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I'm trying to create a light effect where I have a wall of lights that will "chase" 1 column after the other.

The thought process is to create an array, then get the ID of the array object I want to light up, add a certain amount of frames in which they are light, then fade out, then the next one, so on. I can do it the long way, by animating the value of the emission, but it would be nice to do it proceduraly.

thx.

Light wall

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You could unwrap with the Project from View option, and in the UV Editor scale down all the UVs with the Individual Origins option on. Give your object a material with a Gradient Texture plugged into a ColorRamp:

enter image description here

Now keyframe the location value of the Mapping node:

enter image description here

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  • $\begingroup$ OMG!! this is amazing!!! exactly what I needed!!! this is a week part of my blender knowledge. Nodes.. Just don't know what to use when.. But this is great!!! $\endgroup$
    – Marc Poirier
    Dec 15, 2022 at 18:27

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