Moving SpotLight with it's projectionTexture?

[Evgeni_Popov]

It will be easier to help if you are able to setup a repro in the Playground.

Also, did you see this post from @PatrickRyan ?

How to achieve scanning effect

@DWork, here is the demo I worked up for a scan wave effect. There are a few things going on here so let me take some time to point out some of the things to pay attention to with the demo. [image] I set up some parameters, some for simplicity and others for flexibility. The first was that I wanted a fairly complex scene with elevation changes in a mesh to show how the wave runs over the mesh. For simplicity’s sake, this is one mesh made from Blender’s geometry nodes, but the shader is not de…