Re: [Gnu3dkit-dev] OGL 2.0 shading

[Gerard Iglesias]

Philippe C.D. Robert wrote:

> Yes, exactly. Either you use a node transformation to position the 
> matrix and/or use a so called rotator to orientate the cam. 


I agree, it is OK for me

> My idea was to provide a clean MVC concept here, so the camera is the 
> controller which displays the model (=scene) using a view. This is an 
> important difference to the original NeXT 3DKit, where the camera was 
> a subclass of NSView. 


Your point is good...

> But it would be better to me to separate the view functionalities to 
> the frustum ones.

> What do you mean exactly here? Should we again provide a separate 
> G3DFrustum object as in 0.3.x? I removed this separation because it 
> did IMHO not add value to the design but cause communication overhead 
> during rendering (when view-frustum culling). 


The overhead is so critical, What I think about that, is the capability 
for the controller to change the viewing setting from a predefined set, 
and I don't see other things than an object or a C struct (if the 
overhead is critical)



On an other subject, did you see that NVidia is porting Cg to MacOSX (I 
read a post on the mac-opengl maillist)

Regards