[Fluxus] render-to-texture progress

[evan.raskob [lists]]

Hi there,

Cool stuff - how do I go about getting it from git?
Sorry, I can find the branch but can't figure out how to download/ 
merge it...

thanks
Evan


On Jan 27, 2009, at 2:34 PM, gabor papp wrote:

> i'm trying to add render-to-texture capabilities of fluxus. i  
> created a
> new branch called fbo-pixels. it's promising, but there are still  
> quite
> a lot of problems with it. example code:
>
> (clear)
>
> (define p (build-pixels 256 256))
>
> (define (animate)
>     (with-state
>         (bind p)
>         (hint-wire)
>         (rotate (vector (* 90 (time)) 0 0))
>         (draw-cube)))
>
> (every-frame (animate))
>
> this renders a rotating wireframe cube in the pixels, that you can use
> later as a texture. the main problem is that there's something like
> lighting or fog on the texture, and i was not able to figure it out  
> yet
> where it is coming from. because of this bug, you have to zoom in  
> to see
> the image rendered by the example code, otherwise only a white  
> rectangle
> is shown. any ideas or help would be appreciated.
>
> the render target is set on state level and checked in the prerender
> method of each primitive.
>
> changes to the camera affects the picture rendered to the texture,
> probably we should reinitialise the camera after each bind state.
>
> best,
> gabor
>