Fresnel like effect controlled by ramps.

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  04 April 2003
Fresnel like effect controlled by ramps.

I want to control difuse and even color variations of specular based on facing ratio so that one end of a ramp relates to one and the other end relates to zero... in other words I want my ramp assigned to the faceing ratio returned value...
How do I set that up.

I used to do thyis in lightwave but Im a little confused about how to go about it in Maya... do I require layered shaders or does that needlessly complicate the issue?

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