On 12/10/2012 08:06 AM, Anders Backman wrote:
Hi all.
Does anyone know about sample code for creating texture coordinates
for a general triangle mesh?
OpenGL can do this when using TexGen, but if I would like to generate
this myself given coordinates, indices (and normals), is there a
library that someone knows about that does this?
I don't know about a library, but the math involved isn't too
difficult. The OpenGL spec gives all of the equations in the "Texture
Coordinate Generation" section (Section 12.1.3 in the most recent spec
for the OpenGL 4.3 compatibility profile).
Indeed, TexGen is even deprecated in the core profile, as you're
expected to do the work in your shaders instead nowadays.
--"J"
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