[PD] transparency in models

Roman Haefeli reduzierer at yahoo.de
Sat Apr 5 13:06:07 CEST 2008

On Sat, 2008-04-05 at 12:47 +0200, niko wrote:
> hi H, list
> in my experience the proper order of objects is

as far as i understand marius, he doesn't have troubles with
implementing transparency in general. the problem is rather, that if you
have a cube for example and you apply a texture with transparency to it,
it works well, but if you rotate the cube around 180°, transparency
doesn't work anymore. or more correct: transparent parts of the plane in
front don't show parts of the plane behind, but of the background (or
whatever was rendered first _and_ is behind the front plane).

sorry, if i repeat myself, but i have troubles finding a better


> gemhead
> I
> pix_image
> I
> alpha 1
> I
> colorRGB
> I
> pix_texture
> I
> model
> you can then play with the last inlet of [colorRGB] to fade in/out 
> geos/models. Correct me if im wrong - [alpha 1] should be before 
> [pix_texture] in the chain to be rendered correctly.
> here are two of my patches using a lot of transparency tricks, hope this 
> helps
> www.njeremic.ecobytes.net/files/vj-live1.zip
> www.njeremic.ecobytes.net/files/baum_pd_patch.zip
> greetings
> n.

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