Forums > Jitter

strech texCoords


yair reshef
Mar 17 2012 | 9:48 am

i have a texture like
http://i.imgur.com/x0Aov.jpg

i would like to stretch(?) it without affecting its edge coordinates
like so
http://i.imgur.com/e5d8D.jpg


yair reshef
Mar 17 2012 | 10:12 am

close?



-- Pasted Max  Patch, click to expand. --

Ad.
Mar 17 2012 | 10:14 am

Hi,
you should make a mesh feed by a 3 3 matrix to setcell and make any distortions you want, texturize it, et voilà.
here’s a dirty patch, sorry but I think it does what you want.
Ask if any questions.
Ad

-- Pasted Max  Patch, click to expand. --  





 [attachment=188628,3557]


Attachments:
  1. screenshot.png
    screenshot.png

yair reshef
Mar 17 2012 | 10:29 am

i had the feeling i shouldn’t mess with the texcoords but manipulate the mesh matrix instead.
would like to use jit.vexpr to get more precision, but your method is sound. keepin’ it simple

thanks

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