Re: [Glsdk-devel] Geometry generation

[H. H. <hen...@gm...>]

On Sun, Aug 24, 2008 at 2:21 AM, Branan Riley <br...@gm...> wrote:

> I'm going to start on geometry generation functions. I think sphere,
> cube, cylinder, and cone are good to start with.
>

> I do have a couple questions about how we want to use these, though.
>
> 1) Should they return data in a pre-defined format, so that the user
> has to set up the VBOs to send the data (reinforcing the steps needed
> to get geometry to the GL), or should they handle it automatically (to
> make things simpler for code that's demonstrating shader effects)
>
> 2) What should the prefix be? I'm thinking gls for "OpenGL Shape"
>
> 3) If we want to have it return data, what's a good format for the data?
>
>
I propose a some sort structure or an object which the functions return.

typedef struct GLSshape_s {
  ...
} GLSshape;

void glsCreateSphere (GLSshape *out, GLfloat radius);
...

Members are public so that the caller may directly access them. We could
later extend this library to load .obj files.


>
> Branan
>
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-- 
Henri 'henux' Häkkinen