[Fluxus] texture-params issues?

[Dave Griffiths]

On Sun, 2009-03-08 at 23:22 +0000, evan.raskob [lists] wrote:
> Hi guys,
> 
> Trying to get sorted for my performance tomorrow - running into an  
> issue with textures.
> 
> I'm trying to get the texture to shift by rows, without  
> interpolating, but can't seem to set the texture params properly.   
> What I want is each row in the texture image to shift a certain  
> amount, cleanly.  Hard to describe, here's some code to show what I  
> mean, hopefully.  (Also, I'm having a hard time getting the nurbs  
> plane on the screen properly... its geometry/location/scale is  
> different from a standard plane built using (build-plane)?)
> 
> 
> (clear)
> 
> (clear-colour (vector 0 0 0))
> (hint-unlit)
> 
> ;----- load some texture
> (define tex (load-texture "/Users/evan/cvs/tmpflx/fluxus/textures/ 
> tv.png"))
> 
> ;--- set params to nearest - should give pixelization instead of  
> smooth interpolating?
> (texture-params tex (list 'min 'nearest 'mag 'nearest 'wrap-t 'clamp))
> (clear-texture-cache)
> 

The first parameter to (texture-params) is the texture unit, not the
texture id - if you're not doing multitexturing, just set it to 0 -
which is the default texture unit.

cheers,

dave