Re: [Plib-users] PLIB vs OpenGL axes

[Ed J. <ed....@or...>]

Righty-ho.

I've found the answers, from like 3 years ago, via geocrawler. Splendid.

I don't suppose there's any chance of, in some future version, having 
#ifdef's to compile the libraries in either Z_IS_UP or Y_IS_UP modes?

Or, would anyone like to suggest what I'd need to hack to make myself a 
custom version of the library that did this? I'm thinking, anything that 
uses _ssgOpenGLAxisSwapMatrix would be a good place to start, and making 
an unrotated camera point down negative-Z. Presumably some of the 
loaders will need changing too?

Cheers,
Ed.


Ed Jones wrote:

> OK, so this is obviously a dopey newbie Plib 101 question but;
>
> What's the relationship between the axes that Plib uses and those of 
> OpenGL?
>
> I'm used to OpenGL having X going left-right, Y going up-down and Z 
> going in-out. This doesn't seem to be what Plib does, so why the 
> difference; "Since SG is designed to work with OpenGL"? (from the docs)
>
> Cheers,
> Ed.
>
> P.S. I'm new to Plib, and this list, so be gentle with me!
>
>
>
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