[PD] [Gem][pix_threshold] (it's about [pix_alpha] in fact)
jack at rybn.org
Mon Jun 7 19:39:04 CEST 2010
Here a patch using GLSL and the frame buffer for feedback.
Hope it helps.
Le lundi 07 juin 2010 à 17:00 +0200, patko a écrit :
> oupse I've mixed [pix_threshold] and [pix_alpha]
> it's about pix_alpha rather but I think you've understood,
> indeed I'd like the particle reveals background image
> the idea is about snaping the particle system over a black rectangle (the mask)
> and then turning the white pixels to alpha for revelating the (purple) rectangle
> that should be rendered first
> i've attached again the same patch but with [gemhead 5] instead of [gemhead 0]
> ----- "Jack" <jack at rybn.org> a écrit :
> > order rendering' because [gemwin 0] <=> [gemwin 50].
> > If I understand, you want to see a background image when the
> > particles
> > are drawn ?
> > ++
> > Jack
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