[osg-users] How to use color a mesh object using gradient colors
u.hertlein at sandbox.de
Tue Sep 16 18:57:04 PDT 2008
oren david wrote:
> I've a mesh onject I've build from a .STL file. how do I get it colored
> using a gradient colors?? and how do I specify which color I want in the
> gradient ( I dont want all the range between blue and red).
The STL loader creates a Geometry with per-primitive (triangles) colours and no texture
coordinates (not available in STL).
You could use a fragment shader to assign colours based on world coordinate.
Or use a 1D gradient texture and (probably object-linear) TexGen to create texture
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