masking4.pd
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Am 09.11.2011 um 14:41 schrieb cyrille henry: > Le 09/11/2011 12:23, Max a écrit : >> thanks cyrille, >> am i getting closer? > yes, a bit. > except that : > - gemframbuffer does not have the same camera position than gemhead. > you need to add translateXYZ 0 0 -4 ah, right. works! but looks terrible. i am wondering why the resolution and edge looks so bad. > - pix_snap snap the curent frambuffer, you don't need to pass the framebuffer > texture. > see attachment. > >> it's ok if it is slow, but i want to use gem objects to make a mask i can >> animate in gem, so there is now way around the snapping if i understand that >> correctly. > it's possible with shader : render 1st scene in a frambuffer > other scene in a 2nd frambuffer. set it to use texunit 1 > then, use something like the example : 10.glsl/5.multitexture, and change a > bit the mixing equation. ok, seems that the answer on anything gem related i try lately is glsl. max > cyrille > >> >> max >> >> >> Am 09.11.2011 um 14:07 schrieb cyrille henry: >> >>> hello, >>> pix_masque need a pix, not a texture. >>> (one is in the CPU, the other in the GPU). >>> you need a pix_snap to pass the texture to a pix object. >>> beware, this is slow. >>> i recommend using a shader to emulate pix_masque, but using 2 texture and >>> not 2 pix. >>> it will be hundred time faster. >>> >>> >>> Cyrille >>> >>> >>> Le 09/11/2011 11:52, Max a écrit : >>>> dear list, >>>> >>>> i'm trying to generate a b/w mask in gemframebuffer for a pix_mask >>>> pix_mask seems to ignore the texture from gemframbuffer. >>>> hints appreciated. >>>> m. >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> [email protected] mailing list >>>> UNSUBSCRIBE and account-management -> >>>> http://lists.puredata.info/listinfo/pd-list >>> >>> _______________________________________________ >>> [email protected] mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >> > <masking3.pd>
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