Cycling 74 » Topic: vertex position xy control http://cycling74.com/forums/topic/vertex-position-xy-control/feed Tue, 18 Jun 2013 21:29:03 +0000 http://bbpress.org/?v=2.2.4 http://cycling74.com/forums/topic/vertex-position-xy-control/#post-61780 <![CDATA[vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-61780 Tue, 14 Feb 2012 21:11:53 +0000 freeka Hello,

I am not really good when it comes to jit.gl.mesh and co . i tried to find my answer on the forum too but well i still don’t get it.

i am looking to have a texture on a mesh with different vertex that i could move separately in the way of animata does. I don’t particularly need the bones and joints thing. But i need to be able to kind of choose where the vertex are positioned on the mesh before starting the deformation e.g placing the vertex without deforming the texture , triangulate then moving the vertex distort the texture (not sure it is understandable :) i tried with jit.gl nurbs but deformation based on a grid doesn’t fit with my needs ) I have the feeling my explanation are not really clear, so feel free to ask me more information if needed. I also join a picture, maybe it would help…

thanks a lot!

[attachment=185307,3351]

]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223026 <![CDATA[Re: vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223026 Wed, 15 Feb 2012 11:05:53 +0000 freeka seriously?

]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223027 <![CDATA[Re: vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223027 Fri, 17 Feb 2012 20:50:29 +0000 freeka :)

i guess using jit.gl.sketch is the answer but i don’t get it , how can i draw a form with different triangles, map a texture on the general mesh and then distort the texture separately with the different triangles/index/vertex

nobody got a tshirt with “i <3 OPENGL" on the back and "i wanna help you" on the front ?

]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223028 <![CDATA[Re: vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223028 Mon, 12 Mar 2012 01:34:01 +0000 freeka NOWAY!!

]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223029 <![CDATA[Re: vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223029 Mon, 12 Mar 2012 18:58:44 +0000 Rob Ramirez if you want to use texture coordinates to map to a mesh, then there’s no way to move a vertex without also moving the texture, unless you also modify the texture coordinate.

you could possibly utilize projective texture mapping instead using the tex_map attribute.

if you need more help, please provide a patch showing what you tried.

– Pasted Max Patch, click to expand. –
]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223030 <![CDATA[Re: vertex position xy control]]> http://cycling74.com/forums/topic/vertex-position-xy-control/#post-223030 Mon, 12 Mar 2012 23:19:18 +0000 freeka thanks for the reply,
what i try to achieve is pretty much what happen in the manipulator jitter recipe book with jit.gl.nurbs.
Pretty much as, i am trying to place points before deforming the texture without following a grid. pool-3d-nurbs.maxpat is good example as well . i didn’t post any patches cause my experiment as been far from what i want to do. MAJOR FAIL.

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