program that I wrote that is behaving completely differently on all three of my test machines.
    The behaviour is coming from gldrawelements(). On my crappy work laptop (with an Intel...
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