Need Help With Distance Based Shader :)

[alekpanfilov]

hi all,
i'm making an animation were i need a shader with color value based on distance of object from camera.
i.e. if object is close to camera it's red , in the middle it's pink , far - it's white.

as i know it's possible to make such shader, but i don't know how
can anybody help me , please

[fortner_mike]

maybe you can costumize this one? http://highend3d.com/maya/downloads/shader...hader-1798.html

[kmaylahn]

I think you need to use a sampler info node, I havent done it for a while so cant remember all the in's and outs of it, but have a look online...

can anyone else elaborate?