Fresnel / Layer Weight effect but for geometric wireframe?

[moony]

Instead of keying off the camera view (which is what fresnel and layer weight do) - you could key off another object (like an empty).

Heat map effect

Hi everyone! So I’ve got an interesting project at work that I’m struggling with. I’ve been trying to create a heat map like effect that would show how a traffic radar might see a vehicle. I came up with the idea to use multiple fresnel effects layered over each other in different colors to show the strength of the reflected radar signals. This seems to work well for the engineers that I’m developing this for but only if you think of the camera as being the radar. What they would like is to be a…